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WO1980000183A1 - Dryer - Google Patents

Dryer Download PDF

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Publication number
WO1980000183A1
WO1980000183A1 PCT/JP1979/000164 JP7900164W WO8000183A1 WO 1980000183 A1 WO1980000183 A1 WO 1980000183A1 JP 7900164 W JP7900164 W JP 7900164W WO 8000183 A1 WO8000183 A1 WO 8000183A1
Authority
WO
WIPO (PCT)
Prior art keywords
air
gas
dryer
exhaust
temperature
Prior art date
Application number
PCT/JP1979/000164
Other languages
French (fr)
Japanese (ja)
Inventor
Y Uji
H Kawata
Original Assignee
Matsushita Electric Works Ltd
Y Uji
H Kawata
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Works Ltd, Y Uji, H Kawata filed Critical Matsushita Electric Works Ltd
Publication of WO1980000183A1 publication Critical patent/WO1980000183A1/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B23/00Heating arrangements
    • F26B23/02Heating arrangements using combustion heating
    • F26B23/022Heating arrangements using combustion heating incinerating volatiles in the dryer exhaust gases, the produced hot gases being wholly, partly or not recycled into the drying enclosure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B13/00Machines and apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement
    • F26B13/10Arrangements for feeding, heating or supporting materials; Controlling movement, tension or position of materials
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects

Definitions

  • the present invention relates to a dryer having an exhaust air treatment function, in particular, an article that evaporates an organic substance during drying, for example, a resin-impregnated base material for a laminated product, that is, a resin resin. It relates to an improved dryer that is used for drying articles such as dryness, and makes it easier and more reliable to dry the room.
  • Dryers have been provided that guide the wastewater to a combustion furnace to burn it and further purify the exhaust air.
  • the provided dryer is susceptible to contamination of the drying object by ash and other pollutants generated during the combustion of the exhaust air, and the interior of the dryer always has a lack of oxygen.
  • problems such as cleaning, inspection, and treatment of the resin vapor inside the room, which could be dangerous.
  • the temperature control method in conventional dryers is based on the provision of a steam heater (heat exchanger) in the air circulation path inside the dryer room to control the amount of steam and the temperature.
  • a steam heater heat exchanger
  • the control system becomes complicated, and the heat exchange rate increases over time due to the attachment of the sky to the steam heater. Drops and This leaves energy efficiency and maintenance issues that require removal work.
  • Another problem is that hot air blown into the drying chamber in conventional dryers is simply performed through a blowout opening directed toward the article to be dried.
  • a flat material to be dried such as a laminated material, which is a material for a laminated product, for example, a resin vapor. Therefore, in conventional dryers, the temperature of the blown-out gas is uniform over the entire surface of the blown-out surface, and therefore, the outlet of the drying temperature is not sure.
  • it left a problem that it was unsuitable for use for the purpose of obtaining a high-quality laminated material without dry mulling.
  • a main object of the present invention is to achieve high thermal efficiency, and to reduce the cost of the dryer itself and the installation space of the dryer. It is about providing a dryer that can be reduced.
  • Another object of the present invention is to improve the responsiveness of the contact hole with respect to temperature or concentration and, as a result, to stabilize the quality performance of the article to be dried. It is about providing a dryer that can be used.
  • Another object of the present invention is to supply safe air to the drying chamber mainly, so that it is safe against oxygen deficiency accident.
  • Another object of the present invention is to provide a dryer in which the heat exchanger used has little change with time and maintenance is easy.
  • the purpose of the pond of the present invention is to provide a dry, dry, and high-quality dry product when drying a flat dry product such as a resin vapor. is there.
  • the exhaust air from the drying room is guided to an exhaust air treatment device for processing, and the heat is exchanged with the high-temperature clean gas from the exhaust air treatment device to produce the fresh air. Let's try to heat the air! ),
  • the heat source of the dryer is made to depend only on the heat source of the exhaust air treatment device described above.
  • the amount of air blown and discharged based on the gas concentration of organic substances in the air is the amount of air blown and discharged based on the gas concentration of organic substances in the air.
  • the dryer is equipped with a hot air outlet and this hot air
  • the air outlet of the air inlet faces the circulation path of the indoor gas generated during the operation of the air suction device, and is arranged long in the width direction.
  • FIG. 1 and FIG. 2 are a simplified side sectional view and a flow explanatory diagram of a dryer configured based on a method for setting the air flow of a dryer according to the present invention.
  • the interior of the dryer body U has 4 rooms 12a,
  • the air blow line to the main body 11 is configured as follows. That is, a finleter I 3 and a suction fan M are provided at the end of the blowing line], and the fresh air taken in from here is the only hot air source .
  • a damper 30 is provided between the filter 13 and the fan 14, and the opening of the damper 30 is automatically adjusted by an automatic control system described later.
  • the amount of air blown to 11 is adjusted.
  • the fan line branches off into two paths after fan 14, one of which is equipped with a heat exchanger 15 and the other is equipped with a damper.
  • the temperature of the hot air sent to 12a, 12b, 12c, and 12d is adjusted accordingly.
  • Main Lee Ndaku DOO I 6 or colleagues the drying chamber 12a and through the four branch pipes, 12b, I2c, the hot air to 12d feed! )
  • Each branch pipe is provided with a dang 32a, 32b, 32c, 32d, respectively, and by these automatic opening control, hot air is supplied to each chamber 12a, 12b, 12c, 12d.
  • the room temperature is adjusted according to the room temperature.
  • the main body 16 is provided with a damper 33 for adjusting the internal pressure.
  • Each of the drying chambers 12a, 12b, 12c, 12d is provided with a pair of upper and lower circulation fans 17, 17, respectively, and the hot air sent into each of the chambers is subjected to these fans 17, 17, The air is circulated in the room by the action of the air, while being uniformly mixed with the hot air in the room and sprayed onto the resin tray 10.
  • the exhaust air of 12a, 12b, 12c, and 12d is collected through the branch pipe to the exhaust main body 1 ⁇ 2.
  • the main body 18 is provided with two suction fans 19 and 20, and a damper 34 s 35 is installed in front of each fan 19 and 20. These dampers 34 and 35 are also controlled by automatic opening control. By these actions, the exhaust air volume of the dryer is adjusted.
  • Main Lee Ndaku DOO 1S is Ru Nodea whose end is connected to the exhaust air processor 21 straight ⁇ expression in developing next leading to this end, the wind exhaust processing device 2 1 and is integrally installed It passes through the heat exchanger 22. In Fig. 1, 2 1 1
  • 212 are supply lines for kerosene and auxiliary air to be supplied to the exhaust air treatment device 21.
  • the exhaust air from the dryer main body 11 is guided into the exhaust air treatment device 21, and the organic substances contained therein are completely burned and purified.
  • a flue gas treatment apparatus may be adopted as the exhaust air treatment apparatus.
  • the high-temperature clean gas discharged from the exhaust gas treatment device 21 is mainly led to the clean gas discharge duct 23 through the heat exchanger 22 and released to the atmosphere. However, separately from the heat exchanger line, the heat is guided to the duct 23 through the branch duct 2 having the automatic control damper 36.
  • the cleaning gas discharge duct 23 is designed to pass through the heat exchanger installed on the blower line, and is thus drawn by the fan 14. Some of the cold air (fresh air) is intended to be heated by heat exchange with clean gas.
  • the damper 36 is opened, and a part of the clean gas from the exhaust treatment device 21 is subjected to heat exchange.
  • branch ducts 25a, 25b, 25c, and 25d connecting the ventilation duct 16 and the drying chambers 12a, 12b, 12c, and 12d are exhaust ducts.
  • the heat is passed along the outer periphery of the main body 18 and then sent to the chambers 12a, 12b, 12c, and 12d.
  • a part of the clean gas is sucked into the suction fan 26, and from the position close to the heat exchanger 22, the inside of the duct 27 that covers one side of the exhaust air duct 18 is duct 18.
  • Purge port with dynamic shutter 281; 29 is automatic shutter
  • the exhaust line is interrupted and the exhaust air is interrupted.
  • Fig. 3 shows how to set the air flow of the dryer described above.
  • Fig. 3 is a block diagram of the air flow control system used for implementation. This
  • the gas concentration is constantly measured.
  • This output is based on a preset ratio.
  • this air flow control system is used to control the gas in each drying room.
  • OMPI WIPO '' The amount of fresh air and exhaust air to be taken into the dryer is adjusted based on the gas concentration. Therefore, according to such an air flow control system, it is possible to control the gas concentration in each drying chamber so that the gas concentration falls within the explosion limit. In addition, in order to stabilize the control of the exhaust gas treatment device and save as much fuel as possible, it is necessary to adjust the gas concentration of organic substances contained in the exhaust gas. According to the air volume control system, it is easy and possible to meet such demands.
  • the gas concentration in each drying room was set to be lower than the set value (specific value within the safety range where the explosion limit was not reached).
  • the maximum value is selected and the air volume is controlled based on this value, but this is not a limitation.
  • When it is necessary to perform the air flow manually instead of using the self-control; .. Switch the normal-manual-time switching switch to the manual side. Off]? Also, since a large air volume is required when the dryer is started, always switch the start-up switch to the start-up side at this time. If an error occurs in the automatic control line, the normal-in-error switching switch automatically switches to the abnormal side. Then, an electric signal is output as the pre-set abnormal condition, and operation control corresponding to the abnormal situation is performed. Since the load on the dryer changes every moment, the above-mentioned abnormal condition is constant regardless of this change.
  • the output of the automatic control line is always input to the setting circuit for abnormal time conditions, so that the condition for abnormal time is always proportional to the output of the automatic control line at that time. I'm doing it.
  • Fig. 4 is a block diagram of the temperature control system. As shown in this figure, the temperatures of the drying chambers 1a, 12b, 12c, and 12d are set in advance in consideration of the loads and the like. On the other hand, the temperature in each drying room is constantly measured by a temperature sensor. Then, based on the comparison between the set value and the measured value, the input for controlling the degree of opening of the dampers 32a, 32b, 32c, and 32d at the inlet of each drying chamber is adjusted. I have.
