CN208265935U - A kind of high-purity water treatment system of space flight - Google Patents
A kind of high-purity water treatment system of space flight Download PDFInfo
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- CN208265935U CN208265935U CN201820528743.XU CN201820528743U CN208265935U CN 208265935 U CN208265935 U CN 208265935U CN 201820528743 U CN201820528743 U CN 201820528743U CN 208265935 U CN208265935 U CN 208265935U
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- 239000012498 ultrapure water Substances 0.000 title claims abstract description 31
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- 238000001223 reverse osmosis Methods 0.000 claims abstract description 55
- 238000012545 processing Methods 0.000 claims abstract description 53
- 238000005498 polishing Methods 0.000 claims abstract description 31
- 230000001954 sterilising effect Effects 0.000 claims abstract description 25
- 238000000108 ultra-filtration Methods 0.000 claims description 32
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- 241000894006 Bacteria Species 0.000 claims description 5
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- 239000000463 material Substances 0.000 claims description 3
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- 238000006731 degradation reaction Methods 0.000 abstract description 4
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- 239000001569 carbon dioxide Substances 0.000 description 3
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
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- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
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- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
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- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
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- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model provides a kind of high-purity water treatment system of space flight comprising raw water box；Pretreatment unit is connected to by raw water pump with the raw water box；Reverse osmosis treatment device is connected to the pretreatment unit by the first high-pressure pump；The pure water tank is connected to the outlet pipeline of the reverse osmosis treatment device；The EDI processing unit is connected with the pure water tank；The nitrogen-sealed water tank is connected to the outlet pipeline of the EDI processing unit；The TOC Degradator is connected with the nitrogen-sealed water tank by the first booster pump；The TOC Degradator is connected with the polishing mixed bed；And the sterilizing unit is connected with the polishing mixed bed.The high-purity water treatment system of the space flight of the utility model uses pretreatment+reverse osmosis+EDI+TOC degradation+ion exchange+sterilization treatment process, guarantees that its water outlet can meet the requirement of space flight water especially space flight water for cleaning by multiple treatment process.
Description
Technical field
The utility model relates to water treatment field more particularly to a kind of high-purity water treatment systems of space flight for cleaning.
Background technique
High purity water refers to by the conducting medium almost all removal in water, and by the colloidal substance not dissociated in water, gas
It removes with organic matter to the water of very low degree.The salt content of general high purity water is in 0. 3mg/L hereinafter, conductivity is less than 0.2 μ
s/cm.And due to the particularity of space flight and aviation equipment, it is desirable that institute's water processing system producing water water quality is reaching existing national highest
On the basis of I grade standard of standard --- electronic grade water, it is necessary to meet advanced equipments of high grade and precision production in particle, total organic carbon index more
High request.
But current Pure water treatment equipment is extremely difficult to the requirement of space flight high purity water.
Utility model content
In view of the above technical problems, the purpose of the utility model is to provide a kind of new to meet space flight with high-purity water quality standard
Water treatment system.
The technical solution of the utility model is as follows:
A kind of high-purity water treatment system of space flight comprising
Raw water box；
Pretreatment unit；The pretreatment unit is connected to by raw water pump with the raw water box；
Reverse osmosis treatment device；The reverse osmosis treatment device is connected to the pretreatment unit by the first high-pressure pump；
Pure water tank, the pure water tank are connected to the outlet pipeline of the reverse osmosis treatment device；
EDI processing unit, the EDI processing unit are connected with the pure water tank；
Nitrogen-sealed water tank, the nitrogen-sealed water tank are connected to the outlet pipeline of the EDI processing unit；
TOC Degradator, the TOC Degradator are connected with the nitrogen-sealed water tank by the first booster pump；
Polishing mixed bed, the TOC Degradator are connected with the polishing mixed bed；And
Sterilizing unit, the sterilizing unit are connected with the polishing mixed bed；
Raw water in raw water box enters reverse osmosis treatment device after pretreatment unit is handled, and fills by reverse osmosis treatment
The reverse osmosis water outlet for setting processing enters after pure water tank enter the processing of EDI processing unit after enter nitrogen-sealed water tank；In nitrogen-sealed water tank
Water successively obtains the space flight high purity water after the processing of TOC Degradator, polishing mixed bed and sterilizing unit.
Wherein, the pretreatment unit includes interconnected ultrafiltration apparatus and ultrafiltration water producing tank, the raw water box and institute
It states ultrafiltration apparatus to be connected to by raw water pump, the ultrafiltration water producing tank and the reverse osmosis treatment device are connected by the first high-pressure pump
It is logical.
Wherein, the pretreatment unit further includes accurate filter, accurate filter setting the raw water box with
Between the ultrafiltration apparatus and/or between the ultrafiltration water producing tank and the reverse osmosis unit.
Wherein, it is connected between the ultrafiltration water producing tank and the accurate filter by the second booster pump, the precision
It is connected between filter and the reverse osmosis treatment device by first high-pressure pump.
Wherein, the reverse osmosis treatment device includes first-stage reverse osmosis device and second level reverse osmosis apparatus, the pure water tank
Including level-one pure water tank and second level pure water tank；Successively pass through at first-stage reverse osmosis device by the water that the pretreatment unit is handled
Enter level-one pure water tank after reason, the water in level-one pure water tank enters second level pure water after entering the processing of two-pass reverse osmosis processing unit
Case, the second level pure water tank are connected with the EDI processing unit.
Wherein, degasser, the degasser packet are additionally provided between the pure water tank and the EDI processing unit
Degassing membrane stack and vacuum pump interconnected are included, after the water in the pure water tank enters degassing membrane stack processing by the second booster pump
Into EDI processing unit.
Wherein, the polishing mixed bed includes the first polishing mixed bed and the second polishing mixed bed being connected in series, in nitrogen-sealed water tank
Water successively enter described kill after first polishing mixed bed and second polishing mixed bed after the processing of TOC Degradator
Bacterium device.
Wherein, the sterilizing unit is ultraviolet sterilization device.
Wherein, the material of the connecting line after the nitrogen-sealed water tank is PVDF.
Wherein, micron membrane filter is additionally provided with after the sterilizing unit
The beneficial effects of the utility model are:
(1) the high-purity water treatment system of the space flight of the utility model use pretreatment+reverse osmosis+EDI+TOC degradation+from
It is clear to guarantee that its water outlet can meet the especially space flight of space flight water by multiple treatment process for the treatment process of sub- exchange+sterilization
The requirement of scouring water；
(2) space flight of the utility model uses nitrogen-sealed water tank with high-purity water treatment system to store to handle by EDI and fill
Water outlet of setting that treated, EDI can be discharged and completely cut off completely with air to prevent the entrance of the gases such as the carbon dioxide in air
In EDI water outlet.
Detailed description of the invention
Fig. 1 is the overall schematic of the high-purity water treatment system of space flight of the utility model；
Fig. 2 is the overall schematic of another embodiment of the high-purity water treatment system of space flight of the utility model.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with specific attached drawing and
Specific embodiment, the present invention will be further described in detail.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.
Referring to Fig. 1 and Fig. 2, the utility model provides a kind of high-purity water treatment system of space flight comprising raw water box
100, pretreatment unit 200, reverse osmosis treatment device 300, pure water tank 400, EDI processing unit 500, nitrogen-sealed water tank 600, TOC
Degradator 700, polishing mixed bed 800 and sterilizing unit 900.
Wherein the pretreatment unit 200 is connected to by raw water pump 101 with the raw water box 100；The reverse osmosis treatment
Device 300 is connected to the pretreatment unit 200 by the first high-pressure pump 102；The pure water tank 400 and the reverse osmosis treatment
The outlet pipeline of device 300 is connected to, and pure water tank 400 is for storing by reverse osmosis treatment device treated reverse osmosis water outlet.
The EDI processing unit 500 is connected with the pure water tank 400；EDI (Electrodeionization) is also known as
Continuous electric desalination technology, it combines electrodialytic technique and ion exchange technique together, by positive and negative ionic membrane to positive and negative from
The selection of son through effect and ion exchange resin to the exchange interaction of water intermediate ion, realized under the action of electric field in water from
The directional migration of son, thus the hydrogen ion and hydroxide ion pair that reach the deep purifying desalination of water, and generated by water electrolysis
Loaded resin carries out cyclic regeneration.
The nitrogen-sealed water tank 600 is connected to the outlet pipeline of the EDI processing unit 500, and nitrogen-sealed water tank 600 is for storing
By treated the EDI water outlet of EDI processing unit.Nitrogen-sealed water tank is used in the present embodiment, nitrogen-sealed water tank uses nitrogen by water tank
In EDI water outlet with air exclusion prevent the gases such as the carbon dioxide in air enter EDI water outlet in.
The TOC Degradator 700 is connected with the nitrogen-sealed water tank 600 by the first booster pump 103.In nitrogen-sealed water tank
EDI water outlet enters in TOC Degradator after being pressurized by booster pump.In the preparation process of high purity water, TOC(total organic carbon) contain
Measure it is extremely important, the present embodiment using TOC Degradator in water organic matter carry out oxidative degradation come guarantee water outlet it is total organic
Carbon content reduces extremely low.
The TOC Degradator 700 is connected with the polishing mixed bed 800；By TOC Degradator treated degradation water outlet
It is to guarantee that the resistivity of water outlet meets related request using polishing mixed bed into polishing mixed bed.
The sterilizing unit 900 is connected with the polishing mixed bed 800.It is micro- in water removal in order to go that sterilizing unit, which is arranged,
Biology also guarantees that water outlet meets related request.
Raw water in raw water box enters reverse osmosis treatment device after pretreatment unit is handled, and fills by reverse osmosis treatment
The reverse osmosis water outlet for setting processing enters after pure water tank enter the processing of EDI processing unit after enter nitrogen-sealed water tank；In nitrogen-sealed water tank
Water successively obtains the space flight high purity water after the processing of TOC Degradator, polishing mixed bed and sterilizing unit.
Raw water in the present embodiment is successively by pretreatment, reverse osmosis treatment, EDI processing (deionization processing), TOC degradation
It is discharged after processing, ion-exchange treatment and sterilization processing, guarantees finally going out for the system by the setting of multiple process
Water comply fully with space flight high purity water with water requirement.According to experiment, using the space flight high purity water processing system of the utility model
The water quality for the water outlet that system obtains are as follows: it is 0.5g/L that resistivity, which is greater than 18 megaohms of nitrate ion contents, and phosphate anion content is
0.9 μ g/L, sulfate ion content are 0.8 μ g/L, TOC content less than 20 μ g/L, and silicon ion content is less than 2 μ g/L, copper ion
Content is less than 0.2 μ g/L, and for zinc ion content less than 0.2 μ g/L, nickel ion content is lower than 0.1 μ g/L, and sodium ions content is lower than 0.5
μ g/L, potassium content are lower than 0.5 μ g/L, and chloride ion content is lower than 0.8 μ g/L；Greater than 1 μm particle number is less than 0.1/ml.
Preferably, as an embodiment, referring to fig. 2, the pretreatment unit 200 includes interconnected ultrafiltration
Device 210 and ultrafiltration water producing tank 220, the raw water box 100 are connected to the ultrafiltration apparatus 210 by raw water pump 101, described super
Filter water producing tank 220 is connected to the reverse osmosis treatment device 300 by the first high-pressure pump 102.Ultrafiltration is using doughnut mistake
New technology is filtered, cooperation three-level pretreatment filtration removes originally impurities in water；Ultrafiltration micropore can thoroughly filter out water less than 0.01 micron
In the harmful substances such as bacterium, iron rust, colloid, retain original microelement and minerals in water.The present embodiment uses ultrafiltration
Device is as pretreatment unit, it is therefore an objective to remove suspended matter and the colloid etc. in water removal greater than 0.01 micron.
Further, the pretreatment unit 200 further includes accurate filter, and the accurate filter setting is described super
It filters between water producing tank and the reverse osmosis unit；The raw water successively enters institute after ultrafiltration apparatus and accurate filter processing
State reverse osmosis treatment device.That is, the present embodiment can be there are three types of embodiment: the first, in the leading portion of ultrafiltration apparatus
(before water inlet end) setting accurate filter extends ultrafiltration membrane lifetime the purpose is to remove large particulate matter to protect ultrafiltration membrane；
Second, ultrafiltration apparatus back segment (after water outlet) i.e. ultrafiltration water producing tank after accurate filter is set, the purpose is into
One step removes the non-solubility impurity in water removal, to mitigate the processing pressure of subsequent processing unit；The third, in ultrafiltration apparatus
The advantages of back segment of leading portion and ultrafiltration water tank is respectively provided with accurate filter, and this embodiment has both above two scheme.Specifically
, referring to Fig. 1, the leading portion of ultrafiltration apparatus 210 is provided with the first accurate filter 230, is set in the back segment of ultrafiltration water producing tank 220
It is equipped with the second accurate filter 240.Treatment effect not only can be improved in setting in this way, but also can extend ultrafiltration apparatus and reverse osmosis place
Manage the service life of device.
Further, referring to fig. 2, pass through the second pressurization between the ultrafiltration water producing tank 220 and the second accurate filter 240
Pump 104 is connected, and passes through first high pressure between second accurate filter 240 and the reverse osmosis treatment device 300
102 connection of pump.
Preferably, referring to fig. 2, the reverse osmosis treatment device 300 includes first-stage reverse osmosis device 310 and two-pass reverse osmosis
Device 320, the pure water tank 400 include level-one pure water tank 410 and second level pure water tank 420；At the pretreatment unit 200
The water of reason successively enters level-one pure water tank 410 after the processing of first-stage reverse osmosis device 310, the water in level-one pure water tank 410 into
Enter and enter second level pure water tank 420 after two-pass reverse osmosis processing unit 320 is handled, the second level pure water tank 420 and EDI is handled
Device 500 is connected.The present embodiment uses two-pass reverse osmosis processing unit and meets space flight water also for guarantee water outlet
It needs.Further, the second high-pressure pump 106 can also be set between level-one pure water tank and second level reverse osmosis apparatus.More preferably,
PH regulating device 001 can also be set between level-one pure water tank and second level reverse osmosis apparatus.
Preferably, as an embodiment, referring to fig. 2, pure water tank (be used in conjunction if it is second level reverse osmosis apparatus,
Then pure water tank herein is second level pure water tank 420) and the EDI processing unit 500 between be additionally provided with degasser, it is described de-
Device of air includes degassing membrane stack 1010 and vacuum pump 1020 interconnected, and the water in the pure water tank passes through third booster pump
105 enter after degassing membrane stack 1010 is handled into EDI processing unit 500.Degassing film is provided with a large amount of doughnut, fiber
There is small hole on wall, hydrone cannot be by this aperture, and gas molecule can pass through.When work, water flow is certain
Pressure under pass through inside doughnut, and the outside of doughnut under the action of gas constantly taken away, and shape
At certain negative pressure, the gas in such water just overflows constantly from water through doughnut outward, to reach gas in water removal
The purpose of body can expand the area of gas-liquid interface equipped with a large amount of doughnut in degassing film, so that degassing rate be made to accelerate.
The degassing efficiency of degasser in the present embodiment may be up to 99.99%, and water outlet carbon dioxide and oxygen concentration is smaller than 1ppb.
The second booster pump main function being arranged before degasser is to provide the operating pressure of degassing film, guarantees that degassing film is normally transported
Row.
Preferably, as an embodiment, referring to fig. 2, the polishing mixed bed 800 includes that first be connected in series throws
Light mixed bed 810 and the second polishing mixed bed 820, the water in nitrogen-sealed water tank 600 successively pass through institute after the processing of TOC Degradator 700
Enter the sterilizing unit 900 after stating the first polishing mixed bed 810 and second polishing mixed bed 820.First throws in the present embodiment
Light mixed bed 810 and second polishing mixed bed are arranged in series the purpose is to propose the resistivity of high yield water, through testing in the present embodiment
Production water resistivity be 18.25 megaohms.
Preferably, as an embodiment, referring to fig. 2, the sterilizing unit 900 is ultraviolet sterilization device.It is ultraviolet
Lamp radiates the powerful ultraviolet energy that wavelength is 253.7 nanometers, and microorganism once absorbs ultraviolet luminous energy, the something lost of life mechanism
Part is passed just to be contained.The present embodiment, which sterilizes water outlet using ultraviolet sterilization device, can guarantee that water outlet meets space flight water
It is required that.
Further, it should be noted that the material of the connecting line after the nitrogen-sealed water tank 600 is PVDF.By
There are the performances such as good chemical stability, cleanliness, smoothness in PVDF pipeline, therefore set nitrogen-sealed water tank in the present embodiment
Pipeline later must be managed using PVDF.Other pipelines before nitrogen-sealed water tank can use common pvc pipe, be arranged in this way
Economical rationality, and guarantee that water outlet is met the requirements.
Further, referring to fig. 2, micron membrane filter 1100 is additionally provided with after the sterilizing unit 900.Micron is arranged to filter
Device is the bacterium corpse in order to filter ultraviolet sterilization apparatus killing, it is avoided to pollute water quality.In the present embodiment using
0.22 micron membrane filter.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the protection scope of the utility model.Therefore, the protection scope of the utility model patent should be subject to the claims.
Claims (10)
1. a kind of high-purity water treatment system of space flight, which is characterized in that including
Raw water box；
Pretreatment unit；The pretreatment unit is connected to by raw water pump with the raw water box；
Reverse osmosis treatment device；The reverse osmosis treatment device is connected to the pretreatment unit by the first high-pressure pump；
Pure water tank, the pure water tank are connected to the outlet pipeline of the reverse osmosis treatment device；
EDI processing unit, the EDI processing unit are connected with the pure water tank；
Nitrogen-sealed water tank, the nitrogen-sealed water tank are connected to the outlet pipeline of the EDI processing unit；
TOC Degradator, the TOC Degradator are connected with the nitrogen-sealed water tank by the first booster pump；
Polishing mixed bed, the TOC Degradator are connected with the polishing mixed bed；And
Sterilizing unit, the sterilizing unit are connected with the polishing mixed bed；
Raw water in raw water box enters reverse osmosis treatment device after pretreatment unit is handled, at reverse osmosis treatment device
The reverse osmosis water outlet of reason enters after EDI processing unit is handled after entering pure water tank into nitrogen-sealed water tank；Water in nitrogen-sealed water tank according to
It is secondary to obtain the space flight high purity water after the processing of TOC Degradator, polishing mixed bed and sterilizing unit.
2. the high-purity water treatment system of space flight according to claim 1, which is characterized in that the pretreatment unit includes phase
Intercommunicated ultrafiltration apparatus and ultrafiltration water producing tank, the raw water box are connected to the ultrafiltration apparatus by raw water pump, the ultrafiltration
Water producing tank is connected to the reverse osmosis treatment device by the first high-pressure pump.
3. the high-purity water treatment system of space flight according to claim 2, which is characterized in that the pretreatment unit further includes
Accurate filter, the accurate filter is arranged between the raw water box and the ultrafiltration apparatus and/or the ultrafiltration produces water
Between case and the reverse osmosis unit.
4. the high-purity water treatment system of space flight according to claim 3, which is characterized in that the ultrafiltration water producing tank with it is described
It is connected between accurate filter by the second booster pump, is passed through between the accurate filter and the reverse osmosis treatment device
The first high-pressure pump connection.
5. the high-purity water treatment system of space flight according to claim 1, which is characterized in that the reverse osmosis treatment device packet
First-stage reverse osmosis device and second level reverse osmosis apparatus are included, the pure water tank includes level-one pure water tank and second level pure water tank；By institute
The water for stating pretreatment unit processing successively enters level-one pure water tank after the processing of first-stage reverse osmosis device, in level-one pure water tank
Water enters second level pure water tank, the second level pure water tank and the EDI processing unit after entering the processing of two-pass reverse osmosis processing unit
It is connected.
6. the high-purity water treatment system of space flight according to claim 1, which is characterized in that in the pure water tank and described
Degasser is additionally provided between EDI processing unit, the degasser includes degassing membrane stack and vacuum pump interconnected, institute
It states after the water in pure water tank enters degassing membrane stack processing by the second booster pump and enters EDI processing unit.
7. the high-purity water treatment system of space flight according to claim 1, which is characterized in that the polishing mixed bed includes series connection
The first polishing mixed bed and the second polishing mixed bed of connection, the water in nitrogen-sealed water tank successively pass through institute after the processing of TOC Degradator
Enter the sterilizing unit after stating the first polishing mixed bed and second polishing mixed bed.
8. the high-purity water treatment system of space flight according to claim 1, which is characterized in that the sterilizing unit is ultraviolet kills
Bacterium device.
9. the high-purity water treatment system of space flight according to claim 1, which is characterized in that the company after the nitrogen-sealed water tank
The material for taking over road is PVDF.
10. according to claim 1 to the high-purity water treatment system of space flight described in 9 any one, which is characterized in that killed described
Micron membrane filter is additionally provided with after bacterium device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820528743.XU CN208265935U (en) | 2018-04-14 | 2018-04-14 | A kind of high-purity water treatment system of space flight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820528743.XU CN208265935U (en) | 2018-04-14 | 2018-04-14 | A kind of high-purity water treatment system of space flight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208265935U true CN208265935U (en) | 2018-12-21 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820528743.XU Expired - Fee Related CN208265935U (en) | 2018-04-14 | 2018-04-14 | A kind of high-purity water treatment system of space flight |
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| CN (1) | CN208265935U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114620873A (en) * | 2022-04-20 | 2022-06-14 | 明士新材料有限公司 | Electronic-grade ultrapure water treatment system and process |
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2018
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114620873A (en) * | 2022-04-20 | 2022-06-14 | 明士新材料有限公司 | Electronic-grade ultrapure water treatment system and process |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181221 |