Urban and rural organic garbage pretreatment equipment

Abstract

The utility model discloses urban and rural organic garbage pretreatment equipment, and relates to the technical field of urban and rural organic garbage pretreatment, the urban and rural organic garbage pretreatment equipment comprises a rough separation mechanism, a crushing assembly is arranged below one end of the rough separation mechanism, and the bottom of the crushing assembly is fixedly connected with an extrusion assembly; the rough separation mechanism can roughly screen the urban and rural organic garbage, non-degradable garbage such as plastic bottles and plastic bags and high-hardness garbage such as metal sand and shells in the urban and rural organic garbage are separated from the organic garbage, the rough separation mechanism is provided with the upper-layer screening frame and the lower-layer screening frame, the garbage can be screened for multiple times, and the efficiency is improved. The screening effect is improved; the upper-layer screening frame and the lower-layer screening frame are arranged in an inclined mode, plastics and garbage with high hardness slide into a collecting bin on one side of the rough separation mechanism along the upper-layer screening frame and the lower-layer screening frame to be treated in a centralized mode, and organic garbage falls onto a partition plate conveying belt through a discharging bin. Separation and separate treatment of organic garbage, plastic and garbage with high hardness are achieved, and practicability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to urban and rural organic garbage treatment technical field, concretely is urban and rural organic garbage pretreatment equipment. BACKGROUND

[0002] Urban and rural organic garbage mainly refers to the waste containing organic components generated in urban and rural environments, with China vigorously implementing the garbage classification system, turning waste into treasure, realizing renewable energy reuse, effective treatment and resource utilization of organic garbage will become the main task of future garbage disposal; the pretreatment system of the organic garbage resource treatment system is the premise of solving a series of garbage disposal in the later period.

[0003] When treating urban and rural organic garbage, especially during reprocessing such as composting, anaerobic fermentation treatment, feed processing, urban and rural organic garbage needs to be pretreated, that is, the plastic and other non-degradable garbage and high-hardness impurities such as metal sand and shell mixed in urban and rural organic garbage are removed, and then urban and rural organic garbage is preliminarily crushed, Chinese patent CN 113478886A discloses a garbage pretreatment device, including frame and collection box, the frame is connected on the upper end of the base through bolts, the base middle groove is slidably connected with the pad, the pad upper end is connected with the support plate through bolts, the collection box is connected on the upper end of the support plate through bolts, the base is internally connected with the motor through bolts, the invention discloses a garbage pretreatment device, the frame is installed on the base, the frame is used for installing the garbage pressing part, the pad is installed in the chute of the base;

[0004] The above garbage pretreatment device drives the pressing block to press down to press the garbage in the collection box; however, urban and rural organic garbage contains a large amount of plastic and metal sand and other impurities that cannot be reprocessed, and the above impurities need to be removed during pretreatment of urban and rural organic garbage, and the urban and rural organic garbage needs to be preliminarily crushed after removing the impurities, otherwise it will affect the normal progress of subsequent processing, the above garbage pretreatment device only presses the garbage together by the pressing block, the impurities in the garbage cannot be removed, and the garbage is only compressed in volume, without being crushed, and multiple crushing is still needed during subsequent processing, increasing the workload and difficulty of subsequent processing. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing urban and rural organic garbage pretreatment equipment, removing plastic and high-hardness impurities in urban and rural organic garbage by using the coarse division mechanism, then preliminarily crushing the garbage by using the crushing assembly, and finally removing the moisture contained in the crushed garbage by extruding, to solve the technical problems in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] The urban and rural organic garbage pretreatment equipment, including coarse division mechanism, one end below of the coarse division mechanism is equipped with the rubbing assembly, the bottom of the rubbing assembly is fixedly connected with the extrusion assembly;

[0008] The coarse division mechanism includes multiple screen components arranged obliquely, multiple screen components below are equipped with a partition conveyor belt;The rubbing assembly includes a stock bin, the stock bin is located below the end of the partition conveyor belt and corresponds to the position of the partition conveyor belt;The bottom of the stock bin is welded with the top of the rubbing bin, two rubbing discs are symmetrically arranged in the rubbing bin;The rubbing bin below is equipped with a connecting bin;The extrusion assembly includes a bin body, a cover is arranged on the inner side of the bin body, and the cover is fixedly connected with the connecting bin, the connecting bin is in communication with the space inside the bin body;One end of the bin body is equipped with a second extrusion mechanism, one side of the bin body close to the partition conveyor belt is equipped with a first extrusion mechanism, one side of the bin body away from the first extrusion mechanism is equipped with a rotary door mechanism, and one side of the rotary door mechanism away from the bin body is equipped with a spiral feeder.

