CN111188227B - Solar paper pulp molding and drying equipment - Google Patents
Solar paper pulp molding and drying equipment Download PDFInfo
- Publication number
- CN111188227B CN111188227B CN202010171095.9A CN202010171095A CN111188227B CN 111188227 B CN111188227 B CN 111188227B CN 202010171095 A CN202010171095 A CN 202010171095A CN 111188227 B CN111188227 B CN 111188227B
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- fan blade
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- 238000001035 drying Methods 0.000 title claims abstract description 95
- 238000000465 moulding Methods 0.000 title claims abstract description 22
- 229920001131 Pulp (paper) Polymers 0.000 title claims abstract description 5
- 238000004321 preservation Methods 0.000 claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 230000000712 assembly Effects 0.000 claims abstract description 16
- 238000000429 assembly Methods 0.000 claims abstract description 16
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 230000001360 synchronised effect Effects 0.000 claims description 17
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 238000010438 heat treatment Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 4
- 238000007664 blowing Methods 0.000 description 4
- 239000003245 coal Substances 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000004064 recycling Methods 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 239000010893 paper waste Substances 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Classifications
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21J—FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
- D21J5/00—Manufacture of hollow articles by transferring sheets, produced from fibres suspensions or papier-mâché by suction on wire-net moulds, to couch-moulds
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B15/00—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form
- F26B15/10—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions
- F26B15/12—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined
- F26B15/18—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined the objects or batches of materials being carried by endless belts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/005—Treatment of dryer exhaust gases
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses solar paper pulp molding drying equipment, which comprises a drying box, a net chain conveyor belt, a solar hot water tank, a radiator, a dehumidifier, a pipeline and a primary pulp Chi Heping-row blower; the drying box is provided with a preheating zone, a high-temperature zone, a heat preservation zone and drying tunnels penetrating through the zones, and the net chain conveyor belt is paved in the drying tunnels; independent parallel blowers and radiators are arranged below the mesh chain conveyor belt of each temperature zone, independent dehumidifying ports and dehumidifiers are arranged at the tops of the mesh chain conveyor belts, the solar hot water tank is connected with the radiators of the high temperature zone, the dehumidifiers of the high temperature zone are respectively connected with the radiators of the preheating zone and the heat preservation zone through pipelines, and the dehumidifiers of the preheating zone and the heat preservation zone are connected with the primary pulp pool through pipelines; the parallel air feeder is arranged above the radiator, and each parallel air feeder comprises a plurality of fan blade assemblies which are arranged in parallel, and the fan blade assemblies are connected in series and supply air upwards. The scheme is energy-saving and environment-friendly, reduces drying cost, fully uses heat energy, can uniformly dry paper and plastic, and accelerates production efficiency.
Description
Technical Field
The invention relates to the technical field of pulp molding production, in particular to pulp molding solar drying equipment.
Background
Pulp molding is a stereoscopic papermaking technique. The waste paper is used as raw material, and paper products with certain shapes are molded by special molds on a molding machine, so that the demand of China for pulp molding (hereinafter referred to as paper molding) is increasing due to the fact that the raw material is waste paper.
The paper-plastic manufacturing process comprises the working procedures of pulping, adsorption molding, drying and shaping, and the like, and the drying and shaping is that the paper-plastic production contains a large amount of water after the adsorption molding working procedure is finished, so that the drying speed of the drying and shaping becomes a key factor for accelerating the paper-plastic production efficiency. Most of the earliest small factories and enterprises sun-dry paper and plastic by sunlight, and then begin to blow the paper and plastic by using a fan blade assembly, the method is called a natural wind dry method, is one of the common modes of the existing paper and plastic drying, and has the defects that the paper and plastic can be dried only in 12-24 hours at normal temperature, the occupied area is large, the drying time is too long, and the production requirement cannot be met; another common way of drying paper and plastic is a combustion chamber drying method, and the adopted drying technology is to utilize coal combustion heating air or electric heating and natural gas combustion heating to provide a drying heat source so as to directly dry the paper and plastic, so that the aim of quick drying is achieved, but the heating way has large carbon emission, so that environmental pollution is caused and the environmental protection cost of enterprises is increased; and the heating of coal, electricity and natural gas can generate great energy consumption, and the production cost of paper and plastic is increased intangibly.
At present, the two methods are basically adopted for paper and plastic production, and the drying mode of the method is behind, so that the requirement of automatic production cannot be met, a large amount of labor is required to participate in the production process, and the difficulty of increasing the scale of enterprises is increased; in addition, most of the equipment in the combustion chamber drying method has large temperature change and uneven heating in the drying process of paper and plastic, the paper and plastic are easy to deform in the drying process, and the fan blade component and the air duct in the equipment are also required to be reasonably installed, otherwise, the highest drying efficiency cannot be ensured.
In view of the above, the present invention has been developed.
Disclosure of Invention
The invention aims to provide pulp molding drying equipment taking solar energy as a heat source, which is energy-saving and environment-friendly, not only can fully use heat energy, but also can uniformly dry paper and plastic, ensure good forming of the paper and plastic, and accelerate production efficiency.
To achieve the above object, the solution of the present invention is: a solar paper pulp molding drying device comprises a drying box, a net chain conveyor belt, a solar hot water tank, a radiator, a dehumidifier, a pipeline and a primary pulp Chi Heping-row blower; the drying box is sequentially provided with a preheating zone, a high-temperature zone, a heat preservation zone and drying channels penetrating through the zones, and the net chain conveyor belt is paved in the drying channels; independent parallel blowers and radiators are arranged below the net chain conveyor belts of the preheating zone, the high-temperature zone and the heat preservation zone, independent dehumidifying ports and a dehumidifier arranged at the dehumidifying ports are arranged at the top positions of the drying boxes, the solar hot water tank is connected with the radiators of the high-temperature zone, the dehumidifier of the high-temperature zone is respectively connected with the radiators of the preheating zone and the heat preservation zone through pipelines, and the radiators of the preheating zone and the heat preservation zone and the dehumidifier are connected with a primary pulp pool through pipelines; the parallel blowers are positioned above the radiator, each parallel blower comprises a plurality of fan blade assemblies which are arranged in parallel, and the fan blade assemblies are connected in series and supply air upwards.
Preferably, the preheating zone comprises a low temperature zone and a middle temperature zone, the heat preservation zone comprises a middle temperature zone and a low temperature zone, the two middle temperature zones are positioned at two sides of the high temperature zone, and the low temperature zone is arranged next; the dehumidifier in the high temperature area is connected with the radiators in the medium temperature area and the low temperature area through pipelines, the dehumidifier in the medium temperature area is connected with the radiator in the low temperature area through pipelines, and the radiator in the low temperature area and the dehumidifier in the low temperature area are connected with the primary pulp pool through pipelines.
Preferably, the top of each temperature zone is separated by a partition plate.
Preferably, the parallel blower further comprises a motor, a synchronous belt pulley and a synchronous belt, the fan blade assembly comprises a fan blade and a rotating shaft, the rotating shaft is fixed with the fan blade, the rotating shaft and a motor shaft of the motor are respectively provided with the synchronous belt pulley, and the two synchronous belt pulleys are connected through the synchronous belt.
Preferably, the fan blade assembly further comprises a bracket, a bearing and a bearing seat; the bearing is fixed on the rotating shaft and is installed in the bearing seat, the bearing seat is installed on the support, and the support and the drying box are fixed together.
Preferably, the support is designed to be vertical.
Preferably, each fan blade assembly is independently externally provided with a fan cover.
Preferably, the device further comprises a supporting foot rest, and two ends of the net chain conveyor belt are respectively provided with a supporting foot rest.
Preferably, a valve is arranged in the pipeline between the previous dehumidifier and the next radiator.
After the scheme is adopted, the gain effect of the invention is as follows:
1. The drying box is divided into a plurality of temperature areas, so that paper and plastic can sequentially pass through a preheating stage, a high-temperature stage and a heat preservation stage when being conveyed by the net chain conveyor belt through the drying box, and as the paper and plastic is rich in a large amount of water at first, the paper and plastic are directly conveyed into a high-temperature environment to cause serious deformation of the paper and plastic and reduce the temperature of the high-temperature area, the paper and plastic are preheated in the preheating area and then conveyed into the high-temperature stage, the paper and plastic can be kept to be completely dried and molded, and finally the paper and plastic are subjected to heat preservation through the heat preservation zone, so that the drying cost is greatly reduced, and the quality of the paper and plastic is improved.
