CN102815845A - Lossless regeneration and recovery device of phosphorus of high phosphorus salt organic industrial wastewater and recovery process - Google Patents
Lossless regeneration and recovery device of phosphorus of high phosphorus salt organic industrial wastewater and recovery process Download PDFInfo
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- CN102815845A CN102815845A CN2012103471854A CN201210347185A CN102815845A CN 102815845 A CN102815845 A CN 102815845A CN 2012103471854 A CN2012103471854 A CN 2012103471854A CN 201210347185 A CN201210347185 A CN 201210347185A CN 102815845 A CN102815845 A CN 102815845A
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Abstract
The invention provides a technology for recycling high phosphorus salt organic industrial wastewater and recovering phosphorus and comprises a high mass transfer hydrolysis presetting basin, an electric flocculation turbulence flow sedimentation basin, a limited aeration membrane bio-reactor (MBR) basin and a terminal reverse osmosis device which are connected successively. By strengthening the mechanisms of high efficient pre-degradation of organism-containing phosphorus, electric flocculation turbulence flow sedimentation, MBR basin limited aeration and the like, the high phosphorus salt organic industrial wastewater is subjected to denitriding and dephosphorization and regeneration to enable the water quality after the water is processed to meet the water quality standard of industrial recycling and losslessly recover and reuse the phosphorus in wastewater. The flocculate containing phosphorus obtained in the electric flocculation turbulence flow sedimentation basin can be used as agricultural slow-release phosphatic fertilizer to strengthen phosphorus releasing effect.
Description
Technical field
The invention belongs to technical field of sewage, be specifically related to the harmless retrieving arrangement of phosphorus in a kind of high microcosmic salt organic industrial sewage and reclaim technology.
Background technology
Along with rapid economy development; The phosphoric of land is through non-human act and the artificial exploitation circulation that constantly enters society; Final rainwash and the ocean of importing, the eutrophication phenomenon that causes thus, harm such as wawter bloom, red tide cause very big puzzlement for human society and physical environment.Simultaneously, a large amount of losses also cause soil depletion, crop in poor harvest as the phosphoric of soil nutrient composition, and the recycling of visible phosphoric is imperative in soil.High-content phosphorus element in the high microcosmic salt organic industrial sewage and nitrogen element are in case not treated or defective processing gets into natural water; Its harm that causes is difficult to bear; And if phosphorus element is wherein removed and recycled; Not only can solve eutrophication harm, also can effectively promote soil fertility, its favourable prospect can be predicted.
At present, the removal to phosphorus mainly contains biological process and chemical method.The biological process dephosphorization is that active sludge is alternately moved under the anaerobic and aerobic state, can make the growth of preponderating of the phosphatic phosphorus fungus of excess accumulation, makes the active sludge phosphorus content higher than ordinary activated sludge.Phosphorus fungus releases phosphorus under anaerobic state is excessively absorbed phosphorus in the mud under good oxygen condition.Through the rich phosphorus excess sludge of discharging, remove phosphoric, but its clearance generally can only reach 30%-40%, single creature dephosphorization method can't reach the 0.5mg/L standard.The chemical method dephosphorization is through adding a kind of or several flocculation agents and coagulant aids; Phosphorus element in the sewage is become granule sludge to precipitate and separates the back and remove; Add molysite in a large number, the aluminium saline flocculating agent can reach emission standard, but molysite, adding in a large number also of aluminium salt certainly will cause disadvantageous effect to biological processing unit.
Relevant research shows that when phosphor in sewage existed with the phosphate radical form, dephosphorization was main with ferrous phosphate and phosphagel phosphaljel form mainly, ferrous phosphate and phosphagel phosphaljel in soil release that the phosphorus effect is far superior to calcium phosphate release the phosphorus effect.
To sum up visible, in the high microcosmic salt organic industrial sewage phosphorus harmlessly reclaim technology and have high clearance, high-recovery, be easy to promote, the advantage of aspect such as sustainability.
