CN210215118U - Device of scale pig farm pig manure integrated processing - Google Patents
Device of scale pig farm pig manure integrated processing Download PDFInfo
- Publication number
- CN210215118U CN210215118U CN201920838061.3U CN201920838061U CN210215118U CN 210215118 U CN210215118 U CN 210215118U CN 201920838061 U CN201920838061 U CN 201920838061U CN 210215118 U CN210215118 U CN 210215118U
- Authority
- CN
- China
- Prior art keywords
- anaerobic
- manure
- fermentation
- water tank
- pig
- 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.)
- Active
Links
Images
Classifications
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
Landscapes
- Treatment Of Sludge (AREA)
Abstract
The utility model discloses a device of scale pig farm pig manure integrated processing, include: the fermentation tower is provided with a feeding port, a discharging port, a methane outlet, an odor outlet and a methane liquid outlet, a circulating spraying system is arranged in the fermentation tower, the fermentation tower is also provided with a stirring system, one end of the screw conveyor is connected with a septic tank, the discharging port of the screw conveyor is connected with the feeding port of the fermentation tower, the circulating spraying system is connected with the water tank, the odor outlet is connected with the biological filter, the methane outlet is connected with the gas storage cabinet, the methane liquid outlet is connected with the water tank, the water tank is connected with an anaerobic fermentation reactor, and the anaerobic fermentation reactor is connected with the gas storage cabinet; the utility model has the advantages that: good treatment effect, simple process condition, no secondary pollution and high economic benefit.
Description
Technical Field
The utility model relates to a livestock and poultry waste comprehensive treatment and resource utilization related technical field, in particular to device for comprehensive treatment of pig manure in a large-scale pig farm.
Background
The large-scale and intensive development of the live pig breeding industry leads to the generation of a large amount of pig manure, the pig manure is a valuable resource, the pig manure is subjected to resource treatment and is used as anaerobic fermentation to generate methane or is converted into organic fertilizer, and the treatment and the disposal aim is to realize reduction, harmlessness and resource utilization. At present, common treatment technologies of pig manure include anaerobic fermentation technology and composting technology.
The following problems exist in the operation process of the pig manure anaerobic fermentation: the organic load of the methane tank is higher, which causes the methane output to be lower; the solid matter of the pig manure can generate sediment or scum crusting in the methane tank, which influences the normal operation of the methane tank; a large amount of biogas slurry is generated and needs to be subsequently treated, so that the treatment cost is increased. The pig manure aerobic composting has the defects of large occupied area, long fermentation time, complex process and certain pollution to the surrounding atmospheric environment.
SUMMERY OF THE UTILITY MODEL
In order to overcome the technical defect, the utility model aims to provide a device for comprehensively treating pig manure in a large-scale pig farm, which aims to solve the problems.
According to the utility model discloses an aspect provides a device of scale pig farm pig manure integrated processing, include: screw conveyer, fermentation tower, water tank, gas storage holder, biological filter and anaerobic fermentation reactor are provided with the pan feeding mouth on this fermentation tower, and discharge gate, marsh gas export, foul smell export and natural pond liquid export, the inside circulation spraying system that is provided with of fermentation tower, fermentation tower still are provided with mixing system, and this mixing system includes: the first motor of setting at the fermentation tower top, with the (mixing) shaft of first motor output shaft and extending to the fermentation tower inside, be provided with screw blade formula stirring vane on this (mixing) shaft, the inside cavity of (mixing) shaft, and evenly be provided with a plurality of cloth gas pockets, the (mixing) shaft bottom is connected with the fan through the connecting pipe, this screw conveyer one end is connected with the manure collecting tank, the screw conveyer discharge gate is connected with fermentation tower pan feeding mouth, this circulation spraying system is connected with the water tank, this foul smell export is connected with the biological filter, this marsh gas export is connected with the gas holder, this natural pond liquid export is connected with the water tank, this water tank is connected with anaerobic fermentation reactor, this anaerobic fermentation reactor is connected with the gas holder.
In some embodiments, in order to control the discharge of different gases into different devices, the biogas outlet and the odor outlet are provided with control valves.
In some embodiments, an anaerobic agitation system is disposed on the anaerobic fermentation reactor, the anaerobic agitation system comprising: the second motor is arranged at the top of the anaerobic fermentation reactor, the stirring device is connected with an output shaft of the second motor and extends to the inside of the anaerobic fermentation reactor, the stirring device stirs for 1 to 2 hours every day, the stirring speed is 180r/min, and the retention time of biogas slurry and percolate in the anaerobic fermentation reactor is 5 days.
