Livestock and poultry manure impurity removal device

Abstract

The invention provides a livestock and poultry manure impurity removal device which comprises a material box, a feeding device, a screening device and a stirring device, materials enter the material box from the feeding device, most impurities in the materials can be removed through stirring and material pushing effects of the stirring device and screening of the screening device, and the impurities in the materials can be removed. Materials are primarily screened through the feeding device, the materials are homogenized and pushed through the stirring device, the materials are secondarily screened through the screening device, and most impurities in the materials can be removed, so that the cost of manually picking the impurities is saved, the failure rate of the reactor is reduced, and the production efficiency is improved. The agricultural solid waste treatment effect is improved, impurities left on the second sieve plate can be removed through a conveyor belt scraper in the operation process, the material screening efficiency is improved, and the second sieve plate is prevented from being blocked.

Description

Technical Field

[0001] The invention belongs to the field of agricultural waste treatment, and in particular relates to a livestock and poultry excrement impurity removal device. Background Art

[0002] In modern animal husbandry and agricultural production, livestock and poultry manure is an important biomass resource. Its rational treatment and utilization is not only related to environmental protection, but also a key link in achieving resource recycling. However, livestock and poultry manure is often mixed with various impurities such as stones, plastic fragments, and metal pieces. The presence of these impurities causes damage to the processing equipment, reduces the processing efficiency of livestock and poultry manure, and seriously restricts the subsequent resource utilization process of livestock and poultry manure.

[0003] The utility model patent with patent number CN219150776U provides a high-efficiency impurity removal device for raw materials used in fertilizer production, which achieves separation of fluff impurities from materials by synchronously vibrating the feed hopper 201, the fixed plate 202, and the lower hopper 205, and using the fan 304 to blow the materials. However, there are many types of impurities in livestock and poultry manure, and the invention cannot remove impurities with higher density other than fluff. Moreover, when the solid content of the material is low or the viscosity of the material is high, the impurities are tightly combined with the material, and the invention cannot separate the impurities. Summary of the invention

[0004] In order to solve the above technical problems, the present invention provides a livestock and poultry excrement impurity removal device. The technical solution of the present invention is as follows: A livestock and poultry manure impurity removal device comprises a material box with an upper opening, a feeding device is arranged on one side of the upper opening of the material box, and a screening device is arranged on the other side, a stirring device is installed inside the material box and below the feeding device, the feeding device comprises a screen plate 1 with an inclined angle, side baffles are arranged on both sides of the screen plate 1, a motor 1 and a vibration spring are arranged on the outer side of the side baffle, the screening device comprises a conveyor belt and a motor 2, the conveyor belt can be driven to rotate by the motor 2, a plurality of conveyor belt scrapers are fixed on the conveyor belt, a screen plate 2 is arranged below the conveyor belt, the screen plate 2 is in contact with the conveyor belt scraper, the screen hole diameter of the screen plate 2 is smaller than the screen hole diameter of the screen plate 1, the material enters the material box from the feeding device, and most of the impurities in the material can be removed through the stirring and pushing action of the stirring device and the screening of the screening device; Furthermore, a bracket is fixedly installed at the bottom of the material box, and the material box is fixedly installed on the ground through the bracket; Furthermore, the material box has an inclined material box bottom plate, and the material box is provided with a discharge port below the side wall on one side of the screening device, and the discharge port is connected to the reactor; Furthermore, a debris removal cavity is provided on the bottom plate of the material box at a position corresponding to the position below the screening device, a debris removal auger is provided in the debris removal cavity, and a debris removal port is provided at a position corresponding to the debris removal cavity at the bottom of the side wall of the material box, and the debris removal auger can discharge impurities in the debris removal cavity through the debris removal port; Furthermore, the screen plate 1 is provided with a feed trough at a high point, the feed trough is fixed above the side wall of the material box through a bracket, a push impeller is installed in the feed trough, and an impeller driving motor is installed below the push impeller; Further, a collection box 1 is provided at the low point of the sieve plate 1, and the lower edge of the sieve plate 1 is aligned with the opening plane of the collection box 1; Furthermore, the conveyor belt and the conveyor belt scraper are made of rubber, a discharge cavity is formed between the second screen plate and the side wall of the material box, the bottom end of the second screen plate is placed on the bottom plate of the material box, close to the edge of the impurity discharge cavity, and the top end of the second screen plate is supported on the side wall of the material box; Further, the second sieve plate is in contact with the conveyor belt scraper, and a second collecting box is provided on the side wall of the material box, and the upper edge of the second collecting box is flush with the upper edge of the second sieve plate; Furthermore, the stirring device includes a mounting flange, a stirring shaft and a stirring motor. The stirring shaft is mounted on the side wall of the material box through the mounting flange. Stirring blades are installed along the axial direction of the stirring shaft in a spiral distribution. The stirring shaft is connected to the stirring motor through a chain.

[0005] The present invention can bring the following beneficial effects: The present invention performs primary screening of materials through a feeding device, homogenizes and pushes the materials through a stirring device, and performs secondary screening of the materials through a screening device, thereby removing most of the impurities in the materials, thereby saving the cost of manual sorting of impurities, reducing the failure rate of the reactor, and improving the treatment effect of agricultural solid waste.

[0006] During operation, the conveyor belt scraper can remove the impurities remaining on the second screen plate, which not only improves the screening efficiency of the material but also avoids the blockage of the second screen plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0007] Figure 1 Axonometric drawing of the present invention at 0° direction Figure 2 Axonometric drawing of the present invention at 180° Figure 3 This is an internal cross-sectional view of the present invention Figure 4 A side sectional view of the present invention Figure 5 Feeding system structure diagram Figure 6 Side view of the feeding system Figure 7 Sieve system structure diagram Figure 8 Side view of the screening system Fig. 9 The structure diagram of the mixing system Fig.10 The working principle diagram of the present invention is Fig.11 This is a partial working state diagram of the present invention. In the figure: 1- bracket, 2- material box, 21- material box bottom plate, 22- material outlet, 23- impurity discharge chamber, 24- impurity discharge port, 25- material outlet chamber, 3- feeding device, 31- screen plate 1, 32- side baffle, 33- feeding trough, 34- pushing impeller, 35- motor 1, 36- vibration spring, 37- collecting box 1, 38- impeller drive motor, 4- screening device, 41- conveyor belt, 42- screen plate 2, 43- collecting box 2, 44- motor 2, 45- conveyor belt scraper, 5- impurity discharge auger, 6- stirring device, 61- mounting flange, 62- stirring blade wing, 63- stirring shaft, 64- stirring motor DETAILED DESCRIPTION

[0008] like Figure 1-4 As shown, the present invention is a livestock and poultry manure impurity removal device, the main body of the material box 2, the material box 2 is an upper open box structure, which has an inclined material box bottom plate 21, the material box 2 is fixedly installed on the ground by a bracket 1, a feeding device 3 is arranged at the upper opening of the material box 2, and a screening device 4 is arranged on the other side of the feeding device 3 of the material box 2, and a discharge port 22 is arranged below the side wall of the material box 2 on one side of the screening device 4, and the discharge port 22 is connected to the reactor, and a debris removal cavity 23 is arranged on the material box bottom plate 21 at a position corresponding to below the screening device 4, and a debris removal auger 5 is arranged in the debris removal cavity 23, and a debris removal port 24 is arranged at a position corresponding to the debris removal cavity 23 at the bottom of the side wall of the material box 2, and the debris removal auger 5 can discharge impurities in the debris removal cavity 23 through the debris removal port 24, and a stirring device 6 is installed inside the material box 2 and below the feeding device 3.

[0009] like Figure 1 , Figure 5 , Figure 6 As shown, the feeding device 3 includes a sieve plate 31, which has a certain inclination angle, and side baffles 32 are arranged on both sides of the length direction, and a motor 35 and a vibration spring 36 are arranged on the outside of the side baffles 32. The sieve plate 31 is provided with a feed trough 33 at the high point, and the feed trough 33 is fixed on the upper side wall of the material box 2 through a bracket. A push impeller 34 is installed in the feed trough 33, and the push impeller 34 is driven by an impeller drive motor 38. A collection box 37 is arranged at the low point of the sieve plate 31, and the edge of the sieve plate 31 is aligned with the opening plane of the collection box 37. When the motor 35 is turned on, the sieve plate 31 can be vibrated under the joint action of the motor 35 and the vibration spring 36, and the material passes through the sieve plate 31 and moves downward along the inclination angle. The material smaller than the aperture of the sieve plate 31 falls down after vibration screening, and the material larger than the aperture of the sieve plate 31 moves downward along the sieve plate and falls into the collection box 37 at the low point.

[0010] like Figure 4 , Figure 7 , Figure 8As shown, the screening device 4 includes a conveyor belt 41, on which a plurality of conveyor belt scrapers 45 are fixed, the conveyor belt 41 and the conveyor belt scrapers 45 are both made of rubber, a sieve plate 42 is arranged below the conveyor belt 41, the space formed between the sieve plate 42 and the side wall of the material box 2 is the discharge cavity 25, the sieve hole diameter of the sieve plate 42 is smaller than the sieve hole diameter of the sieve plate 1 31, the bottom end of the sieve plate 42 is placed on the bottom plate 21 of the material box, adjacent to the edge of the impurity removal cavity 23, the top end of the sieve plate 42 is supported on the side wall of the material box 2, the sieve plate 42 is in contact with the conveyor belt scrapers 45, a collecting box 43 is arranged on the side wall of the material box 2, the upper edge of the collecting box 43 is flush with the upper edge of the sieve plate 42, the conveyor belt 41 can be driven by the motor 44 to rotate clockwise, when the conveyor belt 41 rotates, the conveyor belt scraper 45 is driven to rotate, the scraper 45 can scrape off the impurities hanging on the sieve plate 42 and transport them to the collecting box 42.

[0011] like Fig. 9 As shown, the stirring device 6 includes a stirring shaft 63, which is installed on the side wall of the material box 2 through a mounting flange 61, and stirring blades 62 are installed along the axial direction of the stirring shaft 63 in a spiral distribution. The stirring shaft 63 is connected to a stirring motor 64 through a chain, and the stirring motor 64 can drive the stirring shaft 63 to rotate.

[0012] like Figure 10-11 FIG. 2 is a schematic diagram of the working state of the present invention.

[0013] When the device is in operation, the impeller driving motor 38 is first turned on to make the pusher impeller 34 start to rotate, and the motor 35 is turned on to make the screen plate 31 start to vibrate; Use a loader to load the material into the feed trough 33 from direction A, and the push impeller 34 pushes the material onto the screen plate 31. The material slides downward along the inclined angle of the screen plate 31, and the vibrating screen plate 31 oscillates and screens the material. The material and impurities with smaller particle sizes fall into the material box 2 from the sieve holes of the screen plate 31, and the impurities with larger particle sizes continue to slide along the inclined angle of the screen plate 31 into the collection box 37; Turn on the stirring motor 64, the stirring device 6 rotates in the clockwise direction, stirs the material in the material box 2 and pushes it along the material box bottom plate 21 to the vicinity of the screening device 4, turn on the motor 2 44, the conveyor belt scraper 45 and the conveyor belt 41 rotate in the clockwise direction, the conveyor belt scraper 45 pushes the material to the sieve plate 2 42, the material with a smaller particle size passes through the pores of the sieve plate 2 42 and enters the discharge chamber 25, a part of the impurities with a larger particle size are blocked by the sieve plate 2 42 and fall into the impurity discharge chamber 23, and another part of the impurities with a larger particle size are transported to the collection box 2 43 by the conveyor belt scraper 45, and the impurities hanging in the holes of the sieve plate 2 42 will also be scraped off by the conveyor belt scraper 45 and sent to the collection box 2 43; Start the impurity removal auger 5, and the impurities in the impurity removal chamber 23 can be discharged from the impurity removal port 24; The screened material in the discharge chamber 25 can enter the reactor through the discharge port 22 .

