CN114716081A - Single-stage reverse osmosis ultrapure water device and ultrapure water preparation process method - Google Patents
Single-stage reverse osmosis ultrapure water device and ultrapure water preparation process method Download PDFInfo
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- CN114716081A CN114716081A CN202210444932.XA CN202210444932A CN114716081A CN 114716081 A CN114716081 A CN 114716081A CN 202210444932 A CN202210444932 A CN 202210444932A CN 114716081 A CN114716081 A CN 114716081A
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- 238000001223 reverse osmosis Methods 0.000 title claims abstract description 38
- 239000012498 ultrapure water Substances 0.000 title claims abstract description 32
- 229910021642 ultra pure water Inorganic materials 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000002360 preparation method Methods 0.000 title claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 94
- 229910001868 water Inorganic materials 0.000 claims abstract description 93
- 238000000746 purification Methods 0.000 claims abstract description 55
- 239000012528 membrane Substances 0.000 claims abstract description 29
- 238000011001 backwashing Methods 0.000 claims abstract description 7
- 238000001914 filtration Methods 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 13
- 239000010865 sewage Substances 0.000 claims description 12
- 238000000108 ultra-filtration Methods 0.000 claims description 11
- 239000011347 resin Substances 0.000 claims description 10
- 229920005989 resin Polymers 0.000 claims description 10
- 238000004659 sterilization and disinfection Methods 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 239000004743 Polypropylene Substances 0.000 claims description 8
- 239000002131 composite material Substances 0.000 claims description 8
- 239000000835 fiber Substances 0.000 claims description 8
- 239000012535 impurity Substances 0.000 claims description 8
- 229920001155 polypropylene Polymers 0.000 claims description 8
- 235000013162 Cocos nucifera Nutrition 0.000 claims description 7
- 244000060011 Cocos nucifera Species 0.000 claims description 7
- 230000001954 sterilising effect Effects 0.000 claims description 6
- -1 polypropylene Polymers 0.000 claims description 5
- 229910001297 Zn alloy Inorganic materials 0.000 claims description 4
- TVZPLCNGKSPOJA-UHFFFAOYSA-N copper zinc Chemical compound [Cu].[Zn] TVZPLCNGKSPOJA-UHFFFAOYSA-N 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 229920000388 Polyphosphate Polymers 0.000 claims description 3
- 239000012510 hollow fiber Substances 0.000 claims description 3
- 238000001471 micro-filtration Methods 0.000 claims description 3
- 238000001728 nano-filtration Methods 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 3
- 239000001205 polyphosphate Substances 0.000 claims description 3
- 235000011176 polyphosphates Nutrition 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 2
- 229920002301 cellulose acetate Polymers 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 238000005352 clarification Methods 0.000 abstract description 2
- 238000005457 optimization Methods 0.000 abstract description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- 150000002500 ions Chemical class 0.000 description 6
- 239000008399 tap water Substances 0.000 description 5
- 235000020679 tap water Nutrition 0.000 description 5
- 239000002994 raw material Substances 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 3
- 235000013361 beverage Nutrition 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 235000013405 beer Nutrition 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000005342 ion exchange Methods 0.000 description 2
- 238000000053 physical method Methods 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 229940088594 vitamin Drugs 0.000 description 2
- 229930003231 vitamin Natural products 0.000 description 2
- 235000013343 vitamin Nutrition 0.000 description 2
- 239000011782 vitamin Substances 0.000 description 2
- 150000003722 vitamin derivatives Chemical class 0.000 description 2
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 239000010866 blackwater Substances 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000001963 growth medium Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical compound ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 239000003456 ion exchange resin Substances 0.000 description 1
- 229920003303 ion-exchange polymer Polymers 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000009630 liquid culture Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
Images
Classifications
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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/02—Combinations of filters of different kinds
-
- 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
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
-
- 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
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
- C02F2001/427—Treatment of water, waste water, or sewage by ion-exchange using mixed beds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/12—Halogens or halogen-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
- C02F2101/22—Chromium or chromium compounds, e.g. chromates
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/02—Non-contaminated water, e.g. for industrial water supply
- C02F2103/04—Non-contaminated water, e.g. for industrial water supply for obtaining ultra-pure water
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/20—Total organic carbon [TOC]
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/22—Eliminating or preventing deposits, scale removal, scale prevention
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a single-stage reverse osmosis ultrapure water purifier and an ultrapure water preparation process method, which comprises a raw water tank and is characterized in that: the raw water tank is a backwashing precision filter, the water outlet of the raw water tank is connected with a plurality of purification filter elements, the water outlet of each purification filter element is connected with reverse osmosis purification equipment, and the reverse osmosis purification equipment is connected with a pure water tank; the reverse osmosis purification equipment comprises a plurality of RO membrane pipes, a fine filter and a controller which are arranged in parallel, wherein the RO membrane pipes are mutually communicated and are connected with the fine filter through a pump body. Compared with the prior art, the invention has the advantages that: set up multistage water purification unit such as back flush precision filter, purification filter core, reverse osmosis clarification plant and pure water case, carry out edulcoration, purification to the water source for the water source reaches ultrapure water, is applicable to and drinks, and overall structure optimization, intelligent control, raise the efficiency, with low costs, the effect is better.