2. The dehumidifier of the high temperature area is respectively connected with the radiators of the preheating area and the heat preservation area through pipelines, the temperatures of the preheating area and the heat preservation area are lower, the heat of the steam evaporated in the high temperature area can be fully released to the preheating area and the heat preservation area, the paper plastic in the preheating area and the heat preservation area is heated, the heating is equivalent to the heat energy circulation system, the heating source is opened to throttle, the heat energy loss is prevented, and finally the steam passing through the radiators of the preheating area and the heat preservation area is condensed into liquid water to be recycled into a primary pulp pool, so that the evaporated steam in the paper plastic drying process is fully recycled, and zero emission is realized. According to actual tests, after passing through the heat energy circulation system, the required drying energy is saved by more than 30% compared with the traditional drying equipment.
3. The parallel air feeder is positioned below the mesh chain conveyor belt and above the radiator, after the air is heated by the heat emitted by the radiator, the parallel air feeder is used for parallel blowing the paper and plastic arranged on the mesh chain conveyor belt, the parallel air is respectively wind power parallel and running parallel, the wind power parallel refers to parallel arrangement of the fan blade components, so that the wind power uniformly blows hot air to dry the paper and plastic, the running parallel refers to serial connection among the fan blade components, even if one fan blade component stalls, the other fan blade components stall together, uneven drying of the paper and plastic caused by uneven wind power is prevented, the paper and plastic products are prevented from being damaged, and the motor power of the fan is reduced.
4. The fan blade assembly is arranged below the net chain conveyor belt and is used for blowing air from bottom to top, the law of upward movement of heated air, moisture and water vapor is met, the water vapor reaches the top of the drying box and is pumped out through the dehumidifier at the top, the humidity of the air in the drying tunnel is reduced, water in paper plastic is utilized to be emitted as soon as possible, and the drying efficiency is improved.
5. The invention benefits from the improvement of the utilization rate of energy sources by the heat source circulation system, so that the invention does not need to burn a large amount of coal or supply a large amount of power to manufacture heat sources, even if enough heat can be generated only by solar energy, the solar energy is more environment-friendly, the national environmental protection policy is practiced, and when no solar energy is used for providing heat energy, other heat sources are needed to be assisted for providing heat energy.
Drawings
FIG. 1 is a schematic front view of an embodiment of the present invention.
Fig. 2 is a schematic top view of an embodiment of the present invention (with the parallel blower and support legs omitted).
Fig. 3 is a right side view of an embodiment of the present invention (the supporting leg is omitted).
FIG. 4 is a schematic front view of a fan assembly according to an embodiment of the present invention.
FIG. 5 is a schematic top view of a fan assembly according to an embodiment of the present invention.
Description of the reference numerals: 1-a drying box; 11-a preheating zone; 111, 131-low temperature zone; 112, 132-medium temperature zone; 12-a high temperature zone; 13-a heat preservation area; 14-drying tunnel; 15-a dehumidifying port; 16-dividing plates; 2-a mesh chain conveyor belt; 21-a feed inlet; 22-a discharge hole; 3-a solar hot water tank; 4-a heat sink; 5-dehumidifier; 6-piping; 61-valve; 7-a primary pulp pool; 8-parallel blowers; 81-fan blade components; 811-fan blades; 812-a spindle; 82-an electric motor; 83-a synchronous pulley; 84-synchronous belt; 85-brackets; 86-bearing; 87-bearing seats; 88-fan housing; 9-support foot rest.
