A municipal road garbage treatment composting device

Abstract

The application relates to a municipal road garbage treatment composting device which comprises a shell, a fermentation tank fixedly connected in the shell, a lower hopper fixedly connected at the bottom of the fermentation tank, a mounting frame slidably connected in the lower hopper, two butt plates clamped on the mounting frame, a filter structure comprising a clamping plate and a fine filter screen fixed on the clamping plate, wherein one of the butt plates is clamped with the clamping plate, and the other butt plate is clamped with a coarse filter screen. The leachate and fine particles can flow to the inside of the lower hopper through the fine filter screen. When the coarse filter screen moves directly below the fermentation tank, the matured material can fall into the inside of the lower hopper through the coarse filter screen, and the coarse filter screen can isolate the un-matured large material in the fermentation tank for continuous fermentation, so that the raw material is prevented from being directly mixed into the finished product, and the practicality is high.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of garbage treatment devices, in particular to a municipal road garbage treatment composting device. BACKGROUND

[0002] Municipal road garbage refers to various types of waste generated in urban roads and surrounding areas, such as fallen leaves, weeds, food residues, and other organic parts. During the treatment process, a composting device is often used to convert biodegradable organic garbage into organic fertilizer for urban greening or agricultural planting.

[0003] However, the traditional composting device usually has a discharge opening on the side wall of the equipment. When the material is fully decomposed in the composting box and needs to be taken out for use, the operator usually uses a shovel to shovel out from the discharge opening or uses the rotating spiral blade inside the equipment to drive the decomposed fertilizer to the discharge opening. Since the size of the discharge opening is constant, the shovel cannot reach the corners of the equipment, and the method of discharging by rotating the spiral blade results in low discharging efficiency and easy residue of some decomposed materials at the edge of the bottom of the composting box, which has poor practicality.

[0004] During composting, the fermentation time and location of the material in the composting box are different, resulting in different degrees of decomposition of the material. However, during discharging, materials of different degrees of decomposition are mixed and discharged together from the discharge opening. Un-decomposed large pieces of material are difficult to separate and can easily block the discharge opening, which has poor flexibility.

[0005] During the fermentation of the material, leachate is produced. A drain pipe is usually provided at the bottom of the box, and a filter screen is provided at the inlet of the drain pipe. However, since the inlet of the drain pipe is located inside the composting box, it is inconvenient to replace or clean the filter screen, which is inconvenient to operate and has poor flexibility. SUMMARY

[0006] In order to facilitate the rapid discharging of decomposed material and effectively recover leachate while screening out un-decomposed large pieces of material, the present application provides a municipal road garbage treatment composting device.

[0007] The municipal road garbage treatment composting device provided by the present application adopts the following technical solution:

[0008] The utility model provides a kind of municipal road garbage processing composting device, including shell, composting structure being mounted in the shell, be provided on the composting structure on the structure of discharging, be connected on the structure of filtering of the structure of discharging, cooperate on the structure of driving of the structure of discharging, be provided on the shell on the structure of opening and closing;The composting structure includes fermentation tank, the inside of the shell is fixedly connected with fermentation tank, the bottom of the fermentation tank is equipped with the structure of discharging, the structure of discharging includes discharge hopper and the mounting frame being slidably connected on discharge hopper, the bottom of the fermentation tank is fixedly connected with two discharge hoppers, the mounting frame is clamped with two butt plates, the top surface of the butt plate and the bottom of the fermentation tank are slidably connected, the butt plate is equipped with the structure of filtering, the structure of filtering includes clamping plate and the precision filter screen being fixed on clamping plate, wherein one of the butt plate near outer side is clamped with clamping plate, another butt plate is clamped with coarse filter screen, the mounting frame is cooperated with the structure of driving.

[0009] By adopting the above technical scheme, since the center position of the butt plate is provided with the precision filter screen through the clamping plate, the leachate and fine particles can flow to the inside of the discharge hopper through the precision filter screen, the coarse filter screen is moved to the directly below of the fermentation tank, at this time, the matured material can fall through the coarse filter screen to the inside of the discharge hopper, and then slide to the storage box placed at the discharge port of the shell through the inclined surface of the discharge hopper, so that the discharging operation of the matured material is completed, and the discharging efficiency is high.

[0010] Optionally, the discharge hopper is fixedly connected with two guide rods, the mounting frame is slidably connected with the guide rods at one end near the outer side, the mounting frame and the discharge hopper are fixedly connected with the first spring, and the guide rods penetrate the first spring.

