CN213901751U

CN213901751U - Straw air dryer for biomass fuel particle manufacturing

Info

Publication number: CN213901751U
Application number: CN202023307772.XU
Authority: CN
Inventors: 武立军
Original assignee: Woyang Nongxin Agricultural Technology Co ltd
Current assignee: Woyang Nongxin Agricultural Technology Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-08-06
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses a straw air dryer is used in biomass fuel particle manufacturing relates to air-dry equipment technical field, including base, cylinder mechanism, circulation heating mechanism, base top one end is provided with the fixing base No. one, the top of fixing base No. one is provided with a feeding section of thick bamboo. The utility model discloses a set up drying drum, the stoving cabin, the rose box, filter the storehouse, the circulation air heater, the aspiration channel, the exhaust pipe, the drain pipe, the fixed bolster, the connecting pipe, the annular piece, the bracing piece, the heated air circulation flow can be realized to toper cap and filter, can produce hot-blastly through the circulation air heater and provide the heat source for drying drum, carry out hot-blast meeting area vapor entering filtration storehouse of heat absorption stoving to the straw, can filter vapor through the filter, it can be inhaled and the retransmission carries out air-dry operation to the stoving under-deck by the circulation air heater to filter the hot-blast meeting of vapor, can effectively utilize hot-blast surplus temperature to lack the work consumption of circulation air heater through mutually supporting of above a plurality of parts.

Description

Straw air dryer for biomass fuel particle manufacturing

Technical Field

The utility model relates to a straw air dryer is used in biomass fuel particle manufacturing, specifically is a straw air dryer is used in biomass fuel particle manufacturing.

Background

The biomass granular fuel is formed by processing crushed straws, sawdust and the like, finally biological granules are produced, and the biomass granular fuel has the advantages of high combustion value, less smoke and less pollution, is widely accepted as novel granular fuel by unique advantages, has economic advantages and environmental protection benefits compared with the traditional fuel, completely meets the requirements of sustainable development, the biomass granular fuel forming technology in China is still in the development and research stages, equipment and technology need to be further developed and perfected, and in the process of manufacturing the biomass granular fuel granules, the straw raw materials need to be air-dried.

Present straw drying device, cartridge heater internal seal, produce more moisture during the stoving, can only be through the large-scale fan of one end installation at the cartridge heater, blow off the inside air that contains moisture of cartridge heater from the other end of cartridge heater, this in-process, when needing to provide the energy for large-scale fan, not only contain moisture in the air that blows off, still contain a large amount of heat energy, the cartridge heater need continuous heating to compensate, make the device during operation need consume a large amount of energy, influence the rational utilization of the energy.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a biomass fuel is straw air dryer for granule manufacturing to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a straw air dryer for manufacturing biomass fuel particles comprises a base, a roller mechanism and a circulating heating mechanism, wherein a first fixed seat is arranged at one end of the top end of the base, a feeding cylinder is arranged at the top end of the first fixed seat, a feeding hopper is arranged at the top end of the feeding cylinder, the circulating heating mechanism is positioned above the feeding cylinder, a second fixed seat is arranged at one end, far away from the first fixed seat, of the top end of the base, a discharging cylinder is arranged at the top end of the second fixed seat, a driving roller and a driven roller are arranged at the middle positions of the first fixed seat and the second fixed seat at the top end of the base, the driven rollers are positioned at two ends of the driving roller, a motor connected with the driving roller is arranged at one end, positioned at the top end of the driving roller, of the roller, two ends of the roller mechanism are respectively connected with, and the contact positions of the feeding cylinder, the discharging cylinder and the roller mechanism are provided with connecting bearings.

