CN104098234A - Wave flow type denitrification filtering pond - Google Patents
Wave flow type denitrification filtering pond Download PDFInfo
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- CN104098234A CN104098234A CN201410377926.2A CN201410377926A CN104098234A CN 104098234 A CN104098234 A CN 104098234A CN 201410377926 A CN201410377926 A CN 201410377926A CN 104098234 A CN104098234 A CN 104098234A
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Abstract
The invention provides a wave flow type denitrification filtering pond, and relates to the technical field of sewage treatment process. The wave flow type denitrification filtering pond is characterized in that a filtering pond body and a denitrification pond are arranged in parallel; water enters from the top part of the filtering pond body, then downwards sequentially flows through a filtering material layer and a gravel layer and finally enters the denitrification pond from the bottom part; the water upwards sequentially flows through the gravel layer and the filtering material layer and then flows from the device through the top part of the denitrification tank. According to the wave flow type denitrification filtering pond, the filtering process and the denitrification process are separated, and the functions of filtering and denitrification are fully performed without mutual interference; the filtering pond body and the denitrification pond are arranged in parallel, which avoids overlapping during arranging and also reduces the total height of the device; a carbon source is added to the denitrification end, so that the consumption of dissolved oxygen to the carbon source is avoided; the device is simple in structure, convenient to operate and maintain, and safe and reliable.
Description
Technical field:
The present invention relates to sewage treatment technology field, be specifically related to a kind of wave current formula denitrification filter pool.
Background technology:
For meeting the requirement of urban wastewater treatment firm pollutant emission standard (GB18918-2002) one-level A standard, more domestic municipal sewage plant's application denitrification deep-bed filter technology are proposed mark transformation.Denitrification deep-bed filter can be realized and hold back SS, denitrification removes TN and micro-flocculation chemistry is removed the function of TP, but in engineering application process, also embodies following problem:
1, pond body too high (general 6m left and right).If be designed to ground type pond body, generally need to increase lifting water pump; The difficulty of construction such as vault excavates strengthen.
2, the dissolved oxygen in water inlet consumes carbon source, affects denitrification effect.Water inlet is fallen can increase water inlet dissolved oxygen, consumes carbon source, causes waste.
3, filtering layer vapor-water backwashing affects denitrification effect.Because filter dirt is held back SS to a certain degree carrying out vapor-water backwashing, this process will affect denitrification effect.
Summary of the invention:
The object of this invention is to provide a kind of wave current formula denitrification filter pool, by the parallel layout of filtering basin and denitrification pond, current enter from filtering basin top, descending filter material layer and the gravel bed of flowing through successively, enter denitrification pond from bottom, up gravel bed and the filter material layer of flowing through successively, from top, denitrification pond bleeder, it has been realized filtering layer and has held back separating of SS process and denitrification process.
First pending water enter filtering basin 3 by water intaking valve 1, descending filtrate after filtration 18 filters, remove SS and dissolved oxygen, carbon source enters filtering basin 3 mix with processing water and enters 8 layers, gravel from filtration filtrate 18 bottoms, then enter denitrification pond 4 from bottom hole 17, current up stream, through denitrification filtrate 9, carries out denitrification denitrogenation process, from outlet valve 2 outflow systems.
The present invention program's beneficial effect:
1, eliminate because cleaning SS carries out in filtering layer vapor-water backwashing to denitrifying impact;
2, the height of device is only the half of deep-bed filter;
3, add carbon source at denitrification end, avoided the consumption of dissolved oxygen to carbon source.
Brief description of the drawings
A kind of wave current formula denitrification filter pool structural representation that Fig. 1 provides for patent of the present invention.
In accompanying drawing: 1-water intaking valve, 2-outlet valve, 3-filtering basin, 4-denitrification pond, 5-upflow tube, 6-water discharge valve, 7-water discharge valve, 8-gravel, 9-denitrification filtrate, 10-carbon source add valve, 11-aeration valve, 12-water and rush valve, 13-filter block, 14-exhaust-valve, 15-water and rush valve, 16-aeration valve, 17-bottom hole, 18-and filter filtrate.
Embodiment:
The specific embodiment of the invention is taked following technical scheme: it comprises water intaking valve 1, outlet valve 2, filtering basin 3, denitrification pond 4, upflow tube 5, water discharge valve 6, water discharge valve 7, gravel 8, denitrification filtrate 9, carbon source and adds valve 10, aeration valve 11, water and rush valve 12, filter block 13, exhaust-valve 14, water and rush valve 15, aeration valve 16, bottom hole 17, filter filtrate 18.Filtering basin 3 communicate by bottom hole 17 with denitrification pond 4, what in filtering basin 3, load successively from top to bottom is to filter filtrate 18, gravel 8 and filter block 13, what in denitrification pond 4, load successively from top to bottom is denitrification filtrate 9, gravel 8 and filter block 13, and filter block 13 positions in filtering basin 3 and denitrification pond 4 are corresponding is provided with aeration valve 11, water rushes valve 12 and aeration valve 16, water rush valve 15.Bottom is provided with exhaust-valve 14, water intaking valve 1 is connected by pipeline with filtering basin 3, and water intaking valve 1 top is provided with upflow tube 5, between water intaking valve 1 and denitrification filtrate 9, is provided with water discharge valve 6,4 tops, denitrification pond are provided with outlet valve 2, between outlet valve 2 and denitrification filtrate 9, are provided with water discharge valve 7.
The Production Flow Chart of this embodiment is: first pending water enter filtering basin 3 by water intaking valve 1, descending filtrate after filtration 18 filters, remove SS and dissolved oxygen, carbon source enters filtering basin 3 mix with processing water and enters 8 layers, gravel from filtration filtrate 18 bottoms, then enter denitrification pond 4 from bottom hole 17, current up stream, through denitrification filtrate 9, carries out denitrification denitrogenation process, from outlet valve 2 outflow systems.
This concrete flushing process of implementing is:
1, filtering basin 3 rinse
Close water intaking valve 1, outlet valve 2, open aeration valve 11, water rushes valve 12, and filtering basin 3 are carried out to carbonated drink back flushing, when backwash finishes, close aeration valve 11, water rushes valve 12, open water intaking valve 1, outlet valve 2 resumes production.
2, denitrification pond 4 is rinsed
Close water intaking valve 1, outlet valve 2, open water rushes valve 15, aeration valve 16, and carbonated drink back flushing is carried out in denitrification pond 4, when backwash finishes, closes water and rushes valve 15, aeration valve 16, and unlatching water intaking valve 1, outlet valve 2 resume production.
This embodiment has realized:
1, separating of filtration procedure and denitrification process, and give full play to function separately, avoid phase mutual interference;
2 and reduced the total height of device;
3, add carbon source at denitrification end, avoided the consumption of dissolved oxygen to carbon source.
This apparatus structure is simple, operation, easy to maintenance, and safety, reliable, can realize all-round popularization.
Claims (3)
1. a wave current formula denitrification filter pool, is characterized in that it comprises water intaking valve (1), outlet valve (2), filtering basin (3), denitrification pond (4), upflow tube (5), water discharge valve (6), water discharge valve (7), gravel (8), denitrification filtrate (9), carbon source adds valve (10), aeration valve (11), water rushes valve (12), filter block (13), exhaust-valve (14), water rushes valve (15), aeration valve (16), bottom hole (17), filter filtrate (18), filtering basin (3) communicate by bottom hole (17) with denitrification pond (4), and what in filtering basin (3), load successively from top to bottom is to filter filtrate (18), gravel (8) and filter block (13), what in denitrification pond (4), load successively from top to bottom is denitrification filtrate (9), gravel (8) and filter block (13), the corresponding aeration valve (11) that is provided with in filter block (13) position of filtering basin (3) and denitrification pond (4), water rushes valve (12) and aeration valve (16), water rushes valve (15), bottom is provided with exhaust-valve (14), water intaking valve (1) is connected by pipeline with filtering basin (3), water intaking valve (1) top is provided with upflow tube (5), between water intaking valve (1) and denitrification filtrate (9), be provided with water discharge valve (6), top, denitrification pond (4) is provided with outlet valve (2), between outlet valve (2) and denitrification filtrate (9), is provided with water discharge valve (7).
2. a kind of wave current formula denitrification filter pool according to claim 1, it is characterized in that: by the parallel layout of filtering basin and denitrification pond, current enter from filtering basin top, descending filter material layer and the gravel bed of flowing through successively, enter denitrification pond from bottom, up gravel bed and the filter material layer of flowing through successively, from top, denitrification pond bleeder.
3. according to claim 1 or a kind of wave current formula denitrification filter pool claimed in claim 2, it is characterized in that: first pending water enter filtering basin (3) by water intaking valve (1), descending filtrate after filtration (18) filters, remove SS and dissolved oxygen, carbon source enters filtering basin (3) mix with processing water and enters gravel (8) layer bottom filtering filtrate (18), then enter denitrification pond (4) from bottom hole (17), current up stream is through denitrification filtrate (9), carry out denitrification denitrogenation process, from outlet valve (2) outflow system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410377926.2A CN104098234B (en) | 2014-08-04 | 2014-08-04 | A kind of wave current formula denitrification filter pool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410377926.2A CN104098234B (en) | 2014-08-04 | 2014-08-04 | A kind of wave current formula denitrification filter pool |
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| Publication Number | Publication Date |
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| CN104098234A true CN104098234A (en) | 2014-10-15 |
| CN104098234B CN104098234B (en) | 2016-08-24 |
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| CN201410377926.2A Active CN104098234B (en) | 2014-08-04 | 2014-08-04 | A kind of wave current formula denitrification filter pool |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116693088A (en) * | 2023-05-25 | 2023-09-05 | 中国电力工程顾问集团中南电力设计院有限公司 | Solar self-control reflux heating precipitation filtration integrated tank in low-temperature environment and control method |
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| CN203095790U (en) * | 2012-12-25 | 2013-07-31 | 北京中地泓科环境科技有限公司 | Small-sized composite vertical flow integrated system for domestic sewage |
| CN103936141A (en) * | 2014-04-15 | 2014-07-23 | 中持（北京）水务运营有限公司 | Biological aerated filter |
| CN204039223U (en) * | 2014-08-04 | 2014-12-24 | 江苏优联环境发展有限公司 | A kind of wave current formula denitrification filter pool |
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- 2014-08-04 CN CN201410377926.2A patent/CN104098234B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN200981838Y (en) * | 2006-12-06 | 2007-11-28 | 北京市市政工程设计研究总院 | Filtering material supporting layer structure for water treatment filtering tank |
| CN101007688A (en) * | 2007-01-19 | 2007-08-01 | 天津市水利科学研究所 | Stirring type undercurrent wetland water body purification apparatus and water body purification method |
| CN101007673A (en) * | 2007-01-19 | 2007-08-01 | 天津市水利科学研究所 | Multiple-component filler matrix undercurrent wet land purifying and processing apparatus and undercurrent wet land purifying method |
| CN201106004Y (en) * | 2007-10-22 | 2008-08-27 | 濮阳市元光科技有限公司 | Combined aerating biologic filtering pool |
| KR20100118657A (en) * | 2009-04-29 | 2010-11-08 | 대림산업 주식회사 | Advanced sewage wastewater treatment system combined with sbr and chemical sedimentation |
| CN203095790U (en) * | 2012-12-25 | 2013-07-31 | 北京中地泓科环境科技有限公司 | Small-sized composite vertical flow integrated system for domestic sewage |
| CN103055555A (en) * | 2013-01-08 | 2013-04-24 | 霍祥明 | Air distribution system of filter |
| CN203065235U (en) * | 2013-01-24 | 2013-07-17 | 上海奥迪菲环境工程有限公司 | Compound deep-bed de-nitrification nitrogen-removal filter |
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| CN204039223U (en) * | 2014-08-04 | 2014-12-24 | 江苏优联环境发展有限公司 | A kind of wave current formula denitrification filter pool |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116693088A (en) * | 2023-05-25 | 2023-09-05 | 中国电力工程顾问集团中南电力设计院有限公司 | Solar self-control reflux heating precipitation filtration integrated tank in low-temperature environment and control method |
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| Publication number | Publication date |
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| CN104098234B (en) | 2016-08-24 |
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