Centrifugal livestock manure dewatering machine

Abstract

This invention discloses a centrifugal livestock manure dewatering machine, relating to the field of wastewater treatment technology. It includes a support assembly, an overflow assembly, a feeding assembly, and a drive assembly. The support assembly includes a dewatering tank with an inverted conical bottom. This centrifugal livestock manure dewatering machine, by activating the drive assembly, throws manure residue onto the inner wall of the dewatering tank, while the liquid forms a central column and finally overflows from the upper overflow weir. The dewatering tank has no sieve holes, preventing fiber clogging. Multiple sharp cutting edges fixed to the surface of the spiral feeding blades directly cut long fibers wrapped around the blades into short fibers, solving the problem that current dewatering equipment is not suitable for dewatering pig, chicken, and duck manure with high fiber content. Utilizing a high-speed centrifugal force field, it achieves efficient separation of the solid and liquid phases, effectively avoiding fiber entanglement and significantly extending the equipment's service life.

Description

Technical Field

[0001] This invention relates to the field of wastewater treatment technology, specifically to a centrifugal dewatering machine for livestock and poultry manure. Background Technology

[0002] Livestock and poultry refer to domesticated animals and poultry used for agricultural production. The core breeding and treatment targets are pigs, cattle, sheep, chickens, ducks, geese, etc. With the rapid development of large-scale and intensive livestock and poultry breeding, the discharge of livestock manure and flushing wastewater has increased significantly. Direct discharge of high-concentration organic wastewater can easily cause eutrophication of water bodies and groundwater pollution, making it difficult to meet environmental emission standards. Traditional natural sedimentation and simple screening treatments are inefficient and incomplete in solid-liquid separation. The content of suspended solids and organic matter in wastewater remains high, which greatly increases the load and operating cost of subsequent biochemical treatment.

[0003] In the prior art, such as Chinese Patent No. CN223646445U, a dewatering machine for livestock and poultry manure is disclosed, which relates to the field of manure dewatering technology. In view of the problem that in the prior art, as the manure is gradually squeezed and dewatered, the manure is prone to clump into cakes in the cylinder, which increases the difficulty of discharging the manure after the cakes are formed, the following solution is proposed, which includes a base plate, and a conveying cylinder is arranged above the base plate, and a spiral conveying roller is rotatably connected inside the conveying cylinder.

[0004] However, in the existing technology, pig manure, chicken manure, and duck manure are typical examples of livestock and poultry manure with high fiber content and high sand content. When processing this type of manure, common extrusion dewatering machines have obvious shortcomings. The long fibers in livestock and poultry manure are very easy to get tangled in the spiral blades and screen gaps, causing the equipment to malfunction and thus shortening the service life of the equipment.

[0005] Therefore, we propose a centrifugal livestock manure dewatering machine to solve the problems mentioned above. Summary of the Invention

[0006] The purpose of this invention is to provide a centrifugal livestock and poultry manure dewatering machine to solve the problem mentioned in the background art that current dewatering equipment is not conducive to the dewatering of pig manure, chicken manure, and duck manure with high fiber content.

[0007] To achieve the above objectives, the present invention provides the following technical solution: a centrifugal livestock and poultry manure dewatering machine, comprising a support assembly, an overflow assembly, a pushing assembly, and a drive assembly. The support assembly includes a dewatering barrel, the bottom of which is inverted conical. A slag discharge channel is fixedly connected to the outer surface of the bottom of the dewatering barrel. The pushing assembly includes a spiral pushing blade, which is used to push the dewatered manure slag towards the outlet direction. A drainage groove is provided at the top of the spiral pushing blade. Multiple wave segments are provided on one side of the outer surface of the spiral pushing blade, and the outer surfaces of several of the upper wave segments are in contact with the inner wall of the dewatering barrel. Multiple cutting blades are fixedly connected to the inner surface of the spiral pushing blade. A fixing rod is fixedly connected between the bottom inner walls of the spiral pushing blade, and a support rotating rod is fixedly connected to the bottom of the fixing rod.

[0008] Preferably, the support assembly further includes a bearing base plate, the bottom of which is also fixedly connected to a bearing base, a supporting rotating ring is fixedly connected to the top of the bearing base plate near the inner wall, multiple support plates are fixedly connected to the top edge of the bearing base plate, an outer cylinder is fixedly connected between the tops of the multiple support plates, and a movable connecting groove is provided on the inner wall of the outer cylinder near the top, with a movable connecting ring rotatably connected to the inner wall of the movable connecting groove.

