CN204111398U - A kind of denitrogenation dephosphorizing ecological filter reactor - Google Patents
A kind of denitrogenation dephosphorizing ecological filter reactor Download PDFInfo
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- CN204111398U CN204111398U CN201420364255.1U CN201420364255U CN204111398U CN 204111398 U CN204111398 U CN 204111398U CN 201420364255 U CN201420364255 U CN 201420364255U CN 204111398 U CN204111398 U CN 204111398U
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- aeration
- sewage
- baf
- denitrogenation dephosphorizing
- water
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Abstract
The utility model belongs to sewage treatment area, relates to a kind of denitrogenation dephosphorizing ecological filter reactor, and this reactor can equipmentization be produced, and can be used for the factory and enterprise that sewage quantity is less, and the process of town sewage.Bottom the utility model filtrating area comprises, supporting layer, middle part ordinary filter-calcium carbonate type biofilter material, top are ecological filler-river snail, and it is inner that vertical sedimentation basin is placed in square BAF.The utility model meets green ecological theory, can be used for the factory and enterprise that sewage quantity is less.By the chemical precipitation dephosphorization to sewage, Physical entrapment and bio-oxidation process, reach the object of sewage purification, contribute to protection of the environment, economize on resources.
Description
Technical field
The present invention relates to a kind of denitrogenation dephosphorizing ecological filter reactor, can be used for the treatment unit of municipal wastewater.
Background technology
The survival and development of the mankind all be unable to do without water, but occurring in nature can be limited for the fresh water amount of human use.Along with the progress of science and technology, developing rapidly of industrial civilization and urban construction, the continuous growth of world population, the demand of productive life to water resources of people increases sharply on the one hand, increasingly serious by water form, on the other hand, stain disease quantity discharged increases, and a large amount of unprocessed water enters water body, well beyond the self-purification capacity of natural water, cause the pollution that mankind's use water is subject in various degree, further reduce available water resources quantity.The water pollutions be on the rise, has become the major obstacles of human health, Sustainable development.
The floor space had due to BAF itself is little, initial cost remains, operational management is convenient, effluent quality is good, strong shock resistance, and modularization and level of automation advantages of higher, be used widely in the last few years, and filtrate is the main part of BAF, have a direct impact the treatment effect of BAF.Filtrate, as filtering the medium of suspended substance and microorganism carrier, affects the removal usefulness of suspended substance, the attachment of microorganism, biomembranously to come off, structure, and oxygen utilization rate, affects flow-shape, flow resistance.Given this filtrate developing novel high-efficiency environment friendly is one of important directions of BAF research.
This patent adds river snail as filtrate in common BAF, researches and develops a kind of denitrogenation dephosphorizing ecologic reactor.
Summary of the invention
The utility model object is to solve the low problem of dephosphorization efficiency by using that above-mentioned BAF exists, provides a kind of integration denitrification and dephosphorization ecological filter reactor.
For solving the problem, bottom the utility model packing area comprises, supporting layer, middle part ordinary calcium carbonate type filtrate, top are ecological filler---river snail.
River snail is gastropod mollusc, happiness inhabits the water environment that bed mud is rich in soil ulmin, in the water bodys such as the stream of the hollow or unhurried current in lake as in great numbers in pasture and water, pond, field, often mixing for eating spiral shell feeding habits with plant plankton, young tender waterplant, moss etc. in the microorganism in earth and soil ulmin and water, mainly eating waterplant young stem and leaf, organic debris etc.Growth optimal temperature is 20 ~ 27 DEG C.
River snail forms primarily of calcium carbonate in chemical composition, account for greatly about 95% of chitin amount, other are a small amount of organic conchiolin, and the shell of river snail all has certain hardness, surface irregularity, have a large amount of micropore, porosity is large, not easily results in blockage, simultaneously, shell density is large, not easily becomes suspended state when back flushing, and biological chemical performance is stablized.
In integrated aeration boilogical filter tank treating processes, add river snail as filtrate, can not only remaining mud in absorption effluent, be dissolved in sour water, it is made to discharge calcium ion, after mixing with phosphorus-containing wastewater, then by adjust ph, obvious phosphor-removing effect can be reached, and as a kind of ecologic biological reactor, the river snail that lives can have good growth conditions at sewage, reduces the replacing number of times of filtrate, cost-saving.
The utility model ecological filter the utility model comprises coagulation device, vertical sedimentation basin and square BAF.Filtrating area built-in calcium carbonate type biofilter material and ecological filtrate---river snail, bottom supporting layer is that goose warms up stone, bottom is connected with exhalant region through the supporting plate of porous, water enters filter tank by the surrounding overflow of vertical sedimentation basin top, in order to aeration is even, be provided with aeration plate in exhalant region, be connected with air compressor through aeration tube.The exhalant region of bottom is as distribution district during aeration, and also as water distributing area during back flushing, backwash tube is connected with backwash water through backwash pump pressurization.Square BAF establishes filtrating area and exhalant region, filtrating area comprises bottom supporting layer (10), middle part calcium carbonate type biofilter material (7), top is river snail (8), water enters filter tank by the surrounding overflow of vertical sedimentation basin (5) top, in order to aeration is even, aeration plate (14) is provided with in exhalant region, aeration tube (13), back flushing water inlet pipe (17), rising pipe (11), air compressor (12) and backwash pump (16) respectively with aeration tube (13), back flushing water inlet pipe (17) connects, the exhalant region of bottom is as distribution district during aeration, also as water distributing area during back flushing.It is inner that vertical sedimentation basin (5) is placed in square BAF (6).