[0009] As a further technical scheme of the utility model, the structure of multiple screen components is same, the screen component includes a frame, the upper end of the inner side of the frame is fixedly connected with an upper layer screen frame, and the lower end is fixedly connected with a lower layer screen frame;The bottom of the frame is fixedly connected with a discharge bin, the discharge bin is located above the partition conveyor belt and corresponds to the position of the partition conveyor belt;The outer side of both ends of the frame is fixedly connected with multiple groups of springs, and the bottom of multiple groups of springs is fixedly connected with multiple supporting legs respectively;One side of the frame is equipped with a driving assembly.

[0010] As a further technical scheme of the utility model, the driving assembly includes a connecting shaft, both ends of the connecting shaft are rotatably connected with the frame through bearings, and both ends of the connecting shaft are fixedly connected with counterweights;One end of the connecting shaft extends to the outer side of the frame and is fixedly connected with a driven pulley coaxially, a driving pulley is arranged below the driven pulley, and the driving pulley is in transmission connection with the driven pulley through a belt;The middle of the driving pulley is fixedly connected with the output shaft of motor two, and the bottom of motor two is fixedly connected with a placing table.

[0011] As a further technical scheme of the utility model, the bottom of the placing table and multiple supporting legs is fixedly connected with a base frame, the bottom of the base frame is connected with the top cover of the stand;The partition conveyor belt is located in the inner side of the base frame, and the bottom of the partition conveyor belt is fixedly connected with the top of the stand.

[0012] As a further technical scheme of the utility model, the crushing teeth on the two crushing discs are staggered, and a transmission shaft is coaxially fixedly connected to the middle of each of the two crushing discs, the two ends of the two transmission shafts are rotatably connected to the crushing bin through bearings, and one end of each of the two transmission shafts extends to the outside of the crushing bin and is fixedly connected with a driven gear and a driving gear respectively.

[0013] As a further technical scheme of the utility model, the bottom of the motor is fixedly connected to the support, the crushing disc is located inside the support, and a plurality of angle irons are fixedly connected to each side of the crushing disc through screws, and the side of each of the plurality of angle irons away from the crushing disc is fixedly connected to the support through a bolt; the bottom of the crushing disc is welded to the top of the connecting bin.

[0014] As a further technical scheme of the utility model, a rectangular through slot is arranged on the cover, the lower end of the connecting bin is located inside the rectangular through slot of the cover; the first and second extrusion mechanisms are located below the cover; the lower end of the bin body is provided with a liquid outlet, the liquid outlet is fixedly connected to a pipeline, and the end of the pipeline away from the bin body is connected to a wastewater treatment system.

[0015] As a further technical scheme of the utility model, the first extrusion mechanism comprises a first cylinder, the first cylinder is fixedly connected to the outside of the bin body, the telescopic rod of the first cylinder is located inside the bin body and is fixedly connected with a first extrusion plate; the second extrusion mechanism comprises a second cylinder, the second cylinder is fixedly connected to the outer end of the bin body, the telescopic rod of the second cylinder is located inside the bin body and is fixedly connected with a second extrusion plate.

[0016] As a further technical scheme of the utility model, the rotating door mechanism comprises a rotating door, the rotating door is rotatably connected to the outside of the bin body, a connecting rod is fixedly connected to the outside of the rotating door, one end of the connecting rod is rotatably connected to the telescopic rod of a third cylinder, the end of the third cylinder away from the rotating door is rotatably connected to a connecting piece, and the connecting piece is fixedly connected to the outside of the end of the bin body away from the second cylinder.

