CN104098236B - Large-scale penkeeping field sewage treatment process - Google Patents
Large-scale penkeeping field sewage treatment process Download PDFInfo
- Publication number
- CN104098236B CN104098236B CN201410379166.9A CN201410379166A CN104098236B CN 104098236 B CN104098236 B CN 104098236B CN 201410379166 A CN201410379166 A CN 201410379166A CN 104098236 B CN104098236 B CN 104098236B
- Authority
- CN
- China
- Prior art keywords
- sewage
- pond
- water
- grades
- sent
- 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
Links
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
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
- Y02A20/208—Off-grid powered water treatment
- Y02A20/212—Solar-powered wastewater sewage treatment, e.g. spray evaporation
-
- 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
- Y02A40/70—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in livestock or poultry
-
- 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
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
Landscapes
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The present invention relates to a kind of large-scale penkeeping field sewage treatment technique, comprising step has: sewage is entered three grades of settling bowls; Three grades of settling bowls carry out three grades of sedimentations to sewage; After pump well tackles solid particulate matter and floating matter, sewage is sent in solid-liquid screen-dividing machine and carry out solid-liquid separation; Sunlight intensification is carried out to sewage in sunlight shed pond, aeration; Equalizing tank carries out regulating water quality, the even water yield to sewage; Larger molecular organics in sewage is degraded to small organic molecule by UASB reactor; By deflector anaerobic pond, sewage is further degraded; By aerobic aeration pond, aeration is carried out to sewage; Mud-water separation is carried out by settling tank; By folded Water oxidize pond, bio-contact oxidation is carried out to sewage; By the plant oxidation pool, sewage is purified further.Application of the present invention decreases pathophoresis, protection of the environment, saves water source, fertilizer replacing fertilizer, is conducive to improveing soil.
Description
Technical field
The invention belongs to heavy livestock breeding technology field, especially a kind of large-scale penkeeping field sewage treatment technique.
Background technology
The bearing capacity of current China agricultural resource and environment is very limited, developing agricultural and rural economy, can not to consume agricultural resource, sacrifice agricultural environment for cost.Animal husbandry development and plant production development link by Natural compost also field reuse, facilitate the Agricultural recycling economy basic model of material efficient circulation.Sewage is field also, can effectively save the Important Agricultural resources of production such as water, fertilizer, medicine, and reducing environmental pollution, is the effective way setting up conservation-minded society.
In recent years, along with the development of national economy, environment protection receives publicity and attention day by day.For a long time, the environmental pollution that Stock raising waste brings, becomes the serious restraining factors of its development, also becomes the serious threat of Ecological Environment.How to guide as early as possible and to set up the harmless treatment pattern cultivating place, becoming current cultivation industry and develop the problem that must solve.In addition, along with the raising of socioeconomic fast development and living standards of the people, especially the Living Water of our people is straight and even is changed by " simply having adequate food and clothing " to " fairly well-off ", and the requirement of the people to eco-environmental quality is also more and more higher.Therefore, the control of environmental pollution is actively developed very necessary with control.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of large-scale penkeeping field sewage treatment technique is provided.
The present invention solves its technical problem and takes following technical scheme to realize:
A kind of large-scale penkeeping field sewage treatment technique, comprises step as follows:
(1) movement in the field on pig farm is divided into ight soil and sewage two portions, the ight soil of collection is directly sent to heap excrement canopy, wash away rear sewage and urine enters three grades of settling bowls;
(2) utilize three grades of settling bowls to carry out three grades of sedimentations to entering sewage, the sewage through three grades of sedimentations enters pump well;
(3) pump well interception solid particulate matter and floating matter, then utilize lift pump to be sent in solid-liquid screen-dividing machine by sewage and carry out solid-liquid separation, and heap excrement canopy delivered to by isolated solid, and liquid sewage sends into sunlight shed pond;