As a further aspect of the present invention: the roller mechanism comprises a drying roller, a first annular guide rail, a second annular guide rail, a connecting shaft, a fixing column, a spiral hob and an arc-shaped guide plate, wherein the outer walls of two ends of the drying roller are mutually sleeved with the inner wall of a connecting bearing, the outer wall of the connecting bearing is respectively mutually sleeved with the inner walls of a feeding cylinder and a discharging cylinder, the first annular guide rail and the second annular guide rail are positioned on the side surface of the outer wall of the drying roller, the second annular guide rail is positioned at two ends of the first annular guide rail, the bottom outer wall of the first annular guide rail is sleeved with the top inner wall of a driving roller, the bottom outer wall of the second annular guide rail is sleeved with the top inner wall of a driven roller, a drying cabin is arranged inside the drying roller, the connecting shaft, the fixing column and the arc-shaped guide plate are positioned inside the drying cabin, the fixing column is positioned on the side surface of the outer wall of the connecting shaft, and one side of the fixing column, which is far away from the connecting shaft, is fixedly connected with the inner wall of the drying cabin, the spiral hob is located on the side face of the inner wall of the drying cabin, one end, far away from the fixing column, of the connecting shaft penetrates through the interior of the discharging cylinder and is connected with the spiral hob, and the spiral hob is located on the side face of the outer wall of the connecting shaft.

As a further aspect of the present invention: the circulating heating mechanism comprises a filter box, a circulating air heater, an air suction pipe, an exhaust pipe, a drain pipe, a fixed support, connecting pipes and a filter plate, wherein the filter box is positioned above the feeding cylinder and at one end of the feeding hopper, the fixed support and the connecting pipes are positioned at the bottom end of the outer wall of the filter box, the fixed support is positioned at two sides of the connecting pipes, the bottom end of the fixed support is connected with the top end of the base and positioned at two sides of a fixed seat, the bottom end of the fixed support penetrates through the feeding cylinder, a filter bin is arranged inside the filter box, the filter plate is positioned inside the filter bin, an annular block is sleeved at the top end of the connecting pipe penetrating through the filter bin, a support rod is arranged at the top end of the annular block, a conical cap is arranged at the top end of the support rod, the conical cap is positioned below the filter plate, and the drain pipe is positioned at one side of the outer wall of the filter box, the circulation air heater is located the outer wall top of rose box, the aspiration channel is located circulation air heater's input, the exhaust pipe is located circulation air heater's output.

As a further aspect of the present invention: spiral hob between the outer wall and the inner wall diameter phase-match of a feeding section of thick bamboo, the quantity of arc guide plate is provided with a plurality ofly, and is a plurality of arc guide plate uses drying cylinder as central evenly distributed on the inner wall in stoving cabin, the one end that drying cylinder was kept away from to the bin stock section of thick bamboo inner wall is close to bottom position department and is provided with the discharge gate.

As a further aspect of the present invention: the one end that circulation air heater was kept away from to the aspiration channel runs through to filtering inside the storehouse, the one end that circulation air heater was kept away from to the exhaust pipe extends to the one end that the drying roller was kept away from to the row silo and runs through to row silo inside.

As a further aspect of the present invention: the bottom diameter of conical cap is greater than the top diameter of connecting pipe, the outer wall of filter and the inner wall phase-match in crossing the filter storehouse, the quantity of filter is provided with a plurality ofly, and is a plurality of the filter is vertical distribution.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the drying drum, the drying cabin, the filter box, the filter cabin, the circulating air heater, the air suction pipe, the exhaust pipe, the drain pipe, the fixed support, the connecting pipe, the annular block, the supporting rod, the conical cap and the filter plate are arranged, so that hot air can flow in a circulating manner, hot air can be generated by the circulating air heater to provide a heat source for the drying drum, hot air for absorbing heat and drying straws can bring steam into the filter cabin, the steam can be filtered by the filter plate, the hot air with the steam filtered out can be sucked by the circulating air heater and transmitted into the drying cabin again for air drying operation, and the residual hot air temperature can be effectively utilized through the mutual matching of the parts, so that the work consumption of the circulating air heater is reduced;

2. can realize the quick air-dry of straw through setting up initiative gyro wheel, driven gyro wheel, motor, drying drum, stoving cabin, circular guide, No. two circular guide, connecting axle, fixed column, spiral hob and arc guide plate, can realize drying drum's rotation through mutually supporting of initiative gyro wheel, driven gyro wheel, motor, circular guide, No. two circular guide, drying drum passes through the fixed column. The connecting axle can drive spiral hob and rotate, and spiral hob can stir the garrulous straw and transmit it to the stoving under-deck, can drive the straw through the arc guide plate and turn and transmit forward, can effectively improve the air-dry efficiency of straw through mutually supporting of above a plurality of parts.

