Integrated livestock manure treatment equipment and process thereof
Patent Information
- Application Number
- CN202610961952.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2026-06-30
- Publication Date
- 2026-08-21
AI Technical Summary
[0002]固体废物污染治理是现阶段生态环境保护领域的重点攻坚方向,其中有机固体废物的减量化、资源化处置是行业核心研究内容,畜禽粪污具备含水率高、有机质丰富的特点,若未经过有效无害化、减量化处理便直接排放或填埋,不仅会占用大量土地资源,还会持续产生高浓度渗滤液与恶臭气体,易引发土壤退化、水体污染等一系列生态环境问题,目前行业主流粪污脱水工艺中,粪污物料通常由进料口进入螺旋轴与筛筒构成的挤压腔内部,依托变螺距螺旋轴的推送作用逐步压缩,物料内部水分经由筛筒网孔及狭缝析出排出,脱水后的固态物料最终由出料口挤出,为进一步提升整体脱水效果,部分处理工艺将螺旋挤压与离心甩干工序简单串联,先通过螺旋挤压完成预脱水作业,再送入离心设备开展深度脱水;然而,螺旋挤压机的挤压面多为单一斜面或直面,对物料的压缩是整体施压,容易将纤维质和团块压实成致密滤饼,这种致密滤饼在后段进入离心机后,内部残存水分难以在离心力下排出,且滤饼在离心网筒内壁再次形成密实的附着层,仅靠离心力本身难以自行剥离,网孔被持续覆盖,脱水效率急剧衰减,离心力难以对内部水分进行有效分离,整体脱水率受限
1、本发明通过螺旋推杆将粪污向挤压板架处推动过程中,其倾斜菱形结构,以棱边对已被齿牙松解的粪污施加渐增的面压力,将游离水及破壁释放的结合水沿菱形斜面向外侧挤出,紧接着倾斜菱形结构之后的齿牙状结构在螺旋输送辊推力作用下对粪污进行局部穿刺与切割,破坏粪污中纤维质及固态团块的细胞壁结构,用于对粪污进行预先脱水处理,紧接着,多联辊柱与开合滤筒内壁之间的间距沿周向做周期性宽窄变化,多联辊柱在窄间隙处对网筒内壁产生近距刮扫或微接触剥料,将离心过程中粘附于网筒内壁的细渣层及时剥离并抛回粪污主体,有效延长物料脱水行程,使粪污脱水率逐级提升,同时保持固形物的疏松结构,有利于后续离心分离工序高效开展,保障了连续化粪污处理的作业效率;
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Figure CN122608268A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of waste treatment technology, specifically to an integrated treatment equipment and process for livestock and poultry manure. Background Technology
[0002] Solid waste pollution control is a key focus in the field of ecological and environmental protection at present. The reduction and resource utilization of organic solid waste is a core research area in the industry. Livestock and poultry manure is characterized by high water content and rich organic matter. If it is directly discharged or landfilled without effective harmless and volume-reduction treatment, it will not only occupy a large amount of land resources but also continuously generate high-concentration leachate and malodorous gases, easily leading to a series of ecological and environmental problems such as soil degradation and water pollution. Currently, in mainstream manure dewatering processes, manure material typically enters the extrusion chamber formed by the screw shaft and screen cylinder through the feed inlet. It is gradually compressed by the pushing action of the variable-pitch screw shaft, and the internal moisture of the material is discharged through the screen cylinder mesh and slits. The dewatered solid waste... The material is finally extruded from the discharge port. To further improve the overall dewatering effect, some processing techniques simply connect the screw extrusion and centrifugal drying processes in series. The screw extrusion is used to complete the pre-dewatering operation first, and then the material is sent to the centrifuge for deep dewatering. However, the extrusion surface of the screw extruder is mostly a single inclined plane or straight plane. The compression of the material is applied as a whole, which easily compacts the fibers and clumps into a dense filter cake. When this dense filter cake enters the centrifuge in the later stage, the residual water inside is difficult to be discharged under centrifugal force. Moreover, the filter cake forms a dense adhesion layer on the inner wall of the centrifuge cylinder again. It is difficult to peel off by centrifugal force alone. The mesh is continuously covered, the dewatering efficiency drops sharply, and centrifugal force is unable to effectively separate the internal water, thus limiting the overall dewatering rate. Summary of the Invention
[0003] The purpose of this invention is to provide an integrated livestock and poultry manure treatment equipment and process to address the aforementioned shortcomings in the technology.
[0004] To achieve the above objectives, the present invention provides the following technical solution: an integrated livestock and poultry manure treatment equipment and process, comprising a dewatering tank and an openable filter cylinder, wherein one end of the dewatering tank is fixedly connected to a feeding pipe communicating with the inside of the openable filter cylinder, and a separation component is provided between the feeding pipe and the openable filter cylinder, and the separation component is used to squeeze the manure and extend the dewatering stroke. The separating assembly includes a spiral pusher rotatably connected inside the feeding pipe and a centering disc disposed inside the opening and closing filter cylinder, with the centering disc and the spiral pusher maintaining an interlaced state. Several multi-roller columns are movably connected to the outside of the centering disc. A centering ring is installed at one end of the feeding pipe and is located inside the opening and closing filter cylinder. Several extrusion plate frames are provided inside the centering ring, and the bottom of the extrusion plate frames is toothed, with an inclined rhomboid structure near the teeth. An eccentric assembly is provided between the spiral pusher and the centering disc, and the eccentric assembly is used to make the centering disc and the multi-roller columns rotate eccentrically inside the opening and closing filter cylinder. A fine-tuning component is provided between the feed tube and the centering ring, and the fine-tuning component is used to adjust the curvature and spacing between the extrusion plate frame and the spiral push rod; The feed pipe is equipped with a back-mixing component on its exterior, which is used to back-mix the fine particles that are squeezed out along with water back into the sewage.
[0005] Preferably, the back-mixing assembly includes a lifting cylinder and a guide cylinder respectively fixedly connected to the outside of the discharge pipe, and the lifting cylinder and the guide cylinder communicate with the inside of the discharge pipe. The inside of the lifting cylinder is rotatably connected to a lifting stud for lifting manure. The inside of the guide cylinder is provided with a guide cone groove that communicates with the inside of the discharge pipe, and the guide cone groove is designed with an inclined structure. The guide cylinder and the lifting cylinder are connected together by an inclined cone-shaped long cylinder, which communicates with the inside of both of them, and the inclined cone-shaped long cylinder is arranged at an inclination. The bottom of the lifting cylinder and the guide cylinder are respectively equipped with a first belt pulley and a second belt pulley. The first belt pulley is used to drive the lifting stud to rotate. A second servo motor is fixedly connected to the side near the second belt pulley. The second servo motor is used to drive the second belt pulley to rotate. The outer sides of the second belt pulley and the first belt pulley are connected to a belt strip. A quick-drainage assembly is provided between the second servo motor and the guide cylinder, and the quick-drainage assembly is used to increase the flow speed of fecal matter inside the guide cone groove.
