KR102376308B1 - Drying of sludge and drying method thereof - Google Patents

Abstract

The present invention is a condenser-type cologne drying device (D) that can perform an efficient drying function by increasing heat transfer by maximizing the contact property of a building while making indirect contact by a steam method, the support provided on both sides of the base frame A paddle is formed in a spiral direction around the inner periphery while having both ends fitted in the cap to rotate, and steam generated during drying is removed from the top of the flange of the inlet outer end while rotating by the first driving means in the middle. A driving dryer made by forming a steam outlet pipe to discharge to; a fixed drying container in which both support caps are respectively connected to the outside to extend and communicate with the driving drying barrel, the drying barrel having an inlet to be dried on the upper inlet side and a drying product outlet being formed in the lower part of the outlet side; a rotating shaft forming a through hole so that steam enters and exits while being axially installed at the center of the inlet end and the outlet end of the fixed drying barrel to be rotated by a second driving means; steam distribution and supply means respectively formed inside the inlet side end and the outlet side end of the fixed drying barrel to distribute and supply steam flowing in through the through hole of the rotating shaft; It is a technology provided in a configuration including a steam heating means for drying and gradually moving the object to be dried by having both ends fastened and fixed to both flanges respectively provided at the inner ends of the steam distribution and supply means to rotate along a rotation axis.

Description

Condenser type quill drying device {Drying of sludge and drying method thereof}

The present invention is an invention in the technical field of a condenser-type quill drying apparatus that can dry organic waste such as food waste, livestock manure, sludge, and the like so that it can be used for the purpose of weight reduction, such as feed and organic fertilizer.

In general, various types of systems have been proposed as drying furnace-type organic waste drying devices. Mostly, by rotating the drying furnace to which the hot air of combustion heat provided from the burner is supplied, the organic material injected into the drying furnace is transported attached to the inner surface of the drying furnace. It consists of a system that is dried by the process of being transported while being dilute by the blades.

In Utility Model Registration No. 20-0298229, a technology related to drying equipment for organic waste such as food waste, condensing vapor including odor generated from the dryer during the food waste treatment process in the technology related to food waste condensate treatment and exhaust gas fermenter supply equipment The condensate is separated into condensed water and flue gas, and the condensed water is transferred to an evaporator for treatment. The flue gas is supplied as air to the lower part of the compost fermenter through a transfer pipe, supplying air necessary for the fermentation process, and removing odors through microorganisms in the fermenter. , Since this flue gas is supplied to the fermenter at a temperature of about 40 to 60 ° C, there is proposed a condensate treatment device for food waste and a fermenter supply device for waste gas, which prevents the temperature loss of the compost fermenter and maintains good fermentation conditions in the fermenter.

In another registered patent No. 10-1151121 technology, a high-temperature and high-pressure treatment device for generating a slurry-like material by high-temperature and high-pressure treatment of organic waste in a related technology for a treatment facility and a treatment method for organic waste, and a dewatering solid product by dehydrating the slurry-like material An organic waste treatment facility comprising a dehydration treatment device for recovering , and a water treatment device for purifying the separated liquid separated by the dehydration treatment device, comprising: a crushing device for crushing the organic waste prior to high-temperature and high-pressure treatment; , a steam blowing means for blowing steam into the organic waste in the high-temperature and high-pressure processing device is installed in the high-temperature and high-pressure processing device, and the high-temperature and high-pressure processing device continuously supplies the organic waste with steam blowing from the steam blowing means It is formed as a continuous reactor that reacts while heating, pressurizing and stirring, and the water treatment device is provided with a membrane separation treatment device for separating and treating the residual solids in the separation solution as a concentrate through a separation membrane. have been

However, the drying furnace of the above structure provided in the prior art has a fairly large external appearance, and is a method of increasing the temperature of the internal air by hot air, so that not only is a large loss of heat, but also the drying process is dried in the form of a lump during the drying process when the object to be dried is transported In addition to being easy to become, there is a problem in that the surface area in contact with heat is reduced.