  • the highest value of the temperature set values of the drying chambers 12a, 12b, 12c, and 12d is selected.
  • the above input is increased or decreased, and the X point is determined based on the comparison between the measured temperature value at points X and ⁇ in Fig. 1 and the input value after the above adjustment.
  • the opening control inputs of the dampers 31 and 36 are adjusted so that the temperature at the point ⁇ maintains the predetermined value.
  • the opening control inputs of the dampers 31 and 36 are also adjusted manually by a manual switch at the time of normal operation.
  • the normal time ⁇ " error switch is automatically switched to the abnormal side.] 3
  • the pre-set abnormal condition is output to the dampers 31 and 36 as an electric signal.
  • the removal efficiency of the conventional deodorizer using the venturi scrubber method was at most about 70%, but according to the present invention, the exhaust air is straightforward.
  • the treatment is almost complete because it is processed by a combustion type or catalytic type processing unit. Further, the present invention is derived from the exhaust air treatment device
  • the exhaust gas is also heated by the exhaust gas.
  • the energy cost is greatly reduced.
  • fresh air is heated by heat exchange with high-temperature cleaning gas.
  • the present invention As a result, the temperature of hot air can be significantly increased as compared with conventional steam heating. Therefore, according to the present invention, dry speed-up is possible. Also, as described above, the present invention
  • the heating of fresh air is based on heat exchange with clean gas and not on heat exchange with water vapor, but a conventional heat exchanger has a squeeze tube as in the past.
  • Heat exchange rate is based on heat exchange with clean gas and not on heat exchange with water vapor, but a conventional heat exchanger has a squeeze tube as in the past.
  • the temperature is controlled by controlling the air volume.
  • the present invention uses only fresh air as a hot air source.
  • the temperature control method of the dryer of the present invention is such that the temperature of each drying chamber is adjusted by increasing or decreasing the amount of hot air blown, the apparatus is simplified! ?
  • the temperature control by increasing or decreasing the air flow has the advantage of extremely high control responsiveness and high accuracy.
  • FIG. 5 and Fig. 6 show the first example.
  • a pair of upper and lower gas suction and blow-off devices 1 and 41 are provided in the drying chamber 40 indicated by a dashed line and opposed to each other.
  • This device 1 is configured as follows. That is, a large number (but only two are shown in the figure for convenience of drawing) of gas blowing nozzles ⁇ 3... are provided on the opposite surface of the horizontally installed box 42. It is.
  • the box 42 has an article to be dried passing through the drying chamber 40, that is, a width wider than the width of the resin vapor 60.
  • Each of the knurls 43 has a rectangular side cross section, and is elongated in the width direction of the resin vapor 60.
  • each of the nozzles 43 communicates with the inside of the box 42.
  • a fan box 5 containing two suction fans 44 and 4 is mounted on the rear opposite surface of the box 2.
  • the inside of the fan box 45 communicates with the inside of the box 42.
  • a fanlettor 46 is applied to the front opening (suction port) of the fan box 45 having the width.
  • Chamber 40 is two upper and lower hot air blown out les for ducts 48, 48 protrude horizontally ⁇ Ru.
  • the hot-air outlets 49 , 49 of the hot-air blowing ducts 48, 48 extend long in the width direction of the circulation of the indoor gas, particularly the operation of the gas suction and blow-out device 41, which occurs. It is formed in the form of a 'slit-like' ..] and faces two fan boxes, the corresponding front opening of 45 (suction port). I have. That is, the outlets 49 , 49 of the hot air respectively face two gas circulation paths generated in the room.
  • Duct 48 is designed to be narrower as it goes to the tip so that the amount of hot air blown out is uniform throughout the length of the outlet. You.
  • 4 7b in the drawing is a duct for exhaust air.
  • the room gas is moving in the direction of
  • the present invention relates to a dryer configured to circulate in parallel with the air, but as described below, the present invention relates to a dryer in which the indoor gas flows in a direction orthogonal to the traveling direction of the resin vapor 60 as described below. Dryers configured to circulate may also be implemented.
  • each device 51 is provided with a box 52 having a large number (but only four pieces are shown in the figure) of gas blowing nozzles 3 that are opposed to each other is provided.
  • a box 52 having a large number (but only four pieces are shown in the figure) of gas blowing nozzles 3 that are opposed to each other is provided.
  • FIG. 51 As shown in FIGS. 5 and 6, a suction port is not provided so as to fully extend in the width direction of the reg- isne 60 ", and the box K is not provided.
  • the circular hole 54 formed in the center is the suction port, and the indoor gas is sucked in by the action of the suction fan 55 installed here. Since the gas is blown out, when the gas suction and blow-out device 51 operates, as shown by a broken line in the figure, the gas blown out from the nozzles 53... After hitting the vapor 60, it goes around the left and right sides of the drying chamber 50 and is sucked into the circular hole 54. Therefore, the traveling direction of the resin vapor 60 is set in the room. This means that there are four gas circulation paths that circulate in the orthogonal direction, up, down, left and right.
  • two ducts 56 a and 56 a for guiding hot air into the drying chamber 60 are respectively
  • the ducts are branched into two hot air blow-out ducts 57, 57 arranged along the left and right sides of the box 52.
  • the hot-air outlet 58 of each hot-air outlet duct 57 is opened outward and extends in the width direction of the indoor gas circulation path shown by the broken line in the figure. It is configured to be Thus, also in this dryer, the outlets 58 of each hot air are provided so as to face the respective circulation paths.
  • Duct 57 is designed to be narrower toward the tip so that the amount of hot air blowout is uniform throughout the length of the outlet. I have.
  • 56b is an exhaust duct.
  • the indoor gas circulates in the drying chamber in a wide state (usually about 1 to 2 m in width), and when hot air is supplied to the spot, the gas A high-temperature gas mixed with the supply hot air and a low-temperature gas not mixed are sucked into the suction blow-out device.
  • this temperature difference is eliminated during the passage of room gas through the gas suction and blow-out device, it eventually blows out to dry articles such as resin vapor. Gases with different temperatures are blown at different locations. Therefore, it is extremely difficult to control the drying temperature, and the quality of the dried product may be deteriorated.
  • the outlet of the hot air faces the circulation path of the indoor gas, and As shown by the solid arrows in the figure, the hot air blows out uniformly over the entire width of the circulating gas, as shown by the solid arrow in the figure.Therefore, the circulating gas spreads over the entire width. Hot air is mixed uniformly.
  • the gas sucked into the gas suction and blow-off device has no temperature distribution and is almost always at a constant temperature.
  • the temperature of the gas blown out of this device becomes uniform over the entire range of the blowout surface. Therefore, according to the present invention, it is easy to control the drying temperature, and a high-quality dried product with a high drying mura can be obtained.
  • the outlet of the hot air does not necessarily have to be a single one as in the above-described embodiments, but may be, for example, a number of small ones.
  • the holes may be scattered in the width direction of the circulation path of the indoor gas.
  • the inventors have developed a double duct as shown in FIG. 9 in order to achieve the foregoing.
  • this double duct 71 an inner pipe 72 for passing exhaust air is sheathed by an outer pipe 73, and hot air for warming flows between the inner pipe 72 and the outer pipe 73.
  • the flow passage 74 is formed. Since the double duct 71 has the above-described structure, it has an advantage that it is easy to manufacture and requires a conventional heater winding work.
  • the flow path 74 was used as a flow path for hot air to blow into the dryer.], And as a flow path for high-temperature clean gas released into the atmosphere after exhaust air treatment.
  • the double duct 80 comprises a pipe 81 for passing exhaust air and the like, and flanges attached to both ends thereof. 82, 82, and two outer bodies of a cross-sectional shape that partially cover the upper and lower parts of the tube 81 so as to form two fluid flow paths 83, 83 over the entire length outside the tube 81. 85, 85 and a large number of holes 85 drilled in both flanges 82, 82 so as to open the above-mentioned distribution channels 83, 83 to the outside. is there
  • the double duct 80 Since the double duct 80 according to the present invention is configured as described above, it has a simple structure and does not require a conventional operation of winding a heat retaining heater. and, flow path 8 3, 83 to blow hot air and high temperature of the clean gas to the dryer; because it is a child that is responsible for thermal insulation of the exhaust air I'm in and the child passing the scan, electric bill and steam for heat insulation Needless to say, it has the advantage of not requiring a generation. Further, this double duct 80 is formed by connecting each of the flow passages 83, 83 of the two connected double ducts 80, 80 with holes 85, formed in the respective flanges 82, 82. 85, and the jackets 84, 84 cover the tube 81 over its entire length, so that the entire length of the tube including the flange portion is completely reduced. It is kept warm and covers the entire length of the inner surface of the pipe.
  • the duct has the advantage of not requiring the work of installing the connecting pipe 76 as shown in the double duct 1 in FIG. 9 when connecting ducts.
  • the double duct according to the present invention is a double duct in which the outer jacket partially covers the pipe body as in the above-described embodiment, or a double pipe shape that covers the entire circumference of the pipe body. There is also.
  • the flow path of the heat-retention fluid was set to two.
  • FIG. 1 is a simplified side sectional view of a dryer constructed based on the present invention
  • Fig. 2 is a flow explanatory diagram of the same
  • Fig. 3 is a block diagram of an air flow control system used for carrying out the present invention
  • Fig. 4 is a block diagram of the temperature control system.
  • FIG. 5 is a plan view showing one embodiment of a drying chamber used in the dryer of the present invention
  • FIG. 6 is a partially cutaway side view of the same
  • FIG. 7 is a drying machine used in the dryer of the present invention.
  • FIG. 8 is a plan view of the same as above
  • FIG. 9 is a part of a double duct 'which is compared with a double duct used in the dryer of the present invention.
  • Fig. 10 is a partially cutaway side view of an embodiment of the double duct used in the dryer of the present invention
  • Fig. 11 is an enlarged front view of the same double duct
  • Fig. 12 Figure 10 is an enlarged cross-sectional view taken along the line IV-IV.
  • Figure 13 is Figure 10 is an enlarged view taken along the line V-V.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