[0006] Preferably, the quick-release assembly includes a rotating disk movably connected to the bottom end of the guide cylinder, and the rotating disk is sleeved inside the second pulley with a gap between it and the inner wall of the second pulley. A scraper ring is slidably connected inside the guide cone groove, and a connecting rod is fixedly connected to the bottom of the scraper ring, and the connecting rod is guided to move along the inner wall of the guide cone groove. One end of the connecting rod extends into the gap between the rotating disk and the second pulley. This end passes through the guide cone groove and the guide cylinder in sequence. The rotating disk has a lower half-arc groove and an upper half-arc groove on its outer side for guiding the connecting rod to move and pause briefly. The rotating disk also has a first guide groove and a second guide groove on its outer side for guiding the connecting rod to move along the inside of the lower half-arc groove and the upper half-arc groove, and moving up and down along the outside of the rotating disk. The first guide groove and the second guide groove have a curved arc structure. The output end of the second servo motor extends into the interior of the second pulley and is fixedly connected to the bottom end of the rotating disk.
[0007] Preferably, the eccentric assembly includes a crank rod fixedly connected to one end of the helical push rod and a centering shaft installed at one end of the centering disc, and the end of the crank rod is movably sleeved on the outside of the centering shaft. Each of the multi-roller columns is fitted with a connecting arm at one end. The inside of the dehydration tank is rotatably connected to a mandrel column, and the connecting arm is sleeved on the outside of the mandrel column. The outer side of the limiting shaft column is provided with a reciprocating component, which is used to push the sewage to be fully dehydrated inside the opening and closing filter cartridge.
[0008] Preferably, the reciprocating assembly includes a displacement cylinder sleeved on one end of the centering shaft and a centering crossbeam fixedly connected inside the dehydration tank, and the centering crossbeam is located inside the opening and closing filter cylinder. An end crossbeam is slidably sleeved on the outside of the centering crossbeam, and the centering crossbeam is used to limit the displacement direction of the end crossbeam. The top of the end cross pusher is fixedly connected to a column, and the outside of the displacement cylinder is provided with a corrugated guide groove for guiding the column to move, and the corrugated guide groove is designed to be annular corrugated.
[0009] Preferably, the fine-tuning component includes a fine-tuning arm movably connected inside the centering ring and a short horizontal column fixedly connected to one side of the feed tube for the extrusion plate frame to rotate circumferentially, and the short horizontal column and the extrusion plate frame are connected by a movable sleeve connection. A guide shaft is installed on one side of the extrusion plate frame near the short cross column, and one side of the fine-tuning arm is movably sleeved on the outside of the guide shaft, and the fine-tuning arm is designed with an arc-shaped structure.
[0010] Preferably, a first servo motor is fixedly connected to the outside of the feeding pipe, and the end of the first servo motor extends to one side of the centering ring and is fixedly connected to a gear. A toothed plate that meshes with the gear is fixedly connected to the side of the centering ring near the gear.
[0011] The specific steps of using an integrated livestock and poultry manure treatment equipment are as follows: S1. The livestock and poultry manure to be treated is put into the feeding pipe. The drive mechanism is started to drive the screw pusher to rotate at a constant speed. Under the action of the screw push, the manure is conveyed in a direction along the inside of the feeding pipe towards the opening and closing filter cylinder, providing a continuous and stable material supply for the subsequent extrusion and dewatering operation. This can avoid the accumulation and blockage of materials in the feeding section to a certain extent and ensure the stability of the feeding process. S2. Start the first servo motor, which drives the centering ring to rotate slightly through the meshing of gears and toothed plates. The centering ring drives the fine-tuning arm to move in conjunction with the guide shaft column, which pulls the extrusion plate frame to swing around the short horizontal column in a circular motion. This precisely adjusts the contact arc and working distance between the extrusion plate frame and the spiral push rod to adapt to the extrusion requirements of different types of manure, which helps to alleviate the local overpressure or insufficient extrusion that is prone to occur in fixed extrusion structures. S3. The pushed manure enters the extrusion frame operation area. The toothed structure at the bottom of the extrusion frame first punctures and loosens the manure clumps. Then, the inclined diamond structure applies progressive surface pressure to the loosened manure, gradually squeezing out the free water and bound water released by the wall breaking. During the extrusion process, the fine solid particles separated with the water pass through the semi-arc filter screen of the feed pipe and fall into the guide cone groove of the guide cylinder. Under the action of gravity, they settle and aggregate, realizing coarse solid-liquid separation and preliminary interception of fine particles. After being spirally lifted by the lifting screw, they fall back into the feed pipe, mix with the mainstream manure, and re-enter the extrusion process. This helps to reduce the loss of fine organic solids and improve the recovery rate of manure solids. S4. After pre-compression, the manure falls into the opening and closing filter cylinder. The rotating screw pusher drives the crank to rotate synchronously. Through the centering shaft, the limiting disc and the multi-roller make an eccentric rotation. The distance between the multi-roller and the inner wall of the opening and closing filter cylinder changes periodically, which can scrape off the fine slag layer adhering to the inner wall of the cylinder and extend the dewatering stroke of the manure. At the same time, the limiting shaft drives the displacement cylinder to rotate. Through the cooperation of the corrugated guide groove and the column, the drive end horizontal push frame makes a horizontal reciprocating motion along the centering cross frame, forming a staggered turbulence in the opening and closing filter cylinder, which may make the manure fully tumble in the radial and axial directions, improving the uniformity of dewatering. S5. The high-speed rotation of the opening and closing filter cartridges creates a centrifugal force field. Under centrifugal action, the residual water in the manure is further separated and precipitated, completing the deep dehydration treatment. The dehydrated manure solids are continuously output in a loose state under the synergistic disturbance of the multi-roller column and the end horizontal pusher, realizing the integrated continuous operation of solid-liquid separation, dehydration and recycling of livestock and poultry manure, which is conducive to improving the overall efficiency and dehydration effect of manure treatment.
[0012] The technical effects and advantages provided by the present invention in the above technical solution are as follows: 1. In this invention, during the process of pushing the feces towards the extrusion plate frame by the spiral pusher, the inclined rhomboid structure applies gradually increasing surface pressure to the feces that has been loosened by the teeth, squeezing out free water and bound water released by cell wall breaking along the inclined surface of the rhomboid. Immediately afterwards, the tooth-like structure following the inclined rhomboid structure, under the pushing force of the spiral conveying roller, locally punctures and cuts the feces, destroying the cell wall structure of fibrous material and solid clumps in the feces, which is used for pre-dehydration treatment of the feces. Then, the distance between the multi-roller column and the inner wall of the opening and closing filter cylinder changes periodically in the circumferential direction. The multi-roller column performs close-range scraping or micro-contact stripping of the material on the inner wall of the filter cylinder at the narrow gap, timely peeling off the fine residue layer that adheres to the inner wall of the filter cylinder during centrifugation and throwing it back to the main body of feces, effectively extending the dehydration process of the material, so that the dehydration rate of the feces increases step by step, while maintaining the loose structure of the solids, which is conducive to the efficient operation of subsequent centrifugation separation process and ensures the operational efficiency of continuous feces treatment. 2. This invention utilizes a horizontal pusher frame that performs short-distance horizontal reciprocating motion inside the opening and closing filter cylinder, while multiple rollers rotate eccentrically within the cylinder. The horizontal reciprocating motion of the horizontal pusher frame and the rotational sweeping motion of the multiple rollers create interlaced turbulence nodes within the internal space of the filter cylinder. When the horizontal pusher frame is pushed and pulled rapidly over a short distance, its end creates a local high-pressure and low-pressure alternating zone in the sewage. When the multiple rollers rotate to this zone, they engulf the pressure fluctuations and propagate them circumferentially, extending the turbulence effect from a localized area to the entire cross-section of the cylinder. This breaks the stable ring-shaped distribution of sewage that adheres to the wall due to centrifugal force within the opening and closing filter cylinder, ensuring continuous tumbling of the material in both the radial and axial directions, thus guaranteeing sufficient dewatering and uniform discharge. 3. This invention uses the movement of the guide shaft column to drive the extrusion plate frame to make a circular motion along the outside of the short horizontal column, thereby adjusting the curvature and spacing between the extrusion plate frame and the spiral push rod. That is, it changes the radius of curvature of the bottom teeth and rhomboid structure of the extrusion plate frame in the circumferential direction. When the curvature increases, the extrusion plate frame and the outer contour of the spiral push rod fit more closely, and the compression curve of the feces from the teeth to the rhomboid section tends to be gentler. When the curvature decreases, the local curvature of the extrusion plate frame increases, and the feces are subjected to more concentrated extrusion at that point. This can form a relatively concentrated extrusion effect on the corresponding area of feces, which can adapt to the extrusion requirements of feces with different moisture contents and alleviate the problems of local overpressure damage or insufficient extrusion that are prone to occur when the extrusion curvature is fixed. 4. In this invention, the oblique conical elongated cylinder guides the waste into the lifting cylinder. Then, the second servo motor drives the second belt pulley to rotate along the bottom of the guide cylinder. As the second belt pulley rotates, it drives the belt strip to rotate synchronously, causing the belt strip to rotate synchronously with the first belt pulley. The lifting stud is located inside the lifting cylinder and rotates with the first belt pulley. This is used to lift the waste from the bottom of the lifting cylinder to the top, so that the waste moves into the lower feed pipe. This allows the waste to be thrown back into the main stream of uncompressed or being compressed waste in the feed pipe. This process intercepts and recovers the fine organic particles that are inevitably lost during the waste dewatering process, thus improving the waste solids recovery rate. 5. This invention uses a lifting stud to remix the recovered fine particles back into the main stream of fecal waste. These fine particles fill the gaps between the larger fiber clumps in the fecal waste. The fine particles act as a filling and pressure transmission medium in the gaps between the large particles, which more evenly transmits the pressure applied by the extrusion plate to the surface of each fiber clump, further optimizing the extrusion and dewatering effect of the fecal waste and improving the overall dewatering rate. This invention utilizes a scraper ring that moves upwards and then pauses briefly, and moves downwards and then pauses briefly, allowing the outer edge of the scraper ring to peel off fine particles and fibrous fecal matter adhering to the cylinder wall during its upward stroke. The peeled material falls off under gravity and the thrust of the ring and flows into the main flow inside the cylinder. During the downward stroke, the ring scrapes the lower cylinder wall again, removing fecal matter that has re-adhered to the wall due to liquid splashing. The intermittent pauses create local low-velocity windows, providing ample opportunity for fine particles to settle and ensuring continuous transport of fecal matter within the lifting cylinder. Attached Figure Description
[0013] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this invention. For those skilled in the art, other drawings can be obtained based on these drawings.
[0014] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the structure of the multi-roller column and connecting arm in the first motion state of the present invention; Figure 3 For the present invention Figure 2 Enlarged view of section A in the image; Figure 4 This is a schematic diagram of the centering ring of the present invention; Figure 5 This is a schematic diagram of the extrusion plate frame of the present invention; Figure 6 This is a schematic diagram of the second motion state of the multi-roller column and connecting arm of the present invention; Figure 7 This is a schematic diagram of the structure of the mandrel of the present invention; Figure 8 This is a schematic diagram of the lifting stud of the present invention; Figure 9 This is a schematic diagram of the structure of the first guide groove of the present invention; Figure 10 This is a schematic diagram of the structure of the second guide groove of the present invention.
[0015] Explanation of reference numerals in the attached figures: 1. Dewatering tank; 11. Filter cartridge (opening and closing); 12. Feed pipe; 2. Separating assembly; 21. Spiral pusher; 22. Centering ring; 23. Extrusion plate frame; 24. Centering disc; 25. Multi-roller column; 3. Eccentric assembly; 31. Crank rod; 32. Centering shaft; 33. Connecting arm; 34. Limiting shaft; 35. Displacement cylinder; 36. Corrugated guide groove; 37. End crossbar; 38. Column; 39. Centering crossbar; 4. Fine-tuning component; 41. Fine-tuning arm; 42. Short crossbar; 43. Guide shaft; 44. Gear plate; 45. Gear; 46. First servo motor; 5. Remixing assembly; 51. Lifting cylinder; 52. Guide cylinder; 53. Lifting stud; 54. Guide cone groove; 55. Second servo motor; 56. First pulley; 57. Belt strip; 58. Second pulley; 59. Inclined cone cylinder; 6. Quick-release assembly; 61. Rotary disk; 62. Lower semi-circular groove; 63. Upper semi-circular groove; 64. First guide groove; 65. Second guide groove; 66. Connecting rod; 67. Scraper ring. Detailed Implementation
[0016] To enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.
