CN106517620A - Central water processing unit and water processing system - Google Patents
Central water processing unit and water processing system Download PDFInfo
- Publication number
- CN106517620A CN106517620A CN201710014396.9A CN201710014396A CN106517620A CN 106517620 A CN106517620 A CN 106517620A CN 201710014396 A CN201710014396 A CN 201710014396A CN 106517620 A CN106517620 A CN 106517620A
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- China
- Prior art keywords
- water
- central
- reverse osmosis
- inlet end
- treatment machine
- Prior art date
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 323
- 238000012545 processing Methods 0.000 title abstract description 9
- 238000000108 ultra-filtration Methods 0.000 claims abstract description 55
- 238000001728 nano-filtration Methods 0.000 claims abstract description 50
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 49
- 239000002351 wastewater Substances 0.000 claims abstract description 37
- 241000894006 Bacteria Species 0.000 claims abstract description 8
- 238000001914 filtration Methods 0.000 claims description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
- 229920000742 Cotton Polymers 0.000 claims description 6
- 238000000746 purification Methods 0.000 claims description 6
- 230000004907 flux Effects 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 230000001954 sterilising effect Effects 0.000 abstract description 7
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 230000036541 health Effects 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000009395 breeding Methods 0.000 abstract 1
- 230000001488 breeding effect Effects 0.000 abstract 1
- 238000011010 flushing procedure Methods 0.000 description 14
- 238000005516 engineering process Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 150000003839 salts Chemical class 0.000 description 6
- 239000008234 soft water Substances 0.000 description 6
- 230000007613 environmental effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 230000035622 drinking Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 239000012267 brine Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 2
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 1
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical class C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000037384 skin absorption Effects 0.000 description 1
- 231100000274 skin absorption Toxicity 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 239000012498 ultrapure water Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/442—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by nanofiltration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
Abstract
The invention provides a central water processing unit and a water processing system. the central water processing unit comprises a filter cartridge, an ultrafiltration component, a nanofiltration reverse osmosis component and a sterile purified water tank, wherein the water outlet end of the filter cartridge is communicated with the water inlet end of the ultrafiltration component, the first water outlet end of the ultrafiltration component is communicated with the water inlet end of the nanofiltration reverse osmosis component, and a second water outlet end of the ultrafiltration component is communicated with a waste water tank; a first water outlet end of the nanofiltration reverse osmosis component is communicated with a first water inlet end of the sterile purified water tank, and a second water outlet end of the nanofiltration reverse osmosis component is communicated with the waste water tank; and a first water outlet end of the sterile purified water tank is communicated with a client side, and a second water outlet end of the sterile purified water tank is communicated with a second water inlet end of the sterile purified water tank. According to the central water processing unit, the water circulation and sterilization effects can be realized, water can circularly flow between the sterile purified water tank and the water consumption terminal, and thus the breeding of bacteria in a pipeline can be effectively controlled; and the central water processing unit has the advantages of being simple in structure, beneficial to health, green and environmentally friendly and the like.
Description
Technical field
The present invention relates to water-treatment technology field, more particularly, to a kind of central water treatment machine and water treatment system.
Background technology
At present terminal use's (factory, building directly drink etc. for the domestic with tap water as water source, food and drink) will meet conventional water quality
The water treatment facilities that (except the special water quality that special industry is required, such as the high purity water of semicon industry) is required, are by coarse filtration
Equipment (fore filter), central purifier (activated carbon equipment), central water softening device (ion-exchange unit), central ultra-filtering machine
(ultrafiltration apparatuss) and terminal Drinking fountain are constituted, wherein, terminal Drinking fountain is divided into ordinary terminal water purifier (usually by filtering accuracy
Activated carbon adds ultrafiltration or nanofiltration) and two kinds of terminal water purification machine (reverse osmosis technology).
Process of all of above equipment to water, simply meets conventional equipment (boiler, floor heating, washing machine etc.) and directly drinks right
The requirement of water quality.The application of reverse osmosis technology, is divided into two kinds of Industrial reverse osmosis and terminal reverse osmosiss (domestic water purifying machine).
The pretreatment of Industrial reverse osmosis equipment, by raw water box, raw water pump, husky filter, activated carbon water purifier and soft water unit
Into main frame is made up of high-pressure pump, RO reverse osmosis membrane groups, electric-control system, and water system is made up of clear water tanks and feed pump.
Household reverse osmosis equipment is made up of coarse filtration, activated carbon, RO films, casing and electric-control system.
In above-mentioned all devices, by various combination, basic demand of most of user to water process can be met, but
There is following defect.
It is excessive to there is volume in Industrial reverse osmosis equipment, high energy consumption, and wastewater flow rate is big (total water consumption 40%), seriously polluted (its
Have water softening device in structure, have strong brine discharge) the problems such as, it is impossible to meet the demand of all common users.
Conventional equipment (preposition, Central water purification, central soft water, central ultra-filtering), only in the case where all installing, ability
Water process to aseptic, soften, such as need to directly drink, it is necessary to quality classification water supply, different water (soft water are conveyed by different pipelines
Machine contains a large amount of sodium ion in producing water, it is adaptable to equipment, directly should not drink, it is necessary to and ultrafiltration is produced water and is separated), and seriously polluted (its
Have water softening device in structure, have strong brine discharge), if direct drinking quality will be improved, must just install terminal additional and directly drink equipment.
Conventional equipment waste water is unable to centralized recovery utilization, except conventional pollution beyond the region of objective existence in waste water, also containing manually adding in a large number
Plus salt (Sodium Chloride, water softening device consumptive material), greening can not be used, and being discharged into underground can severe contamination subsoil water.
Conventional equipment cannot accomplish constant pressure, periodical feeding, it is impossible to effective control pipeline bacteria breed and secondary pollution.
Conventional equipment can not be provided while meeting the water quality of high-quality drinking water and equipment water requirement.
The soft water that conventional equipment is provided, is used for equipment water and domestic water at present, and wherein domestic water is (as taken a shower
Deng) life-time service can be by the sodium in skin absorption water, increase total intake of the human body to sodium, affects health.
In conventional equipment, because functions of the equipments difference causes numerous kinds, complex operation, fault rate are high, and maintenance period is different
Workload is big and later maintenance is costly.
The defect of conventional equipment is because that adopted core technology is outmoded at present, and each equipment can only solve water-treated
Single-issue in journey.
The content of the invention
It is an object of the invention to provide central water treatment machine, is unable to centralized recovery profit to solve waste water in prior art
With except conventional pollution beyond the region of objective existence in waste water, the salt also containing a large amount of artificial additions, greening can not be used, and being discharged into underground can be tight
Heavily contaminated subsoil water；Constant pressure, periodical feeding cannot be accomplished, it is impossible to which the technology of effective control pipeline bacteria breed and secondary pollution is asked
Topic.
For solve above-mentioned technical problem, the present invention provide central water treatment machine, including：Filter element, ultrafiltration module, nanofiltration are anti-
Filtration module and aseptic clear water tanks；
The water side of the filter element is connected with the water inlet end of the ultrafiltration module, the first water side of the ultrafiltration module with
The water inlet end connection of the nanofiltration reverse osmosis module, the second water side of the ultrafiltration module is connected with waste water tank；
First water side of the nanofiltration reverse osmosis module is connected with the first water inlet end of the aseptic clear water tanks, described to receive
Second water side of filter reverse osmosis module is connected with the waste water tank；Water flow to waste water tank and can carry out utilizing.
First water side of the aseptic clear water tanks is connected with user side, the second water side of the aseptic clear water tanks and institute
State the second water inlet end connection of aseptic clear water tanks.
Second water side of aseptic clear water tanks and the aseptic clear water tanks described in the central water treatment machine that the present invention is provided
The connection of the second water inlet end can realize the effect of water circulation and sterilization, water is in aseptic clear water tanks and with recycle stream between water terminal
It is dynamic, effective control pipeline bacteria breed；There is simple structure, good for health and environmental protection.
Further, the 3rd water side of nanofiltration reverse osmosis module and the first of the ultrafiltration module of the aseptic clear water tanks
Water side connects.The 3rd water side of nanofiltration reverse osmosis module and the ultrafiltration group of aseptic clear water tanks described in nanofiltration reverse osmosis module
Ultrafiltration backwash valve is provided between first water side of part.
Further, arrange between the water inlet end of the first water side of the ultrafiltration module and the nanofiltration reverse osmosis module
There is booster pump.Pressure transducer before high-pressure solenoid valve and film is disposed with also.
In order to constant pressure water supply, further, the exit of the aseptic clear water tanks is provided with constant pressure water supply pump.Constant pressure
The water inlet of feed pump connects aseptic clear water tanks, connects feed pipe, and all water purification just flow to terminal water outlet after all first passing through sterilization
Point.
Further, ultraviolet ray disinfector is provided with the aseptic clear water tanks.Liquid level is provided with the aseptic clear water tanks
Sensor.All EXIT POINTs, are all provided with water return pipeline, and water return pipeline returns to aseptic clear water tanks, are followed by circulating electromagnetic valve control
Ring, by electric control system controls circulating electromagnetic valve opening time and number of times, reaches circulation and sterilizes.
Further, connect with automatic immersible pump on the waste water tank.All waste water, unification collect waste water tank, by certainly
Dynamic immersible pump is quantitatively discharged, for afforestation, because processing procedure is not added with any material (such as soft water salt), will not be to environment
Pollute, water resource is made full use of, environmental protection.Set between the water side of waste water tank and nanofiltration reverse osmosis module
Put and be disposed with pressure transducer, waste water stream gauge and nanofiltration flushing valve after film.It is provided between ultrafiltration module and waste water tank
The positive flushing valve of ultrafiltration.
Further, the filter element is cotton carbon cotton composite filter element, and after filter element filtering, 5 microns of impurity can be continued through, so
The ultrafiltration module for filtering that mesh number is 0.02 micron is entered afterwards.Nanofiltration reverse osmosis module is finally entered, from 90% nanofiltration of salt rejection rate
Film, the molecular weight that dams is in 150-500 dalton.
Further, the first water inlet end of the first water side of the nanofiltration reverse osmosis module and the aseptic clear water tanks it
Between be provided with net water flux meter.For control system provide operation and stop signal, transmit signals to using SIEMENS PLC as
Central electronic control.Central electronic control is connected with touch screen, and touch screen shows workflow and state, one-key start after setup parameter, behaviour
Make simple.
Present invention also offers a kind of water treatment system, including central water treatment machine as above, wherein, also including water
Source, the water source are connected with the water inlet end of the filter element.
When needing to produce in the central water treatment machine that the present invention is provided water running, by entering water electromagnetic valve, system boost pump and height
Pressure electromagnetic valve is connected；When needing to carry out nanofiltration flushing, water passes sequentially through entering water electromagnetic valve, system boost pump, high-pressure solenoid valve and receives
Filter flushing valve is left in waste water tank；Constant pressure water supply pump, ultrafiltration backwash valve and the positive flushing valve of ultrafiltration are connect when needing ultrafiltration to recoil
It is logical；When needing ultrafiltration square impact, entering water electromagnetic valve is connected with the positive flushing valve of ultrafiltration；Constant pressure water supply pump and circulating valve when needing water circulation
Connection.
Using above-mentioned technical proposal, the present invention has the advantages that：
Described in the central water treatment machine that the present invention is provided, the water side of filter element is connected with the water inlet end of the ultrafiltration module,
First water side of the ultrafiltration module is connected with the water inlet end of the nanofiltration reverse osmosis module, and the second of the ultrafiltration module goes out
Water end (W.E.) is connected with waste water tank；First water side of the nanofiltration reverse osmosis module is connected with the first water inlet end of the aseptic clear water tanks
Logical, the second water side of the nanofiltration reverse osmosis module is connected with the waste water tank；First water side of the aseptic clear water tanks
Connect with user side, the second water side of the aseptic clear water tanks is connected with the second water inlet end of the aseptic clear water tanks.This
Second water inlet end of the second water side of aseptic clear water tanks described in the central water treatment machine of bright offer and the aseptic clear water tanks
Connection can realize the effect of water circulation and sterilization, water in aseptic clear water tanks and with circulating between water terminal, effective control
Pipeline bacteria breed；There is simple structure, good for health and environmental protection.
Description of the drawings
In order to be illustrated more clearly that the specific embodiment of the invention or technical scheme of the prior art below will be to concrete
Needed for embodiment or description of the prior art, accompanying drawing to be used is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, can be with according to these other accompanying drawings of accompanying drawings acquisition.
Fig. 1 is the connection diagram of the central water treatment machine that the embodiment of the present invention one is provided；
Fig. 2 is the schematic diagram of the setting of valve in the central water treatment machine that the embodiment of the present invention one is provided；
Fig. 3 is the schematic diagram of valve and sensor setting in the central water treatment machine that the embodiment of the present invention one is provided；
The structural representation of the central water treatment machine that Fig. 4 is provided for one embodiment of the invention.
Reference：
1- entering water electromagnetic valves；2- high-pressure solenoid valve；3- ultrafiltration backwash valves；
The positive flushing valve of 4- ultrafiltration；5- nanofiltration flushing valves；6- circulating electromagnetic valves；
A1- low tension switches；Pressure transducer before A2- films；A3- conductivity sensors；
A4- net water flux meters；A5- liquid level sensors；A6- surcharge water levels are switched；
Pressure transducer after A7- films；A8- waste water stream gauge；B1- booster pumps；
B2- constant pressure water supply pump 11- filter elements；12- ultrafiltration modules；
13- nanofiltration reverse osmosis modules；The aseptic clear water tanks of 14-；15- waste water tanks.
Specific embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described enforcement
Example is a part of embodiment of the invention, rather than the embodiment of whole.Based on the embodiment in the present invention, ordinary skill
The every other embodiment obtained under the premise of creative work is not made by personnel, belongs to the scope of protection of the invention.
In describing the invention, it should be noted that term " " center ", " on ", D score, "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outward " be based on orientation shown in the drawings or position relationship, merely to
Be easy to description the present invention and simplify description, rather than indicate or imply indication device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.Additionally, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that indicating or implying relative importance.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Company ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can
Being to be mechanically connected, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
The connection diagram of the central water treatment machine that Fig. 1 is provided for one embodiment of the embodiment of the present invention, Fig. 2 are real for the present invention
The schematic diagram invention of the setting of valve in the central water treatment machine of one embodiment of example offer is applied, Fig. 3 is that the embodiment of the present invention one is real
The schematic diagram invention of valve and sensor setting in the central water treatment machine of example offer is applied, Fig. 4 is provided for one embodiment of the invention
Central water treatment machine structural representation invention.As shown in Figures 1 to 4, the central water treatment machine that the present invention is provided, including：
Filter element 11, ultrafiltration module 12, nanofiltration reverse osmosis module 13 and aseptic clear water tanks 14；
The water side of the filter element 11 is connected with the water inlet end of the ultrafiltration module 12, and the first of the ultrafiltration module 12 goes out
Water end (W.E.) is connected with the water inlet end of the nanofiltration reverse osmosis module 13, and the second water side and the waste water tank 15 of the ultrafiltration module 12 connect
It is logical；Water flow to waste water tank 15 and can carry out utilizing.
First water side of the nanofiltration reverse osmosis module 13 is connected with the first water inlet end of the aseptic clear water tanks 14, institute
The second water side for stating nanofiltration reverse osmosis module 13 is connected with the waste water tank 15；
First water side of the aseptic clear water tanks 14 is connected with user side, the second water side of the aseptic clear water tanks 14
Connect with the second water inlet end of the aseptic clear water tanks 14.
Second water side of aseptic clear water tanks 14 and the aseptic water purification described in the central water treatment machine that the present invention is provided
The second water inlet end connection of case 14 can realize the effect of water circulation and sterilization, and water is in aseptic clear water tanks 14 and between water terminal
Circulate, effective control pipeline bacteria breed；There is simple structure, good for health and environmental protection.
Further, the first water side nanofiltration of the 3rd water side of the aseptic clear water tanks 14 and the ultrafiltration module 12
Reverse osmosis module is connected.3rd water side of aseptic clear water tanks 14 described in nanofiltration reverse osmosis module and the nanofiltration reverse osmosis module
Ultrafiltration backwash valve 3 is provided between 13 water inlet end.
Further, between the water inlet end of the first water side of the ultrafiltration module 12 and the nanofiltration reverse osmosis module 13
It is provided with booster pump B1.Pressure transducer A2 before high-pressure solenoid valve 2 and film is disposed with also.
In order to constant pressure water supply, further, the exit of the aseptic clear water tanks 14 is provided with constant pressure water supply pump B2.
The water inlet of constant pressure water supply pump B2 connects aseptic clear water tanks 14, and the connection of constant pressure water supply pump B2 outlets uses water terminal, sterilizer to adopt
With with feed pump united opening, connect feed pipe, all water purification all first pass through sterilization after just flow to terminal EXIT POINT.
Further, ultraviolet ray disinfector is provided with the aseptic clear water tanks 14.It is provided with the aseptic clear water tanks 14
Liquid level sensor A5.All EXIT POINTs, are all provided with water return pipeline, and water return pipeline returns to aseptic clear water tanks 14, by circulation electromagnetism
The control circulation of valve 6, by 6 opening time of electric control system controls circulating electromagnetic valve and number of times, reaches circulation and sterilizes.It is described aseptic net
Surcharge water level switch A6 is provided with water tank 14, is to turn in water level superelevation.The water side of nanofiltration reverse osmosis module 13 is net with aseptic
Conductivity sensor A3 and net water flux meter A4 is disposed between water tank 14.
Further, connect with automatic immersible pump on the waste water tank 15.All waste water, unification collect waste water tank 15,
Quantitatively discharged by automatic immersible pump, for afforestation, because processing procedure is not added with any material (such as soft water salt), will not be right
Environment, makes full use of to water resource, environmental protection.In the water outlet of waste water tank 15 and nanofiltration reverse osmosis module 13
Arrange between end and be disposed with pressure transducer A7, waste water stream gauge A8 and nanofiltration flushing valve 5 after film.Ultrafiltration module 12 with it is useless
The positive flushing valve of ultrafiltration 4 is provided between water tank 15.
Further, the filter element 11 is cotton carbon cotton composite filter element 11, and after the filtration of filter element 11,5 microns of impurity can continue to lead to
Cross, subsequently into the ultrafiltration module 12 that filtration mesh number is 0.02 micron.Nanofiltration reverse osmosis module 13 is finally entered, from salt rejection rate
90% NF membrane, the molecular weight that dams is in 150-500 dalton.
Further, the first water side of the nanofiltration reverse osmosis module 13 intakes with the first of the aseptic clear water tanks 14
Net water flux meter A4 is provided between end.Operation and stop signal are provided for control system, is transmitted signals to and is adopted Siemens
PLC is as central electronic control.Central electronic control is connected with touch screen, and touch screen shows workflow and state, the latter key of setup parameter
Start, it is simple to operate.
Water source first passes through low tension switch A1, and low tension switch A1 is disconnected when anhydrous, plays power-off protection effect, and water enters filter
Core 11, removes bulky grain pollutant and part chlorine residue, abnormal flavour, heavy metal.Subsequently into ultrafiltration module 12, by electric control system controls
Ultrafiltration module 12 is just, anti-to clean, and controls wastewater flow by hand-operated valve, and ultrafiltration module 12 effectively goes float in eliminating water, antibacterial, disease
Poison.Into booster pump B1, nanofiltration reverse osmosis module 13 is entered after supercharging, by 13 square impact of electric control system controls nanofiltration reverse osmosis module
Wash, hand-operated valve control wastewater flow effectively removes colourity, heavy metal, nitrate, nitrite, and be dissolved in water other
Material, effectively reduces hardness, reaches high-quality and directly drinks standard.For example, raw water TDS400, water outlet quality just in TDS40 or so, by
Line conductivity meter real-time monitoring water outlet quality.Finally enter aseptic clear water tanks 14.
Present invention also offers a kind of water treatment system, including central water treatment machine as above, wherein, also including water
Source, the water source are connected with the water inlet end of the filter element 11.
The present invention provide central water treatment machine in need product water running when, by entering water electromagnetic valve 1, system boost pump B1 and
High-pressure solenoid valve 2 is connected；When needing to carry out nanofiltration flushing, water passes sequentially through entering water electromagnetic valve 1, system boost pump B1, high-voltage electromagnetic
Valve 2 and nanofiltration flushing valve 5 are left in waste water tank 15；
Constant pressure water supply pump B2, ultrafiltration backwash valve 3 and ultrafiltration positive flushing valve 4 is connected when needing ultrafiltration to recoil；Need super
The positive flushing valve of entering water electromagnetic valve 1 and ultrafiltration 4 during filter square impact is connected；When needing water circulation, constant pressure water supply pump B2 is connected with circulating valve.
In sum：The water side of filter element 11 and the ultrafiltration module 12 described in the central water treatment machine that the present invention is provided
Water inlet end connection, the first water side of the ultrafiltration module 12 connected with the water inlet end of the nanofiltration reverse osmosis module 13, institute
The second water side for stating ultrafiltration module 12 is connected with waste water tank 15；First water side of the nanofiltration reverse osmosis module 13 with it is described
The first water inlet end connection of aseptic clear water tanks 14, the second water side and the waste water tank 15 of the nanofiltration reverse osmosis module 13 connect
It is logical；First water side of the aseptic clear water tanks 14 is connected with user side, the second water side of the aseptic clear water tanks 14 and institute
State the second water inlet end connection of aseptic clear water tanks 14.The of aseptic clear water tanks 14 described in the central water treatment machine that the present invention is provided
Two water sides connect the effect that can realize water circulation and sterilization with the second water inlet end of the aseptic clear water tanks 14, and water is aseptic
Clear water tanks 14 and with circulating between water terminal, effective control pipeline bacteria breed；With simple structure, good for health and green
The advantages of colour circle is protected.
Finally it should be noted that：Various embodiments above only to illustrate technical scheme, rather than a limitation；To the greatest extent
Pipe has been described in detail to the present invention with reference to foregoing embodiments, it will be understood by those within the art that：Its according to
So the technical scheme described in foregoing embodiments can be modified, or which part or all technical characteristic are entered
Row equivalent；And these modifications or replacement, do not make the essence of appropriate technical solution depart from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. a kind of central water treatment machine, it is characterised in that include：Filter element, ultrafiltration module, nanofiltration reverse osmosis module and aseptic water purification
Case；
The water side of the filter element is connected with the water inlet end of the ultrafiltration module, the first water side of the ultrafiltration module with it is described
The water inlet end connection of nanofiltration reverse osmosis module, the second water side of the ultrafiltration module is connected with waste water tank；
First water side of the nanofiltration reverse osmosis module is connected with the first water inlet end of the aseptic clear water tanks, and the nanofiltration is anti-
Second water side of filtration module is connected with the waste water tank；
First water side of the aseptic clear water tanks is connected with user side, the second water side and the nothing of the aseptic clear water tanks
The second water inlet end connection of bacterium clear water tanks.
2. central water treatment machine according to claim 1, it is characterised in that：The nanofiltration reverse osmosiss group of the aseptic clear water tanks
The 3rd water side of part is connected with the first water side of the ultrafiltration module.
3. central water treatment machine according to claim 1, it is characterised in that：The exit of the aseptic clear water tanks is provided with
Constant pressure water supply pump.
4. central water treatment machine according to claim 1, it is characterised in that：Ultraviolet is provided with the aseptic clear water tanks
Disinfector.
5. central water treatment machine according to claim 1, it is characterised in that：First water side of the ultrafiltration module and institute
Booster pump is provided between the water inlet end for stating nanofiltration reverse osmosis module.
6. central water treatment machine according to claim 1, it is characterised in that：Level sensing is provided with the aseptic clear water tanks
Device.
7. central water treatment machine according to claim 6, it is characterised in that：Connect with automatic immersible pump on the waste water tank
It is logical.
8. central water treatment machine according to claim 1, it is characterised in that：The filter element is cotton carbon cotton composite filter element.
9. central water treatment machine according to claim 1, it is characterised in that：First water outlet of the nanofiltration reverse osmosis module
Net water flux meter is provided between end and the first water inlet end of the aseptic clear water tanks.
10. a kind of water treatment system, including the central water treatment machine as described in claim 1-9 any one, it is characterised in that
Also include water source, the water source is connected with the water inlet end of the filter element.
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| CN201710014396.9A CN106517620A (en) | 2017-01-09 | 2017-01-09 | Central water processing unit and water processing system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710014396.9A CN106517620A (en) | 2017-01-09 | 2017-01-09 | Central water processing unit and water processing system |
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| CN106517620A true CN106517620A (en) | 2017-03-22 |
Family
ID=58335266
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| CN201710014396.9A Pending CN106517620A (en) | 2017-01-09 | 2017-01-09 | Central water processing unit and water processing system |
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