CN104591409A - Micro-aerobic biological treatment device for low-C/N-ratio manure dry-collection pig farm wastewater and method for treating pig farm wastewater - Google Patents
Micro-aerobic biological treatment device for low-C/N-ratio manure dry-collection pig farm wastewater and method for treating pig farm wastewater Download PDFInfo
- Publication number
- CN104591409A CN104591409A CN201510063905.8A CN201510063905A CN104591409A CN 104591409 A CN104591409 A CN 104591409A CN 201510063905 A CN201510063905 A CN 201510063905A CN 104591409 A CN104591409 A CN 104591409A
- Authority
- CN
- China
- Prior art keywords
- micro
- oxygen
- pig farm
- reactor
- settling tank
- 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.)
- Granted
Links
Classifications
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- 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
-
- 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
- C02F2301/04—Flow arrangements
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention relates to a micro-aerobic biological treatment device for low-C/N-ratio manure dry-collection pig farm wastewater and a method for treating pig farm wastewater, belongs to the technical field of sewage treatment and particularly relates to the micro-aerobic biological treatment device for low-C/N-ratio manure dry-collection pig farm wastewater and a method for treating pig farm wastewater. The micro-aerobic biological treatment device is used for solving the problems of complex process, large investment in infrastructure, high energy consumption and high operating cost since the low-C/N-ratio wastewater treatment technology is not perfect in the prior art. The device comprises a micro-aerobic reactor, a sedimentation tank, a muddy water dissolved oxygen tank, a blower, a dissolved oxygen sensor, an air flow control instrument, a sludge return pump, a micro-aerobic reactor water inlet pipe, a micro-aerobic reactor water outlet pipe, a sedimentation tank water outlet pipe, a sludge return pipe, a residual sludge discharge pipe, an aeration pipe and valves. The method comprises the following step of carrying out micro-aerobic treatment on wastewater through the micro-aerobic reactor so that anaerobic respiration, aerobic respiration, nitrification and denitrification coexist in the treatment system to remove pollutants. The micro-aerobic biological treatment device is used for treating pig farm wastewater.
Description
Technical field
The invention belongs to technical field of sewage, be specifically related to the micro-oxygen biological treatment device of a kind of low C/N than dry clear excrement Wastewater from Pig Farm and the method for process Pig raising wastewater thereof.
Background technology
Pig raising wastewater mainly comprises urine, remaining ight soil, food-residue and pig house washing water etc.Pig raising wastewater generally has that intermittently discharged, organic concentration and nitrogen and phosphorus content are high, carbon-nitrogen ratio is low and concentration of suspension high and more difficult.Directly be discharged in environment if not treated, serious harm can be caused to natural water and organism in water.The concrete water-quality guideline of Pig raising wastewater differs greatly because of the difference of scale and clear excrement mode, and the current clear excrement mode of Large-scale pig farm mainly contains three kinds: water rushes excrement, bubble excrement and dry clear excrement.Dry clear excrement mode refers to first by after machinery or artificial clear excrement, rinse pig house again, significantly can reduce wash water like this, this type of Pig raising wastewater is primarily of urine and pig house washing water composition, therefore organic concentration is lower, and the ight soil collected has higher manurial value.In sum, dry clear excrement technique is more suitable for Large-scale pig farm.Investigation display, pig farm scale is larger, adopts the ratio of dry clear excrement higher.In the Pig raising wastewater that the dry clear excrement pattern of raising pigs produces, contained chemical oxygen demand COD is 1000 ~ 7600mg/L, five-day BOD BOD
5be 700 ~ 4100mg/L, ammonia nitrogen NH
4 +-N and total nitrogen TN is respectively 434 ~ 610mg/L and 481 ~ 730mg/L.Rush excrement and bubble excrement relative to water, the C/N of the Pig raising wastewater that dry clear excrement pattern produces, than lower, is about about 0.5 ~ 1.8, is that a kind of typical low C/N compares waste water.The NH of too low C/N when high density
4 +-N brings very large difficulty to the process of this waste water.Therefore, the efficient high NH of exploiting economy
4 +-N, low C/N are than Pig raising wastewater process new technology and equipment, significant.
