CN211129323U - A fungus bed treatment vehicle for fecal treatment in pig house - Google Patents

A fungus bed treatment vehicle for fecal treatment in pig house Download PDF

Info

Publication number
CN211129323U
CN211129323U CN201922023459.4U CN201922023459U CN211129323U CN 211129323 U CN211129323 U CN 211129323U CN 201922023459 U CN201922023459 U CN 201922023459U CN 211129323 U CN211129323 U CN 211129323U
Authority
CN
China
Prior art keywords
stirring
walking
transmission device
treatment
driving
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201922023459.4U
Other languages
Chinese (zh)
Inventor
张世杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Heilongjiang Xiongwei Biotechnology Co ltd
Original Assignee
Heilongjiang Xiongwei Biotechnology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Heilongjiang Xiongwei Biotechnology Co ltd filed Critical Heilongjiang Xiongwei Biotechnology Co ltd
Priority to CN201922023459.4U priority Critical patent/CN211129323U/en
Application granted granted Critical
Publication of CN211129323U publication Critical patent/CN211129323U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/20Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses

Landscapes

  • Fertilizers (AREA)
  • Treatment Of Sludge (AREA)

Abstract

The utility model provides a fungus bed treatment vehicle for fecal treatment in pig house belongs to modernized cultivation technical field, especially relates to a fungus bed treatment vehicle for fecal treatment in pig house. Solves the problems of high difficulty in fecal treatment, large environmental impact and high treatment cost in pig farms. The fungus bed processing vehicle comprises a stirring driving mechanism, a transmission mechanism, a stirring mechanism, a travelling mechanism and a frame, wherein the stirring driving mechanism and the transmission mechanism are arranged on the frame, the stirring mechanism comprises a cutter shaft tube and stirring blades, the stirring blades are arranged along the circumferential direction of the cutter shaft tube, the transmission mechanism comprises a stirring transmission device and a travelling transmission device, the stirring driving mechanism is connected with the stirring transmission device, the stirring transmission device is connected with the cutter shaft tube, and the fungus bed processing vehicle is controlled by the travelling mechanism to move along a guide rail. It is mainly used for treating the excrement in the pigsty.

Description

A fungus bed treatment vehicle for fecal treatment in pig house
Technical Field
The utility model belongs to the technical field of the modernization is bred, especially relate to a fungus bed processing vehicle for fecal treatment in pig house.
Background
Nowadays, the environmental requirements are increasingly improved, the environmental pollution is more and more emphasized, the environmental pollution of pig farms can be an all-dimensional type, and it is estimated that 30 tons of excrement are produced in a ten thousand pig farms, 15.9kg of ammonia gas and 1.5kg of nitrogen sulfide are discharged into the atmosphere every hour, the excrement contains a large amount of putrefactive organic matters such as carbon-containing compounds and ammonia-containing compounds, and after the putrefactive organic matters enter a water body, the organic matters are subjected to anaerobic decomposition to generate a plurality of malodorous substances, so that the water body is blackened and smelled, and the water quality is deteriorated and cannot be used; a large amount of harmful gases such as ammonia gas, carbon monoxide, carbon dioxide, hydrogen sulfide and the like are discharged from a pig farm. The pig can not be reasonably treated for a long time, the pig can affect the respiration, circulation and nervous system, and the morbidity and mortality are increased.
The existing treatment mode in the industry is random discharge and is mostly used in mountainous areas, which is a method for avoiding the generation of a large amount of cost for treating pollutants; secondly, excrement is separated in a dry-wet mode through equipment, the dry excrement is collected and fermented to prepare farmyard manure or sold to prepare standard organic fertilizer, waste water is stored in a centralized mode and is subjected to anaerobic fermentation, fermentation is carried out in an itch pool, coagulating sedimentation is carried out, and finally the manure reaches the standard and is discharged, or the manure is discharged into a built methane tank to be fermented to generate methane, the methane can be used for generating electricity, the realization difficulty is very high through actual use, the waste water generated after the dry-wet separation is discharged into a huge bag, is subjected to sedimentation and filtration, is treated through chemical methods such as coagulating, disinfecting and neutralizing, and finally the manure reaches the standard and is discharged, and the difficulty. And the cost generated by fecal treatment is very high, the investment of the environmental protection project reaches up to 300 ten thousand at one time when a pig farm of 10000 pigs is produced every year, the number of the raised pigs is increased, the investment is increased along with the increase, and the environmental protection treatment cost of each slaughtered pig reaches more than 50 yuan. The pig manure is directly transported out without treatment, the cost per ton is 50 yuan, and the transport cost is about millions per year in a pig farm with the scale of 10000 pigs.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the problem among the prior art, provide a fungus bed processing vehicle for fecal treatment in pig house.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a fungus bed processing vehicle for fecal treatment in a pigsty comprises a stirring driving mechanism, a transmission mechanism, a stirring mechanism, a walking mechanism and a frame, wherein the stirring driving mechanism and the transmission mechanism are both arranged on the frame, the stirring mechanism comprises a cutter shaft tube and stirring blades, the stirring blades are arranged along the circumferential direction of the cutter shaft tube, the transmission mechanism comprises a stirring transmission device and a walking transmission device, the stirring driving mechanism is connected with the stirring transmission device, the stirring transmission device is connected with the cutter shaft tube, the walking mechanism comprises a walking driving device, a walking driving wheel, a walking supporting wheel and a walking wheel driving shaft, the walking driving device is connected with the walking transmission device, the walking transmission device is connected with the walking wheel driving shaft, the two ends of the walking wheel driving shaft are connected with the walking driving wheel, the walking driving wheel is arranged outside the frame, the walking supporting wheels are rotatably connected with the frame.
Furthermore, the stirring driving mechanism comprises a stirring motor and a first speed reducer, the output end of the stirring motor is connected with the input end of the first speed reducer, and the output end of the first speed reducer is connected with the stirring transmission device.
Furthermore, the walking driving device comprises a walking motor and a second speed reducer, wherein the output end of the walking motor is connected with the input end of the second speed reducer, and the output end of the second speed reducer is connected with the walking transmission device.
Furthermore, one end of the cutter shaft pipe is provided with a shaft head, the other end of the cutter shaft pipe is provided with a spline sleeve, the shaft head is rotatably connected with the frame, and the spline sleeve is connected with the stirring transmission device.
Furthermore, a tool magazine is arranged on the tool shaft tube, and the stirring blades are fixedly connected in the tool magazine.
Furthermore, the walking driving wheel and the walking supporting wheel are connected with the guide rail.
The utility model also provides a processing method for fecal treatment in the pig house, it includes following steps:
the method comprises the following steps: digging a tunnel with the length of 1.4-1.8 meters at the bottom of the pigsty, building the tunnel by red bricks and performing waterproof treatment, and performing press polishing by using a cement cover, wherein the built tunnel is used as a fermentation fungus bed of excrement;
