CN203558929U - Desalted water production system - Google Patents
Desalted water production system Download PDFInfo
- Publication number
- CN203558929U CN203558929U CN201320635666.5U CN201320635666U CN203558929U CN 203558929 U CN203558929 U CN 203558929U CN 201320635666 U CN201320635666 U CN 201320635666U CN 203558929 U CN203558929 U CN 203558929U
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- CN
- China
- Prior art keywords
- water
- production system
- mixed bed
- reverse osmosis
- water tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 112
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 27
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 30
- 150000001450 anions Chemical class 0.000 claims abstract description 23
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 12
- 150000001768 cations Chemical class 0.000 claims abstract description 12
- 238000005498 polishing Methods 0.000 claims abstract description 10
- 239000013505 freshwater Substances 0.000 claims abstract description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 21
- 238000000108 ultra-filtration Methods 0.000 claims description 16
- 239000001569 carbon dioxide Substances 0.000 claims description 13
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 13
- 238000004140 cleaning Methods 0.000 claims description 4
- 239000012535 impurity Substances 0.000 abstract description 7
- 229910052799 carbon Inorganic materials 0.000 abstract description 6
- 239000000084 colloidal system Substances 0.000 abstract description 4
- 239000008235 industrial water Substances 0.000 abstract description 3
- 238000005262 decarbonization Methods 0.000 abstract 1
- 238000010612 desalination reaction Methods 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000012633 leachable Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 235000011089 carbon dioxide Nutrition 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 125000005842 heteroatom Chemical group 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 235000019600 saltiness Nutrition 0.000 description 1
Images
Classifications
-
- 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 utility model discloses a desalted water production system. The desalted water production system comprises an industrial water inlet, a pretreatment device, a cation exchanger, a decarbonization device, an anion exchanger, a primary mixed bed, a desalted water tank and a desalted water outlet which are sequentially, a primary desalted water tank, a reverse osmosis water supply pump, a security filter, a high-pressure pump, a reverse osmosis device, a reverse osmosis water producing tank and a fresh water pump are sequentially arranged on a connected pipeline between the anion exchanger and the primary mixed bed; and a polishing mixed bed is arranged on a connected pipeline between the primary mixed bed and a desalted water outlet. The desalted water production system not only can remove suspended matters, colloid, organic matters and cation and anion impurities in water, but also can effectively remove the total organic carbon in water, so that a generating set can safely and stably run for a long time.
Description
Technical field
The utility model relates to a kind of de-mineralized water production system, belongs to Treatment of Industrial Water field.
Background technology
According to research, show: if the TOC(total organic carbon in the middle of power station therrmodynamic system steam) too high levels, contain just like halogen sulphur, the heteroatoms materials such as phosphorus, after decomposition, produce strongly-acid material, can cause the corrosion of heat power equipment (as turbine blade), thereby affect the operation life of equipment.
In addition, because the TOC in steam can decompose, produce carbonic acid gas and organic acid, cause the rising of steam specific conductivity, make steam specific conductivity can not accurately reflect the situation of saltiness in steam, thereby affect the supervision to steam quality.Actual motion shows: the hydrogen conductivity of Boiler Steam can increase along with the rising of supplementary feed TOC content.
And conventionally the TOC content in the middle of steam is not had to mandatory provision and monitoring at present, conventional water treatment system equipment and technique just do not take into full account the removal of TOC yet, therefore for the steady running of generating set long-term safety, be necessary to develop a kind of new de-mineralized water production technique and system.
Traditional de-mineralized water production system is divided into following two kinds:
One, pretreatment unit-cation exchanger-carbon dioxide cleaner-anion exchanger-mixed bed-sweet-water tank.
Two, pretreatment unit-reverse osmosis unit (RO)-cation exchanger-carbon dioxide cleaner-anion exchanger-mixed bed-sweet-water tank.
Above-mentioned two kinds of desalination production systems that are widely adopted all do not arrange the device of removing TOC in water.Even if be provided with reverse osmosis unit (RO) in the second system, its major function is also pre-desalination, removes the positive and negative ionic impurity in water, reduces the desalination burden of follow-up ion-exchanger, the TOC content of system remain do not have guaranteed.
So traditional DW system demineralized water system all can not meet the requirement to the TOC generating set that there are strict requirements.
Utility model content
The purpose of this utility model is, a kind of de-mineralized water production system is provided, and it can either be removed and be suspended thing, colloid, organism and positive anionic impurity in water, can also effectively remove the total organic carbon in water, makes the generating set can long-term safety steady running.
The technical solution of the utility model: a kind of de-mineralized water production system, comprise the service water entrance, pretreatment unit, cation exchanger, carbon dioxide cleaner, anion exchanger, one-level mixed bed, sweet-water tank and the de-mineralized water outlet that by pipeline, are connected in turn, on the connecting pipeline between anion exchanger and one-level mixed bed, be provided with successively cartridge filter, high-pressure pump and reverse osmosis unit; Connecting pipeline between one-level mixed bed and de-mineralized water outlet is provided with polishing mixed bed.
In aforesaid de-mineralized water production system, described pretreatment unit adopts ultrafiltration apparatus, is also provided with ultrafiltration water tank and filtered water pump between described ultrafiltration apparatus and cation exchanger.
In aforesaid de-mineralized water production system, described pretreatment unit adopts more medium filter or activated charcoal filter.
In aforesaid de-mineralized water production system, between anion exchanger and cartridge filter, be provided with elementary sweet-water tank and reverse osmosis feedwater pump.
In aforesaid de-mineralized water production system, between reverse osmosis unit and one-level mixed bed, be provided with reverse osmosis produced water tank and fresh water pump.
In aforesaid de-mineralized water production system, described carbon dioxide cleaner is provided with de-carbon water tank, and de-carbon water tank is connected with anion exchanger by pipeline.
In aforesaid de-mineralized water production system, between service water entrance and pretreatment unit, be provided with self-cleaning filter.
Compared with prior art, the utility model is by pretreatment unit is set, and can effectively remove to be suspended thing, colloid and organism in water, reduces the pollution index of water; By cation exchanger, carbon dioxide cleaner, one-level mixed bed, polishing mixed bed and anion exchanger are set, can effectively remove the positive and negative ionic impurity in water.
By reverse osmosis unit is set in system, can effectively remove the total organic carbon in water, guarantee that generating set can long-term safety steady running.
Accompanying drawing explanation
Fig. 1 is de-mineralized water production system pie graph.
Being labeled as in accompanying drawing: 1-service water entrance, 2-cation exchanger, 3-carbon dioxide cleaner, 4-anion exchanger, 5-one-level mixed bed, 6-sweet-water tank, the outlet of 7-de-mineralized water, 8-ultrafiltration apparatus, 9-ultrafiltration water tank, 10-filtered water pump, the elementary sweet-water tank of 11-, 12-reverse osmosis feedwater pump, 13-cartridge filter, 14-high-pressure pump, 15-reverse osmosis unit, the reverse osmosis produced water tank of 16-, 17-fresh water pump, 18-polishing mixed bed, 19-pretreatment unit.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
Embodiment 1 of the present utility model: as shown in Figure 1, a kind of de-mineralized water production system, comprise the service water entrance 1, pretreatment unit 2, cation exchanger 3, carbon dioxide cleaner 4, anion exchanger 5, one-level mixed bed 6, sweet-water tank 7 and the de-mineralized water outlet 8 that by pipeline, are connected in turn, on the connecting pipeline between anion exchanger 5 and one-level mixed bed 6, be provided with successively cartridge filter 9, high-pressure pump 10 and reverse osmosis unit 11; Connecting pipeline between one-level mixed bed 6 and de-mineralized water outlet 8 is provided with polishing mixed bed 12.
Described pretreatment unit 2 adopts ultrafiltration apparatus, between described ultrafiltration apparatus and cation exchanger 3, is also provided with ultrafiltration water tank and filtered water pump.Pretreatment unit 2 adopts more medium filter.
Between anion exchanger 5 and cartridge filter 9, be provided with elementary sweet-water tank and reverse osmosis feedwater pump.Between reverse osmosis unit 11 and one-level mixed bed 6, be provided with reverse osmosis produced water tank and fresh water pump.Carbon dioxide cleaner 4 is provided with de-carbon water tank 13, and de-carbon water tank 13 is connected with anion exchanger 5 by pipeline.Between service water entrance 1 and pretreatment unit 2, be provided with self-cleaning filter 14.
Described pretreatment unit 2 adopts ultrafiltration apparatus, between described ultrafiltration apparatus and cation exchanger 3, is also provided with ultrafiltration water tank and filtered water pump.Pretreatment unit 2 adopts activated charcoal filter.
Between anion exchanger 5 and cartridge filter 9, be provided with elementary sweet-water tank and reverse osmosis feedwater pump.Between reverse osmosis unit 11 and one-level mixed bed 6, be provided with reverse osmosis produced water tank and fresh water pump.Carbon dioxide cleaner 4 is provided with de-carbon water tank 13, and de-carbon water tank 13 is connected with anion exchanger 5 by pipeline.Between service water entrance 1 and pretreatment unit 2, be provided with self-cleaning filter 14.
Principle of work of the present utility model: industrial water is sent into pretreatment unit 2 by service water entrance 1, be suspended thing, colloid and organism in the interior removal water of pretreatment unit 2, reduce the pollution index of water; Through pretreatment unit 2 water after treatment, first flowing into ultrafiltration water tank stores, and then send into cation exchanger 3 by filtered water pump, then water is passed through to carbon dioxide cleaner 4, de-carbon water tank and anion exchanger 5 successively, remove the most of positive and negative ionic impurity in water; Through anion exchanger 5 water after treatment, first flow into elementary sweet-water tank and store, and then by reverse osmosis feedwater pump, water is sent into cartridge filter 9; Then by high-pressure pump 10, water is sent into reverse osmosis unit 11, in interior further removal anion exchanger 5 water outlets of reverse osmosis unit 11, the leachable of remaining positive and negative ionic impurity and positive and negative resin is removed the total organic carbon in water simultaneously; Through reverse osmosis unit 11 water after treatment, first flow into reverse osmosis produced water tank and store, and then by fresh water pump, water is sent into one-level mixed bed 6, through one-level mixed bed 6, further purify water, remove remaining positive and negative ionic impurity in water; Finally by polishing mixed bed 12, remove remaining positive and negative resin leachable and total organic carbon in water, water after treatment exports 8 by de-mineralized water and sends into sweet-water tank 7.Pretreatment unit 2 adopts ultrafiltration apparatus.The interior employing core of polishing mixed bed 12 level polishing resin.
Claims (7)
1. a de-mineralized water production system, comprise the service water entrance (1), pretreatment unit (2), cation exchanger (3), carbon dioxide cleaner (4), anion exchanger (5), one-level mixed bed (6), sweet-water tank (7) and the de-mineralized water outlet (8) that by pipeline, are connected in turn, it is characterized in that: on the connecting pipeline between anion exchanger (5) and one-level mixed bed (6), be provided with successively cartridge filter (9), high-pressure pump (10) and reverse osmosis unit (11); Connecting pipeline between one-level mixed bed (6) and de-mineralized water outlet (8) is provided with polishing mixed bed (12).
2. de-mineralized water production system according to claim 1, is characterized in that: described pretreatment unit (2) adopts ultrafiltration apparatus, and described ultrafiltration apparatus and cation exchanger are also provided with ultrafiltration water tank and filtered water pump between (3).
3. de-mineralized water production system according to claim 1, is characterized in that: described pretreatment unit (2) adopts more medium filter or activated charcoal filter.
4. according to the de-mineralized water production system described in claim 1 or 2 or 3, it is characterized in that: between anion exchanger (5) and cartridge filter (9), be provided with elementary sweet-water tank and reverse osmosis feedwater pump.
5. de-mineralized water production system according to claim 4, is characterized in that: between reverse osmosis unit (11) and one-level mixed bed (6), be provided with reverse osmosis produced water tank and fresh water pump.
6. de-mineralized water production system according to claim 5, is characterized in that: described carbon dioxide cleaner (4) is provided with de-carbon water tank (13), and de-carbon water tank (13) is connected with anion exchanger (5) by pipeline.
7. de-mineralized water production system according to claim 1, is characterized in that: between service water entrance (1) and pretreatment unit (2), be provided with self-cleaning filter (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320635666.5U CN203558929U (en) | 2013-10-15 | 2013-10-15 | Desalted water production system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320635666.5U CN203558929U (en) | 2013-10-15 | 2013-10-15 | Desalted water production system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203558929U true CN203558929U (en) | 2014-04-23 |
Family
ID=50508661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320635666.5U Expired - Lifetime CN203558929U (en) | 2013-10-15 | 2013-10-15 | Desalted water production system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203558929U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104355450A (en) * | 2014-11-12 | 2015-02-18 | 赵文勇 | High-salinity wastewater grading recycling process |
| CN114314894A (en) * | 2021-11-26 | 2022-04-12 | 大唐渭南热电有限公司 | Demineralized water production and conveying system of thermal power plant |
-
2013
- 2013-10-15 CN CN201320635666.5U patent/CN203558929U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104355450A (en) * | 2014-11-12 | 2015-02-18 | 赵文勇 | High-salinity wastewater grading recycling process |
| CN114314894A (en) * | 2021-11-26 | 2022-04-12 | 大唐渭南热电有限公司 | Demineralized water production and conveying system of thermal power plant |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100035 Beijing City, Xicheng District Xizhimen Avenue 273 Huadian Engineering building B block 503 Patentee after: CHINA HUADIAN ENGINEERING Co.,Ltd. Patentee after: HUADIAN WATER ENGINEERING Co.,Ltd. Address before: 100035 Beijing City, Xicheng District Xizhimen Avenue 273 Huadian Engineering building B block 503 Patentee before: China Huadian Engineering (Group) Co.,Ltd. Patentee before: HUADIAN WATER ENGINEERING Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180523 Address after: 100070 313, room 2, 9 Haiying Road, Science City, Fengtai District, Beijing. Patentee after: HUADIAN WATER ENGINEERING Co.,Ltd. Address before: 100035 B block 503, Huadian Power Engineering building, 273 Xizhimen inner street, Xicheng District, Beijing. Co-patentee before: HUADIAN WATER ENGINEERING Co.,Ltd. Patentee before: CHINA HUADIAN ENGINEERING Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140423 |