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] 1.The utility model discloses a coarse division mechanism can be roughly screened to urban and rural organic garbage, and the garbage, such as plastic bottles and plastic bags in urban and rural organic garbage, cannot be degraded, and the garbage, such as metal sand and shell, has higher hardness, and is separated from organic garbage, because the volume of organic garbage is smaller, so organic garbage can pass through the screen hole of the screening frame, and the plastic and the garbage with higher hardness are blocked by the screening frame, and the coarse division mechanism is provided with upper and lower screening frames, can screen the garbage for many times, and increases the screening effect, the upper and lower screening frames are arranged obliquely, the plastic and the garbage with higher hardness slide along the upper and lower screening frames and fall into the collecting bin on one side of the coarse division mechanism to be treated centrally, and the organic garbage falls to the baffle conveyor through the discharge bin, realizes the separation and treatment of the organic garbage and the plastic and the garbage with higher hardness, and improves the practicability.

[0019] 2.The utility model discloses after organic garbage enters the smashing bin, two smashing discs can preliminarily smash the organic garbage, and the organic garbage is smashed into smaller garbage chips, facilitating subsequent processing of the organic garbage, the support plays the role of supporting the bin, the smashing bin and the connecting bin, prevents the smashing bin from vibrating greatly when the two smashing discs rotate rapidly.

[0020] 3.The utility model discloses garbage chips fall into the cavity in the bin body through the rectangular through slot of the connecting bin and the cover, the second cylinder controls the second extrusion plate to extrude the garbage chips, the water contained in the garbage chips can be extruded out through extrusion, the extruded waste water flows into the pipeline through the liquid outlet, and is transported into the waste water treatment system through the pipeline to be treated harmlessly, the water in the garbage chips can be extruded out, so that the garbage chips can be kept dry, and the subsequent garbage treatment work can be carried out smoothly, the second extrusion plate stops moving after extruding the garbage to the first extrusion plate, the first extrusion plate continues to extrude the garbage, further compresses the volume of the garbage chips, can remove the water in the garbage chips to the greatest extent, after the rotary door is opened, the first extrusion plate can push the garbage chips out of the bin body from the rotary door, so that the chip garbage enters the spiral feeder, and is conveyed to the next processing equipment through the spiral feeder. ACCURACY

[0021] Figure 1 It is the three-dimensional structure schematic diagram of the utility model.

[0022] Figure 2 It is the side view of the utility model Figure 1 .

[0023] Figure 3 It is the three-dimensional structure schematic diagram of the coarse division mechanism of the utility model.

[0024] Figure 4 It is the three-dimensional structure schematic diagram of the screening assembly of the utility model.

[0025] Figure 5 is a top view of the present application. Figure 4

[0026] Figure 6 is a partial structure schematic view of the present application. Figure 4

[0027] Figure 7 is another view of the present application. Figure 6

[0028] Figure 8 is a three-dimensional structure schematic view of the crushing assembly of the present application.

[0029] Figure 9 is a top view of the present application. Figure 8

[0030] Figure 10 is an A-A sectional view of the present application. Figure 9

[0031] Figure 11 is a three-dimensional structure schematic view of the extrusion assembly of the present application.

[0032] Figure 12 is a partial structure schematic view of the present application. Figure 11

[0033] Figure 13 is a top view of the present application. Figure 12

[0034] Figure 14 is a side view of the present application. Figure 12

[0035] In the figure: 1 - rough division mechanism, 2 - crushing assembly, 3 - extrusion assembly;

[0036] 11 - screening assembly, 12 - chassis, 13 - stand, 14 - partition conveyor belt, 21 - stock bin, 22 - crushing bin, 23 - connecting bin, 24 - support, 25 - angle iron, 26 - motor one, 27 - driven gear, 28 - driving gear, 29 - crushing disc, 20 - transmission shaft, 31 - bin body, 32 - cover, 33 - first extrusion mechanism, 34 - second extrusion mechanism, 35 - rotating door mechanism, 36 - liquid outlet;

[0037] ​​​​​​​​111-frame, 112-upper layer screening frame, 113-lower layer screening frame, 114-discharge bin, 115-leg, 116-spring, 117-driving assembly, 331-first air cylinder, 332-first extrusion plate, 341-second air cylinder, 342-second extrusion plate, 351-third air cylinder, 352-connecting rod, 353-rotary door, 354-connector;

[0038] 1171-motor two, 1172-putting table, 1173-driving pulley, 1174-following pulley, 1175-belt, 1176-connecting shaft, 1177-counterweight. DETAILED DESCRIPTION

[0039] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the protection scope of the utility model.