Summary of the invention
To the problems referred to above, the present invention proposes the harmless retrieving arrangement of a kind of high phosphorus organic industrial sewage phosphorus and reclaim technology.Concrete scheme is following:
A kind of harmless reclaiming device of high microcosmic salt organic industrial sewage phosphorus, this device comprises: the turbulent settling tank in high mass transfer hydrolysis preset pond 17, electricity flocculation 18, restriction aeration MBR pond 19 and terminal reverse osmosis unit.
Described high mass transfer hydrolysis preset pond 17, the pond is 4m deeply, hydraulic detention time remains on 4-6h; Be provided with in the pond and turn over waterwall; The pond body is divided into the cumulative compartment of several volumes, fills up the special water turbulence modularization filler 1 of cutting in the compartment, end is provided with precipitation inclined plate 7 compartments; High microcosmic salt organic industrial sewage seethes each compartment of flowing through successively up and down, and regularly be back to Chi Dinghuo through shore pipe 9 effluxes collection to each compartment pool bottom sludge.The waste water flow velocity reduces gradually; Be beneficial to that large particulate matter precipitates in the waste water in the terminal settling tank in high mass transfer hydrolysis preset pond; Remove suspended solid (SS), reduce the processing pressure to subsequent technique, each compartment pool bottom sludge regularly is back to Chi Dinghuo and effluxes collection.Suspended substance can be in this deposition accumulation in the water inlet, and through the anaerobism effect voluntarily hydrolysis subdue, mikrobe can be removed total nitrogen as the carbon source denitrification with precipitating sludge and hydrolysate thereof in the pond, the backflow phosphorus containing sludge in restriction aeration MBR pond discharges phosphorus in this anaerobism.
The said water turbulence modularization filler 1 cut is processed by the modified plastics plate, and fin becomes to intersect non-intersect form and makes up between plate, plays and cuts the water effect, changes water movement flow velocity and direction, promotes turbulent mass transfer effect.
Electricity flocculation current stabilization settling tank 18 is made up of electrolyzer 2, coagulation basin 3 and settling tank 4, and electrolyzer 2 anodes 10 are aluminium sheet or iron plate, and negative electrode 11 is a graphite; Waste water is behind electrolyzer 2; Get into coagulation basin 3, load in the coagulation basin 3 and cut water turbulence modularization filler 1, again through settling tank 4 water outlets.Coagulation basin is divided into several compartments; Load in the compartment and cut water turbulence modularization filler 1, carry the turbulent shear motion in the compartment process of flowing through of white lake or ferrous hydroxide colloid core, form the alumen ustum throw out gradually through the waste water of preliminary electric throwing out; Final uniform water distribution gets into efficient inclined-plate clarifying basin by the bottom; Remove the alumen ustum throw out in this deposition, this phosphorous throw out can be used for agriculture slow-release phosphate fertilizer, and it is remarkable to release the phosphorus effect.
The turbulent settling tank water outlet of electricity flocculation gets into restriction aeration MBR pond 19.Said restriction aeration MBR pond 19 is made up of with traditional MBR pond 6 two portions restriction aeration tank 5, and swash plate restriction aerating apparatus is loaded in the restriction aeration tank, prolongs gas RT in water body, the enhanced aeration effect.Two portions are interconnected at the bottom of the pond, have certain slope at the bottom of the pond, and lower at the bottom of restriction 5 ponds, aeration tank, rich phosphorus sludge comes together in this, get into high mass transfer hydrolysis preset pond 17 feed-water ends through refluxing, and carry out anaerobic phosphorus release.
Restriction aeration MBR pond water outlet gets into intermediate water tank, through HPP, gets into terminal reverse-osmosis treated device, further removes pollutents such as salt, and system's final outflow water reaches the industrial reuse standard.
Utilize harmless retrieving arrangement to carry out the harmless technology that reclaims of high microcosmic salt organic industrial sewage; Through strengthening the efficient degraded in advance of phosphorus-containing matter; Electricity flocculation turbulent flow deposition, MBR pond restriction aeration process and terminal reverse osmosis unit; Phosphorus element in the high microcosmic salt organic industrial sewage can't harm regeneration, makes processing back effluent quality reach the industrial reuse water quality standard.
Technology operability of the present invention is high; In each item pollutent of effectively removing in the high microcosmic salt organic industrial sewage; Flocculate precipitate through reclaiming electricity flocculation current stabilization settling tank realizes the recovery of phosphorus, thereby demonstrates fully its environmental benefit, economic benefit and social benefit.
Description of drawings
Fig. 1 is a process flow sheet;
Fig. 2 is a high mass transfer hydrolysis preset pond sectional view;
Fig. 3 is for cutting water turbulence modularization filler sectional view;
Fig. 4 is the turbulent settling tank sectional view of electricity flocculation;
Fig. 5 is restriction aeration MBR pond sectional view.
Wherein: 1 for cutting water turbulence modularization filler; 2 is electrolyzer; 3 is coagulation basin; 4 is settling tank; 5 are the restriction aeration tank; 6 is traditional MBR pond; 7 is precipitation inclined plate; 8 is water leg; 9 is shore pipe; 10 is aluminium (iron) plate electrode; 11 is Graphite Electrodes; 12 is the scum silica frost receiving tank; 13 is the uniform water distribution canal; 14 is the MBR film; 15 is aerating apparatus; 16 are the mud backflow; 17 is high mass transfer hydrolysis preset pond; 18 is the turbulent settling tank of electricity flocculation; 19 are restriction aeration MBR pond.
Embodiment
A kind of harmless reclaiming device of high microcosmic salt organic industrial sewage phosphorus, this device comprises: the turbulent settling tank in high mass transfer hydrolysis preset pond 17, electricity flocculation 18, restriction aeration MBR pond 19 and terminal reverse osmosis unit.
Described high mass transfer hydrolysis preset pond 17, the pond is 4m deeply, hydraulic detention time remains on 4-6h; Be provided with in the pond and turn over waterwall; The pond body is divided into the cumulative compartment of several volumes, fills up the special water turbulence modularization filler 1 of cutting in the compartment, end is provided with precipitation inclined plate 7 compartments; High microcosmic salt organic industrial sewage seethes each compartment of flowing through successively up and down, and regularly be back to Chi Dinghuo through shore pipe 9 effluxes collection to each compartment pool bottom sludge.The waste water flow velocity reduces gradually; Be beneficial to that large particulate matter precipitates in the waste water in the terminal settling tank in high mass transfer hydrolysis preset pond; Remove suspended solid (SS), reduce the processing pressure to subsequent technique, each compartment pool bottom sludge regularly is back to Chi Dinghuo and effluxes collection.Suspended substance can be in this deposition accumulation in the water inlet, and through the anaerobism effect voluntarily hydrolysis subdue, mikrobe can be removed total nitrogen as the carbon source denitrification with precipitating sludge and hydrolysate thereof in the pond, the backflow phosphorus containing sludge in restriction aeration MBR pond discharges phosphorus in this anaerobism.
The said water turbulence modularization filler 1 cut is processed by the modified plastics plate, and fin becomes to intersect non-intersect form and makes up between plate, plays and cuts the water effect, changes water movement flow velocity and direction, promotes turbulent mass transfer effect.
Electricity flocculation current stabilization settling tank 18 is made up of electrolyzer 2, coagulation basin 3 and settling tank 4, and electrolyzer 2 anodes 10 are aluminium sheet or iron plate, and negative electrode 11 is a graphite; Waste water is behind electrolyzer 2; Get into coagulation basin 3, load in the coagulation basin 3 and cut water turbulence modularization filler 1, again through settling tank 4 water outlets.Coagulation basin is divided into several compartments; Load in the compartment and cut water turbulence modularization filler 1, carry the turbulent shear motion in the compartment process of flowing through of white lake or ferrous hydroxide colloid core, form the alumen ustum throw out gradually through the waste water of preliminary electric throwing out; Final uniform water distribution gets into efficient inclined-plate clarifying basin by the bottom; Remove the alumen ustum throw out in this deposition, this phosphorous throw out can be used for agriculture slow-release phosphate fertilizer, and it is remarkable to release the phosphorus effect.
The turbulent settling tank water outlet of electricity flocculation gets into restriction aeration MBR pond 19.Said restriction aeration MBR pond 19 is made up of with traditional MBR pond 6 two portions restriction aeration tank 5, and swash plate restriction aerating apparatus is loaded in the restriction aeration tank, prolongs gas RT in water body, the enhanced aeration effect.Two portions are interconnected at the bottom of the pond, have certain slope at the bottom of the pond, and lower at the bottom of restriction 5 ponds, aeration tank, rich phosphorus sludge comes together in this, get into high mass transfer hydrolysis preset pond 17 feed-water ends through refluxing, and carry out anaerobic phosphorus release.
Utilize harmless retrieving arrangement to carry out the harmless technology that reclaims of high microcosmic salt organic industrial sewage; Through strengthening the efficient degraded in advance of phosphorus-containing matter; Electricity flocculation turbulent flow deposition, MBR pond restriction aeration process and terminal reverse osmosis unit; Phosphorus element in the high microcosmic salt organic industrial sewage can't harm regeneration, makes processing back effluent quality reach the industrial reuse water quality standard.
Restriction aeration MBR pond water outlet gets into intermediate water tank, through HPP, gets into terminal reverse-osmosis treated device, further removes pollutents such as salt, and system's final outflow water reaches the industrial reuse standard.
What should explain at last is: obviously, the foregoing description only be for clearly the present invention is described and is done for example, and be not qualification to embodiment.For the those of ordinary skill in affiliated field, on the basis of above-mentioned explanation, can also make other multi-form variation or change.Here need not also can't give exhaustive to all embodiments.And conspicuous variation of being amplified out thus or change still are among protection scope of the present invention.
Claims (6)
1. the harmless reclaiming device of a high microcosmic salt organic industrial sewage, it is characterized in that: this device comprises: high mass transfer hydrolysis preset pond (17), electricity flocculation turbulent settling tank (18), restriction aeration MBR pond (19) and terminal reverse osmosis unit.
2. harmless reclaiming device according to claim 1; It is characterized in that: described high mass transfer hydrolysis preset pond (17), pond are 4m deeply, and hydraulic detention time remains on 4-6h; Be provided with in the pond and turn over waterwall; The pond body is divided into the cumulative compartment of several volumes, fills up the special water turbulence modularization filler (1) of cutting in the compartment, end is provided with precipitation inclined plate (7) compartment; High microcosmic salt organic industrial sewage seethes each compartment of flowing through successively up and down, and regularly be back to Chi Dinghuo through shore pipe (9) effluxes collection to each compartment pool bottom sludge.
3. harmless reclaiming device according to claim 2; It is characterized in that: the said water turbulence modularization filler (1) of cutting is processed by the modified plastics plate; Fin becomes the non-intersect form of intersection to make up between plate; Play and cut the water effect, change water movement flow velocity and direction, promote turbulent mass transfer effect.
4. harmless reclaiming device according to claim 1; It is characterized in that: electricity flocculation current stabilization settling tank (18) is made up of electrolyzer (2), coagulation basin (3) and settling tank (4), and electrolyzer (2) anode (10) is aluminium sheet or iron plate, and negative electrode (11) is a graphite; Waste water is behind electrolyzer (2); Get into coagulation basin (3), load in the coagulation basin (3) and cut water turbulence modularization filler (1), again through settling tank (4) water outlet.
5. harmless retrieving arrangement according to claim 1; It is characterized in that: said restriction aeration MBR pond (19) is made up of restriction aeration tank (5) and traditional MBR pond (6) two portions, and two portions are interconnected at the bottom of the pond, have certain slope at the bottom of the pond; Lower at the bottom of the restriction pond, aeration tank (5); Rich phosphorus sludge comes together in this, gets into high mass transfer hydrolysis preset pond (17) feed-water end through refluxing, and carries out anaerobic phosphorus release.
6. one kind is utilized the said device of claim 1 to carry out the harmless technology that reclaims of high microcosmic salt organic industrial sewage; It is characterized in that: through strengthening the efficient degraded in advance of phosphorus-containing matter; Electricity flocculation turbulent flow deposition, MBR pond restriction aeration process and terminal reverse osmosis unit; Phosphorus element in the high microcosmic salt organic industrial sewage can't harm regeneration, makes processing back effluent quality reach the industrial reuse water quality standard.
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| CN201210347185.4A CN102815845B (en) | 2012-09-19 | 2012-09-19 | Lossless regeneration and recovery device of phosphorus of high phosphorus salt organic industrial wastewater and recovery process |
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| CN201210347185.4A CN102815845B (en) | 2012-09-19 | 2012-09-19 | Lossless regeneration and recovery device of phosphorus of high phosphorus salt organic industrial wastewater and recovery process |
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| CN102815845B CN102815845B (en) | 2014-01-15 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105130133A (en) * | 2015-09-29 | 2015-12-09 | 天津邦盛净化设备工程有限公司 | Treatment system and method for water-soluble paint production wastewater |
| CN111875158A (en) * | 2020-07-07 | 2020-11-03 | 安庆常润米业股份有限公司 | A waste water dephosphorization system for rice deep-processing |
| CN112551502A (en) * | 2020-12-21 | 2021-03-26 | 长沙工研院环保有限公司 | Method for recycling ferroelectrolytic phosphorus removal precipitate |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101555083A (en) * | 2009-05-08 | 2009-10-14 | 江苏金山环保工程集团有限公司 | Baffling contact precipitation integral anaerobic reactor |
| CN101560040A (en) * | 2009-05-08 | 2009-10-21 | 北京清大国华环保科技有限公司 | Method and device for processing pharmaceutical wastewater by pulse electrocoagulation-MBR |
| CN101671090A (en) * | 2009-04-29 | 2010-03-17 | 四川宇阳环境工程有限公司 | Combined processing technique of garbage percolates |
-
2012
- 2012-09-19 CN CN201210347185.4A patent/CN102815845B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101671090A (en) * | 2009-04-29 | 2010-03-17 | 四川宇阳环境工程有限公司 | Combined processing technique of garbage percolates |
| CN101555083A (en) * | 2009-05-08 | 2009-10-14 | 江苏金山环保工程集团有限公司 | Baffling contact precipitation integral anaerobic reactor |
| CN101560040A (en) * | 2009-05-08 | 2009-10-21 | 北京清大国华环保科技有限公司 | Method and device for processing pharmaceutical wastewater by pulse electrocoagulation-MBR |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105130133A (en) * | 2015-09-29 | 2015-12-09 | 天津邦盛净化设备工程有限公司 | Treatment system and method for water-soluble paint production wastewater |
| CN111875158A (en) * | 2020-07-07 | 2020-11-03 | 安庆常润米业股份有限公司 | A waste water dephosphorization system for rice deep-processing |
| CN112551502A (en) * | 2020-12-21 | 2021-03-26 | 长沙工研院环保有限公司 | Method for recycling ferroelectrolytic phosphorus removal precipitate |
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| CN102815845B (en) | 2014-01-15 |
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Effective date of registration: 20191118 Address after: No.31, floor 1, building 5, Shuangqiao East Road, Chaoyang District, Beijing 100020 Patentee after: Beijing Bolen Technology Co.,Ltd. Address before: 102200 Beijing City, Changping District science and Technology Park white floating Road 10 No. 2 No. Beikong science and Technology Building Room 226 Patentee before: Beijing Green All Environment Technology Co.,Ltd. |
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Granted publication date: 20140115 Termination date: 20210919 |