Livestock and poultry manure sand-water separator

Abstract

The utility model relates to the technical field of livestock and poultry manure sand-water separators, in particular to a livestock and poultry manure sand-water separator, which is characterized in that livestock and poultry manure sand is heated to be dried by opening a first solid-liquid separation mechanism, and the crushed livestock and poultry manure sand is discharged into a screening mechanism; gravel in livestock and poultry excrement sand is screened through the screening mechanism, solids in liquid are centrifugally separated by opening the second solid-liquid separation mechanism, and the practicability of the equipment is improved; comprising a conveying mechanism; the device comprises a conveying mechanism and further comprises a first solid-liquid separation mechanism, an extrusion mechanism, a crushing mechanism, a screening mechanism and a second solid-liquid separation mechanism, the conveying mechanism is located on the left side of the first solid-liquid separation mechanism and communicates with the first solid-liquid separation mechanism, the extrusion mechanism is located above the first solid-liquid separation mechanism, and the crushing mechanism is installed on the extrusion mechanism; the screening mechanism is located below the first solid-liquid separation mechanism, and the extrusion mechanism is located on the right side of the first solid-liquid separation mechanism.

Description

Technical Field

[0001] The utility model relates to the technical field of livestock and poultry manure sand - water separators, in particular to a livestock and poultry manure sand - water separator. Background Technique

[0002] The separation of sand and water from livestock and poultry manure is an important link in the process of livestock and poultry breeding. The main purpose is to separate the solid particles from the liquid in the manure, so as to facilitate subsequent treatment and resource utilization.

[0003] For example, in a class of prior art represented by the livestock and poultry manure sand - water separator disclosed in the utility model patent with the application number 202023209446.5, its main structure includes a hopper, a conveying shell, a conveyor belt, a vibrating screen, a rotating motor, etc. The separation of sand and water from livestock and poultry manure is achieved through the cooperation of structures such as the hopper, the conveying shell, the conveyor belt, the vibrating screen, and the rotating motor.

[0004] In traditional livestock and poultry manure sand - water separators, some sand and stones are still wrapped with feces and are difficult to separate, which affects the sand removal effect and makes sand cleaning difficult. Moreover, there is still a small amount of sediment in the discharged liquid, which affects subsequent treatment. Summary of the Utility Model

[0005] To solve the above - mentioned technical problems, the utility model provides a livestock and poultry manure sand - water separator which improves the practicality of the equipment. The separator heats the livestock and poultry manure sand to make it dry by opening the first solid - liquid separation mechanism, rotates the extrusion mechanism to make the crushing mechanism enter the first solid - liquid separation mechanism to crush the livestock and poultry manure sand and water, discharges the crushed livestock and poultry manure sand into the screening mechanism, screens the sand and stones in the livestock and poultry manure sand through the screening mechanism, and centrifugally separates the solids in the liquid by opening the second solid - liquid separation mechanism.

[0006] A kind of livestock and poultry manure sand-water separator of the utility model includes a conveying mechanism; it also includes a first solid-liquid separation mechanism, an extrusion mechanism, a crushing mechanism, a screening mechanism and a second solid-liquid separation mechanism. The conveying mechanism is located on the left side of the first solid-liquid separation mechanism, and the conveying mechanism is communicated with the first solid-liquid separation mechanism. The extrusion mechanism is located above the first solid-liquid separation mechanism, the crushing mechanism is installed on the extrusion mechanism, the screening mechanism is located below the first solid-liquid separation mechanism, and the extrusion mechanism is located on the right side of the first solid-liquid separation mechanism; the livestock and poultry manure sand-water is discharged into the conveying mechanism, and the livestock and poultry manure sand-water is discharged into the first solid-liquid separation mechanism through the conveying mechanism. The first solid-liquid separation mechanism separates the solid and liquid of the livestock and poultry manure sand-water. The extrusion mechanism is extended to extrude the livestock and poultry manure sand in the first solid-liquid separation mechanism, so that the liquid in the livestock and poultry manure sand is discharged thoroughly. The liquid is discharged into the second solid-liquid separation mechanism through the first solid-liquid separation mechanism. The first solid-liquid separation mechanism is opened to heat the livestock and poultry manure sand to make it dry. The crushing mechanism is rotated by opening the extrusion mechanism to enter the first solid-liquid separation mechanism to crush the livestock and poultry manure sand-water. The crushed livestock and poultry manure sand is discharged into the screening mechanism. The screening mechanism screens the sand and stones in the livestock and poultry manure sand. The second solid-liquid separation mechanism is opened to centrifugally separate the solids in the liquid, improving the practicability of the equipment.

