CN105936559B - A kind of highly difficult wastewater efficient processing system - Google Patents
A kind of highly difficult wastewater efficient processing system Download PDFInfo
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- CN105936559B CN105936559B CN201610559329.0A CN201610559329A CN105936559B CN 105936559 B CN105936559 B CN 105936559B CN 201610559329 A CN201610559329 A CN 201610559329A CN 105936559 B CN105936559 B CN 105936559B
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- flotation
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- coiled pipe
- sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/24—Treatment of water, waste water, or sewage by flotation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/04—Flow arrangements
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Physical Water Treatments (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The present invention discloses a kind of highly difficult wastewater efficient processing system, including soda acid demulsifier tank, flocculant tank, multiple blend tanks, multiple flotation columns and flotation device；The output end of soda acid demulsifier tank passes through pipeline respectively and connect with multiple blend tanks；Multiple blend tanks receive different grades of sewage respectively, and the output end of multiple blend tanks and the output end of flocculant tank are connect with the entrance of multiple coiled pipes respectively, and liquid mixes in coiled pipe；Liquid in coiled pipe enters flotation column by pipeline；Flotation column is located at the top of flotation device, and the bottom of flotation column is connected with the slot of flotation device, and the filtered water purification of flotation device is discharged by water purification mouth.Beneficial effect is: the system structure is compact, and degree of integration is high, greatly reduces the occupied area of highly difficult sewage leading portion treatment facility；Work efficiency is high for system, improves treatment effect while simplifying highly difficult sewage treatment process；Whole system can whole container shipping, can reach conventional equipment can not should pair environment carry out operation.
Description
Technical field
The present invention relates to a kind of sewage treatment environmental protection equipments, more particularly to a kind of efficient process for highly difficult sewage
System.
Background technique
At present it has been recognized that highly difficult sewage have: the dirts such as garbage loading embeading percolation liquid, steel mill's coking wastewater, Leather Factory
The processing of water is always to perplex the problem of people, and the shared feature for the treatment of process technique is also similar, i.e., complex process, account for
Ground, time-consuming, investment be big, operation when unit (ton) processing cost it is high.These all constrain scope of the enterprise and benefit significantly, to entire
The propulsion of sewage treatment environmental protection cause is extremely disadvantageous.Therefore, there is an urgent need to a kind of simple, efficient processing systems in market.
Summary of the invention
The technical problem to be solved by the invention is to provide a kind of structures, and simple, facilities and equipment takes up little area, invests small, consumption
When few, highly difficult sewage that unit cost is low efficient process system.
The technical scheme adopted by the invention is that: a kind of highly difficult wastewater efficient processing system, including soda acid demulsifier tank,
Flocculant tank, multiple blend tanks, multiple flotation columns and flotation device；The output end of soda acid demulsifier tank pass through respectively pipeline with it is multiple
Blend tank connection；Multiple blend tanks receive different grades of sewage respectively, the output ends of multiple blend tanks and flocculant tank it is defeated
Outlet is connect with the entrance of multiple coiled pipes respectively, and liquid mixes in coiled pipe；Liquid in coiled pipe is entered by pipeline
Flotation column；Flotation column is located at the top of flotation device, and the bottom of flotation column is connected with the slot of flotation device, and flotation device is filtered net
Water is discharged by water purification mouth.
Flotation device is multistage lattice bathtub construction, is mounted on flotation column above each lattice slot.
Soda acid demulsifier tank includes sour tank, alkali tank and demulsifier tank, is connect respectively with the respective pump housing, and the pump housing is by tank body liquid
Body is sent into blend tank by pipeline；Blend tank is all connected with there are two allotment pump, and an allotment pump receives the sewage of different stage,
In liquid to coiled pipe in another allotment pump conveying blend tank.
Further include have dissolving and dissolved air water pump group at high pressure dissolved air water, high pressure dissolved air water is by pipeline to flotation column
Lower section conveying, enhances flotation effect again.
Further include the high-pressure air feed device being made of air accumulator, air compressor and cooling driers, high-pressure air feed device it is cold
Dry machine is connect by pipeline with slag liquid diaphragm pump, while being connect by pipeline with flotation column.
It further include the dregs and liquor separation device being made of bag filter and slag liquid diaphragm pump；Dregs and liquor separation device and flotation device
There is pipeline to be connected.
The slag liquid mixture of flotation device one end is sent by the extraction of slag liquid diaphragm pump to bag filter by pipeline, after filter residue
Water is recycled to flotation device.
The beneficial effects of the present invention are: the system structure is compact, degree of integration is high, greatly reduces highly difficult sewage leading portion
The occupied area for the treatment of facility equipment；Work efficiency is high for system, and place is improved while simplifying highly difficult sewage treatment process
Manage effect；Whole system can whole container shipping, can reach conventional equipment can not should pair environment carry out operation.
Detailed description of the invention
Fig. 1 is the highly difficult wastewater efficient processing system floor map of the present invention；
Fig. 2 is the side view of the highly difficult wastewater efficient processing system of the present invention.
In figure:
1. 2. soda acid demulsifier of soda acid demulsifier tank pumps 3. blend tank, 4. blend tank pump
5. 6. flotation column of flotation device, 7. dissolving, 8. air accumulator
9. 10. cooling driers of air compressor, 11. dissolved air water pumps
12. 13. electrical control cabinet of bag filter, 14. slag liquid diaphragm pump
15. 16. water purification outlet of clarified water pump, 17. coiled pipe
18. 19. flocculant of sewage inlet pumps 20. flocculant tanks
21. clear water entrance.
Specific embodiment
Invention is further described in detail with reference to the accompanying drawings and detailed description:
The highly difficult wastewater efficient processing system of the present invention, including it is soda acid demulsifier tank, flocculant tank, multiple blend tanks, more
A flotation column, flotation device, dissolving, dissolved air water pump, air accumulator, air compressor, cooling driers, bag filter, slag liquid diaphragm
Pump, clarified water pump, coiled pipe, flocculant tank, flocculant pump and electrical control cabinet；The output end of soda acid demulsifier tank passes through pipe respectively
Road is connect with multiple blend tanks；Multiple blend tanks receive different grades of sewage, the output end of multiple blend tanks and flocculation respectively
The output end of agent tank is connect with multiple coiled pipes respectively, and liquid mixes in coiled pipe；Liquid in coiled pipe by pipeline into
Enter flotation column；Flotation column is located at the top of flotation device, and the bottom of flotation column is connected with the lattice slot of flotation device, flotation device filtering
Water purification afterwards is discharged by water purification mouth.
Soda acid demulsifier tank includes that sour tank, alkali tank and demulsifier tank, each tank are connect with the respective pump housing respectively, and the pump housing is by tank
Body fluid body is sent into blend tank by pipeline；Blend tank is all connected with there are two allotment pump, and an allotment pump receives different stage
Sewage, another allotment pump convey in the liquid to coiled pipe in blend tank.Flotation device is multistage lattice bathtub construction, Yong Huxu
It wants what processing that several slots are just set, is mounted on flotation column above each lattice slot.Dissolving and dissolved air water pump group at height
Pressure solution air water, high pressure dissolved air water are conveyed by pipeline to the lower section of flotation column, enhance flotation effect again.Air accumulator, air pressure
The cooling driers of the high-pressure air feed device of contracting machine and cooling driers composition, high-pressure air feed device are connect by pipeline with slag liquid diaphragm pump,
It is connect simultaneously by pipeline with flotation column.The dregs and liquor separation device of bag filter and slag liquid diaphragm pump composition；Slag-liquid separation dress
Set has pipeline to be connected with flotation device.The slag liquid mixture of flotation device one end is sent by the extraction of slag liquid diaphragm pump to pocket type mistake by pipeline
Filter, the water after filter residue are recycled to flotation device.
Embodiment: it is now illustrated by taking flotation device tertiary treatment as an example
As depicted in figs. 1 and 2, highly difficult wastewater efficient processing system, including group a sour tank for acid-forming base demulsifier tank 1, alkali
Tank and demulsifier tank, acid pump corresponding with sour tank, alkali tank, demulsifier tank, alkali pump and demulsifier pump respectively；Three blend tanks 3 divide
Not with sour tank, alkali tank and demulsifier tank by piping connection, there are six blend tank pump 4, i.e., one allotments for three cooperations of blend tank 3
One front pump, one rear pump is installed on tank 3, front pump is connect with sewage inlet, and rear pump is connect with snakelike tube inlet,
There are three coiled pipes, is round tube serpentine configuration, is located at CS central, in flotation device side；There are two flocculant tanks 20, flocculant
There are three pumps 19, and one of flocculant pumps 19 imports and is connected with a flocculant tank 20 by pipeline, and outlet is connected to snakelike
17 inlet pipes of pipe；Other two flocculant pump inlet is connected with another flocculant tank by pipeline, and outlet is separately connected
To other two coiled pipe inlet pipes.Flotation device 5 is located at CS central, and three flotation columns 6 are located at 5 upper front end of flotation device,
The outlet of three coiled pipes is connect with respective flotation column 6 respectively；Dissolving 7, dissolved air water pump 11 are located at 5 rear end of flotation device, lead to
Piping is connected with flotation device 5, cooling driers 10, forms high pressure dissolved air water subsystem；Air accumulator 8, air compressor 9, cooling driers
10 are located at one jiao of system, are connected by mutual pipeline, form high-pressure air feed subsystem, are dissolving 7, flotation column 6, slag liquid
Diaphragm pump 14 provides gas source；There are two bag filters 12, is connected with slag liquid diaphragm pump 14 by pipeline, forms slag-liquid separation
Subsystem, and be connected with 5 pipeline of flotation device；Clarified water pump 15 is connected with third slot in flotation device 5, and the clean water handled well is passed through
Water purification outlet 16 extracts outlet out.Electrical control cabinet is located at one jiao of system, is system dynamic and logic, measurement control unit.
The course of work of wastewater efficient processing system: process requirement is pressed, first by deployed phase in three soda acid demulsifier tanks 1
The acid solution answered, lye, demulsifier, required flocculant is stirred in allotment in two flocculant tanks 20, and deploying required clear water can be by
Clear water entrance 21 provides；Highly difficult sewage by sewage inlet 18 by 41 the first blend tanks 31 of injection of the first blend tank pump, the
By allotment stirring is carried out needed for technique in one blend tank 31, required acid solution, lye and demulsifier pass through soda acid demulsifier pump 2 respectively
It is injected by technique requirement, matches dosage and sequencing is controlled by setting program in electrical control cabinet 13；First blend tank
Sewage after 31 stirrings are deployed is sent to the first coiled pipe 171 by pipeline, sewage exists by 42 extraction of corresponding blend tank pump
Into before the first coiled pipe 171, the flocculant extracted out in 19 corresponding flocculant tanks 20 is pumped with one of flocculant and is met,
Enter the first coiled pipe 171 together, the first flotation column 61 is entered after being sufficiently mixed in the first coiled pipe 171, sewage is first
The pressure-air sent in flotation column 61 with cooling driers 10 efficiently collide combined after, into 5 first slot of flotation device in carry out
Coagulation；
Sewage after coagulation is extracted out from flotation device 5 by third blend tank pump 43, and is injected into the second allotment
In tank 32, by allotment stirring is carried out needed for technique again in the second blend tank 32, required acid solution, lye or demulsifier are by three acid
Alkali demulsifier pump 2 is injected by technique requirement respectively, matches dosage and sequencing is carried out by setting program in electrical control cabinet 13
Control；Second blend tank 32 stir it is deployed after sewage by the 4th blend tank pump 44 extraction, it is snakelike to be sent to second by pipeline
Pipe 172, sewage are pumped in 19 corresponding flocculant tanks 20 with another flocculant and are extracted out before entering the second coiled pipe 172
Flocculant meets, and enters the second coiled pipe 172 together, and the second flotation column 62 is entered after being sufficiently mixed in the second coiled pipe 172,
Pressure-air that sewage is sent in the second flotation column 62 with cooling driers 10 carries out after efficiently collision is combined, into flotation device 5 the
Two stage treatment is carried out in two slots；
Sewage after two stage treatment is extracted out from flotation device 5 by the 5th blend tank pump 45, and is injected into third allotment
In tank 33, by allotment stirring is carried out needed for technique again in third blend tank 33, required acid solution, lye or demulsifier are by three acid
Alkali demulsifier pump 2 is injected by technique requirement respectively, matches dosage and sequencing is carried out by setting program in electrical control cabinet 13
Control；Third blend tank 33 stir it is deployed after sewage by the 6th blend tank pump 46 extraction, it is snakelike that third is sent to by pipeline
Pipe 173, sewage are pumped in 19 corresponding flocculant tanks 20 with another flocculant and are extracted out before entering third coiled pipe 173
Flocculant meets, and enters third coiled pipe 173 together, and third flotation column 63 is entered after being sufficiently mixed in third coiled pipe 173,
Pressure-air that sewage is sent in third flotation column 63 with cooling driers 10 carries out after efficiently collision is combined, into flotation device 5 the
Tertiary treatment is carried out in three slots；
Water purification and the provided pressure-air of cooling driers 10 after the processing that dissolved air water pump 11 provides during this, in dissolving 7
The interior high pressure dissolved air water that formed passes through the lower section for being located at the first flotation column 61 and the second flotation column 62 in pipeline to flotation device 5,
Pressure-air can enhance flotation effect again；
It is concentrated in the slag liquid mixture of 5 one end of flotation device, is sent by the extraction of slag liquid diaphragm pump 14 to pocket type mistake by pipeline
Filter 12, the water after filter residue are circulated back to flotation device 5, carry out circular treatment；
Water after completion tertiary treatment is clean is drawn through 16 outlet of water purification outlet by clarified water pump 15.
Wastewater efficient processing system of the present invention is compact-sized, and degree of integration is high, greatly reduces at highly difficult sewage leading portion
The occupied area for managing facilities and equipment, by taking 2 ton/hours for the treatment of capacities as an example, land occupation is only about 40 ㎡, and large-scale sewage leading portion is handled
Facilities and equipment becomes the small-sized integrated system efficiently concentrated, and reduces cost of investment；Work efficiency is high for system, with floating in system
For selecting column technology, the collision probability of flocculation group's particle and bubble is 5000 times or more of traditional DAF technology；System simplifies height
Treatment effect is improved while difficulty sewage treatment process, reduces current sewage treatment to various biomembranes, physics film etc.
Dependence based on process equipment；System is to highly difficult good sewage processing effect, and by system, treated that water does not need second
Section and terminal configuration can reach industry sewage processing discharge standard；System operation energy consumption is low, it is time-consuming less, the confession of various medicaments
It is accurate controllable to amount, it is effectively reduced water process unit operation cost；The technique and electric automatic control of system processing sewage
Adjustability is strong, and changes of function is flexible, and mode is more, adapts to wide；Whole system can whole container shipping, can reach conventional equipment without
Method should pair environment carry out operation.
Claims (7)
1. a kind of highly difficult wastewater efficient processing system, which is characterized in that including soda acid demulsifier tank, flocculant tank, multiple tune
Distribution tank, multiple coiled pipes, multiple flotation columns and flotation device, high pressure dissolved air water, high-pressure air feed device, dregs and liquor separation device, clear water
Entrance, sewage inlet, water purification outlet；The clear water entrance passes through pipeline and the soda acid demulsifier tank and the flocculant respectively
The input terminal of tank is connected, and the output end of the soda acid demulsifier tank passes through pipeline respectively and connect with multiple blend tanks, multiple
The output end of the output end of the blend tank and the flocculant tank is connect with the entrance of multiple coiled pipes respectively；Wherein
The input terminal of one blend tank is connect by pipeline with the sewage inlet, and output end passes through the input terminal of pipeline and the first coiled pipe
Connection, while the output end of the flocculant tank is also connect with the input terminal of first coiled pipe, high pressure dissolved air water and in institute
It states mixed liquid in the first coiled pipe and all passes through pipeline and connect with the input terminal of the first flotation column, and in first flotation
Flotation is carried out in column column, the lower section of first flotation column is connect with the first lattice slot of the flotation device, while the flotation
The dregs and liquor separation device is provided in machine；Sewage in the first lattice of flotation device slot after coagulation by pipeline into
Enter the second blend tank, acid solution needed for being injected in the second blend tank by technique, lye or demulsifier, agitated, deployed dirt
Water is sent to the second coiled pipe by pipeline, meets before entering the second coiled pipe with the flocculant for likewise entering pipeline, together
Into the second coiled pipe, the sewage after being sufficiently mixed in the second coiled pipe enters the second flotation column, and in the second flotation column
With cooling driers be sent into pressure-air carry out in conjunction with collision after, into the second lattice slot of flotation device in carry out two stage treatment；Through
The sewage handled in the second lattice of flotation device slot enters third blend tank by pipeline, infuses in third blend tank by technique
Enter required acid solution, lye or demulsifier, agitated, deployed sewage is sent to third coiled pipe by pipeline, is entering third
It meets before coiled pipe with the flocculant for likewise entering pipeline, enters third coiled pipe together, it is sufficiently mixed in third coiled pipe
Sewage after conjunction enters third flotation column, and carries out in conjunction with collision in third flotation column with the pressure-air that cooling driers are sent into
Afterwards, into tertiary treatment is carried out in the third lattice slot of flotation device, the water purification after tertiary treatment passes through water purification outlet and is discharged.
2. highly difficult wastewater efficient processing system according to claim 1, which is characterized in that the flotation device is multistage lattice slot
Shape structure is mounted on the flotation column above each lattice slot.
3. highly difficult wastewater efficient processing system according to claim 1, which is characterized in that the soda acid demulsifier tank includes acid
Tank, alkali tank and demulsifier tank, connect with the respective pump housing respectively, and tank body liquid is sent into the blend tank by pipeline by the pump housing
In；The blend tank is all connected with there are two allotment pump, and an allotment pump receives the sewage of different stage, another described tune
It is conveyed with pump in the liquid to the coiled pipe in the blend tank.
4. highly difficult wastewater efficient processing system according to claim 1, which is characterized in that further include having dissolving and dissolved air water
Pump group at the high pressure dissolved air water, the high pressure dissolved air water by pipeline to the lower section of the flotation column convey, enhance again
Flotation effect.
5. highly difficult wastewater efficient processing system according to claim 1, which is characterized in that further include having air accumulator, air pressure
The cooling driers of the high-pressure air feed device of contracting machine and cooling driers composition, the high-pressure air feed device pass through pipeline and slag liquid diaphragm
Pump connection, while being connect by pipeline with the flotation column.
6. highly difficult wastewater efficient processing system according to claim 1, which is characterized in that further include having bag filter and slag
The dregs and liquor separation device of liquid diaphragm pump composition；The dregs and liquor separation device has pipeline to be connected with the flotation device.
7. highly difficult wastewater efficient processing system according to claim 1, which is characterized in that the slag liquid of described flotation device one end is mixed
It closes object and is sent by the extraction of slag liquid diaphragm pump to bag filter by pipeline, the water after filter residue is recycled to the flotation device.
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| CN201610559329.0A CN105936559B (en) | 2016-07-15 | 2016-07-15 | A kind of highly difficult wastewater efficient processing system |
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| CN201610559329.0A CN105936559B (en) | 2016-07-15 | 2016-07-15 | A kind of highly difficult wastewater efficient processing system |
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| CN105936559B true CN105936559B (en) | 2019-02-22 |
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|---|---|---|---|---|
| DE3211128A1 (en) * | 1982-03-26 | 1983-09-29 | Brenntag AG, 4330 Mülheim | Process and agents for treating waste waters containing organic, water-insoluble substances in emulsified form |
| CN2106830U (en) * | 1991-11-30 | 1992-06-10 | 天津市纺织工业设计院 | Double-airfloat integrated water purifier |
| CN101805074A (en) * | 2010-04-20 | 2010-08-18 | 中国矿业大学 | Technology for treating oil extraction-generated waste water |
| CN201762158U (en) * | 2010-09-03 | 2011-03-16 | 无锡金源环境保护设备有限公司 | Multistage pipeline coagulation device |
| CN203976538U (en) * | 2014-07-25 | 2014-12-03 | 天津邦盛净化设备有限公司 | Die casing for automobile Cleaning Wastewater treatment unit |
| CN104230038A (en) * | 2013-06-13 | 2014-12-24 | 扬州绿都环境工程设备有限公司 | Oily sewage all-in-one processing apparatus |
| CN204529585U (en) * | 2015-03-06 | 2015-08-05 | 巢湖市聚源机械有限公司 | A kind of medicament adding device of sewage treating machine |
| CN105110516A (en) * | 2015-09-25 | 2015-12-02 | 中国矿业大学(北京) | Treatment process of high-concentration coking wastewater |
| CN205803191U (en) * | 2016-07-15 | 2016-12-14 | 河北润达环保科技有限公司 | Highly difficult wastewater efficient processing system |
-
2016
- 2016-07-15 CN CN201610559329.0A patent/CN105936559B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3211128A1 (en) * | 1982-03-26 | 1983-09-29 | Brenntag AG, 4330 Mülheim | Process and agents for treating waste waters containing organic, water-insoluble substances in emulsified form |
| CN2106830U (en) * | 1991-11-30 | 1992-06-10 | 天津市纺织工业设计院 | Double-airfloat integrated water purifier |
| CN101805074A (en) * | 2010-04-20 | 2010-08-18 | 中国矿业大学 | Technology for treating oil extraction-generated waste water |
| CN201762158U (en) * | 2010-09-03 | 2011-03-16 | 无锡金源环境保护设备有限公司 | Multistage pipeline coagulation device |
| CN104230038A (en) * | 2013-06-13 | 2014-12-24 | 扬州绿都环境工程设备有限公司 | Oily sewage all-in-one processing apparatus |
| CN203976538U (en) * | 2014-07-25 | 2014-12-03 | 天津邦盛净化设备有限公司 | Die casing for automobile Cleaning Wastewater treatment unit |
| CN204529585U (en) * | 2015-03-06 | 2015-08-05 | 巢湖市聚源机械有限公司 | A kind of medicament adding device of sewage treating machine |
| CN105110516A (en) * | 2015-09-25 | 2015-12-02 | 中国矿业大学(北京) | Treatment process of high-concentration coking wastewater |
| CN205803191U (en) * | 2016-07-15 | 2016-12-14 | 河北润达环保科技有限公司 | Highly difficult wastewater efficient processing system |
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|---|---|
| CN105936559A (en) | 2016-09-14 |
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