Mainly rely on physico-chemical process to carry out denitrogenation pre-treatment to waste water to low C/N than the treatment process of waste water at present, then regulate biochemical reactor water inlet C/N ratio by the mode of additional carbon, make it be suitable for biological denitrificaion.But the water quality regulation method of materialization denitrogenation and additional carbon, inevitably increases the complicacy of technique, operation stability, and investment and processing cost etc., economy is poor.
Summary of the invention
The present invention is that will to solve prior art more perfect not than the treatment technology of waste water for low C/N, there is complex process, initial cost is large, the problem that energy consumption is high, working cost is high, and the micro-oxygen biological treatment device of a kind of low C/N than dry clear excrement Wastewater from Pig Farm and the method for process Pig raising wastewater thereof are provided.
A kind of low C/N of the present invention is made up of micro-oxygen reactor, settling tank, muddy water dissolved oxygen pond, gas blower, dissolved oxygen sensor, air weight controller, sludge reflux pump, micro-oxygen reactor water inlet pipe, micro-oxygen reactor rising pipe, settling tank rising pipe, mud return line, excess sludge discharge pipe, aeration tube and valve than micro-oxygen biological treatment device of dry clear excrement Wastewater from Pig Farm, the top of described micro-oxygen reactor is provided with micro-oxygen reactor rising pipe, the mouth of pipe of described micro-oxygen reactor rising pipe is arranged on the top of described settling tank, the top of described settling tank is provided with settling tank rising pipe, the bottom water outlet of described settling tank is connected with excess sludge discharge pipe with mud return line, and described excess sludge discharge pipe is provided with valve, the bottom in described muddy water dissolved oxygen pond is provided with inlet mouth and water-in, described water-in is connected with mud return line, described inlet mouth is connected with gas blower by aeration tube, the control signal input terminus of described gas blower is connected with the control signal output terminal of air weight controller, the signal input part of air weight controller is connected with the signal output part of dissolved oxygen sensor, described dissolved oxygen sensor is arranged on the middle part of micro-oxygen reactor, the bottom of described micro-oxygen reactor is provided with water-in and sludge reflux mouth, described water-in is connected with micro-oxygen reactor water inlet pipe, described sludge reflux mouth is connected by the top of sludge reflux pump with muddy water dissolved oxygen pond.
Principle: waste water enters reactor by micro-oxygen reactor water inlet pipe bottom micro-oxygen reactor, during by reactor bottom sludge blanket, while the mud of sludge blanket retains the suspended matter in waste water, remove COD and NH by the metabolism of sludge microbe
4 +the pollution substances such as-N; By the control of online dissolved oxygen monitoring with blast volume, by Dissolved Oxygen concentration Control in reactor at about 0.3mg/L, under this micro-oxygen conditions, preponderating with aerobic bacteria and amphimicrobe in mud flco surface, and accounts for leading with anerobe in the mud flco inside of anoxic.Due to the difference of microenvironment inside and outside active sludge, make anaerobic respiration and aerobic repiration, nitrification and denitrification coexist in treatment system, organism, NH can be realized
4 +the synchronous removal of the pollution substance such as-N and TN.
The method of said apparatus process Pig raising wastewater is utilized specifically to carry out according to the following steps:
One, low C/N enters into micro-oxygen reactor by micro-oxygen reactor water inlet pipe from the bottom of micro-oxygen reactor than dry clear excrement Wastewater from Pig Farm, low C/N passes through the sludge blanket bottom micro-oxygen reactor than dry clear excrement Wastewater from Pig Farm, under the monitoring of dissolved oxygen sensor, the dissolved oxygen amount controlled in micro-oxygen reactor is 0.3mg/L ~ 1mg/L, hydraulic detention time is 8h, waste water through micro-oxygen process overflows to settling tank from micro-oxygen reactor rising pipe at micro-oxygen reactor top, go out from the settling tank rising pipe overflow on settling tank top again, obtain qualified water outlet;
Two, the sludgd deposition be mingled with in the waste water of micro-oxygen process is back in muddy water dissolved oxygen pond to the bottom of settling tank by mud return line, after aeration, obtains mud mixture, then is back in micro-oxygen reactor by sludge reflux pump by mud mixture; Bottom described settling tank, remaining mud is discharged by excess sludge discharge pipe; Reflux ratio is 45:1.
The invention has the beneficial effects as follows:
1, the present invention is used for high NH
4 +-N, low C/N, can synchronous organics removal, the NH of economical and efficient than the process of dry clear excrement Wastewater from Pig Farm
4 +the pollutent such as-N and TN.
2, the present invention adopts micro-oxygen conditions, has lower power consumption because aeration rate is low.
3, the low C/N of present device process is than dry clear excrement Wastewater from Pig Farm, and do not need the pre-treatment of materialization deamination, biological denitrificaion does not need additional carbon yet, and processing cost is low.
4, reactor involved in the present invention has higher reflux ratio, and capacity of resisting impact load is strong, stable effluent quality.
5, the present invention tries out scope extensively, and structure is simple, compact, manufactures, installation, maintenance is convenient, takes up an area few, reduced investment, applicable large-scale production.
Accompanying drawing explanation
Fig. 1 is the structural representation of low C/N than micro-oxygen biological treatment device of dry clear excrement Wastewater from Pig Farm; 1 be micro-oxygen reactor, 2 be wherein settling tank, 3 be muddy water dissolved oxygen pond, 4 be gas blower, 5 be dissolved oxygen sensor, 6 be air weight controller, 7 be sludge reflux pump, 8 be micro-oxygen reactor water inlet pipe, 9 be micro-oxygen reactor rising pipe, 10 be settling tank rising pipe, 11 be mud return line, 12 be excess sludge discharge pipe, 13 be aeration tube, 14 for valve.
Embodiment
Technical solution of the present invention is not limited to following cited embodiment, also comprises the arbitrary combination between each embodiment.
Embodiment one: composition graphs 1 illustrates present embodiment, a kind of low C/N of present embodiment is made up of micro-oxygen reactor 1, settling tank 2, muddy water dissolved oxygen pond 3, gas blower 4, dissolved oxygen sensor 5, air weight controller 6, sludge reflux pump 7, micro-oxygen reactor water inlet pipe 8, micro-oxygen reactor rising pipe 9, settling tank rising pipe 10, mud return line 11, excess sludge discharge pipe 12, aeration tube 13 and valve 14 than micro-oxygen biological treatment device of dry clear excrement Wastewater from Pig Farm, the top of described micro-oxygen reactor 1 is provided with micro-oxygen reactor rising pipe 9, the mouth of pipe of described micro-oxygen reactor rising pipe 9 is arranged on the top of described settling tank 2, the top of described settling tank 2 is provided with settling tank rising pipe 10, the bottom water outlet of described settling tank 2 is connected with excess sludge discharge pipe 12 with mud return line 11, and described excess sludge discharge pipe 12 is provided with valve 14, the bottom in described muddy water dissolved oxygen pond 3 is provided with inlet mouth and water-in, described water-in is connected with mud return line 11, described inlet mouth is connected with gas blower 4 by aeration tube 13, the control signal input terminus of described gas blower 4 is connected with the control signal output terminal of air weight controller 6, the signal input part of air weight controller 6 is connected with the signal output part of dissolved oxygen sensor 5, described dissolved oxygen sensor 5 is arranged on the middle part of micro-oxygen reactor 1, the bottom of described micro-oxygen reactor 1 is provided with water-in and sludge reflux mouth, described water-in is connected with micro-oxygen reactor water inlet pipe 8, described sludge reflux mouth is connected with the top in muddy water dissolved oxygen pond 3 by sludge reflux pump 7.
Embodiment two: present embodiment and embodiment one unlike: described micro-oxygen reactor 1 top is right cylinder, and bottom is centrum, and it is highly 500mm, and cylindrical diameter is 100mm.Other are identical with embodiment one.
Embodiment three: present embodiment and embodiment one or two unlike: described settling tank 2 is inverted triangle cone-shaped body, and it is highly 200mm, and diameter is 380mm.Other are identical with embodiment one or two.
Embodiment four: one of present embodiment and embodiment one to three unlike: described muddy water dissolved oxygen pond 3 is right cylinder, and it is highly 250mm, and diameter is 100mm.Other are identical with one of embodiment one to three.
