CN102295374A - Preparation method and preparation equipment of water for solar battery production - Google Patents
Preparation method and preparation equipment of water for solar battery production Download PDFInfo
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- CN102295374A CN102295374A CN2011102347268A CN201110234726A CN102295374A CN 102295374 A CN102295374 A CN 102295374A CN 2011102347268 A CN2011102347268 A CN 2011102347268A CN 201110234726 A CN201110234726 A CN 201110234726A CN 102295374 A CN102295374 A CN 102295374A
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- reverse osmosis
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- 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
Abstract
The invention is suitable for the technical field of water treatment, and provides a preparation method and preparation equipment of water for solar battery production. The preparation method of water for solar battery production comprises the steps of pretreatment, reverse osmosis treatment, continuous electrolytic desalination, ion exchange treatment, precise treatment and the like. Through the pretreatment, the reverse osmosis treatment, the continuous electrolytic desalination, the ion exchange treatment and precise filtration, the preparation method of water for solar battery production remove thoroughly impurities of bacteria, microorganisms, salts and the like thereby realizing water purification. The preparation method of water for solar battery production adopts simple equipment, has a low cost, can realize continuous production and is suitable for industrialized production very much. The preparation equipment of water for solar battery production has the advantages of simple structure, low cost and high production efficiency.
Description
Technical field
The invention belongs to water-treatment technology field, relate in particular to manufacture of solar cells water preparation method and preparation equipment.
Background technology
In silicon single crystal, the polysilicon solar cell preparation process, need to consume a large amount of water; Simultaneously, the production of solar cell is high especially to the specification of quality of water, and other metallic cations and anionic impurity can not mix in the water.At present, silicon single crystal, polysilicon solar cell water of productive use preparation method complexity, the energy consumption height, and prepared manufacture of solar cells water is difficult to reach production requirement.
Summary of the invention
In view of this, the embodiment of the invention provides manufacture of solar cells water preparation method, solves manufacture of solar cells water preparation method program complexity, energy consumption height in the prior art, the technical problem that productivity effect is low; And production unit.
The present invention is achieved in that
A kind of manufacture of solar cells water preparation method comprises the steps:
Former water is carried out pre-treatment, obtain first liquid;
This first liquid is carried out reverse-osmosis treated with reverse osmosis unit, obtain second liquid;
This second liquid is carried out the continuous electrolysis desalination with the continuous electrolysis desalination plant, obtain the 3rd liquid;
The 3rd liquid is mixed bed with polishing carried out ion exchange treatment, obtain the 4th liquid;
The 4th liquid is carried out secondary filter with the secondary filter device handle, obtain the manufacture of solar cells water.
A kind of manufacture of solar cells water prepares equipment, comprises that the pretreatment unit, reverse osmosis unit, continuous electrolysis desalination plant, the polishing that are communicated with successively mix bed and secondary filter device.
Embodiment of the invention manufacture of solar cells water preparation method, by former water being carried out disc type filtration treatment, uf processing, reverse-osmosis treated, continuous electrolysis desalination, ion exchange treatment and secondary filter, make impurity such as bacterium in the former water, microorganism, salt be eliminated totally, realized the super cleaning of water body; This production method equipment is simple, with low cost simultaneously, can realize continuous production, is highly suitable for suitability for industrialized production.Embodiment of the invention manufacture of solar cells water prepares equipment, and is simple in structure, with low cost, the productivity effect height.
Description of drawings
Fig. 1 is an embodiment of the invention manufacture of solar cells water preparation method schema;
Fig. 2 is that embodiment of the invention manufacture of solar cells water prepares equipment structure chart.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
See also Fig. 1, Fig. 1 shows embodiment of the invention manufacture of solar cells water preparation method schema, comprises the steps:
Step S01, pre-treatment
Former water is carried out pre-treatment, obtain first liquid;
Step S02, reverse-osmosis treated
This first liquid is carried out reverse-osmosis treated with reverse osmosis unit, obtain second liquid;
Step S03, the continuous electrolysis desalination
This second liquid is carried out the continuous electrolysis desalination with the continuous electrolysis desalination plant, obtain the 3rd liquid;
Step S04, ion exchange treatment
The 3rd liquid is mixed bed with polishing carried out ion exchange treatment, obtain the 4th liquid;
Step S05, secondary filter
The 4th liquid is carried out secondary filter with the secondary filter device handle, obtain the manufacture of solar cells water.
Embodiment of the invention manufacture of solar cells water preparation method, by former water being carried out disc type filtration treatment, uf processing, reverse-osmosis treated, continuous electrolysis desalination, ion exchange treatment and secondary filter, make impurity such as bacterium in the former water, microorganism, salt be eliminated totally, realized that water body is pure; This production method equipment is simple, with low cost simultaneously, can realize continuous production, is very suitable for suitability for industrialized production.
Particularly, among the step S01, this pre-treatment comprises carries out filtration treatment with former water with disc filter, carries out uf processing with ultra-filtration equipment then, and former water obtains first liquid through after the pre-treatment;
Former water is meant the raw water of manufacture of solar cells water, specifically without limits, for example, tap water, lake water, river etc.Use disc filter (DF) that former water is carried out filtration treatment in this step.This disc filter without limits, for example (Israel ARKAL filter plant company 2 " unit).Disc filter has disc filter and has the advantages that processing power is big, stable and be easy to control.By using disc filter that former water is carried out filtration treatment, make that the large granular impurity in the former water is removed efficiently, prolonged the maintenance intervals of subsequent ultrafiltration equipment, greatly reduce the maintenance cost of ultrafiltration apparatus.
Particularly, among the step S01, use the former water after ultra-filtration equipment (UF) filters disc type to carry out uf processing, obtain first liquid after the uf processing.The ultra-filtration equipment that uses among the step S02 without limits, for example (the Dutch NORIT SXL225 of company ultra-filtration membrane).Ultra-filtration membrane is the asymmetric semipermeable membrane of making through special process with macromolecular material, is a kind of separating device that solution is not produced phase transformation.By using ultra-filtration equipment, can effectively remove the suspended sediment of organism, bacterium, virus, colloidalmaterial and nonionic shape in the water.By after the disc type filtration treatment, uf processing being set, make that impurity knows that efficient significantly promotes in the water.
Particularly, among the step S02, first liquid that step S01 is obtained carries out reverse-osmosis treated (RO), obtains second liquid.Further, reverse-osmosis treated comprises first step reverse-osmosis treated (one-level RO) and second stage reverse-osmosis treated (secondary RO) in this step.The reverse osmosis unit that uses in this step without limits, for example (U.S. BW30-365 of DOW company reverse osmosis membrane), further, the reverse osmosis unit that uses in this step is the combination of two reverse osmosis units.By reverse-osmosis treated, can effectively remove impurity such as dissolved salt in the water and most of organism, particularly, the removal effect of the salts substances in the liquid of winning is promoted greatly by the secondary reverse-osmosis treated.
Further, before carrying out second stage reverse-osmosis treated, also comprise the step that in through first liquid after the first step reverse-osmosis treated, adds alkali, because first step reverse osmosis membrane does not remove ability to gas, so produce the CO in the water
2Content is higher, regulates pH value (about 8.2) by adding alkali, CO
2Be transformed into HCO
3 -And CO
3 2-, remove by follow-up second stage reverse-osmosis treated again.
Particularly, among the step S04, second liquid that step S03 is obtained carries out continuous electrolysis desalination processing (EDI), obtains the 3rd liquid.In this step the continuous electric desalination device without limits, for example (LXM45Z of Siemens Company) handles by continuous electric desalination, makes that salt content further reduces in second liquid, realized the lifting greatly of the 3rd liquid water quality.
Particularly, among the step S05, the 3rd liquid that step S04 is obtained carries out ion exchange treatment by polishing mixed bed, obtains the 4th liquid.It is a kind of of ion-exchange unit that polishing mixes bed, utilizes yin, yang ion-exchange absorption performance, removes the various yin, yang ions in the water, reaches the purpose of desalination.This polishing mixes bed without limits, and for example (Britain WAVE CYBER14 " * 65 "), the 3rd liquid enters in the mixed bed apparatus of polishing and carries out ion-exchange, makes that the salts substances content in the 3rd liquid further reduces.
Particularly, among the step S06, the 4th liquid that step S05 is obtained carries out the secondary filter processing, obtains the manufacture of solar cells water.The secondary filter of this step is handled the device that uses and is the 0.1um accurate filter.This 0.1um accurate filter without limits, (HEADWATER company 15 cores-40 ") for example.Handle by the 4th liquid being carried out secondary filter, make that the salts substances in the 4th liquid significantly reduces, realized the remarkable lifting of water quality.
See also Fig. 2, Fig. 2 shows that embodiment of the invention manufacture of solar cells water prepares the device structure synoptic diagram, comprises that the pretreatment unit 1, reverse osmosis unit 2, continuous electrolysis desalination plant 3, the polishing that are communicated with successively mix bed 4 and secondary filter device 5.
Particularly, this pretreatment unit comprises disc filter 11 and the ultra-filtration equipment 12 that is communicated with successively.
Particularly, this disc filter without limits, for example (Israel ARKAL filter plant company 2 " unit).Disc filter has the advantages that processing power is big, stable and be easy to control.By using disc filter that former water is carried out filtration treatment, make that the large granular impurity in the former water is removed efficiently, prolonged the maintenance intervals of subsequent ultrafiltration equipment, greatly reduce the maintenance cost of ultrafiltration apparatus.
Further, before this disc filter, be provided with a raw water box 6, store the former water that need carry out purifying treatment in this raw water box 6.Be communicated with by pipeline between this raw water box 6 and this disc filter 11; Also be provided with raw water pump 7 between this raw water box 6 and disc filter 11, under the pressure effect of raw water pump 7, former water enters disc filter 11 from raw water box 6 and carries out the disc type filtration treatment; Further, before raw water box 6, be provided with a pressure pump, raw water pump is advanced in the raw water box.
Particularly, this ultra-filtration equipment is (the Dutch NORIT SXL225 of company ultra-filtration membrane) without limits, for example ultra-filtration membrane.Ultra-filtration membrane is the asymmetric semipermeable membrane of making through special process with macromolecular material, is a kind of separating device that solution is not produced phase transformation.By using ultra-filtration equipment, can effectively remove the suspended sediment of organism, bacterium, virus, colloidalmaterial and nonionic shape in the water.By after the disc type filtration treatment, carrying out uf processing, make that impurity knows that efficient significantly promotes in the water by ultra-filtration equipment.
This ultra-filtration equipment 12 and this disc filter 11 are communicated with by pipeline, and former water filters after 11 processing through disc type, enter and carry out uf processing in the ultra-filtration equipment 12, through obtaining first liquid after the uf processing.
Particularly, this reverse osmosis equipment without limits, for example (U.S. BW30-365 of DOW company reverse osmosis membrane) passes through reverse-osmosis treated, can effectively remove impurity such as dissolved salt in the water and most of organism, the removal effect of the salts substances in the liquid of winning is promoted greatly.
Further, this reverse osmosis unit 2 is the combination of two reverse osmosis units, comprise first reverse osmosis unit 21, second reverse osmosis unit 22, the first reverse osmosis high-pressure pump 23, the first reverse osmosis water tank 24, the second reverse osmosis high-pressure pump 25 and the second reverse osmosis water tank 26, two-pass reverse osmosis by two reverse osmosis units is handled, and the removal effect of the salts substances in first liquid is promoted greatly.
Further, also be provided with ultrafiltration water tank 8 between this ultra-filtration equipment 12 and the reverse osmosis unit 2, this ultrafiltration water tank 8 and ultra-filtration equipment 12 are communicated with, and first liquid that obtains through ultra-filtration equipment 12 uf processing enters storage in the ultrafiltration water tank 8; This first reverse osmosis unit 21 and this ultrafiltration water tank 8 are communicated with, and first liquid in the ultrafiltration water tank 8 enters in first reverse osmosis unit 21 and carries out reverse-osmosis treated.
Further, also be provided with plate-type heat exchanger 9 between this ultrafiltration water tank 8 and first reverse osmosis unit 21, this plate-type heat exchanger 9 guarantees the feed water by reverse osmosis temperature, thereby guarantees reverse osmosis produced water rate (the particularly lower situation of ambient air temperature).
