CN202766378U - Two-stage advanced nitrogen and phosphorus synchronous removal device for sewage - Google Patents

Two-stage advanced nitrogen and phosphorus synchronous removal device for sewage Download PDF

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Publication number
CN202766378U
CN202766378U CN 201220481570 CN201220481570U CN202766378U CN 202766378 U CN202766378 U CN 202766378U CN 201220481570 CN201220481570 CN 201220481570 CN 201220481570 U CN201220481570 U CN 201220481570U CN 202766378 U CN202766378 U CN 202766378U
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China
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micro cell
cell
pipe
sewage
mixing pit
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Expired - Fee Related
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CN 201220481570
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Chinese (zh)
Inventor
万震
许乐其
申凯
魏驰原
萨日娜
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Nanjing University of Information Science and Technology
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Nanjing University of Information Science and Technology
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Abstract

The utility model provides a two-stage advanced nitrogen and phosphorus synchronous removal device for sewage, and relates to the field of environmental manipulation. The two-stage advanced nitrogen and phosphorus synchronous removal device for sewage comprises a first microelectrolysis cell, a mixing cell and a settling cell communicated sequentially. A water inlet pipe is connected to one side wall of the first microelectrolysis cell, a ferric-carbon layer is arranged in the first microelectrolysis cell, a tubular aeration device is arranged at the bottom of the first microelectrolysis cell, an exhaust pipe is arranged at the top of the first microelectrolysis cell, a pH(potential of hydrogen) regulating pipe is connected to one side wall of the mixing cell, a sludge pipe is connected to the bottom of the settling cell, and a water outlet pipe is connected to one side wall of the settling cell. The two-stage advanced nitrogen and phosphorus synchronous removal device is novel in structure, small in floor area, good and quick in water dispensing, capable of realizing advanced nitrogen and phosphorus removal for sewage sufficiently to enable water outflow to meet new national and local standards and capable of purifying impurities such as BOD5, COD and grains and the like, and accordingly has good application and development prospects.

Description

B-grade sewage degree of depth synchronous denitrification dephosphorizing device
Technical field
The utility model relates to the environmental treatment field, is specifically related to a kind of B-grade sewage degree of depth synchronous denitrification dephosphorizing device.
Background technology
At present, domestic and international known advanced nitrogen dephosphorization process has biochemical synchronization denitrogenation dephosphorizing method, chemical denitrogenation dephosphorizing, membrane treatment process etc.Wherein the water outlet of biochemical synchronization denitrogenation dephosphorizing method is difficult to reach the effluent index of national new standard, and if advanced treatment, there are the shortcomings such as the sewage hydraulic detention time is long, sludge quantity is large, working cost is large.Although and chemical dephosphorization technique phosphor-removing effect is better, but the poor processing effect to nitrate nitrogen, there are the shortcomings such as technical process is long, floor space is large, investment cost is high, make its application in shortage of land resource area and existing sewage work improvement project be subject to great restriction.Membrane treatment process is not yet promoted the use of in China because of problems such as the high and easy pollutions of film cost.
The utility model content
The shortcoming such as long for the residence time that overcomes existing advanced nitrogen dephosphorization process, that sludge quantity is large, working cost is large, the utility model provides a kind of B-grade sewage degree of depth synchronous denitrification dephosphorizing device, this device not only can have preferably synchronously advanced nitrogen phosphor-removing effect, also can to effects such as the BOD5 in the sewage, COD, solid granulates, produce cleaning action.
The purpose of this utility model adopts following technical scheme to realize:
B-grade sewage degree of depth synchronous denitrification dephosphorizing device comprises the first micro cell, mixing pit and the settling tank that communicate successively; Described the first micro cell sidewall is connected with water inlet pipe, is provided with in this first micro cell that iron charcoal layer, bottom are provided with the tubular type aerating apparatus, the top is provided with vapor pipe; Be provided with in the described mixing pit that mechanical stirring device, bottom are provided with the tubular type aerating apparatus, the top is provided with vapor pipe, the sidewall of described mixing pit is connected with the pH regulator pipe; The bottom of described settling tank is connected with sludge pipe, sidewall is connected with rising pipe.
Be provided with the second micro cell between described the first micro cell and the mixing pit, communicate successively between described the first micro cell, the second micro cell and the mixing pit, be provided with in described the second micro cell that iron charcoal layer, bottom are provided with the tubular type aerating apparatus, the top is provided with vapor pipe.
Be provided with the vermiculite adsorption tank between described the first micro cell and the second micro cell, communicate successively between described the first micro cell, vermiculite adsorption tank and the second micro cell, be provided with the vermiculite adsorption layer in the described vermiculite adsorption tank.
Communicate by overflow port between described vermiculite adsorption tank and the second micro cell.
Communicate by overflow port between described mixing pit and the settling tank.
The beneficial effects of the utility model are as follows:
(1) carries out aeration reinforcing by the tubular type aerating apparatus, promote the redox reaction current potential, can improve speed of reaction and the denitration transformation efficiency of the little electrolysis of iron charcoal.
(2) vermiculite layers to a certain amount of ammonia nitrogen of ammonia nitrogen absorption after, promote nitric nitrogen to the balance of mineralized nitrogen, can improve the denitration transformation efficiency.Carry out synchronously stripping and coagulation in the mixing pit.
(3) adopt the multistage micro cell, carry out the denitration of secondary iron charcoal, promote the denitration transformation efficiency.
(4) produce a large amount of iron ions in the denitration of iron charcoal, and the phosphorus containg substances generation polymerization in the sewage, in settling tank, precipitate, reach the effect of synchronous dephosphorization.
(5) the utility model B-grade sewage degree of depth synchronous denitrification dephosphorizing device, novel structure, floor space is little, outlet effect good, speed is fast, and can fully reach the purpose of advanced nitrogen dephosphorization to sewage, all can reach country, local water outlet new standard, BOD5 in the water, COD, granule foreign etc. are also had certain cleaning action, have larger application development prospect.
Description of drawings
Fig. 1 is setting drawing of the present utility model, 1-water inlet pipe wherein, 2-iron charcoal layer, 3-tubular type aerating apparatus, 4-vapor pipe, 5-vermiculite adsorption layer, the 6-pH adjustable pipe, 7-mechanical stirring device, 8-sludge pipe, the 9-rising pipe, 10-the first micro cell, 11-vermiculite adsorption tank, 12-the second micro cell, the 13-mixing pit, 14-settling tank, 15-overflow port.
8, embodiment
The utility model B-grade sewage degree of depth synchronous denitrification dephosphorizing device comprises the first micro cell 10, mixing pit 13 and the settling tank 14 that communicate successively; Described the first micro cell 10 sidewalls are connected with water inlet pipe 1, are provided with in this first micro cell 10 that iron charcoal layer 2, bottom are provided with tubular type aerating apparatus 3, the top is provided with vapor pipe 4; Be provided with in the described mixing pit 13 that mechanical stirring device 7, bottom are provided with tubular type aerating apparatus 3, the top is provided with vapor pipe 4, the sidewall of described mixing pit 13 is connected with pH regulator pipe 6; The bottom of described settling tank 14 is connected with sludge pipe 8, sidewall is connected with rising pipe 9.
Be provided with the second micro cell 12 between described the first micro cell 10 and the mixing pit 13, communicate successively between described the first micro cell 10, the second micro cell 12 and the mixing pit 13, be provided with in described the second micro cell 12 that iron charcoal layer 2, bottom are provided with tubular type aerating apparatus 3, the top is provided with vapor pipe 4.
Be provided with vermiculite adsorption tank 11 between described the first micro cell 10 and the second micro cell 12, communicate successively between described the first micro cell 10, vermiculite adsorption tank 11 and the second micro cell 12, be provided with vermiculite adsorption layer 5 in the described vermiculite adsorption tank 11.
Communicate by overflow port 15 between described vermiculite adsorption tank 11 and the second micro cell 12.
Communicate by overflow port 15 between described mixing pit 13 and the settling tank 14.
Sewage is injected the first micro cell 10 from water inlet pipe 1, and by iron charcoal layer 2, tubular type aerating apparatus 3 carries out enhanced aeration, and unnecessary gas is discharged by vapor pipe 4.Sewage enters vermiculite adsorption tank 11 after by the first micro cell 10, by vermiculite adsorption layer 5, enters the second micro cell 12 in the overflow mode again, and by iron charcoal layer 2, tubular type aerating apparatus 3 carries out enhanced aeration.Then enter mixing pit 13, carry out pH regulator by 6 pairs of sewage of pH regulator pipe, tubular type aerating apparatus 3 carries out aeration stripping, medicament mixing, coagulation, and mechanical stirring device 7 carries out simultaneously coagulation and stirs.Last sewage enters settling tank 14 in the overflow mode, and mud precipitates in settling tank by sludge pipe 8 discharges, and supernatant liquid is discharged by rising pipe 9.This treating processes is the complete process flow of B-grade sewage synchronous denitrification dephosphorizing device.

Claims (5)

1. B-grade sewage degree of depth synchronous denitrification dephosphorizing device is characterized in that: comprise the first micro cell, mixing pit and the settling tank that communicate successively;
Described the first micro cell sidewall is connected with water inlet pipe, is provided with in this first micro cell that iron charcoal layer, bottom are provided with the tubular type aerating apparatus, the top is provided with vapor pipe;
Be provided with in the described mixing pit that mechanical stirring device, bottom are provided with the tubular type aerating apparatus, the top is provided with vapor pipe, the sidewall of described mixing pit is connected with the pH regulator pipe;
The bottom of described settling tank is connected with sludge pipe, sidewall is connected with rising pipe.
2. described B-grade sewage degree of depth synchronous denitrification dephosphorizing device according to claim 1, it is characterized in that: be provided with the second micro cell between described the first micro cell and the mixing pit, communicate successively between described the first micro cell, the second micro cell and the mixing pit, be provided with in described the second micro cell that iron charcoal layer, bottom are provided with the tubular type aerating apparatus, the top is provided with vapor pipe.
3. described B-grade sewage degree of depth synchronous denitrification dephosphorizing device according to claim 1 and 2, it is characterized in that: be provided with the vermiculite adsorption tank between described the first micro cell and the second micro cell, communicate successively between described the first micro cell, vermiculite adsorption tank and the second micro cell, be provided with the vermiculite adsorption layer in the described vermiculite adsorption tank.
4. described B-grade sewage degree of depth synchronous denitrification dephosphorizing device according to claim 3 is characterized in that: communicate by overflow port between described vermiculite adsorption tank and the second micro cell.
5. described B-grade sewage degree of depth synchronous denitrification dephosphorizing device according to claim 4 is characterized in that: communicate by overflow port between described mixing pit and the settling tank.
CN 201220481570 2012-09-20 2012-09-20 Two-stage advanced nitrogen and phosphorus synchronous removal device for sewage Expired - Fee Related CN202766378U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103193341A (en) * 2013-04-19 2013-07-10 南京信息工程大学 Advanced treatment method for synchronous denitrification and dephosphorization of secondary biochemical effluent
CN103265147A (en) * 2013-05-28 2013-08-28 浩蓝环保股份有限公司 Nitrogen and phosphorus removal sewage treatment device
CN103771635A (en) * 2014-01-16 2014-05-07 河海大学 Small-size anion dye wastewater treatment device
CN104529068A (en) * 2014-12-17 2015-04-22 卓勒(上海)环境工程有限公司 Low-energy-consumption sustainable sewage treatment system

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103193341A (en) * 2013-04-19 2013-07-10 南京信息工程大学 Advanced treatment method for synchronous denitrification and dephosphorization of secondary biochemical effluent
CN103265147A (en) * 2013-05-28 2013-08-28 浩蓝环保股份有限公司 Nitrogen and phosphorus removal sewage treatment device
CN103265147B (en) * 2013-05-28 2014-12-31 浩蓝环保股份有限公司 Nitrogen and phosphorus removal sewage treatment device
CN103771635A (en) * 2014-01-16 2014-05-07 河海大学 Small-size anion dye wastewater treatment device
CN103771635B (en) * 2014-01-16 2015-08-19 河海大学 A kind of small-sized anionic dye waste water treatment unit
CN104529068A (en) * 2014-12-17 2015-04-22 卓勒(上海)环境工程有限公司 Low-energy-consumption sustainable sewage treatment system

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130306

Termination date: 20140920

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