CN202099161U - Circulating water tertiary treatment device - Google Patents
Circulating water tertiary treatment device Download PDFInfo
- Publication number
- CN202099161U CN202099161U CN2011201397602U CN201120139760U CN202099161U CN 202099161 U CN202099161 U CN 202099161U CN 2011201397602 U CN2011201397602 U CN 2011201397602U CN 201120139760 U CN201120139760 U CN 201120139760U CN 202099161 U CN202099161 U CN 202099161U
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- baf
- activated carbon
- treatment device
- tertiary treatment
- mixed reaction
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- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The utility model discloses a circulating water tertiary treatment device, which comprises a sewage tank, a mixed reaction tank, a first aeration biofilter, a second aeration biofilter, an activated carbon filter and a sand filter which are sequentially communicated through pipelines, wherein the mixed reaction tank is communicated with a doser through a pipeline, and the first aeration biofilter, the second aeration biofilter, the activated carbon filter and the sand filter are respectively communicated with a backwashing device through pipelines. The circulating water tertiary treatment device disclosed by the utility model has a simple structure, low operation cost and a good water outlet effect.
Description
Technical field
The present invention relates to a kind of sewage disposal device, particularly a kind of recirculated water tertiary treatment device.
Background technology
Along with the popularization and the application of energy-saving and emission-reduction, the water outlet of municipal sewage plant all can not get better utilised, and this water quality belongs to one type of surface water, and advanced treatment energy-saving and emission-reduction reusing sewage is the problem that prior art will solve.
Recirculated water is used widely in industrial production, and the water outlet of circulation back flushing generally all can not get reuse, along with practicing thrift the target that reduces discharging, handles the back reuse and has practiced thrift the cost of enterprise again, and social benefit, environmental benefit are promptly arranged.
The utility model content
Goal of the invention: to the deficiency of prior art, the utility model discloses the tertiary treatment device of a kind of effectively cycle of treatment water and circulation back flushing water outlet,
Technical scheme: the utility model discloses a kind of recirculated water tertiary treatment device, comprise the sewage lagoon, mixed reaction pond, first BAF, second BAF, activated carbon filter and the sand filter that are communicated with successively through pipeline; Said mixed reaction pond is communicated with through pipeline and doser, and said first BAF, second BAF, activated carbon filter and sand filter are communicated with the backwash device respectively through pipeline.
The bottom of said mixed reaction pond, first BAF, second BAF, activated carbon filter is provided with water-in; Top is provided with water outlet, and the height of mixed reaction pond, first BAF, second BAF and the activated carbon filter shape that tapers off distributes; When equipment uses,, adjust the flow direction of liquid phase through the difference of altitude of mixed reaction pond, first BAF, second BAF, activated carbon filter.
The filtrate of filling in said first BAF and second BAF; The filtrate specific surface area is big; The filter material surface highly active microbial film of growing; Utilize the oxidative degradation ability of the high-concentration biological film that the high-specific surface area of filtrate brings that sewage is carried out fast purification, this is the oxidation degradation process; Simultaneously, the effluent stream process, filtrate is compaction state, utilizes particle diameter of filter medium features of smaller and biomembranous biological flocculation, holds back the suspended substance in the sewage, guarantees that the microbial film that comes off can not drift out with water, and this is a crown_interception; Behind the operation certain hour, because of the increase of head loss, need back flushing is carried out in the filter tank, suspended substance and renewal microbial film so that release is held back are backwash process.
Activated carbon filtrate in the said activated carbon filter is provided with for suspending; The filter material surface highly active microbial film of growing; Utilize the oxidative degradation ability of the high-concentration biological film that the high-specific surface area of filtrate brings that sewage is carried out fast purification, this is the oxidation degradation process; Behind the operation certain hour, because of the increase of head loss, need back flushing is carried out in the filter tank, be provided with because filtrate suspends, during back flushing, filtrate constantly rolls, and cleans the tamper between filtrate through the friction between filtrate, makes filtrate can not stop up.
Said mixed reaction pond bottom is provided with the swash plate baffle plate.When the former water that is mixed with flocculation agent injects mixed reaction pond, former water is carried out rough handling through the swash plate baffle plate.
Beneficial effect: the disclosed recirculated water tertiary treatment of the utility model device, simple in structure, running cost is low, and water outlet is effective.
Description of drawings
Accompanying drawing is the structural representation of recirculated water tertiary treatment device.
Embodiment
Below in conjunction with accompanying drawing the utility model is done further to explain.
The utility model discloses a kind of recirculated water tertiary treatment device, comprise the sewage lagoon 1 that is communicated with successively through pipeline, mixed reaction pond 2, first BAF 3, second BAF 4, activated carbon filter 5 and sand filter 6; Said mixed reaction pond 2 is communicated with through pipeline and doser 7, said first BAF 3, second BAF 4, activated carbon filter 5 and sand filter 6 through pipeline respectively with 8 connections of backwash device.
When equipment moved, former water was discharged from sewage lagoon, added flocculation agent through doser, and flocculation enters mixed reaction pond after mixing; In mixed reaction pond, former water is carried out rough handling through the swash plate baffle plate; Shape distributes because the height of mixed reaction pond, first BAF, second BAF and activated carbon filter tapers off, and treating water flows through first BAF, second BAF and activated carbon filter successively; When flowing through first BAF and second BAF, utilize the oxidative degradation ability of the high-concentration biological film that the high-specific surface area of filtrate brings that sewage is carried out fast purification; Simultaneously, the effluent stream process, filtrate is compaction state, utilizes particle diameter of filter medium features of smaller and biomembranous biological flocculation, holds back the suspended substance in the sewage, guarantees that the microbial film that comes off can not drift out with water.When flowing through activated carbon filter, utilize the oxidative degradation ability of the high-concentration biological film that the high-specific surface area of filtrate brings that sewage is carried out fast purification, this is the oxidation degradation process; Enter sand filter then, discharge after filtering.
Behind the operation certain hour,, need to carry out back flushing the suspended substance of holding back with release and upgrade microbial film to the filter tank because of the increase of head loss.
The utility model provides a kind of thinking and method of recirculated water tertiary treatment device; The method and the approach of concrete this technical scheme of realization are a lot; The above only is the preferred implementation of the utility model, should be pointed out that for those skilled in the art; Under the prerequisite that does not break away from the utility model principle; Can also make some improvement and retouching, these improvement and retouching also should be regarded as the protection domain of the utility model, and all available prior art of each integral part not clear and definite in the present embodiment realizes.
Claims (5)
1. recirculated water tertiary treatment device; It is characterized in that, comprise the sewage lagoon (1), mixed reaction pond (2), first BAF (3), second BAF (4), activated carbon filter (5) and the sand filter (6) that are communicated with successively through pipeline; Said mixed reaction pond (2) is communicated with through pipeline and doser (7), and said first BAF (3), second BAF (4), activated carbon filter (5) and sand filter (6) are communicated with backwash device (8) respectively through pipeline; The bottom of said mixed reaction pond (2), first BAF (3), second BAF (4), activated carbon filter (5) is provided with water-in, and top is provided with water outlet.
2. a kind of recirculated water tertiary treatment device according to claim 1 is characterized in that, the aperture of gathering on the filtrate of filling in said first BAF (3), second BAF (4) and the activated carbon filter (5).
3. a kind of recirculated water tertiary treatment device according to claim 1 and 2 is characterized in that, the height of said mixed reaction pond (2), first BAF (3), second BAF (4) and activated carbon filter (5) shape that tapers off distributes.
4. a kind of recirculated water tertiary treatment device according to claim 1 and 2 is characterized in that, the activated carbon filtrate in the said activated carbon filter (5) is provided with for suspending, and the density of activated carbon and water are approximate.
5. a kind of recirculated water tertiary treatment device according to claim 1 is characterized in that said mixed reaction pond (2) bottom is provided with the swash plate baffle plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201397602U CN202099161U (en) | 2011-05-05 | 2011-05-05 | Circulating water tertiary treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201397602U CN202099161U (en) | 2011-05-05 | 2011-05-05 | Circulating water tertiary treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202099161U true CN202099161U (en) | 2012-01-04 |
Family
ID=45385186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201397602U Expired - Fee Related CN202099161U (en) | 2011-05-05 | 2011-05-05 | Circulating water tertiary treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202099161U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102674534A (en) * | 2012-05-25 | 2012-09-19 | 复旦大学 | Falling water aeration biofilter for sewage treatment |
-
2011
- 2011-05-05 CN CN2011201397602U patent/CN202099161U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102674534A (en) * | 2012-05-25 | 2012-09-19 | 复旦大学 | Falling water aeration biofilter for sewage treatment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 214214 Jiangsu city of Wuxi province Yixing gaochengzhen Foreign Investment Industrial Park Yi Road No. 68 Patentee after: ATK HOLDINGS GROUP CO., LTD. Address before: 214214 Jiangsu city of Wuxi province Yixing gaochengzhen Foreign Investment Industrial Park Yi Road No. 68 Patentee before: ATK Holding Group Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120104 Termination date: 20170505 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |