CN206494797U - A kind of low discharge type ultra-pure water all-in-one using two grades of EDI membrane stacks - Google Patents
A kind of low discharge type ultra-pure water all-in-one using two grades of EDI membrane stacks Download PDFInfo
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- CN206494797U CN206494797U CN201720147588.2U CN201720147588U CN206494797U CN 206494797 U CN206494797 U CN 206494797U CN 201720147588 U CN201720147588 U CN 201720147588U CN 206494797 U CN206494797 U CN 206494797U
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Abstract
The utility model is related to a kind of low discharge type ultra-pure water all-in-one using two grades of EDI membrane stacks, including casing and the pretreatment unit, reverse osmosis units, pressure vessel and the two grades of EDI membrane stacks that are integrated in casing；Multistage filter is provided with inside the pretreatment unit, its water inlet end is connected with raw water inlet, water side connects the water inlet end of reverse osmosis units；The water side of reverse osmosis units connects the water inlet end of pressure vessel and two grades of EDI membrane stacks respectively, and the ultra-pure water water side of two grades of EDI membrane stacks connects ultrapure water out, and concentrated water water side connects two grades of EDI concentrated waters outlets.The utility model has the advantages that simple in construction, easy to use, floor space is small, automaticity is high and operating cost is low, its aquifer yield is in 30L/H~100L/H, effluent characteristics reach or close to 18.2M Ω .cm, it is adaptable to the industry field that water consumption is smaller and water quality requirement is high.
Description
Technical field
The utility model is related to water process and pure water preparation technical field, more particularly to a kind of using two grades of EDI membrane stacks
Low discharge type ultra-pure water all-in-one.
Background technology
Ultra-pure water refers to almost remove the conducting medium in water completely, and by the colloidal substance not dissociated in water, gas
And organic matter is removed to the water of very low degree, the resistivity of ultra-pure water is typically larger than 18M Ω .cm, 18.3M Ω .cm for the limit
Value.Ultra-pure water is widely used in the life sciences such as lab analysis chemical test, genomics, proteomics and cell culture
In research；In integrated circuit industry, for semiconductor source material and vessel used cleaning, the preparation of photo mask board and silicon chip
Source vapor of oxidation etc..In addition, other solid electronic devices, thick film and thin film circuit, printed circuit, vacuum tube etc. make
Ultra-pure water will be used.Because the demand to ultra-pure water is larger and place to use scattered, it is accordingly required in particular to which one kind can be utilized
Running water or close water source conveniently prepare the integration apparatus of ultra-pure water as raw water.
Ultrapure water machine is a kind of water treatment facilities for being used to being processed into the raw waters such as running water into ultra-pure water；Existing ultra-pure water
Machine is during ultra-pure water is prepared, and the technique mainly applied includes；Distillation technique, full ion-exchange process, electrodialysis+ion
Exchange process, counter-infiltration+one-level EDI (electrodeionization)+polishing resin process；It is specific as follows：
Distillation technique ultrapure water machine：Pure water is prepared using distillating method, can divide and once and repeatedly distill.Its shortcoming is to make
Water speed is slow, and water quality purity is limited, takes inconvenience, and operating cost is high, needs special messenger to keep an eye on.
Full ion-exchange process ultrapure water machine：Completed using the ion in the yin and yang resin exchanged water of ion exchange column to water
Carry out desalination.Its shortcoming is that equipment input at initial stage is low, but later maintenance cost and water producing cost are high；Operating process complexity is tired
Trivial, regeneration frequency is high, and danger coefficient is big；Automation mechanized operation difficulty is big；System needs acid-alkali regeneration, produces a large amount of waste water, waste gas,
Larger pollution is caused to environment.
Electrodialysis+ion-exchange process ultrapure water machine：Combined using embrane method and ion-exchange process, it is easy to operate；Equipment
One-time investment is big, high energy consumption, and ion exchange column needs periodic cleaning, or changes resin, changes frequency height, and resin regeneration
Need to consume a large amount of acid-base solutions, produce large amount of sewage.
Counter-infiltration+one-level EDI+ polishing resin ultrapure water machines：Using embrane method, electrodeionization technology and ion exchange technique,
Equipment can produce ultra-pure water and be regenerated without chemical agent, stable effluent quality.Shortcoming is that aquifer yield has limitation, and polishing tree
Fat is huge consumptive material, and water producing cost is high and can not regenerate, and when water quality is less than production water requirement, not entirely ineffective polishing resin will
Change in the lump, cause significant wastage.
The content of the invention
The utility model provides a kind of low discharge type ultra-pure water all-in-one using two grades of EDI membrane stacks, with structure letter
Single, easy to use, floor space is small, automaticity is high and the low advantage of operating cost, and its aquifer yield is in 30L/H~100L/
H, effluent characteristics reach or close to 18.2M Ω .cm, it is adaptable to the industry field that water consumption is smaller and water quality requirement is high.
In order to achieve the above object, the utility model is realized using following technical scheme：
A kind of low discharge type ultra-pure water all-in-one using two grades of EDI membrane stacks, including casing and be integrated in pre- in casing
Processing unit, reverse osmosis units, pressure vessel and two grades of EDI membrane stacks；Multistage filter is provided with inside the pretreatment unit, its
Water inlet end is connected with raw water inlet, and water side connects the water inlet end of reverse osmosis units；The water side of reverse osmosis units connects respectively
The water inlet end of pressure vessel and two grades of EDI membrane stacks is connect, the ultra-pure water water side of two grades of EDI membrane stacks connects ultrapure water out, concentrated water
Water side connects two grades of EDI concentrated waters outlets.
The pretreatment unit is made up of the active carbon filter, softening water filter and cartridge filter being sequentially connected.
The reverse osmosis units are filled by the one-level high-pressure pump being sequentially connected, one-level RO devices, two grades of high-pressure pumps and two grades of RO
Composition is put, the water side of two grades of RO devices connects the water inlet end of pressure vessel and two grades of EDI membrane stacks by threeway respectively；One-level RO
The concentrated water outlet side of device and two grades of RO devices connects the outlet of one-level RO concentrated waters and two grades of RO concentrated waters outlets on casing respectively；Two
The concentrated water outlet side of level RO devices is connected additionally by concentrate recirculation pipe with the water inlet of one-level high-pressure pump.
The casing is enclosed housing, and the positive top of casing sets control panel, the monitor that control panel is provided with
Power switch button and operation start button are additionally provided with the display panel of table, control panel；Box back surface bottom connects provided with power supply
Mouth, raw water inlet, the outlet of one-level RO concentrated waters, two grades of RO concentrated waters outlets, two grades of EDI concentrated waters outlets and ultrapure water out.
The measuring instrument includes pressure gauge, flowmeter, voltmeter, ammeter, one-level RO water outlet conductivities table, two grades of RO
Water outlet conductivity table and ultra-pure water resistivity table；Wherein pressure gauge, the measurement end of flowmeter are arranged on the water inlet of pretreatment unit
End；The measurement end of voltmeter and ammeter is set on the power line；One-level RO water outlet conductivities table, two grades of RO water outlet conductivity tables
Probe is respectively arranged on the water side of one-level RO devices, two grades of RO devices；The probe of ultra-pure water resistivity table is arranged on two grades of EDI films
The water side of heap.
The bottom half corner sets Universal pulley respectively.
Electric cabinet and PLC control system are additionally provided with the casing；Pretreatment unit, reverse osmosis units, pressure vessel and
Connecting line between two grades of EDI membrane stacks, concentrate recirculation pipe and reverse osmosis units, two grades of EDI membrane stacks are exported with corresponding concentrated water
Between connecting line on set electrically operated valve respectively；Pretreatment unit, reverse osmosis units, the control end of two grades of EDI membrane stacks, each electricity
The control end of movable valve and the output end of measuring instrument connect PLC control system respectively.
Compared with prior art, the beneficial effects of the utility model are：
1) using two grades of EDI membrane stacks, it can be achieved the running water of different quality being converted into ultra-pure water, ultra-pure water resistivity is most
High reachable 18.2M Ω .cm；
2) compared with ion-exchange process, equipment continuously-running, it is not necessary to shut down regeneration, equipment is regenerated without acid adding
Aqueous slkali, no sewage is produced, and regenerative operation is simple；
3) production water purity is high, water stabilization, and resin process ratio is polished with counter-infiltration+one-level EDI+, huge without polishing resin
Volume consumptive material, it is possible to decrease water consumption processed and cost；
4) water outlet of two grades of RO devices is increased by the flow of two grades of EDI membrane stacks and time, therefore Ion transfer quantity increases
Plus, the purity of made pure water is higher, and the service life of EDI membrane stacks is long, changes the frequency low；
5) it is applied widely, meet demand of the every profession and trade to ultra-pure water；
6) reasonable in design, compact conformation, small volume, conveniently moving, intelligence degree is high, low energy consumption, water producing cost
It is low；
7) by measuring instrument, equipment working state can be shown in real time, the function of possessing auto-flushing membranous system, water shortage
When system automatic protection；Effluent quality real time on-line monitoring.
Brief description of the drawings
Fig. 1 is the front view of the low discharge type ultra-pure water all-in-one described in the utility model using two grades of EDI membrane stacks.
Fig. 2 is Fig. 1 rearview.
Fig. 3 is Fig. 1 left view.
Fig. 4 is Fig. 1 right view.
Fig. 5 is the technological process frame of the low discharge type ultra-pure water all-in-one described in the utility model using two grades of EDI membrane stacks
Figure.
In figure：1. power switch button 2. runs the 4. 2 grades of RO electrical conductivity tables of one-level RO electrical conductivity table of start button 3.
5. the active carbon filter 11. of 9. flowmeter of ultra-pure water resistivity table 6. voltmeter, 7. ammeter, 8. pressure gauge 10. softens
The one-level RO concentrated waters of 15. raw water inlet of water filter 12. cartridge filter, 13. Universal pulley, 14. power interface 16. are exported
17. the 19. 2 grades of EDI concentrated waters outlet one-level RO of 20. one-level high-pressure pump 21. dresses of the ultrapure water out in two grades of RO concentrated waters outlets 18.
Put 22. 2 grades of high-pressure pumps, 23. 2 grades of RO devices, 24. pressure vessel, 25. 2 grades of electric cabinets of EDI membrane stacks 26. and PLC controls
System
Embodiment
Embodiment of the present utility model is described further below in conjunction with the accompanying drawings：
As Figure 1-4, a kind of low discharge type ultra-pure water all-in-one using two grades of EDI membrane stacks described in the utility model,
Including casing 1 and the pretreatment unit being integrated in casing 1, reverse osmosis units, pressure vessel 25 and two grades of EDI membrane stacks 26；Institute
State and multistage filter is provided with inside pretreatment unit, its water inlet end is connected with raw water inlet 16, water side connection counter-infiltration list
The water inlet end of member；The water side of reverse osmosis units connects the water inlet end of pressure vessel 25 and two grades of EDI membrane stacks 26, two grades respectively
The ultra-pure water water side of EDI membrane stacks 26 connects ultrapure water out 19, and concentrated water water side connects two grades of EDI concentrated waters outlets 20.
The pretreatment unit is by the active carbon filter 11, the softening water filter 12 and cartridge filter 13 that are sequentially connected
Composition.