Further, also be provided with the first reverse osmosis high-pressure pump 23 between this reverse osmosis unit 21 and the plate-type heat exchanger 9, this first reverse osmosis high-pressure pump 23 pumps into first liquid in the ultrafiltration water tank 8 in first reverse osmosis unit 21 and carries out reverse-osmosis treated;
Particularly, this first reverse osmosis unit 21 and this second reverse osmosis unit 22 are communicated with by pipeline; Be provided with the first reverse osmosis water tank 24 between this first reverse osmosis unit 21 and this second reverse osmosis unit 22, be provided with the second reverse osmosis high-pressure pump 25 between this first reverse osmosis water tank 24 and this second reverse osmosis unit 22;
This first reverse osmosis water tank 24 and first reverse osmosis unit 21 are communicated with, and are used to store first liquid through after first reverse-osmosis treated; This first reverse osmosis water tank 24 and second reverse osmosis unit 22 are communicated with, reverse-osmosis treated is carried out in entering under the effect of the second reverse osmosis high-pressure pump 25 in second reverse osmosis unit 22 through first liquid after first reverse-osmosis treated of storing in this first reverse osmosis water tank 24, obtains second liquid.
Particularly, this continuous electric desalination device without limits, for example (LXM45Z of Siemens Company), the continuous electric desalination by the continuous electrolysis desalination plant is handled, and makes that salt content further reduces in second liquid, has realized the lifting greatly of the 3rd liquid water quality.
Particularly, this continuous electric desalination device 3 and this second reverse osmosis unit 22 are communicated with by pipeline.Be provided with the second reverse osmosis water tank 26 between this second reverse osmosis unit 22 and this continuous electric desalination device 3, this second reverse osmosis water tank 26 and this second reverse osmosis unit 22 are communicated with by pipeline, and this second reverse osmosis 26 is used to store second liquid that obtains through after second reverse osmosis unit, 22 reverse-osmosis treated;
Further, this second reverse osmosis water tank 26 and this continuous electric desalination device 3 are communicated with by pipeline, be provided with continuous electric desalination working shaft 10 between this second reverse osmosis water tank 26 and this continuous electric desalination device 3, this continuous electric desalination working shaft 10 with second liquid pumping of the second reverse osmosis water tank 26, provide to continuous electric desalination device 3;
Further, be provided with ultraviolet sterilizer 13 between this second reverse osmosis unit 22 and the continuous electric desalination device 3, specifically be, be provided with ultraviolet sterilizer 13 between this continuous electric desalination working shaft 10 and this continuous electric desalination device 3, make second liquid in being pumped to continuous electric desalination device 3 processes, realize sterilization by this ultraviolet sterilizer 13.
Further, be provided with 0.45um secondary filter device 14 between this ultraviolet sterilizer 13 and this continuous electric desalination device 3.The precision of this secondary filter device is 0.45um, by 0.45um secondary filter device 14 is set, makes that the macrobead in second liquid is eliminated, and is come the impurity such as macrobead in the water to stop up the continuous electric desalination device to avoid it.
Particularly, this polishing mixes bed without limits, and for example (Britain WAVE CYBER14 " * 65 "), the 3rd liquid enters in the mixed bed apparatus of polishing and carries out ion-exchange, makes that the salts substances content in the 3rd liquid further reduces.
Particularly, be communicated with by pipeline between the mixed bed 4 of this polishing and this continuous electric desalination device 3, the 3rd liquid that process continuous electric desalination device 3 carries out obtaining after continuous electric desalination is handled enters in the mixed bed 4 of this polishing and carries out ion exchange treatment.
Further, be provided with continuous electric desalination water tank 15 between the mixed bed 4 of this polishing and this continuous electric desalination device 3 and mix a working shaft 16 with polishing, the mixed bed of this polishing working shaft 16 is between this continuous electric desalination water tank 15 and the mixed bed 4 of polishing; This continuous electric desalination water tank 15 and continuous electric desalination device 3 are communicated with by pipeline, are used to store the 3rd liquid; This polishes mixed bed working shaft 16 the 3rd liquid pumping in the continuous electric desalination water tank 15 is extremely polished among mixed 4.
Particularly, this 0.1um accurate filter without limits, (HEADWATER company 15 cores-40 ") for example.By the 4th liquid being carried out the filtration treatment of 0.1um accurate filter, make that the salts substances in the 4th liquid significantly reduces, realized the remarkable lifting of water quality.
Particularly, this 0.1um accurate filter 5 and this polishing mix bed 4 and are communicated with by pipeline, the mixed bed of process polishing 4 the 4th liquid that carry out obtaining after the ion exchange treatment enter to and carry out the secondary filter processing in this 0.1um accurate filter 5, promptly obtain the manufacture of solar cells water.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a manufacture of solar cells water preparation method comprises the steps:
Former water is carried out pre-treatment, obtain first liquid;
Described first liquid is carried out reverse-osmosis treated with reverse osmosis unit, obtain second liquid;
Described second liquid is carried out the continuous electrolysis desalination with the continuous electrolysis desalination plant, obtain the 3rd liquid;
Described the 3rd liquid is mixed bed with polishing carried out ion exchange treatment, obtain the 4th liquid;
Described the 4th liquid is carried out secondary filter with the secondary filter device handle, obtain the manufacture of solar cells water.
2. manufacture of solar cells water preparation method as claimed in claim 1 is characterized in that described pre-treatment is carried out uf processing with ultra-filtration equipment again for former water is carried out filtration treatment with disc filter, obtains first liquid.
3. manufacture of solar cells water preparation method as claimed in claim 1 is characterized in that described reverse-osmosis treated step comprises first step reverse-osmosis treated and second stage reverse-osmosis treated.
4. manufacture of solar cells water preparation method as claimed in claim 3 is characterized in that, also comprises the step that adds alkali in first liquid after first reverse-osmosis treated before the described second reverse-osmosis treated step.
5. a manufacture of solar cells water prepares equipment, comprises that the pretreatment unit, reverse osmosis unit, continuous electrolysis desalination plant, the polishing that communicate successively mix bed and secondary filter device.
6. prepare equipment as claim 5 manufacture of solar cells water, it is characterized in that, described pretreatment unit comprises disc filter and the ultra-filtration equipment that is connected.
7. prepare equipment as claim 5 manufacture of solar cells water, it is characterized in that, described reverse osmosis unit comprises first step reverse osmosis unit and the second stage reverse osmosis unit that communicates.
8. prepare equipment as claim 7 manufacture of solar cells water, it is characterized in that, also be provided with the ultrafiltration water tank between the described ultra-filtration equipment and first reverse osmosis unit.
9. prepare equipment as claim 5 manufacture of solar cells water, it is characterized in that, be provided with plate-type heat exchanger between the described ultrafiltration water tank and first reverse osmosis unit.
10. prepare equipment as claim 5 manufacture of solar cells water, it is characterized in that, be provided with ultraviolet sterilizer between described second reverse osmosis unit and the described continuous electric desalination device.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2014153974A1 (en) * | 2013-03-28 | 2014-10-02 | 清华大学 | Radioactive wastewater treating method |
| CN106277510A (en) * | 2015-05-28 | 2017-01-04 | 内蒙古盾安光伏科技有限公司 | Sewage treatment process and system |
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| CN101613162A (en) * | 2009-07-30 | 2009-12-30 | 上海京瓷电子有限公司 | The treatment process that a kind of electroplating wastewater utilizes again |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014153974A1 (en) * | 2013-03-28 | 2014-10-02 | 清华大学 | Radioactive wastewater treating method |
| US10046987B2 (en) | 2013-03-28 | 2018-08-14 | Tsinghua University | Method of treatment of radioactive wastewater |
| CN106277510A (en) * | 2015-05-28 | 2017-01-04 | 内蒙古盾安光伏科技有限公司 | Sewage treatment process and system |
| CN106277510B (en) * | 2015-05-28 | 2019-04-05 | 内蒙古盾安光伏科技有限公司 | Sewage treatment process and system |
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Application publication date: 20111228 |