Drawings

FIG. 1 is a schematic structural diagram of a straw air dryer for biomass fuel pellet production;

FIG. 2 is an exploded view of a straw air dryer for biomass fuel pellet manufacture;

FIG. 3 is a cross-sectional exploded view of a circulating heating mechanism of a straw air dryer for biomass fuel pellet production;

FIG. 4 is an enlarged view of a straw air dryer for biomass fuel pellet production at position A;

FIG. 5 is a cross-sectional exploded view of a roller mechanism of a straw air dryer for biomass fuel pellet manufacture;

FIG. 6 is a sectional view showing the structure of a discharge cylinder of a straw air dryer for biomass fuel pellet production.

In the figure: 1. a base; 2. a first fixed seat; 3. a second fixed seat; 4. a driving roller; 5. a driven roller; 6. a motor; 7. a drum mechanism; 701. drying the roller; 7011. a drying chamber; 702. a first annular guide rail; 703. a second annular guide rail; 704. a connecting shaft; 705. fixing a column; 706. a spiral hob; 707. an arc-shaped guide plate; 8. a feeding cylinder; 9. a discharge cylinder; 901. a discharge port; 10. a feed hopper; 11. a circulating heating mechanism; 1101. a filter box; 11011. a filtering bin; 1102. a circulating air heater; 1103. an air suction pipe; 1104. an exhaust duct; 1105. a drain pipe; 1106. fixing a bracket; 1107. a connecting pipe; 11071. a ring block; 11072. a support bar; 11073. a conical cap; 1108. a filter plate; 12. and connecting the bearing.

Detailed Description

Please refer to fig. 1-6, in an embodiment of the present invention, a straw air dryer for biomass fuel particle manufacturing, includes a base 1, a roller mechanism 7, a circulation heating mechanism 11, one end of the top end of the base 1 is provided with a first fixing seat 2, the top end of the first fixing seat 2 is provided with a feeding cylinder 8, the top end of the feeding cylinder 8 is provided with a feeding hopper 10, the circulation heating mechanism 11 is located above the feeding cylinder 8, one end of the top end of the base 1, which is far away from the first fixing seat 2, is provided with a second fixing seat 3, the top end of the second fixing seat 3 is provided with a discharging cylinder 9, the middle positions of the top end of the base 1, which is located at the first fixing seat 2 and the second fixing seat 3, are provided with a driving roller 4 and a driven roller 5, the driven rollers 5 are located at two ends of the driving roller 4, one end of the top end of the base 1, which is located at the driving roller 4, is provided with a motor 6 connected with the driving roller 4, two ends of the roller mechanism 7 are respectively connected with the feeding cylinder 8, The discharging cylinder 9 is connected with and positioned right above the driving roller 4 and the driven roller 5, and the contact positions of the feeding cylinder 8 and the discharging cylinder 9 and the roller mechanism 7 are provided with connecting bearings 12.

This kind of straw air dryer is used in biomass fuel particle manufacturing, inside straw raw materials accessible feeder hopper 10 got into a feeding section of thick bamboo 8, later air-dried the operation through cylinder mechanism 7, and the straw after air-drying is discharged through arranging a material section of thick bamboo 9 at last to realize the flow drying operation of straw.

In fig. 2 and 5: the roller mechanism 7 comprises a drying roller 701, a first annular guide rail 702, a second annular guide rail 703, a connecting shaft 704, a fixed column 705, a spiral hob 706 and an arc-shaped guide plate 707, the outer walls of the two ends of the drying roller 701 are mutually sleeved with the inner wall of a connecting bearing 12, the outer wall of the connecting bearing 12 is respectively sleeved with the inner walls of a feeding cylinder 8 and a discharging cylinder 9, the first annular guide rail 702 and the second annular guide rail 703 are positioned on the side surface of the outer wall of the drying roller 701, the second annular guide rail 703 is positioned at the two ends of the first annular guide rail 702, the outer wall of the bottom end of the first annular guide rail 702 is sleeved with the inner wall of the top end of a driving roller 4, the outer wall of the bottom end of the second annular guide rail 703 is sleeved with the inner wall of the top end of a driven roller 5, a drying cabin 7011 is arranged inside the drying roller 701, the connecting shaft 704, the fixed column 705 is positioned inside the drying cabin 7011, one side of the fixed column 705, which is far away from the connecting shaft 704, is fixedly connected with the inner wall of the drying chamber 7011, the spiral hob 706 is located on the side surface of the inner wall of the drying chamber 7011, one end of the connecting shaft 704, which is far away from the fixed column 705, penetrates into the discharging cylinder 9 and is connected with the spiral hob 706, and the spiral hob 706 is located on the side surface of the outer wall of the connecting shaft 704.

