CN208949081U - A kind of coal chemical industrial waste water advanced treatment system - Google Patents
A kind of coal chemical industrial waste water advanced treatment system Download PDFInfo
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- CN208949081U CN208949081U CN201821239249.8U CN201821239249U CN208949081U CN 208949081 U CN208949081 U CN 208949081U CN 201821239249 U CN201821239249 U CN 201821239249U CN 208949081 U CN208949081 U CN 208949081U
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- waste water
- cod
- industrial waste
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Abstract
It include fluidized reaction bed, coagulation reaction tank and the sedimentation basin being sequentially connected to and COD degradation agent chemicals dosing plant and PAM chemicals dosing plant the utility model discloses a kind of coal chemical industrial waste water advanced treatment system；COD degradation agent chemicals dosing plant is connected to fluidized reaction bed, and PAM chemicals dosing plant is connected to coagulation reaction tank, and the sludge outlet of sedimentation basin is connected to fluidized reaction bed.The utility model decomposes coal chemical industrial waste water COD using COD degradation agent, coagulating sedimentation removes suspended matter, COD in waste water, the principles such as sedimentation basin reflux, remove COD and impurity in waste water, achieve the purpose that coal chemical industrial waste water advanced treating, meets highest standard limit CODcr≤80mg/L requirement in national " coking industry pollutant emission standard " (GB16171-2012) in direct emission standard as defined in table 2.
Description
Technical field
The utility model relates to field of waste water treatment, specifically a kind of coal chemical industrial waste water advanced treatment system.
Background technique
Coal chemical industry waste water passes through biochemical treatment, and water outlet COD is in 200-300mg/L, and country is not achieved, and " coking industry is dirty
Contaminate object discharge standard " highest standard limit CODcr in (GB16171-2012) in direct emission standard as defined in table 2≤
80mg/L requirement, needs to carry out advanced treating, at present the deep treatment method of many coal chemical industrial waste waters, there is that energy consumption is high, adds
Pharmaceutical quantities and it is not up to standard phenomena such as.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of coal chemical industrial waste water advanced treatment systems, are dropped using COD
It solves agent and decomposes coal chemical industrial waste water COD, coagulating sedimentation removes suspended matter, COD in waste water, and the principles such as sedimentation basin reflux remove waste water
Middle COD and impurity achieve the purpose that coal chemical industrial waste water advanced treating, meet national " coking industry pollutant emission standard "
(GB16171-2012) highest standard limit CODcr≤80mg/L requirement in direct emission standard as defined in table 2.
The technical solution of the utility model are as follows:
A kind of coal chemical industrial waste water advanced treatment system includes the fluidized reaction bed being sequentially connected to, coagulation reaction tank and is sunk
Shallow lake pond and COD degradation agent chemicals dosing plant and PAM chemicals dosing plant；The COD degradation agent chemicals dosing plant and fluidized reaction bed connects
Logical, the PAM chemicals dosing plant is connected to coagulation reaction tank, and the sludge outlet of the sedimentation basin is connected to fluidized reaction bed.
The fluidized reaction bed includes fluidized bed body and the aerator for being set to fluidized bed body bottom,
The fluidized bed body selects clay fluidized bed body；The aerator selects micro-hole aerator.
The COD degradation agent chemicals dosing plant includes COD dispensing slot and is connected to COD dispensing slot and fluidized reaction
COD dosing pump between bed.
The PAM chemicals dosing plant includes PAM dispensing slot and is connected between PAM dispensing slot and coagulation reaction tank
PAM dosing pump.
Blender is provided in the coagulation reaction tank.
Mud scraper is provided in the sedimentation basin, the coagulation reaction tank is connected to by guide shell with sedimentation basin, institute
The sedimentation basin stated is connected to by sludge reflux pump with fluidized reaction bed.
The advantages of the utility model:
Coal chemical industry bio-chemical effluent enters fluidized reaction bed, and COD degradation agent is added in fluidized reaction bed, while the precipitating that flows back
Sludge in pond, three react in fluidized reaction bed, and fluidized reaction bed, as bed carrier, is aerated using clay particle in bottom
Under effect, it is in suspended state, increases waste water area, while there is absorption degradation effect, the sludge master of reflux sedimentation tank
If by unreacted COD degradation agent reuse again, while increasing flocculation carrier, guarantee COD(COD) it is up to standard before
It puts, improves COD degradation agent utilization rate, reduce operating cost；And pass through fluidized reaction bed treated waste water from flowing into coagulation
Reaction tank adds PAM(polyacrylamide), flocculation reaction is carried out, last waste water is precipitated in sedimentation basin, clear water discharge, in water outlet
COD is in 80mg/L or less.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model coal chemical industrial waste water advanced treatment system.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
See that Fig. 1, a kind of coal chemical industrial waste water advanced treatment system include fluidized reaction bed 1, the coagulating being sequentially connected to
Pond 2 and sedimentation basin 3 and COD degradation agent chemicals dosing plant and PAM chemicals dosing plant；Fluidized reaction bed 1 includes 11 He of fluidized bed body
It is set to the aerator 12 of 11 bottom of fluidized bed body, fluidized bed body 11 selects clay fluidized bed body, and aerator 12 is selected micro-
Hole aerator；COD degradation agent chemicals dosing plant includes COD dispensing slot 4 and is connected to COD dispensing slot 4 and fluidized reaction bed 1
Between COD dosing pump 5；PAM chemicals dosing plant includes PAM dispensing slot 6 and is connected to PAM dispensing slot 6 and coagulation reaction tank
PAM dosing pump 7 between 2；Blender 8 is provided in coagulation reaction tank 2；Mud scraper 31, coagulating are provided in sedimentation basin 3
Pond 2 is connected to by guide shell 32 with sedimentation basin 3, and sedimentation basin 3 is connected to by sludge reflux pump 33 with fluidized reaction bed 1.
A kind of coal chemical industrial waste water deep treatment method, has specifically included following steps:
(1), coal chemical industrial waste water is entered inside fluidized reaction bed 1 by water inlet line, and COD degradation agent chemicals dosing plant is by COD
Degradation agent is added in fluidized reaction bed 1, while sedimentation basin 3, by the sludge reflux of precipitating to fluidized reaction bed 1, three is flowing
Change and reacted in bed, while the aerator 12 in fluidized reaction bed 1 is aerated, and fluidized bed body 11 is made to be in suspension
State, after coal chemical industrial waste water stops reaction 2 hours in fluidized reaction bed 1, into coagulation reaction tank 2；
(2), PAM is added in coagulation reaction tank 2 by PAM chemicals dosing plant, and the coal chemical industrial waste water and PAM after fluidization treatment exist
Coagulation reaction tank 2 stirs, and forms alumen ustum；
(3), the water outlet of coagulation reaction tank 2 flow to sedimentation basin 3 along guide shell 32, precipitates in sedimentation basin 3, sludge is by scraping mud
Machine 31 scrapes 3 bottom of sedimentation basin, is back to fluidized reaction bed 1 by sludge reflux pump 33, and highly concentrated sludge in sedimentation basin 3
It is discharged into filter press.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (7)
1. a kind of coal chemical industrial waste water advanced treatment system, it is characterised in that: include that the fluidized reaction bed, the coagulation that are sequentially connected to are anti-
Ying Chi and sedimentation basin and COD degradation agent chemicals dosing plant and PAM chemicals dosing plant；The COD degradation agent chemicals dosing plant and fluidisation
Reaction bed connection, the PAM chemicals dosing plant are connected to coagulation reaction tank, the sludge outlet and fluidized reaction of the sedimentation basin
Bed connection.
2. a kind of coal chemical industrial waste water advanced treatment system according to claim 1, it is characterised in that: the fluidized reaction
Bed includes fluidized bed body and the aerator for being set to fluidized bed body bottom.
3. a kind of coal chemical industrial waste water advanced treatment system according to claim 2, it is characterised in that: the fluidized bed body
Select clay fluidized bed body；The aerator selects micro-hole aerator.
4. a kind of coal chemical industrial waste water advanced treatment system according to claim 1, it is characterised in that: the COD degradation
Agent chemicals dosing plant includes COD dispensing slot and the COD dosing pump being connected between COD dispensing slot and fluidized reaction bed.
5. a kind of coal chemical industrial waste water advanced treatment system according to claim 1, it is characterised in that: the PAM dosing
Device includes PAM dispensing slot and the PAM dosing pump being connected between PAM dispensing slot and coagulation reaction tank.
6. a kind of coal chemical industrial waste water advanced treatment system according to claim 1, it is characterised in that: the coagulating
Blender is provided in pond.
7. a kind of coal chemical industrial waste water advanced treatment system according to claim 1, it is characterised in that: in the sedimentation basin
It is provided with mud scraper, the coagulation reaction tank is connected to by guide shell with sedimentation basin, and the sedimentation basin passes through sludge reflux
Pump is connected to fluidized reaction bed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821239249.8U CN208949081U (en) | 2018-08-02 | 2018-08-02 | A kind of coal chemical industrial waste water advanced treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821239249.8U CN208949081U (en) | 2018-08-02 | 2018-08-02 | A kind of coal chemical industrial waste water advanced treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208949081U true CN208949081U (en) | 2019-06-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821239249.8U Active CN208949081U (en) | 2018-08-02 | 2018-08-02 | A kind of coal chemical industrial waste water advanced treatment system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108911410A (en) * | 2018-08-02 | 2018-11-30 | 合肥中亚环保科技有限公司 | A kind of coal chemical industrial waste water advanced treatment system and its processing method |
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2018
- 2018-08-02 CN CN201821239249.8U patent/CN208949081U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108911410A (en) * | 2018-08-02 | 2018-11-30 | 合肥中亚环保科技有限公司 | A kind of coal chemical industrial waste water advanced treatment system and its processing method |
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