In addition, in order to provide a heat source to the inside of the drying furnace, there has been a problem in that the object to be dried is burned by combustion heat provided by the burner or pollutants such as soot come into contact with the object to be dried and only be operated in a continuous manner.

This application was devised to solve the problems of the organic waste drying apparatus of the prior art, and provides a heat source through a plurality of heating tubes by steam or heating medium inside the drying furnace to increase thermal contact and recover and recycle the heat source. A condenser type quill drying device applied to increase drying efficiency by maximizing the contact surface area of heat by breaking down the lumps during transport of the object to be dried and increasing the drying efficiency in this way is provided. have a purpose

The present invention has been proposed to implement the above object, and its characteristic configuration is as follows.

a driving dryer having both ends fitted to the support caps provided on both sides on the base frame so as to be rotated, forming paddles in a spiral direction around the inner periphery, and rotating by the first driving means in the middle portion;

While connecting and extending to the outside of the support cap to communicate with the drying barrel, an inlet to be dried is formed in the upper part of the inlet side, and a drying product outlet is formed in the lower part of the outlet side. a fixed drying tank forming a steam gas discharge pipe to discharge steam, etc. to the outside;

a rotating shaft forming a through hole so that steam enters and exits while being axially installed at the center of the inlet end and the outlet end of the fixed drying barrel to be rotated by a second driving means;

steam distribution and supply means having an interlocking shaft coupled to a rotation shaft drawn out into the inside of the inlet side end and the outlet side end of the fixed drying barrel on the outside, and fixing a flange at the inner end to form a steam distribution chamber therein;

Steam heating means for drying and gradually moving the object to be dried by rotating both ends of the flanges respectively provided at the inner ends of the steam distribution and supply means to be fastened and fixed to rotate along a rotation axis; is made including

The steam heating means,

Each of the steam heating tubes is configured to communicate with the steam distribution chambers located on the inlet and outlet sides while radially arranged steam heating tubes are respectively installed on the other flanges of both ends connected to the flanges of the steam distribution and supply means, and the radially The object of the present invention can be realized by continuously forming transfer blades around the arranged steam heating tube so that the inputted dry matter is transferred by rotation.

Therefore, the present technology is a drying method of organic waste using a condenser type cologne drying device, and the organic waste provided on the base frame and put into the drying bin rotated by the driving means is dried by the heat source supplied to the drying bin and discharged. As a technique using the drying device (D) that is applied so as to be possible, both ends are fitted to the support caps provided on both sides of the base frame and provided to rotate, forming paddles in a spiral direction around the inner periphery, and the first driving means in the middle The driving drying tube is formed by forming a steam outlet pipe to discharge the steam generated during drying on the upper part of the flange at the outer end of the inlet side while rotating by the It is formed to communicate and has a fixed drying bin having an inlet for drying in the upper part of the inlet and an outlet for drying in the lower part of the outlet. Steam distribution and supply means for distributing and supplying a rotating shaft which is respectively pivoted to rotate and forms a through hole through which steam enters and exits, and is respectively formed inside the inlet side end and the outlet side end of the fixed drying barrel to distribute and supply steam flowing in through the through hole of the rotating shaft And each end is fastened to both flanges provided on the inner end of the steam distribution and supply means to rotate along the axis of rotation to form a condenser-type quill drying device having a steam heating means for gradually moving the object to be dried. It is a technology that can be implemented as a drying method of organic waste using a condenser-type cologne drying device including a configuration applied to dry the object to be dried by using it.

The present invention provides an effect of reducing heat loss by providing a heat source through a plurality of heating tubes using steam or a heating medium in a drying furnace to increase thermal contact while recovering and recycling the heat source, and transferring the object to be dried The effect of improving drying efficiency by maximizing the contact surface area of heat by crushing the ash mass, and indirect contact by the steam-type superheated steam, by maximizing the contactability of the drying material, thereby increasing the heat transfer. It provides the effect of performing an efficient drying function.