In some embodiments, the anaerobic fermentation reactor is a CSTR anaerobic reactor.
In some embodiments, the biological filter is connected with a circulating water tank for better purifying the odor.
In some embodiments, perlite, ceramic particles and slag are used as the biological filter internal filler for purifying odor.
In some embodiments, the anaerobic fermentation reactor is connected with an oxidation pond, floating island plants such as water lily, water hyacinth, watermifoil and the like are planted in the oxidation pond, and a floating fountain aerator is configured.
According to an aspect of the utility model, a method for the comprehensive treatment of pig manure in a large-scale pig farm is provided, which comprises the following steps:
s1, collecting pig manure in a pigsty by using a mechanical manure scraping facility, and conveying the pig manure into a manure collecting tank;
s2, adding the pig manure in the manure collecting tank into a fermentation tower through a screw conveyor, firstly carrying out anaerobic dry fermentation on the pig manure to produce biogas, and then carrying out aerobic composting;
s3, introducing biogas generated in the process of anaerobic dry fermentation of pig manure in a fermentation tower into a gas storage cabinet for storage, introducing odor generated in the process of aerobic composting into a biological filter for treatment, discharging the odor after the odor reaches the standard, conveying the generated organic fertilizer to a curing workshop for curing, and introducing the generated biogas slurry and leachate into an anaerobic fermentation reactor through a pump to generate biogas;
s4, purifying the biogas obtained in S2 and S3, and using the purified biogas for power generation for pig farm production or daily life of pig farm staff, curing the generated organic fertilizer in a curing workshop and returning the organic fertilizer to the field, discharging the generated biogas slurry into an oxidation pond, treating the biogas slurry in the oxidation pond, and using the biogas slurry for irrigating crops.
In some embodiments, the pig house is a leaky or semi-leaky floor, a first-stage dung ditch is longitudinally arranged below the floor, a second-stage dung ditch communicated with the first-stage dung ditch is transversely arranged outside the pig house, the mechanical dung scraping facility is a V-shaped dung scraping plate mechanism driven by electric power, the V-shaped dung scraping plate mechanism is arranged in the first-stage dung ditch, a flat dung scraping plate mechanism is arranged in the second-stage dung ditch, the V-shaped dung scraping plate mechanism conveys pig dung from the first-stage dung ditch to the second-stage dung ditch, and the flat dung scraping plate mechanism conveys the pig dung in the second-stage dung ditch into a dung collecting tank.
In some embodiments, the bottom of the primary manure pit is V-shaped, and the slopes of both slopes are 10 °.
Compared with the prior art, the utility model has the advantages of as follows and beneficial effect:
(1) the method effectively solves the problems of low gas yield, easy blockage and the like of the conventional pig manure anaerobic dry fermentation, comprehensively utilizes anaerobic and aerobic processes to reduce, recycle and harmlessly treat the pig manure, and has the advantages of good treatment effect, simple process conditions and the like.
(2) The utility model discloses a excrement is scraped to machinery + screw conveyer collects and transports pig manure, has not only reduced waste water volume and the foul smell that the pig farm produced at the clear excrement in-process, has reduced subsequent treatment pressure, has improved pig farm degree of mechanization moreover, has reduced intensity of labour and cost of labor.
(3) The utility model discloses the fermentation tower of using can adopt anaerobic fermentation mode, good oxygen compost mode, anaerobic fermentation + good oxygen compost mode to handle pig manure in a flexible way, has not only reduced area and the investment cost of two kinds of processing modes, can comprehensive treatment pig manure moreover, improves ecological benefits and economic benefits.
(4) The utility model can produce marsh gas by the anaerobic dry fermentation of pig manure through the fermentation tower and produce marsh gas by the anaerobic fermentation of biogas slurry through the CSTR anaerobic reactor, thereby recycling energy; organic fertilizer produced by aerobic composting and biogas slurry treated by an oxidation pond are returned to the field, so that nutrient substances can be recovered, pig manure is fully recycled, and the risk of secondary pollution is reduced.
Drawings
FIG. 1 is a schematic view of a connection structure of a device for comprehensive treatment of pig manure in a large-scale pig farm according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart of a method for comprehensive treatment of pig manure in a large-scale pig farm according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention will be further described in detail with reference to the accompanying drawings.
