CN1974443A - Low cost method and apparatus for deeply purifying rain water, washed water and slightly polluted water - Google Patents
Low cost method and apparatus for deeply purifying rain water, washed water and slightly polluted water Download PDFInfo
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- CN1974443A CN1974443A CN 200610022460 CN200610022460A CN1974443A CN 1974443 A CN1974443 A CN 1974443A CN 200610022460 CN200610022460 CN 200610022460 CN 200610022460 A CN200610022460 A CN 200610022460A CN 1974443 A CN1974443 A CN 1974443A
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Abstract
The present invention is low cost method and apparatus for deeply purifying rain water, washed water and other slightly polluted water. The deeply purifying process includes the following steps: treating slightly polluted water in a pre-treater to eliminate oil and impurity, magnetize, oxidize and obtain intermediate A; oxidizing and decomposing the pollutant through reaction and killing eggs, bacteria and viruses in the first oxidizing reactor to obtain intermediate B; filtering, catalyzing decomposing in the second oxidizing reactor to sterilize and obtain intermediate C; and deeply separating in the separator into four parts, including gas exhausted from the top, water under the standard as the intermediate D to be returned to the inlet for treatment, solid matter and pollutant to be exhausted, and water reaching the standard to be led out.
Description
One, technical field
The present invention relates to low-cost deep purifying treatment technology method of micro-polluted water resource utilizations such as a kind of rainwater, wash water and corresponding cleaner device.
Two, background technology
Water surrounding is recovered to prove with the regenerated practical experience both at home and abroad: have only waste water advanced purifying to handle and effective reuse; could realize healthy water cycle; just have only healthy water circulating system as human body artery and venous blood circulation is set up in feedwater and draining; could save water resources, solve the water crisis.Human Freshwater resources are very shortage but also be enough to illustrate that by the fact of severe contamination present people do not set up such water cycle system not only.United Nations's " world's water resources development report " claims to have at least half serious exhausted or contaminated in 500 trunk rivers in the whole world.Along with Increase of population, human consumption to water resources is with geometric growth.The annual lack of water in China irrigated area of current normal time billion cubic meter more than 300 is every year on average because of about 400,000,000 mu of the disaster-stricken area of drought, 3,070,000 square kilometres of soil erosion areas, urban water shortage 60 billion cubic meters.The lack of water city reaches more than 400 in 640 cities, the whole nation, annual because of lack of water influences 2,000 hundred million yuan of industrial output values, has developed into by this water demand of keeping socio-economic development in the mode of sacrificing ecological and environment of its excessive exploitation of groundwater in some geographic cities, the north and rural area.Thus, the powerful water market requirement is badly in need of the water treatment leading technology and the equipment of low-cost advanced treatment and recycle.
Rainwater is the main source of earth fresh water, and quantity is very huge, and only China's average annual rainfall just has 6 tcms approximately.Because of factors such as topsoil and ground dissolvings, contain a large amount of suspended substances, mineral acid, oils, bacterium, virus, organic acid, higher pollutents such as COD, heavy metal and inorganic salt in the rainwater, so rainwater is a micro-polluted water, can not be directly used in life and industrial production without the deep purifying processing.From B.C. more than 6000 years Ah taste Tyke (Aztec) and the refined culture of horse to current rainwater utilization technology nearly all be period: system adds the series of standards system that perfect rainwater is collected, cut dirt, storage, filtration, infiltration, lifting, reuse, control that sets up, it is mainly used in flushes the toilet, carwash, water the garden flowers and trees, wash clothes and recharge underground water etc., all do not have the treatment technology and the corresponding equipment of low-cost deep purifying and directly recycle.Such as, no matter be the Denmark that urbanite water consumption 22% has leaned on rainwater, the U.S. of " flood detention retaining on the spot ", no rainwater utilization measure government will impose the Germany of storm-water drainage facility expense and storm-water drainage expense, the Australia of permeable brick is spread on the trade, still being in the exploratory stage only has some small-sized, partial nonstandard parasexuality rainwater to collect the China that uses in the water-deficient area, and handles rainwater personal and take out Japan that African country's farming irritates or the like, all without exception.
Activity such as human lives, production certainly leads to countless waste water, and wherein the overwhelming majority is the micro-polluted water of sneaking into, and particularly cleans and cooling waste water.Such as, Shanghai every year is only for cleaning water consumption of water tank unexpectedly up to 3,300,000 tons! Not only the waste water overwhelming majority of dischargings such as family, hotel, washing bay is a micro-polluted water, and industry is no exception, mostly is to produce micro-polluted water except that emphasis high pollution industry.
Though chemical method can be handled micro-polluted water by deep purifying, energy consumption and cost are all high, also have secondary pollution, difficult especially the popularization; Biological process and physics method are complicated again less because of pollutent relative contents such as COD, suspended substance, oils, bacterium, virus, heavy metal and inorganic salt, can not reach treatment effect.These people are not had more effective terms of settlement again, have to all it be sneaked in the sewage or waste water of high density or higher concentration and discharge.Like this, not only strengthen the processing cost of sewage and waste water, caused huge environmental pollution, and increased the absolute consumption of water resources, produced surprising water resource waste.As seen, the productive life field advanced micro-polluted water deep purifying of more being badly in need of high-efficiency and low-cost is handled original technology and equipment.
In a word, the all difficult not high pollutents such as COD, bacterium, virus, heavy metal and inorganic salt of micro-polluted water concentration such as rainwater, wash water that effectively thoroughly solve for the treatment of methods such as all mature technologies, Apparatus and system and other sewage, the existing physics of waste water, chemistry, biology and recombining process thereof when the pre-treatment rainwater, deep purifying processing cost height again is not so generally adopt.It is to set up the core of healthy water circulating system and soul that the micro-polluted water low-cost high-efficiency deep purifying of magnanimity is handled also effectively recycle, and so original technology will produce immeasurable economy, environmental protection, environmental ecology and social benefit.
Three, summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, develop the low-cost deep purifying processing of micro-polluted waters such as a kind of rainwater, wash water and, fill up the blank that micro-polluted water does not have low-cost deep purifying processing and application technology as the second resource and equipment according to the effective integrated technological method and the corresponding processor device of different needs with its recycling.For the water cycle system that solves the not only very deficient but also with serious pollution great realistic problem of water resources and finally set up true health provides technology and equipment, allow the mankind's sustainable harmonious development in fine ecotope.