A dryer which comprises drying chambers (12a), (12b), (12c), (12d), a heat exchanger (15) for heating fresh air in heat-exchange with a clean gas, a blast line (16) for supplying fresh air into the drying chambers, a blast line (18) for leading exhaust air from the drying chambers to an exhaust air processing device (21), a blast line (23) for venting hot clean gas from the processing device, and control means (30), (34), (35) for controlling the air flow of these lines. Thus, the hot air source for the drying chambers is the fresh air heated in the heat-exchange with the high temperature clean gas. As a result, there is an improvement in the control response of heating chamber temperature and gas concentration, so that the dryer can be applied to articles in which organic substances are evaporated when dried.

Description

,明 細  , Detailed
発明の名称 乾 燥 機 Title of the invention Dryer
技 術 分野 Technical field
こ の発明は、 排風処理機能を有する乾燥機に関 し、 特 に、 乾燥時にお て有機物質を蒸発させる物品、 例えば 樹脂を含浸させた積層品用基材、 即ち レ ジ ン べ ー パな ど の物品の乾燥に用い られ、 乾燥璣室内温度、 濃度のコ ン ト 口 ^" ノレが簡単、 確実に行われる よ う 改善された乾燥機 に関する。  The present invention relates to a dryer having an exhaust air treatment function, in particular, an article that evaporates an organic substance during drying, for example, a resin-impregnated base material for a laminated product, that is, a resin resin. It relates to an improved dryer that is used for drying articles such as dryness, and makes it easier and more reliable to dry the room.
背 景 技-術 Background
従来、 一般的である乾燥機と して 、 気 ヒ ー タ で温 度コ ン ト ロ ノレ さ れた熱風を物品表面に吹き つけて乾燥 を行い、 そして乾燥機か ら出た排風をベ ン チ ユ リ ス ク ラ バに よ つ て清浄にする と い う 方式の も のがあ るが、 この 方式に よ るな らば、 ベ ン チ ユ リ ,ス ク ラ ノ に よ る排風中の 有害物質の完全な る除去が原理的に不''可能である こ と 、 蒸気 ヒ — タ に よ る空気の昇温には哏度カ ぁ つ て乾燥速度 に限界があ !) 、 且つ熱効率が悪 こ と 、 蒸気 ヒ ー タは温 度制御指令への応答性が悪 く 、 従つて乾燥される物品の 品質の安定化が難しい こ と 、 及び、 蒸気ヒ ー タ には ス ケ ノレが付着 しやすいため、 これに伴 う 保全ェ数が必然的 に多 く な る こ と 、 る どの問題点を も つ てお ]9 、 これらの 問題点の解消に現在の と ころ有効な対策が見出されてい な い。  Conventionally, as a general dryer, hot air whose temperature has been controlled by an air heater is blown to the surface of the article to dry it, and the exhaust air from the dryer is applied to the dryer. There is a method of cleaning using a multi-uri scrubber, but according to this method, exhaust by a vent lily and a scurano is performed. It is impossible in principle to completely remove harmful substances in the wind, and there is a limit to the drying speed and the temperature rise of air by a steam heater! ) And poor heat efficiency, the steam heater has poor response to the temperature control command, and therefore it is difficult to stabilize the quality of the articles to be dried. Due to the fact that it easily adheres to the surface, the number of maintenance operations will inevitably increase, and it will have some problems. [9] No effective measures have been found.
そこで、 有害物質の完全な除去を 目指して、 そ を燃焼炉に導いて燃焼させ、 排風を一層清浄にする乾燥 機が提供されている。 しか し乍 ら、 提供されている この 乾燥機は排風の燃焼時に生じる灰な どの汚濁物質によ つ て乾燥 しょ う とする物品が汚染されやすい点、 乾燥機室 内が常に酸欠状態に ¾ つ ているため、 掃除、 点検、 レ ジ ン ベ ーパの室内での切れに対する手当る どの室内作業が 危険と る点等に未解決な問題点を残すも のであ つ た'。 Therefore, with the aim of completely removing harmful substances, Dryers have been provided that guide the wastewater to a combustion furnace to burn it and further purify the exhaust air. However, the provided dryer is susceptible to contamination of the drying object by ash and other pollutants generated during the combustion of the exhaust air, and the interior of the dryer always has a lack of oxygen. As a result, there are unsolved problems such as cleaning, inspection, and treatment of the resin vapor inside the room, which could be dangerous.
ま た、 他の問題点と して、 従来一般の乾燥機にあ っ て は、 それに適用する送排風の風量はあ らか じめ設定した 一定値を制御するのが常であるため、 時々刻々微妙に変 化する乾燥負荷の状況に対応する こ とができず乾燥室内 の有機物質のガ ス濃度が爆発限界内に入る こ とがあ 大 変に危険であ 、 安全のための コ ス ト のか ^ る諸対策を 講ずる要があ る。 更には、 排風^燃焼反応させて処'理す る方式の乾燥機においては、 特に、 その処理条件の安定 化、 エ ネ ノレギ— コ ス ト の軽減のため排'、風のガ ス濃度を所 定の値に保つ必要があるが、 送排風の風量を一定値に制 御する この従来の方式に よ るな らば、 この コ ン ト ロ ー ノレ が同 じ理由で不能である問題点を残すものであ っ た。  Another problem is that, in the case of conventional dryers, the amount of air sent and exhausted from the dryer is usually controlled at a preset value. It is not possible to cope with the ever-changing drying load situation, and it is extremely dangerous that the gas concentration of organic substances in the drying chamber may fall within the explosion limit. It is necessary to take various measures to avoid costs. Furthermore, in the case of a dryer in which exhaust air is burned and reacted by combustion, in particular, the air is exhausted to stabilize the processing conditions and reduce the energy cost, and the gas concentration in the wind is reduced. It is necessary to keep the airflow at a predetermined value, but if this conventional method of controlling the airflow rate of the blown air is constant, this control cannot be performed for the same reason. It left a problem.
ま た、 他の問題と して、 従来一般の乾燥機における温 度制御の仕方は、 乾燥機室内の空気循環経路に水蒸気 ヒ ー タ ( 熱交換器 ) を設けて水蒸気量および温度の コ ン ト 口 ^" に よ って行う も のであ った ^ め制御系が複雑化す る とい う 不利がある上、 水蒸気 ヒ ータ にス ケ ー ノレが付着 するため 、 熱交換率が経時的に低下 し、 か
Figure imgf000004_0001
の除去作業を必要とするエ ネ ノレギー効率上、 保全上の問 題を残す も のであ.つた。
As another problem, the temperature control method in conventional dryers is based on the provision of a steam heater (heat exchanger) in the air circulation path inside the dryer room to control the amount of steam and the temperature. However, there is a disadvantage that the control system becomes complicated, and the heat exchange rate increases over time due to the attachment of the sky to the steam heater. Drops and
Figure imgf000004_0001
This leaves energy efficiency and maintenance issues that require removal work.
ま た、 他の問題 と して、 従来一般の乾燥機における乾 燥室内への熱風の吹き 出 しは、 単に乾燥すべき 物品の方 向に向け られた吹き 出 し口 よ 行われているのみであ つ て、 特に積層品用素材である積層材料たとえば レ ジ ンべ パの よ う な平面的な被乾燥物品に均一に熱風を供給す るための配慮はなされていなか った。 従 っ て、 従来一般 の乾燥機は吹き 出 し気体の温度が吹き 出 し面全体にわた つ て均一であ .り 、 而 して、 乾燥温度の コ ン ト 口 " ノレが確 実な も の と でき 、 そ して乾燥ム ラ のない良質 ¾積層材料 を得 よ う とする 目的のために使用するには不適当であ る とい う 問題点を残すも のであ った。  Another problem is that hot air blown into the drying chamber in conventional dryers is simply performed through a blowout opening directed toward the article to be dried. In particular, no consideration was given to uniformly supplying hot air to a flat material to be dried, such as a laminated material, which is a material for a laminated product, for example, a resin vapor. Therefore, in conventional dryers, the temperature of the blown-out gas is uniform over the entire surface of the blown-out surface, and therefore, the outlet of the drying temperature is not sure. However, it left a problem that it was unsuitable for use for the purpose of obtaining a high-quality laminated material without dry mulling.
- そして最後に、 従来一般の乾燥機における最大の問題 点 と考え られる と ころは、 それ 要する熱量の供給が蒸 気に よ るか、 又はそれに排風処理用熱.瀨の熱量の再利用 分を加えた形で行われる も のであるか ら、 蒸気ヒ - タ の 熱源及びそれか らの配管が乾燥機本体の他に必要である ため、 後述する こ の発明の よ う に、 乾燥機の排風処理用 熱源に専 ら依存する も のに較べてエ ネ ギ ー コ ス ト 及び 配管量と 配管のためのスペー スに係 る コ ス ト において大 変な 不利点を も っ ている も のであ っ た。  -And finally, what is considered to be the biggest problem with conventional dryers is that the required amount of heat is supplied by steam or the heat for exhaust air treatment. Since it is performed in the form of adding a steam heater, a heat source for the steam heater and piping from the steam heater are required in addition to the dryer itself. It has significant disadvantages in terms of energy costs and costs related to the amount of piping and space for piping compared to those that rely solely on exhaust heat treatment heat sources. It was.
発明の開示 Disclosure of the invention
そこで、 この発明の主,な 目的は、 熱効率が良 く 、 且つ 乾燥機自体の コ ス ト 及び乾燥機の設置ス ペ ス が 減され得る乾燥機を提供する と ころにある。 Therefore, a main object of the present invention is to achieve high thermal efficiency, and to reduce the cost of the dryer itself and the installation space of the dryer. It is about providing a dryer that can be reduced.
そ して、 この発明の他の目的は、 温度乃至は濃度につ い て:の コ ン ト 口 ノレ の応答性が良 く 、 結果と して被乾燥 物品の品質性能を安定させる こ と のでき る乾燥機を提供 する と ころにあ る。  Another object of the present invention is to improve the responsiveness of the contact hole with respect to temperature or concentration and, as a result, to stabilize the quality performance of the article to be dried. It is about providing a dryer that can be used.
そして、 この発明の他の 目的は、 主に清净空気のみを 乾燥室に供給する こと に よ i?酸欠事故に対して安全であ Another object of the present invention is to supply safe air to the drying chamber mainly, so that it is safe against oxygen deficiency accident.
]3 、 また主にガ ス濃度のコ ン ト 口 1 " 機能を備える こ と によ ]7 爆発事故に対 して安全である乾燥機を提供する と ころにあ る。 [3] Also, mainly by providing a gas concentration outlet 1 "function] [7] To provide a dryer that is safe against explosion accidents.
そして、 この発明の他の 目的は、 使用される熱交換器 の経時変化が少な く 保全が容易である乾燥機を提供する と ころにあ る。  Another object of the present invention is to provide a dryer in which the heat exchanger used has little change with time and maintenance is easy.
- そして、 この発明の池の 目的は、 レ ジ ン べ パのよ う 平面的 被乾燥物品を乾燥するのに際して、 乾燥ム ラ い良質 乾燥物品が得 られる乾燥.磯を提供する と こ ろにあ る。  -The purpose of the pond of the present invention is to provide a dry, dry, and high-quality dry product when drying a flat dry product such as a resin vapor. is there.
そこ,で、 この発明にお ては、  Therefore, in the present invention,
(1) 乾燥室へ送 り込む熱風源 と して新鮮空気のみを用  (1) Only fresh air is used as a source of hot air sent to the drying room
る よ う に し、 乾燥室か らの排風は排風処理装置に導い て処理する よ う に し、 この排風処理装置か ら出る高温 の清浄ガス と の熱交換に よ つ て上記新鮮空気を加熱す る よ う にする こ と に よ !) 、  The exhaust air from the drying room is guided to an exhaust air treatment device for processing, and the heat is exchanged with the high-temperature clean gas from the exhaust air treatment device to produce the fresh air. Let's try to heat the air! ),
(2) そ して、 前記の高温の清浄ガス と の熱交換に よ っ て 前記の新鮮空気のみか排風を も 加熱する こ と に よ 、  (2) By heating only the fresh air or the exhaust air by heat exchange with the high-temperature clean gas,
OMPI  OMPI
Λ. WWiiPPOO (3) 従 っ て、 乾燥機の熱源は前記の排風処理装置の熱源 のみに依存する よ う にする こ と に よ ]? 、 Λ. WWiiPPOO (3) Therefore, the heat source of the dryer is made to depend only on the heat source of the exhaust air treatment device described above.
(4) そしてガス と の熱交換によ って新鮮空気 と排風と の  (4) The heat exchange with the gas causes the fresh air and the exhaust
両者を加熱する と と も に、 熱風と清浄ガス の両者をそ れぞれ、 上記排風を導 く ためのダク ト の外周に沿 っ て 流すこ と に よ っ て この排風の保温を行わせ、 そ して配 管内面の全長にわたる ク 一ノレの付着を防 ぐ こ と に よ 、  While heating both, the hot air and the clean gas are each passed along the outer circumference of the duct for guiding the exhaust air, thereby keeping the exhaust air warm. To prevent the adhesion of knoll over the entire length of the inner surface of the pipe.
