CN209010294U - A kind of purified wastewater pretreatment unit - Google Patents
A kind of purified wastewater pretreatment unit Download PDFInfo
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- CN209010294U CN209010294U CN201821283999.5U CN201821283999U CN209010294U CN 209010294 U CN209010294 U CN 209010294U CN 201821283999 U CN201821283999 U CN 201821283999U CN 209010294 U CN209010294 U CN 209010294U
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- purified wastewater
- wastewater pretreatment
- pretreatment unit
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Abstract
The utility model discloses a kind of purified wastewater pretreatment units, including pass through the sequentially connected conditioning tank of pipeline, PH conditioning tank, micro cell, Fenton pond, neutralization pond, coagulating basin, flocculation basin, primary sedimentation tank and sludge concentration tank；Reuse pipeline is equipped between sludge concentration tank and conditioning tank.Purified wastewater pretreatment unit provided by the utility model, up to 60%, improves BOD/COD value about 70%, reduces the pollutional load of subsequent biochemical processing system to the removal rate of influent COD；Compared with traditional Fenton oxidation technique, FeSO is reduced4Dosage about 55%, and reduce sludge yield about 30%；Operating cost is about 4.6 yuan/ton of water, and operating cost is lower.
Description
Technical field
The utility model relates to the pharmacy wastewater treatment technical fields in environmental project, specifically disclose a kind of purified wastewater
Pretreatment unit.
Background technique
During bio-pharmaceuticals, because of production link difference, the waste water of generation can be divided into fermentation waste water, purification waste water, cleaning
Waste water and other waste water.The organic pollutant concentration of fermentation waste water and cleaning waste water is lower, can take " Aerobic biological process "
Equal standard biologics pharmacy wastewater treatment method, can qualified discharge after processing.Purification waste water is in the extraction process of tunning
The more poor polycyclic hydro carbons hardly degraded organic substance of the waste liquid of generation, mostly biochemical property, because its COD value is higher, BOD value is lower,
Biochemical treatment cannot be directly carried out, its biodegradability need to be improved by pretreating process.
Conventional purification wastewater treatment method includes that Fenton's reaction is reacted with coagulating sedimentation.Traditional Fenton method sludge output is big,
Higher reactant concentration is relied primarily on to the removal efficiency of macromolecular hardly degraded organic substance, therefore it is larger to consume pharmaceutical quantities.It is single
Only coagulating sedimentation reaction is unable to improve the biodegradability of purified wastewater, and water outlet COD value is higher, and subsequent structures processing load increases
Greatly, and in reaction excessive coagulant is added, it is economical poor.Common method of disposal is disposed outside such as entrusting, costly, and
There is certain security risk, it cannot be from the pollution problem for solving such waste water at all.
Utility model content
Goal of the invention: the utility model provides a kind of pretreatment unit of purified wastewater, of the existing technology to solve
Biodegradability is poor when purified wastewater processing, water outlet COD etc. pollutant concentrations can not stably reaching standard discharge the problem of.
Technical solution: the utility model discloses a kind of purified wastewater pretreatment units, including are sequentially connected by pipeline
Conditioning tank, PH conditioning tank, micro cell, Fenton pond, neutralization pond, coagulating basin, flocculation basin, primary sedimentation tank and sludge concentration tank；It is dirty
Reuse pipeline is equipped between mud thickener and conditioning tank.
Wherein, the PH conditioning tank is equipped with acid, alkali feeding port.
Wherein, the Fenton pond is equipped with Fenton medicament administration mouth.
Wherein, the neutralization pond is equipped with acid, alkali feeding port.
Wherein, the coagulating basin is equipped with coagulant dosing mouth.
Wherein, the flocculation basin is equipped with PAM dosing mouth.
For equipment in use, the purification waste water gravity flow of (1) categorized collection enters conditioning tank 1, water outlet conveys pH by elevator pump
Conditioning tank 2, conditioning tank 1 is interior to be equipped with liquidometer, and links with elevator pump.
(2) it after purification waste water enters pH conditioning tank 2, is uniformly mixed under blender effect, and adjust pH to 3；PH is adjusted
NaOH and H is equipped in pond 22SO4Chemical feeding points, and online pH meter is housed.
(3) water outlet of pH conditioning tank 2 is filled with iron-carbon micro-electrolysis filler and aeration stirrer in pond from micro cell 3 is flow to,
Waste water after reaction is equipped with blender and ORP is counted, by adding H from Fenton pond 4 is flow in Fenton pond 42O2With FeSO4, control
ORP is 450mv-500mv, and water outlet is equipped with blender and online pH meter and NaOH and H in pond from neutralization pond 5 is flow to2SO4Add
Snack made with traditional Chinese medicines, adjusting pH is 7.
(4) water outlet of neutralization pond 5 sequentially enters coagulating basin 6 and flocculation basin 7, and PAC chemical feeding points are equipped in coagulating basin 6, are being wadded a quilt with cotton
It is equipped with PAM chemical feeding points in solidifying pond 7, is equipped with blender in two ponds.
(5) water outlet of flocculation basin 7 gravity flow enters primary sedimentation tank 8, is separated by solid-liquid separation under slow stirrer effect, after precipitating
Supernatant is flowed out from upper end overflow weir, and into subsequent processing facility, the sludge timing of generation is delivered to sludge by sludge delivery pump
Concentration basin 9, and make further sludge treatment measure.
(6) water inlet conditioning tank is entered by the outer processing of mud cake committee, sludge concentration tank supernatant after filter press filters pressing after being concentrated.
The utility model has the advantages that purified wastewater pretreatment unit provided by the utility model has the characteristics that
1) the utility model is had for purified wastewater characteristic using light electrolysis combination Fenton process Combined Treatment purification waste water
Degradation of contaminant is imitated, the B/C ratio of purification waste water is improved.
2) compared with traditional Fenton pretreating process, increase microelectrolysis processing device, further promote oxidation contact break effect,
Reduce subsequent biochemical processing and advanced treating structures load.
3) Fe-C micro electrolysis process generates a certain amount of ferric ion, can promote subsequent coagulating effect, and save
Coagulant charging quantity.
4) apparatus structure is simple, easy to operate, only reacts requirement by stirring and adding a small amount of medicament to meet, reduces
Operating cost and processing difficulty.
In conclusion the removal rate of influent COD is improved BOD/COD value about 70%, is reduced at subsequent biochemical up to 60%
The pollutional load of reason system；Compared with traditional Fenton oxidation technique, FeSO is reduced4Dosage about 55%, and reduce sludge generation
Amount about 30%；Operating cost is about 4.6 yuan/ton of water, and operating cost is lower.
Detailed description of the invention
Fig. 1 is a kind of structural framing figure of purified wastewater pretreatment unit.
Specific embodiment
The utility model is further explained with reference to the accompanying drawing.
The utility model discloses a kind of purified wastewater pretreatment units, including by the sequentially connected conditioning tank 1 of pipeline,
PH conditioning tank 2, micro cell 3, Fenton pond 4, neutralization pond 5, coagulating basin 6, flocculation basin 7, primary sedimentation tank 8 and sludge concentration tank 9；Sludge
Reuse pipeline is equipped between concentration basin 9 and conditioning tank 1.
Wherein, the PH conditioning tank 2 is equipped with acid, alkali feeding port.
Wherein, the Fenton pond 4 is equipped with Fenton medicament administration mouth.
Wherein, the neutralization pond 5 is equipped with acid, alkali feeding port.
Wherein, the coagulating basin 6 is equipped with coagulant dosing mouth.
Wherein, the flocculation basin 7 is equipped with PAM dosing mouth.
For equipment in use, the purification waste water gravity flow of (1) categorized collection enters conditioning tank 1, water outlet conveys pH by elevator pump
Conditioning tank 2, conditioning tank 1 is interior to be equipped with liquidometer, and links with elevator pump.
(2) it after purification waste water enters pH conditioning tank 2, is uniformly mixed under blender effect, and adjust pH to 3；PH is adjusted
NaOH and H is equipped in pond 22SO4Chemical feeding points, and online pH meter is housed.
(3) water outlet of pH conditioning tank 2 is filled with iron-carbon micro-electrolysis filler and aeration stirrer in pond from micro cell 3 is flow to,
Waste water after reaction is equipped with blender and ORP is counted, by adding H from Fenton pond 4 is flow in Fenton pond 42O2With FeSO4, control
ORP is 450mv-500mv, and water outlet is equipped with blender and online pH meter and NaOH and H in pond from neutralization pond 5 is flow to2SO4Add
Snack made with traditional Chinese medicines, adjusting pH is 7.
(4) water outlet of neutralization pond 5 sequentially enters coagulating basin 6 and flocculation basin 7, and PAC chemical feeding points are equipped in coagulating basin 6, are being wadded a quilt with cotton
It is equipped with PAM chemical feeding points in solidifying pond 7, is equipped with blender in two ponds.
(5) water outlet of flocculation basin 7 gravity flow enters primary sedimentation tank 8, is separated by solid-liquid separation under slow stirrer effect, after precipitating
Supernatant is flowed out from upper end overflow weir, and into subsequent processing facility, the sludge timing of generation is delivered to sludge by sludge delivery pump
Concentration basin 9, and make further sludge treatment measure.
(6) water inlet conditioning tank is entered by the outer processing of mud cake committee, sludge concentration tank supernatant after filter press filters pressing after being concentrated.
Purified wastewater pretreatment unit provided by the utility model has the characteristics that
5) the utility model is had for purified wastewater characteristic using light electrolysis combination Fenton process Combined Treatment purification waste water
Degradation of contaminant is imitated, the B/C ratio of purification waste water is improved.
6) compared with traditional Fenton pretreating process, increase microelectrolysis processing device, further promote oxidation contact break effect,
Reduce subsequent biochemical processing and advanced treating structures load.
7) Fe-C micro electrolysis process generates a certain amount of ferric ion, can promote subsequent coagulating effect, and save
Coagulant charging quantity.
8) apparatus structure is simple, easy to operate, only reacts requirement by stirring and adding a small amount of medicament to meet, reduces
Operating cost and processing difficulty.
In conclusion the removal rate of influent COD is improved BOD/COD value about 70%, is reduced at subsequent biochemical up to 60%
The pollutional load of reason system；Compared with traditional Fenton oxidation technique, FeSO is reduced4Dosage about 55%, and reduce sludge generation
Amount about 30%；Operating cost is about 4.6 yuan/ton of water, and operating cost is lower.
The utility model provides the thinking and method of a kind of purified wastewater pretreatment unit, implements the technical solution
Method and approach it is very much, the above is only the preferred embodiment of the utility model, it is noted that for the art
Those of ordinary skill for, without departing from the principle of this utility model, several improvements and modifications can also be made, this
A little improvements and modifications also should be regarded as the protection scope of the utility model, and each component part being not known in the present embodiment is available existing
There is technology to be realized.
Claims (6)
1. a kind of purified wastewater pretreatment unit, characterized in that including being adjusted by the sequentially connected conditioning tank of pipeline (1), PH
Pond (2), micro cell (3), Fenton pond (4), neutralization pond (5), coagulating basin (6), flocculation basin (7), primary sedimentation tank (8) and sludge condensation
Pond (9)；Reuse pipeline is equipped between sludge concentration tank (9) and conditioning tank (1).
2. a kind of purified wastewater pretreatment unit according to claim 1, characterized in that the PH conditioning tank (2) is equipped with
Acid, alkali feeding port.
3. a kind of purified wastewater pretreatment unit according to claim 1, characterized in that the Fenton pond (4) is equipped with sweet smell
Pause medicament administration mouth.
4. a kind of purified wastewater pretreatment unit according to claim 1, characterized in that the neutralization pond (5) be equipped with acid,
Alkali feeding port.
5. a kind of purified wastewater pretreatment unit according to claim 1, characterized in that the coagulating basin (6) is equipped with mixed
Solidifying agent dosing mouth.
6. a kind of purified wastewater pretreatment unit according to claim 1, characterized in that the flocculation basin (7) is equipped with PAM
Dosing mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821283999.5U CN209010294U (en) | 2018-08-09 | 2018-08-09 | A kind of purified wastewater pretreatment unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821283999.5U CN209010294U (en) | 2018-08-09 | 2018-08-09 | A kind of purified wastewater pretreatment unit |
Publications (1)
| Publication Number | Publication Date |
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| CN209010294U true CN209010294U (en) | 2019-06-21 |
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ID=66829607
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821283999.5U Active CN209010294U (en) | 2018-08-09 | 2018-08-09 | A kind of purified wastewater pretreatment unit |
Country Status (1)
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| CN (1) | CN209010294U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111646608A (en) * | 2019-12-11 | 2020-09-11 | 浙江美纳环保科技有限公司 | Skid-mounted system for electrochemically treating various kinds of sewage |
| WO2021176929A1 (en) * | 2020-03-06 | 2021-09-10 | ソニーグループ株式会社 | Unwanted substance removal device and method for removing unwanted substance, and separation device and separation method |
-
2018
- 2018-08-09 CN CN201821283999.5U patent/CN209010294U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111646608A (en) * | 2019-12-11 | 2020-09-11 | 浙江美纳环保科技有限公司 | Skid-mounted system for electrochemically treating various kinds of sewage |
| WO2021176929A1 (en) * | 2020-03-06 | 2021-09-10 | ソニーグループ株式会社 | Unwanted substance removal device and method for removing unwanted substance, and separation device and separation method |
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