CN204174041U - A kind of biochemical waste water treatment unit - Google Patents
A kind of biochemical waste water treatment unit Download PDFInfo
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- CN204174041U CN204174041U CN201420390324.6U CN201420390324U CN204174041U CN 204174041 U CN204174041 U CN 204174041U CN 201420390324 U CN201420390324 U CN 201420390324U CN 204174041 U CN204174041 U CN 204174041U
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- waste water
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- aeration tank
- tank
- treatment unit
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Abstract
A kind of biochemical waste water treatment unit, comprise connect successively according to technical process grating tank, hydrolysis acidification pool, coagulative precipitation tank, aeration tank, biochemical sedimentation basin, sand filter and clean water basin; The mid-way of hydrolysis acidification pool is provided with diving mixer, is provided with sludge pump bottom it; The utility model passes through improvements over the prior art; reduce the volume of settling bowl, sludge thickener; reduce the processing step such as dewatering press, drying, greatly reduce capital construction cost and working cost, social benefit is obvious; simultaneously; the utility model by reuse after dyeing waste water advanced treatment to production plant, good to the treatment effect of dyeing waste water, achieve the recycling to dyeing waste water; less discharge, protects environment.
Description
Technical field
The utility model relates to sewage disposal technology, is specially a kind of biochemical waste water treatment unit.
Background technology
Dyeing uses water rich and influential family, is also blowdown rich and influential family, and dyeing waste water is processing cotton, fiber crops, man-made fiber and blending product thereof is the waste water that main printing and dyeing mill discharges.The dyeing waste water water yield is comparatively large, and every dyeing and printing process 1 ton of textiles water consumption 100 ~ 200 tons, wherein 80 ~ 90% become waste water.Textile printing and dyeing wastewater has the features such as the water yield is large, organic pollutant content is high, alkalescence is large, change of water quality is large, belong to one of unmanageable trade effluent, containing dyestuff, slurry, auxiliary agent, finish, soda acid, fiber impurity, sand class material, inorganic salt etc. in waste water, printing and dyeing enterprise generally all has Sewage treatment systems, existing Sewage treatment systems mainly adopts physico-chemical pretreatment technique, the treated rear tube drainage of directly receiving up to standard of sewage, enters municipal sewage treatment pipe network or directly enters surface water body.But because existing system does not carry out biochemical treatment, ammonia nitrogen exceeds standard, ubiquity biochemical leading portion molecular chain and is difficult to interrupt, cause biochemical section treatment effect bad, zoogloea is fewer, and COD removal efficiency is low, and considers mouth gradually shortage and the severe contamination of water resources, therefore the angle no matter from enterprise cost or the development angle from social enviroment protection, be back to production after being all necessary that dyeing waste water is carried out advanced treatment, at present in dyeing waste water advanced treatment system, aeration tank is a kind of structures utilizing activated sludge process to carry out sewage disposal, certain dwell time of sewage is provided in pond, meet the mixing condition that oxygen amount required for aerobic microbiological and sewage fully contact with active sludge, tradition aeration tank is primarily of pond body, aerating system and intake-outlet three part composition, pond body generally builds up with Steel Concrete, planeform has rectangle, square and circular etc., this traditional aeration tank but ubiquity capital cost, running cost is high, energy consumption is large, manage more complicated, easily there is sludge bulking, the problems such as Mud up-floating, affect the working efficiency of whole dyeing and printing sewage process line.
Utility model content
The purpose of this utility model is to provide a kind of biochemical waste water treatment unit adopting new-type aeration tank, reduce the volume of settling bowl, sludge thickener, reduce the processing step such as dewatering press, drying, greatly reduce capital construction cost and working cost, social benefit is obvious.
For achieving the above object, the utility model provides following technical scheme:
A kind of biochemical waste water treatment unit, comprise connect successively according to technical process grating tank, hydrolysis acidification pool, coagulative precipitation tank, aeration tank, biochemical sedimentation basin, sand filter and clean water basin; The mid-way of hydrolysis acidification pool is provided with diving mixer, is provided with sludge pump bottom it; The medicament barrel of dosing pump and storage medicament is connected outside described coagulative precipitation tank; The bottom of described aeration tank is provided with aeration head, installs anti-gel sinking hole pattern above aeration head parallel surface additional; Separately arrange a wastewater influent pipeline in water-in side, aeration tank, this pipeline is by wastewater influent pump, and a part is connected to anti-gel lower counterbore side off the net bottom aeration tank 1, and another part is directly connected to water-in; Separately arrange a reflux pipeline in water outlet side, aeration tank, this pipeline, by sewage backflow pump, is connected to anti-gel lower counterbore side off the net bottom aeration tank; Aeration tank water outlet installs filter screen and filter cloth additional; Mud scraper and sludge pump are set bottom described biochemical sedimentation basin, the outer medicament barrel connecting dosing pump, provide medicament and storage medicament for dosing pump; In described sand filter, quartzy filtering layer is set; Described clean water basin are communicated with sand filter, and outer connection reuse pipeline, by the clear water reuse in clean water basin.
Further, the thickness twice grid being used for large particulate matter in waste water to filter is set in described grating tank.
Further, the utility model also includes sludge treating system, and described sludge treating system comprises sludge storage pool, filter-pressing device and outer shipping unit; Be communicated with respectively with hydrolysis acidification pool, coagulative precipitation tank, biochemical sedimentation basin, sand filter with described sludge storage pool.
As the improvement to technique scheme, hydrolysis acidification pool is provided with gas sampling treatment system.
As the improvement to technique scheme, described biochemical sedimentation basin is provided with return line, is communicated with the pipe that enters of aeration tank.
As the improvement to technique scheme, bottom described sand filter, be provided with lift pump.
Preferably, described its aperture of anti-gel sinking hole pattern is selected as 1mm, and the distance be installed at below aeration head parallel surface is 50mm place; The aperture of the filter screen 8 that aeration tank water outlet installs additional is 4mm, and the aperture of filter cloth 9 is 10 μm.
Preferably, the micro porous aeration head that the aeration head bottom described aeration tank selects aperture little, each aeration head distance can be relaxed, and makes each aeration head service area arrive 0.5 ㎡; Aeration tank 1 water outlet is widened, and its flow area amplifies 30% after calculating according to the rate of output water that filter screen, filter cloth are selected.
Compared with prior art; the utility model, by improvements over the prior art, reduces the volume of settling bowl, sludge thickener, reduces the processing step such as dewatering press, drying; greatly reduce capital construction cost and working cost; social benefit is obvious, meanwhile, the utility model by reuse after dyeing waste water advanced treatment to production plant; good to the treatment effect of dyeing waste water; achieve the recycling to dyeing waste water, less discharge, protects environment.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of printing and dyeing wastewater treatment system of the present utility model.
Fig. 2 is the structural representation of aeration tank in the utility model.
Embodiment
The technique means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the utility model further.
A kind of biochemical waste water treatment unit as shown in Fig. 1 ~ 2, comprise connect successively according to technical process grating tank, hydrolysis acidification pool, coagulative precipitation tank, aeration tank 1, biochemical sedimentation basin, sand filter and clean water basin, interior setting is used for the thickness twice grid filtered by large particulate matter in waste water; The larger molecular organics of difficult degradation is hydrolyzed to small organic molecule with microorganism by described hydrolysis acidification pool, the mid-way of hydrolysis acidification pool is provided with the diving mixer stirring sewage, microorganism and sewage are fully contacted, and is provided with the sludge pump getting rid of base sludge bottom it; Described coagulative precipitation tank carries out coagulating, removes partial organic substances, the medicament barrel of reduce subsequent biochemical processing load, connect dosing pump outside coagulative precipitation tank, provide for dosing pump medicament and storage medicament; Aeration head 2 is provided with in the bottom of described aeration tank 1, install anti-gel sinking hole pattern 3 above aeration head 2 parallel surface additional; Separately arrange a wastewater influent pipeline 4 in water-in side, aeration tank 1, this pipeline is by wastewater influent pump 5, and a part is connected to bottom aeration tank 1 below anti-gel sinking hole pattern 3, and another part is directly connected to water-in; Separately arrange a reflux pipeline 6 in water outlet side, aeration tank 1, this pipeline by sewage backflow pump 7, to be connected to bottom aeration tank 1 below anti-gel sinking hole pattern 3; Aeration tank 1 water outlet installs filter screen 8 and filter cloth 9 additional; Mud scraper and sludge pump are set bottom described biochemical sedimentation basin, the outer medicament barrel connecting dosing pump, provide medicament and storage medicament for dosing pump; In described sand filter, quartzy filtering layer is set; Described clean water basin are communicated with sand filter, and outer connection reuse pipeline, by the clear water reuse in clean water basin.
The utility model also includes sludge treating system, and described sludge treating system comprises sludge storage pool, filter-pressing device and outer shipping unit; Be communicated with respectively with hydrolysis acidification pool, coagulative precipitation tank, biochemical sedimentation basin, sand filter with described sludge storage pool, for storing mud; Mud after press filtration draining by sludge press filtration draining, and is flowed to the unit recipient process that the friendship of outer shipping unit has qualification by described filter-pressing device.
As the improvement to technique scheme, hydrolysis acidification pool is provided with gas sampling treatment system.
As the improvement to technique scheme, described biochemical sedimentation basin is provided with return line, is communicated with the pipe that enters of aeration tank.
As the improvement to technique scheme, bottom described sand filter, be provided with lift pump, be used for the quartz of bottom being filtered lifting top and clean.
Preferably, it is 1 mm that described its aperture of anti-gel sinking hole pattern 3 is selected, and the distance be installed at below aeration head 2 parallel surface is 50mm place; The aperture of the filter screen 8 that aeration tank 1 water outlet installs additional is 4 mm, and the aperture of filter cloth 9 is 10 μm.