As shown in figure 1, the utility model provides a pair of device of scale pig farm pig manure integrated processing, include: screw conveyer 5, fermentation tower 6, water tank 7, gas holder 8, biological filter 10 and anaerobic fermentation reactor 9 are provided with pan feeding mouth 63 on this fermentation tower 6, discharge gate 64, marsh gas outlet 67, foul smell export 66 and natural pond liquid export 65, and fermentation tower 6 is inside to be provided with circulation spray system 62, and fermentation tower 6 still is provided with mixing system 61, and this mixing system 61 includes: a first motor 68 arranged at the top of the fermentation tower 6, a stirring shaft 69 connected with the output shaft of the first motor 68, a propeller blade type stirring blade 691 arranged on the stirring shaft 69, the stirring shaft 69 is hollow and is evenly provided with a plurality of air distribution holes, the bottom of the stirring shaft 69 is connected with a fan 13 through a connecting pipe, one end of the screw conveyer 5 is connected with a septic tank 4, the discharge hole of the screw conveyer 5 is connected with a feeding hole 63 of the fermentation tower 6, the circulating spraying system 62 is connected with a water tank 7, the odor outlet 66 is connected with a biological filter 10, the biological filter 10 is connected with a circulating water tank 11, a biogas outlet 67 is connected with a gas storage cabinet 8, a biogas fluid outlet 65 is connected with the water tank 7, the water tank 7 is connected with an anaerobic fermentation reactor 9, the anaerobic fermentation reactor 9 is connected with the gas storage cabinet 8, the anaerobic fermentation reactor 9 is also connected with an oxidation pond 12, and a pygmy is, Floating island plants such as water hyacinth, watermifoil and the like are arranged, and a floating fountain aerator is also arranged.
In some embodiments, the biogas outlet 67 and the odor outlet 66 are provided with control valves.
In some embodiments, the anaerobic fermentation reactor 9 is provided with an anaerobic stirring system 91, and the anaerobic stirring system 91 comprises: the second motor 92 is arranged at the top of the anaerobic fermentation reactor 9, the stirring device 93 is connected with an output shaft of the second motor 92 and extends into the anaerobic fermentation reactor 9, the stirring device 93 is used for stirring for 1 to 2 hours every day, the stirring speed is 180r/min, and the retention time of biogas slurry and percolate in the anaerobic fermentation reactor 9 is 5 days.
In some embodiments, the anaerobic fermentation reactor 9 is a CSTR anaerobic reactor.
In some embodiments, perlite, ceramic aggregate and slag are used as the filler in the biofilter 10.
As shown in figure 2, the utility model provides an embodiment of a scale pig farm pig manure comprehensive treatment method, including the following steps:
s1, collecting pig manure in a pigsty 1 by using a mechanical manure scraping facility, and conveying the pig manure to a manure collecting tank 4;
s2, adding the pig manure in the manure collecting tank 4 into a fermentation tower 6 through a screw conveyor 5, firstly carrying out anaerobic dry fermentation on the pig manure to produce methane, and then carrying out aerobic composting;
s3, introducing biogas generated in the process of anaerobic dry fermentation of pig manure in the fermentation tower 6 into a gas storage cabinet 8 for storage, introducing odor generated in the process of aerobic composting into a biological filter 10 for treatment, discharging after the treatment reaches the standard, conveying the generated organic fertilizer to a curing workshop for curing, and introducing the generated biogas slurry and leachate into an anaerobic fermentation reactor 9 through a pump to generate biogas;
s4, purifying the biogas obtained in S2 and S3, and then using the biogas for power generation for pig farm production or daily life of pig farm staff, aging the generated organic fertilizer and returning the organic fertilizer to the field, discharging the generated biogas slurry into the oxidation pond 12, treating the biogas slurry by the oxidation pond 12, and then using the biogas slurry for irrigating crops.
In some embodiments, the pigsty 1 adopts a leaky or semi-leaky floor, a primary manure pit is longitudinally arranged below the floor, a secondary manure pit communicated with the primary manure pit is transversely arranged outside the pigsty, the mechanical manure scraping facility is a V-shaped manure scraping plate mechanism 2 driven by electricity, the V-shaped manure scraping plate mechanism 2 is arranged in the primary manure pit, a flat manure scraping plate mechanism 3 is arranged in the secondary manure pit, the V-shaped manure scraping plate mechanism 2 conveys the pig manure from the primary manure pit to the secondary manure pit, and the flat manure scraping plate mechanism 3 conveys the pig manure in the secondary manure pit into the manure collecting pit 4.
In some embodiments, the bottom of the primary manure pit is V-shaped, and the slopes of the two slopes are 10 degrees.
The utility model provides a pair of embodiment's a concrete process of scale pig farm pig manure integrated processing: pig manure in a pig house 1 enters a first-stage manure ditch after passing through a floor crack, the V-shaped manure scraping plate mechanism 2 conveys the pig manure from the first-stage manure ditch to a second-stage manure ditch, and the flat manure scraping plate mechanism 3 conveys the pig manure in the second-stage manure ditch to a manure collecting tank 4.