[0040] Please refer to Figures 1-14 In the embodiments of the utility model, the urban and rural organic garbage pretreatment equipment comprises a rough separation mechanism 1, one end of the rough separation mechanism 1 is provided with a crushing assembly 2 below, and the bottom of the crushing assembly 2 is fixedly connected with an extrusion assembly 3.

[0041] The rough separation mechanism 1 comprises a plurality of screening assemblies 11 arranged obliquely, and a plurality of screening assemblies 11 are provided with a baffle conveyor belt 14 below; the crushing assembly 2 comprises a bin 21, the bin 21 is located below the end of the baffle conveyor belt 14 and corresponds to the position of the baffle conveyor belt 14, the bottom of the bin 21 is welded with the top of a crushing bin 22, two crushing discs 29 are symmetrically arranged in the crushing bin 22, a connecting bin 23 is arranged below the crushing bin 22; the extrusion assembly 3 comprises a bin body 31, the bin body 31 is provided with a cover 32 on the inner side of the upper end, the cover 32 is fixedly connected with the connecting bin 23, and the connecting bin 23 is in communication with the space inside the bin body 31; one end of the bin body 31 is provided with a second extrusion mechanism 34, one side of the bin body 31 close to the baffle conveyor belt 14 is provided with a first extrusion mechanism 33, and the side of the bin body 31 away from the first extrusion mechanism 33 is provided with a rotary door mechanism 35, and the side of the rotary door mechanism 35 away from the bin body 31 is provided with a spiral feeder;

[0042] The plurality of screening assemblies 11 are structurally identical, and each screening assembly 11 comprises a frame 111, an upper layer of screening shelves 112 fixedly connected to the inner upper end of the frame 111, and a lower layer of screening shelves 113 fixedly connected to the lower end of the frame 111; the bottom of the frame 111 is fixedly connected with a discharge bin 114, which is located above the partition plate conveying belt 14 and corresponds to the position of the partition plate conveying belt 14; the outer sides of both ends of the frame 111 are fixedly connected with a plurality of groups of springs 116, and the bottoms of the plurality of groups of springs 116 are fixedly connected with a plurality of supporting legs 115, respectively; one side of the frame 111 is provided with a driving assembly 117;

[0043] The driving assembly 117 comprises a connecting shaft 1176, both ends of which are rotatably connected with the frame 111 through bearings, and both ends of the connecting shaft 1176 are fixedly connected with counterweights 1177; one end of the connecting shaft 1176 extends to the outer side of the frame 111 and is coaxially fixedly connected with a driven pulley 1174, and a driving pulley 1173 is arranged below the driven pulley 1174, and the driving pulley 1173 is drivingly connected with the driven pulley 1174 through a belt 1175; the middle of the driving pulley 1173 is fixedly connected with the output shaft of a second motor 1171, and the bottom of the second motor 1171 is fixedly connected with a placement table 1172.

[0044] The bottom of the placement table 1172 and the bottom of the plurality of supporting legs 115 are fixedly connected with a base frame 12, and the bottom of the base frame 12 is fixedly connected with the top cover of the top of a stand 13; the partition plate conveying belt 14 is located on the inner side of the base frame 12, and the bottom of the partition plate conveying belt 14 is fixedly connected with the top of the stand 13.

[0045] By adopting the above technical scheme, the coarse screening mechanism 1 can roughly screen the urban and rural organic waste, separate the non-degradable waste such as plastic bottles and plastic bags, and the high-hardness waste such as metal sand and shells from the organic waste, and the organic waste can pass through the screen holes of the screening shelves because the volume of the organic waste is small, while the plastic and high-hardness waste is blocked by the screening shelves, and the coarse screening mechanism 1 is provided with the upper layer of screening shelves 112 and the lower layer of screening shelves 113, so that the waste can be screened multiple times to increase the screening effect; the upper layer of screening shelves 112 and the lower layer of screening shelves 113 are arranged obliquely, the plastic and high-hardness waste slides along the upper layer of screening shelves 112 and the lower layer of screening shelves 113 to the collecting bin on one side of the coarse screening mechanism 1 for centralized treatment, and the organic waste falls to the partition plate conveying belt 14 through the discharge bin 114, so as to realize the separation and separate treatment of the organic waste and the plastic and high-hardness waste.

