CN209740908U - Concentrated retrieval and utilization device of application waste water - Google Patents
Concentrated retrieval and utilization device of application waste water Download PDFInfo
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- CN209740908U CN209740908U CN201821873314.2U CN201821873314U CN209740908U CN 209740908 U CN209740908 U CN 209740908U CN 201821873314 U CN201821873314 U CN 201821873314U CN 209740908 U CN209740908 U CN 209740908U
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- tank
- mbr
- reverse osmosis
- pipeline
- water
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- 239000002351 wastewater Substances 0.000 title claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 62
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 43
- 238000006243 chemical reaction Methods 0.000 claims abstract description 37
- 238000004064 recycling Methods 0.000 claims abstract description 20
- 239000010802 sludge Substances 0.000 claims abstract description 17
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 14
- 239000011248 coating agent Substances 0.000 claims abstract description 13
- 238000000576 coating method Methods 0.000 claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 claims abstract description 11
- 238000004062 sedimentation Methods 0.000 claims abstract description 11
- 238000005273 aeration Methods 0.000 claims abstract description 8
- 238000005189 flocculation Methods 0.000 claims description 7
- 230000016615 flocculation Effects 0.000 claims description 7
- 238000005345 coagulation Methods 0.000 claims description 5
- 230000015271 coagulation Effects 0.000 claims description 5
- 239000012528 membrane Substances 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 11
- 238000005188 flotation Methods 0.000 abstract description 7
- 238000000926 separation method Methods 0.000 abstract description 3
- 230000007774 longterm Effects 0.000 abstract description 2
- 230000014759 maintenance of location Effects 0.000 abstract 1
- 244000005700 microbiome Species 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000012028 Fenton's reagent Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000010170 biological method Methods 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model relates to a coating wastewater concentration and reuse device, which comprises an adjusting tank, a delivery pump, a Fenton reaction device, an inclined plate sedimentation tank, a comprehensive reaction device, an air flotation device, an MBR biochemical tank, an MBR aeration system, an MBR suction pump, an MBR water production tank, a water supply pump, a carbon filter, a high-pressure pump and a reverse osmosis device; according to the scheme, the MBR biochemical tank is used for replacing a traditional activated sludge method, so that the separation of sludge age and hydraulic retention time is realized, the sludge concentration is greatly improved, the effluent quality is good, and the occupied area is small; a series of pretreatment devices are arranged at the front end of the MBR, and the functions of reducing COD, SS and the like are sequentially realized through the effective combination of the pretreatment devices, so that the long-term and high-efficiency operation of the MBR biochemical system is ensured; the carbon filter further removes turbidity and COD, and ensures the stable operation of subsequent reverse osmosis; the recycling system adopts two-stage reverse osmosis, reduces the discharge amount and ensures the maximum recycling of the waste water.
Description
Technical Field
The utility model relates to a concentrated retrieval and utilization device of application waste water.
Background
The coating waste water contains a large amount of organic matters which have complex components and are difficult to biodegrade, and generally synthetic resin compounds with large molecular weight and complex structures and soluble organic solvents. Once the waste water is directly discharged into the environment without treatment, the waste water is difficult to decompose and stays in environmental media such as water bodies and soil for a long time, thereby causing serious harm to the ecological environment.
At present, the main treatment methods for treating the coating wastewater include a biological method, a coagulating sedimentation method, a chemical oxidation method, a paint mist coagulant method, a co-metabolism treatment method and the like. The quality of waste water produced by different production processes is different, and the adopted process combinations are also different. For the wastewater, the traditional method is to directly carry out coagulation treatment or direct biological sludge method on the wastewater by using a device, but the single methods have unobvious treatment effect, unstable effluent quality, difficult achievement of discharge standard and failure of saving principle of wastewater recycling.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an efficient coating wastewater recycling and concentrating device in order to overcome the defects of the prior device.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a coating wastewater concentration and recycling device comprises a regulating tank, a delivery pump, a Fenton reaction device, an inclined plate sedimentation tank, a comprehensive reaction device, an air floatation device, an MBR biochemical tank, an MBR suction pump, an MBR aeration system, an MBR water production tank, a water supply pump, a carbon filter, a first-stage high-pressure pump, a first-stage reverse osmosis, a second-stage high-pressure pump and a second-stage reverse osmosis; the regulating tank is communicated with the Fenton reaction device through a delivery pump and a pipeline thereof; the Fenton reaction device, the inclined plate sedimentation tank, the comprehensive reaction device, the air floatation device and the MBR biochemical tank are sequentially communicated through pipelines; the MBR biochemical tank is communicated with an MBR production water tank through an MBR suction pump and a pipeline thereof, the MBR production water tank is communicated with a carbon filter through a water supply pump and a pipeline thereof, the carbon filter is communicated with first-stage reverse osmosis through a first-stage high-pressure pump and a pipeline thereof, and first-stage reverse osmosis concentrated water is communicated with second-stage reverse osmosis through a second-stage high-pressure pump and a pipeline thereof.
Preferably, the fenton reaction device comprises a first-stage pH adjusting tank, a fenton reaction tank and a first-stage flocculation reaction tank which are arranged in sequence.
Preferably, the comprehensive reaction device comprises a second-stage pH adjusting tank, a coagulation reaction tank and a second-stage flocculation reaction tank which are arranged in sequence.
Preferably, the MBR biochemical tank comprises activated sludge, an aeration system and an MBR membrane.
Preferably, the device also comprises a sludge treatment device, sludge produced by the inclined plate sedimentation tank, the air flotation device and the MBR biochemical tank is sent to the sludge treatment device for dehydration, and filtrate is sent back to the regulating tank.
Preferably, the first-stage reverse osmosis system is provided with a clean water recycling pipeline and a concentrated water conveying pipeline, the first-stage reverse osmosis system is communicated to the second-stage reverse osmosis system through a second-stage high-pressure pump and the concentrated water conveying pipeline, the second-stage reverse osmosis system is provided with a clean water branch pipeline and a concentrated water discharging pipeline, and the clean water branch pipeline and the clean water pipeline of the first-stage reverse osmosis system are recycled as reuse water.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:
The utility model discloses the concentrated retrieval and utilization device of application waste water of scheme uses the biochemical pond of MBR to replace traditional activated sludge process, has realized sludge age and water conservancy dwell time phase separation, has improved mud concentration greatly, and it is good and area is little to go out water quality, and in the leading pretreatment system of MBR, set up devices such as first-order fenton advanced oxidation reaction precipitation and second grade coagulation flocculation reaction air supporting, through the effective combination of pretreatment device, realized in proper order that COD falls functions such as SS, has ensured the biochemical system of MBR long-term high-efficient operation; the carbon filter further removes turbidity and COD, and ensures the stable operation of subsequent reverse osmosis; the recycling system adopts two-stage reverse osmosis, reduces the discharge amount and ensures the maximum recycling of the waste water.
Drawings
The technical scheme of the utility model is further explained by combining the attached drawings as follows:
FIG. 1 is a schematic view of the coating wastewater concentration and recycling device of the present invention;
fig. 2 is a schematic diagram of the fenton reaction device of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-2, the device for concentrating and recycling coating wastewater of the present invention comprises an adjusting tank 1, a delivery pump 2, a fenton reaction device 3, an inclined plate precipitation tank 4, a comprehensive reaction device 5, an air flotation device 6, an MBR biochemical tank 7, an MBR suction pump 8, an MBR aeration system 9, an MBR water production tank 10, a water supply pump 11, a carbon filter 12, a primary high pressure pump 13, a primary reverse osmosis device 14, a secondary high pressure pump 15, a secondary reverse osmosis device 16 and a sludge disposal device; the adjusting tank 1 is communicated with the Fenton reaction device 3 through a delivery pump 2 and a pipeline thereof; the Fenton reaction device 3, the inclined plate sedimentation tank 4, the comprehensive reaction device 5, the air flotation device 6 and the MBR biochemical tank 7 are sequentially communicated through pipelines; the MBR biochemical tank 7 is communicated with an MBR water production tank 10 through an MBR suction pump 8 and a pipeline thereof, the MBR water production tank 10 is communicated with a carbon filter 12 through a water supply pump 11 and a pipeline thereof, the carbon filter 12 is communicated with a first-stage reverse osmosis 14 through a first-stage high-pressure pump 13 and a pipeline thereof, and concentrated water of the first-stage reverse osmosis 14 is communicated with a second-stage reverse osmosis 16 through a second-stage high-pressure pump 15 and a pipeline thereof. The reverse osmosis unit has a primary reverse osmosis 14 and a secondary reverse osmosis 16; the first-stage reverse osmosis 14 is provided with a clean water recycling pipeline and a concentrated water conveying pipeline, the first-stage reverse osmosis 14 is communicated to a second-stage reverse osmosis 16 through a second-stage high-pressure pump 15 and the concentrated water conveying pipeline, the second-stage reverse osmosis 16 is provided with a clean water branch pipeline and a concentrated water discharging pipeline, and the clean water branch pipeline and the clean water pipeline of the first-stage reverse osmosis 14 are used as recycled water for recycling.
During operation, the workshop coating wastewater passes through the equalizing tank 1 to equalize water quantity and water quality, the equalized wastewater enters the primary pH adjusting tank 21, is adjusted to a reasonable range through acid-base agents and then flows to the Fenton reaction tank 22, a Fenton reagent is added into the Fenton reaction device, hydroxyl radicals generated by the Fenton reagent oxidize organic matters, the hydroxyl radicals have strong oxidizing property and can oxidize most organic matters into carbon dioxide and water, and partial organic matters which cannot be removed generate easily-generated organic matters due to oxidation, most suspended matters and partial organic matters are removed and then flow into the primary flocculation reaction tank 23, the hydroxyl radicals flow into the inclined plate precipitation tank 4 after the sedimentation performance is adjusted through adding drugs, then supernatant liquid is connected to the secondary pH adjusting tank through a pipeline and flows into the coagulation reaction tank and the secondary flocculation reaction tank after the pH adjusting tank is adjusted to a reasonable range through acid-base agents, the sedimentation performance is adjusted by adding drugs and then the wastewater flows into an air flotation device 6 to further remove suspended matters and partial organic matters, air flotation effluent is connected through a pipeline and flows to an MBR biochemical tank 7 automatically, the separation effect is greatly improved by utilizing the technology of combining activated sludge and an MBR membrane, meanwhile, the microorganisms are completely intercepted in a bioreactor by membrane separation, so that the higher microorganism concentration can be maintained in the system, the integral removal efficiency of the reaction device on pollutants is improved, the good effluent quality is ensured, meanwhile, the reactor has good adaptability to the inflow load water quality and various changes of the water quantity, the impact load resistance is strong, and the high-quality effluent quality can be stably obtained; dissolved oxygen and membrane aeration cleaning required by microorganisms are supplied to an MBR biochemical tank through an MBR aeration system 9, produced water is pumped into an MBR produced water tank 10 through an MBR suction pump 8, and then is pumped into a carbon filter 12 through a water supply pump 11 and a pipeline, so that turbidity and COD are further removed, and the subsequent reverse osmosis stable operation is ensured; the water discharged from the carbon filter 12 is sent to a first-stage reverse osmosis 14 by a first-stage high-pressure pump 13, the produced water of the first-stage reverse osmosis 14 is recycled to a workshop, the concentrated water enters a second-stage reverse osmosis 16 by a second-stage high-pressure pump 15 and a pipeline thereof, the produced water is recycled together with the produced water of the first-stage reverse osmosis 14, and the concentrated water is discharged, so that the discharge amount of the concentrated water is greatly reduced, and the recycling rate of the sewage is further improved; and the sludge generated by the inclined plate sedimentation tank 4, the air flotation device 6 and the MBR biochemical tank 7 is sent to a sludge treatment device for dehydration, and the filtrate returns to the regulating tank 1, wherein the sludge treatment device is not shown in the figure.
the above is only a specific application example of the present invention, and does not constitute any limitation to the protection scope of the present invention. All the technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the present invention.
Claims (6)
1. The utility model provides a concentrated retrieval and utilization device of application waste water which characterized in that: the device comprises a regulating tank (1), a delivery pump (2), a Fenton reaction device (3), an inclined plate sedimentation tank (4), a comprehensive reaction device (5), an air floatation device (6), an MBR biochemical tank (7), an MBR suction pump (8), an MBR aeration system (9), an MBR water production tank (10), a water supply pump (11), a carbon filter (12), a primary high-pressure pump (13), a primary reverse osmosis (14), a secondary high-pressure pump (15) and a secondary reverse osmosis (16); the adjusting tank (1) is communicated with the Fenton reaction device (3) through a delivery pump (2) and a pipeline thereof; the Fenton reaction device (3), the inclined plate sedimentation tank (4), the comprehensive reaction device (5), the air floatation device (6) and the MBR biochemical tank (7) are communicated in sequence through pipelines; the MBR biochemical tank (7) is communicated with an MBR water production tank (10) through an MBR suction pump (8) and a pipeline thereof, the MBR water production tank (10) is communicated with a carbon filter (12) through a water supply pump (11) and a pipeline thereof, the carbon filter (12) is communicated with a first-stage reverse osmosis (14) through a first-stage high-pressure pump (13) and a pipeline thereof, and concentrated water of the first-stage reverse osmosis (14) is communicated with a second-stage reverse osmosis (16) through a second-stage high-pressure pump (15) and a pipeline thereof.
2. The coating wastewater concentrating and recycling device according to claim 1, characterized in that: the Fenton reaction device (3) comprises a first-stage pH adjusting tank (21), a Fenton reaction tank (22) and a first-stage flocculation reaction tank (23) which are sequentially arranged.
3. The coating wastewater concentrating and recycling device according to claim 1, characterized in that: the comprehensive reaction device (5) comprises a secondary pH adjusting tank, a coagulation reaction tank and a secondary flocculation reaction tank which are arranged in sequence.
4. The coating wastewater concentrating and recycling device according to claim 1, characterized in that: the MBR biochemical tank (7) comprises activated sludge, an aeration system and an MBR membrane.
5. the coating wastewater concentrating and recycling device according to claim 1, characterized in that: also comprises a sludge disposal device.
6. The coating wastewater concentrating and recycling device according to claim 1, characterized in that: the first-stage reverse osmosis (14) is provided with a clean water recycling pipeline and a concentrated water conveying pipeline, the first-stage reverse osmosis (14) is communicated to the second-stage reverse osmosis (16) through a second-stage high-pressure pump (15) and the concentrated water conveying pipeline, the second-stage reverse osmosis (16) is provided with a clean water branch pipeline and a concentrated water discharging pipeline, and the clean water branch pipeline and the clean water pipeline of the first-stage reverse osmosis (14) are used as recycled water for recycling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821873314.2U CN209740908U (en) | 2018-11-14 | 2018-11-14 | Concentrated retrieval and utilization device of application waste water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821873314.2U CN209740908U (en) | 2018-11-14 | 2018-11-14 | Concentrated retrieval and utilization device of application waste water |
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| Publication Number | Publication Date |
|---|---|
| CN209740908U true CN209740908U (en) | 2019-12-06 |
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| CN201821873314.2U Active CN209740908U (en) | 2018-11-14 | 2018-11-14 | Concentrated retrieval and utilization device of application waste water |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111348812A (en) * | 2020-04-24 | 2020-06-30 | 深圳市瑞秋卡森环保科技有限公司 | Metal surface coating wastewater recycling system |
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2018
- 2018-11-14 CN CN201821873314.2U patent/CN209740908U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111348812A (en) * | 2020-04-24 | 2020-06-30 | 深圳市瑞秋卡森环保科技有限公司 | Metal surface coating wastewater recycling system |
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