CN203741182U - Sewage treatment system - Google Patents
Sewage treatment system Download PDFInfo
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- CN203741182U CN203741182U CN201420050077.5U CN201420050077U CN203741182U CN 203741182 U CN203741182 U CN 203741182U CN 201420050077 U CN201420050077 U CN 201420050077U CN 203741182 U CN203741182 U CN 203741182U
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Abstract
The utility model relates to a sewage treatment system. The sewage treatment system comprises a pretreatment system, a biochemical treatment system, a sludge-water separation system and an advanced treatment system, wherein the pretreatment system comprises an oil separation grit chamber, a homogenizing and averaging adjusting tank and a coagulative precipitation tank; the biochemical treatment system comprises a multistage anoxic/oxic biochemical tank and an A/O (anoxic/oxic) tank; the sludge-water separation system comprises a horizontal flow precipitation tank and a radial flow precipitation tank; the advanced treatment system comprises a coagulation air floatation tank and an activated carbon adsorption tank. The sewage treatment system solves the problems of serious sewage pollution and water source waste in the leather preparation industry.
Description
Technical field
The utility model relates to a kind of Sewage treatment systems.
Background technology
It is the industry that produces large amount of sewage that leather is prepared industry; tanning sewage is not only measured greatly; and be the organic waste water of a kind of complicated component, high density; in recent years; due to the raising gradually of people's standard of living; the policies and regulations of country to environment protection perfect gradually; people constantly strengthen the consciousness of environment protection; all realize Pollution abatement very important; do pollution reducing facility although there are at present a lot of enterprises to invest voluntarily; but result is also not fully up to expectations, still can not reach national wastewater discharge standard, and water resource waste seriously can not improve.
Summary of the invention
The utility model provides a kind of Sewage treatment systems, prepares industry sewage pollution and the serious problem of water waste to solve leather.
The technical solution of the utility model is, a kind of Sewage treatment systems, Sewage treatment systems comprises pretreatment system, biochemical treatment system, sludge-water separating system and advanced treatment system, and described pretreatment system comprises that oil separation grit chamber, homogeneous all measure equalizing tank, coagulative precipitation tank; Described biochemical treatment system comprises multi-stage anaerobic aerobic biochemical pool, A/O pond; Described sludge-water separating system comprises horizontal sedimentation tank, radial-flow sedimentation tank; Described advanced treatment system comprises coagulation floatation, activated carbon adsorption tank; Oil separation grit chamber is all measured equalizing tank by ditch, top and homogeneous and is connected, homogeneous is all measured equalizing tank and is connected with coagulative precipitation tank by pond inner bottom part water pump, coagulative precipitation tank is by pipeline communication multi-stage anaerobic aerobic biochemical pool, multi-stage anaerobic aerobic biochemical pool and horizontal sedimentation tank are communicated with, the outlet of horizontal sedimentation tank supernatant liquor is connected with A/O pond, A/O pond is by pipeline communication radial-flow sedimentation tank, the supernatant liquor mouth of radial-flow sedimentation tank is communicated with through pump and coagulation floatation, and overflow port and the activated carbon adsorption tank of coagulation floatation communicate.
Described homogeneous is all measured equalizing tank, comprise the aerating pipelines system of water yield equalizing tank and interior setting thereof, also comprise independently water quality regulation pond, the water-in in water quality regulation pond and water outlet are all located at top, on the water-in in water quality regulation pond, be provided with water inlet pipe, the water-in of water yield equalizing tank is arranged on top, water outlet is the coagulative precipitation tank to next stage by equalizing tank second pipe and equalizing tank water pump lifting, in water quality regulation pond, be provided with aerating pipelines system, between the water outlet in water quality regulation pond and the water-in of water yield equalizing tank, pass through equalizing tank the first pipeline communication.
The aerating pipelines system averages of establishing in described water yield equalizing tank and water quality regulation pond does not comprise an equalizing tank air inlet supervisor, at least one group of equalizing tank air intake branch of at least one equalizing tank air inlet standpipe and setting corresponding to equalizing tank air inlet standpipe, be connected with at least one equalizing tank gas blower at air inlet main pipeline initiating terminal simultaneously, between air inlet supervisor and each air inlet standpipe, be respectively equipped with equalizing tank valve, be communicated with and be provided with the frame type air intake branch group being formed by multiple air intake branches at equalizing tank air inlet standpipe end, on each equalizing tank air intake branch, be provided with some equalizing tank aeration heads, every group of equalizing tank air intake branch passes through equalizing tank stent support at pond inner bottom part, described equalizing tank air inlet standpipe has three, and the equalizing tank air intake branch corresponding with equalizing tank air inlet standpipe has three groups, and described equalizing tank gas blower has four.
Described coagulative precipitation tank, comprise bucket in coagulative precipitation tank, above coagulative precipitation tank inner bottom part water-in, be provided with column, column top outer circumference surface is provided with multiple posticums, on column top, posticum arranged outside has fairing cap, in main pond, mud scraper is installed simultaneously, the contained crossbeam of mud scraper one end is hinged on fairing cap, the other end below is provided with the road wheel contacting with ground, motor is installed on crossbeam, motor output end is connected with traction drive by transmission rig, crossbeam middle part is provided with scraper plate by web plate, scraper plate bottom surface is gapped apart from bucket internal surface, it is characterized in that: described bucket inclination angle is 30 °, described scraper plate bottom is provided with rubber stripe board, and rubber stripe board contacts with bucket internal surface, in described coagulative precipitation tank, be provided with and regulate auxiliary pond, regulate bottom, auxiliary pond to be provided with pipeline and be communicated with main pond inner bottom part water-in, regulate in auxiliary pond and be provided with aerating pipelines system.
Described aerating pipelines system comprises a coagulative precipitation tank air inlet supervisor, a coagulative precipitation tank air inlet standpipe and one group of coagulative precipitation tank air intake branch, be connected with a gas blower at coagulative precipitation tank air inlet main pipeline initiating terminal, between coagulative precipitation tank air inlet supervisor and coagulative precipitation tank air inlet standpipe, be provided with valve, be communicated with and be provided with the frame type air intake branch group being formed by multiple coagulative precipitation tank air intake branches at coagulative precipitation tank air inlet standpipe end, on each coagulative precipitation tank air intake branch, be provided with some coagulative precipitation tank aeration heads, air intake branch group is passed through coagulative precipitation tank stent support at pond inner bottom part, described column is cement post.
Described multi-stage anaerobic aerobic biochemical pool, this pond contains oxygen-starved area and aerobic zone, wherein in bottom, pond, oxygen-starved area, submersible agitator is installed, in pond, oxygen-starved area and aerobic district are provided with respectively a set of aerating pipelines system, described oxygen-starved area and aerobic zone have multistage, divide and be located in multiple corresponding strip ponds that be arranged in parallel, wherein between the oxygen-starved area in adjacent strip pond and aerobic zone, be respectively arranged with communicating aperture, adjacent two-stage oxygen-starved area and aerobic zone head and the tail are communicated with, on elementary oxygen-starved area, be provided with water inlet pipe, on final stage aerobic zone, be provided with rising pipe, this rising pipe is communicated with horizontal sedimentation tank, between final stage aerobic zone and elementary oxygen-starved area, be provided with nitrification liquid return-flow system, between horizontal sedimentation tank and elementary oxygen-starved area, be provided with sludge reflux system, described nitrification liquid return-flow system comprises following the first water pump arranging of liquid level in nitrification liquid reflux line and final stage aerobic zone, described sludge reflux system comprises following the second water pump arranging of liquid level in sludge return pipe and horizontal sedimentation tank.
Described aerating pipelines system comprises an air inlet supervisor, multiple air inlet standpipes of setting corresponding to every grade of oxygen-starved area or aerobic zone and with many groups air intake branch of the corresponding setting of air inlet standpipe, be connected with at least one gas blower at air inlet main pipeline initiating terminal simultaneously, between air inlet supervisor and each air inlet standpipe, be respectively equipped with valve, be communicated with and be provided with the frame type air intake branch group being formed by multiple air intake branches at air inlet standpipe end, on each air intake branch, be provided with at least one aeration head, every group of air intake branch by stent support at pond inner bottom part.
The invention has the beneficial effects as follows: be better than national sewage comprehensive emission standard one-level through the present invention water-quality COD≤75Mmg/l after treatment, NH3-N≤3mg/l, part is back to production, the outer row of part, reuse adopts non-tower water supply, and direct reuse is to production plant, and reclamation rate can reach 30%.
Described in coagulative precipitation tank of the present utility model, bucket inclination angle is increased to 30 ° by 10 °, and scraping in mud process, mud is being added dead weight under External Force Acting a little, is easy to from bucket surface landing to sludge sump; Add rubber stripe board in scraper plate bottom, rubber stripe board contacts with bucket internal surface, and scraping in mud process, rubber stripe board bottom can be with bucket inner surface configuration fluctuations random variation, scraper plate is contacted closely with bucket internal surface, thoroughly eliminate and scrape mud dead angle; Have additional simultaneously and regulate auxiliary pond, in the auxiliary pond of adjusting, be provided with aerating pipelines system, by throwing in coagulating agent toward regulating in auxiliary pond, regulating water quality, make mud in subsequent disposal, be difficult for floating, and reduce the load of subsequent biological treatment system, make sewage subsequent disposal become more easily simple.
Homogeneous of the present utility model is all measured equalizing tank and is comprised water yield equalizing tank and be communicated with the water quality regulation pond arranging with water yield equalizing tank, in leather sewage treating processes, the function of the balanced water quality of traditional equalizing tank and the balanced water yield is completed respectively in two different ponds bodies that mutually oppose, and the water quality regulation pond of setting up adopts full-water level operation, water yield equalizing tank adopts low water level operation, fully regulate the water quality of sewage, make water quality regulation more even, thereby save the dosage of follow-up water treatment coagulant, save the use cost of coagulating agent, and then effectively reduce the generation of follow-up water treatment sludge, significantly reduce the expense producing because of lignin-sludge, reduce the secondary pollution occurring because of mud.
The aerobic series connection biochemistry pool of multi-stage anaerobic of the present utility model comprises multi-stage anaerobic Chi Qu and the Aerobic Pond district that head and the tail series connection is communicated with, in elementary anoxic pond district, be provided with water inlet pipe, at final stage Aerobic Pond, district is provided with rising pipe, this effluent pipe mouth is communicated with horizontal sedimentation tank, between final stage Aerobic Pond district and elementary anoxic pond district, be provided with nitrification liquid return-flow system, between horizontal sedimentation tank and elementary anoxic pond district, be provided with sludge reflux system, reasonable in design, multi-stage anaerobic Chi Qu and the head and the tail series connection of Aerobic Pond district, according to water concentration and containing the difference of ammonia nitrogen amount, can select anoxic pond district and the Aerobic Pond district of different progression, and have additional nitrification liquid return-flow system and sludge reflux system, so repeatedly carry out Anoxic/Aerobic processing, denitrogenation is thorough, effect stability.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is one of structural representation of multi-stage anaerobic aerobic biochemical pool of the present utility model.
Fig. 3 is the A-A sectional structure schematic diagram of multi-stage anaerobic aerobic biochemical pool shown in Fig. 1.
Fig. 4 is the B-B sectional structure schematic diagram of multi-stage anaerobic aerobic biochemical pool shown in Fig. 1.
Fig. 5 is the water (flow) direction schematic diagram of the utility model multi-stage anaerobic aerobic biochemical pool.
Fig. 6 is the sectional structure schematic diagram of the utility model coagulative precipitation tank.
Fig. 7 is the structural representation in the auxiliary pond of adjusting of the utility model coagulative precipitation tank.
Fig. 8 is the sectional structure schematic diagram that the utility model homogeneous is all measured equalizing tank.
Fig. 9 is the plan structure schematic diagram that the utility model homogeneous is all measured equalizing tank.
Sequence number in figure: 1 is oxygen-starved area, 2 is aerobic zone, 3 is submersible agitator, 5 is water inlet pipe, 6 is rising pipe, 7 is horizontal sedimentation tank, 8 is nitrification liquid reflux line, 9 is the first water pump, 10 is sludge return pipe, 11 is the second water pump, 12 is air inlet supervisor, 13 is air inlet standpipe, 14 is air intake branch, 15 is gas blower, 16 is valve, 17 is aeration head, 18 is support, 19 is communicating aperture, 21 is oil separation grit chamber, 22 all measure equalizing tank for homogeneous, 23 is coagulative precipitation tank, 24 is multi-stage anaerobic aerobic biochemical pool, 26 is A/O pond, 27 is radial-flow sedimentation tank, 28 is coagulation floatation, 29 is activated carbon adsorption tank, 41 is bucket, 42 is column, 44 is fairing cap, 45 is crossbeam, 48 is web plate, 51 for regulating auxiliary pond, 52 is pipeline, 56 is coagulative precipitation tank air inlet supervisor, 57 is coagulative precipitation tank air inlet standpipe, 58 is coagulative precipitation tank air intake branch, 61 is coagulative precipitation tank aeration head, 62 is coagulative precipitation tank support, 71 is water yield equalizing tank, 72 is water quality regulation pond, 73 is equalizing tank air inlet supervisor, 74 is equalizing tank air inlet standpipe, 75 is equalizing tank air intake branch, 76 is equalizing tank gas blower, 77 is equalizing tank valve, 78 is equalizing tank aeration head, 79 is equalizing tank support, 80 is equalizing tank the first pipeline, 81 is equalizing tank water inlet pipe, 82 is equalizing tank second pipe, 83 is equalizing tank water pump.
Embodiment
Sewage treatment systems comprises pretreatment system, biochemical treatment system, sludge-water separating system and advanced treatment system, and described pretreatment system comprises that oil separation grit chamber 21, homogeneous all measure equalizing tank 22, coagulative precipitation tank 23, described biochemical treatment system comprises multi-stage anaerobic aerobic biochemical pool 24, A/O pond 26, described sludge-water separating system comprises horizontal sedimentation tank 7, radial-flow sedimentation tank 27, described advanced treatment system comprises coagulation floatation 28, activated carbon adsorption tank 29, oil separation grit chamber 21 is all measured equalizing tank 22 by ditch, top and homogeneous and is connected, homogeneous is all measured equalizing tank 22 and is connected with coagulative precipitation tank 23 by pond inner bottom part water pump, coagulative precipitation tank 23 is by pipeline communication multi-stage anaerobic aerobic biochemical pool 24, multi-stage anaerobic aerobic biochemical pool 24 is communicated with by hole on pool wall and horizontal sedimentation tank 7, horizontal sedimentation tank 7 supernatant liquor outlets are connected with A/O pond 26, A/O pond 26 is by pipeline communication radial-flow sedimentation tank 27, the supernatant liquor mouth of radial-flow sedimentation tank 27 is communicated with through pump and coagulation floatation 28, the overflow port of coagulation floatation 28 and activated carbon adsorption tank 29 communicate.
Described homogeneous is all measured equalizing tank 22, comprise the aerating pipelines system of water yield equalizing tank 71 and interior setting thereof, also comprise independently water quality regulation pond 72, the water-in in water quality regulation pond 72 and water outlet are all located at top, on the water-in in water quality regulation pond, be provided with water inlet pipe 81, the water-in of water yield equalizing tank 71 is arranged on top, water outlet is promoted to the coagulative precipitation tank of next stage by equalizing tank second pipe 82 and equalizing tank water pump 83, in water quality regulation pond, be provided with aerating pipelines system, between the water-in of the water outlet in water quality regulation pond 72 and water yield equalizing tank 71, be communicated with by equalizing tank the first pipeline 80.
The aerating pipelines system averages of establishing in described water yield equalizing tank 71 and water quality regulation pond 72 does not comprise an equalizing tank air inlet supervisor 73, at least one group of equalizing tank air intake branch 75 of at least one equalizing tank air inlet standpipe 74 and setting corresponding to equalizing tank air inlet standpipe 74, be connected with at least one equalizing tank gas blower 76 at air inlet main pipeline initiating terminal simultaneously, between air inlet supervisor and each air inlet standpipe, be respectively equipped with equalizing tank valve 77, be communicated with and be provided with the frame type air intake branch group being formed by multiple air intake branches at equalizing tank air inlet standpipe 74 ends, on each equalizing tank air intake branch 75, be provided with some equalizing tank aeration heads 78, every group of equalizing tank air intake branch 75 is supported on pond inner bottom part by equalizing tank support 79, described equalizing tank air inlet standpipe 74 has three, and the equalizing tank air intake branch 75 corresponding with equalizing tank air inlet standpipe 74 has three groups, and described equalizing tank gas blower 76 has four.
Described coagulative precipitation tank 23, comprise the interior bucket 41 of coagulative precipitation tank 23, above coagulative precipitation tank inner bottom part water-in, be provided with column 42, column 42 top outer circumference surfaces are provided with multiple posticums, on column 42 tops, posticum arranged outside has fairing cap 44, in main pond, mud scraper is installed simultaneously, the contained crossbeam of mud scraper one end is hinged on fairing cap 44, the other end below is provided with the road wheel contacting with ground, on crossbeam 45, motor is installed, motor output end is connected with traction drive by transmission rig, crossbeam 45 middle parts are provided with scraper plate by web plate 48, scraper plate bottom surface is gapped apart from bucket 41 internal surfaces, described bucket 41 inclination alpha are 30 °, described scraper plate bottom is provided with rubber stripe board, and rubber stripe board contacts with bucket 41 internal surfaces, in described coagulative precipitation tank 23, be provided with and regulate auxiliary pond 51, regulate 51 bottoms, auxiliary pond to be provided with pipeline 52 and be communicated with main pond inner bottom part water-in, regulate in auxiliary pond and be provided with aerating pipelines system,
Described described aerating pipelines system comprises a coagulative precipitation tank air inlet supervisor 56, a coagulative precipitation tank air inlet standpipe 57 and one group of coagulative precipitation tank air intake branch 58, be responsible for 56 initiating terminals in coagulative precipitation tank air inlet and be connected with a gas blower, between coagulative precipitation tank air inlet supervisor 56 and coagulative precipitation tank air inlet standpipe 57, be provided with valve, be communicated with and be provided with the frame type air intake branch group being formed by multiple coagulative precipitation tank air intake branches at coagulative precipitation tank air inlet standpipe end, on each coagulative precipitation tank air intake branch, be provided with some coagulative precipitation tank aeration heads 61, air intake branch group is supported on pond inner bottom part by coagulative precipitation tank support 62, described column 42 is cement post,
Described multi-stage anaerobic aerobic biochemical pool, pond contains oxygen-starved area 1 and aerobic zone 2, in bottom, pond, oxygen-starved area, submersible agitator 3 is installed, in pond, oxygen-starved area and aerobic district are provided with respectively a set of aerating pipelines system, described oxygen-starved area and aerobic zone are provided with level Four, divide and be located in four corresponding strip ponds that be arranged in parallel, wherein between the oxygen-starved area in adjacent strip pond and aerobic zone, be respectively arranged with communicating aperture 19, adjacent two-stage oxygen-starved area and aerobic zone head and the tail are communicated with, on elementary oxygen-starved area, be provided with water inlet pipe 5, on final stage aerobic zone, be provided with rising pipe 6, this rising pipe is communicated with horizontal sedimentation tank 7, between final stage aerobic zone and elementary oxygen-starved area, be provided with nitrification liquid return-flow system, between horizontal sedimentation tank 7 and elementary oxygen-starved area, be provided with sludge reflux system.
Described nitrification liquid return-flow system comprises following the first water pump 9 arranging of liquid level in nitrification liquid reflux line 8 and final stage aerobic zone.
Described sludge reflux system comprises following the second water pump 11 arranging of liquid level in sludge return pipe 10 and horizontal sedimentation tank.
Described aerating pipelines system comprises an air inlet supervisor 12, correspondingly with every grade of oxygen-starved area or aerobic zone be provided with four air inlet standpipes 13 and be provided with four groups of air intake branches 14 with air inlet standpipe is corresponding, be connected with four gas blowers 15 at air inlet main pipeline initiating terminal simultaneously, between air inlet supervisor and each air inlet standpipe, be respectively equipped with valve 16, be communicated with and be provided with the frame type air intake branch group being formed by five air intake branches at air inlet standpipe end, on each air intake branch, be provided with at least one aeration head 17, every group of air intake branch is supported on pond inner bottom part by support 18.
The foregoing is only the schematic embodiment of the utility model; not in order to limit the scope of the utility model embodiment; any those skilled in the art, not departing from equivalent variations and the amendment made under the prerequisite of design of the present invention and principle, all should belong to the scope of protection of the invention.
Claims (7)
1. a Sewage treatment systems, is characterized in that, Sewage treatment systems comprises pretreatment system, biochemical treatment system, sludge-water separating system and advanced treatment system, and described pretreatment system comprises that oil separation grit chamber, homogeneous all measure equalizing tank, coagulative precipitation tank; Described biochemical treatment system comprises multi-stage anaerobic aerobic biochemical pool, A/O pond; Described sludge-water separating system comprises horizontal sedimentation tank, radial-flow sedimentation tank; Described advanced treatment system comprises coagulation floatation, activated carbon adsorption tank; Oil separation grit chamber is all measured equalizing tank by ditch, top and homogeneous and is connected, homogeneous is all measured equalizing tank and is connected with coagulative precipitation tank by pond inner bottom part water pump, coagulative precipitation tank is by pipeline communication multi-stage anaerobic aerobic biochemical pool, multi-stage anaerobic aerobic biochemical pool and horizontal sedimentation tank are communicated with, the outlet of horizontal sedimentation tank supernatant liquor is connected with A/O pond, A/O pond is by pipeline communication radial-flow sedimentation tank, the supernatant liquor mouth of radial-flow sedimentation tank is communicated with through pump and coagulation floatation, and overflow port and the activated carbon adsorption tank of coagulation floatation communicate.
2. Sewage treatment systems according to claim 1, it is characterized in that, described homogeneous is all measured equalizing tank, comprise the aerating pipelines system of water yield equalizing tank and interior setting thereof, also comprise independently water quality regulation pond, the water-in in water quality regulation pond and water outlet are all located at top, on the water-in in water quality regulation pond, be provided with water inlet pipe, the water-in of water yield equalizing tank is arranged on top, water outlet is the coagulative precipitation tank to next stage by equalizing tank second pipe and equalizing tank water pump lifting, in water quality regulation pond, be provided with aerating pipelines system, between the water-in of the water outlet in water quality regulation pond and water yield equalizing tank, pass through equalizing tank the first pipeline communication.
3. Sewage treatment systems according to claim 2, it is characterized in that: the aerating pipelines system averages of establishing in described water yield equalizing tank and water quality regulation pond does not comprise an equalizing tank air inlet supervisor, at least one group of equalizing tank air intake branch of at least one equalizing tank air inlet standpipe and setting corresponding to equalizing tank air inlet standpipe, be connected with at least one equalizing tank gas blower at air inlet main pipeline initiating terminal simultaneously, between air inlet supervisor and each air inlet standpipe, be respectively equipped with equalizing tank valve, be communicated with and be provided with the frame type air intake branch group being formed by multiple air intake branches at equalizing tank air inlet standpipe end, on each equalizing tank air intake branch, be provided with some equalizing tank aeration heads, every group of equalizing tank air intake branch passes through equalizing tank stent support at pond inner bottom part, described equalizing tank air inlet standpipe has three, and the equalizing tank air intake branch corresponding with equalizing tank air inlet standpipe has three groups, and described equalizing tank gas blower has four.
4. Sewage treatment systems according to claim 1, it is characterized in that, described coagulative precipitation tank, comprise bucket in coagulative precipitation tank, above coagulative precipitation tank inner bottom part water-in, be provided with column, column top outer circumference surface is provided with multiple posticums, on column top, posticum arranged outside has fairing cap, in main pond, mud scraper is installed simultaneously, the contained crossbeam of mud scraper one end is hinged on fairing cap, the other end below is provided with the road wheel contacting with ground, motor is installed on crossbeam, motor output end is connected with traction drive by transmission rig, crossbeam middle part is provided with scraper plate by web plate, scraper plate bottom surface is gapped apart from bucket internal surface, it is characterized in that: described bucket inclination angle is 30 °, described scraper plate bottom is provided with rubber stripe board, and rubber stripe board contacts with bucket internal surface, in described coagulative precipitation tank, be provided with and regulate auxiliary pond, regulate bottom, auxiliary pond to be provided with pipeline and be communicated with main pond inner bottom part water-in, regulate in auxiliary pond and be provided with aerating pipelines system.
5. described Sewage treatment systems according to claim 4, it is characterized in that, described described aerating pipelines system comprises a coagulative precipitation tank air inlet supervisor, a coagulative precipitation tank air inlet standpipe and one group of coagulative precipitation tank air intake branch, be connected with a gas blower at coagulative precipitation tank air inlet main pipeline initiating terminal, between coagulative precipitation tank air inlet supervisor and coagulative precipitation tank air inlet standpipe, be provided with valve, be communicated with and be provided with the frame type air intake branch group being formed by multiple coagulative precipitation tank air intake branches at coagulative precipitation tank air inlet standpipe end, on each coagulative precipitation tank air intake branch, be provided with some coagulative precipitation tank aeration heads, air intake branch group is passed through coagulative precipitation tank stent support at pond inner bottom part, described column is cement post.
6. Sewage treatment systems according to claim 1, it is characterized in that, described multi-stage anaerobic aerobic biochemical pool, this pond contains oxygen-starved area and aerobic zone, wherein in bottom, pond, oxygen-starved area, submersible agitator is installed, in pond, oxygen-starved area and aerobic district are provided with respectively a set of aerating pipelines system, described oxygen-starved area and aerobic zone have multistage, divide and be located in multiple corresponding strip ponds that be arranged in parallel, wherein between the oxygen-starved area in adjacent strip pond and aerobic zone, be respectively arranged with communicating aperture, adjacent two-stage oxygen-starved area and aerobic zone head and the tail are communicated with, on elementary oxygen-starved area, be provided with water inlet pipe, on final stage aerobic zone, be provided with rising pipe, this rising pipe is communicated with horizontal sedimentation tank, between final stage aerobic zone and elementary oxygen-starved area, be provided with nitrification liquid return-flow system, between horizontal sedimentation tank and elementary oxygen-starved area, be provided with sludge reflux system, described nitrification liquid return-flow system comprises following the first water pump arranging of liquid level in nitrification liquid reflux line and final stage aerobic zone, described sludge reflux system comprises following the second water pump arranging of liquid level in sludge return pipe and horizontal sedimentation tank.
7. Sewage treatment systems according to claim 6, it is characterized in that, described aerating pipelines system comprises an air inlet supervisor, multiple air inlet standpipes of setting corresponding to every grade of oxygen-starved area or aerobic zone and with many groups air intake branch of the corresponding setting of air inlet standpipe, be connected with at least one gas blower at air inlet main pipeline initiating terminal simultaneously, between air inlet supervisor and each air inlet standpipe, be respectively equipped with valve, be communicated with and be provided with the frame type air intake branch group being formed by multiple air intake branches at air inlet standpipe end, on each air intake branch, be provided with at least one aeration head, every group of air intake branch by stent support at pond inner bottom part.
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CN201420050077.5U CN203741182U (en) | 2014-01-26 | 2014-01-26 | Sewage treatment system |
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CN201420050077.5U CN203741182U (en) | 2014-01-26 | 2014-01-26 | Sewage treatment system |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103787550A (en) * | 2014-01-26 | 2014-05-14 | 河南迪诺环保科技股份有限公司 | Sewage treatment system |
CN105174424A (en) * | 2015-09-21 | 2015-12-23 | 河南迪诺环保科技股份有限公司 | Industrial wastewater plasma pretreatment system and industrial wastewater pretreatment method |
-
2014
- 2014-01-26 CN CN201420050077.5U patent/CN203741182U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103787550A (en) * | 2014-01-26 | 2014-05-14 | 河南迪诺环保科技股份有限公司 | Sewage treatment system |
CN103787550B (en) * | 2014-01-26 | 2015-10-07 | 河南迪诺环保科技股份有限公司 | Sewage treatment systems |
CN105174424A (en) * | 2015-09-21 | 2015-12-23 | 河南迪诺环保科技股份有限公司 | Industrial wastewater plasma pretreatment system and industrial wastewater pretreatment method |
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Granted publication date: 20140730 Termination date: 20170126 |