[0011] By adopting the above technical scheme, the mounting frame drives the two butt plates to move outward until the butt plate near the inner side is attached to the bottom of the fermentation tank, so that the mounting frame is reset.

[0012] Optionally, the butt plate near the outer side is slidably connected with two fixed rods, the second spring is fixedly connected between the bottom of the fixed rod and the bottom of the butt plate, and the top end of the fixed rod abuts against the top surface of the clamping plate.

[0013] By adopting the above technical scheme, the two fixed rods at the bottom of the butt plate are pressed upward, the fixed rod compresses the second spring, the top end of the fixed rod no longer abuts against the clamping plate, the clamping plate can be taken out and replaced, and the operation is simple.

[0014] Optionally, the bottom of the discharge hopper is clamped with the water filter screen, the water filter screen is provided below the liquid collecting tank, the liquid collecting tank and the bottom of the discharge hopper are fixedly connected, the inside of the shell is fixedly connected with two liquid storage tanks, and the liquid storage tanks and the liquid collecting tank above are communicated.

[0015] Through the above technical scheme, the percolate flows to the filter screen at the end of the slope on the discharge hopper, flows to the inside of the liquid collecting tank through the filter screen, and finally flows to the liquid storage tank below for storage, so that the percolate in the material fermentation process is recycled, and the practicability is high.

[0016] Optionally, the opening and closing structure comprises two pairs of mounting blocks and a slide rod fixedly connected to the bottom of the mounting block, the inner side of the shell is fixedly connected with the mounting block, the door plate is slidably connected between the adjacent two slide rods, the third spring is fixedly connected between the door plate and the bottom of the slide rod, and the door plate is slidably connected with the inner side of the shell.

[0017] Through the above technical scheme, before the fermentation material, the two door plates on the shell need to be closed, and the door plate is only pulled downward by the handle, at this time, the door plate slides downward along the slide rod at the bottom of the mounting block and compresses the third spring, and when the bottom surface of the door plate abuts against the slope on the blocking strip.

[0018] Optionally, the outer wall of the shell is fixedly connected with two rotating frames, the blocking strip is rotatably connected to the rotating frame, and the torsional spring is fixedly connected between the side end of the blocking strip and the outer wall of the rotating frame.

[0019] Through the above technical scheme, the door plate drives the blocking strip to rotate outward on the rotating frame until the top end of the blocking strip no longer blocks the downward movement of the door plate, and when the door plate moves downward to the maximum distance, the blocking strip resets under the action force of the torsional spring, at this time, the top end of the blocking strip abuts against the upper surface of the handle, so that the position of the door plate is fixed, and the closing of the door plate is completed at this time, and the operation is simple and convenient.

[0020] Optionally, the top end of the blocking strip is in an "L" shape structure, the end of the blocking strip is provided with a slope, and the bottom of the door plate is fixedly connected with the handle.

[0021] Through the above technical scheme, the blocking strip is provided in an "L" shape structure, so as to facilitate the abutting force applied to the top surface of the handle, so as to fix the position of the door plate.

[0022] Optionally, the driving structure comprises a first guide ring and a pull rope fixedly connected to the first guide ring, one end of the mounting frame close to the outer side is fixedly connected with the first guide ring, the bottom of the fermentation tank is fixedly connected with a second guide ring, the pull rope penetrates through the second guide ring, the outer wall of the fermentation tank is rotatably connected with a rotating wheel close to the top of the door plate, the pull rope is wound on the rotating wheel, and the end of the pull rope is fixedly connected with the top of the door plate.

[0023] By adopting the above technical solution, the top of the door panel applies a downward force to the pull rope. Since the pull rope changes direction through the rotating wheel and the second guide ring, the end of the pull rope applies a pulling force towards the second guide ring to the first guide ring and the mounting frame. This achieves the effect of closing the door panel while driving the mounting frame to slide inward, which is highly flexible.

[0024] Optionally, a rotating shaft is rotatably connected to the fermentation tank, a first pulley is fixedly connected to the end of the rotating shaft, a motor is fixedly connected inside the outer casing, a second pulley is fixedly connected to the output shaft of the motor, and a belt is wound between the first pulley and the second pulley.