[0046] In the embodiment, the crushing teeth on the two crushing discs 29 are staggered, and the two crushing discs 29 are coaxially and fixedly connected with the transmission shafts 20, the two ends of the transmission shafts 20 are rotatably connected with the crushing bin 22 through bearings, and one end of each of the transmission shafts 20 extends to the outside of the crushing bin 22 and is fixedly connected with a driven gear 27 and a driving gear 28 respectively; the driven gear 27 and the driving gear 28 are in meshing connection, and the end of the transmission shaft 20 fixedly connected with the driving gear 28 is fixedly connected with the motor 26;

[0047] The bottom of the motor 26 is fixedly connected with the support 24, the crushing disc 29 is located on the inside of the support 24, and each side of the crushing disc 29 is fixedly connected with a plurality of angle irons 25 through screws, and the side away from the crushing disc 29 of each of the angle irons 25 is fixedly connected with the support 24 through a bolt; and the bottom of the crushing disc 29 is welded with the top of the connecting bin 23.

[0048] According to the above technical scheme, when the organic garbage enters the crushing bin 22, the two crushing discs 29 can preliminarily crush the organic garbage, and the organic garbage is crushed into smaller garbage pieces, which facilitates subsequent processing of the organic garbage; the support 24 supports the material bin 21, the crushing bin 22 and the connecting bin 23, and prevents the crushing bin 22 from vibrating greatly when the two crushing discs 29 rotate rapidly.

[0049] In the embodiment, the cover 32 is provided with a rectangular through slot, and the lower end of the connecting bin 23 is located on the inside of the rectangular through slot of the cover 32; the first extrusion mechanism 33 and the second extrusion mechanism 34 are located below the cover 32; the lower end of the bin body 31 is provided with a liquid outlet 36, the liquid outlet 36 is fixedly connected with a pipeline, and the end of the pipeline away from the bin body 31 is connected with a wastewater treatment system;

[0050] The first extrusion mechanism 33 comprises a first cylinder 331 fixedly connected with the outside of the bin body 31, and the telescopic rod of the first cylinder 331 is located in the inside of the bin body 31 and is fixedly connected with a first extrusion plate 332; the second extrusion mechanism 34 comprises a second cylinder 341 fixedly connected with the outside of the bin body 31, and the telescopic rod of the second cylinder 341 is located in the inside of the bin body 31 and is fixedly connected with a second extrusion plate 342;

[0051] The rotary door mechanism 35 comprises a rotary door 353 rotatably connected with the outside of the bin body 31, and the outside of the rotary door 353 is fixedly connected with a connecting rod 352, one end of the connecting rod 352 is rotatably connected with the telescopic rod of a third cylinder 351, the end of the third cylinder 351 away from the rotary door 353 is rotatably connected with a connecting piece 354, and the connecting piece 354 is fixedly connected with the outside of the end of the bin body 31 away from the second cylinder 341;

[0052] By adopting the technical scheme, the garbage chips fall into the cavity in the bin body 31 through the rectangular through slot connecting the bin 23 and the cover 32, the second cylinder 341 controls the second extrusion plate 342 to extrude the garbage chips, the water contained in the garbage chips can be extruded out through extrusion, the extruded wastewater flows into the pipeline through the liquid outlet 36, and is transported into the wastewater treatment system for harmless treatment; the water in the garbage chips is extruded out, so that the garbage chips can be kept dry, and the subsequent garbage treatment work can be smoothly carried out; the second extrusion plate 342 stops moving after extruding the garbage to the first extrusion plate 332, the first extrusion plate 332 continues to extrude the garbage, further compresses the volume of the garbage chips, and can remove the water in the garbage chips to the greatest extent; after the rotating door 353 is opened, the first extrusion plate 332 can push the garbage chips out of the rotating door 353 from the bin body 31, so that the chip garbage enters the screw feeder and is conveyed to the next processing equipment by the screw feeder.