[0007] Preferably, the conveying mechanism includes a bracket, a first motor, a conveying shaft, a spiral blade, a conveying pipe, a feed hopper and a discharge pipe. The first motor is installed at the top of the bracket. The left end of the conveying shaft is connected to the output end of the first motor. The spiral blade is arranged on the conveying shaft. The conveying shaft is located in the conveying pipe. The conveying pipe is installed at the top of the bracket. The output end of the feed hopper is connected to the input end of the conveying pipe. The input end of the discharge pipe is connected to the output end of the conveying pipe; the livestock and poultry manure sand-water enters the conveying pipe through the feed hopper. The first motor is turned on to rotate the conveying shaft. The livestock and poultry manure sand-water is conveyed by the spiral blade, and the livestock and poultry manure sand-water enters the first solid-liquid separation mechanism through the discharge pipe, improving the practicability of the equipment.

[0008] Preferably, the first solid-liquid separation mechanism includes a first separation cylinder, a first screening barrel, an exhaust pipe, a first drain pipe and a discharge hopper. The first screening barrel is installed inside the first separation cylinder. The input end of the exhaust pipe is connected to the outer wall of the first separation cylinder. The input end of the first drain pipe is connected to the outer wall of the first separation cylinder. The top of the discharge hopper is connected to the bottom of the first screening barrel, and a valve is arranged at the lower part of the discharge hopper. The heater is installed on the outer wall of the first separation cylinder; the livestock and poultry manure sand-water is discharged into the first screening barrel. The first screening barrel separates the solid and liquid of the livestock and poultry manure sand-water. The liquid is discharged into the second solid-liquid separation mechanism through the first drain pipe. The heater is turned on to heat the livestock and poultry manure sand in the first screening barrel to make it dry. The gas during the heating process is discharged through the exhaust pipe. The dried livestock and poultry manure sand is discharged into the screening mechanism through the discharge hopper, improving the practicability of the equipment.

[0009] Preferably, the extrusion mechanism includes a second motor, a rotating shaft, a first cylinder, and an extrusion plate. The rotating shaft is installed at the output end of the second motor. The top end of the first cylinder is installed at the left end of the rotating shaft. The top end of the extrusion plate is installed at the bottom end of the first cylinder. By turning on the second motor, the rotating shaft rotates. By extending the first cylinder, the livestock manure sand in the first screening barrel is extruded through the extrusion plate, so that the excess liquid in the livestock manure sand is discharged, improving the practicability of the equipment.

[0010] Preferably, the crushing mechanism includes a multi-stage electric cylinder, a mounting frame, a cover plate, a third motor, a crushing shaft, and multiple crushing rollers. The top end of the mounting frame is installed at the bottom end of the multi-stage electric cylinder. The top end of the cover plate is installed at the bottom end of the mounting frame. The third motor is installed at the top end of the cover plate. The top end of the crushing shaft is installed at the output end of the third motor. Multiple crushing rollers are arranged on the crushing shaft. By extending the multi-stage electric cylinder, the crushing shaft enters the first screening barrel. The cover plate is installed on the multi-stage electric cylinder through the mounting frame. By turning on the third motor, the crushing shaft rotates, and the dry livestock manure sand is crushed by the multiple crushing rollers respectively, improving the practicability of the equipment.

[0011] Preferably, the screening mechanism includes a separation sieve and a first collection barrel. The bottom end of the first collection barrel is installed at the top end of the separation sieve. The dry livestock manure sand is screened by the separation sieve, and the screened livestock manure sand is collected by the first collection barrel, improving the practicability of the equipment.

[0012] Preferably, the second solid-liquid separation mechanism includes a second collection barrel, a second screening barrel, a toothed ring, a gear, a fourth motor, and a second drain pipe. The second screening barrel is rotatably installed in the second collection barrel. A valve is arranged at the output end of the second screening barrel. The inner ring of the toothed ring is installed on the outer wall of the output end of the second collection barrel. The outer ring of the toothed ring meshes with the outer ring of the gear. The inner ring of the gear is installed on the output of the fourth motor. The input end of the second drain pipe is connected to the outer wall of the second collection barrel. A valve is arranged on the second drain pipe. The liquid is discharged into the second screening barrel. By turning on the fourth motor, the gear rotates. The second screening barrel rotates through the meshing of the gear and the toothed ring, and the liquid is separated. The separated liquid is discharged through the second drain pipe, and the solid in the second screening barrel is discharged through the second screening barrel, improving the practicability of the equipment.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows: The livestock and poultry manure sewage and sand are discharged into the conveying mechanism, and then discharged into the first solid-liquid separation mechanism by the conveying mechanism. The first solid-liquid separation mechanism separates the solid and liquid of the livestock and poultry manure sewage and sand. The stretching and extrusion mechanism extrudes the livestock and poultry manure sewage and sand in the first solid-liquid separation mechanism to thoroughly discharge the liquid in the livestock and poultry manure sewage and sand. The liquid is discharged into the second solid-liquid separation mechanism through the first solid-liquid separation mechanism. The livestock and poultry manure sewage and sand are heated to be dried by opening the first solid-liquid separation mechanism. The crushing mechanism enters the first solid-liquid separation mechanism to crush the livestock and poultry manure sewage and sand by opening the extrusion mechanism to rotate. The crushed livestock and poultry manure sewage and sand are discharged into the screening mechanism, and the screening mechanism screens the sand and stones in the livestock and poultry manure sewage and sand. The solids in the liquid are centrifugally separated by opening the second solid-liquid separation mechanism, improving the practicability of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is the axonometric schematic diagram of the present utility model;

[0015] Figure 2 is the front sectional view of the conveying mechanism of the present utility model;

[0016] Figure 3 is the axonometric schematic diagram of the first solid-liquid separation mechanism of the present utility model;

[0017] Figure 4 is the axonometric schematic diagram of the extrusion mechanism of the present utility model;

[0018] Figure 5 is the axonometric schematic diagram of the crushing mechanism of the present utility model;

[0019] Figure 6 is the axonometric schematic diagram of the screening mechanism of the present utility model;

[0020] Figure 7 is the axonometric schematic diagram of the second solid-liquid separation mechanism of the present utility model.

[0021] Reference numerals in the drawings: 01, conveying mechanism; 11, support; 12, first motor; 13, conveying shaft; 14, spiral blade; 15, conveying pipe; 16, feed hopper; 17, discharge pipe; 02, first solid-liquid separation mechanism; 21, first separation cylinder; 22, first screening cylinder; 23, exhaust pipe; 24, first drain pipe; 25, discharge hopper; 26, heater; 03, extrusion mechanism; 31, second motor; 32, rotating shaft; 33, first cylinder; 34, extrusion plate; 04, crushing mechanism; 41, multi-stage electric cylinder; 42, mounting bracket; 43, cover plate; 44, third motor; 45, crushing shaft; 46, crushing roller; 05, screening mechanism; 51, separation sieve; 52, first collection bucket; 06, second solid-liquid separation mechanism; 61, second collection bucket; 62, second screening cylinder; 63, toothed ring; 64, gear; 65, fourth motor; 66, second drain pipe. Detailed implementation mode

[0022] For the convenience of understanding the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

[0023] Embodiment 1

[0024] As Figure 1 shown, it includes a conveying mechanism 01; it also includes a first solid-liquid separation mechanism 02, an extrusion mechanism 03, a crushing mechanism 04, a screening mechanism 05 and a second solid-liquid separation mechanism 06. The conveying mechanism 01 is located on the left side of the first solid-liquid separation mechanism 02, and the conveying mechanism 01 is communicated with the first solid-liquid separation mechanism 02. The extrusion mechanism 03 is located above the first solid-liquid separation mechanism 02. The crushing mechanism 04 is installed on the extrusion mechanism 03. The screening mechanism 05 is located below the first solid-liquid separation mechanism 02. The extrusion mechanism 03 is located on the right side of the first solid-liquid separation mechanism 02;

[0025] Discharge the livestock and poultry manure sand and water into the conveying mechanism 01, and through the conveying mechanism 01, discharge the livestock and poultry manure sand and water into the first solid-liquid separation mechanism 02. Carry out solid-liquid separation on the livestock and poultry manure sand and water through the first solid-liquid separation mechanism 02, and squeeze the livestock and poultry manure sand in the first solid-liquid separation mechanism 02 through the stretching and squeezing mechanism 03 to thoroughly discharge the liquid in the livestock and poultry manure sand. The liquid is discharged into the second solid-liquid separation mechanism 06 through the first solid-liquid separation mechanism 02. Heat and dry the livestock and poultry manure sand by opening the first solid-liquid separation mechanism 02. Rotate the squeezing mechanism 03 to make the crushing mechanism 04 enter the first solid-liquid separation mechanism 02 to crush the livestock and poultry manure sand and water. Discharge the crushed livestock and poultry manure sand into the screening mechanism 05, and screen the sand and stones in the livestock and poultry manure sand through the screening mechanism 05. Open the second solid-liquid separation mechanism 06 to centrifugally separate the solids in the liquid, improving the practicability of the equipment;