The present invention is achieved by the following technical solutions:
The low-cost deep purifying treatment technology of micro-polluted water resource utilizations such as a kind of rainwater, wash water method, it is characterized in that: this method is a circulating reaction separation system of being made up of pretreatment reaction, advanced oxidation reaction and separation mechanism, and promptly finishes the low-cost deep purifying of micro-polluted waters such as rainwater, wash water successively by the close-coupled processing apparatus that is made of corresponding pretreatment reaction device, advanced oxidation reactor and separator and handle and realize its resource utilization recycle.That is:
Pretreatment reaction device: constitute the pretreatment reaction device by oil removing filtration unit, oxygenate apparatus, magnetic spiral knot screen and realize pretreatment reaction, when finishing reactions such as micro-polluted water magnetization, oxidations such as rainwater, wash water, remove foreign material such as oil, slag, sand, metal and part heavy metal wherein, obtain intermediate A;
Advanced oxidation reactor: constitute the advanced oxidation reactor by the common two-stage advanced oxidation reaction unit of firsts and seconds and finish the advanced oxidation reaction, intermediate A flows into the one-level advanced oxidation reaction unit that is made of ozonizer and ultrasonic response device, to stablize, the difficult decomposition in the quick oxidation of interior pollution substance, decompose, reaction, killing ova, bacterium and virus, obtaining resultant mixed solution intermediate B promptly flows into by filtering layer, ultraviolet generator, the second stage advanced oxidation reaction unit that the light-catalyzed reaction layer constitutes, after filtration, catalysis, decompose, thoroughly reaction and disinfection obtain mineralising resultant mixed solution intermediate C;
Separator: constitute separator by tripping device, monitoring water quality device, reflux pump, pneumatic outlet, sewage draining exit, water out up to standard and finish degree of depth separation, mixed solution intermediate C is separated into four parts through the separator degree of depth: gas is discharged by the top gas outlet; Not meeting the water of setting the water quality standard requirement is intermediate D, draws back micro-polluted water inlet reentry system by reflux pump and continues to handle; The cleaning dirt of solid-state mineralising resultant and tripping device is discharged otherwise processed through sewage draining exit; Water up to standard is derived directly use from purifying water out up to standard.
The oil removing filtration unit of pretreatment reaction device can be any sophisticated facility, device or material with oil removing filtering function.If former water does not have oil or oil pole is few, have only other impurity, this device can only be made as the filtration unit with automatic cleaning function and get final product; Do not have other suspended impurity if former water has only oil, this device can only be established and elect the device that has except that functional oil as and get final product; If oil and other suspended impurity are all very little in the former water, can not establish this device, such as deep purifying current be that the tap water of sterilizing agent just can not established this device with chlorine.
The magnetic spiral knot screen of pretreatment reaction device has the high efficiency reactor function, be that front end is the micro-polluted water inlet that is connected with oxygenate apparatus, the rotating shaft of built-in metal sped structure, the top is provided with driving mechanism that connects the rotating shaft of metal spiral formula and the impurity outlet that is communicated with solid-state dirt collection bin, have the resultant mixture export at the upper inside wall rear side, and settle two-position controller herein, the resultant mixture export is communicated with the advanced oxidation reactor, and the lower end is taper and the magnetic cylinder structure that is provided with the sand setting sewage draining exit in the bottom; Magnetic force can not only effectively remove foreign material such as the middle oil that anhydrates, metal and part heavy metal once more, also change the proterties of some pollution substances in the water, be beneficial to very much and carry out subsequent reactions, the induced current that the rotation of metal spiral formula rotating shaft simultaneously cutting magnetic line produces produces electrochemical effect again, improves reaction efficiency and strengthens impurity-eliminating effect; The rotation of spiral rotating shaft has not only realized solid-liquid separation, also produces mechanical forces such as electric current and strong shearing, impact, stirring, thereby has the function of high efficiency reactor, and realization can be oxidized to CO with the partial organic substances in the micro-polluted water
2And H
2O, inorganics part mineralising, residual oil in also can high efficiency separation water, slag, sand, metal and foreign material such as heavy metal partly.
Micro-polluted water inlet at the pretreatment reaction device is provided with the oxygenate apparatus that charges into air or oxygen.Such as, be provided with the Venturi tube structure formula oxygenate apparatus that air passageways enters the mouth in throat, or the oxygenate apparatus of other similar functions, evenly suck air or oxygen when flowing into the assurance micro-polluted water.The effect of oxygenate apparatus is: both guaranteed oxidizing reaction effectively carrying out in this pretreatment reaction device, guaranteed efficiently carrying out smoothly of following two-stage advanced oxidation reaction again.
The oxygenate apparatus of described pretreatment reaction device can be the Venturi tube structure formula oxygenate apparatus that throat is provided with the air passageways inlet.
Micro-polluted water ingress at the pretreatment reaction device is provided with control valve, carries out the operating requirement of cleaning automatically with the filtration cleaning system that satisfies back oil removing filtration unit and second stage advanced oxidation reaction unit filtering layer and tripping device.
The resultant entry to mixed solution passage of advanced oxidation reactor two stage advanced oxidation reaction unit and the access road of separator all are made as the spiral tube passage, can continue to react fast under the acting in conjunction of mechanical forces such as shearing, impact, stirring behind maintenance intermediate A, B, the C outflow reactor separately.
The one-level advanced oxidation reaction unit of advanced oxidation reactor is made of ultrasonic response device and ozonizer, and the ozonizer outlet links to each other with the inlet of ultrasonic response device.The ultrasonic response device, can produce and be higher than the high temperature of 5000K and greater than the special high energy microcell of 50000KPa highly compressed extreme condition, with pollution substance pulverizing, ionization stable in the liquid phase, and produce a large amount of free radicals, the extremely strong ozone of oxidisability participates in reaction with the heat and mass that is exceedingly fast under this extreme condition, the pollution substance reaction is removed.The ultrasonic response device can be any device or reactor made from ultrasonic principle.Ultrasonic realization quick response principle and application example see " the chemical engineer's technology pandect " P886-898 by Chemical Industry Press's in March, 2003 publication by the Kuang Shenglu chief editor for details.Ozonizer is conventional art product both, also the ozonizer product of modern techniquies such as nanometer, plasma.The principle of ozone oxidation water purification technology and application example can be referring to " advanced treatment of water and reuse technology " P77～80 of being published in May, 2004 by Zhang Linsheng chief editor Chemical Industry Press.The mechanism of ozone/excusing from death coupling and application are referring to " water treatment new technology principle and application " P190～192 of being published in April, 2006 by Yuan Baoling, Wang Hongjie chief editor Chemical Industry Press.
Described ultrasonic response device can for first please patent of invention the flashing reactor product, it realizes that quick response principle and device are 200510021057.0 patent-" flashing reactor and method thereof " referring to application number.
Described ozonizer can be the ozonizer of dielectric barrier discharge plasma technique, and its principle and application example can be referring to write " plasma technique and application " P42～43 of being published in May, 2006 by Chemical Industry Press by Xu Genhui, Jiang Enyong, Shengjing city etc.
The bottom of advanced oxidation reactor second stage advanced oxidation reaction unit is provided with filtering layer, the bottom is provided with the sewage draining exit of band control valve, but its filtering layer screen layer, filter material layer and combination filtering layer structure thereof or other mechanical screening device, filtrate can be gac, quartz sand, various synthetic filtrates etc., specifically select to determine with the water quality requirement that makes water, but adopt which kind of filtering layer all automatic flushing device will be set according to the character for the treatment of water.When holding back dirt and increase filtration resistance and increase to threshold value, cleaning self-con-tained unit startup sewage draining exit control valve opens, the control valve of resultant entry to mixed solution is closed, filtering layer cleans automatically, wash out dirt and together discharge through sewage draining exit together with deposition solid thing, the flushing two-position controller that finishes starts the sewage draining exit control valve and cuts out, and the control valve of resultant entry to mixed solution is opened, system continues normal operation, and this process automated cycle is carried out.
Advanced oxidation reaction unit top, the advanced oxidation reactor second stage is provided with the light-catalyzed reaction layer that ultraviolet generator and nano catalytic material constitute, and with the common reaction of photochemical catalysis and photoxidation various residual organic and inorganic pollutants in the intermediate B is thoroughly decomposed, reacts removal.Its nano catalytic material can be TiO
2, CdS, Fe
2O
3Deng any of conductor photocatalysis material or other existing sophisticated catalytic material.Under UV-irradiation, nano-photocatalyst material produces a large amount of electronics-holes, free radical, and various remaining organic and inorganic pollution substances are decomposed, react and remove.Light-catalysed principle and application example can be referring to write " surround lighting chemistry " P308～427 of being published by Chemical Industry Press in May, 2003 page by Deng Nansheng, Wu Feng.This layer catalytic material also can adopt other new catalytic material, as environment protection catalytic novel materials such as molecular sieve, the block carrier of monoblock type, amorphous alloys.The characteristics of this type of environment protection catalytic novel material, preparation and use-case are referring to " environment protection catalytic material and application " P23～78 of being published in November, 2002 by Chemical Industry Press by Sun Jinyi, Linxi flat sennit work page and related Sections.Simultaneously, in the intermediate B remaining ozone under ultraviolet radiation with extremely strong ability decompose, oxidation removal is organic and inorganic pollutant; Also solved simultaneously the residual disadvantageous effect of ozone better.The principle of light ozone oxidation and application example can be referring to write " surround lighting chemistry " P284～293 of being published in May, 2003 by Chemical Industry Press by Deng Nansheng, Wu Feng.Or adopt other existing mature technology.
The ozone of advanced oxidation reactor, ultrasonic, ultraviolet ray and combined action thereof be various pollutants and with its thorough removal in oxidation fast, decomposition, the reaction water not only, also all be the potent disinfectant of non-secondary pollution, noresidue, the principle of its disinfection and application example can be referring to " advanced treatment of water and reuse technology " P119～122 of being published in May, 2004 by Zhang Linsheng chief editor Chemical Industry Press.
The inlet of separator is provided with control valve, and the tripping device of band self-con-tained unit is wherein built-in, and the bottom is provided with the sewage draining exit of band control valve, and the self-con-tained unit of tripping device all links to each other respectively with the control valve of sewage draining exit control valve and separator inlet.Tripping device can be: adorn the solid absorption body of various sorbing materials 1., and as ion fiber, gac, the adsorbent of band sterilizing function, various polymeric adsorbents etc.; The principle of solid absorption and application example are referring to write " environment dyes improvement method principle and technology " P59～70 of publishing Chemical Industry Press in September, 2003 page by Chen Guohua.2. various an adsorption devices.As gac-microwave device, electro-adsorption device (EST), ion-exchanger etc.Gac-microwave device not only has the fractionation by adsorption function, and efficient decomposition, response function are more arranged.Concrete utilization example can be referring to " water treatment new technology principle and application " P98 page or leaf of being published in April, 2006 by Yuan Baoling, Wang Hongjie chief editor Chemical Industry Press.3. various film spares, membrane module are as electrolemma, microfiltration membrane, ultra-filtration membrane, nanofiltration membrane, composite membrane and other advanced filter membrane of applying for a patent etc.The principle of membrane separation technique and application example can be referring to write " application of membrane technique in waste water control and reuse " P8～65 of publishing Chemical Industry Press in January, 2005 page by Liu Moe, Cai Bangxiao, Chen Yitang.4. screen layer, filter material layer and combination filtering layer structure or other mechanical screening device etc.Filtering principle and application are referring to write " environment dyes improvement method principle and technology " P20 page or leaf the 8th joint～P22 page or leaf that Chemical Industry Press publishes in September, 2003 by Chen Guohua.5. each species complex of above-mentioned materials and device.Concrete which kind of tripping device that adopts requires to determine according to the character that makes water, uses the water quality standard of purifying waste water as long as be provided with automatic flushing device and can reach fully.When absorption or the dirt that dams when increasing to its threshold value, cleaning self-con-tained unit startup sewage draining exit control valve opens, the inlet control valve is closed, tripping device cleans automatically, washes out dirt and together discharges through the bottom blow-down mouth together with deposition solid thing, and cleaning finishes, automatic flushing device starts the sewage draining exit control valve and cuts out, the inlet control valve is opened, and system continues normal operation, and this process automated cycle is carried out.
Described tripping device can be gac-microwave device.
The separator bottom is provided with the recirculation water outlet pipe that is communicated with the micro-polluted water inlet of pretreatment reaction device, is connected with reflux pump on the recirculation water outlet pipe, and the monitoring water quality device links to each other with the control valve of reflux pump with the micro-polluted water inlet.When the monitoring water quality device detects water quality above the setting water quality standard, promptly instruct the control valve closing volume pump of micro-polluted water inlet to open, to draw back the micro-polluted water inlet continuation reaction of pretreatment reaction device above the water of setting water quality standard, when treating that water quality reaches established standards, the monitoring water quality device instructs the control valve of micro-polluted water inlet to open reflux pump again and cuts out, system continues normal operation, and this process automated cycle is carried out.
The dirt collection and treatment separately jointly that the sand setting that solid-state dirt in isolated greasy dirt impurity of the oil removing filtration unit of pretreatment reaction device and the solid-state dirt collection bin and sand setting sewage draining exit are discharged, second stage advanced oxidation reaction unit and separator sewage draining exit are discharged.
The top of separator is provided with pneumatic outlet, and top is provided with water outlet pipe up to standard, and is provided with ultraviolet generator on water outlet pipe up to standard.To up to standard purify waste water to carry out disinfection once more can directly use after the sterilization, low-cost deep purifying of micro-polluted water and resource utilization recycle are achieved.
A kind of low-cost deep purifying of micro-polluted waters such as above-mentioned rainwater, wash water that is exclusively used in is handled the also device of resource utilization recycle utilization method, and it is characterized in that: this device is made of pretreatment reaction device, advanced oxidation reactor and separator, wherein:
The pretreatment reaction device is by the oil removing filtration unit, little dirty beam water inlet, and oxygenate apparatus, control valve, magnetic spiral knot screen, solid-state dirt collection bin, two-position controller, the resultant mixture export, the sand setting sewage draining exit constitutes.Wherein, connect oil removing filtration unit and control valve before being provided with the micro-polluted water inlet of oxygenate apparatus, after connect magnetic spiral knot screen; The rotating shaft of magnetic spiral knot screen built-in metal spirane structure, the top is provided with driving mechanism that connects screw shaft and the impurity outlet that is communicated with solid-state dirt collection bin, have the resultant mixture export that is communicated with the advanced oxidation reactor at the upper inside wall rear side, and to settle two-position controller, lower end herein be taper and the magnetic texure body that is provided with the sand setting sewage draining exit in the bottom; Its resultant mixture export is communicated with the inlet of the one-level advanced oxidation reaction unit of advanced oxidation reactor;
The advanced oxidation reactor is made of two-stage advanced oxidation reaction unit, wherein one-level advanced oxidation reaction unit is by the resultant entry to mixed solution, ozonizer, the ultrasonic response device, the resultant mixture export constitutes, and secondary advanced oxidation reaction unit is by the resultant entry to mixed solution, filtering layer, ultraviolet generator, the light-catalyzed reaction layer, the resultant mixture export constitutes.Wherein, the resultant mixture export that connects magnetic spiral knot screen before the ultrasonic response device portal of one-level advanced oxidation reaction unit, the outlet of bypass ozonizer, after connect the resultant entry to mixed solution of second stage advanced oxidation reaction unit filtering layer, the bottom of this filtering layer is pyramidal structure body and the sewage draining exit that is provided with the band control valve in the bottom, top is the light-catalyzed reaction layer that has ultraviolet generator, and has the resultant mixture export that is communicated with separator at its side;
Separator is by the resultant entry to mixed solution, tripping device, and the monitoring water quality device, the recirculation water outlet pipe, reflux pump, ultraviolet generator, pneumatic outlet, water out up to standard constitutes.Wherein, the bottom is the resultant entry to mixed solution, top is water out up to standard, the pneumatic outlet that has ultraviolet generator, built-in tripping device, monitoring water quality device, outer bottom is provided with the recirculation water outlet pipe that is communicated with the micro-polluted water inlet of pretreatment reaction device, the recirculation water outlet pipe is provided with the reflux pump that links to each other with the monitoring water quality device and be subjected to its control, and the monitoring water quality device connects the also control valve of control reflux pump and micro-polluted water inlet, and the bottom is taper and the device that is provided with the sewage draining exit of band control valve.
Micro-polluted water inlet at the pretreatment reaction device is provided with the oxygenate apparatus that charges into air or oxygen.Such as, be provided with the Venturi tube structure formula oxygenate apparatus of air passageways inlet in throat, or the oxygenate apparatus of other similar functions, evenly suck air or oxygen when guaranteeing that micro-polluted water flows into, guarantee efficiently carrying out smoothly of oxidizing reaction in the pretreatment reaction device and back two-stage advanced oxidation reaction.
The magnetic spiral knot screen of pretreatment reaction device is that front end is the micro-polluted water inlet that is connected with oxygenate apparatus, the rotating shaft of built-in metal spirane structure, the top is provided with driving mechanism that connects screw shaft and the impurity outlet that is communicated with solid-state dirt collection bin, have the resultant mixture export at the upper inside wall rear side, and settle two-position controller herein, the resultant mixture export is communicated with the advanced oxidation reactor, and the lower end is taper and the magnetic cylinder structure that is provided with the sand setting sewage draining exit in the bottom; Magnetic force can not only effectively remove foreign material such as the middle oil that anhydrates, metal and part heavy metal, also change the proterties of some pollution substances in the water simultaneously, be beneficial to very much and carry out subsequent reactions, the induced current that the rotation of metal spiral formula rotating shaft simultaneously cutting magnetic line produces produces electrochemical effect again, improves reaction efficiency and strengthens impurity-eliminating effect; The helical channel of screw shaft had both produced stirring action, also produced mechanical force such as strong shearing, impact and had the function of high efficiency reactor; Thereby the partial organic substances oxidation in the micro-polluted water mainly can be generated CO
2And H
2O, inorganics part mineralising also can efficiently be removed foreign material such as oil remaining in the water, slag, sand, metal and part heavy metal.
The two-position controller of pretreatment reaction device links to each other with the ultraviolet generator of ozonizer, ultrasonic response device, ultraviolet generator and the separator of advanced oxidation reactor, when intermediate A flow to desired location, two-position controller starts the ultraviolet generator of ozonizer, ultrasonic response device, ultraviolet generator and separator works simultaneously, and liquid stops to flow through the ultraviolet generator of promptly closing ozonizer, ultrasonic response device, ultraviolet generator and separator.
The resultant entry to mixed solution passage of advanced oxidation reactor two stage advanced oxidation reaction unit and the access road of separator all are made as the spiral tube passage, are to continue to carry out under the acting in conjunction of mechanical forces such as shearing, impact, stirring to keep behind intermediate A, B, the C outflow reactor reaction separately.
The one-level advanced oxidation reaction unit of advanced oxidation reactor is made of ultrasonic response device and ozonizer, and the ozonizer outlet links to each other with the inlet of ultrasonic response device.The ultrasonic response device, can produce and be higher than the high temperature of 5000K and greater than the special high energy extreme condition of 50000KPa highly compressed, with pollution substance pulverizing, ionization stable in the liquid phase, and produce a large amount of free radicals, the extremely strong ozone of oxidisability participates in reaction with the heat and mass that is exceedingly fast under this extreme condition, the pollution substance reaction is removed.The ultrasonic response device can be any device or reactor made from ultrasonic principle.Such as, application number is 200510021057.0 patent of invention-" flashing reactor and method thereof ", can be referring to its principle and specific practice.
The filtering layer of the oil removing filtration unit of pretreatment reaction device and advanced oxidation reactor second stage advanced oxidation reaction unit and the tripping device of separator all are provided with automatic flushing device, when filtration is held back dirt and is increased to threshold value, cleaning self-con-tained unit startup sewage draining exit control valve opens, micro-polluted water inlet control valve is closed, filtering layer cleans, washing out dirt together discharges through sewage draining exit together with deposit dirt, washing the cleaning self-con-tained unit startup sewage draining exit control valve that finishes closes, micro-polluted water inlet control valve is opened, system continues normal operation, and this process automated cycle is carried out.
The monitoring water quality device of separator links to each other with the control valve of reflux pump with the micro-polluted water inlet.When the monitoring water quality device detects water quality above established standards, promptly instruct the control valve closing volume pump of micro-polluted water inlet to open, to draw back the micro-polluted water inlet continuation reaction of pretreatment reaction device above the water of setting water quality standard, when treating that water quality reaches established standards, the monitoring water quality device instructs the control valve of micro-polluted water inlet to open reflux pump again and cuts out, system continues normal operation, and this process automated cycle is carried out.
The automatic flushing device of the oil removing filtration unit of pretreatment reaction device and advanced oxidation reactor second stage advanced oxidation reaction unit filtering layer and automatic flushing device one end of separator all link to each other with the control valve of micro-polluted water inlet, the other end links to each other with separately sewage draining exit control valve, the monitoring water quality device of the separator also end control valve the other end that connects the micro-polluted water inlet connects reflux pump, controls operation automatically with common realization system.
Pretreatment reaction device, advanced oxidation reactor and separator are by the spiral tube channel connection, the recirculation water outlet pipe of separator also is communicated with the micro-polluted water inlet of pretreatment reaction device, and the sewage draining exit of pretreatment reaction device sand setting sewage draining exit, advanced oxidation reaction unit and separator is communicated with.
The dirt that sand setting, dirt and second stage advanced oxidation reaction unit that solid-state dirt in isolated greasy dirt impurity of the oil removing filtration unit of pretreatment reaction device and the solid-state dirt collection bin and sand setting sewage draining exit are discharged and separator sewage draining exit are discharged is collected jointly, outward transport landfill or otherwise processed.
In a word, in the present invention, the integrated closed cycle advanced treatment apparatus that constitutes through pretreatment reaction device, advanced oxidation reactor and separator by reaction of pretreatment reaction, advanced oxidation and the corresponding composition of separation mechanism successively of micro-polluted water such as rainwater, wash water can be finished low-cost deep purifying of micro-polluted water and resource utilization recycle.
Advantage of the present invention is: at normal temperatures and pressures, need not to add any medicament, micro-polluted water such as rainwater, wash water only needs can realize low-cost deep purifying processing through the close-coupled processing apparatus that is made of pretreatment reaction device, advanced oxidation reactor, separator successively, reach or be better than purifying waste water of national corresponding water quality standard and non-secondary pollution thing according to the service requirements output, and realize that simultaneously resource utilization directly recycles.This technological method and corresponding cleaner device have been filled up the low-cost deep purifying of micro-polluted waters such as rainwater, wash water and have been handled also the directly technological gap of resource utilization recycle.
Low-cost resource utilization advanced purification technology of micro-polluted waters such as this rainwater, wash water and corresponding close-coupled processing apparatus thereof, the little efficient height of volume, treatment capacity is changeable, but also moudle type combination, energy consumption is low, the level of automation height, the treatment and purification micro-polluted water is thorough, safety and stability not only is fit to the deep purifying recycling of rainwater, wash water very much, and is applicable to the deep purifying processing and the resource utilization recycling field of current all micro-polluted waters.Specific as follows:
1, except that rainwater, wash water other all produce micro-polluted waters and need fields such as the industry of its recycle, production, lives.
2, be particularly suitable for the water intaking source domain of micro-polluted waters such as open-air ponding, rainwater, brackish water, the rivers and lakes that polluted and marsh, polluted underground water: be that army, water-deficient area, island, mine, field construction operation etc. provide stable living water directly as living water; Interim living water when directly causing not having water supply conditions at emergency situatioies such as war, accident, natural disaster, water pollution take place; With chlorine disinfectant and tap water not up to standard once more advanced treatment be tap water up to standard etc.
3, be suitable for all micro-polluted water deep purifyings are treated to the field of pure water or direct drinking water equally.
These advantages declare publicly the great economy of the present invention, resource and ecological, environmental protective value, to solving the water crisis, realize the healthy water circulation, and prevention and minimizing disease are preserved the ecological environment, and developing a circular economy has great realistic function and far reaching significance.
Great advantage of the present invention is:
It is purifying waste water of non-secondary pollution thing with the thorough advanced treatment of micro-polluted water at short notice also that this method does not add any medicament at normal temperature and pressure, the integrated purifying apparatus of making of this corresponding techniques method is efficient low-consume not only, volume is little, treatment capacity is big, the level of automation height, the deep purifying micro-polluted water is also directly resource utilization recycle thoroughly, and realized that less investment and processing costs are low especially, and have actual very widely use range, therefore have great applied economics, resource, ecology and the value of environmental protection and vast market prospect.
Four, description of drawings
Fig. 1 is the process flow sheet of the low-cost deep purifying treatment technology of micro-polluted water resource utilizations such as rainwater of the present invention, wash water method.
Fig. 2 is the device assembling synoptic diagram that is exclusively used in the low-cost deep purifying treatment technology of micro-polluted water resource utilizations such as rainwater of the present invention, wash water method.
Among the figure: 1-pretreatment reaction device, 2-advanced oxidation reactor, 3-separator, 4-oil removing filtration unit, 5-micro-polluted water inlet, 6-oxygenate apparatus, the 7-control valve, 8-magnetic spiral knot screen, 9-driving mechanism, the 10-impurity outlet, the solid-state dirt collection bin of 11-, 12-two-position controller, 13-resultant mixture export, 14-sand setting sewage draining exit, 15-resultant entry to mixed solution, the 16-ozonizer, 17-ultrasonic response device, 18-filtering layer, 19-light-catalyzed reaction layer, the 20-ultraviolet generator, 21-sewage draining exit, 22-tripping device, 23-monitoring water quality device, 24-recirculation water outlet pipe, the 25-reflux pump, 26-pneumatic outlet, 27-water out up to standard.
As Fig. 1, the low-cost deep purifying treatment technology of micro-polluted water resource utilizations such as a kind of rainwater, wash water method, it is characterized in that: this method is a circulating reaction separation system of being made up of pretreatment reaction, advanced oxidation reaction and separation mechanism, and promptly finishes the low-cost deep purifying of micro-polluted waters such as rainwater, wash water successively by the close-coupled processing apparatus that is made of corresponding pretreatment reaction device 1, advanced oxidation reactor 2 and separator 3 and handle and realize its resource utilization recycle.That is:
Pretreatment reaction device 1: constitute pretreatment reaction device 1 by oil removing filtration unit 4, oxygenate apparatus 6, magnetic spiral knot screen 8 and realize pretreatment reaction, when finishing reactions such as micro-polluted water magnetization, oxidations such as rainwater, wash water, remove foreign material such as oil, slag, sand, metal and part heavy metal wherein, obtain intermediate A;
Advanced oxidation reactor: constitute advanced oxidation reactor 2 by the common two-stage advanced oxidation reaction unit of firsts and seconds and finish the advanced oxidation reaction, intermediate A flows into the one-level advanced oxidation reaction unit that is made of ozonizer 16 and ultrasonic response device 17, to stablize, the difficult decomposition in the quick oxidation of interior pollution substance, decompose, reaction, killing ova, bacterium and virus, obtaining resultant mixed solution intermediate B promptly flows into by filtering layer 18, ultraviolet generator 20, the second stage advanced oxidation reaction unit that light-catalyzed reaction layer 19 constitutes, after filtration, catalysis, decompose, thoroughly reaction and disinfection obtain mineralising resultant mixed solution intermediate C;
Separator 3: constitute separator 3 by tripping device 22, monitoring water quality device 23, reflux pump 25, pneumatic outlet 26, sewage draining exit 21, water out up to standard 27 and finish degree of depth separation, mixed solution intermediate C is separated into four parts through separator 3 degree of depth: gas is discharged by top gas outlet 26; Not meeting and setting the water that water quality standard requires is intermediate D, draws back micro-polluted water 5 reentry systems that enter the mouth by reflux pump 25 and continues to handle; The cleaning dirt of solid-state mineralising resultant and tripping device 22 is discharged otherwise processed through sewage draining exit 21; Water up to standard is derived directly use from purifying water out 27 up to standard.
As Fig. 2, a kind of device assembling synoptic diagram that is exclusively used in the low-cost deep purifying treatment technology of micro-polluted water resource utilizations such as rainwater of the present invention, wash water method.Wherein:
Pretreatment reaction device 1 is by oil removing filtration unit 4, and micro-polluted water enters the mouth 5, oxygenate apparatus 6, and control valve 7, magnetic spiral knot screen 8, solid-state dirt collection bin 11, two-position controller 12, resultant mixture export 13, sand setting sewage draining exit 14 constitutes.Wherein, connect oil removing filtration unit 4 and control valve 7 before being provided with the micro-polluted water inlet 5 of oxygenate apparatus 6, after connect magnetic spiral knot screen 8; The 8 built-in metal spirane structure rotating shafts of magnetic spiral knot screen, the top is provided with driving mechanism 9 that connects screw shaft and the impurity outlet 10 that is communicated with solid-state dirt collection bin 11, have the resultant mixture export 13 that is communicated with advanced oxidation reactor 2 at the upper inside wall rear side, and to settle two-position controller 12, lower end herein be taper and the magnetic texure body that is provided with sand setting sewage draining exit 14 in the bottom; Its resultant mixture export 13 is communicated with the inlet of the one-level advanced oxidation reaction unit of advanced oxidation reactor 2;
Advanced oxidation reactor 2 is made of two-stage advanced oxidation reaction unit, wherein one-level advanced oxidation reaction unit is by resultant entry to mixed solution 15, ozonizer 16, ultrasonic response device 17, resultant mixture export 13 constitutes, and secondary advanced oxidation reaction unit is by resultant entry to mixed solution 15, filtering layer 18, ultraviolet generator 20, light-catalyzed reaction layer 19, resultant mixture export 13 constitutes.Wherein, the resultant mixture export 13 that connects magnetic spiral knot screen 8 before ultrasonic response device 17 inlets of one-level advanced oxidation reaction unit, 16 outlets of bypass ozonizer, after connect the resultant entry to mixed solution 15 of second stage advanced oxidation reaction unit filtering layer 18, the bottom of this filtering layer 18 is pyramidal structure body and the sewage draining exit 21 that is provided with band control valve 7 in the bottom, top is the light-catalyzed reaction layer 19 that has ultraviolet generator 20, and has the resultant mixture export 13 that is communicated with separator 3 at its side;
Separator 3 is by resultant entry to mixed solution 15, tripping device 22, and monitoring water quality device 23, recirculation water outlet pipe 24, reflux pump 25, ultraviolet generator 20, pneumatic outlet 26, water out 27 up to standard constitutes.Wherein, the bottom is a resultant entry to mixed solution 15, top is water out up to standard 27, the pneumatic outlet 26 that has ultraviolet generator 20, built-in tripping device 22, monitoring water quality device 23, outer bottom is provided with the micro-polluted water inlet 5 recirculation water outlet pipes 24 that are communicated with pretreatment reaction device 1, recirculation water outlet pipe 24 is provided with the reflux pump 25 that links to each other with monitoring water quality device 23 and be subjected to its control, monitoring water quality device 23 connects and controls the control valve 7 of reflux pump 25 and micro-polluted water inlet 5, and the bottom is taper and the device that is provided with the sewage draining exit 21 of band control valve 7.
The magnetic spiral knot screen 8 of pretreatment reaction device 1 is that front end is the micro-polluted water inlet 5 that is connected with oxygenate apparatus 6, the rotating shaft of built-in metal spirane structure, the top is provided with driving mechanism 9 that connects screw shaft and the impurity outlet 10 that is communicated with solid-state dirt collection bin 11, have resultant mixture export 13 at the upper inside wall rear side, and settle two-position controller 12 herein, resultant mixture export 13 is communicated with advanced oxidation reactor 2, and the lower end is taper and the magnetic cylinder structure that is provided with sand setting sewage draining exit 14 in the bottom; Magnetic force can not only effectively remove foreign material such as the middle oil that anhydrates, metal and part heavy metal, also change the proterties of some pollution substances in the water simultaneously, be beneficial to very much and carry out subsequent reactions, the induced current that the rotation of metal spiral formula rotating shaft simultaneously cutting magnetic line produces produces electrochemical effect again, improves reaction efficiency and strengthens impurity-eliminating effect; The helical channel of screw shaft had both produced stirring action, also produced mechanical force such as strong shearing, impact and had the function of high efficiency reactor; Thereby the partial organic substances oxidation in the micro-polluted water mainly can be generated CO
2And H
2O, inorganics part mineralising also can efficiently be removed foreign material such as oil remaining in the water, slag, sand, metal and part heavy metal.
The two-position controller 12 of pretreatment reaction device 1 links to each other with the ultraviolet generator 20 of the ozonizer 16 of advanced oxidation reactor 2, ultrasonic response device 17, ultraviolet generator 20 and separator 3, when intermediate A flow to desired location, the ultraviolet generator 20 that two-position controller 12 starts ozonizer 16, ultrasonic response device 17, ultraviolet generator 20 and separator 3 is worked simultaneously, and liquid stops to flow through the ultraviolet generator 20 of promptly closing ozonizer 16, ultrasonic response device 17, ultraviolet generator 20 and separator 3; The automatic flushing device of the oil removing filtration unit 4 of pretreatment reaction device 1 and advanced oxidation reactor second stage advanced oxidation reaction unit filtering layer 18 and automatic flushing device one end of separator 3 all link to each other with the control valve 7 of micro-polluted water inlet 5, the other end links to each other with separately sewage draining exit 21 control valves 7, the monitoring water quality device 23 of separator 3 also end control valve 7 the other ends that connect micro-polluted water inlet 5 connects reflux pump 25, controls operation automatically with common realization system.
The solid-state dirt of dirt in solid-state dirt collection bin 11 that the sand setting that pretreatment reaction device 1 sand setting sewage draining exit 14 is discharged, second stage advanced oxidation reaction unit and separator 3 sewage draining exits 21 are discharged collected otherwise processed.
Claims (10)
1, the low-cost deep purifying treatment technology of micro-polluted water resource utilizations such as a kind of rainwater, wash water method, it is characterized in that: this method is a circulating reaction separation system of being made up of pretreatment reaction, advanced oxidation reaction and separation mechanism, and promptly finishes the low-cost deep purifying of micro-polluted waters such as rainwater, wash water successively by the close-coupled processing apparatus that is made of corresponding pretreatment reaction device (1), advanced oxidation reactor (2) and separator (3) and handle and realize its resource utilization recycle.That is:
Pretreatment reaction device (1): constitute pretreatment reaction device (1) by oil removing filtration unit (4), oxygenate apparatus (6), magnetic spiral knot screen (8) and realize pretreatment reaction, when finishing reactions such as micro-polluted water magnetization, oxidations such as rainwater, wash water, remove foreign material such as oil, slag, sand, metal and part heavy metal wherein, obtain intermediate A;
Advanced oxidation reactor: constitute advanced oxidation reactor (2) by the common two-stage advanced oxidation reaction unit of firsts and seconds and finish the advanced oxidation reaction, intermediate A flows into the one-level advanced oxidation reaction unit that is made of ozonizer (16) and ultrasonic response device (17), to stablize, the difficult decomposition in the quick oxidation of interior pollution substance, decompose, reaction, killing ova, bacterium and virus, obtaining resultant mixed solution intermediate B promptly flows into by filtering layer (18), ultraviolet generator (20), the second stage advanced oxidation reaction unit that light-catalyzed reaction layer (19) constitutes, after filtration, catalysis, decompose, thoroughly reaction and disinfection obtain mineralising resultant mixed solution intermediate C;
Separator (3): constitute separator (3) by tripping device (22), monitoring water quality device (23), reflux pump (25), pneumatic outlet (26), sewage draining exit (21), water out up to standard (27) and finish degree of depth separation, mixed solution intermediate C is separated into four parts through separator (3) degree of depth: gas is discharged by top gas outlet (26); Not meeting the water of setting the water quality standard requirement is intermediate D, draws back micro-polluted water inlet (5) reentry system by reflux pump (25) and continues to handle; The cleaning dirt of solid-state mineralising resultant and tripping device (22) is discharged otherwise processed through sewage draining exit (21); Water up to standard is derived directly use from purifying water out up to standard (27).
2, the low-cost deep purifying treatment technology of micro-polluted water resource utilizations such as rainwater according to claim 1, wash water method is characterized in that: this technological method is the integration apparatus device by the pretreatment reaction device (1) of pretreatment reaction, advanced oxidation reaction and the corresponding composition of tripping device, advanced oxidation reactor (2) and separator (3) formation.
3, the low-cost deep purifying treatment technology of micro-polluted water resource utilizations such as rainwater according to claim 1, wash water method is characterized in that: the micro-polluted water inlet (5) at pretreatment reaction device (1) is provided with the oxygenate apparatus (6) that charges into air or oxygen; When flowing into, micro-polluted water evenly sucks air or oxygen, to guarantee in this pretreatment reaction device (1), effectively carrying out oxidizing reaction and to guarantee that follow-up two-stage advanced oxidation successful reaction carries out.
4, the low-cost deep purifying treatment technology of micro-polluted water resource utilizations such as rainwater according to claim 1, wash water method, it is characterized in that: resultant entry to mixed solution (15) passage of advanced oxidation reactor (2) the two-stage advanced oxidation reaction unit of this method and the access road of separator (3) all are made as the spiral tube passage, can continue to react fast under the acting in conjunction of shearing, impact, Mixing Machine power behind maintenance intermediate A, B, the C outflow reactor separately.
5, the low-cost deep purifying treatment technology of micro-polluted water resource utilizations such as rainwater according to claim 1, wash water method is characterized in that: the advanced oxidation reactor (1) of this method is made of the first step advanced oxidation reaction unit of ultrasonic response device (17) and ozonizer (16) formation and the second stage advanced oxidation reaction unit that is made of filtering layer (18), ultraviolet generator (20), light-catalyzed reaction layer (19); The extremely strong ozone of oxidisability participates in reaction under the extreme condition of ultrasonic formation, the synergy of photochemical catalysis simultaneously and photoxidation is finished jointly various residual organic and inorganic pollution materials in the water are thoroughly decomposed, react removal.
6, the low-cost deep purifying treatment technology of micro-polluted water resource utilizations such as rainwater according to claim 1, wash water method, it is characterized in that: the tripping device (22) of the separator of this method (3) is: dress ion fiber 1., gac, the solid absorption body of polymeric adsorbent, or other has the material of same adsorption function; 2. gac-microwave device, electro-adsorption device (EST), ion-exchanger an adsorption device; 3. film spare, membrane module: electrolemma, microfiltration membrane, ultra-filtration membrane, nanofiltration membrane, composite membrane and patent filter membrane; 4. screen layer, filter material layer and combination filtering layer structure or mechanical screening device.5. each species complex of above-mentioned materials and device; Concrete which kind of tripping device (22) that adopts requires to determine according to the character that makes water, uses the water quality standard of purifying waste water as long as be provided with automatic flushing device and can reach fully.
7, the low-cost deep purifying treatment technology of micro-polluted water resource utilizations such as rainwater according to claim 1, wash water method, it is characterized in that: this technological method not only is fit to the deep purifying recycling of rainwater, wash water very much, and is applicable to the deep purifying processing and the resource utilization recycling field of current all micro-polluted waters.
8, the low-cost deep purifying treatment technology of micro-polluted water resource utilizations such as rainwater according to claim 1, wash water method, it is characterized in that: pretreatment reaction device (1) is the device with high efficiency reactor and compound removal of impurities function; Wherein, oil removing filtration unit (4) is elementary knot screen, the rotating shaft of magnetic spiral knot screen (8) built-in metal sped structure, the top is provided with driving mechanism (9) that connects the rotating shaft of metal spiral formula and the impurity outlet (10) that is communicated with solid sundries collection box (11), have resultant mixture export (13) at the upper inside wall rear side, and settle two-position controller (12) herein, resultant mixture export (13) is communicated with advanced oxidation reactor (2), and the lower end is taper and the magnetic cylinder structure that is provided with sand setting sewage draining exit (14) in the bottom; The rotation of spiral rotating shaft has not only realized solid-liquid separation, also produce electric current and strong shearing, impact, Mixing Machine power, produce electrochemical effect, improve reaction and impurity-eliminating effect, thereby function with high efficiency reactor, realization can be oxidized to the partial organic substances in the micro-polluted water CO2 and H2O, and inorganics part mineralising also can high efficiency separation foreign material such as oil, slag, sand, metal and part heavy metal wherein.
9, the rainwater that is used for according to claim 2, the integrated apparatus of the low-cost deep purifying treatment technology of micro-polluted water resource utilizations such as wash water method, it is characterized in that: this device is by two-position controller (12), the automatic control system of forming monitoring water quality device (23) and control valve (7) realizes the automatic control operation of this device: the two-position controller (12) of pretreatment reaction device (1) and the ozonizer (16) of advanced oxidation reactor (2), ultrasonic response device (17), the ultraviolet generator (20) of ultraviolet generator (20) and separator (3) links to each other, when intermediate A flow to desired location, two-position controller (12) started ozonizer (16), ultrasonic response device (17), the ultraviolet generator (20) of ultraviolet generator (20) and separator (3) is worked simultaneously; Automatic flushing device one end of the oil removing filtration unit (4) of pretreatment reaction device (1) and the filtering layer (18) of advanced oxidation reactor (2) and separator (3) all links to each other with the control valve (7) of micro-polluted water inlet (5), the other end links to each other with separately sewage draining exit (21) control valve (7), the monitoring water quality device (23) of separator (3) also control valve (7) the other end of end connection micro-polluted water inlet (5) connects reflux pump (25), when monitoring water quality device (23) detects water quality above established standards, promptly instruct control valve (7) the closing volume pump (25) of micro-polluted water inlet (5) to open, to draw back micro-polluted water inlet (5) the continuation reaction of pretreatment reaction device (1) above the water of setting water quality standard, when treating that water quality reaches established standards, monitoring water quality device (23) instructs the control valve (7) of micro-polluted water inlet (5) to open reflux pump (25) again and cuts out, and this process automated cycle is carried out; When absorption or the dirt that dams when increasing to its threshold value, cleaning self-con-tained unit startup sewage draining exit (21) control valve (7) opens, inlet control valve (7) is closed, washing unit cleans automatically, wash out dirt and together discharge through bottom blow-down mouth (21) together with deposition solid thing, cleaning finishes, and automatic flushing device starts sewage draining exit (21) control valve (7) and cuts out, inlet control valve (7) is opened, and this process automated cycle is carried out; Such robot control system(RCS) has realized the automatic control operation of this device.
10, the integrated apparatus that is used for the low-cost deep purifying treatment technology of micro-polluted water resource utilizations such as rainwater, wash water method according to claim 2, it is characterized in that: the pretreatment reaction device (1) of this device, advanced oxidation reactor (2) and separator (3) are by the spiral tube channel connection, the recirculation water outlet pipe (24) of separator (3) also is communicated with the micro-polluted water inlet (5) of pretreatment reaction device (1), and the sewage draining exit of the sand setting sewage draining exit (14) of pretreatment reaction device (1), advanced oxidation reactor (2) and separator (3) is communicated with; The water out up to standard (27) that separator (3) top also is provided with band ultraviolet generator (20) directly be connected with water end (W.E.), pneumatic outlet (26) leads directly in the air.
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| CN111646656A (en) * | 2020-07-14 | 2020-09-11 | 北京工业大学 | Refined regulation and control system suitable for purification and reuse of public building rainwater of multiple water sources |
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