CN202881008U - Emergency treatment system for organic pollutant pollution of drinking water - Google Patents
Emergency treatment system for organic pollutant pollution of drinking water Download PDFInfo
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- CN202881008U CN202881008U CN 201220523688 CN201220523688U CN202881008U CN 202881008 U CN202881008 U CN 202881008U CN 201220523688 CN201220523688 CN 201220523688 CN 201220523688 U CN201220523688 U CN 201220523688U CN 202881008 U CN202881008 U CN 202881008U
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Abstract
The utility model discloses an emergency treatment system for the organic pollutant pollution of drinking water. The system comprises a pretreatment unit, a nano-membrane treatment unit and a reverse osmosis membrane treatment unit, wherein the nano-membrane treatment unit and the reverse osmosis membrane treatment unit are mutually connected in parallel and located on the downstream side of the pretreatment unit; the nano-membrane treatment unit and the reverse osmosis membrane treatment unit are mutually connected in parallel and connected with the pretreatment unit through a water conveying main pipe; the nano-membrane treatment unit comprises a nanofiltration water inlet adjusting valve, a nanofiltration membrane device and a nanofiltration water production electromagnetic valve which are in sequential connection; the reverse osmosis membrane treatment unit comprises a reverse osmosis water inlet adjusting valve, a reverse osmosis membrane device and a reverse osmosis water production electromagnetic valve; and the water conveying main pipe is sequentially provided with a second adjusting valve, a security filter and a water inlet switch valve from the pretreatment unit. The drinking water polluted by organic pollutant is pretreated, and the pretreated drinking water is selectively subjected to nanofiltration treatment or reverse osmosis treatment according to the molecular weight of the organic pollutant.
Description
Technical field
The utility model relates to the Advanced Treatment of Drinking Water field, suffers safe, the efficient emergent treatment system under the sudden Organic pollutants accident conditions with being specifically related to a kind of drinking water source.
Background technology
In recent years, a lot of sudden water pollution events occur in China in succession, and event occurrence frequency and the harm that brings are the gesture of year by year rising, have brought hidden danger for resident's safe drinking water.According to statistics, between China calendar year 2001 to 2004 year 3988 of water pollution accidents occur, after the Song Hua River significant pollution accidents in 2005, water pollution accident occured together in average two to three days.2008, reach 135 through the unexpected environmental accident of the direct dispatch deal of Chinese Ministry of Environmental Protection, wherein threaten have 46 of masses drinking water source safety.Can say, China is in the high-incidence season of environment accident.
The most water factories of China adopt the treatment process of " coagulation+filtration+precipitation+sterilization ", this technique can satisfy the needs that persistence is polluted or micro polluted source is processed under the conventional situation, but the impact resistance of the existing technological measure of water factory is poor, is difficult to tackle water pollution situation sudden, difficult, the short period of time high density.On the other hand, China adopts single water source in most cities, in case sudden pollution of waterhead occurs, source quality possibly can't satisfy the needs of water supply quality at short notice, and the inner storing water ability of water factory can only be kept several hours water supply usually.
The pollutant kind of sudden water pollution event is various, should take corresponding treatment process according to the characteristic of pollutent.For particulate pollutant, can adopt the method for enhanced coagulation and precipitation; For organic pollutant, can adopt the technology of absorption or oxidation; For biological pollution, can adopt the methods such as oxidation deactivation, clarification to remove; For heavy metal contaminants and general inorganic hazardous and noxious substances, can adopt the methods such as absorption, chemical precipitation, ion-exchange to remove.
For example, application number is that 200910197861.2 Chinese invention patent application has been announced the method that organic pollutants is removed in a kind of drinking water enhanced processing, concrete steps are: add the chemical agent with oxidisability in pending water, reacted 0.5 minute～10 minutes, and adopted modified particles filtrate depth filtration, deep bed filtration; Wherein: the add-on of chemical agent is 0.2～5mg in every liter of pending water.The depth filtration, deep bed filtration granule filter materials such as the quartz sand, zeolite, trichroite, haydite of surface modification are carried out in use through the oxide compound of the metals such as iron, manganese, aluminium, in filtering forward direction water to be filtered, add certain density oxidisability confection, water stops in filter bed when flowing out filter bed behind the certain hour, natural organic matter and micro quantity organic pollutant can efficiently be removed in the water, and the medicament that adds simultaneously can not penetrate filtering layer.This inventive method to natural organic matter in the water, that potassium permanganate, ozone, hydrogen peroxide are difficult to the difficult degradation micro quantity organic pollutant removal effect that Quick Oxidation removes especially in the ordinary course of things is better.
In the face of increasingly serious water security situation, should improve as early as possible the Emergency System of China's sudden water pollution event, comprise protection, contingency management mechanism, relevant laws and regulations, emergency monitoring equipment, emergency processing method and the emergency water supply prediction scheme etc. of waterhead area.In the face of the source quality situation that goes from bad to worse and contingent sudden water pollution event at any time, water factory should increase the emergency schedule of necessity, formulates corresponding emergency plan.
The utility model content
The emergent treatment system that the utility model provides a kind of Organic Pollutants in Drinking Water to pollute when drinking water source ground organic pollutant is occured pollutes, carries out emergency processing according to the molecular weight of organic pollutant to tap water, safety, efficiently.
The emergent treatment system that a kind of Organic Pollutants in Drinking Water is polluted comprises pretreatment unit, parallel with one another and be positioned at nanofiltration membrane treatment unit and the reverse osmosis membrane processing unit in described pretreatment unit downstream; Described nanofiltration membrane treatment unit links to each other with described pretreatment unit by a water delivery house steward afterwards with the reverse osmosis membrane processing unit is parallel with one another; Described nanofiltration membrane treatment unit comprises nanofiltration inlet regulating valve, nano filter membrance device and the nanofiltration product water solenoid valve that connects successively; Described reverse osmosis membrane processing unit comprises feed water by reverse osmosis variable valve, reverse osmosis membrane apparatus and the reverse osmosis produced water solenoid valve that connects successively; Described water delivery house steward is upper to be provided with the second variable valve, cartridge filter and water inlet switching valve successively from described pretreatment unit.
System of the present utility model is subjected to the emergency processing after organic pollutant pollutes with being used for drinking water source, if the organic pollutant molecule amount that source water suffers is during more than or equal to 200 dalton, the water outlet of pretreatment unit is switched to the nanofiltration membrane treatment unit carry out advanced treatment, remove the organic pollutant in the water, produce water and be stored in the corresponding tank; If the organic pollutant molecule amount that source water suffers is during less than 200 dalton, the water outlet of pretreatment unit is switched to the reverse osmosis membrane processing unit carry out advanced treatment, remove the organic pollutant in the water, produce water and be stored in the corresponding tank.
The purpose that pretreatment unit is set is in order to remove suspended substance, particulate matter, colloid and the bacterium etc. in the water, with regard to described pretreatment unit itself, it can be existing conventional pretreatment technology, in the utility model, preferably, described pretreatment unit comprises self-cleaning filter, ultra-filtration equipment and the water tank that connects successively, and described water delivery house steward links to each other with water tank.
The characteristics such as described self-cleaning filter uses microporous membrane, and membrane pore size is 50-150 μ m, and self-cleaning filter has compact construction, and the standard modular design is flexible, and floor space is little.
The ultra-filtration membrane material of using in the described ultra-filtration equipment comprises polyvinylidene difluoride (PVDF), polyvinyl chloride, polysulfones, polyethersulfone, polypropylene, polyethylene film, and the ultra-filtration membrane aperture is 0.01-0.1 μ m, and the ultra-filtration membrane form is hollow-fibre membrane.
In order to reduce the consumption of water, control processing cost, described pretreatment unit is provided with a cover Self-cleaning system, with the clear water back flushing ultra-filtration equipment after the uf processing, that is:
Be provided with ultrafiltration back flushing water pipe between described water tank and ultra-filtration equipment, be provided with successively back flushing inlet regulating valve and backwash pump along water (flow) direction on the described ultrafiltration back flushing water pipe.
More preferably, also be provided with the clean-out system throwing device on the described ultrafiltration back flushing water pipe.
Described ultra-filtration equipment adopts full dose to filter, automatic back-washing, the constant current Controlling operation method, in servicely regularly ultra-filtration membrane is carried out back flushing and chemical enhanced backwash, according to the water quality situation that enters ultrafiltration system, determine back flushing frequency, backwashing time and back washing strength, the back flushing frequency is generally 1-2 time/hr, backwashing time is 30-60s/ time, and back washing strength is 30-60L/m
2.hr.According to the water quality situation that enters ultrafiltration system, determine chemical enhanced backwash frequency and suitable chemical, chemical enhanced backwash frequency is generally 6-12 times/year, and chemical is generally acid and oxidisability clean-out system, example hydrochloric acid or organic acid, clorox and sodium hydroxide solution.In chemical enhanced backwash process, the pH value of chemical cleaning solution is controlled between the 2-12, temperature is no more than 45 ℃, after the immersion by the short period of time (5-15min) and the wash cycles chemical cleaning solution is discharged, and the performance of ultra-filtration membrane is recovered.
Described nanofiltration membrane treatment unit and reverse osmosis membrane processing unit also arrange automatic back-washing, and its backwashing system can be that each processing unit independently arranges, and also can be that two processing units share a cover, in the utility model, and a kind of scheme after adopting, that is:
Also comprise a Self-cleaning system, described Self-cleaning system comprises cleaning water tank, the 3rd variable valve, chemical cleaning pump and the cleaning cartridge filter that connects successively, the rising pipe one tunnel of described cleaning cartridge filter connects described nano filter membrance device, one the tunnel connects described reverse osmosis membrane apparatus, be equipped with variable valve at the pipeline that connects described nano filter membrance device and reverse osmosis membrane apparatus, be equipped with the concentrated water discharge magnetic valve on described nano filter membrance device and the reverse osmosis membrane apparatus.
The nanofiltration membrane of using in the described nano filter membrance device is that commercially available Dow, GE, Hydranautics, east are beautiful, the Big Dipper, epoch 4 inches or 8 inches rolling nanofiltration membrane components of fertile, and membrane material is aromatic polyamides or polypiperazine-amide.
Nanofiltration membrane component can be polluted behind the operation certain hour, causes the decline of film properties, so need to carry out matting to nanofiltration membrane, to recover its normal performance.According to the water quality situation that enters the nanofiltration membrane treatment system, determine the frequency of matting and suitable chemical, the matting frequency is generally 3-6 times/year, and chemical is generally hydrochloric acid or organic acid or sodium hydroxide solution.In Process of Chemical Cleaning, the pH value of chemical cleaning solution is controlled between the 2-12, temperature is no more than 45 ℃, after the immersion by the short period of time (5-10min) and the wash cycles chemical cleaning solution is discharged, and the performance of nanofiltration membrane is recovered.
The reverse osmosis membrane that uses in the reverse osmosis membrane apparatus is that commercially available Dow, GE, Hydranautics, east are beautiful, the Big Dipper, epoch 4 inches or 8 inches coiled reverse osmosis membrane assemblies of fertile, and membrane material is aromatic polyamides.
Reverse osmosis membrane assembly can be polluted behind the operation certain hour, causes the decline of film properties, so need to carry out matting to reverse osmosis membrane, to recover its normal performance.According to the water quality situation that enters reverse osmosis membrane treatment system, determine the frequency of matting and suitable chemical, the matting frequency is generally 3-6 times/year, and chemical is generally hydrochloric acid or organic acid or sodium hydroxide solution.In Process of Chemical Cleaning, the pH value of chemical cleaning solution is controlled between the 2-12, temperature is no more than 45 ℃, after the immersion by the short period of time (5-10min) and the wash cycles chemical cleaning solution is discharged, and the performance of reverse osmosis membrane is recovered.
More preferably, also be provided with scale inhibitor feeding device on the described water delivery house steward.The Scale inhibitors that adds in the scale inhibitor feeding device is commercially available nanofiltration membrane Scale inhibitors.
Preferably, be provided with the coagulant dosage device before the described self-cleaning filter.The coagulating agent that adds in the coagulant dosage device comprises iron trichloride, Tai-Ace S 150 and polymeric aluminum, strengthens the filter effect of self-cleaning filter.
The utility model utilizes nanofiltration membrane or reverse osmosis membrane to the organic high characteristic of removing, and suffers under the sudden Organic pollutants accident conditions on drinking water source ground, can obtain safely in time, efficiently, qualified tap water.
Description of drawings
Fig. 1 is process flow diagram of the present utility model;
Fig. 2 is structural representation of the present utility model.
Reference numeral is as follows shown in the figure:
1-polluted water tank 2-the first inlet regulating valve 3-the first booster water pump
4-self-cleaning filter 5-draining variable valve 6-ultrafiltration inlet regulating valve
Water solenoid valve 9-back flushing water discharge valve is produced in 7-ultra-filtration equipment 8-ultrafiltration
10-water tank 11-the second inlet regulating valve 12-the second booster water pump
The 13-cartridge filter 14-high-pressure hydraulic pump 15-switching valve of intaking
Water solenoid valve is produced in 16-nanofiltration inlet regulating valve 17-nano filter membrance device 18-nanofiltration
19-nanofiltration concentrated water discharge electromagnetism 20-feed water by reverse osmosis variable valve 21-reverse osmosis membrane apparatus
Valve
The reverse osmosis produced water solenoid valve 23-of 22-reverse osmosis concentrated water discharges electric 24-tap water tank
Magnet valve
25-coagulant dosage device 26-back flushing inlet regulating valve 27-clean-out system throwing device
28-backwash pump 29-scale inhibitor feeding device 30-cleans water tank
31-the 3rd inlet regulating valve 32-chemical cleaning pump 33-cleans cartridge filter
34-the 4th inlet regulating valve 35-the 5th inlet regulating valve.
Embodiment
As shown in Figure 2, a kind of emergent treatment system of tap water Organic pollutants comprises polluted water tank 1, pretreatment unit, is positioned at pretreatment unit downstream and nanofiltration membrane treatment unit parallel with one another and reverse osmosis membrane processing unit, tap water tank 24.
Pretreatment unit comprises self-cleaning filter 4 and ultrafiltration membrane treatment unit, the ultrafiltration membrane treatment unit comprises ultra-filtration equipment 7 and water tank 10 and anti-cleaning equipment, polluted water tank 1, self-cleaning filter 4, connect by hydraulic pipe successively between ultra-filtration equipment 7 and the water tank 10, on the hydraulic pipe between polluted water tank 1 and the self-cleaning filter 4, set gradually the first inlet regulating valve 2 along water (flow) direction, coagulant dosage device 25 and the first booster water pump 3, regulate the water yield that enters in the self-cleaning filter 4 by the first inlet regulating valve 2, by the first booster water pump 3 water in the polluted water tank 1 is pumped in the self-cleaning filter 4, by coagulant dosage device 25 dosing coagulant in this part hydraulic pipe.
Self-cleaning filter 4 is with draining variable valve 5, hydraulic pipe between self-cleaning filter 4 and ultra-filtration equipment 7 arranges ultrafiltration inlet regulating valve 6, ultrafiltration inlet regulating valve 6 is regulated the water yield that enters in the ultra-filtration equipment 7, and the hydraulic pipe between ultra-filtration equipment 7 and water tank 10 arranges ultrafiltration and produces water solenoid valve 8.
A ultrafiltration back flushing water pipe also is set between water tank 10 and the ultra-filtration equipment 7, in ultra-filtration equipment 7, carry anti-rinse water by this ultrafiltration back flushing water pipe, on ultrafiltration back flushing water pipe and along anti-rinse water flow direction, set gradually back flushing inlet regulating valve 26, clean-out system throwing device 27 and backwash pump 28, ultra-filtration equipment 7 is with back flushing water discharge valve 9, back flushing inlet regulating valve 26 is regulated the flow of backwashing water, clean-out system throwing device 27 adds clean-out system in ultrafiltration back flushing water pipe, backwash pump 28 enters the fresh water pump in the water tank 10 in the ultrafiltration device 7 ultra-filtration equipment 7 is carried out back flushing, and the dense water after the back flushing is flowed out by back flushing water discharge valve 9.
The nanofiltration membrane treatment unit comprises nano filter membrance device 17, and the delivery pipe branch of surveying in nano filter membrance device 17 water inlets is provided with nanofiltration inlet regulating valve 16, and the delivery pipe branch of surveying in nano filter membrance device 17 water outlets arranges nanofiltration product water solenoid valve 18.
The reverse osmosis membrane processing unit comprises reverse osmosis membrane apparatus 21, at the delivery pipe branch of reverse osmosis membrane apparatus 21 influent sides feed water by reverse osmosis variable valve 20 is set, and at the delivery pipe branch of reverse osmosis membrane apparatus 21 water outlet sides reverse osmosis produced water solenoid valve 22 is set.
Nanofiltration membrane treatment unit and reverse-osmosis treated units shared one cover Self-cleaning system, Self-cleaning system comprises the cleaning water tank 30 that connects successively by cleaning water pipe, the 3rd inlet regulating valve 31, chemical cleaning pump 32 and cleaning cartridge filter 33, that cleans cartridge filter 33 goes out moisture two-way rinse water arm, connect respectively nano filter membrance device 17 and reverse osmosis membrane apparatus 21, at the rinse water arm that connects nano filter membrance device 17 the 4th inlet regulating valve 34 is set, at the rinse water arm that connects reverse osmosis membrane apparatus 21 the 5th inlet regulating valve 35 is set, nano filter membrance device 17 is provided with nanofiltration concentrated water discharge magnetic valve 19, and reverse osmosis membrane apparatus 21 is provided with reverse osmosis concentrated water discharge solenoid valve 23.
Be equipped with electrical control system at ultra-filtration equipment 7, nano filter membrance device 17 and reverse osmosis membrane apparatus 21 places, the emergent treatment system of present embodiment, can be set to manual control mode, also can be set to automatic control mode, automatic control mode is realized by the PLC Controlling System is installed.
Technical process of the present utility model is as follows:
As shown in Figure 1 and Figure 2, be subjected to the source water of Organic pollutants after conventional water treatment art breading, be stored in the polluted water tank 1, pump into self-cleaning filter 4 and ultra-filtration equipment 7 through the first booster water pump 3, water outlet is stored in water tank 10.
According to the influent quality situation, dosing coagulant in self-cleaning filter 4 water inlet pipes is to improve the filter effect of self-cleaning filter 4, the pollution that slows down ultra-filtration membrane.Adopt the ultrafiltration water outlet, the ultra-filtration membrane by 28 pairs of ultra-filtration equipment 7 of backwash pump carries out regular back flushing.In case of necessity, by in ultrafiltration back flushing water pipe, adding chemical ultra-filtration membrane is carried out matting.
Suffer the organic matter molecular mass size of chemical pollution according to source water, to determine adopting nanofiltration membrane treatment unit or reverse osmosis membrane processing unit to make further advanced treatment.The organic pollutant molecule amount that suffers when source water is during more than or equal to 200 dalton, introduce nano filter membrance device 17 through the second inlet regulating valve 11, the second booster water pump 12, cartridge filter 13, high-pressure hydraulic pump 14, the water that will be stored in the water tank 10 by water inlet switching valve 15 again, nanofiltration is produced water and is produced water solenoid valve 18 inflow tap water tanks 24 through nanofiltration, and the dense water of nanofiltration is back to polluted water tank 1 or discharging through nanofiltration concentrated water discharge magnetic valve 19.
The organic pollutant molecule amount that suffers when source water is during less than 200 dalton, introduce reverse osmosis membrane apparatus 21 through the second inlet regulating valve 11, the second booster water pump 12, cartridge filter 13, high-pressure hydraulic pump 14, the water that will be stored in the water tank 10 by water inlet switching valve 15 again, reverse osmosis produced water flows into tap water tank 24 through reverse osmosis produced water solenoid valve 22, and reverse osmosis concentrated water is back to polluted water tank 1 or discharging through reverse osmosis concentrated water discharge solenoid valve 23.
Embodiment
Phthalic ester (Phthalic acid esters, PAEs) is widely used in the processing of plastics as softening agent, also can be used as in addition the raw materials for production of food product pack, agricultural chemicals, makeup, toy for children and pharmaceutical prod.Phthalic ester will inevitably enter water surrounding in production and use procedure, particularly produce and use enterprise and transportation means when suffering burst accident, and the risk that enters water surrounding is larger.Phthalic ester is the endocrine disrupter of a quasi-representative, and human body is had very strong damaging effect.Just include 3 indexs of diethyl phthalate, dibutyl phthalate and phthalic acid two (2-ethylhexyl) ester in the new tap water national standard (GB5749-2006) of China.
According to the method and system that the utility model provides, designing and made a cover processing power is 500m
3/ d's is safety, the high-effect drinking-water emergency processing equipment of core based on nanofiltration or reverse osmosis, is used for source water and processed by the safe drinking water under the sudden phthalic ester pollution condition.
Self-cleaning filter in the emergency processing equipment is selected the JY2-3 type disc filter of Beijing new energy technology company limited in clean bright morning, and filtering accuracy is 100 μ m.The SVU-1060-C type membrane module that ultra-filtration membrane in the ultrafiltration membrane treatment unit adopts the Beijing Canpure Environment ProtectionTechnology Co., Ltd to produce.The effluent quality of ultrafiltration membrane treatment unit: turbidity≤0.5NTU, SDI≤3, suspended substance＜5mg/L.The back flushing frequency of ultra-filtration membrane in service is 2 times/hr, and backwashing time is 30 seconds/time, and backwash intensity is 45L/m
2.hr.The chemical enhanced backwash frequency of ultra-filtration membrane in service is generally 0.5 times/day, and chemical is the 200ppm chlorine bleach liquor.In chemical enhanced backwash process, after the immersion by 1min and the 1min wash cycles chemical cleaning solution to be discharged, the performance of ultra-filtration membrane is recovered.
Pollute when source water suffers diethyl phthalate, diethyl phthalate concentration is 1mg.L in the water
-1The time, because the molecular weight of dibutyl phthalate is 222.2 dalton, greater than 200 dalton, therefore adopt the nanofiltration membrane treatment system to carry out advanced treatment.Nanofiltration membrane is selected the DK4040 membrane module of GE company, adopts the one-level two-phase method, and one section operating pressure is 1.8MPa, the rate of recovery of water 〉=70%, the clearance of diethyl phthalate 〉=75.0%.
The concentration of diethyl phthalate is less than 0.25mg.L in the tap water after the emergency processing device processes that employing is made take the DK8040 nanofiltration membrane as core
-1, be lower than the diethyl phthalate desired value of setting in China's drinking water sanitary standard (GB5749-2006).Tap water correlation water parameter after nanofiltration is processed and comparing result such as the table 1 of GB5749-2006 standard.
Table 1
Pollute when source water suffers dimethyl phthalate, dimethyl phthalate concentration is 1mg.L in the water
-1The time, because the molecular weight of dimethyl phthalate is 194.2, less than 200 dalton, therefore adopt reverse osmosis membrane treatment system to carry out advanced treatment.The BDX8040B-375 membrane module that reverse osmosis membrane selects Hangzhou Beidouxing Film Products Co., Ltd to produce adopts the one-level two-phase method, and one section operating pressure is 1.8MPa, the rate of recovery of water 〉=70%, the clearance of dimethyl phthalate 〉=95.0%.The concentration of dimethyl phthalate is less than 0.05mg.L in the tap water after the processing
-1Tap water correlation water parameter after the reverse-osmosis treated and comparing result such as the table 2 of GB5749-2006 standard.
Table 2
By the result of table 1 and table 2 as can be known, by the tap water that emergent treatment system of the present utility model and art breading water source are polluted by organic pollutant, convenient and swift, the tap water after the processing all meets the standard of GB5749-2006.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201220523688 CN202881008U (en) | 2012-10-11 | 2012-10-11 | Emergency treatment system for organic pollutant pollution of drinking water |
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| CN 201220523688 CN202881008U (en) | 2012-10-11 | 2012-10-11 | Emergency treatment system for organic pollutant pollution of drinking water |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102874902A (en) * | 2012-10-11 | 2013-01-16 | 浙江工商大学 | Emergency treatment system and method for drinking water organic contaminant pollution |
| CN103626316A (en) * | 2013-11-28 | 2014-03-12 | 深圳职业技术学院 | Emergency treatment device for drinking water sources polluted by heavy metals |
| CN103755079A (en) * | 2014-02-21 | 2014-04-30 | 河南洁源膜分离科技有限公司 | Sewage treatment method for production of refined cotton |
| CN104211206A (en) * | 2014-08-15 | 2014-12-17 | 浙江工商大学 | Seawater reverse osmosis desalination technology for boats, and apparatus thereof |
| CN104355441A (en) * | 2014-10-24 | 2015-02-18 | 杨晓斌 | Coal mine wastewater recycling device |
| CN104445791A (en) * | 2014-12-12 | 2015-03-25 | 青岛水务集团有限公司科技中心 | Water purification and deep treatment device |
| CN104529035A (en) * | 2014-12-24 | 2015-04-22 | 北京桑德环境工程有限公司 | High-concentration organic wastewater zero-discharge treatment system and method |
| CN106277437A (en) * | 2016-08-18 | 2017-01-04 | 成都振中电气有限公司 | It is applicable to the water treatment system of remote districts |
| CN115475521A (en) * | 2022-02-28 | 2022-12-16 | 青岛海尔施特劳斯水设备有限公司 | Filter core and water purifying device comprising same |
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2012
- 2012-10-11 CN CN 201220523688 patent/CN202881008U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102874902A (en) * | 2012-10-11 | 2013-01-16 | 浙江工商大学 | Emergency treatment system and method for drinking water organic contaminant pollution |
| CN102874902B (en) * | 2012-10-11 | 2014-07-09 | 浙江工商大学 | Emergency treatment system and method for drinking water organic contaminant pollution |
| CN103626316A (en) * | 2013-11-28 | 2014-03-12 | 深圳职业技术学院 | Emergency treatment device for drinking water sources polluted by heavy metals |
| CN103626316B (en) * | 2013-11-28 | 2015-08-12 | 深圳职业技术学院 | A kind of for the emergency treatment device by heavy metal contamination drinking water source |
| CN103755079A (en) * | 2014-02-21 | 2014-04-30 | 河南洁源膜分离科技有限公司 | Sewage treatment method for production of refined cotton |
| CN103755079B (en) * | 2014-02-21 | 2015-03-04 | 河南洁源膜分离科技有限公司 | Sewage treatment method for production of refined cotton |
| CN104211206A (en) * | 2014-08-15 | 2014-12-17 | 浙江工商大学 | Seawater reverse osmosis desalination technology for boats, and apparatus thereof |
| CN104355441A (en) * | 2014-10-24 | 2015-02-18 | 杨晓斌 | Coal mine wastewater recycling device |
| CN104445791A (en) * | 2014-12-12 | 2015-03-25 | 青岛水务集团有限公司科技中心 | Water purification and deep treatment device |
| CN104529035A (en) * | 2014-12-24 | 2015-04-22 | 北京桑德环境工程有限公司 | High-concentration organic wastewater zero-discharge treatment system and method |
| CN106277437A (en) * | 2016-08-18 | 2017-01-04 | 成都振中电气有限公司 | It is applicable to the water treatment system of remote districts |
| CN115475521A (en) * | 2022-02-28 | 2022-12-16 | 青岛海尔施特劳斯水设备有限公司 | Filter core and water purifying device comprising same |
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