[0009] Preferably, a positioning ring is fixedly connected to the inner wall of the movable connecting ring, and multiple overflow ports are provided on the inner wall of the positioning ring near its bottom. An adjustment groove is provided between the bottom of the positioning ring and the top of the dehydration tank. An upper sealing ring is provided at the bottom of the positioning ring, and a lower sealing ring is provided at the top of the dehydration tank.

[0010] Preferably, a rotating hole is provided in the middle of the bottom surface of the dehydration bucket, and a sealing rotating shaft is provided on the inner wall of the rotating hole. The inner wall of the sealing rotating shaft is fixedly connected to the outer surface of the fixing rod. A supporting rotating groove is provided at the bottom of the dehydration bucket, and the inner wall of the supporting rotating groove is rotatably connected to the outer surface of the supporting rotating ring. A water outlet groove is provided inside the outer cylinder, and a drain pipe is fixedly connected to the inner wall of the water outlet groove near its bottom. A protective cover is rotatably connected to the top of the outer cylinder through a hinge, and a lifting handle is fixedly connected to the top of the protective cover.

[0011] Preferably, the overflow assembly includes an adjusting circular plate with an H-shaped cross-section. The middle of the adjusting circular plate moves within the inner wall of the adjusting groove, and an overflow weir is fixedly connected to the top inner side of the adjusting circular plate.

[0012] Preferably, a plurality of reinforcing ribs are fixedly connected to the outer surface of the adjusting circular plate near the top, and a push-pull top plate is fixedly connected to one end of the plurality of reinforcing ribs. A sealing piston is fixedly connected to the top of the push-pull top plate, and an adjusting air chamber is fixedly connected to the inner wall of the water outlet inner tank near its top. The outer surface of the sealing piston is slidably connected to the inner wall of the adjusting air chamber.

[0013] Preferably, a support plate is fixedly connected to the outer surface of the outer cylinder, an air pump is provided on the top of the support plate, the output end of the air pump is fixedly connected to a connecting pipe, one end of the connecting pipe is fixedly connected to an air supply pipeline, and one end of the air supply pipeline is fixedly passed through the outer cylinder and the adjusting air chamber to the inside of the adjusting air chamber.

[0014] Preferably, the drive assembly includes a rotating fixed base, a servo motor, and a support column, and the rotating fixed base, servo motor, and support column are all fixedly installed on the inner bottom surface of the bearing base. A large inner diameter rotating ring is rotatably connected to the top inner wall of the rotating fixed base. An arc-shaped groove is formed on the outer surface of the large inner diameter rotating ring. A drive wheel is fixedly connected to the output shaft of the servo motor. A connecting belt is movably connected between the outer surface of the drive wheel and the outer surface of the arc-shaped groove. A fixing ring is fixedly connected to the outer top of the large inner diameter rotating ring. The top of the fixing ring is fixedly connected to the bottom of the dehydration tank.

[0015] Preferably, an active gear ring is fixedly connected to the top of the inner diameter rotating ring, a positioning groove is provided at the top of the support column, a positioning block is rotatably connected to the inner wall of the positioning groove, a cross connecting frame is fixedly connected to the top of the positioning block, and a driven gear ring is fixedly connected to the outer surface of the cross connecting frame.

[0016] Preferably, a support bracket is fixedly connected to both outer surfaces of the support column, and a connecting shaft is rotatably connected to the top inner wall of each of the two support brackets. A large outer diameter gear is fixedly connected to one opposite end of each of the two connecting shafts, and a small outer diameter gear is fixedly connected to one opposite end of each of the two connecting shafts. The outer surfaces of the two small outer diameter gears are meshed with the top of the driving gear ring, and the outer surfaces of the two large outer diameter gears are meshed with the top of the driven gear ring.

[0017] Compared with the prior art, the beneficial effects of the present invention are: 1. During use, by activating the drive assembly, the manure residue is thrown onto the inner wall of the dewatering tank, while the liquid forms a central liquid column and finally overflows from the top overflow weir. The dewatering tank has no screen holes, so it will not cause fiber blockage of the screen holes. The multiple sharp cutting edges fixed on the surface of the spiral pusher blades will directly cut the long fibers wrapped on the spiral pusher blades into short fibers, solving the problem that current dewatering equipment is not suitable for dewatering pig manure, chicken manure, and duck manure with high fiber content. By using a high-speed centrifugal force field, efficient separation of solid and liquid phases is achieved, effectively avoiding fiber entanglement and significantly extending the service life of the equipment. The dewatering tank and the spiral pusher blades rotate on the same axis but at different speeds.

[0018] 2. During use, a wear-resistant alloy layer is welded onto the inner working surface of the dewatering barrel, and the same material is also welded onto the outer surface of the spiral pusher blade where it contacts the manure. This prevents the sand particles contained in pig manure, chicken manure, and duck manure from wearing down the working surface and protects the working surface. The external parts are made of ordinary carbon steel, which ensures the overall strength while being wear-resistant inside.

[0019] 3. When using the equipment, the height of the overflow weir should be adjusted according to the concentration of fecal waste. If the concentration of fecal waste is low, the overflow weir should be adjusted to a lower position to shorten the residence time of the liquid in the dewatering tank and improve the treatment efficiency. If the concentration of fecal waste is medium, the overflow weir should be adjusted to a middle position to balance the separation efficiency. If the concentration of fecal waste is high, the overflow weir should be adjusted to a higher position to extend the residence time of the liquid, ensure the dryness of the dewatering, and prevent solid fecal residue from being carried away. Attached Figure Description

[0020] Figure 1 This is a first-view perspective perspective view of a centrifugal livestock and poultry manure dewatering machine according to the present invention. Figure 2 This is a second-view perspective perspective view of a centrifugal livestock and poultry manure dewatering machine according to the present invention; Figure 3 This is a third-angle sectional perspective view of a centrifugal livestock and poultry manure dewatering machine according to the present invention. Figure 4 This is a fourth-angle sectional perspective view of a centrifugal livestock and poultry manure dewatering machine according to the present invention. Figure 5 For the present invention Figure 4 Enlarged view of point A in the middle; Figure 6 This is a perspective view of the feeding component of a centrifugal livestock and poultry manure dewatering machine according to the present invention; Figure 7 This is a first-view perspective perspective view of the drive component of a centrifugal livestock and poultry manure dewatering machine according to the present invention. Figure 8 This is a second-view perspective perspective view of the drive component of a centrifugal livestock and poultry manure dewatering machine according to the present invention. Figure 9 This is a sectional perspective view of the support column portion of a centrifugal livestock manure dewatering machine according to the present invention.

[0021] In the picture: 1. Support assembly; 101. Outer cylinder; 102. Protective cover; 103. Lifting handle; 104. Drainage pipe; 105. Support plate; 106. Bearing base plate; 107. Bearing base; 108. Dewatering tank; 109. Supporting rotating ring; 110. Slag discharge channel; 111. Rotary hole; 112. Sealing rotating shaft; 113. Supporting rotating groove; 114. Inner outlet groove; 115. Upper sealing ring; 116. Movable connecting ring; 117. Movable connecting groove; 118. Positioning ring; 119. Overflow port; 120. Adjusting groove; 121. Lower sealing ring; 2. Overflow assembly; 201. Adjusting circular plate; 202. Overflow weir; 203. Reinforcing rib; 204. Push-pull top plate; 205. Sealing piston; 206. Adjusting air chamber; 207. 1. Support plate; 208. Air pump; 209. Connecting pipe; 210. Air supply line; 3. Pushing assembly; 301. Spiral pusher blade; 302. Drainage groove; 303. Wave section; 304. Cutting blade; 305. Fixing rod; 306. Supporting rotating rod; 4. Drive assembly; 401. Rotating fixed base; 402. Large inner diameter rotating ring; 403. Arc groove; 404. Servo motor; 405. Drive wheel; 406. Connecting belt; 407. Active gear ring; 408. Support column; 409. Positioning rotating groove; 410. Positioning rotating block; 411. Cross connecting frame; 412. Driven gear ring; 413. Support frame; 414. Connecting rotating shaft; 415. Small outer diameter gear; 416. Large outer diameter gear; 417. Fixing ring. Detailed Implementation

[0022] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0023] Please see Figures 1 to 9 The present invention provides a technical solution: This invention provides a centrifugal livestock and poultry manure dewatering machine, including a support assembly 1, an overflow assembly 2, a pushing assembly 3, and a drive assembly 4. The support assembly 1 includes a dewatering barrel 108, the bottom of which is inverted conical. A slag discharge channel 110 is fixedly connected to the outer surface of the bottom of the dewatering barrel 108. The pushing assembly 3 includes a spiral pushing blade 301, which is used to push the dewatered manure slag towards the outlet. A diversion groove 302 is provided at the top of the spiral pushing blade 301. A plurality of wave segments 303 are provided on one side of the outer surface of the spiral pushing blade 301, and the outer surface of several of the upper wave segments 303 is in contact with the inner wall of the dewatering barrel 108. A plurality of cutting blades 304 are fixedly connected to the inner surface of the spiral pushing blade 301. A fixing rod 305 is fixedly connected between the inner walls of the bottom of the spiral pushing blade 301, and a support rotating rod 306 is fixedly connected to the bottom of the fixing rod 305.

[0024] In use, livestock and poultry manure is first poured into the dewatering barrel 108 from top to bottom. A wear-resistant alloy layer is welded onto the inner working surface of the dewatering barrel 108, and the same material is also welded onto the outer surface of the spiral pusher blades 301 where they contact the manure. This prevents sand particles contained in pig, chicken, and duck manure from abrading the working surface, thus protecting it. The external components are made of ordinary carbon steel, ensuring overall strength while maintaining internal wear resistance. When using centrifugal force to dewater the livestock and poultry manure, the drive assembly 4 is activated, causing the dewatering barrel 108 to rotate at high speed. This rotation generates a large amount of centrifugal force. Centrifugal force forces the denser manure residue to the inner wall of the dewatering tank 108, forming a thin solid layer. The less dense liquid remains in the central area, forming a central liquid column under centrifugal force, which eventually overflows from the overflow weir 202. Since there are no sieve holes inside the dewatering tank 108, fiber clogging of the sieve holes is prevented. During dewatering, the spiral pusher blade 301 rotates coaxially with the dewatering tank 108, but at different speeds. The spiral pusher blade 301 itself is an inclined plane. When it slides relative to the inner wall of the dewatering tank 108, it displaces the solid residue adhering to the inner wall of the dewatering tank 108. The phase layer is gradually pushed towards the bottom. The wavy section 303 is raised, and its outer side scrapes against the inner wall of the dewatering tank 108, continuously scraping down and conveying the higher-level manure residue downwards. This facilitates the continuous injection of manure into the dewatering tank 108. By setting the spiral pusher blade 301 with a tapering structure, its outer diameter gradually decreases from the inlet to the outlet, thus increasing the gap between the blade and the tank wall. This allows long fibers in the manure residue to be pushed downwards by the spiral, preventing them from getting stuck in the gap between the blade and the tank wall. The wavy design of the wavy section 303 also prevents the fibers from forming stable entanglements. During rotation, the multiple cutting blades 304 directly cut the long fibers wrapped around the spiral pusher blades 301. The cut short fibers can no longer entangle, thus allowing them to be pushed to the discharge port more smoothly. This solves the problem that current dewatering equipment is not suitable for dewatering pig manure, chicken manure, and duck manure with high fiber content. In addition, when new manure is injected, it will continuously squeeze the liquid in the cylinder, forming a downward flow thrust. The flow channel 302 opened on the surface of the spiral pusher blades 301 will force the liquid in the lower section to be stirred upward during rotation, forming a circulating flow and eliminating stagnant water areas.

[0025] It should also be noted that the support assembly 1 includes a supporting base plate 106, the bottom of which is fixedly connected to a supporting base 107. A supporting rotating ring 109 is fixedly connected to the top of the supporting base plate 106 near its inner wall. Multiple supporting plates 105 are fixedly connected to the top edge of the supporting base plate 106. An outer cylinder 101 is fixedly connected between the tops of the multiple supporting plates 105. A movable connecting groove 117 is provided on the inner wall of the outer cylinder 101 near its top. A movable connecting ring 116 is rotatably connected to the inner wall of the movable connecting groove 117. A positioning ring 118 is fixedly connected to the inner wall of the movable connecting ring 116. Multiple overflow ports 119 are provided on the inner wall of the positioning ring 118 near its bottom. A connection is provided between the bottom of the positioning ring 118 and the top of the dehydration tank 108. The device includes an adjustment groove 120, an upper sealing ring 115 at the bottom of a positioning ring 118, a lower sealing ring 121 at the top of a dehydration drum 108, a rotating hole 111 in the middle of the bottom surface of the dehydration drum 108, a sealing rotating shaft 112 on the inner wall of the rotating hole 111, the inner wall of the sealing rotating shaft 112 being fixedly connected to the outer surface of a fixing rod 305, a supporting rotating groove 113 at the bottom of the dehydration drum 108, the inner wall of the supporting rotating groove 113 being rotatably connected to the outer surface of a supporting rotating ring 109, an outlet groove 114 inside the outer cylinder 101, a drain pipe 104 fixedly connected to the inner wall of the outlet groove 114 near its bottom, and a protective cover 102 rotatably connected to the top of the outer cylinder 101 via a hinge, with a lifting handle 103 fixedly connected to the top of the protective cover 102.

[0026] Please see Figures 1 to 5 First, the supporting base 107, supporting bottom plate 106, supporting plate 105 and outer cylinder 101 are installed together to form an integral supporting structure. The movable connecting ring 116 is connected to the positioning ring 118. Therefore, the movable connecting ring 116 is movably embedded in the movable connecting groove 117, so that a gap is formed between the positioning ring 118 and the dewatering tank 108. This gap is the area where the adjusting disc 201 can be height adjusted. Under the action of centrifugal force, the overflowing liquid overflows from multiple overflow ports 119 and flows into the water outlet inner tank 114, and finally is discharged from the drain pipe 104. When the spiral pusher blade 301 and the dewatering tank 108 are driven to rotate by the drive assembly 4, the supporting rotating ring 109 and the supporting rotating groove 113 can rotate but will not be dislodged. In addition, the sealing rotating shaft 112 allows the fixed rod 305 to rotate and be sealed in the rotating hole 111. The fecal sludge conveyed downward is discharged outward from the sludge discharge channel 110.

[0027] It should also be noted that the overflow assembly 2 includes an adjusting circular plate 201, and the cross-section of the adjusting circular plate 201 is H-shaped. The middle of the adjusting circular plate 201 moves within the inner wall of the adjusting groove 120. An overflow weir 202 is fixedly connected to the top inner side of the adjusting circular plate 201. Multiple reinforcing ribs 203 are fixedly connected to the outer surface of the adjusting circular plate 201 near the top. A push-pull top plate 204 is fixedly connected between one end of each of the multiple reinforcing ribs 203. A sealing piston 205 is fixedly connected to the top of the push-pull top plate 204. The water outlet inner groove... An adjusting air chamber 206 is fixedly connected to the inner wall of 114 near its top. The outer surface of the sealing piston 205 is slidably connected to the inner wall of the adjusting air chamber 206. A support plate 207 is fixedly connected to the outer surface of the outer cylinder 101. An air pump 208 is installed on the top of the support plate 207. The output end of the air pump 208 is fixedly connected to a connecting pipe 209. One end of the connecting pipe 209 is fixedly connected to an air supply pipe 210. One end of the air supply pipe 210 is fixedly connected to the outer cylinder 101 and the adjusting air chamber 206 in sequence to the interior of the adjusting air chamber 206.

[0028] Please see Figures 3 to 5 After dehydration, the solid fecal residue adheres to the inner wall of the dehydration tank 108, while the separated liquid overflows from the overflow weir 202 and flows out from the overflow port 119. The height of the overflow weir 202 is adjusted according to the concentration of fecal matter. When the concentration is low, the height of the overflow weir 202 is adjusted to a lower position to shorten the residence time of the liquid in the dehydration tank 108 and improve processing efficiency. When the concentration is medium, the height of the overflow weir 202 is adjusted to a middle position to balance the separation efficiency. When the concentration is high, the height of the overflow weir 202 is adjusted to the highest position to extend the residence time of the liquid. To ensure dehydration dryness and prevent solid fecal residue from being carried away, the adjustment method is as follows: when the air pump 208 is started, the sealing piston 205 will move downward under pressure, thereby driving the adjusting disc 201 connected by the reinforcing rib 203 to move the overflow weir 202 downward at the same time. When the air pump 208 is evacuating air, the sealing piston 205 will move upward under negative pressure, and the adjusting disc 201 will move the overflow weir 202 upward, thereby completing the adjustment of the height of the overflow weir 202. The air pump 208 is a DC24V micro air pump, model PY120524.

[0029] It should also be noted that the drive assembly 4 includes a rotating fixed base 401, a servo motor 404, and a support column 408. The rotating fixed base 401, servo motor 404, and support column 408 are all fixedly installed on the inner bottom surface of the bearing base 107. A large-diameter rotating ring 402 is rotatably connected to the top inner wall of the rotating fixed base 401. An arc-shaped groove 403 is formed on the outer surface of the large-diameter rotating ring 402. A drive wheel 405 is fixedly connected to the output shaft of the servo motor 404. A connecting belt 406 is movably connected between the outer surface of the drive wheel 405 and the outer surface of the arc-shaped groove 403. A fixing ring 417 is fixedly connected to the outer top of the large-diameter rotating ring 402. The top of the fixing ring 417 is fixedly connected to the bottom of the dehydration tank 108. An active gear is fixedly connected to the inner top of the large-diameter rotating ring 402. The top of the ring 407 and the support column 408 is provided with a positioning groove 409. The inner wall of the positioning groove 409 is rotatably connected to a positioning block 410. The top of the positioning block 410 is fixedly connected to a cross connecting frame 411. The outer surface of the cross connecting frame 411 is fixedly connected to a driven gear ring 412. The outer surfaces of both sides of the support column 408 are fixedly connected to support brackets 413. The top inner walls of the two support brackets 413 are rotatably connected to connecting shafts 414. The opposite ends of the two connecting shafts 414 are fixedly connected to large outer diameter gears 416. The far ends of the two connecting shafts 414 are fixedly connected to small outer diameter gears 415. The outer surfaces of the two small outer diameter gears 415 are meshed with the top of the driving gear ring 407. The outer surfaces of the two large outer diameter gears 416 are meshed with the top of the driven gear ring 412.

[0030] Please see Figure 3 , Figure 4 , Figures 7 to 9 When driving the dewatering drum 108 and the spiral pusher blade 301, the servo motor 404 is started, causing its output shaft to drive the drive wheel 405 to rotate at high speed. Under the connection of the connecting belt 406, the large inner diameter rotating ring 402 rotates simultaneously. The dewatering drum 108 is connected to the large inner diameter rotating ring 402 by using the fixed ring 417, so the dewatering drum 108 will rotate simultaneously. At this time, the two small outer diameter gears 415 are driven to rotate through the meshing of the drive gear ring 407. Under the connection of the connecting shaft 414, the two large outer diameter gears rotate. Gear 416 rotates simultaneously with two small outer diameter gears 415. Then, the two large outer diameter gears 416 mesh with the driven gear ring 412 simultaneously, causing the driven gear ring 412 to drive the fixed rod 305 to rotate. Since the outer diameters of the different gears are not exactly the same, the spiral pusher blade 301 and the dewatering barrel 108 rotate at different speeds on the same axis, forming a speed difference, which is beneficial for conveying the dewatered manure residue downwards and discharging it. The servo motor 404 adopts the Delta ECMA-C20604RS+ASD-B2-0421-B kit.