[0014] It is to be understood that the present invention is described by some embodiments, and it is known to those skilled in the art that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.

Claims

1. A livestock and poultry manure impurity removal device, comprising a material box (2) with an upper opening, a feeding device (3) being arranged on one side of the upper opening of the material box (2), and a screening device (4) being arranged on the other side, a stirring device (6) being arranged inside the material box (2) and below the feeding device (3), the feeding device (3) comprising a sieve plate (31) having an inclined angle, side baffles (32) being arranged on both sides of the sieve plate (31), a motor (35) and a vibration spring (36) being arranged on the outer side of the side baffle (32), the screening device (4) comprising a conveyor belt (41) and a motor (44), the conveyor belt (41) being rotatably driven by the motor (44), a plurality of conveyor belt scrapers (45) being fixed on the conveyor belt (41), a sieve plate (42) being arranged below the conveyor belt (41), the sieve plate (42) being in contact with the conveyor belt scraper (45), the sieve hole diameter of the sieve plate (42) being smaller than the sieve hole diameter of the sieve plate (31), and characterized in that: The material enters the material box (2) from the feeding device (3), is stirred and pushed by the stirring device (6), and is screened by the screening device (4), thereby removing most of the impurities in the material.

2. The livestock and poultry excrement removal device according to claim 1, characterized in that: A bracket (1) is fixedly mounted on the bottom of the material box (2), and the material box (2) is fixedly mounted on the ground through the bracket (1).

3. The livestock and poultry excrement removal device according to claim 2, characterized in that: The material box (2) has an inclined material box bottom plate (21), and the material box (2) is provided with a discharge port (22) below a side wall on one side of the screening device (4), and the discharge port (22) is connected to the reactor.

4. The livestock and poultry excrement removal device according to claim 3, characterized in that: A debris removal chamber (23) is provided on the material box bottom plate (21) at a position corresponding to below the screening device (4), and a debris removal auger (5) is provided in the debris removal chamber (23). A debris removal opening (24) is provided at a position corresponding to the debris removal chamber (23) at the bottom of the side wall of the material box (2), and the debris removal auger (5) can discharge impurities in the debris removal chamber (23) through the debris removal opening (24).

5. The livestock and poultry excrement removal device according to claim 4, characterized in that: The first screen plate (31) is provided with a feed trough (33) at a high point. The feed trough (33) is fixed above the side wall of the material box (2) through a bracket. A push impeller (34) is installed in the feed trough (33). An impeller driving motor (38) is installed below the push impeller (34).

6. The livestock and poultry excrement removal device according to claim 5, characterized in that: A collecting box (37) is provided at the low point of the sieve plate (31), and the lower edge of the sieve plate (31) is aligned with the opening plane of the collecting box (37).

7. The livestock and poultry excrement removal device according to claim 6, characterized in that: The conveyor belt (41) and the conveyor belt scraper (45) are both made of rubber. A discharge cavity (25) is formed between the second sieve plate (42) and the side wall of the material box (2). The bottom end of the second sieve plate (42) is placed on the bottom plate (21) of the material box, adjacent to the edge of the impurity discharge cavity (23). The top end of the second sieve plate (42) is supported on the side wall of the material box (2).

8. The livestock and poultry excrement removal device according to claim 7, characterized in that: The second sieve plate (42) is in contact with the conveyor belt scraper (45), and a second collecting box (43) is provided on the side wall of the material box (2), and the upper edge of the second collecting box (43) is flush with the upper edge of the second sieve plate (42).

9. The livestock and poultry excrement impurity removal device according to claim 8, characterized in that: The stirring device (6) comprises a mounting flange (61), a stirring shaft (63) and a stirring motor (64). The stirring shaft (63) is mounted on the side wall of the material box (2) via the mounting flange (61). Stirring blades (62) are installed along the axial direction of the stirring shaft (63) in a spiral arrangement. The stirring shaft (63) is connected to the stirring motor (64) via a chain.

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