The reverse osmosis units are by the one-level high-pressure pump 21 being sequentially connected, one-level RO devices 22, two grades of high-pressure pumps 23 and two
Level RO devices 24 are constituted, and the water side of two grades of RO devices 24 connects pressure vessel 25 and two grades of EDI membrane stacks 26 by threeway respectively
Water inlet end；The one-level RO concentrated waters that the concentrated water outlet side of one-level RO devices 22 and two grades of RO devices 24 is connected on casing 1 respectively go out
Mouth 17 and two grades of RO concentrated waters outlets 18；The concentrated water outlet side of two grades of RO devices 24 is additionally by concentrate recirculation pipe and one-level high-pressure pump
21 water inlet connection.
The casing 1 is enclosed housing, and the positive top of casing 1 sets control panel, the monitoring that control panel is provided with
Power switch button 2 and operation start button 3 are additionally provided with the display panel of instrument, control panel；The back bottom of casing 1 is provided with electricity
Source interface 15, raw water inlet 16, one-level RO concentrated waters outlet 17, two grades of RO concentrated waters outlets 18, two grades of EDI concentrated waters export 20 and super
Pure water outlet 19.
The measuring instrument include pressure gauge 9, flowmeter 10, voltmeter 7, ammeter 8, one-level RO water outlet conductivities table 4,
Two grades of RO water outlet conductivities tables 5 and ultra-pure water resistivity table 6；Wherein pressure gauge 9, the measurement end of flowmeter 10 are arranged on pretreatment
The water inlet end of unit；The measurement end of voltmeter 7 and ammeter 8 is set on the power line；One-level RO water outlet conductivities table 4, two grades of RO
The probe of water outlet conductivity table 5 is respectively arranged on the water side of one-level RO devices 22, two grades of RO devices 24；Ultra-pure water resistivity table 6
Probe be arranged on the water sides of two grades of EDI membrane stacks 26.
The bottom corner of casing 1 sets Universal pulley 14 respectively.
Electric cabinet and PLC control system 27 are additionally provided with the casing 1；Pretreatment unit, reverse osmosis units, pressure vessel
Connecting line between 25 and two grades of EDI membrane stacks 26, concentrate recirculation pipe and reverse osmosis units, two grades of EDI membrane stacks 26 with it is corresponding
Concentrated water exports and sets electrically operated valve respectively on the connecting line between 17,18,20；Pretreatment unit, reverse osmosis units, two grades of EDI
The control end of membrane stack 26, the control end of each electrically operated valve and the output end of measuring instrument connect PLC control system respectively.
As shown in figure 5, using a kind of low discharge type ultra-pure water all-in-one using two grades of EDI membrane stacks described in the utility model
The process for producing ultra-pure water is automatically controlled by PLC control system, first by the power switch button 2 on the control panel of lower box 1,
Then device presses operation start button 3, device brings into operation to electricity.Raw water enters pretreatment unit by original water inlet 16,
When intake pressure, which is met, sets pressure, entering water electromagnetic valve is opened, and raw water sequentially passes through active carbon filter 11, softens water filter
12nd, after cartridge filter 13 is handled, one-level RO (counter-infiltration) device 22 is entered by one-level high-pressure pump 21, one-level RO devices 22 are produced
The pure water gone out directly enters two grades of high-pressure pumps 23, subsequently into two grades of RO devices 24, the output of one-level RO devices 22 by pipeline
Concentrated water is discharged by one-level RO concentrated waters outlet 17；The production water of two grades of EO devices 24 is most of directly to enter two grades of EDI by pipeline
Membrane stack 26, fraction enters pressure vessel 25, and the concentrated water of two grades of outputs of RO devices 24 exports 18 by two grades of RO concentrated waters and discharged；Two
The water outlet of level EDI membrane stacks 26 is ultra-pure water, and ultra-pure water is discharged by ultrapure water out 19, the concentrated water of two grades of outputs of EDI membrane stacks 26
20 are exported by two grades of EDI concentrated waters to discharge.And two grades of RO systems 24 are provided with a concentrate recirculation pipe and one-level high-pressure pump 21
Water inlet is connected.The electrical conductivity of pure water, the resistivity of ultra-pure water, the pressure of raw water and flow etc. are joined in ultra-pure water producing process
Number can be seen on the measuring instrument display panel of control panel, and the present apparatus is additionally provided with power-off protection function, runs into abnormal conditions,
Being capable of autostop.