This kind of straw air dryer for biomass fuel particle manufacturing can air-dry the operation to the straw through cylinder mechanism 7, can realize drying roller 701's rotation through mutually supporting of initiative gyro wheel 4, ring rail 702, driven gyro wheel 5, No. two ring rail 703, can drive the straw upset through drying roller 701's rotation, can effectively improve the air-dry efficiency of structure.

In FIGS. 1 to 4: the circulating heating mechanism 11 comprises a filter box 1101, a circulating hot air blower 1102, an air suction pipe 1103, an exhaust pipe 1104, a drain pipe 1105, a fixed support 1106, a connecting pipe 1107 and filter plates 1108, wherein the filter box 1101 is positioned above the feeding cylinder 8 and at one end of the feeding hopper 10, the fixed support 1106 and the connecting pipe 1107 are positioned at the bottom end of the outer wall of the filter box 1101, the fixed support 1106 is positioned at two sides of the connecting pipe 1107, the bottom end of the fixed support 1106 is connected with the top end of the base 1 and positioned at two sides of the first fixed seat 2, the bottom end of the fixed support 1106 penetrates into the feeding cylinder 8, a filter bin 11011 is arranged inside the filter box 1101, the filter plates 1108 are positioned inside the filter bin 11011, an annular block 11071 is sleeved inside the filter bin 11011 at the top end of the connecting pipe 1107, a support rod 11072 is arranged at the top end of the annular block 11071, a conical cap 11073 is arranged at the top end of the support rod 11072, the conical cap 11073 is positioned below the filter plate 1108, the drain pipe 1105 is positioned at one side of the outer wall of the filter box 1101, the circulation air heater 1102 is located at the top end of the outer wall of the filter box 1101, the air suction pipe 1103 is located at the input end of the circulation air heater 1102, and the exhaust pipe 1104 is located at the output end of the circulation air heater 1102.

This kind of straw air dryer for biomass fuel particle manufacturing can provide heat source and wind-force transmission for the air-drying of straw through circulation air heater 1102, can filter the vapor of straw stoving in-process through rose box 1101, can effectively improve the drying efficiency of straw.

In fig. 2, 5, 6: the outer walls of the spiral hobs 706 are matched with the diameter of the inner wall of the feeding cylinder 8, a plurality of arc guide plates 707 are arranged, the arc guide plates 707 are uniformly distributed on the inner wall of the drying cabin 7011 by taking the drying roller 701 as a center, and a discharge hole 901 is formed in the position, close to the bottom end, of one end, far away from the drying roller 701, of the inner wall of the discharge cylinder 9.

According to the straw air dryer for manufacturing the biomass fuel particles, straws inside the feeding cylinder 8 can be smashed through rotation of the spiral hob 706, the straws are conveyed into the drying roller 701, and the air-dried straws can be discharged through the discharge hole 901.

In FIGS. 1 to 6: the end of the air suction pipe 1103 away from the hot air circulation blower 1102 penetrates into the filter bin 11011, and the end of the air exhaust pipe 1104 away from the hot air circulation blower 1102 extends to the end of the material discharge cylinder 9 away from the drying roller 701 and penetrates into the material discharge cylinder 9.

According to the straw air dryer for manufacturing the biomass fuel particles, the circulating hot air blower 1102 can suck air in the filter bin 11011 through the air suction pipe 1103 and heat the air, the heated air can be transmitted to the interior of the discharge cylinder 9 through the exhaust pipe 1104 and enters the drying cabin 7011, and the straws in the drying cabin 7011 are heated and air-dried.