The screw conveyor 5 conveys the pig manure in the manure collecting tank 4 to the fermentation tower 6 for anaerobic dry fermentation treatment, after the pig manure enters the fermentation tower 6, the odor outlet 66 control valve is closed, the biogas outlet 67 control valve is opened, the circulating spraying system 62 is started to extract biogas slurry in the water tank 7 for anaerobic bacteria inoculation, meanwhile, the stirring system 61 on the fermentation tower 6 is started to stir the pig manure, so that the biogas slurry is uniformly contacted with the pig manure, and the generated biogas enters the gas storage cabinet 8 through the biogas outlet 67; the circulating spraying system 62 and the stirring system 61 continuously operate for 10-15 days, the fermentation tower 6 stops producing biogas, at the moment, the anaerobic dry fermentation stage is finished, and the biogas slurry in the water tank 7 is lifted to the anaerobic fermentation reactor 9 through a pump.
After the anaerobic dry fermentation of the pig manure is finished, closing a control valve of a biogas outlet 67, opening a control valve of an odor outlet 66, and starting a fan 13 and a stirring system 61 to perform forced ventilation aerobic composting; adding cultured aerobic bacteria liquid into a water tank 7, starting a circulating spray system 62 for inoculation, uniformly aerating air conveyed by a fan 13 through air distribution holes on a stirring shaft 69, allowing odor to enter a biological filter 10 from an odor outlet 66 and be treated by a circulating water tank 11, allowing the odor to enter an exhaust channel above the biological filter 10 from the circulating water tank 11 after reaching the standard after treatment, allowing the fan 13, a stirring system 61 and the circulating spray system 62 to operate for 10-12 days, finishing an aerobic composting stage, converting pig manure into organic fertilizer, discharging the organic fertilizer from a discharge hole 64 of a fermentation tower 6, conveying the organic fertilizer to a curing workshop for curing and returning to the field, allowing percolate generated in the composting process to enter the water tank 7 for collection, and lifting the percolate into an anaerobic fermentation reactor 9 through a pump.
The anaerobic fermentation reactor 9 carries out secondary anaerobic fermentation treatment on biogas slurry and leachate, wherein a stirring device 93 is used for stirring for 1 to 2 hours every day, the stirring speed is 180r/min, the secondary anaerobic fermentation treatment time is 5 days, the generated biogas enters a gas storage cabinet 8, the biogas of the gas storage cabinet 8 is used for generating power for production and use of a pig farm or for daily life of personnel in the pig farm after dehydration and desulfurization treatment, the generated biogas slurry enters an oxidation pond 12 for treatment, floating island plants such as water lily, water hyacinth, watermifoil are planted in the oxidation pond 12, a floating fountain aerator is configured, and the biogas slurry is used for irrigating crops after staying for 5 to 10 days.
In conclusion, the device for comprehensively treating the pig manure in the large-scale pig farm has the advantages of good treatment effect, simple process conditions, small occupied area, no secondary pollution and the like, has good ecological and economic benefits, and is suitable for the vast large-scale pig farm.
The above description is only some embodiments of the present invention, and for those skilled in the art, a plurality of modifications and improvements can be made without departing from the inventive concept, and these modifications and improvements all belong to the protection scope of the present invention.
Claims (7)
1. The utility model provides a device of scale pig farm pig manure integrated processing which characterized in that includes: screw conveyer, fermentation tower, water tank, gas holder, biological filter and anaerobic fermentation reactor, be provided with the pan feeding mouth on the fermentation tower, discharge gate, marsh gas export, foul smell export and natural pond liquid export, the inside circulation spray system that is provided with of fermentation tower, the fermentation tower still is provided with mixing system, mixing system include: the setting is in the first motor at fermentation tower top is connected with first motor output shaft and extends to the inside (mixing) shaft of fermentation tower, be provided with propeller blade formula stirring vane on the (mixing) shaft, the inside cavity of (mixing) shaft, and evenly be provided with a plurality of gas distribution holes, the (mixing) shaft bottom be connected with the fan through the connecting pipe, screw conveyer one end is connected with the manure collecting tank, the screw conveyer discharge gate with fermentation tower pan feeding mouth is connected, circulation sprinkler system with the water tank connect, the foul smell export with the biological filter connect, marsh gas export with the gas holder connect, the marsh gas export with the water tank connect, the water tank with anaerobic fermentation reactor connect, anaerobic fermentation reactor with the gas holder connect.
2. The device for the comprehensive treatment of the pig manure in the scale pig farm according to claim 1, wherein the biogas outlet and the odor outlet are provided with control valves.