Preferably, the micro porous aeration head that the aeration head 2 bottom described aeration tank 1 selects aperture little, each aeration head 2 distance can be relaxed, and makes each aeration head service area arrive 0.5 ㎡; Aeration tank 1 water outlet is widened, and its flow area amplifies 30% after calculating according to the rate of output water that filter screen 8, filter cloth 9 are selected.
When adopting one-level aeration tank to dispose of sewage not up to standard, one or more levels aeration tank of can connecting again is as required further processed, and wherein each aeration tank can the same also can according to circumstances adjust the loadings, operation process etc. of aeration tank volume, gel.
To those skilled in the art, obvious the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the utility model.Any Reference numeral in claim should be considered as the claim involved by limiting.
Claims (6)
1. a biochemical waste water treatment unit, is characterized in that: comprise connect successively according to technical process grating tank, hydrolysis acidification pool, coagulative precipitation tank, aeration tank, biochemical sedimentation basin, sand filter and clean water basin; The mid-way of hydrolysis acidification pool is provided with diving mixer, is provided with sludge pump bottom it; The medicament barrel of dosing pump and storage medicament is connected outside described coagulative precipitation tank; The bottom of described aeration tank is provided with aeration head, installs anti-gel sinking hole pattern above aeration head parallel surface additional; Separately arrange a wastewater influent pipeline in water-in side, aeration tank, this pipeline is by wastewater influent pump, and a part is connected to anti-gel lower counterbore side off the net bottom aeration tank, and another part is directly connected to water-in; Separately arrange a reflux pipeline in water outlet side, aeration tank, this pipeline, by sewage backflow pump, is connected to anti-gel lower counterbore side off the net bottom aeration tank; Aeration tank water outlet installs filter screen and filter cloth additional; Mud scraper and sludge pump are set bottom described biochemical sedimentation basin, the outer medicament barrel connecting dosing pump, provide medicament and storage medicament for dosing pump; In described sand filter, quartzy filtering layer is set; Described clean water basin are communicated with sand filter, outer connection reuse pipeline; The thickness twice grid being used for large particulate matter in waste water to filter is set in described grating tank.
2. a kind of biochemical waste water treatment unit according to claim 1, is characterized in that: also include sludge treating system, and described sludge treating system comprises sludge storage pool, filter-pressing device and outer shipping unit; Be communicated with respectively with hydrolysis acidification pool, coagulative precipitation tank, biochemical sedimentation basin, sand filter with described sludge storage pool.
3. a kind of biochemical waste water treatment unit according to claim 1, is characterized in that: described hydrolysis acidification pool is provided with gas sampling treatment system.
4. a kind of biochemical waste water treatment unit according to claim 1, is characterized in that: described biochemical sedimentation basin is provided with return line, is communicated with the pipe that enters of aeration tank.
5. a kind of biochemical waste water treatment unit according to claim 1, is characterized in that: be provided with lift pump bottom described sand filter.
6. a kind of biochemical waste water treatment unit according to claim 1, is characterized in that: described its aperture of anti-gel sinking hole pattern is selected as 1mm, and the distance be installed at below aeration head parallel surface is 50mm place; The aperture of the filter screen that aeration tank water outlet installs additional is 4mm, and the aperture of filter cloth is 10 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420390324.6U CN204174041U (en) | 2014-07-16 | 2014-07-16 | A kind of biochemical waste water treatment unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420390324.6U CN204174041U (en) | 2014-07-16 | 2014-07-16 | A kind of biochemical waste water treatment unit |
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| CN204174041U true CN204174041U (en) | 2015-02-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420390324.6U Expired - Fee Related CN204174041U (en) | 2014-07-16 | 2014-07-16 | A kind of biochemical waste water treatment unit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108751593A (en) * | 2018-06-21 | 2018-11-06 | 浙江鑫广环保科技有限公司 | A kind of big ton amount industrial wastewater integrated conduct method and its system |
| CN110092545A (en) * | 2019-05-21 | 2019-08-06 | 江苏尚裕润环保工程有限公司 | A kind of nitrogenous processing exhaust system of coating wastewater |
-
2014
- 2014-07-16 CN CN201420390324.6U patent/CN204174041U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108751593A (en) * | 2018-06-21 | 2018-11-06 | 浙江鑫广环保科技有限公司 | A kind of big ton amount industrial wastewater integrated conduct method and its system |
| CN108751593B (en) * | 2018-06-21 | 2021-01-22 | 浙江鑫广环保科技有限公司 | Comprehensive treatment method and system for large-tonnage industrial wastewater |
| CN110092545A (en) * | 2019-05-21 | 2019-08-06 | 江苏尚裕润环保工程有限公司 | A kind of nitrogenous processing exhaust system of coating wastewater |
| CN110092545B (en) * | 2019-05-21 | 2022-07-12 | 江苏尚裕润环保工程有限公司 | Coating wastewater nitrogen-containing treatment and discharge system |
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| Date | Code | Title | Description |
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| 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: 20150225 Termination date: 20180716 |