[0026] As Figure 2 shown, the conveying mechanism 01 includes a bracket 11, a first motor 12, a conveying shaft 13, a spiral blade 14, a conveying pipe 15, a feed hopper 16 and a discharge pipe 17. The first motor 12 is installed at the top of the bracket 11. The left end of the conveying shaft 13 is connected to the output end of the first motor 12. The spiral blade 14 is arranged on the conveying shaft 13. The conveying shaft 13 is located inside the conveying pipe 15. The conveying pipe 15 is installed at the top of the bracket 11. The output end of the feed hopper 16 is connected to the input end of the conveying pipe 15. The input end of the discharge pipe 17 is connected to the output end of the conveying pipe 15;

[0027] As Figure 3 shown, the first solid-liquid separation mechanism 02 includes a first separation cylinder 21, a first screening barrel 22, an exhaust pipe 23, a first liquid discharge pipe 24 and a discharge hopper 25. The first screening barrel 22 is installed inside the first separation cylinder 21. The input end of the exhaust pipe 23 is connected to the outer wall of the first separation cylinder 21. The input end of the first liquid discharge pipe 24 is connected to the outer wall of the first separation cylinder 21. The top of the discharge hopper 25 is connected to the bottom of the first screening barrel 22, and a valve is arranged at the lower part of the discharge hopper 25. A heater 26 is installed on the outer wall of the first separation cylinder 21;

[0028] The livestock and poultry manure sand and water enter the transmission pipeline 15 through the feed hopper 16. By turning on the first motor 12, the transmission shaft 13 rotates, and the livestock and poultry manure sand and water are conveyed by the spiral blade 14. Then the livestock and poultry manure sand and water enter the first solid-liquid separation mechanism 02 through the discharge pipe 17, and are discharged into the first screening barrel 22. The first screening barrel 22 separates the solid and liquid of the livestock and poultry manure sand and water. The liquid is discharged into the second solid-liquid separation mechanism 06 through the first drain pipe 24. By turning on the heater 26, the livestock and poultry manure sand in the first screening barrel 22 is heated to make it dry. The gas during the heating process is discharged through the exhaust pipe 23. The dried livestock and poultry manure sand is discharged into the screening mechanism 05 through the discharge hopper 25, improving the practicability of the equipment.

[0029] Embodiment 2

[0030] As Figures 4 to 6 shown, on the basis of Embodiment 1, it further includes an extrusion mechanism 03, a crushing mechanism 04 and a screening mechanism 05. The extrusion mechanism 03 includes a second motor 31, a rotating shaft 32, a first cylinder 33 and an extrusion plate 34. The rotating shaft 32 is installed on the output end of the second motor 31. The top of the first cylinder 33 is installed at the left end of the rotating shaft 32. The top of the extrusion plate 34 is installed at the bottom of the first cylinder 33. The crushing mechanism 04 includes a multi-stage electric cylinder 41, a mounting frame 42, a cover plate 43, a third motor 44, a crushing shaft 45 and a plurality of crushing rollers 46. The top of the mounting frame 42 is installed at the bottom of the multi-stage electric cylinder 41. The top of the cover plate 43 is installed at the bottom of the mounting frame 42. The third motor 44 is installed on the top of the cover plate 43. The top of the crushing shaft 45 is installed on the output end of the third motor 44. A plurality of crushing rollers 46 are arranged on the crushing shaft 45. The screening mechanism 05 includes a separation screen 51 and a first collection barrel 52. The bottom of the first collection barrel 52 is installed on the top of the separation screen 51.

[0031] By turning on the second motor 31, the rotating shaft 32 rotates. By extending the first cylinder 33, the extrusion plate 34 extrudes the livestock and poultry manure sand in the first screening barrel 22, so that the excess liquid in the livestock and poultry manure sand is discharged. By extending the multi-stage electric cylinder 41, the crushing shaft 45 enters the first screening barrel 22. The cover plate 43 is installed on the multi-stage electric cylinder 41 through the mounting frame 42. By turning on the third motor 44, the crushing shaft 45 rotates, and the dried livestock and poultry manure sand is crushed by a plurality of crushing rollers 46 respectively. The dried livestock and poultry manure sand is screened by the separation screen 51, and the screened livestock and poultry manure sand is collected by the first collection barrel 52, improving the practicability of the equipment.

[0032] Embodiment 3

[0033] As Figure 7As shown in the figure, on the basis of Embodiment 1, it further includes a second solid-liquid separation mechanism 06. The second solid-liquid separation mechanism 06 includes a second collection barrel 61, a second screening barrel 62, a toothed ring 63, a gear 64, a fourth motor 65, and a second drain pipe 66. The second screening barrel 62 is rotatably installed in the second collection barrel 61. A valve is provided at the output end of the second screening barrel 62. The inner ring of the toothed ring 63 is installed on the outer wall of the output end of the second collection barrel 61. The outer ring of the toothed ring 63 meshes with the outer ring of the gear 64. The inner ring of the gear 64 is installed on the output of the fourth motor 65. The input end of the second drain pipe 66 is connected to the outer wall of the second collection barrel 61. A valve is provided on the second drain pipe 66.

[0034] The liquid is discharged into the second screening barrel 62. By turning on the fourth motor 65, the gear 64 rotates. Through the meshing of the gear 64 and the toothed ring 63, the second screening barrel 62 rotates to separate the liquid. The separated liquid is discharged through the second drain pipe 66, and the solids in the second screening barrel 62 are discharged through the second screening barrel 62, improving the practicability of the equipment.

[0035] As Figures 1 to 7 As shown in the figure, for a livestock and poultry manure sand-water separator of the present utility model, during operation, first, the livestock and poultry manure sand-water enters the conveying pipe 15 through the feed hopper 16. By turning on the first motor 12, the conveying shaft 13 rotates. The livestock and poultry manure sand-water is conveyed by the spiral blade 14, and the livestock and poultry manure sand-water enters the first solid-liquid separation mechanism 02 through the discharge pipe 17. Then, the livestock and poultry manure sand-water is discharged into the first screening barrel 22. The first screening barrel 22 separates the solid and liquid of the livestock and poultry manure sand-water. The liquid is discharged into the second solid-liquid separation mechanism 06 through the first drain pipe 24. By turning on the heater 26, the livestock and poultry manure sand in the first screening barrel 22 is heated to dry it. The gas during the heating process is discharged through the exhaust pipe 23. The dried livestock and poultry manure sand is discharged into the screening mechanism 05 through the discharge hopper 25. Then, by turning on the second motor 31, the rotating shaft 32 rotates. By extending the first cylinder 33, the extrusion plate 34 extrudes the livestock and poultry manure sand in the first screening barrel 22 to discharge the excess liquid in the livestock and poultry manure sand. Then, by extending the multi-stage electric cylinder 41, the crushing shaft 45 enters the first screening barrel 22. The cover plate 43 is installed on the multi-stage electric cylinder 41 through the mounting frame 42. By turning on the third motor 44, the crushing shaft 45 rotates, and the dried livestock and poultry manure sand is crushed by multiple crushing rollers 46 respectively. Then, the dried livestock and poultry manure sand is screened by the separation screen 51. The screened livestock and poultry manure sand is collected by the first collection barrel 52. Finally, the liquid is discharged into the second screening barrel 62. By turning on the fourth motor 65, the gear 64 rotates. Through the meshing of the gear 64 and the toothed ring 63, the second screening barrel 62 rotates to separate the liquid. The separated liquid is discharged through the second drain pipe 66, and the solids in the second screening barrel 62 are discharged through the second screening barrel 62, improving the practicability of the equipment.

[0036] The first motor 12, heater 26, second motor 31, third motor 44 and fourth motor 65 of the present utility model are purchased on the market. Those skilled in the industry only need to install and operate them according to the attached operation manuals, without the need for creative labor from those skilled in the art.

[0037] The main functions achieved by the present utility model are as follows: heating and drying the livestock and poultry manure sand by opening the first solid-liquid separation mechanism 02; rotating the extrusion mechanism 03 to enable the crushing mechanism 04 to enter the first solid-liquid separation mechanism 02 to crush the livestock and poultry manure sand and water; discharging the crushed livestock and poultry manure sand into the screening mechanism 05; screening the sand and stones in the livestock and poultry manure sand by the screening mechanism 05; and improving the practicability of the equipment by opening the second solid-liquid separation mechanism 06 to centrifugally separate the solids in the liquid.

[0038] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the technical principle of the present utility model, several improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. A livestock and poultry manure sand-water separator, comprising a conveying mechanism (01); characterized in that, It also includes a first solid-liquid separation mechanism (02), an extrusion mechanism (03), a crushing mechanism (04), a screening mechanism (05) and a second solid-liquid separation mechanism (06). The conveying mechanism (01) is located on the left side of the first solid-liquid separation mechanism (02), and the conveying mechanism (01) is communicated with the first solid-liquid separation mechanism (02). The extrusion mechanism (03) is located above the first solid-liquid separation mechanism (02). The crushing mechanism (04) is installed on the extrusion mechanism (03). The screening mechanism (05) is located below the first solid-liquid separation mechanism (02). The extrusion mechanism (03) is located on the right side of the first solid-liquid separation mechanism (02).

2. The livestock and poultry manure sand-water separator according to claim 1, characterized in that The conveying mechanism (01) includes a bracket (11), a first motor (12), a conveying shaft (13), a spiral blade (14), a conveying pipe (15), a feed hopper (16) and a discharge pipe (17). The first motor (12) is installed at the top of the bracket (11). The left end of the conveying shaft (13) is connected to the output end of the first motor (12). The spiral blade (14) is arranged on the conveying shaft (13). The conveying shaft (13) is located inside the conveying pipe (15). The conveying pipe (15) is installed at the top of the bracket (11). The output end of the feed hopper (16) is connected to the input end of the conveying pipe (15). The input end of the discharge pipe (17) is connected to the output end of the conveying pipe (15).

3. The livestock and poultry manure sand-water separator according to claim 1, characterized in that, The first solid-liquid separation mechanism (02) includes a first separation cylinder (21), a first screening barrel (22), an exhaust pipe (23), a first drain pipe (24) and a discharge hopper (25). The first screening barrel (22) is installed inside the first separation cylinder (21). The input end of the exhaust pipe (23) is connected to the outer wall of the first separation cylinder (21). The input end of the first drain pipe (24) is connected to the outer wall of the first separation cylinder (21). The top of the discharge hopper (25) is connected to the bottom end of the first screening barrel (22), and a valve is arranged at the lower part of the discharge hopper (25). A heater (26) is installed on the outer wall of the first separation cylinder (21).

4. The livestock and poultry manure sand-water separator according to claim 1, wherein The extrusion mechanism (03) includes a second motor (31), a rotating shaft (32), a first cylinder (33) and an extrusion plate (34). The rotating shaft (32) is installed on the output end of the second motor (31). The top of the first cylinder (33) is installed at the left end of the rotating shaft (32). The top of the extrusion plate (34) is installed at the bottom end of the first cylinder (33).

5. The livestock and poultry manure sand and water separator according to claim 1, characterized in that, The crushing mechanism (04) includes a multi-stage electric cylinder (41), a mounting frame (42), a cover plate (43), a third motor (44), a crushing shaft (45) and a plurality of crushing rollers (46). The top of the mounting frame (42) is installed at the bottom end of the multi-stage electric cylinder (41). The top of the cover plate (43) is installed at the bottom end of the mounting frame (42). The third motor (44) is installed on the top of the cover plate (43). The top of the crushing shaft (45) is installed on the output end of the third motor (44). A plurality of crushing rollers (46) are arranged on the crushing shaft (45).

6. The livestock and poultry manure sand-water separator according to claim 1, characterized in that, The screening mechanism (05) includes a separation screen (51) and a first collection barrel (52). The bottom end of the first collection barrel (52) is installed on the top of the separation screen (51).

7. The livestock and poultry manure sand and water separator according to claim 1, characterized in that, The second solid-liquid separation mechanism (06) includes a second collection barrel (61), a second screening barrel (62), a toothed ring (63), a gear (64), a fourth motor (65) and a second drain pipe (66). The second screening barrel (62) is rotatably installed in the second collection barrel (61). A valve is provided at the output end of the second screening barrel (62). The inner ring of the toothed ring (63) is installed on the outer wall of the output end of the second collection barrel (61). The outer ring of the toothed ring (63) meshes with the outer ring of the gear (64). The inner ring of the gear (64) is installed on the output of the fourth motor (65). The input end of the second drain pipe (66) is connected to the outer wall of the second collection barrel (61). A valve is provided on the second drain pipe (66).

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