CN-121361938-B - Comprehensive treatment method and system for livestock and poultry manure

CN121361938BCN 121361938 BCN121361938 BCN 121361938BCN-121361938-B

Abstract

The invention relates to the technical field of fecal sewage treatment, in particular to a comprehensive treatment method and a system for livestock and poultry fecal sewage, wherein the comprehensive treatment system for livestock and poultry fecal sewage comprises a fecal sewage dry-wet separation device for carrying out dry-wet separation on the fecal sewage. The excrement dry-wet separation device comprises a machine case, a filter cartridge, an auger assembly, a pressing plate and a cleaning assembly. When the filter cartridge is blocked, the cleaning assembly periodically drives the liquid to be sprayed to the surface of the filter cartridge so as to flush the filter cartridge, thereby effectively solving the problem of blocking the filter cartridge.

Inventors

WANG PEIXIN
SUN XIANGWEN
Si fei
DUAN LIYA
LI XINTAO
DONG WENXIA
LIU YUANJUN
Luo Tianhuan
ZHANG YANYANG
ZHAO DEHAO

Assignees

开信(大连)互联网服务有限公司

Dates

Publication Date: 20260508
Application Date: 20251202

Claims (6)

1. The utility model provides a dirty integrated processing system of beasts and birds excrement, includes the dirty dry wet separation equipment of excrement that is used for carrying out dry wet separation to the excrement, its characterized in that, the dirty dry wet separation equipment of excrement includes: The machine box is provided with a feed inlet for conveying materials and a discharge outlet for outputting the materials, and a material processing cavity is formed in the machine box; The filter cartridge is arranged in the material processing cavity and is fixedly connected with the machine case, the inside of the filter cartridge and the machine case jointly form a solid-liquid separation cavity, one end of the solid-liquid separation cavity is communicated with the feed inlet, and the other end of the solid-liquid separation cavity is communicated with the discharge outlet; The packing auger assembly comprises a rotating shaft and packing auger blades, wherein the rotating shaft is rotationally arranged in the solid-liquid separation cavity and coaxially arranged in the filter cylinder; The rotating shaft can rotate around the rotating shaft in the axial direction of the rotating shaft, so that the auger blade conveys materials and is linked with the pressing plate to extrude the materials to realize solid-liquid separation; a cleaning assembly that periodically drives a spray of liquid against a surface of the filter cartridge to flush the filter cartridge when the filter cartridge is clogged; The screw blade close to the discharge hole is provided with a liquid outlet hole, the liquid outlet hole is arranged at the edge of the screw blade, the opening of the liquid outlet hole faces the surface of the filter cylinder, the rotating shaft close to the discharge hole is provided with a liquid inlet hole, a baffle cylinder is fixedly arranged in the rotating shaft and is in coaxial clearance fit with the rotating shaft, the baffle cylinder and the rotating shaft form a containing cavity together, the containing cavity is used for containing liquid, the liquid outlet hole and the liquid inlet hole are communicated with the containing cavity; The cleaning assembly comprises a pneumatic unit, a reset unit and a push rod, wherein the pneumatic unit is used for periodically providing power for the push rod, the push rod can axially slide along the push rod, the push rod is coaxially arranged in the baffle cylinder, the pneumatic unit drives the push rod to axially slide along the push rod, liquid is filled in the accommodating cavity, and the liquid in the accommodating cavity is sprayed towards the filter cylinder through the liquid outlet hole when the reset unit resets the push rod; The pneumatic unit comprises a first support shaft, a second support shaft and an external air extraction system, wherein the first support shaft and the second support shaft are coaxially sleeved and connected with each other, the first support shaft and the second support shaft are fixedly connected with the case, the second support shaft is coaxially and rotatably arranged at one end of the rotating shaft, which is close to the discharge port, and the first support shaft and the second support shaft are coaxially and slidably connected with the push rod; The reset unit comprises a tension spring, one end of the tension spring is fixedly connected with the push rod, the other end of the tension spring is fixedly connected with the second support shaft, the elastic force of the tension spring always enables the push rod to have a trend of sliding towards the direction far away from the first support shaft, and one-way valves are arranged in the liquid inlet hole and the liquid outlet hole.
2. The integrated treatment system of livestock and poultry manure according to claim 1, further comprising a driving mechanism for driving the rotating shaft to rotate around the shaft.
3. The integrated treatment system for livestock and poultry manure according to claim 2, wherein the driving mechanism comprises a third supporting shaft, a motor and a coupling, the third supporting shaft is rotationally connected with the case, the third supporting shaft is coaxially and fixedly arranged at one end of the rotating shaft, which is close to the feeding port, the coupling is connected with the third supporting shaft, and the motor provides power for the third supporting shaft through the coupling.
4. The integrated treatment system of livestock and poultry manure according to claim 1, wherein the liquid outlet holes are inclined.
5. The integrated treatment system of livestock and poultry manure of claim 1, further comprising a waste water tank for collecting the liquid filtered by the filter cartridge.
6. A method for comprehensively treating livestock and poultry manure, for executing the comprehensive treatment system for livestock and poultry manure according to any one of claims 1 to 5, comprising the steps of: s100, the rotating shaft axially rotates around the rotating shaft to drive the auger blade to synchronously rotate; S200, putting materials into the solid-liquid separation cavity from the feed inlet, and pushing the materials to the discharge outlet by the auger blade so as to perform solid-liquid separation; s210, stacking materials near a discharge hole, and extruding the materials in a gap between a pressing plate and the discharge hole to realize solid-liquid separation; S220, filtering the liquid through a filter cartridge, and discharging solid residues from a gap between a material pressing plate and a material outlet; and S300, when the filter cartridge is blocked, the cleaning assembly periodically drives liquid to be sprayed to the surface of the filter cartridge to wash the filter cartridge, so that the blocking is relieved.

Description

Comprehensive treatment method and system for livestock and poultry manure Technical Field The invention relates to the technical field of fecal sewage treatment, in particular to a comprehensive treatment method and system for livestock and poultry fecal sewage. Background In recent years, with the rapid development of livestock and poultry raising industry in China to scale and intensification, the total amount of manure generated in daily life of the farm is greatly increased. If the feces are not effectively treated and directly discharged, soil heavy metal exceeding standard, water eutrophication and air odor pollution are easily caused, so that the ecological environment is destroyed, and the human health can be influenced by a food chain. Therefore, harmless treatment and resource utilization of livestock and poultry manure become one of the core demands of sustainable development of the breeding industry, and related treatment technologies are widely applied to the manure rear-end treatment links of large-scale farms and the raw material pretreatment procedures of organic fertilizer production enterprises. In order to solve the problem of fecal sewage treatment, the existing extrusion type fecal sewage dry-wet separation equipment has the advantages of compact structure, simple and convenient operation, higher separation efficiency and controllable cost, and becomes one of the mainstream treatment equipment. The equipment generally conveys the excrement through the auger, solid-liquid separation is realized by utilizing the extrusion effect of the filter cartridge and the auger, the separated solid residues can be further processed into organic fertilizer raw materials to realize resource recovery, and the separated liquid can be used for reducing and recycling the excrement such as farmland irrigation or standard discharge after the separated liquid reaches the standard through subsequent processes such as anaerobic fermentation, biochemical treatment and the like. However, in the long-term continuous operation process of the existing extrusion type dry-wet separation equipment, coarse fibers, impurity particles and other substances contained in the excrement are easy to adhere to the surface of the filter cylinder and gradually accumulate in the extrusion process, so that the filter cylinder is blocked, liquid cannot smoothly pass through the filter cylinder, the solid-liquid separation efficiency is reduced, and meanwhile, the discharging quality is influenced. Disclosure of Invention Based on the problems, the filter cylinder is easy to be blocked when the existing equipment is used for treating the feces, and the comprehensive treatment method and the system for the livestock and poultry feces are provided. The above purpose is achieved by the following technical scheme: a comprehensive treatment system for livestock and poultry manure, comprising manure dry-wet separation equipment for dry-wet separation of the manure, wherein the manure dry-wet separation equipment comprises: the machine comprises a machine case, a machine case and a machine cover, wherein the machine case is provided with a feed inlet for conveying materials and a discharge outlet for outputting the materials; The filter cartridge is arranged in the material treatment cavity and fixedly connected with the machine case, the interior of the filter cartridge and the machine case jointly form a solid-liquid separation cavity, one end of the solid-liquid separation cavity is communicated with the feed inlet, and the other end of the solid-liquid separation cavity is communicated with the discharge outlet; the packing auger assembly comprises a rotating shaft and packing auger blades, wherein the rotating shaft is rotationally arranged in the solid-liquid separation cavity and coaxially arranged in the filter cylinder; The rotating shaft can rotate around the rotating shaft in the axial direction of the rotating shaft, so that the auger blade conveys materials and is linked to the pressing plate to extrude the materials to realize solid-liquid separation; a cleaning assembly that periodically drives a spray of liquid against a surface of the filter cartridge to flush the filter cartridge when the filter cartridge is clogged. Further, a liquid outlet hole is formed in the auger blade close to the discharge hole, the liquid outlet hole is formed in an edge of the auger blade, an opening of the liquid outlet hole faces the surface of the filter cylinder, a liquid inlet hole is formed in the rotating shaft close to the discharge hole, a blocking cylinder is fixedly arranged in the rotating shaft and is in coaxial clearance fit with the rotating shaft, the blocking cylinder and the rotating shaft form a containing cavity together, the containing cavity is used for containing liquid, the liquid outlet hole and the liquid inlet hole are communicated with the containing cavity, when the filter cylinder is seriously blocked, liquid enterin