In addition, the present invention has the effect of being able to perform a drying function without an air pollution prevention facility in a steam method, thereby preventing air pollution, and reducing the manufacturing cost and maintenance cost according to the air pollution prevention facility.

1 is a front view showing the overall configuration of the present invention;
Figure 2 is an enlarged side view of Figure 1
Figure 3 is an enlarged view of the line AA of Figure 1;
4 is a block diagram showing the main part of the present invention;
5 is a configuration diagram showing a steam heating means in the present invention;

With reference to the accompanying drawings, an embodiment of the present invention will be described in detail so that those of ordinary skill in the art to which the present invention pertain can easily carry out the present invention, but the drawings presented herein illustrate an application example of a technical configuration will say that it is only

Figure 1 is a front view showing the overall configuration of the present invention, Figure 2 is a side view of Figure 1, Figure 3 is an enlarged view of the line AA of Figure 1, Figure 4 is a configuration diagram showing the main part of the present invention, Figure 5 shows a configuration diagram showing a steam heating means in the present invention, and the present technology will be described in detail with reference to these drawings.

As shown in FIG. 1 , the drying device D provided long on the base frame 10 includes a driving drying trough 20 , fixed drying troughs 30A and 30B, rotating shafts 40A and 40B, first and second The driving means 50 and 60, steam distribution and supply means 70, and steam heating means 80 are included. Since it is installed inside the fixed drying tanks 30A and 30B, it is shown in FIG.

The drive dryer 20 is provided with both ends fitted to the support caps 21 provided at both ends on the base frame 10 so as to be rotated while being supported by the support rollers 22 on both sides in the middle state. Paddle ( 23) is installed.

The first driving means (50) drives the driving gear (52) meshed from below with the driven gear (53) provided around the middle portion of the driving dryer barrel (20) by the driving motor (51) to drive the power transmission path. The drive dryer 20 is configured to rotate.

The fixed drying troughs 30A and 30B are respectively formed to communicate with the driving drying trough 20 by flanges connected to the outer ends of the support cap 21, and the to-be-dried object inlet 31 is provided at the upper portion located at the inlet side. A vapor gas outlet pipe (34) is formed and a dry matter outlet (32) is formed in the lower part of the outlet side, and also the vapor gas outlet pipe (34) to form

The rotation shafts (40A, 40B) have through holes (41) so that steam enters and exits while being rotated by the second driving means (60) at the center of the inlet side end and the outlet side end of the fixed drying barrel 30, respectively. to form

A steam input connection member (90A) for supplying steam to the through hole (41) is provided at the outer end of the rotation shaft (40A) on the inlet side, and a steam discharge connection member (90B) is provided on the rotation shaft (40B) on the exit side, respectively. Thus, it can be recycled by connecting the steam discharge connection member 90B on the outlet side to the steam supply device (S), or it can be connected to a separate condensing means by a line to condense and then discharge to the outside.

The second driving means (60) rotates the driven chain gear (63) axially installed on the rotation shaft (40A) provided on the inlet side and the main chain gear (62) hung with a chain by driving the driving motor (61). The coaxial 40A is made to rotate.

The steam distribution and supply means 70 is provided with a flange ( 72) is fixed to form a steam distribution chamber 73 therein.

A communication hole 71a is formed in the interlocking shaft 71 coupled to the rotation shaft 40A, 40B to communicate with the through hole 41 of the rotation shaft 40A, 40B, and the supplied steam is supplied to the steam distribution chamber 73 . formed to flow into

The steam heating means 80 is steam heating arranged radially on another flange 81 provided at both ends so as to be fastened and fixed to both flanges 73 provided at the inner ends of the steam distribution and supply means 70, respectively. It is configured to communicate with the pipe 82 and the steam distribution chamber 73 so as to be rotated by the rotation of the rotation shaft 40A.

The steam heating means 80 rotates in the opposite direction to the rotation direction of the driving drying barrel 20 to increase the heating residence time, and between the flanges 81 provided at both ends of the steam heating means 80 . A gap maintaining plate 84 is provided to support and support the steam heating tube 82 provided radially to the steam heating tube 82 at regular intervals while maintaining the spacing therebetween.

