CN105645673A - Device and method for treating livestock and poultry breeding wastewater - Google Patents
Device and method for treating livestock and poultry breeding wastewater Download PDFInfo
- Publication number
- CN105645673A CN105645673A CN201511030598.XA CN201511030598A CN105645673A CN 105645673 A CN105645673 A CN 105645673A CN 201511030598 A CN201511030598 A CN 201511030598A CN 105645673 A CN105645673 A CN 105645673A
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- Prior art keywords
- water
- anaerobic
- ammonia nitrogen
- tank
- anaerobic reactor
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Classifications
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/20—Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
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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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
-
- 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
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biological Treatment Of Waste Water (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention relates to the technical field of wastewater treatment, in particular to a device with a reasonable structure and high treatment efficiency and a method for treating livestock and poultry breeding wastewater. The device is characterized by being provided with a horizontal flow sedimentation tank, an ammonia nitrogen digestion tank, an aerobic reaction tank, an anaerobic reactor and an aeration tank, wherein filtering grids for filtering solid impurities in the wastewater are arranged in the horizontal flow sedimentation tank; a water outlet of the horizontal flow sedimentation tank is connected with a water inlet of the ammonia nitrogen digestion tank; an aerator and a circulating water pump are arranged in the ammonia nitrogen digestion tank; a water outlet of the ammonia nitrogen digestion tank is connected with a water inlet of the aerobic reaction tank; a water outlet of the aerobic reaction tank is connected with a water inlet of the anaerobic reactor; a water outlet of the anaerobic reactor is connected with an inlet of the aeration tank. Compared with the prior art, the device and the method disclosed by the invention have the remarkable advantages of reasonable structure, stable work, no secondary pollution or side products and the like.
Description
Technical field:
The present invention relates to technical field of sewage, specifically a kind of rational in infrastructure, livestock breeding wastewater treatment unit that processing efficiency is high and method.
Background technology:
Along with reform and opening to the outside world and economic development, China's livestock industry obtains fast development. Build a large amount of livestock and poultry farms in scale at big or middle surrounding city, flowed directly into river, lake without the Animal fecal pollution sewage of any process, cause a large amount of N and P losses, cause water pollution and eutrophication, natural ecological environment is damaged. Therefore, strengthen the prevention and cure of pollution of livestock and poultry breeding industry, become present stage and the most important thing of a rural environmental protection job in period from now on, be extremely urgent urgent task.
In livestock and poultry cultivation process, for creating good growing environment to livestock and poultry animal, the feces of livestock and poultry that every day must regularly accumulate on cleaning colony house ground, and the pollutents such as the excrement slag that remains in colony house ground are rinsed with water, wash-down water is the main source of aquaculture wastewater. But, usually used as the use of colony house wash-down water is all underground water or tap water, had both caused the waste of water resources, and had been polluted by surrounding aqueous environment again. The pollutent of aquaculture wastewater not only contains the organism of high density, but also contains ammonia nitrogen and the phosphorus (the ammonia nitrogen of solvability and phosphorus) of high density. If after plain sedimentation, supernatant liquor is used as recirculated water, in its working cycle, the accumulation of pollution substance will certainly be produced, finally can cause the failure of circulation technology.
Summary of the invention:
The present invention is directed to the shortcoming and defect that prior art exists, it is proposed that a kind of rational in infrastructure, livestock breeding wastewater treatment unit that processing efficiency is high and method.
The present invention can be reached by following measure:
A kind of livestock breeding wastewater treatment unit, it is characterized in that being provided with horizontal sedimentation tank, ammonia nitrogen digester, aerobic reaction pond, anaerobic reactor, aeration tank, horizontal sedimentation tank is wherein provided with the filtering grid for solid impurity in filtering waste water, the water outlet of horizontal sedimentation tank is connected with the water inlet of ammonia nitrogen digester, ammonia nitrogen digester is provided with aerator and water circulating pump, the water outlet of ammonia nitrogen digester is connected with the water inlet in aerobic reaction pond, the water outlet in aerobic reaction pond is connected with the water inlet of anaerobic reactor, the water outlet of anaerobic reactor is connected with the entrance of aeration tank.
The housing of anaerobic reactor of the present invention is respectively gas sampling district, three-phase separation area and anaerobic reaction district from top to bottom, gas sampling district is provided with vapor pipe, anaerobic reaction district fills anaerobic sludge particle, circulation water distributor it is provided with bottom anaerobic reaction district, circulation water distributor is connected with the water inlet pipe of lower housing portion, three-phase separation area is provided with for the swash plate separation module of precipitated impurities and is positioned at the sludge bucket of swash plate separation module bottom, setting out the mouth of a river in the housing sidewall of three-phase separation area, water outlet is connected with aerobic microbiological treating pond through water pipe.
Anaerobic sludge particle is filled in the anaerobic reaction district of anaerobic reactor of the present invention, and add promotor, described promotor is: Calcium dichloride dihydrate 70% 75%, Repone K 25% 28%, iron(ic) chloride 3%, lytic enzyme 0.12 0.14 polyacrylamide 0.15% 0.25%, causticity starch 1.2% 1.4%.
The invention allows for a kind of livestock and poultry cultivation dung dispose technique utilizing livestock breeding wastewater treatment unit described above, it is characterised in that comprise the following steps:
Step 1: removed after bigger foreign material from flowing into horizontal sedimentation tank through grid by the livestock and poultry liquid dung collected;
Step 2: the excrement water after horizontal sedimentation tank precipitation removes particulate matter is from flowing into ammonia nitrogen digester, and ammonia nitrogen digester is provided with aerator and circulation submersible pump, and the ammonia nitrogen being rich in excrement water can be converted into nitrate in jet mixing digester;
Step 3: the excrement water after aerobic sigestion is promoted to anaerobic reactor by submersible pump, decompose under the effect of the anaerobion of the organism in excrement water in anaerobic reactor and generate biogas and water, nitrate then the denitrifying bacteria in anaerobic reactor effect under be converted into nitrogen, the natural pond liquid that anaerobic reaction produces can be used as farm manure and uses, the biogas produced can produce life for plant, and the excrement water COD after anaerobic treatment can be down to about 2000mg/l;
Step 4: the excrement water after anaerobic treatment is from flowing into Round Sump jet aeration tanks, and aeration tank is provided with jet aerator and recycle pump, enters discharge pond after the excrement water COD of jet aeration tanks process is down to below 200mg/l;
Step 5: by qualified sewage discharge processed in discharge pond or be used for agricultural irrigation.
The present invention compared with prior art, has rational in infrastructure, working stability, does not produce the significant advantages such as secondary pollution by product.
Accompanying drawing illustrates:
Accompanying drawing 1 is the structural representation of the present invention.
Reference numeral: horizontal sedimentation tank 1, ammonia nitrogen digester 2, aerobic reaction pond 3, anaerobic reactor 4, aeration tank 5.
Embodiment:
Below in conjunction with accompanying drawing, the present invention is further illustrated.
As shown in Figure 1, the present invention proposes a kind of livestock breeding wastewater treatment unit, it is characterized in that being provided with horizontal sedimentation tank 1, ammonia nitrogen digester 2, aerobic reaction pond 3, anaerobic reactor 4, aeration tank 5, horizontal sedimentation tank 1 is wherein provided with the filtering grid for solid impurity in filtering waste water, the water outlet of horizontal sedimentation tank 1 is connected with the water inlet of ammonia nitrogen digester, ammonia nitrogen digester 2 is provided with aerator and water circulating pump, the water outlet of ammonia nitrogen digester 2 is connected with the water inlet in aerobic reaction pond 3, the water outlet in aerobic reaction pond 3 is connected with the water inlet of anaerobic reactor 4, the water outlet of anaerobic reactor 4 is connected with the entrance of aeration tank 5.
The housing of anaerobic reactor 4 of the present invention is respectively gas sampling district, three-phase separation area and anaerobic reaction district from top to bottom, gas sampling district is provided with vapor pipe, anaerobic reaction district fills anaerobic sludge particle, circulation water distributor it is provided with bottom anaerobic reaction district, circulation water distributor is connected with the water inlet pipe of lower housing portion, three-phase separation area is provided with for the swash plate separation module of precipitated impurities and is positioned at the sludge bucket of swash plate separation module bottom, setting out the mouth of a river in the housing sidewall of three-phase separation area, water outlet is connected with aerobic microbiological treating pond through water pipe.
Anaerobic sludge particle is filled in the anaerobic reaction district of anaerobic reactor 4 of the present invention, and add promotor, described promotor is: Calcium dichloride dihydrate 70% 75%, Repone K 25% 28%, iron(ic) chloride 3%, lytic enzyme 0.12 0.14 polyacrylamide 0.15% 0.25%, causticity starch 1.2% 1.4%.
The invention allows for a kind of livestock and poultry cultivation dung dispose technique utilizing livestock breeding wastewater treatment unit described above, it is characterised in that comprise the following steps:
Step 1: removed after bigger foreign material from flowing into horizontal sedimentation tank through grid by the livestock and poultry liquid dung collected;
Step 2: the excrement water after horizontal sedimentation tank precipitation removes particulate matter is from flowing into ammonia nitrogen digester, and ammonia nitrogen digester is provided with aerator and circulation submersible pump, and the ammonia nitrogen being rich in excrement water can be converted into nitrate in jet mixing digester;
Step 3: the excrement water after aerobic sigestion is promoted to anaerobic reactor by submersible pump, decompose under the effect of the anaerobion of the organism in excrement water in anaerobic reactor and generate biogas and water, nitrate then the denitrifying bacteria in anaerobic reactor effect under be converted into nitrogen, the natural pond liquid that anaerobic reaction produces can be used as farm manure and uses, the biogas produced can produce life for plant, and the excrement water COD after anaerobic treatment can be down to about 2000mg/l;
Step 4: the excrement water after anaerobic treatment is from flowing into Round Sump jet aeration tanks, and aeration tank is provided with jet aerator and recycle pump, enters discharge pond after the excrement water COD of jet aeration tanks process is down to below 200mg/l;
Step 5: by qualified sewage discharge processed in discharge pond or be used for agricultural irrigation.
The present invention compared with prior art, has rational in infrastructure, working stability, does not produce the significant advantages such as secondary pollution by product.
Claims (4)
1. a livestock breeding wastewater treatment unit, it is characterized in that being provided with horizontal sedimentation tank, ammonia nitrogen digester, aerobic reaction pond, anaerobic reactor, aeration tank, horizontal sedimentation tank is wherein provided with the filtering grid for solid impurity in filtering waste water, the water outlet of horizontal sedimentation tank is connected with the water inlet of ammonia nitrogen digester, ammonia nitrogen digester is provided with aerator and water circulating pump, the water outlet of ammonia nitrogen digester is connected with the water inlet in aerobic reaction pond, the water outlet in aerobic reaction pond is connected with the water inlet of anaerobic reactor, the water outlet of anaerobic reactor is connected with the entrance of aeration tank.
2. a kind of livestock breeding wastewater treatment unit according to claim 1, it is characterized in that the housing of described anaerobic reactor is respectively gas sampling district from top to bottom, three-phase separation area and anaerobic reaction district, gas sampling district is provided with vapor pipe, anaerobic reaction district fills anaerobic sludge particle, circulation water distributor it is provided with bottom anaerobic reaction district, circulation water distributor is connected with the water inlet pipe of lower housing portion, three-phase separation area is provided with for the swash plate separation module of precipitated impurities and is positioned at the sludge bucket of swash plate separation module bottom, the housing sidewall of three-phase separation area sets out the mouth of a river, water outlet is connected with aerobic microbiological treating pond through water pipe.
3. a kind of livestock breeding wastewater treatment unit according to claim 1, it is characterized in that anaerobic sludge particle is filled in the anaerobic reaction district of described anaerobic reactor, and add promotor, described promotor is: Calcium dichloride dihydrate 70% 75%, Repone K 25% 28%, iron(ic) chloride 3%, lytic enzyme 0.12 0.14 polyacrylamide 0.15% 0.25%, causticity starch 1.2% 1.4%.
4. one kind utilizes the livestock and poultry cultivation dung dispose technique such as livestock breeding wastewater treatment unit as described in any one in claim 13, it is characterised in that comprise the following steps:
Step 1: removed after bigger foreign material from flowing into horizontal sedimentation tank through grid by the livestock and poultry liquid dung collected;
Step 2: the excrement water after horizontal sedimentation tank precipitation removes particulate matter is from flowing into ammonia nitrogen digester, and ammonia nitrogen digester is provided with aerator and circulation submersible pump, and the ammonia nitrogen being rich in excrement water can be converted into nitrate in jet mixing digester;
Step 3: the excrement water after aerobic sigestion is promoted to anaerobic reactor by submersible pump, decompose under the effect of the anaerobion of the organism in excrement water in anaerobic reactor and generate biogas and water, nitrate then the denitrifying bacteria in anaerobic reactor effect under be converted into nitrogen, the natural pond liquid that anaerobic reaction produces can be used as farm manure and uses, the biogas produced can produce life for plant, and the excrement water COD after anaerobic treatment can be down to about 2000mg/l;
Step 4: the excrement water after anaerobic treatment is from flowing into Round Sump jet aeration tanks, and aeration tank is provided with jet aerator and recycle pump, enters discharge pond after the excrement water COD of jet aeration tanks process is down to below 200mg/l;
Step 5: by qualified sewage discharge processed in discharge pond or be used for agricultural irrigation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511030598.XA CN105645673A (en) | 2015-12-31 | 2015-12-31 | Device and method for treating livestock and poultry breeding wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511030598.XA CN105645673A (en) | 2015-12-31 | 2015-12-31 | Device and method for treating livestock and poultry breeding wastewater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105645673A true CN105645673A (en) | 2016-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511030598.XA Pending CN105645673A (en) | 2015-12-31 | 2015-12-31 | Device and method for treating livestock and poultry breeding wastewater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105645673A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107698097A (en) * | 2017-10-01 | 2018-02-16 | 东台市东方船舶装配有限公司 | Animal waste processing and utilizing system and processing Application way |
| CN109179887A (en) * | 2018-09-30 | 2019-01-11 | 广西乐业康辉生态养殖专业合作社 | A method of for livestock and poultry sewage treatment |
-
2015
- 2015-12-31 CN CN201511030598.XA patent/CN105645673A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107698097A (en) * | 2017-10-01 | 2018-02-16 | 东台市东方船舶装配有限公司 | Animal waste processing and utilizing system and processing Application way |
| CN109179887A (en) * | 2018-09-30 | 2019-01-11 | 广西乐业康辉生态养殖专业合作社 | A method of for livestock and poultry sewage treatment |
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20160608 |