In FIGS. 2 to 3: the bottom diameter of conical cap 11073 is greater than the top diameter of connecting pipe 1107, and the outer wall of filter 1108 and the inner wall phase-match of filtering storehouse 11011, the quantity of filter 1108 are provided with a plurality ofly, and a plurality of filters 1108 are vertical distribution from top to bottom.

This kind of straw air dryer is used in biomass fuel particle manufacturing can filter the vapor in the steam through a plurality of filter plates 1108, can avoid the water droplet that condenses on the filter plate 1108 to flow back to inside connecting pipe 1107 through conical cap 11073.

The utility model discloses a theory of operation is: when the straw air dryer for manufacturing biomass fuel particles is used, the circulating hot air blower 1102 can be started to preheat the interior of the drying roller 701, the circulating hot air blower 1102 sucks air through the air suction pipe 1103 to heat the air, the heated air is transmitted to the interior of the discharge cylinder 9 through the exhaust pipe 1104 and flows into the interior of the drying cabin 7011, so that the temperature in the interior of the drying cabin 7011 can be increased, then the straws are placed into the interior of the feeding cylinder 8 through the feeding hopper 10, the motor 6 is started simultaneously, the motor 6 can drive the driving roller 4 to rotate, the drying roller 701 can be driven to rotate through the friction force between the driving roller 4 and the first annular guide rail 702, the drying roller 701 can be stably rotated through the mutual matching of the second annular guide rail 703 and the driven roller 5, the drying roller 701 can drive the spiral hob 706 to rotate through the fixed column 704 and the connecting shaft 704, the spiral hob 706 can stir and transmit the straws 705 falling into the interior of the feeding cylinder 8 to the drying cabin 7011, the crushed straws can be dried quickly, the straws enter the drying cabin 7011 to contact with hot air generated by the circulating hot air blower 1102, moisture contained in the straws can be heated and evaporated and taken away by the hot air, so that the drying operation of the straws is realized, the straws can be continuously turned under the action of the arc-shaped guide plate 707 and move towards the discharge cylinder 9 in the process, finally, the dried straws can be discharged through the discharge port 901, meanwhile, the hot air with water vapor can enter the feeding cylinder 8 and enter the filtering cabin 11011 through the connecting pipe 1107, the water vapor of the hot air with the water vapor can be intercepted by the filtering plate 1108 when the hot air with the water vapor contacts the filtering plate 1108, the water vapor is condensed and accumulated in the filtering cabin 11011, finally, the hot air with the water vapor filtered can be intensively discharged through the drain pipe 1105, the hot air with the water vapor filtered can be sucked by the circulating hot air blower 1102 and heated and transmitted to the drying cabin 7011 again, the hot air residual heat can be fully utilized through the hot air circulation, and the working energy consumption of the circulating hot air blower 1102 is effectively reduced.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A straw air dryer for biomass fuel particle manufacturing comprises a base (1), a roller mechanism (7) and a circulating heating mechanism (11), and is characterized in that one end of the top end of the base (1) is provided with a first fixing seat (2), the top end of the first fixing seat (2) is provided with a feeding cylinder (8), the top end of the feeding cylinder (8) is provided with a feeding hopper (10), the circulating heating mechanism (11) is positioned above the feeding cylinder (8), one end of the top end of the base (1), which is far away from the first fixing seat (2), is provided with a second fixing seat (3), the top end of the second fixing seat (3) is provided with a discharging cylinder (9), the top end of the base (1) is positioned at the middle positions of the first fixing seat (2) and the second fixing seat (3) and is provided with a driving roller (4) and a driven roller (5), and the driven roller (5) is positioned at two ends of the driving roller (4), the automatic material feeding and discharging device is characterized in that a motor (6) connected with the driving roller (4) is arranged at one end, located on the driving roller (4), of the top end of the base (1), a roller mechanism (7) is arranged at two ends of the base and is connected with a feeding cylinder (8) and a discharging cylinder (9) respectively and located right above the driving roller (4) and a driven roller (5), and a connecting bearing (12) is arranged at the contact position of the feeding cylinder (8) and the discharging cylinder (9) and the roller mechanism (7).

2. The straw air dryer for the biomass fuel particle manufacturing according to claim 1, wherein the roller mechanism (7) comprises a drying roller (701), a first annular guide rail (702), a second annular guide rail (703), a connecting shaft (704), a fixing column (705), a spiral hob (706) and an arc-shaped guide plate (707), outer walls of two ends of the drying roller (701) are sleeved with inner walls of a connecting bearing (12), outer walls of the connecting bearing (12) are sleeved with inner walls of a feeding cylinder (8) and a discharging cylinder (9) respectively, the first annular guide rail (702) and the second annular guide rail (703) are located on side surfaces of outer walls of the drying roller (701), the second annular guide rail (703) is located at two ends of the first annular guide rail (702), and outer walls of a bottom end of the first annular guide rail (702) are sleeved with inner walls of a top end of the driving roller (4), the outer wall of the bottom end of the second annular guide rail (703) is sleeved with the inner wall of the top end of the driven roller (5), a drying cabin (7011) is arranged inside the drying roller (701), the connecting shaft (704), the fixing column (705) and the arc-shaped guide plate (707) are located inside the drying cabin (7011), the fixing column (705) is located on the side face of the outer wall of the connecting shaft (704), one side, far away from the connecting shaft (704), of the fixing column (705) is fixedly connected with the inner wall of the drying cabin (7011), the spiral hob (706) is located on the side face of the inner wall of the drying cabin (7011), one end, far away from the fixing column (705), of the connecting shaft (704) penetrates through the inside of the discharging barrel (9) to be connected with the spiral hob (706), and the spiral hob (706) is located on the side face of the outer wall of the connecting shaft (704).

3. The straw air dryer for the biomass fuel particle manufacturing according to claim 1, wherein the circulating heating mechanism (11) comprises a filter box (1101), a circulating air heater (1102), an air suction pipe (1103), an exhaust pipe (1104), a drain pipe (1105), a fixed support (1106), a connecting pipe (1107) and filter plates (1108), the filter box (1101) is located above the feeding cylinder (8) and at one end of the feeding hopper (10), the fixed support (1106) and the connecting pipe (1107) are located at the bottom end of the outer wall of the filter box (1101), the fixed support (1106) is located at two sides of the connecting pipe (1107), the bottom end of the fixed support (1106) is connected with the top end of the base (1) and located at two sides of the first fixed seat (2), the bottom end of the fixed support (1106) penetrates into the feeding cylinder (8), and a filter bin (11011) is arranged inside the filter box (1101), the filter (1108) is located inside filtering storehouse (11011), the top of connecting pipe (1107) is run through to filtering storehouse (11011) inside annular piece (11071) of having cup jointed, annular piece (11071) top is provided with bracing piece (11072), bracing piece (11072) top is provided with conical cap (11073), conical cap (11073) are located the below of filter (1108), drain pipe (1105) are located the outer wall one side of rose box (1101), circulation air heater (1102) are located the outer wall top of rose box (1101), aspiration channel (1103) are located the input of circulation air heater (1102), exhaust pipe (1104) are located the output of circulation air heater (1102).

4. The straw air dryer for the biomass fuel particle production as claimed in claim 2, wherein the outer walls of the spiral hob (706) are matched with the diameter of the inner wall of the feeding cylinder (8), a plurality of arc-shaped guide plates (707) are provided, the plurality of arc-shaped guide plates (707) are uniformly distributed on the inner wall of the drying cabin (7011) by taking the drying roller (701) as the center, and a discharge hole (901) is provided at a position close to the bottom end of one end of the inner wall of the discharge cylinder (9) far away from the drying roller (701).

5. The straw air dryer for biomass fuel particle production according to claim 3, wherein one end of the air suction pipe (1103) far away from the circulating hot air blower (1102) penetrates inside the filter bin (11011), and one end of the air exhaust pipe (1104) far away from the circulating hot air blower (1102) extends to one end of the material discharge barrel (9) far away from the drying drum (701) and penetrates inside the material discharge barrel (9).

6. The straw air dryer for the biomass fuel particle production as claimed in claim 3, wherein the diameter of the bottom end of the conical cap (11073) is larger than that of the top end of the connecting pipe (1107), the outer wall of the filter plate (1108) is matched with the inner wall of the filter bin (11011), the number of the filter plates (1108) is multiple, and the filter plates (1108) are vertically distributed.