CN106904706A - A kind of waste water solid separation equipment and system - Google Patents
A kind of waste water solid separation equipment and system Download PDFInfo
- Publication number
- CN106904706A CN106904706A CN201710129658.6A CN201710129658A CN106904706A CN 106904706 A CN106904706 A CN 106904706A CN 201710129658 A CN201710129658 A CN 201710129658A CN 106904706 A CN106904706 A CN 106904706A
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- China
- Prior art keywords
- solid
- equipment
- waste water
- separating liquid
- water
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000007787 solid Substances 0.000 title claims abstract description 146
- 239000002351 wastewater Substances 0.000 title claims abstract description 74
- 238000000926 separation method Methods 0.000 title claims abstract description 45
- 239000007788 liquid Substances 0.000 claims abstract description 107
- 239000000706 filtrate Substances 0.000 claims abstract description 20
- 238000004140 cleaning Methods 0.000 claims abstract description 17
- 239000000725 suspension Substances 0.000 claims abstract description 17
- 230000000694 effects Effects 0.000 claims abstract description 5
- 239000000126 substance Substances 0.000 claims abstract description 5
- 238000003756 stirring Methods 0.000 claims abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 39
- 239000007921 spray Substances 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 5
- 238000001914 filtration Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 238000004065 wastewater treatment Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- C02F1/001—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
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/005—Processes using a programmable logic controller [PLC]
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/22—Eliminating or preventing deposits, scale removal, scale prevention
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/24—Separation of coarse particles, e.g. by using sieves or screens
Landscapes
- 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)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a kind of waste water solid separation equipment, including equipment for separating liquid from solid, the filtrate collection being arranged on below equipment for separating liquid from solid, the blowdown collector for being arranged on equipment for separating liquid from solid end, the cleaning device being arranged on above equipment for separating liquid from solid；Waste water flows through equipment for separating liquid from solid, and the solid in waste water is stayed on equipment for separating liquid from solid, and filtrate falls into the filtrate collection of lower section under self gravitation effect, and the suspension left on cleaning device cleaning equipment for separating liquid from solid makes it fall into blowdown collector.Present invention also offers a kind of waste water solid piece-rate system, chemicals dosing plant agitating device and at least one waste water solid separation equipment being connected with dosing agitating device are included, wherein wastewater solid separation equipment uses waste water solid separation equipment as described above；Waste water is transported in the dosing agitating device, is being transported in waste water solid separation equipment by after dosing, stirring.
Description
Technical field
The present invention relates to wastewater treatment equipment design field, and in particular to a kind of waste water solid separation equipment and be
System.
Background technology
Sanitary sewage and industrial wastewater often itself contain the suspension of different-grain diameter size, also can in each processing links
A large amount of suspensions are produced, such as coagulation process is wide variety of technique in current sewage disposal, mainly using physical-chemical
Pollutant in water, to one or more materials are added in water, by coagulation, is become water insoluble suspension by method；
And substantial amounts of suspension can be adversely affected to follow-up biological treatment, it is necessary to carry out solid-liquid treatment.
Existing equipment for separating liquid from solid, when suspension content is higher, can cause equipment for separating liquid from solid frequently to go out
Existing clogging works, it is necessary to stop equipment for separating liquid from solid, is rinsed to remove blocking, such processing mode influence repeatedly
The continuity of wastewater treatment, wastes time and energy, and efficiency is low, or even have impact on the effluent index of wastewater treatment and produce larger ripple
It is dynamic.
The content of the invention
In order to solve the above problems, the invention provides a kind of waste water solid separation equipment, including equipment for separating liquid from solid, set
The filtrate collection below the equipment for separating liquid from solid is put, the blowdown collector of equipment for separating liquid from solid end is arranged on, is set
Cleaning device above equipment for separating liquid from solid；Waste water flows through the equipment for separating liquid from solid, and the suspension in the waste water is stayed in
On the equipment for separating liquid from solid, filtrate falls into the filtrate collection of lower section under self gravitation effect, the cleaning dress
Putting the solid left on the cleaning equipment for separating liquid from solid makes it fall into the blowdown collector.
It is preferred that the equipment for separating liquid from solid is made up of the equipment for separating liquid from solid of outfit waterpower grid or the flat film of stainless steel.
It is preferred that the equipment for separating liquid from solid is obliquely installed, the blowdown collector inclines positioned at the equipment for separating liquid from solid
Oblique lower end.
It is preferred that the equipment for separating liquid from solid is inclined relative to horizontal 15 ° -45 °.
It is preferred that the cleaning device includes the guide rail for being set along the equipment for separating liquid from solid both sides respectively, two guide rails
On be respectively arranged with moving parts, at least one water under high pressure towards the equipment for separating liquid from solid is provided with the moving parts
Shower nozzle, the moving parts drives the moving parts to be moved back and forth along the guide rail, while the high-pressure water nozzle sprays to institute
Equipment for separating liquid from solid is stated to be cleaned.
It is preferred that the moving parts synchronizing moving on two guide rails, the water that the high-pressure water nozzle on two guide rails sprays is described
Lateral stacking on equipment for separating liquid from solid, the whole equipment for separating liquid from solid of covering.
It is preferred that the high-pressure water nozzle is connected with the filtrate collection, the water of the high-pressure water nozzle is using described
Water in filtrate collection.
It is preferred that one end of the equipment for separating liquid from solid is additionally provided with water-locator, the water-locator is located at and sets
One end opposite other end of blowdown collector is stated, waste water is distributed to the equipment for separating liquid from solid by the uniform overflow of the water-locator
On.
It is preferred that the water-locator uses zigzag water-locator.
Present invention also offers a kind of waste water solid piece-rate system, include chemicals dosing plant agitating device and add with described
At least one waste water solid separation equipment of medicine agitating device connection, wherein wastewater solid separation equipment is using such as claim 1-7
Waste water solid separation equipment described in middle any one；The waste water is transported in the dosing agitating device, by dosing, is stirred
It is being transported in the waste water solid separation equipment after mixing.
It is preferred that two or more solid-liquid separating equipments are included, and two or more waste water solids
Separation equipment is in series.
The present invention is allowed to compared with prior art, have the following advantages that and actively imitate due to using above technical scheme
Really：
Waste water solid separation equipment of the present invention and system, using the suspension in equipment for separating liquid from solid removal waste water, and lead to
The setting real-time implementation of over cleaning device is cleared up equipment for separating liquid from solid 1, prevents equipment for separating liquid from solid from showing for blocking occur
As effectively overcoming two big defects in conventional processes：Equipment and related process power consumption are high, led because suspension content is too high
The frequent dirty stifled and backwash even effluent index fluctuation for causing is big.
Brief description of the drawings
With reference to accompanying drawing, by hereafter state detailed description, can be more clearly understood that above-mentioned and other feature of the invention and
Advantage, wherein：
The front view of the waste water solid separation equipment that Fig. 1 is provided for the present invention；
The side view of the waste water solid separation equipment that Fig. 2 is provided for the present invention；
The principle schematic of the waste water solid separation that Fig. 3 is provided for the present invention.
Specific embodiment
Referring to the accompanying drawing for showing the embodiment of the present invention, the present invention is described in more detail.However, the present invention can be with
Many multi-forms realize, and should not be construed as and limited by the embodiment for herein proposing.Conversely, proposing that these embodiments are
In order to reach abundant and complete disclosure, and those skilled in the art are made to understand the scope of the present invention completely.These are attached
In figure, for clarity, the size and relative size in layer and region are may be exaggerated.
Embodiment 1
Reference picture 1-2, includes equipment for separating liquid from solid 1, is arranged on admittedly the invention provides a kind of waste water solid separation equipment
The filtrate collection 5 of the lower section of liquid separating apparatus 1, it is arranged on the blowdown collector 4 of the end of equipment for separating liquid from solid 1, is arranged on solid-liquid
The cleaning device 3 of the top of separator 1；Waste water flows through equipment for separating liquid from solid 1, and the solid in waste water stays in equipment for separating liquid from solid 1
On, liquid falls into the filtrate collection 5 of lower section under self gravitation effect, is stayed on the cleaning equipment for separating liquid from solid of cleaning device 3
Under solid it is fallen into 4 in blowdown collector.
The waste water solid separation equipment that the present invention is provided, using the suspension in the removal waste water of equipment for separating liquid from solid 1, and leads to
The setting real-time implementation of over cleaning device 3 is cleared up equipment for separating liquid from solid 1, prevents equipment for separating liquid from solid from showing for blocking occur
As effectively overcoming two big defects in conventional processes：Equipment and related process power consumption are high, led because suspension content is too high
The frequent dirty stifled and backwash even effluent index fluctuation for causing is big.
In the present embodiment, equipment for separating liquid from solid 1 can use waterpower grid, or using flat film of stainless steel etc., it is right respectively
Bulky grain suspension and small granular suspended matters in water carry out separation of solid and liquid, can specifically be selected according to the situation of water quality
Select, be not limited herein.For example, when equipment for separating liquid from solid is waterpower grid, being applicable influent quality SS values and being less than 1000mg/L；
When solid-liquid separation unit film flat for stainless steel, it is applicable influent quality SS values and is less than 150mg/L.
In the present embodiment, as shown in Figure 2, equipment for separating liquid from solid 1 is obliquely installed, and blowdown collector 4 is positioned at solid-liquid point
From the inclined lower end of device 1.Be obliquely installed for equipment for separating liquid from solid 1 by the present invention, is conducive to accelerating highway speeds, and be easy to solid
The suspension for leaving on liquid separating apparatus 1 is discharged to 4 in blowdown collector.
Wherein, it is preferred that equipment for separating liquid from solid 1 is inclined relative to horizontal 15 ° -45 °.Certainly, equipment for separating liquid from solid 1
Angle of inclination is not limited to the above；Equipment for separating liquid from solid can be changed by changing the angle of inclination of equipment for separating liquid from solid 1
1 filtering accuracy, specifically, filtering accuracy hour uses wide-angle, uses low-angle when precision is big.
In the present embodiment, waste water solid is separated to set and also include water-locator 2, and the setting that the present invention passes through water-locator 2 makes
Waste water is obtained to flow uniformly on equipment for separating liquid from solid 1.Specifically, water-locator position 2 is in relative with the one end for being provided with blowdown collector 4
The other end, i.e. water-locator 2 are located at the inclined upper end of equipment for separating liquid from solid 1, and water-locator 2 is along the whole of equipment for separating liquid from solid 1
End edge is set, and waste water is distributed to the entrance of equipment for separating liquid from solid 1 by uniform overflow after water-locator；Wherein, in this implementation
Water-locator 2 uses zigzag water-locator in example, certainly, other kinds of water-locator can be also used in other embodiments, herein
It is not limited.
In the present embodiment, cleaning device 3 includes two guide rails set along the left and right sides of equipment for separating liquid from solid 1, two
Guide rail is arranged in parallel, and plane where two guide rails is parallel to each other with the place plane of equipment for separating liquid from solid 1.On two guide rails of left and right
Moving parts is also provided with, moving parts is moved reciprocatingly by transmission mechanisms such as chains in guide track on guide rail；
Wherein, moving parts can be belt wheel dolly etc., not be limited herein.
At least one high-pressure water nozzle, the high-pressure water nozzle phase on two moving parts are additionally provided with each moving parts
Pair and towards the upper surface of equipment for separating liquid from solid 1, during work, high-pressure water nozzle sprays fan-shaped water under high pressure, and each shower nozzle sprays
Water lateral stacking, cover the horizontal direction of whole equipment for separating liquid from solid 1；Meanwhile, under moving parts drive, from top to bottom together
Moved further, completes the cleaning of the whole upper surface of equipment for separating liquid from solid 1, and cause the suspension back of the body on the surface of equipment for separating liquid from solid 1
It is flushed in the blowdown collector 4 of the lower end of equipment for separating liquid from solid 1.
Further, the setting quantity of the high-pressure water nozzle on each moving parts can be adjusted as the case may be
It is whole, it is not limited herein；In the present embodiment, high-pressure water nozzle is connected with filtrate collection 5, directly uses filtrate collection 5
In water as water source, realize that water source is recycled, saving water resource；Certainly, in other embodiments, the water of high-pressure water nozzle
Source also can directly use running water, not be limited herein.
The present invention provide waste water solid separation equipment, can according to wastewater flow and load, used as standalone module or
Multiple is used in series, and is not limited herein.
Embodiment 2
Reference picture 3, present invention also offers a kind of waste water solid piece-rate system, include chemicals dosing plant agitating device 6 with
And at least one waste water solid separation equipment being connected with dosing agitating device, wherein wastewater solid separation equipment is using embodiment 1
Described in waste water solid separation equipment；Waste water is transported in dosing agitating device 8, by the waste water that dosing, stirring make
Pollutant becomes water insoluble suspension, in order to separation of solid and liquid；Waste water in dosing agitating device 8 is transported to waste water again
Separation of solid and liquid is carried out in solid-liquid separating equipment.
Wherein, waste water solid piece-rate system includes two or more solid-liquid separating equipments, and two or two
Waste water solid separation equipment above is in series.
In the present embodiment, waste water solid piece-rate system includes one-level equipment for separating liquid from solid 7 and two grades of separation of solid and liquid dresses
8 are put, the waste water in dosing agitating device 8 flows to one-level equipment for separating liquid from solid 7, coarse filtration is carried out to waste water；One-level solid-liquid
The boosted pump of filtrate or Action of Gravity Field in the filtrate collection of separator 7, are transferred in two grades of equipment for separating liquid from solid 8, carry out
High-precision filtering, the filtrate in two grades of filtrate collections of equipment for separating liquid from solid 8 is transported to down one technique.Wherein, one-level
The blowdown collector of equipment for separating liquid from solid 7 and two grades of equipment for separating liquid from solid 8 can pool together otherwise processed.
Further, the consolidating by outfit waterpower grid or the flat film of stainless steel of one-level equipment for separating liquid from solid 7 in the present embodiment
Liquid separating apparatus are constituted, and two grades of equipment for separating liquid from solid 8 can be made up of the equipment for separating liquid from solid of the flat film of outfit stainless steel.
In the present embodiment, waste water solid piece-rate system all by PLC Automated condtrols can realize automation, be easy to behaviour
Make.
The waste water solid piece-rate system that the present invention is provided, by being arranged in series for multistage equipment for separating liquid from solid, can remove
The suspension of more than micron order (particle diameter is more than or equal to 25 microns) in waste water, solid-liquid separation effect is preferable.
Those skilled in the art should be understood that the present invention can be implemented without departing from it with many other concrete forms
The spirit or scope of itself.Although having been described for case study on implementation of the invention, it should be understood that the present invention should not be limited to these implementations
Example, change is made within the spirit and scope of the present invention that those skilled in the art can define such as appended claims
And modification.
Claims (11)
1. a kind of waste water solid separation equipment, it is characterised in that including equipment for separating liquid from solid, be arranged on the equipment for separating liquid from solid
The filtrate collection of lower section, the blowdown collector for being arranged on equipment for separating liquid from solid end, it is arranged on above equipment for separating liquid from solid
Cleaning device；Waste water flows through the equipment for separating liquid from solid, and the suspension in the waste water is stayed on the equipment for separating liquid from solid, filter
Liquid falls into the filtrate collection of lower section under self gravitation effect, and the cleaning device clears up the equipment for separating liquid from solid
On the solid that leaves it is fallen into the blowdown collector.
2. waste water solid separation equipment according to claim 1, it is characterised in that the equipment for separating liquid from solid is by outfit water
The equipment for separating liquid from solid of power grid or the flat film of stainless steel is constituted.
3. waste water solid separation equipment according to claim 1, it is characterised in that the equipment for separating liquid from solid is inclined and set
Put, the blowdown collector is located at the inclined lower end of the equipment for separating liquid from solid.
4. waste water solid separation equipment according to claim 3, it is characterised in that the equipment for separating liquid from solid is relative to water
15 ° -45 ° of planar tilt.
5. the waste water solid separation equipment according to claim 1 or 3, it is characterised in that the cleaning device is included point
Two guide rails not set along the equipment for separating liquid from solid both sides, are respectively arranged with moving parts, the moving parts on two guide rails
On be provided with least one high-pressure water nozzle towards the equipment for separating liquid from solid；The moving parts drives the moving parts
Moved back and forth along the guide rail, while the high-pressure water nozzle sprays to the equipment for separating liquid from solid being cleaned.
6. waste water solid separation equipment according to claim 5, it is characterised in that the moving parts on two guide rails is synchronously moved
It is dynamic, the water that the high-pressure water nozzle on two guide rails sprays lateral stacking on the equipment for separating liquid from solid, the whole solid-liquid of covering
Separator.
7. waste water solid separation equipment according to claim 5, it is characterised in that the high-pressure water nozzle and the filtrate
Collector is connected, and the water of the high-pressure water nozzle is using the water in the filtrate collection.
8. the waste water solid separation equipment according to claim 1 or 3, it is characterised in that the one of the equipment for separating liquid from solid
End is additionally provided with water-locator, and the water-locator is located at and one end opposite other end for being provided with the blowdown collector, waste water warp
The uniform overflow of the water-locator is crossed to be distributed on the equipment for separating liquid from solid.
9. waste water solid separation equipment according to claim 8, it is characterised in that the water-locator uses zigzag water distribution
Device.
10. a kind of waste water solid piece-rate system, it is characterised in that include chemicals dosing plant agitating device and stirred with the dosing
At least one waste water solid separation equipment of device connection is mixed, wherein wastewater solid separation equipment in claim 1-9 using as appointed
Waste water solid separation equipment described in meaning one；The waste water is transported in the dosing agitating device, by after dosing, stirring
It is being transported in the waste water solid separation equipment.
11. waste water solid piece-rate systems according to claim 10, it is characterised in that include two or more
Solid-liquid separating equipment, and two or more waste water solid separation equipments are in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710129658.6A CN106904706A (en) | 2017-03-06 | 2017-03-06 | A kind of waste water solid separation equipment and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710129658.6A CN106904706A (en) | 2017-03-06 | 2017-03-06 | A kind of waste water solid separation equipment and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106904706A true CN106904706A (en) | 2017-06-30 |
Family
ID=59186901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710129658.6A Pending CN106904706A (en) | 2017-03-06 | 2017-03-06 | A kind of waste water solid separation equipment and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106904706A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATA4052000A (en) * | 2000-03-10 | 2001-07-15 | Va Tech Wabag Gmbh | METHOD AND DEVICE FOR WASTE WATER TREATMENT |
| CN103285661A (en) * | 2013-06-18 | 2013-09-11 | 浙江大学 | Solid-liquid separation device for waste water suspended matters |
| CN103387316A (en) * | 2013-08-06 | 2013-11-13 | 常州友达环保科技有限公司 | Hybrid two-stage membrane bio-reactor (MBR) |
| CN103466876A (en) * | 2013-08-06 | 2013-12-25 | 常州友达环保科技有限公司 | External double-stage membrane bioreactor |
| CN103570162A (en) * | 2013-11-19 | 2014-02-12 | 江苏康泰环保设备有限公司 | Coal-washing wastewater solid-liquid separation system and method |
| CN104370397A (en) * | 2014-11-10 | 2015-02-25 | 李�杰 | Method and device for treating stainless steel polishing wastewater |
-
2017
- 2017-03-06 CN CN201710129658.6A patent/CN106904706A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATA4052000A (en) * | 2000-03-10 | 2001-07-15 | Va Tech Wabag Gmbh | METHOD AND DEVICE FOR WASTE WATER TREATMENT |
| CN103285661A (en) * | 2013-06-18 | 2013-09-11 | 浙江大学 | Solid-liquid separation device for waste water suspended matters |
| CN103387316A (en) * | 2013-08-06 | 2013-11-13 | 常州友达环保科技有限公司 | Hybrid two-stage membrane bio-reactor (MBR) |
| CN103466876A (en) * | 2013-08-06 | 2013-12-25 | 常州友达环保科技有限公司 | External double-stage membrane bioreactor |
| CN103570162A (en) * | 2013-11-19 | 2014-02-12 | 江苏康泰环保设备有限公司 | Coal-washing wastewater solid-liquid separation system and method |
| CN104370397A (en) * | 2014-11-10 | 2015-02-25 | 李�杰 | Method and device for treating stainless steel polishing wastewater |
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Application publication date: 20170630 |