3. The device of claim 1, wherein the anaerobic fermentation reactor is provided with an anaerobic stirring system, the anaerobic stirring system comprises: the second motor is arranged at the top of the anaerobic fermentation reactor, and the stirring device is connected with the output shaft of the second motor and extends to the interior of the anaerobic fermentation reactor.
4. The apparatus of claim 1 or 3, wherein the anaerobic fermentation reactor is a CSTR anaerobic reactor.
5. The device for the comprehensive treatment of the pig manure in the large-scale pig farm according to claim 1, wherein the biological filter is connected with a circulating water tank.
6. A device for the comprehensive treatment of pig manure in a large-scale pig farm according to claim 1 or 5, characterized in that perlite, ceramsite and slag are used as the filler in the biological filter.
7. The device for the comprehensive treatment of pig manure in a large-scale pig farm according to claim 4, characterized in that the anaerobic fermentation reactor is connected with an oxidation pond, and water lily, water hyacinth and watermifoil are planted in the oxidation pond and are provided with a floating fountain aerator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920838061.3U CN210215118U (en) | 2019-06-04 | 2019-06-04 | Device of scale pig farm pig manure integrated processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920838061.3U CN210215118U (en) | 2019-06-04 | 2019-06-04 | Device of scale pig farm pig manure integrated processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210215118U true CN210215118U (en) | 2020-03-31 |
Family
ID=69929822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920838061.3U Active CN210215118U (en) | 2019-06-04 | 2019-06-04 | Device of scale pig farm pig manure integrated processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210215118U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110127970A (en) * | 2019-06-04 | 2019-08-16 | 广东广垦畜牧工程研究院有限公司 | A kind of method and processing unit of the integrated treatment of large-scale pig farm pig manure |
| CN113412814A (en) * | 2021-07-19 | 2021-09-21 | 重庆海林生猪发展有限公司 | Ecological pig raising system |
-
2019
- 2019-06-04 CN CN201920838061.3U patent/CN210215118U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110127970A (en) * | 2019-06-04 | 2019-08-16 | 广东广垦畜牧工程研究院有限公司 | A kind of method and processing unit of the integrated treatment of large-scale pig farm pig manure |
| CN113412814A (en) * | 2021-07-19 | 2021-09-21 | 重庆海林生猪发展有限公司 | Ecological pig raising system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106116736B (en) | System and method for treating feces and urine of livestock and poultry and placenta of livestock and poultry died of diseases in large-scale farm | |
| CN101358209B (en) | Technique for preparing biogas by high-temperature anaerobic zymosis method using animal manure as raw material | |
| CN201538737U (en) | Integrated livestock culturing farm feces biological treatment system | |
| US9163207B2 (en) | Anaerobic treatment system and device | |
| CN110127970A (en) | A kind of method and processing unit of the integrated treatment of large-scale pig farm pig manure | |
| CN107282601B (en) | Buried house refuse is reduced resource integrated device and its processing method | |
| CN110079448A (en) | A kind of stalk and waste three-stage common fermentation prepare the method and device thereof of biogas | |
| CN102531724A (en) | Solid waste composting fermentation tank | |
| CN210215118U (en) | Device of scale pig farm pig manure integrated processing | |
| CN108793587A (en) | A kind of immediate processing method of pig farm urine bubble excrement waste liquid | |
| CN102976809B (en) | Planetary type full-automatic sludge aerobic fermentation device and system | |
| CN106915867B (en) | Culture wastewater biochemical treatment system and preparation method and application of treatment by-product thereof | |
| CN110877953A (en) | Reaction system for sludge resource utilization | |
| CN208338572U (en) | A kind of pig raising pollution control system | |
| CN107585958A (en) | Cultivating wastewater purification EGR | |
| CN208234802U (en) | A kind of air-flow auxiliary hybrid composting device | |
| CN203855490U (en) | Farming wastewater integrated treatment equipment | |
| CN205821125U (en) | A kind of miniature aquaculture wastewater processing equipment | |
| CN211946744U (en) | Reaction system for sludge resource utilization | |
| CN207811522U (en) | A kind of scale pig-breeding field waste zero-emission utilization system | |
| CN107759017B (en) | Excrement treatment process | |
| CN207596688U (en) | A kind of economic, efficiently, environmentally friendly waste processing equipment for recycling | |
| CN221235475U (en) | Liquid fertilizer micromanipulation culture device for fecal sewage | |
| CN214244406U (en) | Integrated gas fertilizer co-production device for methane tank | |
| CN103861861A (en) | Organic solid waste fermentation equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |