CN105776764A - Piggery wastewater treatment device and piggery wastewater treatment method - Google Patents
Piggery wastewater treatment device and piggery wastewater treatment method Download PDFInfo
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- CN105776764A CN105776764A CN201610271936.7A CN201610271936A CN105776764A CN 105776764 A CN105776764 A CN 105776764A CN 201610271936 A CN201610271936 A CN 201610271936A CN 105776764 A CN105776764 A CN 105776764A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
- C02F3/2846—Anaerobic digestion processes using upflow anaerobic sludge blanket [UASB] reactors
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
A piggery wastewater treatment device comprises a UASB (upflow anaerobic sludge blanket) reactor, a primary sedimentation tank, a buffering tank, a regulation tank, a hydrolysis tank, an aeration tank, a secondary sedimentation tank, a flocculation tank, a settling tank, a disinfection tank, a sludge condensation tank and an equipment room. By a treatment process including pretreatment, efficient contact oxidation, chemical flocculation and disinfection, harmful substances such as COD (chemical oxygen demand) substances, BOD (biological oxygen demand) substances and ammonia nitrogen in wastewater are removed; by disinfection, wastewater with escherichia coli exceeding standards is treated to be harmless and up to standards prior to being discharged. Therefore, regional surface water environment quality can be improved beneficially, physical and psychological health of surrounding residents can be guaranteed beneficially, and improvement of working and living environments of the surrounding residents is evidently benefited.
Description
Technical field
The present invention relates to a kind of wastewater treatment equipment, especially a kind of Wastewater from Pig Farm processes device and processing method thereof.
Background technology
The garbage that the feces of livestock and poultry producing mainly to add in biogas engineering of biogas slurry waste water produces after anaerobic fermentation, containing the harmful substance such as a certain amount of Organic substance and inorganic matter in waste water, such as direct discharge, periphery water environment can be polluted, according to relevant environmental friendly principle, it is necessary for setting up a kind of wastewater treatment equipment.
Summary of the invention
For solving an above existing difficult problem, the invention discloses a kind of Wastewater from Pig Farm and process device and processing method thereof.
A kind of Wastewater from Pig Farm processes device, and described Wastewater from Pig Farm processes device and includes UASB reactor, preliminary sedimentation tank, Buffer Pool, regulating reservoir, hydrolytic tank, Aeration tank, second pond, flocculation basin, sedimentation tank, sterilization pool, the condensing pond of mud and equipment room.
Further, UASB reactor lower end is connected with Wastewater from Pig Farm sump by pipeline, and UASB reactor connects with the condensing pond of preliminary sedimentation tank and mud respectively also by pipeline, preliminary sedimentation tank and Buffer Pool are structure as a whole, and communicate, preliminary sedimentation tank is connected by the condensing pond of pipeline and mud, Buffer Pool is connected with regulating reservoir by pipeline, regulating reservoir is connected with hydrolytic tank by pipeline, hydrolytic tank is connected with the condensing pond of Aeration tank and mud respectively by pipeline, Aeration tank is connected with second pond by pipeline, second pond is connected with the condensing pond of flocculation basin and mud respectively by pipeline, flocculation basin is connected with sedimentation tank by pipeline, sedimentation tank is connected with the condensing pond of sterilization pool and mud respectively by pipeline.
Further, described sterilization pool and the condensing pond of mud are further connected with delivery pipe, and the quantity of the delivery pipe that sterilization pool is connected to is one, and the quantity of the delivery pipe that the condensing pond of mud is connected to is two.
Further, being provided with Roots blower in described equipment room, Roots blower is connected with hydrolytic tank and Aeration tank respectively by pipeline.
A kind of Wastewater from Pig Farm processing method, described Wastewater from Pig Farm processing method comprises the following steps:
A, by waste water suction UASB reactor in sump, the sewage that the COD of waste water processes in the waste water after below 1500mg/L, process can be flowed in preliminary sedimentation tank by practical anaerobism mode, and the mud in waste water flows in the condensing pond of mud；
B, toward adding PAM or PAC in preliminary sedimentation tank, remove in preliminary sedimentation tank in waste water can hypostasis and floating thing, the sewage in waste water flows into Buffer Pool, then flows into regulating reservoir from Buffer Pool, and the mud in waste water flows in the condensing pond of mud；
C, in regulating reservoir regulating water quality and the water yield, then waste water flow into hydrolytic tank；
D, in hydrolytic tank, utilize the anaerobe decomposition to macromolecular compound, the macromolecular compound decomposed by aerobic-anaerobic microbe and aerobic microbiological more difficult in waste water water is decomposed into micromolecular compound, the Organic substance of non-the dissolved is progressively converted into the Organic substance of the dissolved by damming, then the sewage in waste water flows into Aeration tank, and the mud in waste water flows in the condensing pond of mud；
E, reducing wastewater biochemical oxygen demand BOD and ammonia nitrogen in Aeration tank, then waste water flows in second pond；
F, in second pond, add PAM or PAC, remove in waste water can hypostasis and floating thing, the sewage in waste water flows in flocculation basin, and the mud in waste water flows in the condensing pond of mud；
G, adding PAM or PAC in flocculation basin, and be stirred, then the supernatant in waste water flows into sedimentation tank, then flows into sterilization pool；
Sewage in waste water in h, sedimentation tank flows into sterilization pool, and the mud in waste water flows in the condensing pond of mud；
I, in sterilization pool, it is provided with ozonator, utilizes ozonator to carry out disinfection, then qualified discharge；
In the condensing pond of j, mud, mud can be delivered to and carry out natural filtration on drying bed, also can fold spiral shell dewaterer and carry out desliming.
Beneficial effect: the present invention adopts the process technique of pretreatment, high-efficient contact oxidation, chemical flocculation and sterilization, eliminate the harmful substances such as COD, the BOD in waste water and ammonia nitrogen, disinfect the escherichia coli that exceed standard can be processed innoxious after carry out Chinese effluent up to standard, be conducive to improving area surface water environment quality, be conducive to ensureing and the physical and mental health of surrounding resident all can produce obvious benefit to improving the work of surrounding resident, living environment.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present invention.
Detailed description of the invention
In conjunction with accompanying drawing, the present invention is described in further details.
nullAs shown in the figure，A kind of Wastewater from Pig Farm processes device，Described Wastewater from Pig Farm processes device and includes UASB reactor 1、Preliminary sedimentation tank 2、Buffer Pool 3、Regulating reservoir 4、Hydrolytic tank 5、Aeration tank 6、Second pond 7、Flocculation basin 8、Sedimentation tank 9、Sterilization pool 10、The condensing pond 11 of mud and equipment room 12，UASB reactor 1 lower end is connected with Wastewater from Pig Farm sump 14 by pipeline，And UASB reactor 1 connects with the condensing pond 11 of preliminary sedimentation tank 2 and mud respectively also by pipeline，Preliminary sedimentation tank 2 and Buffer Pool 3 are structure as a whole，And communicate，Preliminary sedimentation tank 2 is connected by pipeline and the condensing pond 11 of mud，Buffer Pool 3 is connected by pipeline and regulating reservoir 4，Regulating reservoir 4 is connected by pipeline and hydrolytic tank 5，Hydrolytic tank 5 is connected with the condensing pond 11 of Aeration tank 6 and mud respectively by pipeline，Aeration tank 6 is connected by pipeline and second pond 7，Second pond 7 is connected with the condensing pond 11 of flocculation basin 8 and mud respectively by pipeline，Flocculation basin 8 is connected by pipeline and sedimentation tank 9，Sedimentation tank 9 is connected with the condensing pond 11 of sterilization pool 10 and mud respectively by pipeline，Described sterilization pool 10 and the condensing pond 11 of mud are further connected with delivery pipe，The quantity of the delivery pipe that sterilization pool 10 is connected to is one，The quantity of the delivery pipe that the condensing pond 11 of mud is connected to is two，It is provided with Roots blower in described equipment room 12，Roots blower is connected with hydrolytic tank 5 and Aeration tank 6 respectively by pipeline.A kind of Wastewater from Pig Farm processing method, described Wastewater from Pig Farm processing method comprises the following steps: a, by waste water suction UASB reactor 1 in sump 14, the COD of waste water is processed at below 1500mg/L by practical anaerobism mode, the sewage in waste water after process can flow in preliminary sedimentation tank 2, and the mud in waste water flows in the condensing pond 11 of mud；B, in preliminary sedimentation tank 2, add PAM or PAC, remove preliminary sedimentation tank 2 in waste water can hypostasis and floating thing, the sewage in waste water flows into Buffer Pool 3, then flows into regulating reservoir 4 from Buffer Pool 3, in the mud inflow condensing pond 11 of mud in waste water；C, in regulating reservoir 4 regulating water quality and the water yield, then waste water flow into hydrolytic tank 5；D, in hydrolytic tank 5, utilize the anaerobe decomposition to macromolecular compound, the macromolecular compound decomposed by aerobic-anaerobic microbe and aerobic microbiological more difficult in waste water water is decomposed into micromolecular compound, the Organic substance of non-the dissolved is progressively converted into the Organic substance of the dissolved by damming, then the sewage in waste water flows into Aeration tank 6, and the mud in waste water flows in the condensing pond 11 of mud；E, reducing wastewater biochemical oxygen demand BOD and ammonia nitrogen in Aeration tank 6, then waste water flows in second pond 7；F, in second pond 7 add PAM or PAC, remove in waste water can hypostasis and floating thing, sewage in waste water flows in flocculation basin 8, mud in waste water flows in the condensing pond 11 of mud, g, in flocculation basin 8 add PAM or PAC, and be stirred, then the supernatant in waste water flows into sedimentation tank 9, then flows into sterilization pool 10；Sewage in waste water in h, sedimentation tank 9 flows into sterilization pool 10, and the mud in waste water flows in the condensing pond 11 of mud；I, in sterilization pool 10, it is provided with ozonator, utilizes ozonator to carry out disinfection, then qualified discharge；In the condensing pond 11 of j, mud, mud can be delivered to and carry out natural filtration on drying bed, also can fold spiral shell dewaterer and carry out desliming.
Embodiment: owing to water inlet biogas slurry water quality is very unstable, COD, at more than 1500mg/L, if such water quality enters aerobic treatment unit and will consume medicine by oxygen consumption in a large number, utilizes the processing mode of UASB three phase separator strictly anaerobic by water treatment to a certain extent；nullPreliminary sedimentation tank 2 can remove in waste water can hypostasis and floating thing，Waste water is after just sinking，About can remove can hypostasis and floating thing 50%、The 20% of BOD，By removing unit mass BOD or solids calculating，Preliminary sedimentation tank 2 is the purifying step economically saved the most，The sewage higher for float all easily adopts preliminary sedimentation tank 2 pretreatment，Hydraulic loading rate generally takes 0.6～1.2m3/ (m2 h) and is advisable，Sewage is mainly derived from biogas slurry，Suspended particulate matter in sewage is a lot，If being directly entered subsequent biochemical system，The process load of subsequent processing units can be increased，Affect treatment effect，It even can be made not run well，Pretreated sewage enters aftertreatment systems and processes，Process at this kind of waste water is concentrated mainly in dephosphorization，The dephosphorization clearance of biochemical action has reached the limit，But too high phosphorous index does not reach technological requirement by subsequent treatment to the greatest extent，The pretreating process of dephosphorization must be set in biochemical system front end，Adopt and add PAC and PAM flocculation sediment at preliminary sedimentation tank 2，Generating while phosphorus-containing compound precipitation of phosphorus from system；Sewage is in the regulating reservoir 4 regulating water quality water yield, and regulating reservoir 4 is also accident pool, has following effect: 1, preliminary sedimentation, separation；2, regulating water quality, enables water quality balanced, is conducive to next process；3, regulating pondage, if water inlet is not at the uniform velocity, this pond just can regulate；4, can realizing the effect of accident buffering, if little fault occurs in treatment process below, waste water can here do storage of short duration, plays the effect of buffering, is unlikely to be that production process is shut down because waste water can not get rid of；nullHydrolytic tank 5 utilizes the anaerobe decomposition to macromolecular compound，The macromolecular compound decomposed by aerobic-anaerobic microbe and aerobic microbiological more difficult in sewage is decomposed into micromolecular compound，The Organic substance of non-the dissolved is progressively converted into the Organic substance of the dissolved by damming，To improve the removal effect to COD of the follow-up aerobic reaction facility，Weaken and even eliminate some organic compound to the suppression of nitrifier in aerobic reaction facility，When Organic substance in water is labyrinth，Hydrolysis acidification bacterium utilizes the H20 H+ ionized and-OH to be opened by the C-C in organic molecule，One end adds H+，One end addition-OH，Long-chain can be hydrolyzed to short chain、Side chain becomes straight chain、Ring junction constitutes straight or branched，Improve the biodegradability of sewage，In water during SS height，Bacterium is caught by ectoplasm in hydrolysis，It is hydrolyzed into molecule part with exoenzyme and enters back into born of the same parents' intracellular metabolite，Incomplete metabolism can make SS become dissolved organic matter；In Aeration tank 6, mixing is promoted by discharging the water displacement of bubble, and the contact between water and bubble causes that oxygen transmits, and be released along pipeline, system have a certain amount of free-pouring, with maximally effective, chemically inert medium is as medium, break the socket of the antibacterial of undressed sewage, supply oxygen by roots blower to further speed up to sewage and media and to puncture, it is simultaneously fed into the microorganism embedded in the media, this will cause that microorganism replicates, thus each second discharges billions of microorganisms, thus microorganism amount reproduction is even more, in this process, Biochemical oxygen demand BOD and ammonia nitrogen in liquid are decreased sufficiently；In flocculation basin 8, determining addition PAC or PAM according to flocculate source in sewage, Double-curved-surface stirring machine is used in stirring, sedimentation tank middle hopper shape, drying bed squeezed into by bottom sediment pump, and supernatant enters sedimentation tank, water outlet enters sterilization pool 10, qualified discharge after ozonator is sterilized；The mud produced in native system is mainly materialized mud and biochemical excess sludge, the moisture content significantly reducing mud can be met by the excess sludge in system being delivered to natural filtration on drying bed, containing the effect by filtering layer of the mud waste water, retain mud, filtrate is oozed out by bottom, entering original place reason system again to process, folded spiral shell dewaterer desliming is taked in weather conditions when cannot be carried out dewatered sludge, reach sewage disposal system and run well.2 sewage pumps, the using and the reserved are installed in sump；Preliminary sedimentation tank is provided with 1 sludge pump, is contained in pond, and regulating reservoir and hydrolytic tank are anti-base sludge precipitation, install boring aeration pipe；Second pond is provided with 2 sludge reflux pumps, is contained in pond, the using and the reserved；Flocculation basin and sedimentation tank are mounted on 1 curved surface blender, chemicals dosing plant, PH meter etc., and are respectively mounted 2 sludge pumps in pond；1 sludge pump is installed at the bottom of the pond of sludge-tank.Being additionally provided with multiple valve on sludge stream is threaded a pipe, be additionally provided with pipeline pump between the pipeline that UASB reactor connects with the condensing pond of mud, effect is that the mud in UASB reactor is taken away.
Claims (5)
1. a Wastewater from Pig Farm processes device, it is characterized in that, described Wastewater from Pig Farm processes device and includes UASB reactor (1), preliminary sedimentation tank (2), Buffer Pool (3), regulating reservoir (4), hydrolytic tank (5), Aeration tank (6), second pond (7), flocculation basin (8), sedimentation tank (9), sterilization pool (10), the condensing pond of mud (11) and equipment room (12).
null2. a kind of Wastewater from Pig Farm according to claim 1 processes device，It is characterized in that，UASB reactor (1) lower end is connected with Wastewater from Pig Farm sump (14) by pipeline，And UASB reactor (1) connects with preliminary sedimentation tank (2) and the condensing pond of mud (11) respectively also by pipeline，Preliminary sedimentation tank (2) and Buffer Pool (3) are structure as a whole，And communicate，Preliminary sedimentation tank (2) is connected with the condensing pond of mud (11) by pipeline，Buffer Pool (3) is connected with regulating reservoir (4) by pipeline，Regulating reservoir (4) is connected with hydrolytic tank (5) by pipeline，Hydrolytic tank (5) is connected with Aeration tank (6) and the condensing pond of mud (11) respectively by pipeline，Aeration tank (6) is connected with second pond (7) by pipeline，Second pond (7) is connected with flocculation basin (8) and the condensing pond of mud (11) respectively by pipeline，Flocculation basin (8) is connected with sedimentation tank (9) by pipeline，Sedimentation tank (9) is connected with sterilization pool (10) and the condensing pond of mud (11) respectively by pipeline.
3. a kind of Wastewater from Pig Farm according to claim 2 processes device, it is characterized in that, described sterilization pool (10) and the condensing pond of mud (11) are further connected with delivery pipe, the quantity of the delivery pipe that sterilization pool (10) is connected to is one, and the quantity of the delivery pipe that the condensing pond of mud (11) is connected to is two.
4. a kind of Wastewater from Pig Farm according to claim 1 processes device, it is characterized in that, described equipment room is provided with Roots blower in (12), and Roots blower is connected with hydrolytic tank (5) and Aeration tank (6) respectively by pipeline.
5. a Wastewater from Pig Farm processing method, it is characterised in that described Wastewater from Pig Farm processing method comprises the following steps:
A, by sump (14) interior waste water suction UASB reactor (1), the COD of waste water is processed at below 1500mg/L by practical anaerobism mode, the sewage in waste water after process can flow in preliminary sedimentation tank (2), and the mud in waste water flows in the condensing pond of mud (11)；
PAM or PAC is added in b, past preliminary sedimentation tank (2), remove in preliminary sedimentation tank (2) in waste water can hypostasis and floating thing, sewage in waste water flows into Buffer Pool (3), then flowing into regulating reservoir (4) from Buffer Pool (3), the mud in waste water flows in the condensing pond of mud (11)；
C, in regulating reservoir (4) regulating water quality and the water yield, then waste water flow into hydrolytic tank (5)；
D, in hydrolytic tank (5), utilize the anaerobe decomposition to macromolecular compound, the macromolecular compound decomposed by aerobic-anaerobic microbe and aerobic microbiological more difficult in waste water water is decomposed into micromolecular compound, the Organic substance of non-the dissolved is progressively converted into the Organic substance of the dissolved by damming, then the sewage in waste water flows into Aeration tank (6), and the mud in waste water flows in the condensing pond of mud (11)；
E, reducing wastewater biochemical oxygen demand BOD and ammonia nitrogen in Aeration tank (6), then waste water flows in second pond (7)；
F, in second pond (7), add PAM or PAC, remove in waste water can hypostasis and floating thing, the sewage in waste water flows in flocculation basin (8), and the mud in waste water flows in the condensing pond of mud (11)；
G, adding PAM or PAC in flocculation basin (8), and be stirred, then the supernatant in waste water flows into sedimentation tank (9), then flows into sterilization pool (10)；
Sewage in waste water in h, sedimentation tank (9) flows into sterilization pool (10), and the mud in waste water flows in the condensing pond of mud (11)；
I, in sterilization pool (10), it is provided with ozonator, utilizes ozonator to carry out disinfection, then qualified discharge；
The condensing pond of j, mud (11) interior mud can be delivered to and carry out natural filtration on drying bed, also can fold spiral shell dewaterer and carry out desliming.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610271936.7A CN105776764A (en) | 2016-04-28 | 2016-04-28 | Piggery wastewater treatment device and piggery wastewater treatment method |
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| CN201610271936.7A CN105776764A (en) | 2016-04-28 | 2016-04-28 | Piggery wastewater treatment device and piggery wastewater treatment method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110746041A (en) * | 2019-10-23 | 2020-02-04 | 温州科技职业学院 | Pigsty wastewater sterilization and recycling treatment method and equipment thereof |
| CN115011816A (en) * | 2022-06-02 | 2022-09-06 | 紫金矿业集团股份有限公司 | Method for recovering lithium from salt field calcium chloride crystal |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103435224A (en) * | 2013-08-21 | 2013-12-11 | 江苏鑫林环保设备有限公司 | Waste water treatment technology for livestock breeding |
| CN204014714U (en) * | 2014-08-29 | 2014-12-17 | 烟台福祖畜牧养殖有限公司 | A kind of live pig piggery |
| CN205773890U (en) * | 2016-04-28 | 2016-12-07 | 孙辛卉 | A kind of Wastewater from Pig Farm processing means |
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2016
- 2016-04-28 CN CN201610271936.7A patent/CN105776764A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103435224A (en) * | 2013-08-21 | 2013-12-11 | 江苏鑫林环保设备有限公司 | Waste water treatment technology for livestock breeding |
| CN204014714U (en) * | 2014-08-29 | 2014-12-17 | 烟台福祖畜牧养殖有限公司 | A kind of live pig piggery |
| CN205773890U (en) * | 2016-04-28 | 2016-12-07 | 孙辛卉 | A kind of Wastewater from Pig Farm processing means |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110746041A (en) * | 2019-10-23 | 2020-02-04 | 温州科技职业学院 | Pigsty wastewater sterilization and recycling treatment method and equipment thereof |
| CN115011816A (en) * | 2022-06-02 | 2022-09-06 | 紫金矿业集团股份有限公司 | Method for recovering lithium from salt field calcium chloride crystal |
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Application publication date: 20160720 |