step two: two tracks are laid on two sides of a fermentation fungus bed, a guide rail with a power line is arranged above the two tracks, a fungus bed processing vehicle is arranged on the guide rail, a dung leaking floor is laid above the fermentation fungus bed, and live pigs are confined above the dung leaking floor;
step three: crushing straws of crops by a crusher, mixing and stirring the crushed straws and excrement fermentation probiotics, and uniformly paving the mixed and stirred straws at the bottom of a fermentation bacterial bed by a bacterial bed treatment vehicle to form a fermentation layer;
step four: dropping the feces generated by the live pigs onto a fermentation layer at the bottom of the fermentation bacterial bed through the pores on the feces leaking floor, and stirring the fermentation layer back and forth by a bacterial bed treatment vehicle every 3-4 days, wherein the stirring back and forth is not less than 3 times each time;
step five: the fermentation layer is fermented to form organic fertilizer, and the fermented organic fertilizer is discharged out of the fermentation bacterial bed by a bacterial bed treatment vehicle every half year.
Furthermore, the two rails are arranged in parallel, and the bearing weight is not less than 500 Kg.
Furthermore, the length of the crushed straws of the crops is not more than 50mm, the distance between the stirring blades of the fungus bed processing vehicle and the ground of the fermentation fungus bed is 50mm, and the thickness of the fermentation layer is 600 mm.
Furthermore, a dung baffle is arranged above the track, is made of metal and is fixed on two sides of the fermentation fungus bed, the gradient of the dung baffle is 45 degrees, and the width of the dung baffle is 200 mm. The length is the same as the track.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a pig farm fecal treatment degree of difficulty big, to the problem that the environmental impact is big and the treatment cost is high. The core of the utility model lies in that the beneficial function microorganism composite bacteria with strong activity is utilized for a long time and stably and the synergistic fermentation effect of crop straws and animal fecaluria is participated in, so that the waste such as excrement, urine and the like is quickly converted into substances such as sugar, protein, organic acid, microorganisms and the like, thereby having the advantages of environmental protection, energy conservation, emission reduction, waste change, external economic benefit creation, production environment improvement, immunity improvement, comprehensiveness and production efficiency improvement. The details are as follows
1. The pig manure is rapidly decomposed under the action of the biological probiotics and the crop straws. The method has the advantages that the method does not give an opportunity of emitting odor to the excrement, does not discharge harmful gas, pollutes the environment, saves an exhaust system in the pigsty and only needs simple ventilation facilities;
2. the excrement can generate a large amount of heat in the decomposition process, and the temperature of the pigsty can be kept at-10 ℃ in winter, so that the growth of the pigs is facilitated;
3. the treatment cost for treating the pig manure is reduced, and meanwhile, the pig manure is decomposed into organic fertilizer under the action of the biological probiotics, so that the pig manure can be sold to create profits;
4. huge pollutant treatment cost is saved every year, and 100 ten thousand of capital is saved in one 10000 pig farm per year;
5. organic fertilizer is formed under the action of the excrement in the biological probiotics and the crop straws, no large amount of waste water is generated, 10000 tons of excrement can be produced in a 10000-head pig farm every year, 4000 tons of organic fertilizer can be produced, and the expected creative value is 120 ten thousands;
6. the formed organic fertilizer realizes the returning of manure, improves the soil environment and is beneficial to the nation and the people;
7. the contents of organic pollutants, ammonia gas and hydrogen sulfide in the excrement are reduced, the peculiar smell is eliminated, and the culture environment is improved;
8. the environment of a pigsty is improved, the piglets are promoted to quickly establish and perfect the balance of intestinal flora, the survival rate of the piglets is improved, an immune system is activated, the immunity of the organism is comprehensively improved, the use of antibiotics is reduced, the animals are healthier, the disease resistance is improved, the amino acid content of the flavor is improved, the peculiar smell is eliminated, the lean meat percentage is improved, and the flavor of the meat is better;
9. the fungus bed processing vehicle has multiple functions, can uniformly lay the mixture of probiotics and crop straws at the bottom of the fermentation fungus bed, can start stirring periodically, enables fermentation to be more sufficient, can clear organic fertilizers out of the fermentation fungus bed after fermentation is completed, saves labor and avoids personnel operating in a severe environment;
10. the fungus bed processing vehicle is convenient for the reconstruction of old piggery, and on the premise of not changing the basic structure of the piggery, the tracks are erected at the bottom of the excrement leaking plate and at the two sides of the tunnel
Drawings
FIG. 1 is a schematic structural view of a fungal bed treatment vehicle for treating feces in a pigsty according to the present invention;
fig. 2 is a schematic structural view of the stirring mechanism of the present invention;
fig. 3 is a schematic view of a three-dimensional structure of the stirring mechanism of the present invention;
FIG. 4 is a schematic view of the arrangement inside the pigsty according to the present invention;
FIG. 5 is a partial schematic view of a fermentation fungal bed according to the present invention;
FIG. 6 is a schematic view of a part of a fermentation layer according to the present invention.
1-stirring driving mechanism, 2-transmission mechanism, 3-stirring mechanism, 4-walking motor, 5-walking transmission device, 6-walking driving wheel, 7-walking supporting wheel, 8-walking wheel driving shaft, 9-frame, 10-shaft head, 11-spline housing, 12-knife shaft tube, 13-stirring blade, 14-knife house, 15-guide rail, 16-rail, 17-dung-leaking floor, 18-fermentation fungus bed, 19-piggery and 20-fermentation layer.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely explained below with reference to the drawings in the embodiment of the present invention.
Referring to fig. 1-6 to illustrate the embodiment, a fungus bed processing vehicle for processing excrement in a pig house comprises a stirring driving mechanism 1, a transmission mechanism 2, a stirring mechanism 3, a traveling mechanism and a frame 9, wherein the stirring driving mechanism 1 and the transmission mechanism 2 are both arranged on the frame 9, the stirring mechanism 3 comprises a cutter shaft tube 12 and stirring blades 13, the stirring blades 13 are arranged along the circumferential direction of the cutter shaft tube 12, the transmission mechanism 2 comprises a stirring transmission device and a traveling transmission device 5, the stirring driving mechanism 1 is connected with the stirring transmission device, the stirring transmission device is connected with the cutter shaft tube 12, the traveling mechanism comprises a traveling driving device, a traveling driving wheel 6, a traveling supporting wheel 7 and a traveling driving wheel driving shaft 8, the traveling driving device is connected with the traveling transmission device 5, and the traveling transmission device 5 is connected with the traveling driving wheel driving shaft 8, the two ends of the walking wheel driving shaft 8 are connected with the walking driving wheels 6, the walking driving wheels 6 are arranged on the outer side of the frame 9, and the walking supporting wheels 7 are rotatably connected with the frame 9.
This embodiment stirring actuating mechanism 1 includes agitator motor and first speed reducer, agitator motor's output links to each other with the input of first speed reducer, the output of first speed reducer links to each other with stirring transmission. The walking driving device comprises a walking motor 4 and a second speed reducer, wherein the output end of the walking motor 4 is connected with the input end of the second speed reducer, and the output end of the second speed reducer is connected with the walking transmission device 5. The one end of 12 spindle tubes of arbor is provided with spindle nose 10, and the other end is provided with spline housing 11, spindle nose 10 rotates with frame 9 to be connected, spline housing 11 links to each other with stirring transmission. The tool magazine 14 is arranged on the tool shaft tube 12, and the stirring blades 13 are fixedly connected in the tool magazine 14. And the walking driving wheel 6 and the walking supporting wheel 7 are connected with the guide rail 15.
A treatment method for treating excrement in a pigsty comprises the following steps:
the method comprises the following steps: digging a tunnel with the length of 1.4-1.8 meters at the bottom of a pigsty 19, building the tunnel by red bricks and performing waterproof treatment, and performing press polishing by using a cement cover, wherein the built tunnel is used as a fermentation fungus bed 18 of excrement;
step two: two tracks 16 are laid on two sides of a fermentation fungus bed 18, a guide rail 15 with a power line is arranged above the two tracks 16, a fungus bed processing vehicle is arranged on the guide rail 15, a dung leaking floor 17 is laid above the fermentation fungus bed 18, and live pigs are raised in a captive manner above the dung leaking floor 17;
step three: crushing straws of crops by a crusher, mixing and stirring the crushed straws and the excrement fermentation probiotics, and uniformly paving the mixed and stirred straws at the bottom of a fermentation bacterial bed 18 by a bacterial bed treatment vehicle to form a fermentation layer 20;
step four: feces produced by the live pigs fall onto the fermentation layer 20 at the bottom of the fermentation bacteria bed 18 through the pores on the feces leaking floor 17, and the fermentation layer 20 is stirred back and forth by the bacteria bed treatment vehicle every 3 to 4 days, wherein the stirring back and forth is not less than 3 times for each time;
step five: the fermentation layer 20 is fermented to form organic fertilizer, and the fermented organic fertilizer is discharged out of the fermentation bacterial bed 18 through the bacterial bed treatment vehicle every half year.
In the implementation method, the initial end of the track 16 is provided with a power supply with the voltage of 220V, and the two tracks 16 are arranged in parallel, and have the bearing weight not less than 500Kg and need to be firm and durable. The length of the crushed straws of the crops is not more than 50mm, the distance between the stirring blades 13 of the fungus bed processing vehicle and the ground of the fermentation fungus bed 18 is 50mm, and the thickness of the fermentation layer 20 is 600 mm. And a dung baffle plate is arranged above the track 16, is made of metal and is fixed on two sides of the fermentation bacterium bed 18, the gradient of the dung baffle plate is 45 degrees, and the width of the dung baffle plate is 200 mm. The same length as the rail 16 prevents the waste from corroding the rail. The cleared organic fertilizer can be sold in a concentrated mode or used as a base fertilizer for producing standard organic fertilizers for later use, after the organic fertilizer is cleared, a mixture of newly prepared crop straws and probiotics is paved to the bottom of the fermentation bacterial bed 18 again through a bacterial bed treatment vehicle, and then the mixture can be put into use again.
The fungus bed processing vehicle for processing the excrement in the pigsty provided by the utility model is introduced in detail, and the principle and the implementation mode of the utility model are explained by applying specific examples, and the explanation of the above examples is only used for helping to understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.

Claims (6)

1. The utility model provides a fungus bed processing vehicle for fecal treatment in pig house which characterized in that: it comprises a stirring driving mechanism (1), a transmission mechanism (2), a stirring mechanism (3), a walking mechanism and a frame (9), wherein the stirring driving mechanism (1) and the transmission mechanism (2) are both arranged on the frame (9), the stirring mechanism (3) comprises a cutter shaft tube (12) and stirring blades (13), the stirring blades (13) are arranged along the circumferential direction of the cutter shaft tube (12), the transmission mechanism (2) comprises a stirring transmission device and a walking transmission device (5), the stirring driving mechanism (1) is connected with the stirring transmission device, the stirring transmission device is connected with the cutter shaft tube (12), the walking mechanism comprises a walking driving device, a walking driving wheel (6), a walking supporting wheel (7) and a walking wheel driving shaft (8), the walking driving device is connected with the walking transmission device (5), the walking transmission device (5) is connected with the walking wheel driving shaft (8), the walking wheel is characterized in that two ends of the walking wheel driving shaft (8) are connected with the walking driving wheels (6), the walking driving wheels (6) are arranged on the outer side of the frame (9), and the walking supporting wheels (7) are rotatably connected with the frame (9).
2. A fungal bed treatment vehicle for fecal treatment in a pig house according to claim 1, characterized in that: the stirring driving mechanism (1) comprises a stirring motor and a first speed reducer, the output end of the stirring motor is connected with the input end of the first speed reducer, and the output end of the first speed reducer is connected with a stirring transmission device.
3. A fungal bed treatment vehicle for fecal treatment in a pig house according to claim 1, characterized in that: the walking driving device comprises a walking motor (4) and a second speed reducer, wherein the output end of the walking motor (4) is connected with the input end of the second speed reducer, and the output end of the second speed reducer is connected with the walking transmission device (5).
4. A fungal bed treatment vehicle for fecal treatment in a pig house according to claim 1, characterized in that: one end of the cutter shaft tube (12) is provided with a shaft head (10), the other end of the cutter shaft tube is provided with a spline sleeve (11), the shaft head (10) is rotatably connected with the frame (9), and the spline sleeve (11) is connected with a stirring transmission device.
5. A fungal bed treatment vehicle for fecal treatment in a pig house according to claim 1, characterized in that: the cutter shaft tube (12) is provided with a cutter magazine (14), and the stirring blades (13) are fixedly connected in the cutter magazine (14).
6. A fungal bed treatment vehicle for fecal treatment in a pig house according to claim 1, characterized in that: and the walking driving wheel (6) and the walking supporting wheel (7) are connected with the guide rail (15).
CN201922023459.4U 2019-11-21 2019-11-21 A fungus bed treatment vehicle for fecal treatment in pig house Expired - Fee Related CN211129323U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922023459.4U CN211129323U (en) 2019-11-21 2019-11-21 A fungus bed treatment vehicle for fecal treatment in pig house