[0053] The working principle of the utility model is: the coarse separation mechanism 1 can roughly separate the urban and rural organic garbage, separate the garbage such as plastic bottles and plastic bags which cannot be degraded in the urban and rural organic garbage, metal sand and shell which have high hardness from the organic garbage, because the volume of the organic garbage is small, so the organic garbage can pass through the sieve hole of the sieve frame, the plastic and the garbage which have high hardness are blocked by the sieve frame, and the coarse separation mechanism 1 is provided with upper sieve frame 112 and lower sieve frame 113, can separate the garbage for many times, increase the effect of separation; the upper sieve frame 112 and the lower sieve frame 113 are inclinedly arranged, the garbage such as plastic and high hardness slides along the upper sieve frame 112 and the lower sieve frame 113 and falls into the collecting bin on one side of the coarse separation mechanism 1 for centralized treatment, and the organic garbage falls into the baffle conveyor belt 14 through the discharge bin 114, realizing separation and treatment of the organic garbage and the garbage such as plastic and high hardness respectively.

[0054] After the organic garbage enters the crushing bin 22, the two crushing discs 29 can preliminarily crush the organic garbage, crush the organic garbage into smaller garbage chips, and facilitate subsequent processing of the organic garbage; the support 24 supports the material bin 21, the crushing bin 22 and the connecting bin 23, and prevents the crushing bin 22 from vibrating greatly when the two crushing discs 29 rotate rapidly.

[0055] The garbage pieces fall into the cavity in the bin body 31 through the rectangular through slot connecting the bin 23 and the cover 32, the second cylinder 341 controls the second extrusion plate 342 to extrude the garbage pieces, the water contained in the garbage pieces can be extruded out through extrusion, the extruded wastewater flows into the pipeline through the liquid outlet 36 and is transported into the wastewater treatment system for harmless treatment; the water in the garbage pieces is extruded out, so that the garbage pieces remain dry, and the subsequent garbage treatment work can be carried out smoothly; the second extrusion plate 342 stops moving after extruding the garbage to the first extrusion plate 332, the first extrusion plate 332 continues to extrude the garbage, further compresses the volume of the garbage pieces, and can remove the water in the garbage pieces to the greatest extent; after the rotary door 353 is opened, the first extrusion plate 332 can push the garbage pieces out of the rotary door 353 from the bin body 31, so that the garbage pieces enter the screw feeder and are transported to the next processing equipment by the screw feeder.

[0056] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A rural organic waste pretreatment equipment, characterized in that: Including rough division mechanism (1), one end below of rough division mechanism (1) is equipped with the smashing assembly (2), and the bottom of smashing assembly (2) is fixedly connected with extrusion assembly (3); The rough division mechanism (1) includes multiple screening assemblies (11) arranged obliquely, and multiple screening assemblies (11) are provided below a partition conveyor belt (14); The smashing assembly (2) includes a hopper (21) located below the end of the partition conveyor belt (14) and corresponding to the position of the partition conveyor belt (14); The bottom of the hopper (21) is welded to the top of a smashing bin (22), and two smashing discs (29) are symmetrically arranged in the smashing bin (22); A connecting bin (23) is provided below the smashing bin (22); The extrusion assembly (3) includes a bin body (31), and a cover (32) is arranged on the inner side of the upper end of the bin body (31), and the cover (32) is fixedly connected with the connecting bin (23), and the connecting bin (23) is in communication with the space inside the bin body (31); A second extrusion mechanism (34) is arranged at one end of the bin body (31), a first extrusion mechanism (33) is arranged on the side of the bin body (31) close to the partition conveyor belt (14), and a rotary door mechanism (35) is arranged on the side of the bin body (31) away from the first extrusion mechanism (33), and the side of the rotary door mechanism (35) away from the bin body (31) is provided with a spiral feeder.

2. The urban and rural organic waste pretreatment equipment according to claim 1, characterized in that: Multiple screening assemblies (11) have the same structure, and the screening assembly (11) includes a frame (111), an upper layer of screening frame (112) is fixedly connected to the inner side of the upper end of the frame (111), and a lower layer of screening frame (113) is fixedly connected to the lower end of the frame (111); The bottom of the frame (111) is fixedly connected with a discharge bin (114), and the discharge bin (114) is located above the partition conveyor belt (14) and corresponds to the position of the partition conveyor belt (14); Multiple sets of springs (116) are fixedly connected to the outer sides of both ends of the frame (111), and the bottoms of the multiple sets of springs (116) are fixedly connected with multiple supporting legs (115), respectively; A drive assembly (117) is arranged on one side of the frame (111).

3. The urban and rural organic waste pretreatment equipment according to claim 2, characterized in that: The drive assembly (117) includes a connecting shaft (1176), both ends of the connecting shaft (1176) are rotatably connected with the frame (111) through bearings, and both ends of the connecting shaft (1176) are fixedly connected with counterweights (1177); One end of the connecting shaft (1176) extends to the outside of the frame (111) and is coaxially fixedly connected with a driven pulley (1174), a driving pulley (1173) is arranged below the driven pulley (1174), and the driving pulley (1173) is in transmission connection with the driven pulley (1174) through a belt (1175); The middle of the driving pulley (1173) is fixedly connected with the output shaft of a second motor (1171), and the bottom of the second motor (1171) is fixedly connected with a placing table (1172).

4. The urban and rural organic waste pretreatment equipment according to claim 3, characterized in that: The bottom of the placing table (1172) and the plurality of legs (115) are fixedly connected with the chassis (12), the bottom of the chassis (12) is connected with the top cover of the stand (13), the partition conveying belt (14) is located inside the chassis (12), and the bottom of the partition conveying belt (14) is fixedly connected with the top of the stand (13).

5. The urban and rural organic waste pretreatment equipment according to claim 4, characterized in that: The crushing teeth on the two crushing discs (29) are staggered, and a transmission shaft (20) is coaxially and fixedly connected to the middle of each of the two crushing discs (29), both ends of the two transmission shafts (20) are rotatably connected with the crushing bin (22) through bearings, and one end of each of the two transmission shafts (20) extends to the outside of the crushing bin (22) and is fixedly connected with a driven gear (27) and a driving gear (28) respectively; the driven gear (27) and the driving gear (28) are in meshing connection, and the end of the transmission shaft (20) fixedly connected with the driving gear (28) is fixedly connected with the motor one (26).

6. The urban and rural organic waste pretreatment equipment according to claim 5, characterized in that: The bottom of the motor one (26) is fixedly connected with the support (24), the crushing disc (29) is located inside the support (24), and a plurality of angle irons (25) are fixedly connected to each side of the crushing disc (29) through screws, and one side of each of the plurality of angle irons (25) away from the crushing disc (29) is fixedly connected with the support (24) through bolts; the bottom of the crushing disc (29) is welded with the top of the connecting bin (23).

7. The urban and rural organic waste pretreatment equipment according to claim 6, characterized in that: The cover (32) is provided with a rectangular through slot, and the lower end of the connecting bin (23) is located inside the rectangular through slot of the cover (32); the first extrusion mechanism (33) and the second extrusion mechanism (34) are located below the cover (32); the lower end of the bin body (31) is provided with a liquid outlet (36), the liquid outlet (36) is fixedly connected with a pipeline, and one end of the pipeline away from the bin body (31) is connected with a wastewater treatment system.

8. The urban and rural organic waste pretreatment equipment according to claim 7, characterized in that: The first extrusion mechanism (33) comprises a first cylinder (331) fixedly connected with the outside of the bin body (31), and the telescopic rod of the first cylinder (331) is located inside the bin body (31) and fixedly connected with a first extrusion plate (332); the second extrusion mechanism (34) comprises a second cylinder (341) fixedly connected with the outer end of the bin body (31), and the telescopic rod of the second cylinder (341) is located inside the bin body (31) and fixedly connected with a second extrusion plate (342).

9. The urban and rural organic waste pretreatment equipment according to claim 8, characterized in that: The rotating door mechanism (35) comprises a rotating door (353) rotatably connected with the outside of the bin body (31), the rotating door (353) is fixedly connected with a connecting rod (352) outside, one end of the connecting rod (352) is rotatably connected with the telescopic rod of a third cylinder (351), one end of the third cylinder (351) away from the rotating door (353) is rotatably connected with a connecting piece (354), and the connecting piece (354) is fixedly connected with the outside of one end of the bin body (31) away from the second cylinder (341).

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