(5) そして、 乾燥機の風量の コ ン ト ロ ー は乾燥室内に  (5) The control of the air volume of the dryer is placed in the drying room.
おける有機物質のガ ス濃度に基づき 送排風の風量調節 . を行 う こ と に よ 行 、  The amount of air blown and discharged based on the gas concentration of organic substances in the air.
(6) そして、 乾燥機の温度コ ン ト ロ は、 各乾燥室の  (6) The temperature control of the dryer is
温度に応じて熱風の吹き込み量の増減を行 う こ と に よ  Increase or decrease the amount of hot air blown according to the temperature
する こ と に よ 、  What to do,
(7) そして、 乾燥機は熱風の吹き 出 し口を備え この熱風  (7) The dryer is equipped with a hot air outlet and this hot air
の吹き 出 し口は、 気体吸い込》み吹き 出 し装置の動作時 に生じる室内気体の循環路に臨み、 かつ、 その幅方向 に長 く 配置される こ と に よ 、  The air outlet of the air inlet faces the circulation path of the indoor gas generated during the operation of the air suction device, and is arranged long in the width direction.
(8) そ して、 乾燥機の大部分の配管においては、 ダク ト  (8) In most of the piping of the dryer, duct
' を二重構造と し、 その外側通路を温度の高い気体の通 '' Has a double structure, and its outside passage is
路とする こ と に よ ]9前記のこの発明の目的を こ と ご と く 達成 している も のであ る。  The object of the present invention described above has been particularly achieved.
以下、 この発明を実施例に基いて説明するな らば、  Hereinafter, the present invention will be described based on Examples.
第 1 図およ び第 2 図はこの発明にかかる乾燥機の送排 風流れ設定方法に基いて構成された乾燥機の簡略側断面 図と流れ説明図であ る。 乾燥機本体 Uの内部は 4 室 12a,  FIG. 1 and FIG. 2 are a simplified side sectional view and a flow explanatory diagram of a dryer configured based on a method for setting the air flow of a dryer according to the present invention. The interior of the dryer body U has 4 rooms 12a,
OMPI  OMPI
' Λλ ― W1PO , 12b , 12c , 12d に区分されてお !) 、 被乾燥物品た:る レ ジ ン ベ パ 10は、 本体 11 の一側か ら送 !)込まれ、 乾燥室 12a, 12b , 12c , 12d を順次通過する間に乾燥され、 そ して他 側か ら送 !) 出される よ う にな つている。 本体 11への送風 ラ イ ンはつぎの よ う に構成されている。 すなわち、 送風 ラ イ ン端部には フ イ ノレ タ I3、 吸引フ ァ ン Mが設け られて お ]? 、 こ こか ら取 り込まれる新'鮮空気が唯一の熱風源と な る。 フ ィ レ タ 13 と フ ァ ン 14 と の間にはダ ン バ 30が設置 されてお り 、 後述する 自動制御シ ス テ ム の作用でこめダ ン パ 30の開度が自動調節され、 これに よ つ て乾燥機本体 λ ― W1PO, 12b, 12c, 12d!), And the article to be dried: resin vapor 10 is sent from one side of the body 11! ) And dried while sequentially passing through the drying chambers 12a, 12b, 12c and 12d, and sent from the other side! ). The air blow line to the main body 11 is configured as follows. That is, a finleter I 3 and a suction fan M are provided at the end of the blowing line], and the fresh air taken in from here is the only hot air source . A damper 30 is provided between the filter 13 and the fan 14, and the opening of the damper 30 is automatically adjusted by an automatic control system described later. The dryer itself
11への送風量が調節される よ う にな っている。 送風ラ イ ンはフ ァ ン 14の後で 2路に分岐 し、 その一方には熱交換 器 15が設置され、 他方にはダ ン バ が設置されている。 The amount of air blown to 11 is adjusted. The fan line branches off into two paths after fan 14, one of which is equipped with a heat exchanger 15 and the other is equipped with a damper.
これらの 2 路は熱交換器 、 ダ ン バ 31 の後で合流 し、 そ の後送風用メ ィ ンダク ト ½内に る。 ダ ン バ 31の開度 も 自動制御される よ う にな つ てお 、 熱.交換器 15 に よ つ て 加熱された空 ¾と ダ ン バ 31側を通る冷気と の混合比がこ の開度制御に よ って調節され ϊ したがっ てま た、 乾燥室 These 2 paths heat exchanger, it merged after da down bar 3 1, that the blower main I Ndaku preparative within ½ after it. Da emissions Also great opening Bas 31 One Do Ni will I be automatically controlled, heat. Mixing ratio of the cool air passing through the heated One by the exchanger 15 the air ¾ and Dialog down bar 3 1 side this It is controlled by the opening control of the drying chamber.
12a , 12b , 12c , 12d へ送 ]?込まれる熱風の温度がこれに よ っ て調節される よ う にな っ て る。 メ イ ンダク ト I6か らは、 4 本の分岐管を介 して各乾燥室 12a , 12b , I2c , 12d へ熱風が送 !) 込ま れる。 各分岐管にはそれぞれダ ン ノ 32 a , 32b , 32 c , 32dが設けられていて、 これらの自動 開度制御に よ り 、 各室 12a , 12b , 12c , 12dへの熱風送 ) 込み量が調節され、 したが つ てま た、 各室 ごと の室温調The temperature of the hot air sent to 12a, 12b, 12c, and 12d is adjusted accordingly. Main Lee Ndaku DOO I 6 or colleagues, the drying chamber 12a and through the four branch pipes, 12b, I2c, the hot air to 12d feed! ) Each branch pipe is provided with a dang 32a, 32b, 32c, 32d, respectively, and by these automatic opening control, hot air is supplied to each chamber 12a, 12b, 12c, 12d. The room temperature is adjusted according to the room temperature.
RE RE
ΟΛ'.ΡΙΟΛ'.ΡΙ
WIPO 節が される よ う にな っ てい る。 ダ ンパ 32a , 32b , 32 c , 32d に よ る風量調節の精度を高めるためにはメ イ ンダ ク ト 16の内圧を一定に保つ必要があ る。 そこで、 メ イ ンダ ク ト 16には内圧調節用のダ ン バ 33が設け られて る。 各 乾燥室 12a , 12b , 12c , 12d にはそれぞれ上下一対の循環 フ ァ ン 17 , 17が設置されてお i? 、 各室内に送 り込まれた 熱風はこれ らの フ ァ ン 17 , 17の作用に よ って室内を循環 させられ、 その間に室内の熱気と均一混合されつつ、 レ ジ ン べ ^" パ 10に吹き付け られる。 WIPO The verse has been reduced. In order to increase the accuracy of air volume adjustment by the dampers 32a, 32b, 32c, 32d, it is necessary to keep the internal pressure of the main body 16 constant. Thus, the main body 16 is provided with a damper 33 for adjusting the internal pressure. Each of the drying chambers 12a, 12b, 12c, 12d is provided with a pair of upper and lower circulation fans 17, 17, respectively, and the hot air sent into each of the chambers is subjected to these fans 17, 17, The air is circulated in the room by the action of the air, while being uniformly mixed with the hot air in the room and sprayed onto the resin tray 10.
レ ジ ン べ パ 10か ら蒸発する有機物質を含んだ乾燥室  Drying room containing organic substances evaporating from resin vapor 10
12a , 12 b , 12c , 12d の排風は、 分岐管を介 して排風用メ ィ ン ダ ク ト ½ に集め られる よ う にる つ て る。 メ イ ンダ ク ト 18は 2 台の吸引 フ ァ ン 19 , 20を備えてお 、 各フ ァ ン 19 , 20の前にはダ ン バ 34 s 35が設置されている。 これ らのダ ンパ 34 , 35 も 自動開度制御される よ う にな つ てお j? 、 これ らの作用に よ っ て、 乾燥機の.排風量が調節され る。 メ イ ンダク ト 1S は、 その末端が直燃方式の排風処理 装置 21 に接続されているのであ るが、 この末端に至る途 次において、 排風処理装置 21 と 一体的に設置されてい る 熱交換器 22内を通る よ う にな つ てい る。 第 1 図中、 2 1 1The exhaust air of 12a, 12b, 12c, and 12d is collected through the branch pipe to the exhaust main body ½. The main body 18 is provided with two suction fans 19 and 20, and a damper 34 s 35 is installed in front of each fan 19 and 20. These dampers 34 and 35 are also controlled by automatic opening control. By these actions, the exhaust air volume of the dryer is adjusted. Main Lee Ndaku DOO 1S is Ru Nodea whose end is connected to the exhaust air processor 21 straight燃方expression in developing next leading to this end, the wind exhaust processing device 2 1 and is integrally installed It passes through the heat exchanger 22. In Fig. 1, 2 1 1
, 2 1 2 は排風処理装置 21 に供給する灯油 と補助空気の 供 給ラ ィ ンであ る。 乾燥機本体 11か ら出た排風は排風処理 装置 21 内に導かれ、 その中に含ま れている有機物質は こ こで完全に燃焼され清狰と な る。 なお、 排風処理装置と しては直燃方式に代えて蚰晖方式の も のを採用 しても よ , 212 are supply lines for kerosene and auxiliary air to be supplied to the exhaust air treatment device 21. The exhaust air from the dryer main body 11 is guided into the exhaust air treatment device 21, and the organic substances contained therein are completely burned and purified. It should be noted that, instead of the direct combustion method, a flue gas treatment apparatus may be adopted as the exhaust air treatment apparatus.
O. PI い。 排風処理装置 21か ら排出される高温の清淨'ガ スは主 に熱交換器 22を通 っ て清净ガ ス排出用ダク ト 23に導かれ、 大気中に放出される よ う にな っ ているが、 この熱交換器 ラ イ ン とは別に、 自動制御ダ ンパ 36を備えた分岐ダ ク ト 2 を通 っ てダク ト 23に導かれる よ う に も ¾: つ そ る。 清 净ガ ス排出用ダク _ト 23は送風ラ ィ ン に設置されている熱 交換器 内を通る よ う に設計されてお り 、 したが っ て、 フ ァ ン 14 に よ つ て吸引された冷気 ( 新鮮空気 ) の一部は 清浄ガ ス と の熱交換に よ つ て加熱される よ う に つ て い る。 熱交換器入側の X点における清浄ガ ス温度が設定値 よ も低 く な つたと き には ダンバ 36が開かれ、 排風処 理装置 21か らの清浄ガ ス の一部が熱交換器 22を通過 した 清净ガスに加え られ、 これに よ つ て X点の昇温が行われ る。 第 1 図に示すよ う に、 送風用メ イ ン ダク ト 16 と各乾 燥室 12a , 12 b , 12c , 12d と を接続する分岐ダク ト 25a , 25b , 25 c , 25d は排風用メ イ ン ダク ト · 18 の乾燥機本体 側 部分を外套 してお 、 熱風はメ イ ン ダ ク ト 18 の外周に沿 つて流れた後各室 12a , 12 b , 12 c , 12d に送 込まれ,る よ う にな つ ている。 ま た、 清浄ガス の一部は吸引フ ァ ン 26 に吸引されて、 熱交換器 22 に近接 した位置か ら排風用メ イ ンダク ト 18 の片側を外套する ダク ト 27内をダク ト 18 の 外周に沿 っ て流れ、 分岐ダ ク ト 25d に近接した位置か ら ϋ タ ー ン して、 ダク ト 18 の他側を外套する ダク ト 27'内を ダク .ト 18の外周に沿 って流れた後、 大気中に放出される よ う に ¾ つ て る。 すなわち、 ダ ク ト を流れ この よ う に して、 熱風と清狰ガ ス の両者に よ !) 保温され O. PI No. The high-temperature clean gas discharged from the exhaust gas treatment device 21 is mainly led to the clean gas discharge duct 23 through the heat exchanger 22 and released to the atmosphere. However, separately from the heat exchanger line, the heat is guided to the duct 23 through the branch duct 2 having the automatic control damper 36. The cleaning gas discharge duct 23 is designed to pass through the heat exchanger installed on the blower line, and is thus drawn by the fan 14. Some of the cold air (fresh air) is intended to be heated by heat exchange with clean gas. When the temperature of the clean gas at point X on the heat exchanger input side becomes lower than the set value, the damper 36 is opened, and a part of the clean gas from the exhaust treatment device 21 is subjected to heat exchange. The gas is added to the cleaning gas that has passed through the vessel 22, thereby raising the temperature at the X point. As shown in FIG. 1, branch ducts 25a, 25b, 25c, and 25d connecting the ventilation duct 16 and the drying chambers 12a, 12b, 12c, and 12d are exhaust ducts. The heat is passed along the outer periphery of the main body 18 and then sent to the chambers 12a, 12b, 12c, and 12d. , In addition, a part of the clean gas is sucked into the suction fan 26, and from the position close to the heat exchanger 22, the inside of the duct 27 that covers one side of the exhaust air duct 18 is duct 18. Flows along the outer periphery of the duct 18 and returns from a position close to the branch duct 25d, and passes through the inside of the duct 27 'covering the other side of the duct 18 along the outer periphery of the duct 18. And then released into the atmosphere. That is, the duct flows In this way, both hot air and clean gas! ) Keep warm
る よ う にる つ ている。 You have to be sick.
排風ラ イ ン用の吸引 フ ァ ンは 1 台であ っ て も よ いので  Since there may be only one suction fan for the exhaust line
あるが、 乾燥機本体 側に ト ラ ブ が発生 した と き等.に、 排風を大気中に放出する と と も に新鮮空気を排風処理装 However, when a trouble occurs on the dryer body side, etc., the exhaust air is released into the atmosphere and the fresh air is exhausted.
置 21 に送 ]? 込むこ とができ る よ う にするために、 この実 To the device 21]?
施例では 2 台の フ ァ ン I9 , 20が設置されている。 28は自 Two fan I 9, 20 are disposed in施例. 28 is self
動 シ ャ ッ タ 281 を備えたパ ー ジ 口 、 29は自動 シ ャ ッ タ Purge port with dynamic shutter 281; 29 is automatic shutter
29 1 を備えた空気取入 口 であ る。 ト ラ ブ 発生時には シ  This is an air inlet with 29 1. When a trouble occurs,
ャ ッ タ 2 8 1 , 2 9 1 に よ ]?排風ラ イ ン が中断されて 、 排風 The exhaust line is interrupted and the exhaust air is interrupted.
がパ - ジされ、 新鮮空気が取 !) 込ま れる。 Is purged and fresh air is taken! )
第 3 図は上で説明 した乾燥機の送排風流れ設定方 の  Fig. 3 shows how to set the air flow of the dryer described above.
実施に用いる風量制 御 シ ス テ ム の ブ ロ ッ ク 図であ:.る 。 こ Fig. 3 is a block diagram of the air flow control system used for implementation. This
のブ ロ ッ ク 図に示されている よ う に、 通常運転中'は各乾 During normal operation, as shown in the block diagram,
燥室 12a , 12b , 12c , 12d 内において蒸発する有機物質の Of organic substances that evaporate in the drying chambers 12a, 12b, 12c, 12d
ガ ス濃度が常時測定されてお ]? 、 その.測定結 か ら時々 The gas concentration is constantly measured.]
刻 々 の ガ ス濃度最高値が選択され、 電気信号と'して出力 The highest value of gas concentration at each moment is selected and output as an electric signal
される。 こ の出力はあ らか じめ設定されている比率に し Is done. This output is based on a preset ratio.
たが って増減調整され、 通常時一手動時切替ス ィ ッ チ 、 Therefore, it is adjusted to increase or decrease.
通常時一異常時切替ス イ ツ チおよび通常時一始動時切替 Normal / normal switching switch and normal / start switching
ス ィ ッ チを介 し、 開度制御用信号と してダ ンパ 30 , 34 ,  Via switches, dampers 30, 34,
35に入力されるが、 その際、 各ダ ン バ の能力を'適正に調 Is entered in 35, at which time the capabilities of each member are adjusted appropriately.
整するために、 各ダ ン バ ごと にあ らか じめ設定されて い Pre-set for each member to adjust
る比率に したが っ て、 上記入力が増減調整される。 ί  The above input is increased or decreased according to the ratio. ί
この よ う に、 この風量制御 シ ス テ ムは、 各乾燥室の ガ  As described above, this air flow control system is used to control the gas in each drying room.
OMPI WIPO ' ス濃度を基準 して乾燥機に取 込む新鮮空気量と排気 量を調整する よ う に っ て る。 したが っ て、 この よ う 風量制御 シ ステ ム に よれば、 各乾燥室内においてその ガス濃度が爆発限界内に入 ら い よ う に コ ン ト ロ ーノレす る こ とが可能と る る。 さ らに、 排風処理装置の制御を安 定させかつその燃料消費を可及的に節約するためには、 排風に含ま れる有機物質のガ ス濃度を調節する必要があ るが、 上記風量制御 シ ス テ ム に よればこの よ う ¾要望を 穉たすこ と も容易かつ可能とる るのである。 OMPI WIPO '' The amount of fresh air and exhaust air to be taken into the dryer is adjusted based on the gas concentration. Therefore, according to such an air flow control system, it is possible to control the gas concentration in each drying chamber so that the gas concentration falls within the explosion limit. In addition, in order to stabilize the control of the exhaust gas treatment device and save as much fuel as possible, it is necessary to adjust the gas concentration of organic substances contained in the exhaust gas. According to the air volume control system, it is easy and possible to meet such demands.
. 上記実施例にお ては、 各乾燥室のガス濃度が設定値 (爆発限界に達しない安全域内の特定値 ) を下廻る こ と の ¾いよ う にするために、 各乾燥室のガス濃度の う ちの 最高値を選び出 して これに基き 風量 コ ン ト 口 一 ノレする よ -う に しているが、 これに限 られる も のではな o In the above example, the gas concentration in each drying room was set to be lower than the set value (specific value within the safety range where the explosion limit was not reached). The maximum value is selected and the air volume is controlled based on this value, but this is not a limitation.
風量制御を上記の よ う ¾ 自 制御によ るのではな く 手 動に よ っ て行う必要がある と き には;..通常時一手動時切 換ス ィ ツ チを手動時側に切 ]? 替える。 ま た、 乾燥機の始 動時には大き な風量を必要とするの で、 こ のと き には通 常時一始動時切替ス ィ ッ チを始動時側に切 ]?替える。 自 動制御ラ ィ ンに異常が発生する と 、 通常時一異常時切替 ス ィ ツ チが自動的に異常時側に切 替わる。 そうする と, あ らか じめ設定されている異常時用条件と しての電気信 号が出力され、 異常事態に対応した運転制御がな される。 な お、 乾燥機の負荷は時々刻々変化する ものであるか ら、 上記異常時用条件がこの変化に無関係に一定 ¾ も のであ w i る と 、 切替時に'はその直前の出力と の間に大き 差違が 生じ、 それに よ る ト ラ ブ の発生が懸念される。 そこで、 異常時用条件.設定回路には自動制御ラ ィ ン の出力が常に 入力され、 これに よ つ て異常時用条件をその時点での 自 動制御ラ イ ン の出力と常に比例させる よ う に している。 As described above. に は When it is necessary to perform the air flow manually instead of using the self-control; .. Switch the normal-manual-time switching switch to the manual side. Off]? Also, since a large air volume is required when the dryer is started, always switch the start-up switch to the start-up side at this time. If an error occurs in the automatic control line, the normal-in-error switching switch automatically switches to the abnormal side. Then, an electric signal is output as the pre-set abnormal condition, and operation control corresponding to the abnormal situation is performed. Since the load on the dryer changes every moment, the above-mentioned abnormal condition is constant regardless of this change. Therefore, at the time of switching, there is a large difference between the 'and the immediately preceding output, and there is a concern that a traverse may occur due to this. Therefore, the output of the automatic control line is always input to the setting circuit for abnormal time conditions, so that the condition for abnormal time is always proportional to the output of the automatic control line at that time. I'm doing it.
第 4 図は温度制御 シ ス テ ム の ブロ ッ ク 図である。 この 図に示されて る よ う に、 各乾燥室 1 a , 12b , 12c , 12d の温度は、 それぞれの負荷等を考慮してあ らか じめ設定 されている。 他方、 各乾燥室の温度は温度セ ン サに よ つ て常に測定されている。 そレて、 これ ら設定値と測定値 の比較に基いて、 各乾燥室入口 の ダ ンパ 32a , 32 b , 32c , 32d の開度制御のための入力が調節される よ う に ¾ つ て いる。  Fig. 4 is a block diagram of the temperature control system. As shown in this figure, the temperatures of the drying chambers 1a, 12b, 12c, and 12d are set in advance in consideration of the loads and the like. On the other hand, the temperature in each drying room is constantly measured by a temperature sensor. Then, based on the comparison between the set value and the measured value, the input for controlling the degree of opening of the dampers 32a, 32b, 32c, and 32d at the inlet of each drying chamber is adjusted. I have.
この温度制御 シ ス テ ム では 、 こ の よ う に熱風の吹 き 込 み量の増減に よ つ て各乾燥室の撣度調節を行 う よ う に し ているため、 装置が簡単と ¾ 操作も.容,易となる利点が あるほか、 風量の増減に よ る温度制御であるか ら制御の 応答性が極めて良 く 精度 も 良いと い う 利点も ある。 さ ら に、 これに よれば従来の よ う に、 ス ケ ー ノレが付着する等 の理由に よ つて熱交換器の熱交換率が経時変化する と う おそれはる く 、 保全が容易と な る とい う長所も あ る。  In this temperature control system, the temperature of each drying chamber is adjusted by increasing or decreasing the amount of hot air blown in this way. In addition to the advantages that operation is simple and easy, there is also the advantage that control response is extremely good and accuracy is good because temperature control is performed by increasing or decreasing the air flow. Furthermore, according to this, unlike the conventional case, there is no danger that the heat exchange rate of the heat exchanger will change with time due to the attachment of a scar, and maintenance becomes easy. There is also an advantage that.
上記の よ う に 、 熱風量の増減に よ つ て乾燥室の温度調 節を行う ためには、 熱風温度を一定に維持する必要があ る。 そこで、 この温度制御 シス テ ム においては、 各乾燥 室 12a , 12 b , 12 c , 12d の温度設定値の う ちの最高値を選  As described above, in order to control the temperature of the drying room by increasing or decreasing the amount of hot air, it is necessary to maintain a constant hot air temperature. Therefore, in this temperature control system, the highest value of the temperature set values of the drying chambers 12a, 12b, 12c, and 12d is selected.
OWPI 択して これを一定に保つよ う熱風温度の制御を'行 う 。 す なわち、 各乾燥室の温度設定値を比較 して最高値が選択 される と、 その出力信号があ らか じめ設定された比率に したが って増減調整され、 これは通常時ー異常.時切替ス ィ ツ チを介 し開度制御信号と してダ ン バ 31 , 36に入力さ れるが、 その際、 各ダ ン バ の能力を適正に調整するため に、 各ダ ン バごと にあ らか じめ設定されている比率に しOWPI And control the hot air temperature to keep it constant. In other words, when the temperature setting of each drying room is compared and the highest value is selected, the output signal is increased or decreased in accordance with a preset ratio, which is normally a normal operation. An abnormality is input to the dampers 31 and 36 as an opening control signal via the time switching switch. At this time, in order to properly adjust the capacity of each damper, Set the ratio set in advance for each bar.
—たが って、 上記入力は増減調整され、 さ らに第. · 1 図の X 点、 Υ点での温度測定値と上記増減調整後の入-力値との 比較に基き 、 X点、 Υ点の温度が所定値を維持する よ う に、 最終的にダ ン バ 31 , 36 の開度制御用入力が調節され る。 なお、 ダ ンバ 31 , 36の開度制 用入力は通常時一手 動時切替ス ィ ツ チを介 し手動に よ っ て も調節される よ にな っ ている。 ま た、 ダ ンパ 31 " 36の 自動制御ラ イ ン に 異常が生 じたと き には、 通常時^"異常時切替ス ィ ッ チ が 異常時側に自動的に切 ]3 替 、 あ らか''じめ設定されて る異常時用条件が:電気信号と してダ ン バ 31 , 36 に出力さ れる よ う にな っている。 —Therefore, the above input is increased or decreased, and the X point is determined based on the comparison between the measured temperature value at points X and の in Fig. 1 and the input value after the above adjustment. Finally, the opening control inputs of the dampers 31 and 36 are adjusted so that the temperature at the point を maintains the predetermined value. Note that the opening control inputs of the dampers 31 and 36 are also adjusted manually by a manual switch at the time of normal operation. In addition, when an error occurs in the automatic control line of the damper 31 "36, the normal time ^" error switch is automatically switched to the abnormal side.] 3 The pre-set abnormal condition is output to the dampers 31 and 36 as an electric signal.
上記構成か ら る こ の発明の送排風流れ設定方法の実 施に よ って得 られる効果は、 つぎの と お!? である。  The effects obtained by the implementation of the method for setting the air flow of exhaust air according to the present invention having the above configuration have the following effects. ? It is.
冒頭に述べた よ う に、 従来のベ ン チ ュ リ ス ク ラ バ方式 に よ る脱臭装置では、 その除去効率が高々 70%程度であ つたが、 こ の発明に よれば排風は直燃方式ま たは触媒方 式の処理装置に よ っ て処理されるため、 その処理はほぽ 完全である。 ま た、 この発明は、 排風処理装置か ら出 る  As mentioned at the beginning, the removal efficiency of the conventional deodorizer using the venturi scrubber method was at most about 70%, but according to the present invention, the exhaust air is straightforward. The treatment is almost complete because it is processed by a combustion type or catalytic type processing unit. Further, the present invention is derived from the exhaust air treatment device
O PI  O PI
W1PO 高温の清狰ガス と の熱交換のみに よ つ て新鮮空気を加熱 W1PO Heats fresh air only through heat exchange with hot clean gas
する 、 す ¾わち熱風を得る よ う に し、 また、 上記清浄ガ In other words, make sure to get hot air, and
ス で排風を も加熱する こ と に よ 排風'処理装置の燃料消 The exhaust gas is also heated by the exhaust gas.
費量を軽減する よ う に し、 さ らには熱風ゃ清净ガ ス を排 To reduce costs and to eliminate hot air purifying gas.
風用ダク ト の外周に流 して排風の保温を行 う こ と に よ ]? 廃熱の損失を可及的に少 く する よ う にしているため、 To keep the exhaust air flowing around the perimeter of the wind duct.]? To minimize the loss of waste heat,
この発明に よればエ ネ ノレ ギ コ ス トが大幅に軽減される。 According to the present invention, the energy cost is greatly reduced.
この発明の送排風流れ設定方法では、 高温の清狰ガ ス と の熱交換に よ つて新鮮空気を加熱する よ う に しているた In the method for setting the air flow of exhaust air according to the present invention, fresh air is heated by heat exchange with high-temperature cleaning gas.
め、 従来の蒸気加熱に比 し、 熱風温度を大幅に高める こ とができ る。 したが っ て、 この発明に よれば乾燥のス ピ ー ドア ッ プが可能と な る。 ま た、 この よ う に、 この発明 As a result, the temperature of hot air can be significantly increased as compared with conventional steam heating. Therefore, according to the present invention, dry speed-up is possible. Also, as described above, the present invention
においては新鮮空気の加熱は、 清浄'ガス と の熱交換に-よ る ものであ 水蒸気との熱交換に よ る も のではな か ら、 従来のよ う に熱交換器にス ケ ノレが付いたため熱交換率 In this method, the heating of fresh air is based on heat exchange with clean gas and not on heat exchange with water vapor, but a conventional heat exchanger has a squeeze tube as in the past. Heat exchange rate
が悪く な つた ]? ス ケ ^ " ノレ の除去作業を、行わるければ ら Has become worse]? Scale ^ "
い等の 、 運転上、 保全上の支障の生 じるおそれが ¾い。  It is likely to cause troubles in operation and maintenance such as maintenance.
こ の発明にかかる送排風流れ設定方法は、 熱風の吹き 込みによ つ て乾燥室の加温を行う よ う に しているため、 温度制御に際 しては風量制御に よ つ て これを行 う こ とが  According to the method for setting the air flow of exhaust air according to the present invention, since the drying chamber is heated by blowing hot air, the temperature is controlled by controlling the air volume. To do
でき 、 そのため制御の応答性が極めて良 く 精度 も 良い。 Therefore, the response of the control is very good and the accuracy is good.
さ らに、 この発明は、 熱風源 と して新鮮空気のみを用い Further, the present invention uses only fresh air as a hot air source.
る よ う に し、 排風は全 く 用いていない。 したが っ て、 こ の発明に よれば、 乾燥物品の品質、 性能が安定 し、 かつ  And no exhaust air is used. Therefore, according to the present invention, the quality and performance of the dried article are stabilized, and
向上する。 BU R EAU improves. BU R EAU
OMPI WIPO . OMPI WIPO.
、 この発明の乾燥機の温度制御方式はこのよ う に熱風の 吹き込み量の増減によ つ て各乾燥室の温度調節:を行う よ う に して るため、 装置が簡単と な !?操作 も 容易と る る 利点があるほか、 風量の増減に よ る温度制御であるか ら 制御の応答性が極めて良 く 精度も 良い とい う 利点も あ ¾0 さ らに 、 これに よれば従来の よ う に 、 ス ケ ー が付着す る等の理由に よ つ て熱交換器の熱交換率が経時変化する と う おそれはな く 、 保全が容易と なる と う 長所も あ ° る o , Since the temperature control method of the dryer of the present invention is such that the temperature of each drying chamber is adjusted by increasing or decreasing the amount of hot air blown, the apparatus is simplified! ? In addition to the advantage of easy operation, the temperature control by increasing or decreasing the air flow has the advantage of extremely high control responsiveness and high accuracy. Thus, there is no danger that the heat exchange rate of the heat exchanger will change over time due to reasons such as adhesion of the scale, and there is also an advantage that maintenance becomes easier.o
つぎに、 この発明の乾燥器の乾燥室の具体的 構造を 示す図面に基いて詳細に説明する。  Next, a detailed description will be given based on the drawings showing the specific structure of the drying chamber of the dryer of the present invention.
第 5 図および第 6 図はその第一の例を示す も のである。 一点鎖線で示す乾燥室 40内には上下一対の気体吸い込み 吹き 出 し装置 1 , 41が対向的に設け られている。 この装 置 1はつぎの よ う に構成されて る。 すなわち、 水平に 設置された箱 42の対向面には多数 ( だ.だ し、 図では作図 の都合上、 2 個しか図示されていな ) の気体吹き 出 し 用ノ ズ ^ 3 …が設け られて る。 箱 42は乾燥室 40内を通 過する被乾燥物品す .わち レ ジ ン べ パ 6 0 の幅よ も 広幅の も のであ る。 また、 各ノ ズノレ 43は側断面 Τ形であ つて、 レ ジ ン べーパ 6 0 の幅方向に長 く な つ ている。 各 ノ ズ 43が箱 42内 と連通 している こ とは言う ま でも るい。 箱 2の後部反対面には 2 台の吸引 フ ァ ン 44 , 4 を収納 し たフ ァ ン箱 5が取付け られている。 フ ァ ン箱 45内が箱 42 内 と連通 している こ と も 勿論である。 箱 42 よ り もやや広 幅 と な っ ている'フ ァ ン箱 45 の前面開口部 ( 吸 込み口 ) にはフ イ ノレ タ 46が当て られている。 吸引 フ ァ ン 4 , 4 の 作動に よ って、 乾燥室 40内の気体はフ ァ ン箱 45内に吸い 込まれ、 箱 2内を経て多数の ノ ズ ノレ 43 …か ら吹き 出され る。 翁 2のほぽ全面か ら吹き 出すこの吹き 出 し気体に よ つ て レ ジ ン べ パ 6 0 は浮かされ、 かつ乾燥される。 吹 き 出 し気体は図の破線矢印で示すよ う に、 広幅の状態で 室内を循環 して再び気体吸 込み吹き 出 し装置 41 に吸い 込まれる。 Fig. 5 and Fig. 6 show the first example. A pair of upper and lower gas suction and blow-off devices 1 and 41 are provided in the drying chamber 40 indicated by a dashed line and opposed to each other. This device 1 is configured as follows. That is, a large number (but only two are shown in the figure for convenience of drawing) of gas blowing nozzles ^ 3… are provided on the opposite surface of the horizontally installed box 42. It is. The box 42 has an article to be dried passing through the drying chamber 40, that is, a width wider than the width of the resin vapor 60. Each of the knurls 43 has a rectangular side cross section, and is elongated in the width direction of the resin vapor 60. It goes without saying that each of the nozzles 43 communicates with the inside of the box 42. A fan box 5 containing two suction fans 44 and 4 is mounted on the rear opposite surface of the box 2. Needless to say, the inside of the fan box 45 communicates with the inside of the box 42. Slightly wider than box 42 A fanlettor 46 is applied to the front opening (suction port) of the fan box 45 having the width. By the operation of the suction fans 4, 4, the gas in the drying chamber 40 is sucked into the fan box 45, and is blown out from the many nozzles 43 through the box 2. . The resin vapor 60 is floated and dried by the gas blown out from almost the entire surface of Okina 2. The blown gas circulates in the room in a wide state as shown by the dashed arrow in the figure, and is sucked into the gas suction and blowout device 41 again.
乾燥室 40内の温度を維持するために、 乾燥室 0内へは ' 熱風が絶えず吹き込ま れてい る。 熱風を乾燥.室 40内へ導 く ためのダク ト 47a の側面か らは、 上下 2 個の熱風 吹き 出 レ用ダク ト 48 , 48が水平に突出 して^る。 各熱風吹 き 出 し用ダク ト 48 , 48の熱風の吹き 出 し口 49 , 49は、 気体 吸 込み吹き 出 し装置 41の動作特に生じる室内気体の循 環路の幅方向に長 く 伸びたス リ ' ト 状'..の も のに形成され てお ]? 、 2 個の フ ァ ン箱 , 45の各対応する前面開口部 · ( 吸 込み口 ) と対面する よ う にな っ ている。 すなわち、 各熱風の吹き 出 し口 49 , 49は.室内に生 じた二つの気体循 環路にそれぞれ臨むよ う にな っ ている。 熱風の吹き 出 し 量が吹き 出 し口の長さ方向全体にわた つ て均一と な る よ う にするため、 ダク ト 48は先端に行 く ほ ど狭幅と る よ う に構成されて る。 In order to maintain the temperature in the drying chamber 40, hot air is constantly blown into the drying chamber 0. Sides or these ducts 4 7a for rather guiding the hot air to dry. Chamber 40 is two upper and lower hot air blown out les for ducts 48, 48 protrude horizontally ^ Ru. The hot-air outlets 49 , 49 of the hot-air blowing ducts 48, 48 extend long in the width direction of the circulation of the indoor gas, particularly the operation of the gas suction and blow-out device 41, which occurs. It is formed in the form of a 'slit-like' ..] and faces two fan boxes, the corresponding front opening of 45 (suction port). I have. That is, the outlets 49 , 49 of the hot air respectively face two gas circulation paths generated in the room. Duct 48 is designed to be narrower as it goes to the tip so that the amount of hot air blown out is uniform throughout the length of the outlet. You.
図中 47b は排風用ダク ト である。 4 7b in the drawing is a duct for exhaust air.
上記実施例は室内気体が レ ジ ン ぺ ー パ 6 0 の進行 方向  In the above embodiment, the room gas is moving in the direction of
f O PI と平行に循環す'る よ う に構成された乾燥機に関する も の であるが、 この発明は以下に述べる よ う に室内気体が レ ジ ン べ一パ 6 0 の進行方向 と直交する方向に循環 する よ う に構成された乾燥機について も実施 しう る。 f O PI The present invention relates to a dryer configured to circulate in parallel with the air, but as described below, the present invention relates to a dryer in which the indoor gas flows in a direction orthogonal to the traveling direction of the resin vapor 60 as described below. Dryers configured to circulate may also be implemented.
すなわち、 第 7 図およ び第 8 図に示す第二の例の乾燥 室にお て、 一点鎖線で示す乾燥室 6 0 内には、 上下一 対の気体吸い込み吹き 出 し装置 51 , ¾が対向的に設け ら れてお 、 各装置 51が多数 ( ただ し、 図は 4 ·個 しか示 し ているい ) の気体吹き 出 し用ノ ズノレ 3…を有する箱 52を 備えている点は、 第 5 図およ び第 6 図に示 した乾燥機 と 同様であ るが、 こ の乾燥機の気体吸い込み吹き 出 し装置  That is, in the drying chamber of the second example shown in FIGS. 7 and 8, a pair of upper and lower gas suction and blowing devices 51 and ¾ are provided in a drying chamber 60 indicated by a dashed line. The point that each device 51 is provided with a box 52 having a large number (but only four pieces are shown in the figure) of gas blowing nozzles 3 that are opposed to each other is provided. Same as the dryer shown in Fig. 5 and Fig. 6, but with the gas suction and blow-off device of this dryer
51 においては、 第 5 , 6 図図示の も ののよ う に、 レ ジ ン ベ ^"パ 6 0 の幅方向一杯に広が った吸い込み口が 設け ら れてお らず、 箱 Kの中央に穿設された円孔 54が吸い込み 口にる つ て て、 こ こに設置されている吸引 フ ァ ン 5 5 の作用に よ って室内気体が吸い込まれ.、 ノ ズノレ 53…か ら 吹き 出される よ う に つ ているため、 この気体吸い込み 吹き 出 し装置 51が動作 した と き には、 図に破線で示すよ う に、 ノ ズ 53…か ら吹き 出 した気体はレ ジ ン べ パ 60 に当た った後、 乾燥室 50の左右側部に廻 っ て円孔 54に吸 い込ま れる。 したが っ て、 室内には レ ジ ン べ ー パ 6 0 の 進行方向 と直交する方向に循環する気体の循環路が.上下、 左右に 4路生じる こと にな るのである。 In FIG. 51, as shown in FIGS. 5 and 6, a suction port is not provided so as to fully extend in the width direction of the reg- isne 60 ", and the box K is not provided. The circular hole 54 formed in the center is the suction port, and the indoor gas is sucked in by the action of the suction fan 55 installed here. Since the gas is blown out, when the gas suction and blow-out device 51 operates, as shown by a broken line in the figure, the gas blown out from the nozzles 53... After hitting the vapor 60, it goes around the left and right sides of the drying chamber 50 and is sucked into the circular hole 54. Therefore, the traveling direction of the resin vapor 60 is set in the room. This means that there are four gas circulation paths that circulate in the orthogonal direction, up, down, left and right.
そこで、 この実施例においては乾燥室 6 0 内へ熱風を 導 く ための上下 2 本のダク ト 5 6 a , 5 6 a は、 それぞれ、  Therefore, in this embodiment, two ducts 56 a and 56 a for guiding hot air into the drying chamber 60 are respectively
OMPI OMPI
、 T10 室内にお て、 箱 52の左右側緣部に沿 う よ う に配設され · た左右二つの熱風吹き 出 し用ダク ト 57 , 57 に分岐され る よ う にな っている。 そして、 各'熱風吹き 出 し用ダク ト 5 7 の熱風の吹き 出 し口 58 は、 外側方に向か って開口 さ れ、 図の破線で示される室内気体の循環路の幅方向に長 く な る よ う に構成されて る。 この よ う に して、 この乾 燥機においても 、 各熱風の吹き 出 し口 58 が各循環路 に それぞれ臨むよ う に ¾ つ ているのであ る。 熱風の吹き 出 し量が吹き 出 し口の長さ方向全体にわた っ て均一と な る よ う にするため、 ダク ト 5 7 は先端に行 く ほど狭幅と る よ う に構成されている。 , T10 In the room, the ducts are branched into two hot air blow-out ducts 57, 57 arranged along the left and right sides of the box 52. The hot-air outlet 58 of each hot-air outlet duct 57 is opened outward and extends in the width direction of the indoor gas circulation path shown by the broken line in the figure. It is configured to be Thus, also in this dryer, the outlets 58 of each hot air are provided so as to face the respective circulation paths. Duct 57 is designed to be narrower toward the tip so that the amount of hot air blowout is uniform throughout the length of the outlet. I have.
図中 56 b は排風用ダク ト であ る。  In the figure, 56b is an exhaust duct.
室内気体は幅広 ( 通'常、 幅長 1 〜 2 m程度で. ¾ る ) の 状態で乾燥室内を循環するため、 これに対し、 ス ポ ッ ト 伏に熱風を供給 した場合には、 気体吸い达み吹き 出 し装 置には供給熱風の混ざった高温の気体.、と混ざ らない低温 の気体とがそれぞれ吸い込ま れる こ と にな る。 と ころが、 こ の温度差は室内気体が気体吸 込み吹き 出 し装置内を 通過する間に解消される も の では いか ら、 結局、 レ ジ ンベ ー パ等の被乾燥物品には吹き 出 し箇所によ つて温度 の異な る気体が吹き 付け られる。 そのため、 乾燥温度の コ ン ト ロ ー ノレが至極困難に ¾ る と と も に、 乾燥品の品質 も 悪 く な る と う おそれがあ る。  The indoor gas circulates in the drying chamber in a wide state (usually about 1 to 2 m in width), and when hot air is supplied to the spot, the gas A high-temperature gas mixed with the supply hot air and a low-temperature gas not mixed are sucked into the suction blow-out device. However, since this temperature difference is eliminated during the passage of room gas through the gas suction and blow-out device, it eventually blows out to dry articles such as resin vapor. Gases with different temperatures are blown at different locations. Therefore, it is extremely difficult to control the drying temperature, and the quality of the dried product may be deteriorated.
と ころが、 この発明に よれば、 上記の よ う に して、 熱 風の吹き 出 し口が室内気体の循環路に臨み、 かつ、 その 幅方向に長 く っ ていて、 図の実線矢印に示すよ う に、 こ こか ら循環気体の全幅にわた つて均一に熱風が吹き 出 すため、 循環気体にはその幅方向全体にわた って均一に 熱風が混入される。 , However, according to the present invention, as described above, the outlet of the hot air faces the circulation path of the indoor gas, and As shown by the solid arrows in the figure, the hot air blows out uniformly over the entire width of the circulating gas, as shown by the solid arrow in the figure.Therefore, the circulating gas spreads over the entire width. Hot air is mixed uniformly. ,
したが っ て、 気体吸い込み吹き 出 し装置に吸 込まれ る気体は温度分布がな く 、 常にほぼ.温度一定である。 そ の結果、 この装置か ら吹き 出される気体の温度は、 吹き 出 し面の全範囲にわた っ て均一とな る。 そのため、 この 発明に よれば、 乾燥温度の コ ン ト ロ ー ノレが容易と ]? 、 乾燥ム ラ の ¾い良質の乾燥品が得 られる。  Therefore, the gas sucked into the gas suction and blow-off device has no temperature distribution and is almost always at a constant temperature. As a result, the temperature of the gas blown out of this device becomes uniform over the entire range of the blowout surface. Therefore, according to the present invention, it is easy to control the drying temperature, and a high-quality dried product with a high drying mura can be obtained.
実験の結果によれば、 循環気体に対 して熱風をス ポ ッ ト状に混入させた場合には吹き出 し気体の温度の高低差 が約 10 と な ったが、 この発明の実施に よ っ てこの温度 差を約 1 に軽減する こ とができ た。  According to the results of the experiment, when hot air was mixed into the circulating gas in the form of a spot, the difference in the temperature of the blown gas was about 10, but according to the implementation of the present invention. Thus, this temperature difference could be reduced to about 1.
こ の発明にお て、 熱風の吹 出 し口は上記各実施.例 の よ う に一本の も のに つ ている こ ど-、を必須とする も の でな く 、 たとえば多数の小孔を室内気体の循環路の幅方 向に点在させる こ と に よ つ て構成された も のであ っても よ い。  In the present invention, the outlet of the hot air does not necessarily have to be a single one as in the above-described embodiments, but may be, for example, a number of small ones. The holes may be scattered in the width direction of the circulation path of the indoor gas.
お、 上記各実 ^例は 1 個の乾燥室につ て説明 した も のであるが、 1 台の乾燥機が複数個の乾燥室を有する 場合には、 いずれの室も上記と 同様に構成される こ とは 言 う ま でも ない。  Each of the above examples is described for one drying chamber.However, when one dryer has a plurality of drying chambers, all the drying chambers are configured in the same manner as described above. That is not to say.
次に、 前述した排風を熱風ま た 清浄ガス によ ]? 保温 するために、 この発明で使用される二重ダク ト の具体例  Next, a specific example of the double duct used in the present invention to keep the exhaust air by hot air or clean gas is used.
OMPI OMPI
-、 WIPO を実施例で説明'する と 、 まず発明者 らは この前述 的を 達成するため、 第 9 図に示すよ う 二重ダ ク ト を開発 し た。 すなわち、 こ ό二重ダ ク ト 7 1 は排 mを通すための 内管 7 2 が外管 73 で外套され、 内管 72 と外管 7 3 との間 に保温用の熱風が流れるための流通路 74 が構成されて な る も のである。 この二重ダク ト 7 1 は、 上記の よ う な 構造であるか ら、 製作が容易であ っ て従来の よ う ¾ ヒ ー タ巻装工事を必要と し ¾い とい う 利点を有するほか、 流 通路 74 を、 乾燥機に吹き 込むための熱風の流通路と し て用いた ]? 、 排風処理後に大気中に放出する高温の清浄 ガ ス の流通路と して用いる こ と に よ っ て、 内管 72 を 通 る排風を保温する よ う にする こ とができ るため、 保温の ための.電気代や蒸気代を必要 と しないとい う 利点を も有 する。 しか し、 この二重ダク ト 1 にお ては、 連結した 2 本の二重ダク ト 71 , 7 ί の各流通路 74 , 74 の接続は、 それぞれの外管 73 , 73 に設け られた.技管 7 5 , 75 と こ れ らに連結された連結管 76 と を通 じて ¾される よ う に な っ てお 、 外管 7 3 が内管 7 2 を フ ラ ン ジ 77 の部分 ま で外套する よ う にはな っ てい いため、 フ ラ ン ジ 部分の 保温が完全でな く 、 したが つ て この部分の内面にタ ー ノレ が付着 しやすいとい う 欠点を有するほか、 二重ダ ク ト 71 の連結に際 しては本管同志のほか、 連結管 7 6 の取付け 作業を要する等の不便 も あ ]? 、 いま だ十分に満足でき る も のではなか った。 -, WIPO To explain this in an embodiment, first, the inventors have developed a double duct as shown in FIG. 9 in order to achieve the foregoing. In other words, in this double duct 71, an inner pipe 72 for passing exhaust air is sheathed by an outer pipe 73, and hot air for warming flows between the inner pipe 72 and the outer pipe 73. The flow passage 74 is formed. Since the double duct 71 has the above-described structure, it has an advantage that it is easy to manufacture and requires a conventional heater winding work. The flow path 74 was used as a flow path for hot air to blow into the dryer.], And as a flow path for high-temperature clean gas released into the atmosphere after exhaust air treatment. Therefore, since the exhaust air passing through the inner pipe 72 can be kept warm, there is also an advantage that no electricity bill or steam bill is required for keeping warm. However, in this double duct 1, the connection of the respective flow passages 74, 74 of the two connected double ducts 71, 7 7 was provided in the respective outer pipes 73, 73. The outer pipe 73 connects the inner pipe 72 to the flange 77 so that the inner pipe 72 is connected to the technical pipes 75 and 75 and the connecting pipe 76 connected thereto. In addition to the fact that it is not covered with a jacket, it has the disadvantage that the insulation of the flanged part is not perfect, so that the toner easily adheres to the inner surface of this part. When connecting the heavy duct 71, there were inconveniences, such as the necessity of installing the connecting pipe 76 in addition to the main pipes.], But it was still not satisfactory enough.
そこで、 発明者 らはこの問題点を更に改善すべ く 、 次 の よ う な二重ダ'ク ト を開発 した。 Therefore, the inventors have to further improve this problem. We have developed a double duct like this.
即ち、 第 10図な し第 12図に示すよ う に、 この発明に かかる二重ダク ト 80 は、 排風等を通すための管体 8 1 と、 その両端に取付け られたフ ラ ン ジ 82 , 82 と 、 管体 8 1の 外側にその全長にわたる二つの流体の流通路 83 , 83 を 構成する よ う に、 管体 8 1 を上下それぞれ部分的に外套 する断面 型の二つの外套体 85 , 8 5 と、 上記各流通 路 83 , 8 3 を外方に開放させる よ う に、 両フ ラ ン ジ 82 , 8 2 に穿設された多数個の孔部 85 … とか ら る も のであ る  That is, as shown in FIG. 10 and FIG. 12, the double duct 80 according to the present invention comprises a pipe 81 for passing exhaust air and the like, and flanges attached to both ends thereof. 82, 82, and two outer bodies of a cross-sectional shape that partially cover the upper and lower parts of the tube 81 so as to form two fluid flow paths 83, 83 over the entire length outside the tube 81. 85, 85 and a large number of holes 85 drilled in both flanges 82, 82 so as to open the above-mentioned distribution channels 83, 83 to the outside. is there
この発明にかかる二重ダク ト 8 0 は上記の よ う に 構成 された も のであるか ら、 構造が簡単であ って従来の よ う な保温 ヒ ー タ の巻装作業を要せず、 かつ、 流通路 8 3 , 83 に乾燥機への吹き込み熱風や高温の清浄ガ;ス を 流す こ と に よ って排風の保温を行う こ とができ るため、 保温 用の電気代や蒸気代を必要と しない利'点を有する こ とは 勿論である。 さ らに、 この二重ダク ト 8 0 は連結 した 2 本の二重ダク ト 8 0 , 80 の各流通路 83 , 83 をそれぞれ の フ ラ ンジ 82 , 82 に穿設された孔部 85 , 85 に よ っ て 通じる こ とができ 、 外套体 8 4 , 84 が管体 8 1 をその 全 長にわた っ て外套 して るため、 フ ラ ン ジ部分を含む管 体の全長が完全に保温され、 管内面の全長にわた っ てタ Since the double duct 80 according to the present invention is configured as described above, it has a simple structure and does not require a conventional operation of winding a heat retaining heater. and, flow path 8 3, 83 to blow hot air and high temperature of the clean gas to the dryer; because it is a child that is responsible for thermal insulation of the exhaust air I'm in and the child passing the scan, electric bill and steam for heat insulation Needless to say, it has the advantage of not requiring a generation. Further, this double duct 80 is formed by connecting each of the flow passages 83, 83 of the two connected double ducts 80, 80 with holes 85, formed in the respective flanges 82, 82. 85, and the jackets 84, 84 cover the tube 81 over its entire length, so that the entire length of the tube including the flange portion is completely reduced. It is kept warm and covers the entire length of the inner surface of the pipe.
ノレが付着 しに く いとい う 長所があるほか、 ダク ト の連 結時には第 9 図の二重ダク ト 1 の よ う 連結管 76 の 取 付け作業を必要と しな 利点も ある。  In addition to the advantage of preventing sticking, the duct has the advantage of not requiring the work of installing the connecting pipe 76 as shown in the double duct 1 in FIG. 9 when connecting ducts.
OMP  OMP
W1P この発明にか'かる二重ダク ト は、 上記実施例の よ う に 外套体が管体を部分的に外套する も ののほか、 二重管形 に管体の全周を外套する も のも あ る。 W1P The double duct according to the present invention is a double duct in which the outer jacket partially covers the pipe body as in the above-described embodiment, or a double pipe shape that covers the entire circumference of the pipe body. There is also.
しか し、 上記実施例の よ う に保温用流体の流通路を 2  However, as in the above-described embodiment, the flow path of the heat-retention fluid was set to two.
路形成する よ う に した場合、 第 2 図に矢符で示すよ う に、 その一路を保温用流体の往路と し他路を復路とする こ と に よ っ て、 保温用流体の復路と してのダク ト を別個に設 ける不便を解消する こ とができ.る。 したが っ て、 の よ う 構成の も のは、 ダク ト連結作業を軽減する こ とがで き るほか、 ダク ト 配管用ス ペ ー ス の軽減も可能であ 、 非常に便利である。 When a path is formed, as shown by the arrow in FIG. 2, one path is set as the outward path of the heat-retaining fluid, and the other path is set as the return path. This eliminates the inconvenience of setting up separate ducts. Therefore, this configuration is very convenient because duct connection work can be reduced and the space for duct piping can be reduced.
図面の簡単な説明 BRIEF DESCRIPTION OF THE FIGURES
第 1 図は この発明に基いて構成された乾燥機の簡略側 断面図、 第 2 図は同上の流れ説明図、 第 3 図はこの発明 の実施に用いる風量制御シ ス テ のブロ ッ ク 図、 第 4 図 は同 じ く 温度制御シス テ ムのブロ ッ ク'.図であ る。 第 5 図 は この発明の乾燥機に用い られる乾燥室の一実施例を示 す平面図、 第 6 図は同上の一部切欠き 側面図、 第 7 図は この発明の乾燥機に用い られる乾燥室の他の実施例を示 す斜視図、 第 8 図は同上の平面図、 第 9 図はこの発明の 乾燥機に使用される二重ダク ト と対比される二重ダク ト' の一部破断側面図、 第 10図は この発明の乾燥機に使用さ れる二重ダク ト の実施例の一部破断側面図、 第 11図は同 上の二重ダク ト の拡大正面図、 第 12図は第 10図 IV — IV線 に沿 う 拡大断面図、 第 13図は第 10図 V — V線に沿 う 拡大  Fig. 1 is a simplified side sectional view of a dryer constructed based on the present invention, Fig. 2 is a flow explanatory diagram of the same, and Fig. 3 is a block diagram of an air flow control system used for carrying out the present invention. Fig. 4 is a block diagram of the temperature control system. FIG. 5 is a plan view showing one embodiment of a drying chamber used in the dryer of the present invention, FIG. 6 is a partially cutaway side view of the same, and FIG. 7 is a drying machine used in the dryer of the present invention. A perspective view showing another embodiment of the chamber, FIG. 8 is a plan view of the same as above, and FIG. 9 is a part of a double duct 'which is compared with a double duct used in the dryer of the present invention. Fig. 10 is a partially cutaway side view of an embodiment of the double duct used in the dryer of the present invention, Fig. 11 is an enlarged front view of the same double duct, Fig. 12 Figure 10 is an enlarged cross-sectional view taken along the line IV-IV. Figure 13 is Figure 10 is an enlarged view taken along the line V-V.
U K ひ、 OMPI 端面図である。 UK Hi, OMPI It is an end elevation.

Claims

請 求 の 範 囲 The scope of the claims
(1) 乾燥室と、 新鮮空気を吸引 しこれを乾燥室に供給す  (1) Drying room and sucking fresh air and supplying it to the drying room
る新鮮空気送風ラ イ ンと 、 前記の乾燥室か らの排風を 処理するための排風処理装置と 、 前記の乾燥室 よ の 排風を前記の排風処理装置に導 く 排風ラ ィ ン と前記の 排風処理装置か ら出る高温の清浄ガ スを逃がす清浄ガ ス送風ラ イ ン と前記の三つ の ラ イ ン の少な く と も 一つ の風量を制御する風量制御手段と を含み、 前記の乾燥 室へ送 !) 込む熱風源 と して新鮮空気のみを用いる よ う に し、 そして、 前記の新鮮空気は、 前記の排風処理装  A fresh air blowing line, an exhaust processing device for processing exhaust air from the drying chamber, and an exhaust line for guiding exhaust air from the drying chamber to the exhaust processing device. And a clean gas blowing line for releasing high-temperature clean gas from the exhaust air treatment device, and an air volume control means for controlling at least one of the three lines. Including and sent to the drying room described above! In this case, only fresh air is used as a hot air source, and the fresh air is supplied to the exhaust air treatment device.
¾か ら出る高温の清狰ガ ス と の熱交換に よ つ て加熱さ れる こ と を特徵とする乾燥機。  A dryer characterized in that it is heated by heat exchange with high-temperature cleaning gas that comes out of water.
(2) 前記の清狰ガ スは、 新鮮空気の'他に前記の排風を も (2) The above-mentioned cleaning gas has the above-mentioned exhaust air in addition to the fresh air.
• 加熱、 保温するために用い られる こ と を特徵とする請 ' 求の範囲第 1 項記載の乾燥機 9 • The dryer described in Paragraph 1 of the claim, which is used for heating and keeping heat 9
(3) 前記の排風ラ イ ンを構成する ダグ.、ト は、 前記の清狰  (3) Dougs, which constitute the exhaust line,
ガ ス或いは新鮮空気を 、 又は、 その両者をその外周に 沿わせて流すこ と に よ ]? 、 保温される請求の範囲第 1  By flowing gas or fresh air, or both, along its outer periphery.]?
項記載の乾燥機。  Dryer according to the item.
(4) 前記の風量制御手段は、 前記乾燥室の室内温度に応  (4) The air volume control means responds to the room temperature of the drying chamber.
じて前記の新鮮空気の吹き込み量を増減 し乾燥室の温 度コ ン ト 口 /レ を行う 請求の範囲第 1 項記載の乾燥機。  2. The dryer according to claim 1, wherein the amount of the fresh air blown is increased or decreased to perform the temperature control of the drying chamber.
(5) 前記の風量制御手段は、 前記乾燥室内の有機物質の  (5) The air volume control means includes:
ガ ス濃度に応じて前記の新鮮空気の吹き込み量及び前 記の排風の排風量を増減 して乾燥室の有機物質 度コ ン ト 口 一 'ノレを行う 請求の範囲第 1 項記載の乾燥機。 Increase or decrease the amount of fresh air and the amount of exhaust air as described above according to the gas concentration, and The dryer according to claim 1, wherein the drying is performed.
(6) 前記の乾燥室は、 その室内の気体を吸い込んで被乾 .燥物品に向けて吹き 出す気体吸 込み吹き 出 し装置を 備える と と も に、 上記熱風の吹き 出 し口は、 上記気体 吸い込み吹き 出 し装置の動作時に生じる室内気体の循 環路に臨み、 かつ、 その幅方向に長 く な つ ている こ と を特徵とする請求の範囲第 1 項記載の乾燥機。  (6) The drying chamber is provided with a gas suction blow-out device that sucks gas in the room and blows out the dried object, and the hot air blow-out port is provided with 2. The dryer according to claim 1, wherein the dryer faces a circulation path of room gas generated during operation of the gas suction and blow-off device and is elongated in a width direction thereof.
(7) 前記の排風ラ イ ンを構成するダ ク ト は、 管体と、 そ の両端に取付け られたフ ラ ン ジと 、 上記管体の外側に その全長にわたる流体の流通路を構成する よ う に、 上 記管体を部分的または全周にわた つて外套する外套体 と、 上記流通路を外方に開放させる よ う に、 上記両フ ラ ン ジに穿設された孔部とか らな る請求の範囲第 3 項 (7) The duct constituting the exhaust line includes a pipe, a flange attached to both ends thereof, and a fluid flow path outside the pipe and extending over its entire length. In order to open the above-mentioned pipe partly or entirely, the outer jacket body and the holes formed in both the flanges so as to open the above-mentioned flow passage outward. Claim 3 consisting of
-記載の乾燥機。 -The dryer described.
__ΟΚΡ1 __ΟΚΡ1
PCT/JP1979/000164 1978-06-26 1979-06-26 Dryer WO1980000183A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP78/77651 1978-06-26
JP7765178A JPS556114A (en) 1978-06-26 1978-06-26 Method of setting flow of incoming air and outgoing air dryer

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Publication Number Publication Date
WO1980000183A1 true WO1980000183A1 (en) 1980-02-07

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Cited By (7)

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EP0022935A1 (en) * 1979-07-21 1981-01-28 Kraftanlagen AG. Method and apparatus for drying green malt
EP0177774A2 (en) * 1984-09-10 1986-04-16 Lohmann GmbH & Co. KG Apparatus for drying web materials
EP0273230A2 (en) * 1986-12-23 1988-07-06 Brückner Trockentechnik GmbH & Co. KG Process and apparatus for the continuous thermal treatment of a moving textile web
EP0533286A1 (en) * 1991-09-19 1993-03-24 MASTER s.a.s. di Ronchi Francesco & C. Oxidation intensifier for continuous warp-chain indigo dyeing machines for denim fabric and the like
EP0794012A1 (en) * 1995-10-04 1997-09-10 Taikisha, Ltd. Paint drying oven
EP0803296A1 (en) * 1995-10-03 1997-10-29 Taikisha, Ltd. Paint drying oven
EP1076218A1 (en) * 1999-08-11 2001-02-14 EISENMANN MASCHINENBAU KG (Komplementär: EISENMANN-Stiftung) Dryer for a painting installation

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JPS5784976A (en) * 1980-11-15 1982-05-27 Matsushita Electric Works Ltd Heating system of dryer

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US3757427A (en) * 1970-10-30 1973-09-11 B & K Machinery Int Ltd Method and apparatus for drying solvents
JPS5023519U (en) * 1973-06-28 1975-03-17
US3942264A (en) * 1972-11-09 1976-03-09 Kurt Zenkner Method for thermal afterburning of exhaust air from industrial working plants and device for carrying out this method
JPS52111283A (en) * 1976-03-15 1977-09-17 Matsushita Electric Works Ltd Control method for exhaust gas concentration

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3437321A (en) * 1966-05-27 1969-04-08 B & K Machinery Int Ltd Regenerative paint drying system for continuous strip
US3757427A (en) * 1970-10-30 1973-09-11 B & K Machinery Int Ltd Method and apparatus for drying solvents
US3942264A (en) * 1972-11-09 1976-03-09 Kurt Zenkner Method for thermal afterburning of exhaust air from industrial working plants and device for carrying out this method
JPS5023519U (en) * 1973-06-28 1975-03-17
JPS52111283A (en) * 1976-03-15 1977-09-17 Matsushita Electric Works Ltd Control method for exhaust gas concentration

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0022935A1 (en) * 1979-07-21 1981-01-28 Kraftanlagen AG. Method and apparatus for drying green malt
EP0177774A2 (en) * 1984-09-10 1986-04-16 Lohmann GmbH & Co. KG Apparatus for drying web materials
EP0177774A3 (en) * 1984-09-10 1987-09-09 Lohmann Gmbh & Co Kg Apparatus for drying web materials
EP0273230A2 (en) * 1986-12-23 1988-07-06 Brückner Trockentechnik GmbH & Co. KG Process and apparatus for the continuous thermal treatment of a moving textile web
EP0273230A3 (en) * 1986-12-23 1989-01-04 Bruckner Trockentechnik Gmbh & Co. Kg Process and apparatus for the continuous thermal treatment of a moving textile web
US5337586A (en) * 1991-09-19 1994-08-16 Master S.A.S. Di Ronchi Francesco & C. Oxidation intensifier for continuous warp-chain indigo dyeing machines
EP0533286A1 (en) * 1991-09-19 1993-03-24 MASTER s.a.s. di Ronchi Francesco & C. Oxidation intensifier for continuous warp-chain indigo dyeing machines for denim fabric and the like
EP0803296A1 (en) * 1995-10-03 1997-10-29 Taikisha, Ltd. Paint drying oven
EP0803296A4 (en) * 1995-10-03 1998-01-28 Taikisha Kk Paint drying oven
US5868562A (en) * 1995-10-03 1999-02-09 Kaikisha Ltd. Paint drying furnace
CN1079705C (en) * 1995-10-03 2002-02-27 株式会社大气社 Paint drying oven
EP0794012A1 (en) * 1995-10-04 1997-09-10 Taikisha, Ltd. Paint drying oven
EP0794012A4 (en) * 1995-10-04 1999-02-03 Taikisha Kk Paint drying oven
EP1076218A1 (en) * 1999-08-11 2001-02-14 EISENMANN MASCHINENBAU KG (Komplementär: EISENMANN-Stiftung) Dryer for a painting installation
US6418636B1 (en) 1999-08-11 2002-07-16 Eisermann Maschinenbau Kg Drier for a lacquering line

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