Detailed Description
The invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 3, the invention provides a solar pulp molding drying device, which comprises a drying box 1, a net chain conveyor belt 2, a solar hot water tank 3, a radiator 4, a dehumidifier 5, a pipeline 6, a primary pulp tank 7, a parallel blower 8 and a supporting foot rest 9; the drying box 1 is sequentially provided with a preheating zone 11, a high-temperature zone 12, a heat preservation zone 13 and a drying tunnel 14 penetrating through each zone, and the net chain conveyor belt 2 is paved in the drying tunnel 14; the preheating zone 11, the high temperature zone 12 and the heat preservation zone 13 are provided with independent parallel blowers 8 and radiators 4 below the net chain conveyor belt 2, the top of each zone of the drying box 1 is provided with an independent dehumidifying port 15 and a dehumidifier 5 arranged on the dehumidifying port 15, the solar hot water tank 3 is arranged outdoors and is connected with the radiator 4 of the high temperature zone 12 through a pipeline 6, the solar hot water tank 3 and the radiator 4 of the high temperature zone 12 circularly complete the supply of heat energy of the high temperature zone, in one embodiment, the preheating zone 11 comprises a low temperature zone 111 and a medium temperature zone 112, the heat preservation zone 13 comprises a medium temperature zone 132 and a low temperature zone 131, the two medium temperature zones 112 and 132 are positioned at two sides of the high temperature zone 12, and the low temperature zones 111 and 131 are arranged next; the dehumidifier of the high temperature region 12 is connected to the radiator 4 of the medium temperature region 112,132 and the radiator of the low temperature region 111,131 through a pipe 6 (the pipe for connecting the dehumidifier of the high temperature region to the radiator of the low temperature region is not shown in the figure), the dehumidifier 5 of the medium temperature region 112,132 is connected to the radiator 4 of the low temperature region 111,131 through a pipe, and the radiator 4 of the low temperature region 111,131 and the dehumidifier 5 are connected to the stock tank 7 through a pipe 6. The pipeline 6 between the previous dehumidifier 5 and the next radiator 4 can be provided with a valve 61 for convenient control. Of course, the drying box 1 of the present invention may also be designed with a plurality of preheating zones 11, a plurality of high temperature zones 12, and a plurality of heat preservation zones 13. The steam evaporated in the high temperature area is sent to the radiators of the middle temperature area and the low temperature area to provide heat energy for the middle temperature area and the low temperature area, and the steam in the middle temperature area is sent to the radiator of the low temperature area to provide heat energy for the low temperature area. The paper plastic can sequentially pass through a low temperature stage, a medium temperature stage, a high temperature stage, a medium temperature stage and a low temperature stage when being transported by the net chain conveyor belt 2 through the drying box 1, and the paper plastic is firstly rich in a large amount of water, and is directly fed into a high temperature environment to cause serious deformation of the paper plastic and reduce the temperature of a high temperature region, so that the low temperature stage and the medium temperature stage are equivalent to gradual preheating of the paper plastic, the temperature is close to the temperature of the high temperature region, the paper plastic can be kept to be completely dried and molded after being preheated and then is fed into the high temperature stage, finally, the water content in the paper plastic is further reduced through the medium temperature region, and finally, the temperature difference between the temperature of the paper plastic and the room temperature after drying is reduced through the low temperature region, so that moisture absorption of the paper plastic in the room temperature is prevented when the temperature of the paper plastic is high. The invention not only greatly reduces the drying cost, but also improves the drying quality of paper and plastic.
The parallel blowers 8 are located above the radiator 4, and each parallel blower 8 includes a plurality of parallel fan blade assemblies 81, as shown in fig. 3 to 5, where the fan blade assemblies 81 are distributed in a single row, multiple rows and multiple columns according to the requirement under the precondition of being uniformly arranged, in this embodiment, 4 fan blade assemblies 81 are taken as an example, 4 fan blade assemblies 81 are arranged around forming a square with uniform distance, and the fan blade assemblies 81 are connected in series and supply air upwards. The parallel forced draught blower 8 is installed below the net chain conveyor belt 2 and is located above the radiator 4, circulating air with uniform air speed is provided for drying paper and plastic products, heat on the surface of the radiator 4 is taken away, the paper and plastic products are not easy to damage, in addition, a bottom-up blowing mode is adopted, the law of upward movement of heated air, moisture and water vapor is met, the circulating air blows the water vapor evaporated by the paper and plastic upwards, the water vapor is heated and moves upwards under the action of upward wind force, the water vapor moves upwards, the top of the drying box 1 is reached, the moisture extractor 5 at the top of the drying box 1 extracts the water vapor and moist heat air from the moisture extraction opening 15 at the top of the drying channel 14, the humidity of the air in the drying channel 14 is reduced, and the water in the paper and plastic is utilized to be emitted as soon as possible.
To prevent air, moisture, and water vapor streams, the top of each of the temperature zones is separated by a divider plate 16, and the length of the divider plate 16 must not be too long because the space below the divider plate 16 is also used for normal transport of paper and plastic. The dehumidifier 5 of the high temperature area 12 is respectively connected with the radiators 4 of the preheating area 11 and the heat preservation area 13 through the pipeline 6, the temperatures of the preheating area 11 and the heat preservation area 13 are lower than those of the high temperature area 12, the paper and plastic in the drying box 1 are preheated and heated by utilizing the steam evaporated in the paper and plastic drying, which is equivalent to the built-in heat energy circulation system, the utilization rate of energy sources is improved, the cost of the paper and plastic drying is reduced, and finally the steam which passes through the radiators 4 of the preheating area 11 and the heat preservation area 13 is condensed into liquid water to be recycled into the primary pulp tank 7, so that the whole recycling and the recycling of the steam in the paper and plastic drying are realized, the heat recycling is realized, and the steam recycling is also realized. According to actual tests, after passing through the heat energy circulation system, the required drying energy is saved by more than 30% compared with the traditional drying equipment.
The transmission structure of the parallel blower 8 may be sprocket transmission or pulley transmission, and in an embodiment, a pulley transmission with a relatively simple structure is selected as an example, the parallel blower 8 further includes a motor 82, a synchronous pulley 83, and a synchronous belt 84, the fan blade assembly 81 includes a fan blade 811 and a rotating shaft 812, the rotating shaft 812 is fixed with the fan blade 811, the rotating shaft 812 and a motor shaft of the motor 82 are respectively provided with the synchronous pulley 83 in a sleeved mode, and the two synchronous pulleys 83 are connected through the synchronous belt 84. The structure can realize that a motor 82 drives a plurality of fan blade assemblies 81 to be simultaneously opened and closed, the radiator 4 circulates through the solar hot water tank 3 and then heats air, moisture and water vapor, then the air is blown to the paper plastic on the net chain conveyor belt 2 in parallel by the parallel blower 8, the parallel is wind power parallel and running parallel respectively, the wind power parallel means that the fan blade assemblies 81 are placed in parallel, the wind power uniformly blows the air, the moisture and the water vapor to dry the paper plastic, the running parallel means that the fan blade assemblies 81 are connected in series, and even one fan blade assembly 81 stops rotating, the other fan blade assemblies 81 stop rotating together, the uneven drying of the paper plastic caused by uneven wind power is prevented, the damage of the paper plastic products can be avoided, and the power of the motor 82 of the fan is reduced. The motor 82 may be disposed outside the drying apparatus to prevent the corrosion of the motor 82 by moisture, which is advantageous for the service life of the motor 82 to be prolonged. Of course, the synchronous belts 84 of the parallel blowers 8 can be combined for use, and the same motor 82 is used for driving, so that the rotation speeds of the fan blade assemblies 81 are the same, and the power of the motor 82 is reduced due to the small wind pressure provided by the circulating wind in the drying tunnel 14.
The fan blade assembly 81 is fixed with the rotating shaft 812, and the rotating shaft 812 and the bearing 86 through set screws.
The fan assembly 81 is blowing upwards, and the rotating shaft 812 thereof needs a certain bearing capacity, for this purpose, in one embodiment, the fan assembly 81 further includes a bracket 85, a bearing 86 and a bearing seat 87; the bearing 86 is fixed on the rotating shaft 812, the bearing 86 is installed in the bearing seat 87, the bearing seat 87 is installed on the support 85, and the support 85 is fixed with the drying box 1. The support 85 of the present invention is particularly designed to be vertical, because the vertical support 85 can reduce the lateral area to the maximum extent, and is beneficial to maximizing the heat dissipation and air supply efficiency.
Each fan blade assembly 81 is independently externally provided with a fan housing 88, so that interference between adjacent fan blades 811 is avoided, radial influences of diameters of the adjacent fan blades 811 can be isolated, and uniform delivery of wind power is ensured.
As shown in fig. 1, two ends of the mesh-chain conveyor belt 2 are respectively provided with a feed inlet 21 and a discharge outlet 22, the front end and the rear end of the drying tunnel 14 are provided with a certain length, the insulation between a warm area and the external room temperature is facilitated, the mesh-chain conveyor belt 2 mainly conveys produced paper and plastic into the drying box 1 for heating and drying, two ends of the mesh-chain conveyor belt 2 are respectively provided with a supporting foot rest 9, and the whole drying equipment is supported by the supporting foot rest 9. The fan housing 88 and the bracket 85 are welded on the box body of the drying box 1 in the middle of the mesh chain conveyor belt 2, and the radiator 4 is arranged at the bottom in the drying tunnel 14 through the radiator bracket.
The invention uses solar energy in paper-plastic drying equipment, protects the environment, reduces the drying cost of paper-plastic, and can generate enough heat even if the solar energy is only used, because the heat source circulation system is beneficial to improving the utilization rate of energy, the invention does not need to burn a large amount of coal or supply a large amount of power to manufacture a heat source. In the heat recovery process, the drying box is divided into a high-temperature area, a heat preservation area and a preheating area, heat generated by the solar water heater is exchanged to the high-temperature area of the drying tunnel through the radiator, each temperature area is separated by the partition plate, and the high-temperature area and other temperature areas are subjected to heat exchange only through the pipeline.
The above embodiments are only preferred embodiments of the present invention, and are not limited to the present invention, and all equivalent changes made according to the design key of the present invention fall within the protection scope of the present invention.
Claims (8)
1. The solar paper pulp molding and drying equipment is characterized by comprising a drying box, a net chain conveyor belt, a solar hot water tank, a radiator, a dehumidifier, a pipeline and a primary pulp Chi Heping-row blower; the drying box is sequentially provided with a preheating zone, a high-temperature zone, a heat preservation zone and drying channels penetrating through the zones, and the net chain conveyor belt is paved in the drying channels; independent parallel blowers and radiators are arranged below the net chain conveyor belts of the preheating zone, the high-temperature zone and the heat preservation zone, independent dehumidifying ports and a dehumidifier arranged at the dehumidifying ports are arranged at the top positions of the drying boxes, the solar hot water tank is connected with the radiators of the high-temperature zone, the dehumidifier of the high-temperature zone is respectively connected with the radiators of the preheating zone and the heat preservation zone through pipelines, and the radiators of the preheating zone and the heat preservation zone and the dehumidifier are connected with a primary pulp pool through pipelines;
The parallel blowers are positioned above the radiator, each parallel blower comprises a plurality of fan blade assemblies which are arranged in parallel, and the fan blade assemblies are connected in series and supply air upwards;
The preheating zone comprises a low-temperature zone and a medium-temperature zone, the heat preservation zone comprises a medium-temperature zone and a low-temperature zone, the two medium-temperature zones are positioned at two sides of the high-temperature zone, and the low-temperature zone is arranged next to the two medium-temperature zones; the dehumidifier in the high temperature area is connected with the radiators in the medium temperature area and the low temperature area through pipelines, the dehumidifier in the medium temperature area is connected with the radiator in the low temperature area through pipelines, and the radiator in the low temperature area and the dehumidifier in the low temperature area are connected with the primary pulp pool through pipelines.
2. A solar pulp molding drying apparatus as defined in claim 1, wherein said tops of each of said temperature zones are separated by a divider plate.
3. The solar pulp molding and drying device according to claim 1, wherein the parallel blower further comprises a motor, a synchronous pulley and a synchronous belt, the fan blade assembly comprises a fan blade and a rotating shaft, the rotating shaft is fixed with the fan blade, the rotating shaft and a motor shaft of the motor are respectively provided with the synchronous pulley, and the two synchronous pulleys are connected through the synchronous belt.
4. A solar pulp molding drying apparatus as defined in claim 3, wherein said fan blade assembly further comprises a bracket, a bearing and a bearing housing; the bearing is fixed on the rotating shaft and is installed in the bearing seat, the bearing seat is installed on the support, and the support and the drying box are fixed together.
5. A solar pulp molding drying apparatus as defined in claim 4, wherein said stand is vertically configured.
6. A solar pulp molding drying apparatus as defined in claim 1, wherein each said fan blade assembly is independently externally mounted with a fan housing.
7. The solar pulp molding drying apparatus of claim 1, further comprising a support stand, wherein both ends of the mesh-chain conveyor belt are respectively provided with a support stand.
8. A solar pulp molding drying apparatus as defined in claim 1, wherein a conduit between said previous dehumidifier and said next heat sink is provided with a valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010171095.9A CN111188227B (en) | 2020-03-12 | 2020-03-12 | Solar paper pulp molding and drying equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010171095.9A CN111188227B (en) | 2020-03-12 | 2020-03-12 | Solar paper pulp molding and drying equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111188227A CN111188227A (en) | 2020-05-22 |
| CN111188227B true CN111188227B (en) | 2024-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010171095.9A Active CN111188227B (en) | 2020-03-12 | 2020-03-12 | Solar paper pulp molding and drying equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111188227B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211922086U (en) * | 2020-03-12 | 2020-11-13 | 厦门达兴昌包装材料有限公司 | Solar energy paper pulp molding drying equipment |
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| CN109186103A (en) * | 2018-07-10 | 2019-01-11 | 上海理工大学 | Solar thermal collector heat preservation utilizes and residual heat drying integrated apparatus |
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