[0017] This invention provides, for example Figure 1 , Figure 2 , Figure 6 and Figure 7 The integrated livestock and poultry manure treatment equipment and process shown includes a dewatering tank 1 and an openable filter cylinder 11. One end of the dewatering tank 1 is fixedly connected to a feed pipe 12 that communicates with the inside of the openable filter cylinder 11. A separation component 2 is provided between the feed pipe 12 and the openable filter cylinder 11, and the separation component 2 is used to squeeze the manure and extend the dewatering stroke. The separating assembly 2 includes a spiral pusher 21 rotatably connected inside the feed pipe 12 and a centering disc 24 disposed inside the opening and closing filter cylinder 11. The centering disc 24 and the spiral pusher 21 are staggered. Several multi-roller columns 25 are movably connected to the outside of the centering disc 24. A centering ring 22 is installed at one end of the feed pipe 12 and is located inside the opening and closing filter cylinder 11. Several extrusion plate frames 23 are provided inside the centering ring 22. The bottom of the extrusion plate frames 23 is toothed, and the part near the teeth is set with an inclined rhomboid structure. An eccentric assembly 3 is provided between the spiral pusher 21 and the centering disc 24. The eccentric assembly 3 is used to make the centering disc 24 and the multi-roller columns 25 rotate eccentrically inside the opening and closing filter cylinder 11. The eccentric assembly 3 includes a crank 31 fixedly connected to one end of the helical push rod 21 and a centering shaft 32 installed at one end of the centering plate 24, and the end of the crank 31 is movably sleeved on the outside of the centering shaft 32. Each multi-roller column 25 is fitted with a connecting arm 33 at one end. The inside of the dewatering box 1 is rotatably connected to a mandrel column 34, and the connecting arm 33 is fitted onto the outside of the mandrel column 34. The outside of the limiting spindle column 34 is provided with a reciprocating assembly, which is used to push the sewage to be fully dehydrated inside the opening and closing filter cartridge 11; The reciprocating assembly includes a displacement cylinder 35 sleeved on one end of the centering shaft 34 and a centering crossbeam 39 fixedly connected inside the dehydration tank 1. The centering crossbeam 39 is partially located inside the opening and closing filter cylinder 11. An end crossbeam 37 is slidably sleeved on the outside of the centering crossbeam 39, and the centering crossbeam 39 is used to limit the displacement direction of the end crossbeam 37. The top of the end horizontal push frame 37 is fixedly connected to a column 38, and the outside of the displacement cylinder 35 is provided with a corrugated guide groove 36 for guiding the column 38 to move, and the corrugated guide groove 36 is designed as an annular corrugated shape. Three sets of extrusion plate frames 23 are arranged in a ring around the outer periphery of the spiral push rod 21. A power motor is installed at the end of the spiral push rod 21 to provide driving power for the rotation of the spiral push rod 21 inside the feed pipe 12 to complete continuous rotation operation. Five sets of multi-roller columns 25 are arranged in a ring around the outside of the centering plate 24. The number of centering shaft columns 34 and connecting arms 33 are matched and adapted to the number of multi-roller columns 25. The displacement cylinder 35, corrugated guide groove 36, column 38, centering crossbeam 39 and end cross pusher 37 are single-set matching structures, and are only assembled between one set of centering shaft columns 34 and the dewatering box 1. The structures cooperate and work together. The specific structure and working principle of the dewatering box 1, the opening and closing filter cylinder 11 and the feed pipe 12 are all existing technologies and will not be described in detail in this application. At present, the solid-liquid separation treatment of fecal waste is... The operation process is as follows: Start the entire dewatering tank 1 equipment and simultaneously turn on the flocculant metering and dosing pump. Deliver the flocculant solution according to the reagent ratio parameters calibrated in the previous test. After the reagent delivery is stable, open the feed pipe 12 to feed the sewage. To ensure the stability of equipment operation, the initial feeding is not carried out under full load. Feed the sewage at a low speed and steadily at 30% to 50% of the rated processing capacity of the equipment. The sewage is slowly transported to the inside of the openable filter cartridge 11 through the feed pipe 12. After the sewage is fed in, the openable filter cartridge 11 is controlled to operate inside the dewatering tank 1. The high-speed rotation forms a high-intensity centrifugal force field. The solid-liquid separation is completed by relying on the density difference between the solid and liquid media of the sewage. The separated sewage is discharged outward through the overflow weir at the end of the openable filter cartridge 11. After the separation operation is completed, open the top door of the dewatering tank 1 and open the openable filter cartridge 11 in half to complete the unloading and discharge of solid sewage.
[0018] refer to Figure 2 , Figure 3 and Figure 4 As shown, a fine-tuning component 4 is provided between the feeding tube 12 and the centering ring 22, and the fine-tuning component 4 is used to adjust the curvature and spacing between the extrusion plate frame 23 and the spiral push rod 21; the fine-tuning component 4 includes a fine-tuning arm 41 movably connected inside the centering ring 22 and a short horizontal column 42 fixedly connected to one side of the feeding tube 12 for the extrusion plate frame 23 to rotate in a circular manner, and the short horizontal column 42 and the extrusion plate frame 23 are connected by a movable sleeve. A guide shaft column 43 is installed on one side of the extrusion plate frame 23 near the short cross column 42, and one side of the fine adjustment arm 41 is movably sleeved on the outside of the guide shaft column 43, and the fine adjustment arm 41 is designed with an arc-shaped structure. The outside of the feeding pipe 12 is also fixedly connected to a first servo motor 46, and the end of the first servo motor 46 extends to one side of the centering ring 22 and is fixedly connected to a gear 45. The side of the centering ring 22 near the gear 45 is fixedly connected to a toothed plate 44 that meshes with the gear 45.