By providing the transfer blades 83 around the radially arranged steam heating tube 82, as the steam heating means 80 rotates together, the inputted dry matter is transferred by rotation.

The steam heating tube 82, the driving drying tube 20, the paddle 23, etc. are preferably coated on the outer surface to prevent the drying object from sticking together.

The mutual operation state will be described with respect to the present invention having such a configuration.

When the driving motor 41 of the first driving means 50 rotates the driving drying barrel 20 and at the same time the rotating shaft 40A rotates by the driving of the second driving means 60, the rotating shafts 40A and 40B ) and the steam distribution supply means 70 and the steam heating means 80 connected to the interlocking shaft 71 are simultaneously driven.

And when the steam supplied by the separately provided steam supply device (S) is supplied through the steam input connection member (90A), it flows into the steam distribution chamber (73) through the through hole (41) formed in the rotation shaft (40A), , As the steam distribution chamber 73 is distributed and supplied to each steam heating tube 82 radially connected to the flanges 72 and 81, a heat source is generated in each steam heating tube 82 and the steam heating tube ( Steam passing through 82 may be sent to the steam supply device (S) through the steam discharge connection member (90B) or sent to the condenser.

In this way, when a steam heat source is provided inside the driving drying bin 20 and the organic waste to be dried is continuously inputted to the inlet of the fixed drying bin 30 through the inlet 31 as a transfer conveyor, it rotates while being arranged in a long radial direction. The object to be dried, which is heated while being in contact with each steam heating tube 82 and is simultaneously fed by the transfer screw 83, is transferred to the driving drying tube 20, and the object to be dried is transferred to the paddle 23 and the transfer blade 83. A drying process of heating by contact with each steam heating tube 82 is performed while being stirred and transported.

Here, when an object to be dried is introduced into the driving drying trough 20, the driven drying trough 20 rotates to flow the to-be-dried and at the same time, a paddle formed in a spiral direction at regular intervals around the inner surface of the driving drying trough 20. A plurality of steam heating tubes arranged radially while crushing lumps generated in the drying process by the rotation of the transfer blades 83 formed in the steam heating means 80 rotating opposite to the 23 and the driving drying tube 20 Since contact is made to (82), the drying function is efficiently performed by maximizing the contact area.

By the above process, the drying process is continuously performed by the process of gradually stirring and transporting the to-be-dried object, and when the to-be-dried object reaches the fixed drying trough 30B at the rear end, the dried object is discharged through the outlet 32 to the outside. It can be applied to the process of being discharged and discharged to a conveying conveyor.

Water vapor generated during drying in the driving dryer 20 is discharged to the outside through the steam outlet pipe 34 formed in the fixed drying tank 30A on the inlet side or processed through a separate connection line.

As described above, the present invention provides an efficient drying function by increasing the heat transfer effect while maximizing the contactability of the drying object by means of the steam heating tube arranged in multiple stages to the drying object being transported while being indirectly contacted by the steam method as described above. It is a technique that is applied to be able to perform it.

20: drive drying bin 21: support cap
23: paddle 30A, 30B: fixed drying bin
40A, 40B: rotation shaft 41: through hole
50, 60: driving means 70: steam distribution means
71: interlocking shaft 71a: through hole
73: steam distribution chamber 80: steam heating means
82: steam heating tube 83: transfer blade
84: gap maintaining plate

Claims (4)

In the drying apparatus which is provided on a base frame and is applied to be discharged by drying organic waste inputted to a drying bin to be rotated by a driving means by a heat source provided inside the drying bin,
The drying device is provided with both ends of the support caps 21 provided on both sides of the base frame 10 to be rotated while forming paddles 23 in a spiral direction around the inner periphery, and a first driving means ( 50) while rotating by the inlet side outer end flange 33, the driving drying tube 20 made by forming a steam outlet pipe 34 so as to discharge the steam generated during drying to the outside;
The both support caps 21 are respectively connected/extended to the outside and are respectively formed to communicate with the driving drying barrel 20, the to-be-dried object inlet 31 is formed in the upper part of the inlet side, and the drying material outlet 32 is formed in the lower part of the outlet side. Fixed drying barrels formed (30A, 30B);
A rotation shaft 40 which is installed so as to be rotated by the second driving means 60 at the center of the inlet end and the outlet end of the fixed drying barrels 30A and 30B, and forms a through hole 41 for steam to enter and exit. ;
The steam distribution and supply means 70 are respectively formed inside the inlet side end and the outlet side end of the fixed drying barrels 30A and 30B to distribute and supply the steam flowing in through the through hole 41 of the rotation shaft 40. It has an interlocking shaft 71 coupled with a rotation shaft 40 drawn out into the inside of the inlet side end and the outlet side end of the fixed drying barrels 30A and 30B, respectively, and a flange 72 is fixed to the inner end to distribute steam therein. forming a thread 73;
Both ends are fastened and fixed to both sides of the flanges 72 provided at the inner ends of the steam distribution and supply means 70, and rotated along the rotation shaft 40. Steam heating means 80 for drying and moving the object to be dried. ) is such that the steam heating tube 82 radially arranged on another flange at both ends connected to the flange 33 of the steam distribution and supply means 70 communicates with the steam distribution chamber 73 located at the inlet and outlet sides. The steam heating tube 82 is provided with a gap maintaining plate 84 at regular intervals, and the conveying blades 83 are continuously formed around the steam heating tube 82 to agitate the inputted dry matter. Condenser-type cologne drying apparatus, characterized in that it comprises a configuration applied to be transferred slowly. delete delete In the drying method of organic waste using a condenser type cologne drying device,
Drying devices (D) that are provided on the base frame and applied to dry and discharge organic wastes fed into the drying trough rotated by the driving means by the heat source supplied to the inside of the drying bin are provided on both sides of the base frame 10 The paddle 23 is formed in a spiral direction around the inner periphery while both ends are fitted to the support cap 21 and rotated, and rotated by the first driving means 50 in the middle part of the inlet side outer end flange ( 33), a driving drying tank 20 formed by forming a steam outlet pipe 34 to discharge the steam generated during drying to the outside, and
The both support caps 21 are respectively connected to the outside to extend and communicate with the driving drying barrel 20, and the to-be-dried object inlet 31 is formed in the upper part of the inlet side, and the dried article outlet 32 is formed in the lower part of the outlet side. The formed fixed drying bins (30A, 30B) and
A rotation shaft 40 that is installed to be rotated by a second driving means 60 at the center of the inlet end and outlet end of the fixed drying barrel 30A, 30B, and forms a through hole 41 so that steam enters and exits. class
Steam distribution and supply means 70 for distributing and supplying the steam introduced through the through hole 41 of the rotation shaft 40, respectively formed inside the inlet side end and the outlet side end of the fixed drying barrels 30A and 30B, are fixed It has an interlocking shaft 71 coupled to a rotation shaft 40 drawn out into the inside of the inlet side end and the outlet side end of the drying barrels 30A and 30B, respectively, and a flange 72 is fixed to the inner end of the steam distribution chamber inside. to form (73),
Steam heating means (80) for both ends to be fastened and fixed to both sides of the flanges (72) provided on the inner ends of the steam distribution and supply means (70), to rotate along the rotation shaft (40), and to dry and move the object to be dried (80). ) is such that the steam heating tube 82 radially arranged on another flange at both ends connected to the flange 33 of the steam distribution and supply means 70 communicates with the steam distribution chamber 73 located at the inlet and outlet sides. The steam heating tube 82 is provided with a gap maintaining plate 84 at regular intervals, and the conveying blades 83 are continuously formed around the steam heating tube 82, so that the inputted dry matter is gradually transferred while being stirred. Drying of organic waste using a condenser-type cologne drying device, characterized in that it comprises a configuration that is applied to dry the object to be dried using the condenser-type cologne drying device in a configuration including the steam heating means (80) method.

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