Description
Technical Field
The invention relates to the field of water purification equipment, in particular to a single-stage reverse osmosis ultrapure water purifier and an ultrapure water preparation process method.
Background
With the continuous improvement of living standard of people, more and more people begin to pay attention to water safety. At present, most users directly use tap water, but the tap water also contains a large amount of impurities, and the direct drinking of the tap water can possibly harm the health of people. It can be seen that how to purify tap water becomes a technical problem which needs to be solved urgently in the field.
Disclosure of Invention
The invention aims to solve the technical problems and provides a single-stage reverse osmosis ultrapure water purifier and an ultrapure water preparation process method.
In order to solve the technical problems, the technical scheme provided by the invention is as follows: the utility model provides a single-stage reverse osmosis ultrapure water ware, includes former water tank, its characterized in that: the raw water tank is a backwashing precision filter, the water outlet of the raw water tank is connected with a plurality of purification filter elements, the water outlet of each purification filter element is connected with reverse osmosis purification equipment, and the reverse osmosis purification equipment is connected with a pure water tank;
the reverse osmosis purification equipment comprises a plurality of RO membrane pipes, a fine filter and a controller which are arranged in parallel, wherein the RO membrane pipes are mutually communicated and are connected with the fine filter through a pump body.
Furthermore, the raw water tank is made of stainless steel materials, and a food-grade compound phosphate filter element and a filtering membrane are arranged inside the raw water tank.
Furthermore, the purification filter element sequentially comprises a PPF fiber filter element, a KDF composite filter element, a softening functional filter element and a UF ultrafiltration depth treatment filter element.
Furthermore, a pump body is arranged between the raw water tank and the purification filter element.
Furthermore, the bottom of the raw water tank, the bottom of the purification filter element, the bottom of the reverse osmosis purification equipment and the bottom of the pure water tank are all provided with sewage pipes, and the bottoms of the sewage pipes are connected with a sewage processor.
Furthermore, one end of the pure water tank is connected with a sterilization and disinfection device.
A preparation process method of ultrapure water comprises the following steps:
s1: pretreatment of
The method comprises the following steps of (1) pretreating a water source by using a raw water tank 1, wherein the raw water tank 1 is a backwashing precision filter and is used for filtering impurities in the water source and preventing scale from being removed;
s2: a plurality of purification filter elements are used for filtering
The filter comprises a PPF fiber filter element, a KDF composite filter element, a softening functional filter element and a UF ultrafiltration depth treatment filter element in sequence, wherein the filter element filtering precision of the PPF fiber filter element is 5 mu m, the KDF composite filter element is filled with a high-purity copper-zinc alloy and coconut shell activated carbon filter material, the softening functional filter element is filled with a laite resin, and the UF ultrafiltration depth treatment filter element is filled with a polypropylene (PP) hollow fiber membrane type ultrafiltration membrane;
s3: filtering again by reverse osmosis purification equipment
Arranging a plurality of RO membrane tubes, wherein the pore diameter of the RO membrane is as small as a nanometer (10-9 meters for 1 nanometer);
s4: purification and ultra-purification system
A purifying column and an ultra-purifying column are arranged in the pure water tank, UP6150 adopted by the purifying column is mixed bed resin, and the ultra-purifying column is polishing resin special for the Town UPW-450 ultra-pure water;
s5: ultraviolet sterilization device
A dual-wavelength ultraviolet sterilization device is adopted, and the effective UV wavelength is UV-185/254 nm;
s6: NF nanofiltration device
Cut-off molecular weight 5000 DaIton.
S7: 0.2 micron terminal microfiltration device
And (5) a vitamin membrane.
Compared with the prior art, the invention has the advantages that: set up multistage water purification unit such as back flush precision filter, purification filter core, reverse osmosis clarification plant and pure water case, carry out edulcoration, purification to the water source for the water source reaches ultrapure water, is applicable to and drinks, and overall structure optimization, intelligent control, raise the efficiency, with low costs, the effect is better.
Drawings
FIG. 1 is a schematic diagram of a single-stage reverse osmosis ultrapure water purifier according to the present invention.
As shown in the figure: 1. a water tank; 2. a purifying filter element; 3. reverse osmosis purification equipment; 4. a pure water tank; 5. a sewage pipe; 6. a sewage treatment device; 301. an RO membrane tube; 302. a fine filter; 303. a controller; 304. and a pump body.
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, e.g. as a fixed connection, a detachable connection, or an integral connection; the specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The working principle of the invention is as follows: a single-stage reverse osmosis super water purifier comprises a raw water tank 1, wherein the raw water tank 1 is a reverse osmosis precision filter, the water outlet of the raw water tank 1 is connected with a plurality of purification filter elements 2, the water outlet of each purification filter element 2 is connected with a reverse osmosis purification device 3, and the reverse osmosis purification device 3 is connected with a pure water tank 4;
the reverse osmosis purification device 3 comprises a plurality of RO membrane pipes 301, a fine filter 302 and a controller 303 which are arranged in parallel, wherein the RO membrane pipes 301 are communicated with each other and are connected with the fine filter 302 through a pump body 304.
The raw water tank 1 is made of stainless steel materials, and a food-grade polyphosphate filter element and a filtering membrane are arranged inside the raw water tank.
The purifying filter element 2 is sequentially a PPF fiber filter element, a KDF composite filter element, a softening functional filter element and a UF ultrafiltration depth treatment filter element.
And a pump body is arranged between the raw water tank 1 and the purification filter element 2.
The bottom of the raw water tank 1, the purification filter element 2, the reverse osmosis purification equipment 3 and the pure water tank 4 are all provided with a sewage pipe 5, and the bottom of the sewage pipe 5 is connected with a sewage processor 6.
One end of the pure water tank 4 is connected with a sterilization and disinfection device.
The working principle is as follows:
a first stage: the raw water tank 1 is used for pretreating a water source, the raw water tank 1 is a backwashing precision filter, particulate impurities in water are filtered, the particulate impurities are killer of problems of red water, black water, yellow water, scale and the like, food-grade polyphosphate (selected), scale is effectively prevented, rusted metal pipelines are repaired, and the scale in a water container is removed; the silver-loaded stainless steel high-density, high-precision and high-strength filtering membrane can be permanently used without replacement, so that the material cost is saved; the back washing is simple and easy to implement, no tool is needed, the bottom valve is opened, the trapped impurities are washed out, and the system operation is not influenced;
and a second stage: a plurality of purification cartridges 2
PPF fiber filter element: the filtration precision of the PP (polypropylene) filter element reaches 5 mu m. Can effectively filter silt in the source. Particulate impurities such as rust and algae;
KDF composite filter element: the high-purity copper-zinc alloy and coconut shell activated carbon filter material are filled in the water, the high-purity copper-zinc alloy mainly removes more than 95 percent of residual chlorine (residual chlorine and hypochlorous acid products and the like which are disinfected by adding chlorine in tap water) in water, more than 90 percent of heavy metal ions such as lead, mercury, copper, nickel, cadmium and the like in the water, removes harmful substances such as hexavalent chromium, arsenic and the like in the water, inhibits the breeding of bacteria and fungi and has certain scale inhibition effect; the coconut shell active carbon filter material is prepared by selecting imported coconut shells as raw materials and refining the raw materials by a physical method. The material has the characteristics of good wear resistance, high adsorption performance, long service life and the like, has excellent efficiency for manufacturing pure water and high-purity water, and is an ideal material for thermoelectric equipment, beer equipment, beverage equipment and high-purity water equipment;
a third pole: the coconut shell active carbon filter material is prepared by selecting imported coconut shells as raw materials and refining the raw materials by a physical method. The material has the characteristics of good wear resistance, high adsorption performance, long service life and the like, has excellent efficacy on the manufacture of purified water and high-purity water, and is an ideal material for thermoelectric equipment, beer equipment, beverage equipment and high-purity water equipment; UF ultrafiltration depth treatment filter element; the polypropylene (PP) hollow fiber membrane type ultrafiltration membrane mainly removes organic matters in source water, can protect reverse osmosis and has good effect of reducing TOC;
fourth stage: reverse osmosis purification device 3
The RO membrane has the removal rate of more than 99 percent for high-valence ions, colloidal bacteria and organic matters (including a heat source) with the molecular weight of more than 300Dalton, and has the removal rate of 96 to 99 percent for low-valence ions (NA, K0, when the conductivity of source water is less than 350 mu s/cm, the conductivity of RO pure water is generally less than or equal to 5 mu s/cm., and the RO membrane meets the national three-level water standard of real rooms, the reverse osmosis method is the most economical method for achieving the removal rate of 90 to 95 percent of impurities, and is the best pretreatment method of an ultrapure water system;
and a fifth stage: pure water tank 4
The water purification box is internally provided with a purification column, an ultra-purification column, a purification column and an ultra-purification column: the ion exchange resin is used for filtering cations in the inlet water by utilizing H + exchange, the anion in the inlet water is filtered by utilizing OH-exchange, H + and OH-displaced in the resin are combined to generate H2O, UP6150 adopted by a purification column is mixed bed resin, a Tao's UPW-450 ultra-pure water special polishing resin is adopted by an ultra-pure column, and the water production resistivity can reach 18.2M omega. Ion exchange is a conventional, well-established desalination plant. Due to different equipment structures and technologies, the equipment can prepare desalted water, pure water, high-purity water and ultrapure water. The method is widely applied to various industries such as electronics, machinery, chemical engineering, ships, food, beverage, medicine and the like. According to the source water quality and the water use standard of users, various beds can be combined in various ways to reach the water use quality standard of users. The control system can be divided into an automatic control system and a manual control system. The principle of ion exchange is that under a certain condition, the functions of softening, alkali removal, salt removal and the like are achieved by the mutual exchange of certain ions of an ion exchanger (resin) and the ions with the same electric property in water to be treated;
a sixth stage: sterilization and disinfection equipment
The ultraviolet sterilization device and the dual-wavelength ultraviolet sterilization device have the UV effective wavelength of UV-185/254nm and the service life of 9000 hours;
and a seventh stage: filtration
The NF nanofiltration device has the molecular weight of 5000DaIton cutoff and the service life of 2 to 3 years.
A 0.2 micron terminal microfiltration device, and inimarr N is used for degerming, filtering, removing particles, pre-filtering, clarifying and filtering of a liquid culture medium.
The vitamin membrane does not contain a surfactant, and has extremely low adsorption on protein. Eight exhaust holes with PTFE membranes are designed at the upper end of the filter, so the filtering speed is very high. Can be sterilized at high temperature and high pressure of 121 ℃, and can effectively filter bacteria in the pipeline.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. The utility model provides a single-stage reverse osmosis ultrapure water ware, includes former water tank (1), its characterized in that: the raw water tank (1) is a backwashing precision filter, the water outlet of the raw water tank (1) is connected with a plurality of purification filter elements (2), the water outlet of each purification filter element (2) is connected with reverse osmosis purification equipment (3), and the reverse osmosis purification equipment (3) is connected with a pure water tank (4);
the reverse osmosis purification equipment (3) comprises a plurality of RO membrane pipes (301), a fine filter (302) and a controller (303), wherein the RO membrane pipes (301) are arranged in parallel, communicated with each other and connected with the fine filter (302) through a pump body (304).
2. The single-stage reverse osmosis ultrapure water purifier of claim 1 wherein: the raw water tank (1) is made of stainless steel materials, and a food-grade polyphosphate filter element and a filtering membrane are arranged inside the raw water tank.
3. The single-stage reverse osmosis ultrapure water purifier of claim 1 wherein: the purification filter element (2) is sequentially a PPF fiber filter element, a KDF composite filter element, a softening functional filter element and a UF ultrafiltration depth treatment filter element.
4. The single-stage reverse osmosis ultrapure water purifier of claim 1 wherein: a pump body is arranged between the raw water tank (1) and the purification filter element (2).
5. The single-stage reverse osmosis ultrapure water purifier of claim 1 wherein: the sewage treatment system is characterized in that sewage pipes (5) are arranged at the bottoms of the raw water tank (1), the purification filter element (2), the reverse osmosis purification equipment (3) and the pure water tank (4), and the bottom of each sewage pipe (5) is connected with a sewage treatment device (6).
6. The single-stage reverse osmosis ultrapure water purifier of claim 1 wherein: one end of the pure water tank (4) is connected with a sterilization and disinfection device.
7. A preparation process method of ultrapure water is characterized by comprising the following steps: the method comprises the following steps:
s1: pretreatment of
The method comprises the following steps of (1) pretreating a water source by using a raw water tank 1, wherein the raw water tank 1 is a backwashing precision filter and is used for filtering impurities in the water source and preventing scale from being removed;
s2: a plurality of purification filter elements are used for filtering
The filter comprises a PPF fiber filter element, a KDF composite filter element, a softening functional filter element and a UF ultrafiltration depth treatment filter element in sequence, wherein the filter element filtering precision of the PPF fiber filter element is 5 mu m, the KDF composite filter element is filled with a high-purity copper-zinc alloy and coconut shell activated carbon filter material, the softening functional filter element is filled with a laite resin, and the UF ultrafiltration depth treatment filter element is filled with a polypropylene (PP) hollow fiber membrane type ultrafiltration membrane;
s3: filtering again by reverse osmosis purification equipment
A plurality of RO membrane tubes are arranged, and the pore diameter of the RO membrane is as small as nanometer (1 nanometer is 10 nanometers)-9Rice);
s4: purification and ultra-purification system
A purifying column and an ultra-purifying column are arranged in the pure water tank, UP6150 adopted by the purifying column is mixed bed resin, and the ultra-purifying column is polishing resin special for the Town UPW-450 ultra-pure water;
s5: ultraviolet sterilization device
A dual-wavelength ultraviolet sterilization device is adopted, and the effective UV wavelength is UV-185/254 nm;
s6: NF nanofiltration device
Cut-off molecular weight 5000 DaIton.
S7: 0.2 micron terminal microfiltration device
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210444932.XA CN114716081A (en) | 2022-04-26 | 2022-04-26 | Single-stage reverse osmosis ultrapure water device and ultrapure water preparation process method |
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| CN202210444932.XA CN114716081A (en) | 2022-04-26 | 2022-04-26 | Single-stage reverse osmosis ultrapure water device and ultrapure water preparation process method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119472559A (en) * | 2025-01-06 | 2025-02-18 | 莱特莱德(上海)技术有限公司 | Multi-level collaborative optimization control method for ultrapure water production |
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| US6416668B1 (en) * | 1999-09-01 | 2002-07-09 | Riad A. Al-Samadi | Water treatment process for membranes |
| CN1408653A (en) * | 2002-09-24 | 2003-04-09 | 天津大学 | Producing process and technology for electronic grade water by intergrated film process |
| CN213475664U (en) * | 2020-09-23 | 2021-06-18 | 四川优普越纯科技有限公司 | Laboratory ultrapure water purifier |
| CN218951165U (en) * | 2022-04-26 | 2023-05-02 | 成都优研普科技有限公司 | Single-stage reverse osmosis ultra-pure water device |
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| US6416668B1 (en) * | 1999-09-01 | 2002-07-09 | Riad A. Al-Samadi | Water treatment process for membranes |
| CN1408653A (en) * | 2002-09-24 | 2003-04-09 | 天津大学 | Producing process and technology for electronic grade water by intergrated film process |
| CN213475664U (en) * | 2020-09-23 | 2021-06-18 | 四川优普越纯科技有限公司 | Laboratory ultrapure water purifier |
| CN218951165U (en) * | 2022-04-26 | 2023-05-02 | 成都优研普科技有限公司 | Single-stage reverse osmosis ultra-pure water device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN119472559A (en) * | 2025-01-06 | 2025-02-18 | 莱特莱德(上海)技术有限公司 | Multi-level collaborative optimization control method for ultrapure water production |
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