[0031] The working principle of this device is as follows: First, livestock and poultry manure is poured into the dewatering tank 108. A wear-resistant alloy layer is welded onto the inner working surface of the dewatering tank 108 and the outer surface of the spiral pusher blade 301 to prevent sand particles contained in pig, chicken, and duck manure from wearing down the working surface. During dewatering, the drive assembly 4 is activated, which drives the dewatering tank 108 to rotate at high speed. The rotation generates a huge centrifugal force, which throws the denser manure residue onto the inner wall of the dewatering tank 108 to form a thin solid layer, while the less dense liquid remains in the central area, forming a central liquid column under the action of centrifugal force, and finally overflowing from the top. Overflow occurs at weir 202. The spiral pusher blade 301 rotates coaxially with the dewatering barrel 108 but at different speeds, thus pushing the manure residue adhering to the inner wall of the dewatering barrel 108 to the bottom. The raised wave section 303 scrapes the inner wall of the dewatering barrel 108, and timely cleaning facilitates the injection of manure into the dewatering barrel 108. During rotation, the sharp edges of multiple cutting blades 304 directly cut the long fibers wrapped around the spiral pusher blade 301. The cut short fibers cannot re-enter the entanglement. When driving the dewatering barrel 108 and the spiral pusher blade 301, the servo motor 404 is activated to make the large inner diameter rotating ring 4 02 rotates, and the dewatering tank 108 rotates simultaneously. At this time, through the meshing connection between multiple gears, the driven gear ring 412 drives the fixed rod 305 to rotate. Since the outer diameters of the different gears are not exactly the same, the spiral pusher blade 301 and the dewatering tank 108 rotate at different speeds on the same axis, creating a speed difference. When new manure is injected, it will continuously squeeze the liquid in the tank, forming a flow thrust from bottom to top. When the diversion channel 302 rotates, it forces the liquid in the lower section to be stirred upward. The dewatered solid manure will stick to the inner wall of the dewatering tank 108, while the separated liquid overflows the overflow weir. 202 flows out from the overflow outlet 119, and the height of the overflow weir 202 is adjusted according to the concentration of fecal waste. When the concentration of fecal waste is low, the height of the overflow weir 202 is adjusted to a lower position. When the concentration of fecal waste is medium, the height of the overflow weir 202 is adjusted to a middle position. When the concentration of fecal waste is high, the height of the overflow weir 202 is adjusted to the highest position. The height adjustment principle is as follows: when the air pump 208 is started, the pressure drives the sealing piston 205 to move up and down inside the adjusting air chamber 206. Then the adjusting circular plate 201 drives the overflow weir 202 to move upward, thereby completing the adjustment of the height of the overflow weir 202.

[0032] The wiring diagrams of the air pump 208 and servo motor 404 in this invention are common knowledge in the field, and their working principles are known technologies. The appropriate model is selected according to the actual use. Therefore, the control method and wiring layout of the air pump 208 and servo motor 404 will not be explained in detail.

[0033] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A centrifugal livestock manure dewatering machine, comprising a support assembly (1), an overflow assembly (2), a feeding assembly (3), and a drive assembly (4), characterized in that: The support component (1) includes a dehydration tank (108), and the bottom of the dehydration tank (108) is set in an inverted cone shape. The bottom outer surface of the dehydration tank (108) is fixedly connected to a slag discharge channel (110). The pushing assembly (3) includes a spiral pushing blade (301), which is used to push the dewatered manure residue toward the outlet. The top of the spiral pushing blade (301) is provided with a diversion groove (302). One side of the outer surface of the spiral pushing blade (301) is provided with multiple wave segments (303), and the outer surface of several wave segments (303) located in the upper part is in contact with the inner wall of the dewatering barrel (108). Multiple cutting blades (304) are fixedly connected to the inner surface of the spiral pushing blade (301). A fixing rod (305) is fixedly connected between the bottom inner walls of the spiral pushing blade (301), and a support rotating rod (306) is fixedly connected to the bottom of the fixing rod (305).

2. The centrifugal livestock manure dewatering machine according to claim 1, characterized in that: The support assembly (1) also includes a support base plate (106), the bottom of which is fixedly connected to a support base (107), the top of which is fixedly connected to a support rotating ring (109) near the inner wall, and multiple support plates (105) fixedly connected to the top edge of the support base plate (106). An outer cylinder (101) is fixedly connected between the tops of the multiple support plates (105), and a movable connecting groove (117) is provided on the inner wall of the outer cylinder (101) near the top. A movable connecting ring (116) is rotatably connected to the inner wall of the movable connecting groove (117).

3. The centrifugal livestock manure dewatering machine according to claim 2, characterized in that: The inner wall of the movable connecting ring (116) is fixedly connected to a positioning ring (118). The inner wall of the positioning ring (118) near its bottom is provided with multiple overflow ports (119). An adjustment groove (120) is provided between the bottom of the positioning ring (118) and the top of the dehydration tank (108). An upper sealing ring (115) is provided at the bottom of the positioning ring (118), and a lower sealing ring (121) is provided at the top of the dehydration tank (108).

4. The centrifugal livestock manure dewatering machine according to claim 3, characterized in that: A rotating hole (111) is provided in the middle of the bottom surface of the dehydration bucket (108). A sealing rotating shaft (112) is provided on the inner wall of the rotating hole (111). The inner wall of the sealing rotating shaft (112) is fixedly connected to the outer surface of the fixing rod (305). A supporting rotating groove (113) is provided at the bottom of the dehydration bucket (108). The inner wall of the supporting rotating groove (113) is rotatably connected to the outer surface of the supporting rotating ring (109). A water outlet groove (114) is provided inside the outer cylinder (101). A drain pipe (104) is fixedly connected to the inner wall of the water outlet groove (114) near its bottom. A protective cover (102) is rotatably connected to the top of the outer cylinder (101) by a hinge. A lifting handle (103) is fixedly connected to the top of the protective cover (102).

5. The centrifugal livestock manure dewatering machine according to claim 4, characterized in that: The overflow assembly (2) includes an adjusting circular plate (201), and the cross-section of the adjusting circular plate (201) is H-shaped. The middle part of the adjusting circular plate (201) moves within the inner wall of the adjusting groove (120), and an overflow weir (202) is fixedly connected to the top inner side of the adjusting circular plate (201).

6. The centrifugal livestock manure dewatering machine according to claim 5, characterized in that: The outer surface of the adjusting disc (201) is fixedly connected to a plurality of reinforcing ribs (203) near the top. A push-pull top plate (204) is fixedly connected between one end of the plurality of reinforcing ribs (203). A sealing piston (205) is fixedly connected to the top of the push-pull top plate (204). An adjusting air chamber (206) is fixedly connected to the inner wall of the water outlet inner tank (114) near its top. The outer surface of the sealing piston (205) is slidably connected to the inner wall of the adjusting air chamber (206).

7. The centrifugal livestock manure dewatering machine according to claim 6, characterized in that: A support plate (207) is fixedly connected to the outer surface of the outer cylinder (101). An air pump (208) is installed on the top of the support plate (207). The output end of the air pump (208) is fixedly connected to a connecting pipe (209). One end of the connecting pipe (209) is fixedly connected to an air supply pipe (210). One end of the air supply pipe (210) is fixedly connected to the outer cylinder (101) and the regulating air chamber (206) in sequence and then to the interior of the regulating air chamber (206).

8. The centrifugal livestock manure dewatering machine according to claim 7, characterized in that: The drive assembly (4) includes a rotating fixed base (401), a servo motor (404), and a support column (408). The rotating fixed base (401), the servo motor (404), and the support column (408) are all fixedly installed on the inner bottom surface of the bearing base (107). A large inner diameter rotating ring (402) is rotatably connected to the top inner wall of the rotating fixed base (401). An arc groove (403) is opened on the outer surface of the large inner diameter rotating ring (402). A drive wheel (405) is fixedly connected to the output shaft of the servo motor (404). A connecting belt (406) is movably connected between the outer surface of the drive wheel (405) and the outer surface of the arc groove (403). A fixing ring (417) is fixedly connected to the outer top of the large inner diameter rotating ring (402). The top of the fixing ring (417) is fixedly connected to the bottom of the dehydration tank (108).

9. The centrifugal livestock manure dewatering machine according to claim 8, characterized in that: The top of the inner diameter swivel (402) is fixedly connected to an active gear ring (407), the top of the support column (408) is provided with a positioning swivel groove (409), the inner wall of the positioning swivel groove (409) is rotatably connected to a positioning block (410), the top of the positioning block (410) is fixedly connected to a cross connecting frame (411), and the outer surface of the cross connecting frame (411) is fixedly connected to a driven gear ring (412).

10. The centrifugal livestock manure dewatering machine according to claim 9, characterized in that: The support column (408) has a support bracket (413) fixedly connected to both outer surfaces. The top inner walls of the two support brackets (413) are rotatably connected to a connecting shaft (414). A large outer diameter gear (416) is fixedly connected to one opposite end of the two connecting shafts (414). A small outer diameter gear (415) is fixedly connected to one far away end of the two connecting shafts (414). The outer surfaces of the two small outer diameter gears (415) are meshed with the top of the driving gear ring (407). The outer surfaces of the two large outer diameter gears (416) are meshed with the top of the driven gear ring (412).

Images