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922023459.4U CN211129323U (en) 2019-11-21 2019-11-21 A fungus bed treatment vehicle for fecal treatment in pig house

Publications (1)

Publication Number Publication Date
CN211129323U true CN211129323U (en) 2020-07-31

Family

ID=71776956

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922023459.4U Expired - Fee Related CN211129323U (en) 2019-11-21 2019-11-21 A fungus bed treatment vehicle for fecal treatment in pig house

Country Status (1)

Country Link
CN (1) CN211129323U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110741943A (en) * 2019-11-21 2020-02-04 黑龙江雄微生物科技有限公司 Fungus bed treatment vehicle and treatment method for treating excrement in pigsty

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110741943A (en) * 2019-11-21 2020-02-04 黑龙江雄微生物科技有限公司 Fungus bed treatment vehicle and treatment method for treating excrement in pigsty

Similar Documents

Publication Publication Date Title
CN105859078B (en) Dystopy fermentation bed livestock and poultry cultivation treatment for cow manure system and its application
CN106824972B (en) Comprehensive treatment system and method for breeding pollution of large-scale pig farm
CN102030570B (en) Self-propelled turning device for sludge compost and treatment method
CN103265154B (en) Resource utilization and comprehensive treatment process for sewage and manure generated during cultivation
CN108605863B (en) Ecological comprehensive utilization system for livestock breeding manure
CN101709004A (en) Method for comprehensively treating livestock waste and utilizing resource
CN105418171A (en) Method and device for preparing phosphorus-rich biofertilizer
CN104016557A (en) Governance method for realizing resource utilization and zero pollution emission of piggery wastes
CN102531724A (en) Solid waste composting fermentation tank
Parihar et al. Livestock waste management: A review
CN107698119A (en) A kind of administering method for realizing the discharge of piggery waste recycling no pollution
CN104798724A (en) Ecological pig breeding method and special hog house
CN103664259B (en) Method for fermentation production of bio-organic fertilizer by using duck manure
CN101849510A (en) Method for ecologically raising pigs by using biological fermentation bed
CN105104742A (en) Method for integrated utilization of agricultural waste resources
CN111116246A (en) Stirring device for livestock and poultry manure aerobic fermentation tank
CN103739328B (en) The aerobic compost method of sulfa antibiotics in a kind of efficient degradation feces of livestock and poultry
CN108440026A (en) A kind of Animal fecal pollution fermentation process system and the fermentation process based on the system
CN211129323U (en) A fungus bed treatment vehicle for fecal treatment in pig house
CN107473785A (en) A kind of Chicken Manure Compost fermentation processing method
WO1994003411A1 (en) Liquid livestock waste treating method
CN211847722U (en) Stirring device for livestock and poultry manure aerobic fermentation tank
CN109111061A (en) Livestock breeding wastewater circulation recycling system and method
CN105645698A (en) High-concentration organic wastewater purifying system and technical process
CN107021806A (en) A kind of method for innocent treatment of pig manure

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200731

Termination date: 20211121