(4) sewage sent in sunlight shed pond carries out solar heating, sludge settling, then utilizes lift pump that the sewage in sunlight shed pond is sent into equalizing tank;
(5) stirrer is set in equalizing tank, regulating water quality, the even water yield is carried out to the sewage sent into, then by sewage pump, sewage is sent into UASB reactor;
(6) larger molecular organics in feeding sewage is degraded to small organic molecule by UASB reactor, simultaneously, UASB reactor produces biogas, first the biogas produced be stored in the gas storage holder above UASB reactor, then by sending into biogas pot after marsh gas purifying in order to application, the sewage being degraded to small organic molecule sends into deflector anaerobic pond;
(7) further degraded to the organism in sewage by the active sludge in deflector anaerobic pond, the sewage after degraded is transported to aerobic aeration pond by water pump;
(8) carry out aeration by aerobic aeration pond to input sewage, aerobic aeration is equipped with aeration tube in pond, and gas blower is for accelerating air circulation, and promote aeration speed, the sewage after aeration sends into settling tank by water pump;
(9) strengthened the dissolved oxygen amount of sewage by settling tank, and carry out mud-water separation, store excess sludge, then utilize water pump that sewage is sent into folded Water oxidize pond;
(10) by folded Water oxidize pond, bio-contact oxidation is carried out to input sewage, described folded Water oxidize pond is the long ladder structure that Steel Concrete is built, the upper end width of trapezoid cross section is 2 times of lower end width, the length of both sides side slope is 2.5-3.0 times of trapezoidal height, the water filling diversion trench isometric with long ladder structure pond is shaped with in the both sides in long ladder structure pond, in diversion trench, place honeycomb filler, inject sewage and flow in long ladder structure pond by the posticum of diversion trench sidewall bottom;
(11) sewage transport sent by folded Water oxidize pond, to the plant oxidation pool, is purified sewage further by waterplant, the water surface on the described plant oxidation pool is provided with biologic float bed, and cultivation has the waterplant purified water on biologic float bed;
(12) water after the purifying treatment of the plant oxidation pool is directly used in field irrigation.
And three grades of settling bowls in described step (2) adopt the full ground under type of Steel Concrete to build, and three grades of settling bowls realize anaerobic mud bed treating processes to sewage.
And the aperture arranging grid in described step (3) is 5mm.
And, sunlight shed pond in described step (4) is semi-underground concrete structure, top is covered with arch diffuser, and there is sunlight shed pond transparent heat insulating canopy in the outer setting in sunlight shed pond, transparent heat insulating ceiling portion is arch light transmissive material, not only ensure normally injecting of sunlight, good insulation effect is played to sunlight shed pond simultaneously.
And in described step (5), gas storage holder is for being arranged on above UASB reactor, the hemispherical gas storage holder be made up of electrostatic prevention plastic glue material.
And the deflector anaerobic pond in described step (7) is the semi-underground rectangular structure that Steel Concrete is built, build in the outside in deflector anaerobic pond the sunlight roof insulating having arch.
And, the plant oxidation pool in described step (11) is two-stage, the waterplant on the first step plant oxidation pool is one or more in Herba Eichhorniae or Herba azollae imbricatae or duckweed, the waterplant on the plant oxidation pool, the second stage is water spinach, while purifying water, also market provides precious organic vegetable;
Advantage of the present invention and positively effect are:
1, the application of present invention process decreases pathophoresis, reduces the M & M of people, animal;
2, the application of present invention process will reduce the discharge of plant's carbonic acid gas, protection of the environment;
3, the application of present invention process will reduce the loss of plant husbandry and water industry;
4, the application of present invention process will make fertilizer replacing fertilizer, reduce the turnover rate of Fertilizer application Middle nutrition thing, be conducive to keeping ecological balance, and be conducive to improveing soil.
Accompanying drawing explanation
Fig. 1 is process flow sheet of the present invention.
Embodiment
Be further described the invention process below in conjunction with accompanying drawing, following examples are descriptive, are not determinate, can not limit protection scope of the present invention with this.
A kind of large-scale penkeeping field sewage treatment technique, as shown in Figure 1, comprises method steps as follows:
(1) movement in the field on pig farm is divided into ight soil and sewage two portions, ight soil cleaning is washing away the preliminary cleaning carried out before facility in field with water, the ight soil of collection is directly sent to heap excrement canopy, carry out water to facility in field after ight soil cleaning to wash away, water washes away rear sewage and urine enters three grades of settling bowls;
(2) three grades of settling bowls carry out three grades of sedimentations to entering sewage; Described three grades of settling bowls adopt the full ground under type of Steel Concrete to build, and three grades of settling bowls realize anaerobic mud bed treating processes to sewage, and the sewage through three grades of sedimentations enters pump well;
(3) pump well interception solid particulate matter and floating matter, then utilize lift pump to be sent in solid-liquid screen-dividing machine by sewage in pump well and carry out solid-liquid separation, heap excrement canopy delivered to by isolated solid, liquid sewage sends into sunlight shed pond, wherein, grid is set in pump well, tackles, remove various solid particulate matter, floating matter, wherein, the aperture of grid is 5mm;
(4) sewage sent in sunlight shed pond carries out solar heating, sludge settling, then utilizes lift pump that the sewage in sunlight shed pond is sent into equalizing tank; Wherein, described sunlight shed pond is semi-underground concrete structure, top is covered with arch diffuser, and there is sunlight shed pond transparent heat insulating canopy in the outer setting in sunlight shed pond, transparent heat insulating ceiling portion is arch light transmissive material, not only can ensure normally injecting of sunlight, meanwhile, good insulation effect be played to sunlight shed pond;
(5) stirrer is set in equalizing tank, regulating water quality, the even water yield are carried out to the sewage sent into, then by sewage pump, sewage is sent into upflow anaerobic sludge blanket reactor (UASB) reactor, for ease of the stirring of stirrer to sewage, described equalizing tank is concrete cylindrical structural;
(6) larger molecular organics in feeding sewage is degraded to small organic molecule by UASB reactor, simultaneously, UASB reactor produces biogas, first the biogas produced be stored in the gas storage holder above UASB reactor, then by sending into biogas pot after marsh gas purifying in order to application, be degraded to small organic molecule sewage send into deflector anaerobic pond, described gas storage holder for being arranged on above UASB reactor, the hemispherical biogas cabinet be made up of electrostatic prevention plastic glue material;
(7) by the active sludge in deflector anaerobic pond, the organism in sewage is further degraded, sewage after degraded is transported to aerobic aeration pond by water pump, described deflector anaerobic pond is the semi-underground rectangular structure that Steel Concrete is built, and builds in the outside in deflector anaerobic pond the sunlight roof insulating having arch;
(8) by aerobic aeration pond, aeration is carried out to input sewage, sewage after aeration sends into settling tank by water pump, and described aerobic aeration pond is the rectangular structure that Steel Concrete is built, and aerobic aeration is equipped with aeration tube in pond, gas blower, for accelerating air circulation, promotes aeration speed;
(9) strengthened the dissolved oxygen amount of sewage by settling tank, and carry out mud-water separation, store excess sludge, then utilize water pump that sewage is sent into folded Water oxidize pond;
(10) by folded Water oxidize pond, bio-contact oxidation is carried out to input sewage, described folded Water oxidize pond is the long ladder structure that Steel Concrete is built, the upper end width of trapezoid cross section is 2 times of lower end width, the length of both sides side slope is 2.5-3.0 times of trapezoidal height, the water filling diversion trench isometric with long ladder structure pond is shaped with in the both sides in long ladder structure pond, in diversion trench, place honeycomb filler, inject sewage and flow in long ladder structure pond by the posticum of diversion trench sidewall bottom;
(11) sewage transport sent by folded Water oxidize pond is to the plant oxidation pool, by waterplant, sewage is purified further, the water surface on the described plant oxidation pool is provided with biologic float bed, cultivation has the waterplant purified water on biologic float bed, the described plant oxidation pool is two-stage, the waterplant on the first step plant oxidation pool is Herba Eichhorniae or Herba azollae imbricatae or duckweed, the waterplant on the plant oxidation pool, the second stage is mater convolvulus, while purifying water, also can be the organic vegetable that market provides precious;
(12) water after the purifying treatment of the plant oxidation pool is directly used in field irrigation.
Claims (7)
1. a large-scale penkeeping field sewage treatment process, is characterized in that comprising step as follows:
(1) movement in the field on pig farm is divided into ight soil and sewage two portions, the ight soil of collection is directly sent to heap excrement canopy, wash away rear sewage and urine enters three grades of settling bowls;
(2) utilize three grades of settling bowls to carry out three grades of sedimentations to entering sewage, the sewage through three grades of sedimentations enters pump well;
(3) pump well interception solid particulate matter and floating matter, then utilize lift pump to be sent in solid-liquid screen-dividing machine by sewage and carry out solid-liquid separation, and heap excrement canopy delivered to by isolated solid, and liquid sewage sends into sunlight shed pond;
(4) sewage sent in sunlight shed pond carries out solar heating, sludge settling, then utilizes lift pump that the sewage in sunlight shed pond is sent into equalizing tank;
(5) stirrer is set in equalizing tank, regulating water quality, the even water yield is carried out to the sewage sent into, then by sewage pump, sewage is sent into UASB reactor;
(6) larger molecular organics in feeding sewage is degraded to small organic molecule by UASB reactor, simultaneously, UASB reactor produces biogas, first the biogas produced be stored in the gas storage holder above UASB reactor, then by sending into biogas pot after marsh gas purifying in order to application, the sewage being degraded to small organic molecule sends into deflector anaerobic pond;
(7) further degraded to the organism in sewage by the active sludge in deflector anaerobic pond, the sewage after degraded is transported to aerobic aeration pond by water pump;
(8) carry out aeration by aerobic aeration pond to input sewage, aerobic aeration is equipped with aeration tube in pond, and gas blower is for accelerating air circulation, and promote aeration speed, the sewage after aeration sends into settling tank by water pump;
(9) strengthened the dissolved oxygen amount of sewage by settling tank, and carry out mud-water separation, store excess sludge, then utilize water pump that sewage is sent into folded Water oxidize pond;
(10) by folded Water oxidize pond, bio-contact oxidation is carried out to input sewage, described folded Water oxidize pond is the long ladder structure that Steel Concrete is built, the upper end width of trapezoid cross section is 2 times of lower end width, the length of both sides side slope is 2.5-3.0 times of trapezoidal height, the water filling diversion trench isometric with long ladder structure pond is shaped with in the both sides in long ladder structure pond, in diversion trench, place honeycomb filler, inject sewage and flow in long ladder structure pond by the posticum of diversion trench sidewall bottom;
(11) sewage transport sent by folded Water oxidize pond, to the plant oxidation pool, is purified sewage further by waterplant, the water surface on the described plant oxidation pool is provided with biologic float bed, and cultivation has the waterplant purified water on biologic float bed;
(12) water after the purifying treatment of the plant oxidation pool is directly used in field irrigation.
2. large-scale penkeeping field according to claim 1 sewage treatment process, it is characterized in that: three grades of settling bowls in described step (2) adopt the full ground under type of Steel Concrete to build, and three grades of settling bowls realize anaerobic mud bed treating processes to sewage.
3. large-scale penkeeping field according to claim 1 sewage treatment process, is characterized in that: the aperture arranging grid in described step (3) is 5mm.
4. large-scale penkeeping field according to claim 1 sewage treatment process, it is characterized in that: the sunlight shed pond in described step (4) is semi-underground concrete structure, top is covered with arch diffuser, and there is sunlight shed pond transparent heat insulating canopy in the outer setting in sunlight shed pond, transparent heat insulating ceiling portion is arch light transmissive material, not only ensure normally injecting of sunlight, good insulation effect is played to sunlight shed pond simultaneously.
5. large-scale penkeeping field according to claim 1 sewage treatment process, is characterized in that: in described step (5), gas storage holder is for being arranged on above UASB reactor, the hemispherical gas storage holder be made up of electrostatic prevention plastic glue material.
6. large-scale penkeeping field according to claim 1 sewage treatment process, it is characterized in that: the deflector anaerobic pond in described step (7) is the semi-underground rectangular structure that Steel Concrete is built, build in the outside in deflector anaerobic pond the sunlight roof insulating having arch.
7. large-scale penkeeping field according to claim 1 sewage treatment process, it is characterized in that: the plant oxidation pool in described step (11) is two-stage, the waterplant on the first step plant oxidation pool is one or more in Herba Eichhorniae or Herba azollae imbricatae or duckweed, the waterplant on the plant oxidation pool, the second stage is water spinach, while purifying water, also for market provides precious organic vegetable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410379166.9A CN104098236B (en) | 2014-08-01 | 2014-08-01 | Large-scale penkeeping field sewage treatment process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410379166.9A CN104098236B (en) | 2014-08-01 | 2014-08-01 | Large-scale penkeeping field sewage treatment process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104098236A CN104098236A (en) | 2014-10-15 |
| CN104098236B true CN104098236B (en) | 2015-09-23 |
Family
ID=51666832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410379166.9A Expired - Fee Related CN104098236B (en) | 2014-08-01 | 2014-08-01 | Large-scale penkeeping field sewage treatment process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104098236B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104310705A (en) * | 2014-10-21 | 2015-01-28 | 农业部环境保护科研监测所 | Comprehensive faces treatment method for community-type dry-manure-collection dairy farm with breeding stock of less than 500 |
| CN104310714B (en) * | 2014-11-03 | 2016-05-04 | 广西龙道环保工程有限责任公司 | A kind of cultivation and system and technique thereof of butchering sewage processed |
| CN105541014B (en) * | 2015-12-29 | 2018-05-25 | 北京中春阳和环保科技有限公司 | A kind of processing method of livestock breeding wastewater |
| CN105645698B (en) * | 2016-03-31 | 2018-05-15 | 上海惠果环境工程有限公司 | High concentrated organic wastewater water cleaning systems and technological process |
| CN106332839A (en) * | 2016-08-26 | 2017-01-18 | 莫晨虹 | Ecological pig breeding method |
| CN106565058A (en) * | 2016-11-03 | 2017-04-19 | 聊城职业技术学院 | Stockyard sewage treatment technology |
| CN107162258B (en) * | 2017-05-25 | 2021-01-08 | 上海林海生态技术股份有限公司 | Equipment linkage control process for solid-liquid two-stage separation of fecal sewage |
| CN107162322A (en) * | 2017-05-25 | 2017-09-15 | 上海林海生态技术股份有限公司 | The equipment linkage control system separated for excrement sewage solid two-stage |
| CN107902732A (en) * | 2017-12-27 | 2018-04-13 | 鼎正动物药业（天津）有限公司 | A kind of livestock booth comprehensive water treatment system |
| CN110204153A (en) * | 2019-07-12 | 2019-09-06 | 中都云谷信息科技有限公司 | A kind of Artificial Mangroves wet land system of deep level of processing sewage |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BRPI0802601B1 (en) * | 2008-05-07 | 2018-12-26 | Nattech Consultoria Desenvolvimento E Pesquisa Ind Ltda | detoxification process and wastewater treatment in large volumes with water recycling and utilization of organic and inorganic fillers |
| CN101746925A (en) * | 2009-12-14 | 2010-06-23 | 朱杰 | New combined process for treating and standardizing high-concentration culture waste water |
| CN101759323B (en) * | 2009-12-24 | 2013-03-13 | 江西省科学院能源研究所 | Treatment combined process for pig farm waste water with high nitrogen content |
-
2014
- 2014-08-01 CN CN201410379166.9A patent/CN104098236B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN104098236A (en) | 2014-10-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104098236B (en) | Large-scale penkeeping field sewage treatment process | |
| CN102964149B (en) | Pollution abatement method for livestock and poultry farm | |
| CN204848572U (en) | Birds is raised and grows effluent treatment plant | |
| CN104130942B (en) | Agricultural organic waste anaerobically fermenting reclaims biogas reaction unit and recovery method | |
| CN101817615A (en) | Anaerobic-sequencing batch biofilm reactor-artificial wetland method for treating piggery wastewater | |
| CN103274571A (en) | Resource utilization and treatment method of livestock breeding wastewater | |
| CN103819052B (en) | A kind of animal farm wastewater Zero discharging system | |
| CN103086566A (en) | Method for processing aquaculture wastewater of pig farm | |
| CN102503033A (en) | Technique for treating pig raising liquid waste by circular anaerobic reactor, sequencing batch biofilm, constructed wetland and facultative lagoon | |
| CN203878046U (en) | Farm waste biochemical digestion and storage system | |
| CN103288302A (en) | Livestock/poultry breeding wastewater resource utilization and treatment device | |
| CN213865564U (en) | Utilize device of algae fungus biomembrane nitrogen and phosphorus removal | |
| CN102154372B (en) | Method for producing methane by means of fermentation with jet mixing technology | |
| CN208440534U (en) | Organic refuse treating system | |
| CN203333441U (en) | Resource utilization and treatment device of livestock and poultry breeding waste water | |
| CN102796657A (en) | Organic waste treatment system and treatment method thereof | |
| CN202786230U (en) | System for treating organic waste | |
| CN101993817A (en) | Fermentation tank and straw air fertilizer co-production system containing same | |
| CN110104898B (en) | Garbage anaerobic and aerobic composting and wastewater purification treatment system | |
| CN105236668B (en) | A kind of biogas slurry pretreatment method of the biological deamination of magnesium monohydrogen phosphate auxiliary | |
| CN210573440U (en) | Scenic spot ecological toilet management station | |
| CN105347607A (en) | Novel dairy farm sewage processing and comprehensive utilization system | |
| CN206428123U (en) | A kind of breeding wastewater recycling treatment system | |
| CN206173174U (en) | System of trash disposal breeds | |
| CN204198544U (en) | A kind of animal farm wastewater Zero discharging system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| 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: 20150923 Termination date: 20160801 |