The utility model meets green ecological theory, can be used for the factory and enterprise that sewage quantity is less.By the chemical precipitation dephosphorization to sewage, Physical entrapment and bio-oxidation process, reach the object of sewage purification, contribute to protection of the environment, economize on resources.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of denitrogenation dephosphorizing ecological filter of the utility model reactor, and composition graphs is described further.
Accompanying drawing is schematic diagram of the present utility model.
In figure: 1 equalizing tank, 2 Sewage metering pumps, 3 waste pipes, 4 tubular static mixers, 5 vertical sedimentation basins, 6 square BAF, 7 ordinary calcium carbonate class fillers, 8 ecological filler---river snails, 9 screen clothes, 10 supporting layers, 11 rising pipes, 12 air compressor, 13 aeration tubes, 14 aeration plates, 15 water tanks, 16 backwash pumps, 17 back flushing water pipes, 18 shore pipes, 19 mixing pits, 20 volume pumps, 21 chemical feed pipes, 22 back flushing rising pipes.
Embodiment
Accompanying drawing is a kind of specific embodiment of the present utility model, this embodiment comprises the equalizing tank 1 collecting sewage, equalizing tank 1 enters vertical sedimentation basin 5 by Sewage metering pump 2 through waste pipe 3, the mixing pit 19 of preparation coagulating agent, by the volume pump 20 of dosing coagulant, be connected with tubular static mixer 4, in tubular static mixer coagulating agent fully mix with sewage after together with enter vertical sedimentation basin 5 through 3 waste pipes, shore pipe 18 is connected to bottom vertical sedimentation basin, water after vertical sedimentation basin 5 processes enters square BAF 6 by overflow, air distribution and water distribution district bottom aeration tank is provided with aeration plate 14, aeration plate is connected with air compressor 12 by aeration tube 11, and backwash tube 17 is connected with backwashing pump 16, top, aeration tank is connected to back flushing rising pipe 22.
By sewage in equalizing tank 1 regulating pondage and water quality, enter vertical sedimentation basin 5 by Sewage metering pump 2 through 3 waste pipes.Tubular static mixer 4 waste pipe is equipped with, coagulating agent enters tubular static mixer by 20 volume pump pressurizations, in static mixer coagulating agent fully mix with sewage after together with through 3 waste pipe vertical sedimentation basins 5, carry out preliminary sedimentation, shore pipe 18 is connected to bottom vertical sedimentation basin, mud after precipitation is discharged through interval of certain cycle, mud is transported by car after simple process, water after vertical sedimentation basin 5 processes enters BAF 6 by overflow, ventilated in aeration tank by air compressor 12, for microorganism provides sufficient oxygen, when reaching predetermined head loss, back flushing is carried out to filter tank, first air purge is carried out by air compressor 12, then open backwash pump 16 to pressurize and carry out air water to filter tank and combine flushing, close air compressor 12 afterwards, pressurize with backwash pump 16 again and filter tank washed, the water of back flushing is discharged through back flushing rising pipe.
When filler adds, because river snail is active bio, need periodic replacement and check survival condition, therefore, being loaded on when river snail 8 adds in screen cloth 9, to overhaul in the future.
Claims (2)
1. a denitrogenation dephosphorizing ecological filter reactor, it is characterized in that: reactor comprises coagulation device, vertical sedimentation basin and square BAF, square BAF establishes filtrating area and exhalant region, bottom filtrating area comprises, supporting layer (10), middle part calcium carbonate type biofilter material (7), top are river snail (8), water enters filter tank by the surrounding overflow of vertical sedimentation basin (5) top, in order to aeration is even, be provided with aeration plate (14) in exhalant region, be connected with air compressor (12) through aeration tube (13).
2. a kind of denitrogenation dephosphorizing ecological filter reactor according to claim 1, it is characterized in that: the exhalant region of bottom is as distribution district during aeration, also as water distributing area during back flushing, backwash tube (17) is connected with backwash water through backwash pump (16) pressurization.
3. a kind of denitrogenation dephosphorizing ecological filter reactor according to claim 1, is characterized in that: it is inner that vertical sedimentation basin (5) is placed in square BAF (6).
4. a kind of denitrogenation dephosphorizing ecological filter reactor according to claim 1, it is characterized in that: aeration plate (14), aeration tube (13), back flushing water inlet pipe (17), rising pipe (11) are installed in square BAF (6) bottom, and air compressor (12) is connected with aeration tube (13), back flushing water inlet pipe (17) respectively with backwash pump (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420364255.1U CN204111398U (en) | 2014-07-03 | 2014-07-03 | A kind of denitrogenation dephosphorizing ecological filter reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420364255.1U CN204111398U (en) | 2014-07-03 | 2014-07-03 | A kind of denitrogenation dephosphorizing ecological filter reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204111398U true CN204111398U (en) | 2015-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420364255.1U Expired - Fee Related CN204111398U (en) | 2014-07-03 | 2014-07-03 | A kind of denitrogenation dephosphorizing ecological filter reactor |
Country Status (1)
| Country | Link |
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| CN (1) | CN204111398U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107473511A (en) * | 2017-08-31 | 2017-12-15 | 北京军秀咨询有限公司 | A kind of water environment ecological management and repair system |
-
2014
- 2014-07-03 CN CN201420364255.1U patent/CN204111398U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107473511A (en) * | 2017-08-31 | 2017-12-15 | 北京军秀咨询有限公司 | A kind of water environment ecological management and repair system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150121 Termination date: 20170703 |