CN202576130U - Electroplating heavy metal wastewater reuse system - Google Patents
Electroplating heavy metal wastewater reuse system Download PDFInfo
- Publication number
- CN202576130U CN202576130U CN 201220217762 CN201220217762U CN202576130U CN 202576130 U CN202576130 U CN 202576130U CN 201220217762 CN201220217762 CN 201220217762 CN 201220217762 U CN201220217762 U CN 201220217762U CN 202576130 U CN202576130 U CN 202576130U
- Authority
- CN
- China
- Prior art keywords
- medicine
- filter
- pipeline
- water
- communicated
- Prior art date
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Water Treatment By Sorption (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The utility model discloses an electroplating heavy metal wastewater reuse system. The system comprises a raw-water tank for storing electroplating heavy metal wastewater, a multi-medium filter, a first buffer water tank, a first precision filter, an ultrafiltration device, a second buffer water tank, an active carbon filter, a second precision filter, a high-pressure pump, a reverse osmosis (RO) device and a reuse water tank which are sequentially communicated through pipelines, wherein a flocculant medicating device (11) is arranged between the raw-water tank (1) and the multi-medium filter (2); a bactericide medicating device (12) is arranged between the first buffer water tank (3) and the first precision filter (4); a reducing agent medicating device (13) is arranged between the active carbon filter (7) and the second precision filter (8); and a scale inhibitor medicating device (14) is arranged between the second precision filter (8) and the RO device (9). By the system, the water pollution is reduced, the water utilization rate is improved, labour is saved, and the operation precision is improved.
Description
Technical field
The utility model relates to a kind of Waste Water Treatment, relates in particular to a kind of reclaiming system of electroplated heavy metals waste water.
Background technology
Water pollution is on the rise in the world, and effectively purifying waste water at low cost is human basic need.Electroplated heavy metals waste water is existing, and oneself becomes one of the world today's three big industrial pollution sources.Electroplated heavy metals waste water complicated component except that cyanide wastewater and acidic and alkaline waste water, contains the waste water of heavy metal contaminants such as cadmium, nickel, copper, zinc, gold and silver in addition.Environmental Protection Department had been issued " plating pollutant emission standard " (GBZ1900-2008) specially in 2008; The clear and definite control emission limit requirement of each pollutant in the electroplated heavy metals waste water, pollutent must be in the workshops or the discharging that just allows up to standard of sampling of workshop treatment facility drain.Electroplating industry heavy metal containing wastewater treatment broad application is to guaranteeing the electroplated heavy metals discharged wastewater met the national standard, and the protection receiving water body is being brought into play very important effect.
And the existing plating heavy metal wastewater thereby filters the general absorption method that adopts, and absorption method is to utilize a kind of effective ways of the unique texture removal heavy metal ion of sorbent material.The sorbent material that utilizes absorption method to handle electroplated heavy metals waste water has gac, humic acids, sepiolite, polysaccharide resins etc.The gac equipment is simple; In waste water treatment, be widely used, but regeneration of activated carbon efficient is low, water quality treatment is difficult to reach the reuse requirement; Generally be used for the pre-treatment of electroplated heavy metals waste water, so just need a kind of ability high efficiency filter and ability regenerated electroplated heavy metals Waste Water Treatment.
Summary of the invention
The technical problem that the utility model will solve provides a kind of electroplated heavy metals waste water reuse system.
For solving the problems of the technologies described above, the technical scheme that the utility model adopted is:
A kind of electroplated heavy metals waste water reuse system; The former pond that comprises the storage plating heavy metal wastewater thereby that is communicated with by the road successively, more medium filter, first buffer tank; First accurate filter; Ultra-filtration equipment, second buffer tank, activated charcoal filter; Second accurate filter; HPP, RO device and reuse water tank wherein are provided with the flocculation agent chemicals dosing plant 11 that is used for adding to pipeline flocculation agent between described former pond 1 and more medium filter 2, between described first buffer tank 3 and first accurate filter 4, be provided with the sterilant chemicals dosing plant 12 that can in pipeline, inject sterilant; Between the described activated charcoal filter 7 and second accurate filter 8, be provided with the reductive agent chemicals dosing plant 13 that can in pipeline, inject reductive agent, be provided with the Scale inhibitors chemicals dosing plant 14 that can in pipeline therebetween, inject Scale inhibitors between described second accurate filter 8 and the RO device 9.