[0025] By adopting the above technical solution, when the mounting frame slides to the innermost side of the outer shell, the material inside the fermentation tank can be fermented. At the same time, the output shaft of the motor drives the second pulley to rotate, and the second pulley drives the first pulley and the rotating shaft to rotate through the belt drive. At this time, the rotating shaft drives multiple stirring blades to rotate inside the fermentation tank to avoid local over-drying or over-wetting, thereby ensuring that the fermentation process is efficient and uniform.

[0026] Optionally, multiple stirring blades are fixedly connected to the rotating shaft, and the radius of the second pulley is larger than the radius of the first pulley.

[0027] By adopting the above technical solution, materials from different regions can be mixed by rotating the stirring blades. The radius of the second pulley is larger than that of the first pulley, which helps to improve the mixing efficiency.

[0028] In summary, this application includes at least one of the following beneficial technical effects:

[0029] 1. When removing the composted material, the feeding efficiency of the composted material is improved by installing a feeding hopper at the bottom of the fermentation tank. Two kinds of filter screens with different pore sizes are set on the feeding hopper. The switching between the two kinds of filter screens with different pore sizes is linked by the opening and closing of the door panel at the feeding port. The operation is simple and controls the opening and closing of the bottom opening of the fermentation tank.

[0030] 2. When controlling the opening and closing of the door panel, the installation frame is moved by controlling the movement of the door panel, thereby realizing the switching between leachate filtration and filtration of large, uncomposted materials. It is highly flexible, can effectively intercept large, uncomposted materials, and can also recover leachate. Attached Figure Description

[0031] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0032] Figure 2 for Figure 1 The diagram shown is an enlarged view of the structure of part A.

[0033] Figure 3 The connection structure diagram of the shell and the fermentation tank of the present application is shown in Fig. 1.

[0034] Figure 4 The enlarged diagram of part B shown in Fig. 1 is shown in Fig. 2. Figure 3

[0035] Figure 5 The connection structure diagram of the shell and the motor of the present application is shown in Fig. 3.

[0036] Figure 6 The enlarged diagram of part C shown in Fig. 3 is shown in Fig. 4. Figure 5

[0037] Figure 7 The enlarged diagram of part D shown in Fig. 3 is shown in Fig. 5. Figure 6

[0038] Figure 8 The enlarged diagram of part E shown in Fig. 3 is shown in Fig. 6. Figure 6

[0039] Figure 9 The connection structure diagram of the feeding hopper and the mounting frame of the present application is shown in Fig. 7.

[0040] Figure 10 The connection structure diagram of the mounting frame and the butt joint plate of the present application is shown in Fig. 8.

[0041] Figure 11 The enlarged diagram of part F shown in Fig. 8 is shown in Fig. 9. Figure 10

[0042] Reference signs: 1, shell; 2, compost structure; 201, fermentation tank; 202, rotating shaft; 203, first pulley; 204, motor; 205, second pulley; 206, belt; 207, stirring blade; 3, feeding structure; 301, feeding hopper; 302, mounting frame; 303, butt joint plate; 304, guide rod; 305, first spring; 4, filtering structure; 401, clamping plate; 402, fine filter screen; 403, fixed rod; 404, second spring; 405, coarse filter screen; 406, water filter screen; 407, liquid collecting groove; 408, liquid storage tank; 5, driving structure; 501, first guide ring; 502, pull rope; 503, second guide ring; 504, rotating wheel; 6, opening and closing structure; 601, mounting block; 602, sliding rod; 603, door plate; 604, third spring; 605, rotating frame; 606, blocking strip; 607, torsion spring; 608, handle. DETAILED DESCRIPTION

[0043] The following will be described in detail with reference to the accompanying drawings. Figures 1-11 The present application will be further described in detail.

[0044] The present application discloses a municipal road garbage treatment composting device. Referring to Figure 1 ,​​​​​Figure 2 、 Figure 6 、 Figure 7 and Figures 9-11 A municipal road garbage treatment composting device comprises a shell 1, a composting structure 2 installed inside the shell 1, a discharging structure 3 arranged on the composting structure 2, a filtering structure 4 connected to the discharging structure 3, a driving structure 5 matched to the discharging structure 3, and an opening and closing structure 6 arranged on the shell 1; the mounting frame 302 slides outward along the guide rod 304 under the elastic force of the two first springs 305 at the bottom until the abutting plate 303 close to the inner side is attached to the bottom surface of the fermentation tank 201;

[0045] The mounting frame 302 drives the two abutting plates 303 to slide to the inner side of the shell 1, and when the door plate 603 is completely closed, the abutting plate 303 close to the outer side is moved directly below the fermentation tank 201, at this time, the bottom of the fermentation tank 201 and the abutting plate 303 form a complete arc, thereby reducing the stirring dead angle of the material and avoiding the accumulation of the material in the corner and unable to be turned over.

[0046] The abutting plate 303 is provided with the filtering structure 4, the filtering structure 4 comprises a clamping plate 401 and a fine filter screen 402 fixed to the clamping plate 401, one of the abutting plates 303 close to the outer side is clamped with the clamping plate 401, and the other abutting plate 303 is clamped with a coarse filter screen 405;

[0047] The two fixed rods 403 at the bottom of the abutting plate 303 are pressed upward, the fixed rods 403 compress the second springs 404, at this time, the top end of the fixed rods 403 no longer presses the clamping plate 401, the clamping plate 401 can be taken out and replaced, the operation is simple, the bottom of the discharging hopper 301 is clamped with a water filtering screen 406, a liquid collecting tank 407 is arranged below the water filtering screen 406, the liquid collecting tank 407 is fixedly connected with the bottom of the discharging hopper 301, two liquid storage tanks 408 are fixedly connected inside the shell 1, and the liquid storage tanks 408 and the liquid collecting tank 407 above are in communication with each other;

[0048] The percolate and small particles flow to the inside of the discharging hopper 301 through the fine filter screen 402, flow to the water filtering screen 406 at the end through the inclined surface on the discharging hopper 301, flow to the inside of the liquid collecting tank 407 through the water filtering screen 406, and finally flow to the liquid storage tank 408 below for storage, at this time, the recycling of the percolate in the material fermentation process is realized, and the practicability is high.

[0049] Referring to Figure 2 、 Figure 6 、 Figure 7 and Figure 8The opening and closing structure 6 comprises two pairs of mounting blocks 601 and slide rods 602 fixedly connected to the bottom of the mounting blocks 601, the inner side of the shell 1 is fixedly connected with the mounting blocks 601, the door plate 603 is slidingly connected between two adjacent slide rods 602, the third spring 604 is fixedly connected between the bottom of the slide rod 602 and the door plate 603, and the door plate 603 is slidingly connected with the inner side of the shell 1;

[0050] Before fermentation, the two door plates 603 on the shell 1 need to be closed, the handle 608 is pulled downward to drive the door plate 603 to slide downward along the slide rod 602 at the bottom of the mounting block 601 and compress the third spring 604, and thus the closing of the door plate 603 is completed, and the operation is simple.

[0051] With reference to Figure 2 , Figure 6 , Figure 7 and Figure 8 , the outer wall of the shell 1 is fixedly connected with two rotating frames 605, the rotating frame 605 is rotatably connected with a blocking strip 606, and the torsional spring 607 is fixedly connected between the side end of the blocking strip 606 and the outer wall of the rotating frame 605;

[0052] The bottom surface of the door plate 603 abuts against the inclined surface on the blocking strip 606, the door plate 603 drives the blocking strip 606 to rotate outward on the rotating frame 605 until the top end of the blocking strip 606 no longer blocks the downward movement of the door plate 603, when the door plate 603 moves downward to the maximum distance, the blocking strip 606 is reset under the action force of the torsional spring 607, and thus the top end of the blocking strip 606 abuts against the upper surface of the handle 608, so that the position of the door plate 603 is fixed.

[0053] With reference to Figure 7 and Figure 8 , the driving structure 5 comprises a first guide ring 501 and a pull rope 502 fixedly connected to the first guide ring 501, and the bottom of the fermentation tank 201 is fixedly connected with a second guide ring 503;

[0054] The pull rope 502 is changed in direction through the rotating wheel 504 and the second guide ring 503, and then the end of the pull rope 502 exerts a pulling force on the first guide ring 501 and the mounting frame 302 in the direction of the second guide ring 503, so that the door plate 603 is closed and the mounting frame 302 is driven to slide inward, and the flexibility is high.

[0055] With reference to Figures 3-8The rotating shaft 202 drives the plurality of stirring blades 207 to rotate in the inside of the fermentation tank 201, and the rotation of the stirring blades 207 can mix materials in different areas, so that the fermentation process is carried out efficiently and uniformly.

[0056] The rotating shaft 202 drives the plurality of stirring blades 207 to rotate in the inside of the fermentation tank 201, and the rotation of the stirring blades 207 can mix materials in different areas, so that the fermentation process is carried out efficiently and uniformly.

[0057] The embodiment of the application discloses an implementation principle of a municipal road garbage treatment composting device. Before fermentation of materials, two door plates 603 on a shell 1 need to be closed. Only the door plates 603 need to be pulled downward by a handle 608. At this time, the door plates 603 slide downward along the slide rods 602 at the bottom of the mounting blocks 601 and compress the third springs 604. When the bottom surfaces of the door plates 603 abut against the inclined surfaces on the blocking strips 606, the door plates 603 drive the blocking strips 606 to rotate outward on the rotating frames 605 until the top ends of the blocking strips 606 no longer block the downward movement of the door plates 603. When the door plates 603 move downward to the maximum distance, the blocking strips 606 are reset under the action force of the torsional springs 607. At this time, the top ends of the blocking strips 606 abut against the upper surfaces of the handle 608, so that the position of the door plates 603 is fixed. At this time, the closing of the door plates 603 is completed, and the operation is simple and convenient.

[0058] During the process of pulling the door plates 603 downward, the top portions of the door plates 603 exert downward action force on the pull ropes 502. Since the pull ropes 502 are diverted by the rotating wheels 504 and the second guide rings 503 respectively, the end portions of the pull ropes 502 exert pulling force on the first guide ring 501 and the mounting frame 302 in the direction of the second guide ring 503, so that the closing of the door plates 603 drives the mounting frame 302 to slide inward at the same time. The flexibility is high. At this time, the mounting frame 302 drives the two abutting plates 303 to slide in the direction of the inside of the shell 1. When the door plates 603 are completely closed, the abutting plate 303 close to the outside is moved to the position directly below the fermentation tank 201. At this time, the bottom of the fermentation tank 201 and the abutting plate 303 form a complete arc, so that the stirring dead angle of the materials is reduced, and the materials accumulated in the corners cannot be turned over.

[0059] When the installation frame 302 slides to the innermost side of the shell 1, the material inside the fermentation tank 201 can be fermented at this time, and the output shaft of the motor 204 drives the second pulley 205 to rotate, the second pulley 205 drives the first pulley 203 and the rotating shaft 202 through the belt 206, at this time, the rotating shaft 202 drives the plurality of stirring blades 207 to rotate in the inside of the fermentation tank 201, and the stirring blades 207 can mix the materials in different areas, avoiding local over-drying or over-wetting, so as to ensure that the fermentation process is efficient and uniform;

[0060] During the fermentation of the material in the fermentation tank 201, leachate is generated, which accumulates at the arc-shaped bottom of the fermentation tank 201. Since the center position of the butt joint plate 303 is provided with a fine filter screen 402 through the clamping plate 401, the leachate and fine particles flow through the fine filter screen 402 to the inside of the lower hopper 301, and flow to the filter screen 406 at the end through the inclined surface of the lower hopper 301, flow to the liquid collecting tank 407 through the filter screen 406, and finally flow to the liquid storage tank 408 below for storage. At this time, the leachate in the material fermentation process is recycled, and the practicability is high. When the fine filter screen 402 needs to be replaced, the two fixed rods 403 at the bottom of the butt joint plate 303 are only pressed upward, the fixed rod 403 is compressed, the top end of the fixed rod 403 is no longer pressed tightly against the clamping plate 401, and the clamping plate 401 can be taken out and replaced. The operation is simple and convenient;

[0061] When the material fermentation is completed and needs to be taken out for use, only the door plate 603 on the shell 1 is opened, and during the upward sliding process of the door plate 603, the top end of the door plate 603 no longer gradually reduces the downward pulling force of the pull rope 502, until the door plate 603 no longer exerts a downward force on the pull rope 502. At this time, the installation frame 302 slides outward along the guide rod 304 under the elastic force of the two first springs 305 at the bottom, at this time, the two butt joint plates 303 are moved outward by the installation frame 302, until the butt joint plate 303 close to the inner side is attached to the bottom surface of the fermentation tank 201, and the coarse filter screen 405 is moved to the directly below the fermentation tank 201. At this time, the matured material can fall through the coarse filter screen 405 into the inside of the lower hopper 301, and then slide to the storage box placed at the discharge port of the shell 1 through the inclined surface of the lower hopper 301, completing the discharging operation of the matured material. The discharging efficiency is high, and the coarse filter screen 405 can isolate the un-matured large material in the fermentation tank 201 for continuous fermentation, avoiding the direct mixing of raw materials into the finished product, and the practicability is high.

[0062] The above are the preferred embodiments of the present application, which do not limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape, principle of the present application shall be covered within the protection scope of the present application.

Claims

1. A municipal road waste composting device, characterized in that, Includes an outer shell (1), a composting structure (2) installed inside the outer shell (1), a feeding structure (3) provided on the composting structure (2), a filter structure (4) connected to the feeding structure (3), a drive structure (5) cooperating with the feeding structure (3), and an opening and closing structure (6) provided on the outer shell (1). The composting structure (2) includes a fermentation tank (201), and the fermentation tank (201) is fixedly connected inside the outer shell (1). The bottom surface of the fermentation tank (201) is provided with a feeding structure (3). The feeding structure (3) includes a feeding hopper (301) and a mounting frame (302) slidably connected to the feeding hopper (301). Two feeding hoppers (301) are fixedly connected to the bottom of the fermentation tank (201). Two docking plates (303) are engaged on the mounting frame (302). The top surface of the connecting plate (303) is slidably connected to the bottom surface of the fermentation tank (201). The connecting plate (303) is provided with a filter structure (4). The filter structure (4) includes a clamping plate (401) and a fine filter screen (402) fixed on the clamping plate (401). The clamping plate (401) is engaged on one of the connecting plates (303) near the outside, and the coarse filter screen (405) is engaged on the other connecting plate (303). The mounting frame (302) is equipped with a driving structure (5). Two guide rods (304) are fixedly connected to the hopper (301). The outer end of the mounting frame (302) is slidably connected to the guide rods (304). A first spring (305) is fixedly connected between the mounting frame (302) and the hopper (301). The guide rods (304) pass through the first spring (305). The opening and closing structure (6) includes two pairs of mounting blocks (601) and a sliding rod (602) fixedly connected to the bottom of the mounting block (601). The mounting block (601) is fixedly connected to the inner side of the outer shell (1). A door panel (603) is slidably connected between two adjacent sliding rods (602). A third spring (604) is fixedly connected between the door panel (603) and the bottom of the sliding rod (602). The door panel (603) is slidably connected to the inner side of the outer shell (1). Two rotating frames (605) are fixedly connected to the outer wall of the outer shell (1). A stop bar (606) is rotatably connected to the rotating frame (605). A torsion spring (607) is fixedly connected between the side end of the stop bar (606) and the outer wall of the rotating frame (605). The top part of the baffle (606) has an "L" shaped structure, the end of the baffle (606) has a bevel, and the bottom of the door panel (603) is fixedly connected to a handle (608). The drive structure (5) includes a first guide ring (501) and a pull rope (502) fixedly connected to the first guide ring (501). The first guide ring (501) is fixedly connected to one end of the mounting frame (302) near the outside. A second guide ring (503) is fixedly connected to the bottom of the fermentation tank (201). The pull rope (502) passes through the second guide ring (503). A rotating wheel (504) is rotatably connected to the outer wall of the fermentation tank (201) near the top of the door panel (603). The pull rope (502) is wound around the rotating wheel (504). The end of the pull rope (502) is fixedly connected to the top of the door panel (603).

2. The municipal road waste composting device according to claim 1, characterized in that: Two fixing rods (403) are slidably connected on one of the docking plates (303) near the outer side. A second spring (404) is fixedly connected between the bottom of the fixing rod (403) and the bottom surface of the docking plate (303). The top of the fixing rod (403) abuts against the top surface of the clamping plate (401).

3. A municipal road waste composting device according to claim 1, characterized in that: The bottom of the hopper (301) is fitted with a water filter screen (406), and a liquid collection tank (407) is provided below the water filter screen (406). The liquid collection tank (407) is fixedly connected to the bottom of the hopper (301). Two liquid storage tanks (408) are fixedly connected inside the outer shell (1). The liquid storage tanks (408) are interconnected with the liquid collection tank (407) above.

4. A municipal road waste composting device according to claim 1, characterized in that: A rotating shaft (202) is rotatably connected to the fermentation tank (201). A first pulley (203) is fixedly connected to the end of the rotating shaft (202). A motor (204) is fixedly connected inside the outer shell (1). A second pulley (205) is fixedly connected to the output shaft of the motor (204). A belt (206) is wound between the first pulley (203) and the second pulley (205).

5. A municipal road waste composting device according to claim 4, characterized in that: Multiple stirring blades (207) are fixedly connected to the rotating shaft (202), and the radius of the second pulley (205) is larger than the radius of the first pulley (203).

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