A kind of low discharge type ultra-pure water all-in-one using two grades of EDI membrane stacks described in the utility model by pretreatment unit,
Reverse osmosis units, two grades of EDI membrane stacks 26 are incorporated into the cabinet 1 of a closing, compact conformation, beautiful and clean, can prevent ash
Dirt enters, and occupation area of equipment is small；A variety of measuring instrument display panels are installed on control panel, easy to operate, Automatic Control,
Realize unattended operation.
Two grades of RO devices 24 set concentrate recirculation pipe and the concentrated water of output are returned into one-level high-pressure pump 21, can reduce concentrated water discharge
Amount, improves the rate of recovery, saves cost.
EDI membrane stacks are to move the charged ion in water using module two end electrodes, and coordinate ion exchange resin and choosing
Selecting property resin film, to accelerate ion movement removal, and then reaches the purifying of water.And hydrogen radical needed for ion exchange resin regeneration and
Hydrogen-oxygen is supplied with then coming under high-tension electricity by the dissociation in water, thus without carrying out regeneration reducing with acid, alkali.Two
The operation length of level EDI membrane stacks is twice of one-level EDI membrane stacks, and the time that RO water outlets are flowed through in two grades of EDI membrane stacks is long, wherein
The removed amount of ion is significantly larger than one-level EDI membrane stacks.Therefore the purity of two grades of made ultra-pure waters of EDI membrane stacks is significantly larger than one-level
EDI membrane stacks.Other two grades of EDI membrane stacks are entering still to stablize under conditions of water conductivity is less than 20us/cm output more than 15M
Ω .cm ultra-pure water, with extremely strong resistance ability, the stability of product water is high；When using running water as raw water, its
The fluctuation of salt content is big, and one-level RO production water conductivity fluctuations are also big, and the resistivity for making one-level EDI membrane stacks produce water is not reached use by this
Water requirement, or even cause production water resistance rate drastically to decline, it is impossible to regeneration recovers.Thus the utility model using two-stage RO devices+
The structure type of two grades of EDI membrane stacks, it is ensured that the ultra-pure water required by the stable output of two grades of EDI membrane stacks 26.Utilize pressure vessel 25
Booster pump need not be set before stablizing the intake pressure of two grades of EDI membrane stacks, two grades of EDI membrane stack water inlets, solve pressure of supply water and ask
Topic
Bottom half is equipped with Universal pulley 14, is easy to mobile and transports.
It is described above, only the utility model preferably embodiment, but protection domain of the present utility model is not
This is confined to, any one skilled in the art is in the technical scope that the utility model is disclosed, according to this practicality
New technical scheme and its design is subject to equivalent substitution or change, should all cover within protection domain of the present utility model.
Claims (7)
1. a kind of low discharge type ultra-pure water all-in-one using two grades of EDI membrane stacks, it is characterised in that including casing and be integrated in case
Internal pretreatment unit, reverse osmosis units, pressure vessel and two grades of EDI membrane stacks；Provided with multistage inside the pretreatment unit
Filter, its water inlet end is connected with raw water inlet, and water side connects the water inlet end of reverse osmosis units；The water outlet of reverse osmosis units
End connects the water inlet end of pressure vessel and two grades of EDI membrane stacks respectively, and the ultra-pure water water side connection ultra-pure water of two grades of EDI membrane stacks goes out
Mouthful, concentrated water water side connects two grades of EDI concentrated waters outlets.
2. a kind of low discharge type ultra-pure water all-in-one using two grades of EDI membrane stacks according to claim 1, its feature exists
In the pretreatment unit is made up of the active carbon filter, softening water filter and cartridge filter being sequentially connected.
3. a kind of low discharge type ultra-pure water all-in-one using two grades of EDI membrane stacks according to claim 1, its feature exists
In the reverse osmosis units are by the one-level high-pressure pump being sequentially connected, one-level RO devices, two grades of high-pressure pumps and two grades of RO device groups
Into the water side of two grades of RO devices connects the water inlet end of pressure vessel and two grades of EDI membrane stacks by threeway respectively；One-level RO devices
Connect the outlet of one-level RO concentrated waters and two grades of RO concentrated waters outlets on casing respectively with the concentrated water outlet side of two grades of RO devices；Two grades of RO
The concentrated water outlet side of device is connected additionally by concentrate recirculation pipe with the water inlet of one-level high-pressure pump.
4. a kind of low discharge type ultra-pure water all-in-one using two grades of EDI membrane stacks according to claim 1, its feature exists
Be enclosed housing in, the casing, the positive top of casing sets control panel, the measuring instrument that control panel is provided with it is aobvious
Show and power switch button and operation start button are additionally provided with disk, control panel；Box back surface bottom is provided with power interface, raw water
Water inlet, the outlet of one-level RO concentrated waters, two grades of RO concentrated waters outlets, two grades of EDI concentrated waters outlets and ultrapure water out.
5. a kind of low discharge type ultra-pure water all-in-one using two grades of EDI membrane stacks according to claim 4, its feature exists
In the measuring instrument includes pressure gauge, flowmeter, voltmeter, ammeter, one-level RO water outlet conductivities table, two grades of RO water outlets
Electrical conductivity table and ultra-pure water resistivity table；Wherein pressure gauge, the measurement end of flowmeter are arranged on the water inlet end of pretreatment unit；Electricity
The measurement end of pressure table and ammeter is set on the power line；The probe of one-level RO water outlet conductivities table, two grades of RO water outlet conductivity tables
It is respectively arranged on the water side of one-level RO devices, two grades of RO devices；The probe of ultra-pure water resistivity table is arranged on two grades of EDI membrane stacks
Water side.
6. a kind of low discharge type ultra-pure water all-in-one using two grades of EDI membrane stacks according to claim 1, its feature exists
In the bottom half corner sets Universal pulley respectively.
7. a kind of low discharge type ultra-pure water all-in-one using two grades of EDI membrane stacks according to claim 1, its feature exists
In being additionally provided with electric cabinet and PLC control system in the casing；Pretreatment unit, reverse osmosis units, pressure vessel and two grades
Between connecting line between EDI membrane stacks, concentrate recirculation pipe and reverse osmosis units, two grades of EDI membrane stacks are exported with corresponding concentrated water
Connecting line on set electrically operated valve respectively；Pretreatment unit, reverse osmosis units, the control end of two grades of EDI membrane stacks, each motor-driven valve
The control end of door and the output end of measuring instrument connect PLC control system respectively.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720147588.2U CN206494797U (en) | 2017-02-17 | 2017-02-17 | A kind of low discharge type ultra-pure water all-in-one using two grades of EDI membrane stacks |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720147588.2U CN206494797U (en) | 2017-02-17 | 2017-02-17 | A kind of low discharge type ultra-pure water all-in-one using two grades of EDI membrane stacks |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108862675A (en) * | 2018-07-13 | 2018-11-23 | 芜湖鑫霖森椽环保科技有限公司 | A kind of water treatment facilities with multistage filtering function |
-
2017
- 2017-02-17 CN CN201720147588.2U patent/CN206494797U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108862675A (en) * | 2018-07-13 | 2018-11-23 | 芜湖鑫霖森椽环保科技有限公司 | A kind of water treatment facilities with multistage filtering function |
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