[0019] refer to Figure 1 , Figure 8 , Figure 9 and Figure 10 As shown, a back-mixing component 5 is provided on the outside of the feeding pipe 12, and the back-mixing component 5 is used to back-mix the fine particles that are squeezed out along with water back into the feces; the back-mixing component 5 includes a lifting cylinder 51 and a guide cylinder 52 respectively fixedly connected to the outside of the feeding pipe 12, and the lifting cylinder 51 and the guide cylinder 52 communicate with the inside of the feeding pipe 12. The lifting cylinder 51 is rotatably connected to a lifting stud 53 for spiral lifting of feces. The guide cylinder 52 is provided with a guide cone groove 54 that communicates with the inside of the feeding pipe 12, and the guide cone groove 54 is set with an inclined structure. The guide cylinder 52 and the lifting cylinder 51 are connected together by an inclined cone long cylinder 59, which communicates with the inside of both, and the inclined cone long cylinder 59 is arranged at an inclination. The bottom of the lifting cylinder 51 and the guide cylinder 52 are respectively equipped with a first belt pulley 56 and a second belt pulley 58. The first belt pulley 56 is used to drive the lifting stud 53 to rotate. A second servo motor 55 is fixedly connected to the side near the second belt pulley 58. The second servo motor 55 is used to drive the second belt pulley 58 to rotate. The second belt pulley 58 and the first belt pulley 56 are connected to the outside of a belt strip 57. A quick discharge assembly 6 is provided between the second servo motor 55 and the guide cylinder 52, and the quick discharge assembly 6 is used to increase the flow speed of fecal waste inside the guide cone groove 54; and the guide cylinder 52 and the discharge pipe 12 are kept in internal communication, and a semi-arc filter screen is embedded inside the discharge pipe 12, so that when the fecal waste passes through here, a small amount of water and solid particles inside are transported to the inside of the guide cylinder 52 through this semi-arc filter screen; The quick-release assembly 6 includes a rotating disk 61 movably connected to the bottom of the guide cylinder 52, and the rotating disk 61 is sleeved inside the second belt pulley 58 with a gap between it and the inner wall of the second belt pulley 58. A scraper ring 67 is slidably connected inside the guide cone groove 54, and a connecting rod 66 is fixedly connected to the bottom of the scraper ring 67. The connecting rod 66 is guided to move along the inner wall of the guide cone groove 54. One end of the connecting rod 66 extends into the gap between the rotating disk 61 and the second belt pulley 58. This end passes through the guide cone groove 54 and the guide cylinder 52 in sequence. The rotating disk 61 has a lower half-arc groove 62 and an upper half-arc groove 63 on its outer side for guiding the connecting rod 66 to move and pause briefly. The rotating disk 61 also has a first guide groove 64 and a second guide groove 65 on its outer side for guiding the connecting rod 66 to move along the inside of the lower half-arc groove 62 and the upper half-arc groove 63, and to move up and down along the outside of the rotating disk 61. The first guide groove 64 and the second guide groove 65 have a curved arc structure. The output end of the second servo motor 55 extends into the interior of the second pulley 58 and is fixedly connected to the bottom end of the rotating disk 61.
[0020] The specific steps of using an integrated livestock and poultry manure treatment equipment are as follows: S1. The livestock and poultry manure to be treated is put into the feeding pipe 12. The drive mechanism is started to drive the spiral pusher 21 to rotate at a constant speed. Under the action of the spiral push, the manure is conveyed in a direction along the inside of the feeding pipe 12 towards the opening and closing filter cylinder 11, providing a continuous and stable material supply for the subsequent extrusion and dewatering operation. This can avoid the accumulation and blockage of materials in the feeding section to a certain extent and ensure the stability of the feeding process. S2. Start the first servo motor 46, which drives the centering ring 22 to rotate slightly through the meshing transmission of the gear 45 and the toothed plate 44. The centering ring 22 drives the fine-tuning arm 41 to move in conjunction with the guide shaft column 43 to pull the extrusion plate frame 23 to swing around the short horizontal column 42 in a circular motion. This precisely adjusts the contact arc and working distance between the extrusion plate frame 23 and the spiral push rod 21 to adapt to the extrusion requirements of different types of fecal matter, which helps to alleviate the local overpressure or insufficient extrusion that is prone to occur in fixed extrusion structures. S3. The pushed manure enters the working area of the extrusion frame 23. The toothed structure at the bottom of the extrusion frame 23 first punctures and loosens the manure clumps. Then, the inclined diamond structure applies progressive surface pressure to the loosened manure, gradually squeezing out the free water and bound water released by the wall breaking. During the extrusion process, the fine solid particles separated with the water pass through the semi-arc filter screen of the feed pipe 12 and fall into the guide cone groove 54 of the guide cylinder 52. Under the action of gravity, they settle and aggregate, realizing the coarse separation of solid and liquid and the initial interception of fine particles. After being spirally lifted by the lifting screw 53, they fall back into the feed pipe 12, mix with the mainstream manure, and re-enter the extrusion process. This helps to reduce the loss of fine organic solids and improve the recovery rate of manure solids. S4. The pre-compressed manure falls into the opening and closing filter cylinder 11. The rotation of the spiral push rod 21 drives the crank rod 31 to rotate synchronously. Through the centering shaft column 32, the centering disc 24 and the multi-roller column 25 rotate eccentrically. The distance between the multi-roller column 25 and the inner wall of the opening and closing filter cylinder 11 changes periodically, which can scrape off the fine slag layer adhering to the inner wall of the cylinder and extend the dewatering stroke of the manure. At the same time, the centering shaft column 34 drives the displacement cylinder 35 to rotate. Through the cooperation of the corrugated guide groove 36 and the column 38, the drive end horizontal push frame 37 moves horizontally reciprocating along the centering horizontal frame 39, forming a staggered turbulence in the opening and closing filter cylinder 11, which may make the manure fully tumble in the radial and axial directions, improving the uniformity of dewatering. S5. The high-speed rotation of the opening and closing filter cartridge 11 forms a centrifugal force field. Under the centrifugal action, the residual water in the manure is further separated and precipitated, completing the deep dehydration treatment. The dehydrated manure solids are continuously output in a loose state under the synergistic disturbance of the multi-roller column 25 and the end horizontal push frame 37, realizing the integrated continuous operation of solid-liquid separation, dehydration and recycling of livestock and poultry manure, which is conducive to improving the overall efficiency and dehydration effect of manure treatment.
[0021] Working principle: When using: refer to Figure 1 , Figure 2 , Figure 8 , Figure 9 and Figure 10 As shown, when it is necessary to perform a step-by-step extrusion dewatering operation on fecal waste, the dewatering process is effectively extended, allowing the dewatering rate to increase step by step, while maintaining the loose structure of the solids, which facilitates the efficient implementation of subsequent centrifugal separation processes. First, the opening at the top of the feed pipe 12 allows for centralized collection of the manure to be treated. The manure is continuously conveyed deeper into the feed pipe 12 and closer to the spiral pusher 21. The spiral pusher 21 rotates under control, applying a continuous spiral pushing force to the surrounding manure, driving it to move along the gap between the feed pipe 12 and the spiral pusher 21 towards the extrusion frame 23. During this movement, the manure is continuously compressed, causing internal moisture and fine solid particles to tumble and roll to the inner wall of the feed pipe 12. Some fine particles may overflow from the extrusion gap along with the water released during compression. These overflowing particles slide through the semi-circular filter inside the feed pipe 12 into the guide cylinder 52, where they are collected uniformly by the guide cone groove 54. The liquid flow rate inside the guide cone groove 54 is lower than the extrusion flow rate of the manure, allowing fine particles to accumulate at the bottom of the cylinder under gravity settling. They are then guided to the inside of the lifting cylinder 51 via the inclined cone long cylinder 59. The second servo motor 55 outputs driving force, which drives the second belt pulley 58 to rotate at the bottom of the guide cylinder 52. The second belt pulley 58 synchronously drives the belt strip 57 to rotate, and the belt strip 57 further drives the first belt pulley 56 to rotate synchronously, so that the lifting stud 53 assembled inside the lifting cylinder 51 rotates accordingly. The rotation of the lifting stud 53 can transport the manure material deposited at the bottom of the lifting cylinder 51 upward to the top of the cylinder, so that the material falls back into the feed pipe 12 and merges into the main stream of manure that is not squeezed or is in the process of squeezing, thereby realizing the recycling and re-squeezing of fine particles, reducing material loss, and improving the overall dewatering treatment efficiency. refer to Figure 8 , Figure 9 and Figure 10As shown, simultaneously, during the operation of the second servo motor 55, the rotating disk 61 is synchronously driven to rotate at the bottom of the guide cylinder 52. The relative distance between the second belt pulley 58 and the rotating disk 61 can be adjusted circumferentially along the outer side of the connecting rod 66 to avoid interference between the two sets of rotating structures and the movement trajectory of the connecting rod 66 during operation. The rotating disk 61 and the connecting rod 66 maintain a sliding fit. When the rotating disk 61 rotates, the lower half-arc groove 62 moves synchronously, and the connecting rod 66 remains stationary in its original position, so that the connecting rod 66 extending into the guide cone groove 54 and the scraper ring 67 assembled at the end are briefly stationary. During the continuous rotation of the lower half-arc groove 62, the first guide groove 64 gradually approaches and fits against the outside of the connecting rod 66, forming a contact fit with the connecting rod 66. The movement trajectory of the first guide groove 64 can push the connecting rod 66 to slide upward along the gap between the rotating disk 61 and the second belt pulley 58, synchronously driving the scraper ring 67 inside the guide cone groove 54 to move upward. As the connecting rod 66 is about to slide out of the first guide groove 64, the upper semi-arc groove 63 simultaneously approaches and receives the connecting rod 66, sliding along the outside of the connecting rod 66. The connecting rod 66 then remains stationary in its original position, causing the upward-moving scraper ring 67 to briefly pause inside the guide cone groove 54. The upper semi-arc groove 63 continues to rotate, causing the second guide groove 65 to conform to the outside of the connecting rod 66. The connecting rod 66 slides into the inside of the second guide groove 65. The movement trajectory of the second guide groove 65 can push the connecting rod 66 to move downward along the gap to reset. Through continuous reciprocating linkage of the structure, The scraper ring 67 can perform periodic upward and downward stationary actions inside the guide cone groove 54. During the upward movement of the scraper ring 67, its outer edge can peel off the fine particles and fibrous fecal matter attached to the cylinder wall. The peeled material falls off and merges into the mainstream material by gravity and the thrust of the ring body. During the downward movement, it can scrape the cylinder wall again to remove residual fecal matter that has been reattached by liquid splash. This intermittent stationary action can create a local low flow rate period in the cylinder, providing sufficient gravity settling conditions for fine particles and ensuring the continuity and stability of the fecal matter circulation and transportation inside the lifting cylinder 51. refer to Figure 2 , Figure 3 and Figure 4As shown, secondly, the equipment can adaptively adjust the contact arc and working distance between the three sets of extrusion plate frames 23 and the spiral push rod 21 according to the differences in manure concentration and moisture content. During the adjustment operation, the first servo motor 46 drives the gear 45 to rotate. The gear 45 and the toothed plate 44 form a meshing transmission, which drives the centering ring 22 to rotate along the side of the feed pipe 12. During the rotation of the centering ring 22, it drives the fine adjustment arm 41 to move in an arc synchronously. Due to the limitation of the assembly length, when the fine adjustment arm 41 moves, it abuts against and pulls the guide shaft column 43 to move in a directional displacement. The guide shaft column 43 further drives the extrusion plate frame 23 to move along the short The horizontal column 42 swings in a circular motion to adjust the relative distance and contact arc between the extrusion plate frame 23 and the spiral push rod 21, and simultaneously changes the circumferential radius of curvature of the bottom teeth and the rhomboid structure of the extrusion plate frame 23. When the contact arc increases, the outer contour of the extrusion plate frame 23 and the spiral push rod 21 is more closely fitted, and the compression change of the feces from the tooth section to the rhomboid extrusion section is more gradual. When the contact arc decreases, the local curvature of the extrusion plate frame 23 increases, which can form a concentrated extrusion effect on the corresponding area of feces, effectively avoiding the problems of local overpressure damage or insufficient extrusion caused by fixed arc extrusion. refer to Figure 2 , Figure 6 and Figure 7 As shown, the spiral pusher 21 continuously pushes the fecal waste to the area of the extrusion frame 23. The inclined rhomboid structure of the extrusion frame 23 can apply progressive surface pressure to the fecal waste after the initial tooth loosening, causing the free water inside the fecal waste and the bound water released by the cell wall breakage to be discharged and precipitated out along the rhomboid inclined surface. Under the action of the spiral pushing force, the tooth structure on the rear side of the rhomboid structure can locally puncture and cut the fibrous clumps and solid aggregates of the fecal waste, destroying the cell wall structure of the internal fibers and solid particles of the fecal waste, completing the pre-dehydration and loosening modification treatment of the fecal waste. After pre-extrusion and dehydration, the fecal waste passes through the bottom of the extrusion frame 23 and falls into the opening and closing filter cartridge 11 under its own weight. During the operation of the spiral push rod 21, the crank rod 31 is synchronously driven to rotate circumferentially inside the opening and closing filter cylinder 11. The center limiting plate 24 forms an eccentric transmission cooperation with the spiral push rod 21 through the crank rod 31. During the rotation of the crank rod 31, it continuously contacts the centering shaft 32, and reciprocates to push and pull the center limiting plate 24 to perform eccentric rotation inside the opening and closing filter cylinder 11. The five sets of multi-roller columns 25 follow the center limiting plate 24 to complete the eccentric rotation synchronously. Because there is an eccentricity between the rotation center of the center limiting plate 24 and its own geometric center, when the center limiting plate 24 rotates to the eccentric push stroke range, the multi-roller columns 25 move outward and approach the inner wall of the opening and closing filter cylinder 11, contact the fecal material attached to the cylinder wall, and push the material along the conveying direction for a single pulse stroke. refer to Figure 2 , Figure 6 and Figure 7As shown, during the eccentric rotation of the multi-roller column 25, the connecting arm 33 reciprocates. Both ends of the connecting arm 33 are constrained by the multi-roller column 25 and the limiting shaft column 34, respectively, precisely defining its direction of movement. During rotation, the connecting arm 33 continuously contacts and engages with the outer wall of the limiting shaft column 34, reciprocating to complete the push-pull action. This causes the angle between the connecting arm 33 and the multi-roller column 25 to periodically switch between horizontal and vertical states. Simultaneously, the movement of the connecting arm 33 drives the limiting shaft column 34 to rotate circumferentially inside the dewatering tank 1, causing the gap between the multi-roller column 25 and the inner wall of the opening / closing filter cartridge 11 to periodically change in width along the circumference. The multi-roller column 25 can perform close-range scraping and micro-contact stripping of the cartridge wall within the narrow gap, promptly removing the fine residue layer adhering to the inner wall of the filter cartridge during centrifugation. This stripped fine residue is then thrown back into the main material of the manure, preventing the accumulation of fine residue from clogging the filter holes. During the rotation of the limiting shaft column 34, the displacement cylinder is simultaneously moved. 35. The corrugated guide groove 36 rotates, and the trajectory contour of the corrugated guide groove 36 continuously contacts and cooperates with the outside of the column 38, driving the column 38 to move back and forth along the trajectory of the corrugated guide groove 36. The column 38 further drives the end horizontal push frame 37 to slide horizontally along the centering horizontal frame 39, so that the end horizontal push frame 37 partially extends into the opening and closing filter cylinder 11, continuously pushing the surrounding materials, causing the fecal materials in the dewatering tank 1 to achieve radial and axial all-round tumbling and mixing. The opening and closing filter cylinder 11 and the spiral push rod 21 are arranged in an alternating pattern. The fecal materials pre-dewatered by the spiral push rod 21 can fall smoothly into the opening and closing filter cylinder 11 under its own weight. The materials naturally scatter and disperse during the falling process, avoiding the accumulation of materials. The high-speed rotation of the opening and closing filter cylinder 11 can form a stable centrifugal force field inside, driving the fecal materials in the cylinder to move towards the edge. Relying on the centrifugal effect generated by the solid-liquid density difference, the pre-dewatered fecal materials are subjected to deep centrifugal dewatering.
[0022] The foregoing has only described certain exemplary embodiments of the present invention by way of illustration. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the foregoing drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.
Claims
1. An integrated livestock and poultry manure treatment device, comprising a dewatering tank (1) and an openable filter cartridge (11), wherein one end of the dewatering tank (1) is fixedly connected to a discharge pipe (12) communicating with the interior of the openable filter cartridge (11), characterized in that: A separation component (2) is provided between the feed pipe (12) and the opening and closing filter cylinder (11), and the separation component (2) is used to squeeze the manure and extend the dewatering stroke. The separating assembly (2) includes a spiral push rod (21) rotatably connected inside the feed pipe (12) and a centering disc (24) set inside the opening and closing filter cylinder (11). The centering disc (24) and the spiral push rod (21) are staggered. Several multi-roller columns (25) are movably connected to the outside of the centering disc (24). A centering ring (22) is installed at one end of the feed pipe (12). The centering ring (22) is located inside the opening and closing filter cylinder (11). Several extrusion plate frames (23) are provided inside the centering ring (22). The bottom of the extrusion plate frame (23) is toothed, and its near tooth is set as an inclined rhomboid structure. An eccentric assembly (3) is provided between the spiral push rod (21) and the centering disc (24). The eccentric assembly (3) is used to make the centering disc (24) and the multi-roller columns (25) rotate eccentrically inside the opening and closing filter cylinder (11). A fine-tuning component (4) is provided between the feed tube (12) and the centering ring (22), and the fine-tuning component (4) is used to adjust the curvature and spacing between the extrusion plate frame (23) and the spiral push rod (21); The feed pipe (12) is provided with a back-mixing component (5) on the outside, and the back-mixing component (5) is used to back-mix the fine particles that are squeezed out along with water back into the feces.
2. The integrated livestock and poultry manure treatment equipment according to claim 1, characterized in that: The back-mixing assembly (5) includes a lifting cylinder (51) and a guide cylinder (52) fixedly connected to the outside of the discharge pipe (12), and the lifting cylinder (51) and the guide cylinder (52) are connected to the inside of the discharge pipe (12). The lifting cylinder (51) is rotatably connected to a lifting stud (53) for lifting manure. The guide cylinder (52) has a guide cone groove (54) that is connected to the inside of the discharge pipe (12), and the guide cone groove (54) is set as an inclined structure. The guide cylinder (52) and the lifting cylinder (51) are connected together by an inclined cone long cylinder (59), which is connected to the inside of both, and the inclined cone long cylinder (59) is arranged at an inclination. The bottom of the lifting cylinder (51) and the guide cylinder (52) are respectively equipped with a first belt pulley (56) and a second belt pulley (58), and the first belt pulley (56) is used to drive the lifting stud (53) to rotate. A second servo motor (55) is fixedly connected to the side near the second belt pulley (58), and the second servo motor (55) is used to drive the second belt pulley (58) to rotate. The second belt pulley (58) and the first belt pulley (56) are connected together by a belt strip (57). A quick discharge assembly (6) is provided between the second servo motor (55) and the guide cylinder (52), and the quick discharge assembly (6) is used to increase the flow speed of fecal matter inside the guide cone groove (54).
3. The integrated livestock and poultry manure treatment equipment according to claim 2, characterized in that: The quick-release assembly (6) includes a rotating disk (61) movably connected to the bottom end of the guide cylinder (52), and the rotating disk (61) is sleeved inside the second belt pulley (58) with a gap between it and the inner wall of the second belt pulley (58). A scraper ring (67) is slidably connected inside the guide cone groove (54), and a connecting rod (66) is fixedly connected to the bottom of the scraper ring (67), and the connecting rod (66) moves along the inner wall of the guide cone groove (54). One end of the connecting rod (66) extends into the gap between the rotating disk (61) and the second belt pulley (58), and this end passes through the guide cone groove (54) and the guide cylinder (52) in sequence. The rotating disk (61) has a lower half-arc groove (62) and an upper half-arc groove (63) on its outside, which are used to guide the connecting rod (66) to move and pause briefly. The rotating disk (61) also has a first guide groove (64) and a second guide groove (65) on its outside, which are used to guide the connecting rod (66) to move along the inside of the lower half-arc groove (62) and the upper half-arc groove (63), and to move up and down along the outside of the rotating disk (61). The first guide groove (64) and the second guide groove (65) have a curved arc structure. The output end of the second servo motor (55) extends into the interior of the second pulley (58) and is fixedly connected to the bottom end of the rotating disk (61).
4. The integrated livestock and poultry manure treatment equipment according to claim 2, characterized in that: The eccentric assembly (3) includes a crank (31) fixedly connected to one end of the helical push rod (21) and a centering shaft (32) installed at one end of the centering plate (24), and the end of the crank (31) is movably sleeved on the outside of the centering shaft (32). Each of the multi-roller columns (25) is fitted with a connecting arm (33) at one end. The dehydration tank (1) is rotatably connected to a mandrel column (34), and the connecting arm (33) is fitted onto the outside of the mandrel column (34). The outer side of the limiting shaft column (34) is provided with a reciprocating component, which is used to push the fecal waste to be fully dehydrated inside the opening and closing filter cartridge (11).
5. The integrated livestock and poultry manure treatment equipment according to claim 4, characterized in that: The reciprocating assembly includes a displacement cylinder (35) sleeved on one end of the centering shaft (34) and a centering crossbeam (39) fixedly connected inside the dehydration tank (1). The centering crossbeam (39) is partially located inside the opening and closing filter cylinder (11). An end crossbeam (37) is slidably sleeved on the outside of the centering crossbeam (39), and the centering crossbeam (39) is used to limit the displacement direction of the end crossbeam (37). The top of the end pusher (37) is fixedly connected to a column (38), and the outside of the displacement cylinder (35) is provided with a corrugated guide groove (36) for guiding the column (38) to move, and the corrugated guide groove (36) is designed as an annular corrugated shape.
6. The integrated livestock and poultry manure treatment equipment according to claim 5, characterized in that: The fine-tuning component (4) includes a fine-tuning arm (41) movably connected inside the centering ring (22) and a short horizontal column (42) fixedly connected to one side of the feed tube (12) for the extrusion plate frame (23) to rotate in a circular manner, and the short horizontal column (42) and the extrusion plate frame (23) are connected by a movable sleeve. The extrusion plate frame (23) has a guide shaft column (43) installed on one side near the short cross column (42), and one side of the fine adjustment arm (41) is movably sleeved on the outside of the guide shaft column (43), and the fine adjustment arm (41) is designed as an arc structure.
7. The integrated livestock and poultry manure treatment equipment according to claim 6, characterized in that: The outside of the feed tube (12) is also fixedly connected to a first servo motor (46), and the end of the first servo motor (46) extends to one side of the centering ring (22) and is fixedly connected to a gear (45). The side of the centering ring (22) near the gear (45) is fixedly connected to a toothed plate (44) that meshes with the gear (45).
8. The process of using the integrated livestock and poultry manure treatment equipment according to claim 7, characterized in that, The specific steps are as follows: S1. Put the livestock and poultry manure to be treated into the feed pipe (12), start the drive mechanism to drive the spiral push rod (21) to rotate at a constant speed. Under the action of the spiral push, the manure is conveyed in a direction along the inside of the feed pipe (12) towards the opening and closing filter cylinder (11), providing a continuous and stable material supply for subsequent extrusion and dewatering operations. This can avoid material accumulation and blockage in the feeding section to a certain extent and ensure the stability of the feeding process. S2. Start the first servo motor (46), and drive the centering ring (22) to rotate slightly through the meshing transmission of the gear (45) and the toothed plate (44); the centering ring (22) drives the fine adjustment arm (41) to move in conjunction, and through the guide shaft column (43) pulls the extrusion plate frame (23) to swing around the short horizontal column (42) in a circular motion, so as to precisely adjust the contact arc and working distance between the extrusion plate frame (23) and the spiral push rod (21) to adapt to the extrusion requirements of different types of fecal waste, which helps to alleviate the local overpressure or insufficient extrusion that is prone to occur in the fixed extrusion structure; S3. The pushed manure enters the working area of the extrusion frame (23). The toothed structure at the bottom of the extrusion frame (23) first punctures and loosens the manure clumps. Then, the inclined diamond structure applies progressive surface pressure to the loosened manure, gradually squeezing out the free water inside the manure and the bound water released by the wall breaking. During the extrusion process, the fine solid particles separated by water pass through the semi-arc filter screen of the feed pipe (12) and fall into the guide cone groove (54) of the guide cylinder (52). Under the action of gravity, they settle and aggregate, realizing the coarse separation of solid and liquid and the initial interception of fine particles. After being spirally lifted by the lifting screw (53), they fall back into the feed pipe (12), mix with the mainstream manure, and re-enter the extrusion process. This helps to reduce the loss of fine organic solids and improve the recovery rate of manure solids. S4. The pre-compressed manure falls into the opening and closing filter cylinder (11). The rotating screw push rod (21) drives the crank rod (31) to rotate synchronously. Through the centering shaft column (32), the centering disc (24) and the multi-roller column (25) rotate eccentrically. The distance between the multi-roller column (25) and the inner wall of the opening and closing filter cylinder (11) changes periodically, which can scrape off the fine slag layer adhering to the inner wall of the cylinder and extend the manure dewatering stroke. At the same time, the centering shaft column (34) drives the displacement cylinder (35) to rotate. Through the cooperation of the corrugated guide groove (36) and the column (38), the drive end horizontal push frame (37) moves horizontally along the centering horizontal frame (39) to form a staggered turbulence in the opening and closing filter cylinder (11), which may make the manure fully turn over in the radial and axial directions and improve the uniformity of dewatering. S5. The high-speed rotation of the filter cylinder (11) forms a centrifugal force field. Under the centrifugal action, the residual water in the manure is further separated and precipitated, completing the deep dehydration treatment. The dehydrated manure solids are continuously output in a loose state under the synergistic disturbance of the multi-roller column (25) and the end horizontal push frame (37), realizing the integrated continuous operation of solid-liquid separation, dehydration and recycling of livestock and poultry manure, which is conducive to improving the overall efficiency and dehydration effect of manure treatment.