Embodiment five: one of present embodiment and embodiment one to four unlike: described micro-oxygen reactor water inlet pipe 8, micro-oxygen reactor rising pipe 9, mud return line 11 and excess sludge discharge pipe 12 adopt the silicone tube that internal diameter is 6.4mm, wall thickness is 1.6mm to make.Other are identical with one of embodiment one to four.
Embodiment six: one of present embodiment and embodiment one to five unlike: described settling tank rising pipe 10 for diameter is the flexible metal conduit of 20mm.Other are identical with one of embodiment one to five.
Embodiment seven: utilize the method for device process Pig raising wastewater described in embodiment one specifically to carry out according to the following steps:
One, low C/N enters into micro-oxygen reactor 1 by micro-oxygen reactor water inlet pipe 8 from the bottom of micro-oxygen reactor 1 than dry clear excrement Wastewater from Pig Farm, low C/N passes through the sludge blanket bottom micro-oxygen reactor 1 than dry clear excrement Wastewater from Pig Farm, under the monitoring of dissolved oxygen sensor 5, the dissolved oxygen amount controlled in micro-oxygen reactor 1 is 0.3mg/L ~ 1mg/L, hydraulic detention time is 8h, waste water through micro-oxygen process overflows to settling tank 2 from micro-oxygen reactor rising pipe 9 at micro-oxygen reactor 1 top, go out from settling tank rising pipe 10 overflow on settling tank 2 top again, obtain qualified water outlet,
Two, the sludgd deposition be mingled with in the waste water of micro-oxygen process is back in muddy water dissolved oxygen pond 3 to the bottom of settling tank 2 by mud return line 11, after aeration, obtain mud mixture, then by sludge reflux pump 7, mud mixture is back in micro-oxygen reactor 1; Bottom described settling tank 2, remaining mud is discharged by excess sludge discharge pipe 12; Reflux ratio is 45:1.
Following examples are adopted to verify beneficial effect of the present invention:
Embodiment one: composition graphs 1 illustrates the present embodiment, the present embodiment utilizes the method for device process Pig raising wastewater described in embodiment one specifically to carry out according to the following steps:
One, low C/N enters into micro-oxygen reactor 1 by micro-oxygen reactor water inlet pipe 8 from the bottom of micro-oxygen reactor 1 than dry clear excrement Wastewater from Pig Farm, low C/N passes through the sludge blanket bottom micro-oxygen reactor 1 than dry clear excrement Wastewater from Pig Farm, under the monitoring of dissolved oxygen sensor 5, the dissolved oxygen amount controlled in micro-oxygen reactor 1 is 0.3mg/L ~ 1mg/L, hydraulic detention time is 8h, waste water through micro-oxygen process overflows to settling tank 2 from micro-oxygen reactor rising pipe 9 at micro-oxygen reactor 1 top, go out from settling tank rising pipe 10 overflow on settling tank 2 top again, obtain qualified water outlet,
Two, the sludgd deposition be mingled with in the waste water of micro-oxygen process is back in muddy water dissolved oxygen pond 3 to the bottom of settling tank 2 by mud return line 11, after aeration, obtain mud mixture, then by sludge reflux pump 7, mud mixture is back in micro-oxygen reactor 1; Bottom described settling tank 2, remaining mud is discharged by excess sludge discharge pipe 12; Reflux ratio is 45:1.
Sludge blanket mud used bottom micro-oxygen reactor 1 described in step one is secondary sedimentation tank of sewage treatment work mud.
Low C/N described in step one than the water-quality guideline of dry clear excrement Wastewater from Pig Farm is: COD 135mg/L, NH
4 +-N 110mg/L, NO
3 --N 1.5mg/L.
Treatment effect is: COD clearance >=84%, NH4+-N clearance >=95%, TN clearance >=75%.
Embodiment two: composition graphs 1 illustrates the present embodiment, the present embodiment utilizes the method for device process Pig raising wastewater described in embodiment one specifically to carry out according to the following steps:
One, low C/N enters into micro-oxygen reactor 1 by micro-oxygen reactor water inlet pipe 8 from the bottom of micro-oxygen reactor 1 than dry clear excrement Wastewater from Pig Farm, low C/N passes through the sludge blanket bottom micro-oxygen reactor 1 than dry clear excrement Wastewater from Pig Farm, under the monitoring of dissolved oxygen sensor 5, the dissolved oxygen amount controlled in micro-oxygen reactor 1 is 0.3mg/L ~ 1mg/L, hydraulic detention time is 8h, waste water through micro-oxygen process overflows to settling tank 2 from micro-oxygen reactor rising pipe 9 at micro-oxygen reactor 1 top, go out from settling tank rising pipe 10 overflow on settling tank 2 top again, obtain qualified water outlet,
Two, the sludgd deposition be mingled with in the waste water of micro-oxygen process is back in muddy water dissolved oxygen pond 3 to the bottom of settling tank 2 by mud return line 11, after aeration, obtain mud mixture, then by sludge reflux pump 7, mud mixture is back in micro-oxygen reactor 1; Bottom described settling tank 2, remaining mud is discharged by excess sludge discharge pipe 12; Reflux ratio is 45:1.
Sludge blanket mud used bottom micro-oxygen reactor 1 described in step one is the mud in the UASB of process Pig raising wastewater.
Low C/N described in step one than the water-quality guideline of dry clear excrement Wastewater from Pig Farm is: COD 312mg/L, NH
4 +-N 299mg/L, NO
3 --N 0.9mg/L.
Treatment effect: COD clearance>=79%, NH
4 +-N clearance>=74%, TN clearance>=75%.
Claims (7)
1. one kind low C/N is than the micro-oxygen biological treatment device doing clear excrement Wastewater from Pig Farm, it is characterized in that the micro-oxygen biological treatment device of low C/N than dry clear excrement Wastewater from Pig Farm is by micro-oxygen reactor (1), settling tank (2), muddy water dissolved oxygen pond (3), gas blower (4), dissolved oxygen sensor (5), air weight controller (6), sludge reflux pump (7), micro-oxygen reactor water inlet pipe (8), micro-oxygen reactor rising pipe (9), settling tank rising pipe (10), mud return line (11), excess sludge discharge pipe (12), aeration tube (13) and valve (14) composition, the top of described micro-oxygen reactor (1) is provided with micro-oxygen reactor rising pipe (9), the mouth of pipe of described micro-oxygen reactor rising pipe (9) is arranged on the top of described settling tank (2), the top of described settling tank (2) is provided with settling tank rising pipe (10), the bottom water outlet of described settling tank (2) is connected with excess sludge discharge pipe (12) with mud return line (11), and described excess sludge discharge pipe (12) is provided with valve (14), the bottom of described muddy water dissolved oxygen pond (3) is provided with inlet mouth and water-in, described water-in is connected with mud return line (11), described inlet mouth is connected with gas blower (4) by aeration tube (13), the control signal input terminus of described gas blower (4) is connected with the control output end of air weight controller (6), the signal input part of air weight controller (6) is connected with the signal output part of dissolved oxygen sensor (5), described dissolved oxygen sensor (5) is arranged on the middle part of micro-oxygen reactor (1), the bottom of described micro-oxygen reactor (1) is provided with water-in and sludge reflux mouth, described water-in is connected with micro-oxygen reactor water inlet pipe (8), described sludge reflux mouth is connected with the top in muddy water dissolved oxygen pond (3) by sludge reflux pump (7).
2. a kind of low C/N according to claim 1 is than micro-oxygen biological treatment device of dry clear excrement Wastewater from Pig Farm, it is characterized in that described micro-oxygen reactor (1) top is right cylinder, bottom is centrum, and it is highly 500mm, and cylindrical diameter is 100mm.
3. a kind of low C/N according to claim 1 is than micro-oxygen biological treatment device of dry clear excrement Wastewater from Pig Farm, and it is characterized in that described settling tank (2) is for inverted triangle cone-shaped body, it is highly 200mm, and diameter is 380mm.
4. a kind of low C/N according to claim 1 is than micro-oxygen biological treatment device of dry clear excrement Wastewater from Pig Farm, and it is characterized in that described muddy water dissolved oxygen pond (3) is right cylinder, it is highly 250mm, and diameter is 100mm.
5. a kind of low C/N according to claim 1 is than micro-oxygen biological treatment device of dry clear excrement Wastewater from Pig Farm, it is characterized in that described micro-oxygen reactor water inlet pipe (8), micro-oxygen reactor rising pipe (9), mud return line (11) and excess sludge discharge pipe (12) adopt the silicone tube that internal diameter is 6.4mm, wall thickness is 1.6mm to make.
6. a kind of low C/N according to claim 1 is than micro-oxygen biological treatment device of dry clear excrement Wastewater from Pig Farm, it is characterized in that described settling tank rising pipe (10) for diameter be the flexible metal conduit of 20mm.
7. utilize the device described in claim 1, it is characterized in that the method processing Pig raising wastewater is specifically carried out according to the following steps:
One, low C/N enters into micro-oxygen reactor (1) by micro-oxygen reactor water inlet pipe (8) from the bottom of micro-oxygen reactor (1) than dry clear excrement Wastewater from Pig Farm, low C/N is than the sludge blanket of dry clear excrement Wastewater from Pig Farm by micro-oxygen reactor (1) bottom, under the monitoring of dissolved oxygen sensor (5), the dissolved oxygen amount controlled in micro-oxygen reactor (1) is 0.3mg/L ~ 1mg/L, hydraulic detention time is 8h, waste water through micro-oxygen process overflows to settling tank (2) from micro-oxygen reactor rising pipe (9) at micro-oxygen reactor (1) top, go out from settling tank rising pipe (10) overflow on settling tank (2) top again, obtain qualified water outlet,
Two, the sludgd deposition be mingled with in the waste water of micro-oxygen process is back in muddy water dissolved oxygen pond (3) to the bottom of settling tank (2) by mud return line (11), after aeration, obtain mud mixture, then by sludge reflux pump (7), mud mixture is back in micro-oxygen reactor (1); The remaining mud in described settling tank (2) bottom is discharged by excess sludge discharge pipe (12); Reflux ratio is 45:1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510063905.8A CN104591409B (en) | 2015-02-06 | 2015-02-06 | Method for treating pig farm wastewater by using micro-aerobic biological treatment device for low-C/N-ratio manure dry-collection pig farm wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510063905.8A CN104591409B (en) | 2015-02-06 | 2015-02-06 | Method for treating pig farm wastewater by using micro-aerobic biological treatment device for low-C/N-ratio manure dry-collection pig farm wastewater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104591409A true CN104591409A (en) | 2015-05-06 |
| CN104591409B CN104591409B (en) | 2017-01-11 |
Family
ID=53117526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510063905.8A Expired - Fee Related CN104591409B (en) | 2015-02-06 | 2015-02-06 | Method for treating pig farm wastewater by using micro-aerobic biological treatment device for low-C/N-ratio manure dry-collection pig farm wastewater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104591409B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107381817A (en) * | 2017-09-18 | 2017-11-24 | 广东益康生环保服务有限公司 | A kind of micro- oxygen denitrification reactor of cavitation-preventive |
| CN107381978A (en) * | 2017-09-18 | 2017-11-24 | 广东益康生环保服务有限公司 | A kind of micro- oxygen denitrification reactor of internal-circulation type |
| CN107445299A (en) * | 2017-09-18 | 2017-12-08 | 广东益康生环保服务有限公司 | A kind of split backflow declines oxygen denitrification reactor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1413926A (en) * | 2001-10-24 | 2003-04-30 | 杨造燕 | Sewage treatment process and its system |
| JP4017657B1 (en) * | 2007-05-15 | 2007-12-05 | 株式会社日本プラント建設 | Treatment method of wastewater containing organic matter |
| CN201512432U (en) * | 2009-10-24 | 2010-06-23 | 桂林理工大学 | Molasses alcohol waste water micro-aerophilic biological processing device for utilizing air to supply oxygen |
| CN102167480A (en) * | 2011-03-23 | 2011-08-31 | 中山大学 | Excess sludge decrement treatment method and device |
| CN204434361U (en) * | 2015-02-06 | 2015-07-01 | 哈尔滨工业大学 | A kind of low C/N is than micro-oxygen biological treatment device of dry clear excrement Wastewater from Pig Farm |
-
2015
- 2015-02-06 CN CN201510063905.8A patent/CN104591409B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1413926A (en) * | 2001-10-24 | 2003-04-30 | 杨造燕 | Sewage treatment process and its system |
| JP4017657B1 (en) * | 2007-05-15 | 2007-12-05 | 株式会社日本プラント建設 | Treatment method of wastewater containing organic matter |
| CN201512432U (en) * | 2009-10-24 | 2010-06-23 | 桂林理工大学 | Molasses alcohol waste water micro-aerophilic biological processing device for utilizing air to supply oxygen |
| CN102167480A (en) * | 2011-03-23 | 2011-08-31 | 中山大学 | Excess sludge decrement treatment method and device |
| CN204434361U (en) * | 2015-02-06 | 2015-07-01 | 哈尔滨工业大学 | A kind of low C/N is than micro-oxygen biological treatment device of dry clear excrement Wastewater from Pig Farm |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107381817A (en) * | 2017-09-18 | 2017-11-24 | 广东益康生环保服务有限公司 | A kind of micro- oxygen denitrification reactor of cavitation-preventive |
| CN107381978A (en) * | 2017-09-18 | 2017-11-24 | 广东益康生环保服务有限公司 | A kind of micro- oxygen denitrification reactor of internal-circulation type |
| CN107445299A (en) * | 2017-09-18 | 2017-12-08 | 广东益康生环保服务有限公司 | A kind of split backflow declines oxygen denitrification reactor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104591409B (en) | 2017-01-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103395937B (en) | Processing device and processing method applicable to high-ammonia-nitrogen agricultural wastewater | |
| CN104591473B (en) | Advanced nitrogen and phosphorus removal technology | |
| CN112811719B (en) | Autotrophic denitrification treatment system and method for urban sewage | |
| CN103936230B (en) | The sewage water treatment method that a kind of activated sludge process and biological contact oxidation process combine | |
| CN105060598A (en) | Chemical pharmacy wastewater pretreatment system | |
| CN108383320A (en) | A kind of integrated processing method of livestock breeding wastewater | |
| CN204509049U (en) | Integration Combined sewage treatment system | |
| CN104016550B (en) | Sewage water treatment method in Apparel Manufacturing | |
| CN104591409A (en) | Micro-aerobic biological treatment device for low-C/N-ratio manure dry-collection pig farm wastewater and method for treating pig farm wastewater | |
| CN104163494A (en) | Autotrophic nitrogen removal device for landfill leachate, and running method | |
| CN103951143A (en) | Constant water level membrane biological reaction system and method for removing pollutants in sewage by utilizing same | |
| CN109879546A (en) | A kind of dispersant type domestic wastewater processing system and treatment process | |
| CN201614333U (en) | Decentralized sewage treatment device | |
| CN205011584U (en) | Sewage treatment system based on MBR | |
| CN209890451U (en) | Nitrification and denitrification circulating water treatment system | |
| CN109231673B (en) | A/O combined micro-electric field-Fe/C reinforced dephosphorization device and application thereof | |
| CN109081509B (en) | Sewage treatment system and process suitable for low-carbon-nitrogen ratio and high-carbon-nitrogen ratio | |
| CN103936237B (en) | A kind of waste disposal plant based on recessive growth and energy uncoupling metabolism associating and the method for disposing of sewage thereof | |
| CN203582653U (en) | Livestock/fowl culture wastewater treatment system | |
| CN203866153U (en) | Improved reinforced A2/O denitrogenation and dephosphorization treating device for municipal sewage | |
| CN204434361U (en) | A kind of low C/N is than micro-oxygen biological treatment device of dry clear excrement Wastewater from Pig Farm | |
| CN206486324U (en) | A kind of livestock breeding wastewater advanced treatment apparatus | |
| CN105060624A (en) | Sewage treatment biochemical reaction tank | |
| CN211999015U (en) | Improved UCT coupling biological rotating disc sewage treatment system for black and odorous water body | |
| CN105084662B (en) | A kind of Treated sewage reusing processing method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 150001 Harbin, Nangang, West District, large straight street, No. 92 Applicant after: Harbin Institute of Technology Applicant after: Harbin water environmental protection industry Polytron Technologies Inc Address before: 150001 Harbin, Nangang, West District, large straight street, No. 92 Applicant before: Harbin Institute of Technology Applicant before: Harbin Chenergy Hit Environmental Technology Co., Ltd. |
|
| COR | Change of bibliographic data | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170111 Termination date: 20200206 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |