CN101549935A - Multi-stage vertical cyclic process and equipment of sewage water intensification denitrification - Google Patents
Multi-stage vertical cyclic process and equipment of sewage water intensification denitrification Download PDFInfo
- Publication number
- CN101549935A CN101549935A CNA2009100621947A CN200910062194A CN101549935A CN 101549935 A CN101549935 A CN 101549935A CN A2009100621947 A CNA2009100621947 A CN A2009100621947A CN 200910062194 A CN200910062194 A CN 200910062194A CN 101549935 A CN101549935 A CN 101549935A
- Authority
- CN
- China
- Prior art keywords
- stage
- loop reactor
- vertical loop
- water
- vertical
- 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.)
- Pending
Links
Images
Landscapes
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The present invention provides a multi-stage vertical cyclic process and an equipment of sewage water intensification denitrification. The equipment includes: a single-stage vertical cyclic type reactor (1) or a water outlet of the multi-stage vertical cyclic type reactor connects with a twice deposition pool (4) through pipeline, the twice deposition pool (4) also connects with a water outlet pipe (5), a return sludge flow pipe (6) and a sludge discharge pipe (8), an outlet of the return sludge flow pipe (6) connects with the single-stage vertical cyclic type reactor (1) or a water return port of a first-stage vertical cyclic reactor of the multi-stage vertical cyclic reactor. The process and the equipment have advantages that hierarchical and multi-point water inlet can utilize resource efficiently and increase denitrification effect; each stage reactor realizes anoxia and aerobic vertical cyclic without miscible liquids circulation reflux device and stirring device with convenient operation management; the structures and equipment is simple for reducing constructing cost, energy consumption in unit sewage water amount is reduced; each stage reactor can be formed in multi-format of a same reacting pool for realizing integrated of the multi-stage vertical cyclic strengthening denitrification reactor.
Description
Technical field
The present invention relates to technical field of sewage, specifically a kind of multi-stage vertical cyclic process of sewage water intensification denitrification and equipment.
Background technology
Along with the aggravation that The development in society and economy and water pollute, the improvement of water surrounding and protection more and more are subject to people's attention.The municipal effluent denitride technology is one of focus of current water pollution control area research; China's municipal effluent in a big way in C/N lower; the denitrogenation of reinforced low-carbon nitrogen ratio sewage, the concentration of nitrogen has crucial meaning to the protection water surrounding in the reduction Sewage Plant tail water.
The single-stage anoxic of Prepositive denitrification/aerobic (A/O) technology is the main flow technology of current denitrogenation, nitrogen there is removal effect preferably, but still have following problem: (1) is because nitration reaction A reactor in the end, the mixed solution internal reflux is also from the last step reactor, and nitrate concentration is generally higher in the water outlet; (2) this technology is to be the denitrification system of carbon source with the endogenous metabolism material, for low carbon source urban sewage, adopts single-stage A/O denitrification process still to be unfavorable for limited carbon source making full use of in denitrification process; (3) the A/O denitrification process that adopts at present generally adopts anoxic pond and the horizontally disposed form of Aerobic Pond, and mixed solution need adopt the pump internal reflux, and working cost is higher.
Summary of the invention
The objective of the invention is to develop that a kind of construction cost energy consumption low, that handle the unit sewage quantity is low, operation and maintenance cost is low, use that land resources is few, the concentration that reduces nitrogen in the sewage effluents, multi-stage vertical cyclic process and the equipment that promotes the sewage water intensification denitrification of water quality.
The multi-stage vertical cyclic process of sewage water intensification denitrification of the present invention, its step is as follows:
1, the sewage branch enters multi-stage vertical loop reactor bottom, and vertical loop reactor bosoms at different levels are provided with a dividing plate 3;
2, the mechanical aeration plug-flow equipment 7 on vertical recirculation reactor at different levels top plays the effect of aeration and plug-flow simultaneously, makes the top of dividing plate 3 form aerobic zone, and the oxygen-starved area is formed at the bottom of dividing plate 3;
3, mixed solution circulates denitrogenation successively in the multi-stage vertical loop reactor, enters second pond 4 by the water outlet of the vertical loop reactor of last step and precipitates;
4, second pond 4 water outlets after will handling are discharged through rising pipe 5;
5, the sludge part in the second pond 4 is pumped in the water return outlet of the vertical loop reactor of the first step through mud return line 6, excess sludge is discharged through shore pipe 8.
Multi-stage vertical loop reactor described in the aforementioned technology, for the vertical loop reactor 1 of a plurality of single-stages is in series, or vertical loop reactor 1 separate operaton of single-stage.
The multi-stage vertical recycle unit of sewage water intensification denitrification of the present invention, comprise: the water outlet of vertical loop reactor 1 of single-stage or multi-stage vertical loop reactor links to each other with second pond 4 by pipeline, second pond 4 also links to each other with rising pipe 5, mud return line 6, shore pipe 8, and the outlet of mud return line 6 links to each other with the water return outlet of the vertical loop reactor of the first step of vertical loop reactor 1 of single-stage or multi-stage vertical loop reactor.
The vertical loop reactor 1 of single-stage comprises: be provided with a dividing plate 3 in the middle of the casing, box house, mechanical aeration plug-flow equipment 7 is equipped with at the casing top, and bottom half has water-in, and top one side has water outlet, and casing top also has water return outlet.
The multi-stage vertical loop reactor, be vertical loop reactor 1 series connection of a plurality of single-stages, the lateral opening of vertical loop reactor 1 side water outlet of single-stage and the adjacent vertical loop reactor 1 of single-stage interconnects, water inlet pipe 2 links to each other with vertical loop reactor 1 lower water inlet of single-stage respectively, has water return outlet on the vertical loop reactor of the first step.
Described mechanical aeration plug-flow equipment 7, YBP1500-T type plate-spinning aerator for the production and sales of Jiangsu Yiyang Water Industry Co., Ltd., Yixing City, and this factory produces the equipment of this type of multiple model, chooses the equipment of different model according to the size of needs of the present invention, capacity.
The multi-stage vertical cyclic process of sewage water intensification denitrification of the present invention and the advantage of equipment are: classification, multipoint water feeding, effectively utilize carbon source, and improve denitrification effect, reduce the concentration of nitrogen in the sewage effluents, promote water quality; Realize anoxic, aerobic vertical circulation in each stage reactor, need not the mixed-liquor return facility and stir facility that operational management is convenient; Structures and equipment are simple, reducing the construction costs; Reduce the energy consumption of unit sewage quantity; Each stage reactor can form in the many lattice in the reaction tank, realizes the integrated of multi-stage vertical circulation strengthened denitrification reactor.
Description of drawings
Fig. 1 is the structural representation of the multi-stage vertical recycle unit of sewage water intensification denitrification.
Embodiment
Embodiment one
A kind of multi-stage vertical cyclic process of sewage water intensification denitrification, its step is as follows:
1, the sewage branch enters multi-stage vertical loop reactor bottom, and vertical loop reactor bosoms at different levels are provided with a dividing plate 3;
2, the mechanical aeration plug-flow equipment 7 on vertical recirculation reactor at different levels top plays the effect of aeration and plug-flow simultaneously, makes the top of dividing plate 3 form aerobic zone, and the oxygen-starved area is formed at the bottom of dividing plate 3;
3, mixed solution circulates denitrogenation successively in the multi-stage vertical loop reactor, enters second pond 4 by the water outlet of the vertical loop reactor of last step and precipitates;
4, second pond 4 water outlets after will handling are discharged through rising pipe 5;
5, the sludge part in the second pond 4 is pumped in the water return outlet of the vertical loop reactor of the first step through mud return line 6, excess sludge is discharged through shore pipe 8.
Embodiment two
A kind of multi-stage vertical cyclic process of sewage water intensification denitrification, its step is as follows:
1, sewage enters the vertical loop reactor of single-stage 1 bottom, and vertical loop reactor 1 bosom of single-stage is provided with a dividing plate 3;
2, the mechanical aeration plug-flow equipment 7 on the vertical recirculation reactor of single-stage top plays the effect of aeration and plug-flow simultaneously, makes the top of dividing plate 3 form aerobic zone, and the oxygen-starved area is formed at the bottom of dividing plate 3;
3, mixed solution circulates denitrogenation in the vertical loop reactor 1 of single-stage, enters second pond 4 by the water outlet of the vertical loop reactor 1 of single-stage and precipitates;
4, second pond 4 water outlets after will handling are discharged through rising pipe 5;
5, the sludge part in the second pond 4 is pumped in the water return outlet of the vertical loop reactor 1 of single-stage through mud return line 6, excess sludge is discharged through shore pipe 8.
Embodiment three
A kind of multi-stage vertical recycle unit of sewage water intensification denitrification, comprise: the vertical loop reactor 1 of single-stage, comprise: casing, be provided with a dividing plate 3 in the middle of the box house, mechanical aeration plug-flow equipment 7 is equipped with at the casing top, bottom half has water-in, and top one side has water outlet, and casing top also has water return outlet; The water outlet of the vertical loop reactor 1 of single-stage links to each other with second pond 4 by pipeline, and second pond 4 also links to each other with rising pipe 5, mud return line 6, shore pipe 8, and the outlet of mud return line 6 links to each other with the water return outlet of the vertical loop reactor 1 of single-stage.
Embodiment four
According to shown in Figure 1, a kind of multi-stage vertical recycle unit of sewage water intensification denitrification, comprise: the water outlet of multi-stage vertical loop reactor links to each other with second pond 4 by pipeline, second pond 4 also links to each other with rising pipe 5, mud return line 6, shore pipe 8, and the water return outlet of the vertical loop reactor of the first step of the outlet of mud return line 6 and multi-stage vertical loop reactor links to each other.
The multi-stage vertical loop reactor, be vertical loop reactor 1 series connection of a plurality of single-stages, the lateral opening of vertical loop reactor 1 side water outlet of single-stage and the adjacent vertical loop reactor 1 of single-stage interconnects, water inlet pipe 2 links to each other with vertical loop reactor 1 lower water inlet of single-stage respectively, has water return outlet on the vertical loop reactor of the first step.
Claims (5)
1, a kind of multi-stage vertical cyclic process of sewage water intensification denitrification is characterized in that: its step is as follows:
1. the sewage branch enters multi-stage vertical loop reactor bottom, and vertical loop reactor bosoms at different levels are provided with a dividing plate (3);
The mechanical aeration plug-flow equipment (7) on vertical recirculation reactors 2. at different levels top plays the effect of aeration and plug-flow simultaneously, makes the top of dividing plate (3) form aerobic zone, and the oxygen-starved area is formed at the bottom of dividing plate (3);
3. mixed solution circulates denitrogenation successively in the multi-stage vertical loop reactor, enters second pond (4) by the water outlet of the vertical loop reactor of last step and precipitates;
4. second pond (4) water outlet after will handling is discharged through rising pipe (5);
5. the sludge part in the second pond (4) is pumped in the water return outlet of the vertical loop reactor of the first step through mud return line (6), excess sludge is discharged through shore pipe (8).
2, the multi-stage vertical cyclic process of sewage water intensification denitrification according to claim 1, it is characterized in that: the multi-stage vertical loop reactor described in the aforementioned technology, for the vertical loop reactor of a plurality of single-stages (1) is in series, or the vertical loop reactor of single-stage (1) separate operaton.
3, a kind of multi-stage vertical recycle unit of sewage water intensification denitrification, it is characterized in that: comprising: the water outlet of vertical loop reactor of single-stage (1) or multi-stage vertical loop reactor links to each other with second pond (4) by pipeline, second pond (4) also links to each other with rising pipe (5), mud return line (6), shore pipe (8), and the outlet of mud return line (6) links to each other with the water return outlet of the vertical loop reactor of the first step of vertical loop reactor of single-stage (1) or multi-stage vertical loop reactor.
4, the multi-stage vertical recycle unit of sewage water intensification denitrification according to claim 3, it is characterized in that: the vertical loop reactor of single-stage (1), comprise: casing, be provided with a dividing plate (3) in the middle of the box house, mechanical aeration plug-flow equipment (7) is equipped with at the casing top, bottom half has water-in, and top one side has water outlet, and casing top also has water return outlet.
5, the multi-stage vertical recycle unit of sewage water intensification denitrification according to claim 3, it is characterized in that: the multi-stage vertical loop reactor, be the vertical loop reactor of a plurality of single-stages (1) series connection, the lateral opening of the vertical loop reactor of single-stage (1) side water outlet and the adjacent vertical loop reactor of single-stage (1) interconnects, water inlet pipe (2) links to each other with the vertical loop reactor of single-stage (1) lower water inlet respectively, has water return outlet on the vertical loop reactor of the first step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100621947A CN101549935A (en) | 2009-05-21 | 2009-05-21 | Multi-stage vertical cyclic process and equipment of sewage water intensification denitrification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100621947A CN101549935A (en) | 2009-05-21 | 2009-05-21 | Multi-stage vertical cyclic process and equipment of sewage water intensification denitrification |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101549935A true CN101549935A (en) | 2009-10-07 |
Family
ID=41154467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2009100621947A Pending CN101549935A (en) | 2009-05-21 | 2009-05-21 | Multi-stage vertical cyclic process and equipment of sewage water intensification denitrification |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101549935A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106865771A (en) * | 2017-03-31 | 2017-06-20 | 长春工程学院 | The device and method of the vertical double-cycle process Treating Municipal Sewage of pulling flow type |
| CN110577283A (en) * | 2019-09-06 | 2019-12-17 | 深圳市清研环境科技有限公司 | multistage cross-flow circulation anoxic and aerobic sewage treatment facility and process |
| CN110615530A (en) * | 2019-09-05 | 2019-12-27 | 中国市政工程中南设计研究总院有限公司 | High-efficiency energy-saving multi-mode enhanced denitrification sewage treatment system |
-
2009
- 2009-05-21 CN CNA2009100621947A patent/CN101549935A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106865771A (en) * | 2017-03-31 | 2017-06-20 | 长春工程学院 | The device and method of the vertical double-cycle process Treating Municipal Sewage of pulling flow type |
| CN106865771B (en) * | 2017-03-31 | 2023-08-18 | 长春工程学院 | Device and method for treating urban sewage by plug-flow type vertical double-circulation process |
| CN110615530A (en) * | 2019-09-05 | 2019-12-27 | 中国市政工程中南设计研究总院有限公司 | High-efficiency energy-saving multi-mode enhanced denitrification sewage treatment system |
| CN110615530B (en) * | 2019-09-05 | 2024-03-12 | 中国市政工程中南设计研究总院有限公司 | High-efficiency energy-saving multi-mode enhanced denitrification sewage treatment system |
| CN110577283A (en) * | 2019-09-06 | 2019-12-17 | 深圳市清研环境科技有限公司 | multistage cross-flow circulation anoxic and aerobic sewage treatment facility and process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104118971B (en) | A kind of method utilizing Sewage Plant mixing sludge hydrolysed ferment intensified denitrification and dephosphorization | |
| CN102126811B (en) | Double-anoxic denitrification method and equipment for enhanced denitrification of sewage | |
| CN106946355B (en) | Jet aeration type A/O integrated sewage treatment device and sewage treatment process thereof | |
| CN202898099U (en) | Fenton fluidized bed | |
| CN105293834A (en) | Integrated iods reactor | |
| CN203360117U (en) | Multipoint inflowing circulation A/O sewage treatment system | |
| CN109970196A (en) | A kind of integrated form integrated waste water treating tank of application biology multiplication and fluidized-bed process | |
| CN203866158U (en) | Concentric type integrated sewage treatment system | |
| CN114262058A (en) | Double-circulation double-sedimentation-tank integrated biological treatment device and method | |
| CN105540850A (en) | Nitrogen and phosphorus removal method adopting anoxic, anaerobic and aerobic circular alternation | |
| CN101549935A (en) | Multi-stage vertical cyclic process and equipment of sewage water intensification denitrification | |
| CN203545784U (en) | Combined type oxidation ditch with external sedimentation basin | |
| CN203238141U (en) | Sewage biological treatment membrane filtration system | |
| CN106746384A (en) | The device and method of the vertical multi cycle Process for Treating Municipal of pulling flow type | |
| CN113620428B (en) | Anoxic tank water distribution system and method for integrated domestic sewage treatment equipment | |
| CN201424416Y (en) | Multistage vertical circulating device for reinforcing denitrification of sewage | |
| CN202007177U (en) | Dideoxy denitrification equipment for enhanced sewage denitrification | |
| CN101538085A (en) | Structure of spiral-flow aeration sedimentation sewage treatment tank and using method thereof | |
| CN201024122Y (en) | Aeration pool for sewage biochemical processing | |
| CN209740817U (en) | AAO biological reaction pond of branch point intaking | |
| CN210683344U (en) | Sewage treatment system | |
| CN209778574U (en) | High ammonia-nitrogen concentration waste water treatment reaction unit | |
| CN207313241U (en) | A kind of micro- oxygen denitrification reactor of cavitation-preventive | |
| CN207313240U (en) | A kind of multistage OA-MBR oxidation ditches | |
| CN207313374U (en) | A kind of micro- oxygen denitrification reactor of internal-circulation type |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Open date: 20091007 |