Preferably, on the pipeline between described former pond and the more medium filter, be in series with a line mixer that is communicated with described flocculation agent chemicals dosing plant.
Preferably; Described ultra-filtration equipment also comprises the backwash device; Described backwash device comprises the backwashing pump that is communicated to buffer tank 6, and described backwashing pump water outlet is connected to the SV that ultra-filtration equipment water outlet and betwixt pipeline are provided with controlled its conducting or end by the road.
Preferably; Also comprise the medicine cleaning device; Described medicine cleaning device comprises the medicine tank-washer 15 that is equipped with the agent of soda acid medicine wash respectively, selects the medicine that a ground is communicated to the medicine tank-washer via valve control and washes pump, is communicated to medicine and washes to pump the mouth of a river and can carry out filtering medicine to the medicine washing lotion and wash strainer 16; Described medicine is washed strainer output A, two medicines of D are washed pipeline, wherein A pipeline connection to ultra-filtration equipment anterior and be communicated to the water-in of ultra-filtration equipment and wash loop B, C through medicine and be back to the medicine tank-washer again; The HPP of D pipeline connection to RO device is anterior and be communicated to the water-in of RO device and wash loop E, F through medicine and be back to the medicine tank-washer again.
Preferably, to wash strainer be accurate filter to described medicine.
The electroplated heavy metals Waste Water Treatment of the utility model adopts cascade filtration can effectively remove various heavy metal ion, reduces water and pollutes, and makes waste water be able to reuse simultaneously, improves the utilization ratio of water.Backwash device and medicine cleaning device are set simultaneously; Wash through can realize the backwash of operating water and circulation medicine to stream change in the pipeline; Improve the result of use of filtration unit, improve work-ing life, each function all can be controlled by each SV of time variable control automatically simultaneously; Save manpower, improve the operation precision.
Description of drawings
Fig. 1 is the structural representation of the electroplated heavy metals waste water reuse system of the utility model.
Embodiment
In order to make those skilled in the art person understand the utility model scheme better, the utility model is done further to specify below in conjunction with accompanying drawing and embodiment.
As shown in Figure 1; The electroplated heavy metals waste water reuse system of the utility model comprises the former pond 1 of the storage plating heavy metal wastewater thereby that is communicated with by the road successively, more medium filter 2, the first buffer tanks 3; First accurate filter 4; Ultra-filtration equipment 5, the second buffer tanks 6, activated charcoal filter 7; Second accurate filter 8; HPP, RO device 9 and reuse water tank 10 wherein are provided with the flocculation agent chemicals dosing plant 11 that is used for adding to pipeline flocculation agent between described former pond 1 and more medium filter 2, between described first buffer tank 3 and first accurate filter 4, be provided with the sterilant chemicals dosing plant 12 that can in pipeline, inject sterilant; Between the described activated charcoal filter 7 and second accurate filter 8, be provided with the reductive agent chemicals dosing plant 13 that can in pipeline, inject reductive agent, be provided with the Scale inhibitors chemicals dosing plant 14 that can in pipeline therebetween, inject Scale inhibitors between described second accurate filter 8 and the RO device 9.
Wherein, The pond of electroplated heavy metals waste water is gathered in described former pond for the user; The electroplated heavy metals waste water that accumulates in the pond transfers to more medium filter 2 and in pipeline, adds flocculation agent by flocculation agent chemicals dosing plant 11 betwixt through pump; Described flocculation agent chemicals dosing plant comprises explosive barrel and will be stored in the pump in the flocculation agent filling line in the explosive barrel that described flocculation agent comprises anionic polyacrylamide and inorganic flocculating agent (bodied ferric sulfate, Poly aluminum Chloride (PAC); Molysite etc.), anionic polyacrylamide is water miscible high molecular polymer.Owing to contain the polar group of some amount in its molecular chain, it can be through the solids that suspend in the planar water, make to build bridge between particle or make particle coacervation form big throw out through charge neutralization.So it can quicken the sedimentation of particle in the suspension-s, have and very significantly accelerate the solution clarification, promote effects such as filtration.For improving the mixed effect of flocculation agent and waste water, line mixer of series connection is also claimed tubular static mixer on the pipeline between described former pond and the more medium filter; All very effective to adding aspects such as various coagulating agent, coagulant aids, ozone, liquid chlorine and acid-base neutralisation, air water mixing in plumbing and environment-friendly engineering, be to handle the various medicaments in waters to realize moment blended equipment, have mixing, simple in structure rapidly and efficiently; Characteristics such as energy efficient, advantages of small volume; Under the power situation, current can produce shunting, intersect and mix and reverse three effects of eddy flow through line mixer, make the medicament of adding be diffused in the whole water body rapidly, equably outside not needing; Reach moment blended purpose; Mixing efficiency can be saved the about 20-30% of dosing up to 90-95%, to improving the water treatment effect.Line mixer generally is made up of with promotion blended original papers such as nozzle, whirling chamber, porous plate or sketch plates respectively pipeline.Method of mixing has 3 kinds, is respectively nozzle-type, eddy current type, and porous plate, special-shaped board-like, this is a prior art, repeats no more at this.
Described more medium filter 2 comprises tank body and the multiple filtration medium that is arranged on tank interior; More medium filter is to utilize one or more filtration mediums; Pass through certain thickness granular or non-grain material at the higher water of the following turbidity of certain pressure, thereby effectively remove the process that suspended impurity makes clarification of water, filtrate commonly used has silica sand; Hard coal, manganese sand etc.Before multi-medium filtering, add flocculation agent, improved its filter effect especially.More medium filter 2 mainly is the impurity, PM for particulate matter, silt, suspended substance, colloid in the former water of filtering etc., reduces the turbidity of water, thereby reduces the pollution index (SDI) of its water outlet.
Described first buffer tank 3 is water inlet bottom draining from top; And High-Pressure Water is delivered to first accurate filter 4 through topping-up pump; Between the topping-up pump and first accurate filter, be provided with simultaneously the sterilant chemicals dosing plant 12 that in pipeline, injects sterilant, described sterilant chemicals dosing plant comprises the explosive barrel that holds sterilant and will be stored in the pump in the sterilant injection pipeline in the explosive barrel.Described sterilant possesses sterilization efficiently, removes the algae ability, can kill to comprise intestinal bacteria, and mould, Salmonellas can thoroughly be removed circulating water pipeline apparatus and process green alga, moss etc. in interior more than 200 kind of harmful microorganism and unwanted bacteria, algae.
Described first accurate filter 4 comprises cylinder shell and inner filter element; Tubulose filter cores such as described filtering element is that PP melts and sprays, line burns, folding, titanium filter core, active carbon filter core; Select different filtering elements according to different filter media and design technology, to reach the requirement of effluent quality.Accurate filter has that water environment capacity height, erosion resistance are strong, great thermotolerance, flow are big, easy to operate, long service life, do not have many characteristics such as fibre shedding.It is mainly used in the impurity of removing in the water greater than 50 μ m such as suspended substance, PM for particulate matter and colloidal particle, thereby reaches the purpose of the ultra-filtration membrane of protection ultra-filtration equipment.
Described ultra-filtration equipment 5 is a kind of membrane separation units, and solvent that contains in the feed liquid and various little solute see through filter membrane from high pressure feed liquid side and arrive low-tension side, thereby obtains seeing through liquid or being called ultrafiltrated; Its ultra-filtration membrane micropore can reach below 0.01 micron; Can remove particulate in the water, colloid, bacterium etc. effectively; And the size solute molecule tunicle bigger than membrane pore size held back into liquid concentrator, entered in trench or the sump by valve under the concentrated liquid concentrator warp that obtains of ultra-filtration equipment.Objectionable impuritiess such as the bacterium in the thorough filtering water of described ultra-filtration equipment ability, iron rust, colloid can be removed a large amount of organism etc. simultaneously.Get into buffer tank 6 from top through the water after the ultra-filtration equipment filtration; For avoiding the filter effect after ultra-filtration equipment uses for a long time to reduce; Described ultra-filtration equipment also comprises the backwash device, and described backwash device comprises the backwashing pump that is communicated to buffer tank 6, and the water of backwashing pump after with ultrafiltration is along the reverse ultra-filtration equipment that gets into; Ultra-filtration membrane is carried out backwash, and the water after the backwash is discharged through last valve and end valve respectively.Whole backwash process can be by SV on the procedure auto-control pipeline and backwashing pump etc., carries out automatic back-washing after reaching the backwash condition, and all-in-one-piece automatic operation can reduce running status and operation life that manual intervention improves ultra-filtration equipment.
Water after the process ultra-filtration equipment filters gets into buffer tank 6 from top and pipeline flows out after topping-up pump inputs to activated charcoal filter 7 from the bottom; Described activated charcoal filter 7 comprises tank body and is arranged on a jar intravital gac that unique internal structure of gac can effectively be removed the heavy metal ion in the water.Activated charcoal filter can adsorb the chlorine residue that can't remove in the prime filtration and receive its oxidative degradation with the reverse osmosis membrane that prevents the rear portion; Also adsorb simultaneously from prime and leak the pollutants such as small organic molecule of coming; Peculiar smell, colloid and pigment, heavy metal ion etc. in the water are had more significantly adsorb the removal effect, also have the effect of reduction COD (COD).
Water after activated charcoal filter 7 is delivered to second accurate filter 8 by the road; Described second accurate filter 8 comprises cylinder shell and inner filter element; Tubulose filter cores such as described filtering element is that PP melts and sprays, line burns, folding, titanium filter core, active carbon filter core; Select different filtering elements according to different filter media and design technology, to reach the requirement of effluent quality.Accurate filter has that water environment capacity height, erosion resistance are strong, great thermotolerance, flow are big, easy to operate, long service life, do not have many characteristics such as fibre shedding.Be mainly used in the impurity of removing in the water greater than 5 μ m such as suspended substance, PM for particulate matter and colloidal particle, thereby reach the purpose of protection reverse osmosis membrane.
Pipeline between second accurate filter 8 and the activated charcoal filter 7 is provided with and can in pipeline, injects reductive agent chemicals dosing plant 13, and described reductive agent chemicals dosing plant comprises tank body that holds reductive agent and the pump that can metering on demand in the described pipeline be injected reductive agent.The reductive agent chemicals dosing plant is removed chlorine residue in the water, makes it reach the feed water by reverse osmosis requirement, prevents that simultaneously when containing oxidizing substance in the water, reverse osmosis membrane receives the infringement of oxidizing substance.
Behind HPP, water is imported RO device 9 after filtering through second accurate filter 8; Pipeline before the HPP is provided with the Scale inhibitors chemicals dosing plant 14 that can in pipeline, inject Scale inhibitors simultaneously; Described Scale inhibitors chemicals dosing plant comprises the tank body that holds Scale inhibitors and can described Scale inhibitors be measured the pump in the filling line on demand; Described Scale inhibitors is meant insoluble inorganic salt, the prevention that has in the ability disperse water or disturbs the insoluble inorganic salt in ducted deposition, fouling function; The formation of incrustation scale, the sticking body of mikrobe be can effectively prevent simultaneously, thereby the ratio of desalinization and the water production rate of reverse osmosis system improved.
The principle of work of RO device (reverse osmosis membrane apparatus) is that the utilization high-pressure hydraulic pump adds to 6-10 kilogram pressure with water; Make water under the effect of pressure, penetrate the aperture and have only 0.0001 micron permeable membrane; Chemical ions etc. can not pass through, and only allow volume to pass through less than 0.0001 micron water molecules and oxygen molecule.Be that it can effectively separate the heavy metal contaminants in the waste water with water.Reverse osmosis unit is the concentrated discharging of dissolved solid and the process that fresh water utilizes, and can effectively remove most inorganic salt in the water, small organic molecule (material that about 200 molecular weight are above), bacterium etc.Get into 10 storages of reuse water tank in order to using through purifying waste water of RO device, and the chemical ion through permeable membrane etc. is not disposed to trench or sump focuses on through dense water lines.
Further, for improving the work-ing life and the result of use of ultra-filtration equipment and RO device, the electroplated heavy metals wastewater treatment equipment of the utility model also comprises the medicine cleaning device; Described medicine cleaning device comprises the medicine tank-washer 15 that is equipped with the agent of soda acid medicine wash respectively, selects the medicine that a ground is communicated to the medicine tank-washer via valve control and washes pump, is connected can carry out filtering medicine to the medicine washing lotion on the pipeline of medicine cleaning device and wash strainer 16; It is accurate filter that wherein said medicine is washed strainer; Described medicine is washed strainer output A, two medicines of D are washed pipeline, the front portion of A pipeline connection to ultra-filtration equipment wherein, carry out medicine when washing the medicine washing lotion get into from the water-in of ultra-filtration equipment; And wash loop B, C through medicine and be back to the medicine tank-washer again; Wherein the HPP of D pipeline connection to RO device is anterior, carry out medicine when washing the medicine washing lotion get into from the forward of RO device, and wash loop E, F through medicine and be back to the medicine tank-washer again; In the medicine cleaning device, adding is used as medicine washes strainer, strengthens the effect that recycles of medicine washing lotion.Through to device valve and stream setting, can wash the soda acid medicine that ultra-filtration equipment and RO device are scheduled to, improve its result of use and work-ing life.
The electroplated heavy metals Waste Water Treatment of the utility model adopts cascade filtration can effectively remove various heavy metal ion, reduces water and pollutes, and makes waste water be able to reuse simultaneously, improves the utilization ratio of water.Backwash device and medicine cleaning device are set simultaneously; Wash through can realize the backwash of operating water and circulation medicine to stream change in the pipeline; Improve the result of use of filtration unit, improve work-ing life, each function all can be controlled by each SV of time variable control automatically simultaneously; Save manpower, improve the operation precision.
By the above only is the preferred implementation of the utility model; Should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the utility model principle, can also make some improvement and retouching, these improvement and retouching also should be regarded as the protection domain of the utility model.
Claims (5)
1. electroplated heavy metals waste water reuse system; It is characterized in that: comprise the former pond of the storage plating heavy metal wastewater thereby that is communicated with by the road successively, more medium filter, first buffer tank; First accurate filter; Ultra-filtration equipment, second buffer tank, activated charcoal filter; Second accurate filter; HPP, RO device and reuse water tank wherein are provided with the flocculation agent chemicals dosing plant (11) that is used for adding to pipeline flocculation agent between described former pond (1) and more medium filter (2), between described first buffer tank (3) and first accurate filter (4), be provided with the sterilant chemicals dosing plant (12) that can in pipeline, inject sterilant; Between described activated charcoal filter (7) and second accurate filter (8), be provided with the reductive agent chemicals dosing plant (13) that can in pipeline, inject reductive agent, be provided with the Scale inhibitors chemicals dosing plant (14) that can in pipeline therebetween, inject Scale inhibitors between described second accurate filter (8) and the RO device (9).
2. electroplated heavy metals waste water reuse system as claimed in claim 1 is characterized in that: on the pipeline between described former pond and the more medium filter, be in series with a line mixer that is communicated with described flocculation agent chemicals dosing plant.
3. according to claim 1 or claim 2 electroplated heavy metals waste water reuse system; It is characterized in that: described ultra-filtration equipment also comprises the backwash device; Described backwash device comprises the backwashing pump that is communicated to buffer tank (6), and described backwashing pump water outlet is connected to the SV that ultra-filtration equipment water outlet and betwixt pipeline are provided with controlled its conducting or end by the road.
4. according to claim 1 or claim 2 electroplated heavy metals waste water reuse system; It is characterized in that: also comprise the medicine cleaning device; Described medicine cleaning device comprises the medicine tank-washer (15) that is equipped with the agent of soda acid medicine wash respectively; Select the medicine that a ground is communicated to the medicine tank-washer via valve control and wash pump; Be communicated to medicine and wash and pump the mouth of a river and can carry out filtering medicine to the medicine washing lotion and wash strainer (16), described medicine is washed strainer output A, two medicines of D are washed pipeline, wherein A pipeline connection to ultra-filtration equipment anterior and be communicated to the water-in of ultra-filtration equipment and wash loop B, C through medicine and be back to the medicine tank-washer again; The HPP of D pipeline connection to RO device is anterior and be communicated to the water-in of RO device and wash loop E, F through medicine and be back to the medicine tank-washer again.
5. electroplated heavy metals waste water reuse system as claimed in claim 4 is characterized in that: it is accurate filter that described medicine is washed strainer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220217762 CN202576130U (en) | 2012-05-15 | 2012-05-15 | Electroplating heavy metal wastewater reuse system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220217762 CN202576130U (en) | 2012-05-15 | 2012-05-15 | Electroplating heavy metal wastewater reuse system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202576130U true CN202576130U (en) | 2012-12-05 |
Family
ID=47245566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220217762 Expired - Fee Related CN202576130U (en) | 2012-05-15 | 2012-05-15 | Electroplating heavy metal wastewater reuse system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202576130U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104973724A (en) * | 2015-07-31 | 2015-10-14 | 天津邦盛净化设备工程有限公司 | Steel strip wastewater zero-discharge retreatment system and method |
| CN106477783A (en) * | 2016-12-30 | 2017-03-08 | 津水华清（天津）膜科技有限公司 | A kind of cross-flow fine straining sewage disposal system |
| CN107364988A (en) * | 2017-07-25 | 2017-11-21 | 绍兴飞凡实业有限公司 | A kind of electroplating waste-water reutilizing system |
| CN107879506A (en) * | 2017-11-15 | 2018-04-06 | 北京欧美中科学技术研究院 | A kind of new ultrafiltration apparatus |
-
2012
- 2012-05-15 CN CN 201220217762 patent/CN202576130U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104973724A (en) * | 2015-07-31 | 2015-10-14 | 天津邦盛净化设备工程有限公司 | Steel strip wastewater zero-discharge retreatment system and method |
| CN106477783A (en) * | 2016-12-30 | 2017-03-08 | 津水华清（天津）膜科技有限公司 | A kind of cross-flow fine straining sewage disposal system |
| CN107364988A (en) * | 2017-07-25 | 2017-11-21 | 绍兴飞凡实业有限公司 | A kind of electroplating waste-water reutilizing system |
| CN107879506A (en) * | 2017-11-15 | 2018-04-06 | 北京欧美中科学技术研究院 | A kind of new ultrafiltration apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101891323B (en) | Method for classifying, treating and recycling plating washing water on line | |
| CN101481182B (en) | Reverse osmosis water production apparatus, water production method, and method for cleaning and maintaining reverse osmosis water production apparatus | |
| CN102674626B (en) | System and method for treatment and recovery of electronic electroplating wastewater | |
| CN106315939B (en) | A kind of electroplating waste water treatment system and its processing method | |
| CN102417253B (en) | In-depth treatment zero-discharge recovery equipment for heavy metal waste water | |
| CN102838227A (en) | System and method for treating industrial park recycled water to form power plant boiler supplemental water | |
| CN202576130U (en) | Electroplating heavy metal wastewater reuse system | |
| CN101781048B (en) | Low ammonia nitrogen waste water treatment and recycling method | |
| CN203807252U (en) | Seawater treatment device | |
| CN202542972U (en) | Zero discharge system for waste water | |
| CN203922886U (en) | Three grades of reverse osmosis treatment systems of a kind of nickel-containing waste water | |
| CN103145264A (en) | Purifying treatment and recycling process for high-salt-content reclaimed water | |
| CN201610402U (en) | Recycling and deep treatment device for electronic electroplating wastewater | |
| CN205442869U (en) | It produces brackish water desalination system of water recovery rate to improve bitter | |
| CN202865053U (en) | Processing device for wastewater form circulating cooling water and reverse osmosis concentrated water | |
| CN206437968U (en) | A kind of system of high-salt wastewater treatment for reuse | |
| CN202265468U (en) | Equipment for deeply treating and recovering heavy metal waste water with zero discharge | |
| CN104587727A (en) | Multistage kieselguhr filter and filter method thereof | |
| CN105174567B (en) | A kind of heavy metal containing wastewater treatment and recovery system and method | |
| CN204111474U (en) | A kind of seawater cleaning reverse osmosis unit | |
| CN110330140A (en) | Saline and alkaline region water pollution improvement and system for regenerating and recycling and method | |
| CN216191512U (en) | Ship complex oily water treatment system | |
| CN201400615Y (en) | Treatment system of wastewater from circulating water | |
| CN205011542U (en) | Electroplate processing apparatus again of high salt waste water | |
| CN208717017U (en) | A kind of advanced treatment system containing fluorescent whitening agent waste water |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20190515 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |