CN111392935A - Mineralization device in double-membrane seawater desalination process - Google Patents
Mineralization device in double-membrane seawater desalination process Download PDFInfo
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- CN111392935A CN111392935A CN202010180353.XA CN202010180353A CN111392935A CN 111392935 A CN111392935 A CN 111392935A CN 202010180353 A CN202010180353 A CN 202010180353A CN 111392935 A CN111392935 A CN 111392935A
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- water
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- 238000010612 desalination reaction Methods 0.000 title claims abstract description 21
- 239000013535 sea water Substances 0.000 title claims abstract description 21
- 230000033558 biomineral tissue development Effects 0.000 title claims abstract description 20
- 239000012528 membrane Substances 0.000 title claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 91
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 76
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 42
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 28
- 238000001914 filtration Methods 0.000 claims abstract description 28
- 230000001954 sterilising effect Effects 0.000 claims abstract description 28
- 239000003651 drinking water Substances 0.000 claims abstract description 26
- 238000003860 storage Methods 0.000 claims abstract description 25
- 235000020188 drinking water Nutrition 0.000 claims abstract description 24
- 238000006243 chemical reaction Methods 0.000 claims abstract description 15
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 13
- 239000000645 desinfectant Substances 0.000 claims abstract description 10
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 9
- 238000005070 sampling Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 6
- 230000002421 anti-septic effect Effects 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 235000020682 bottled natural mineral water Nutrition 0.000 abstract description 2
- 230000035622 drinking Effects 0.000 abstract description 2
- 229910052712 strontium Inorganic materials 0.000 abstract description 2
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 abstract description 2
- 235000013619 trace mineral Nutrition 0.000 abstract description 2
- 239000011573 trace mineral Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000001089 mineralizing effect Effects 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 235000010755 mineral Nutrition 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000001223 reverse osmosis Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/08—Seawater, e.g. for desalination
Abstract
A mineralization device in a double-membrane seawater desalination process comprises a CO2 control system, a reaction system, a filtering and sterilizing system, a water inlet system and a drinking water storage tank. CO2 control system, filtration and sterilization system, water inlet system link to each other with reaction system respectively, filtration and sterilization system link to each other with the drinking water storage tank. The CO2 control system comprises a pressure stabilizing system, a carbon dioxide pressure reducing valve, a carbon dioxide inlet valve and a first pressure sensor. The reaction system comprises a mixer, a packed tower and a disinfectant storage tank. The water inlet system comprises a raw water pump, a raw water inlet valve, a temperature transmitter and a first electric conduction transmitter. The filtering and sterilizing system comprises a filter and an ultraviolet sterilizing device. The invention has high production efficiency, high product water hardness, meets the requirement of drinking water, and the content of precipitated trace element strontium reaches the standard of drinking natural mineral water.
Description
Technical Field
The invention belongs to the technical field of seawater desalination, and particularly relates to a mineralization device in a double-membrane seawater desalination process.
Background
In the double-membrane seawater desalination method, the produced water after the reverse osmosis desalination process has low mineral content, can generate adverse effects on human bodies after being drunk for a long time, and can corrode a water conveying pipeline to generate red water. Therefore, the reverse osmosis water production needs to be added with a mineralization process to improve the mineral content and alkalinity, so that the produced water meets the standard of drinking water and is not corrosive. In the process of filling filler in the existing mineralizing device, other substances easily enter the mineralizing process, and the mineralized produced water is generally directly fed into a water product pool and then supplied with water, so that the quality of the finally produced water is greatly influenced. In addition, the existing mineralizing device needs different chemical cleaning devices besides the problem of consumable materials, and the system is complex. The double-membrane seawater desalination technology provided by the prior art solves the problems of long process flow, complex operation and high energy consumption, but has strict requirements on seawater turbidity and suspended matter concentration.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a mineralization device in a double-membrane seawater desalination process. The device produces water and has good mineralization effect, high production efficiency, high product water hardness, lower cost and good economical efficiency, and meets the requirements of drinking water.
The invention adopts the following technical scheme:
a mineralization device in a double-membrane seawater desalination process comprises a CO2 control system, a reaction system, a filtering and sterilizing system, a water inlet system and a drinking water storage tank.
CO2 control system, filtration and sterilization system, water inlet system link to each other with reaction system respectively, filtration and sterilization system link to each other with the drinking water storage tank.
The CO2 control system comprises a pressure stabilizing system, a carbon dioxide pressure reducing valve, a carbon dioxide inlet valve and a first pressure sensor.
The pressure stabilizing system is connected with the carbon dioxide pressure reducing valve and the carbon dioxide air inlet valve through pipelines; and the carbon dioxide air inlet valve is connected with the first pressure sensor through a pipeline.
The reaction system comprises a mixer, a packed tower and a disinfectant storage tank.
The mixer is connected with the packed tower through a pipeline.
The mixer is connected with the carbon dioxide inlet valve through a pipeline.
The packed tower is connected with a turbidity sensor, a pH value sensor II, a conductance transmitter II, a sampling port II and a concentrated discharge valve through pipelines.
The disinfectant storage tank is connected with a metering pump through a pipeline, and the metering pump is connected with the mixer through a pipeline. A disinfectant liquid inlet valve is arranged between the metering pump and the mixer.
The water inlet system comprises a raw water pump, a raw water inlet valve, a temperature transmitter and a first electric conduction transmitter.
The raw water pump is connected with a raw water inlet valve through a pipeline. The raw water inlet valve is connected with the mixer through a pipeline.
And a temperature transmitter and a first electric conductor are connected between the raw water pump and the raw water inlet valve.
And a second pressure sensor and a flow sensor are arranged between the mixer and the raw water inlet valve.
The filtering and sterilizing system comprises a filter and an ultraviolet sterilizing device.
The two ends of the filter are respectively connected with a filtering water inlet valve and a filtering water outlet valve through pipelines.
And two ends of the ultraviolet sterilization device are respectively connected with an ultraviolet water inlet valve and an ultraviolet water outlet valve through pipelines.
The filter is connected with a filtering side branch valve through a pipeline. The ultraviolet sterilization device is connected with an ultraviolet bypass valve through a pipeline. The ultraviolet bypass valve is communicated with the filtering bypass valve through a pipeline.
And a water outlet valve is arranged at the outlet of the packed tower and connected with the filter through a pipeline.
The ultraviolet water outlet valve is connected with the drinking water storage tank through a pipeline.
Furthermore, a first sampling port and a first pH value sensor are arranged between the mixer and the packed tower.
Furthermore, a third sampling port is arranged between the ultraviolet water outlet valve and the drinking water storage tank.
Furthermore, a drinking water drain valve is arranged on the water outlet pipeline of the drinking water storage tank.
The invention has the beneficial effects that: the device has the advantages of good mineralization effect of produced water, low cost and good economical efficiency. The addition of carbon dioxide can be effectively controlled using an automated program. The equipment can be self-cleaned according to the program setting, and the normal operation of the equipment is ensured. The production efficiency is high, the water hardness of the product is high, the requirement of drinking water is met, and the precipitation content of the trace element strontium reaches the standard of drinking natural mineral water.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of a CO2 control system;
FIG. 3 is a schematic diagram of the reaction system and water inlet system;
fig. 4 is a schematic diagram of a filtration and sterilization system.
Reference numerals: 1-CO2 control system, 1-1-pressure stabilizing system, 1-2-carbon dioxide pressure reducing valve, 1-3-carbon dioxide inlet valve I, 1-4-carbon dioxide inlet valve II, 1-5-pressure sensor I, 2-reaction system, 2-1-mixer I, 2-2-mixer II, 2-3-packed tower I, 2-4-packed tower II, 2-5-disinfectant inlet valve, 2-6-metering pump, 2-7-pressure sensor II, 2-8-flow sensor, 2-9-PH value sensor I, 2-10-turbidity sensor, 2-11-PH value sensor II, 2-12-conductance transmitter II, 2-13-a first sampling port, 2-14-a second sampling port, 2-15-a concentrated discharge valve, 2-16-a disinfectant storage tank, 3-a filtering and sterilizing system, 3-1-a filter, 3-2-an ultraviolet sterilizing device, 3-3-a third sampling port, 3-4-a filtering side branch valve, 3-5-an ultraviolet side branch valve, 3-6-a filtering water inlet valve, 3-7-a filtering water outlet valve, 3-8-an ultraviolet water inlet valve, 3-9-an ultraviolet water outlet valve, a 4-a water inlet system, a 4-1-raw water pump, a first 4-2-raw water inlet valve, a second 4-3-raw water inlet valve, a 4-4-a temperature transmitter and a first 4-5-a conductivity transmitter, 5-drinking water storage tank, 6-drinking water drain valve and 7-water outlet valve.
Detailed Description
For the convenience of understanding, the technical scheme of the invention is further described in detail by embodiments with reference to the attached drawings:
as shown in fig. 1-4, a mineralization device in a double-membrane seawater desalination process comprises a CO2 control system 1, a reaction system 2, a filtration and sterilization system 3, a water inlet system 4 and a drinking water storage tank 5.
The CO2 control system 1 and the water inlet system 4 are both connected with the reaction system 2, the reaction system 2 is connected with the filtering and sterilizing system 3, and the filtering and sterilizing system 3 is connected with the drinking water storage tank 5.
The CO2 control system 1 comprises a pressure stabilizing system 1-1, a carbon dioxide pressure reducing valve 1-2, a carbon dioxide inlet valve I1-3, a carbon dioxide inlet valve II 1-4 and a pressure sensor I1-5.
The pressure stabilizing system 1-1 is connected with a carbon dioxide pressure reducing valve 1-2 through a pipeline; the pressure stabilizing system 1-1 is connected with a carbon dioxide air inlet valve I1-3 and a carbon dioxide air inlet valve II 1-4 through pipelines; the first carbon dioxide inlet valves 1-3 and the second carbon dioxide inlet valves 1-4 are connected with pressure sensors 1-5 through pipelines.
The reaction system 2 comprises a first mixer 2-1, a second mixer 2-2, a first packed tower 2-3, a second packed tower 2-4 and a disinfectant storage tank 2-16.
The mixer I2-1 is connected with the packed tower I2-3 through a pipeline; the mixer II 2-2 is connected with the packed tower II 2-4 through a pipeline; a sampling port I2-13 and a PH value sensor I2-9 are arranged between the mixer I2-1 and the packed tower I2-3 and between the mixer II 2-2 and the packed tower II 2-4.
The mixer I2-1 is connected with a carbon dioxide inlet valve I1-3 through a pipeline; the second mixer 2-2 is connected with the second carbon dioxide inlet valve 1-4 through a pipeline.
The packed tower I2-3 and the packed tower II 2-4 are connected with a turbidity sensor 2-10, a pH value sensor II 2-11, a conductance transmitter II 2-12, a sampling port II 2-14 and a concentrated discharge valve 2-15 through pipelines.
The disinfectant storage tank 2-16 is connected with two metering pumps 2-6 through pipelines; the two metering pumps 2-6 are respectively connected with the first mixer 2-1 and the second mixer 2-2 through pipelines. A disinfectant inlet valve 2-5 is arranged between the metering pump 2-6 and the mixer I2-1 and between the metering pump 2-6 and the mixer II 2-2.
The water inlet system 4 comprises a raw water pump 4-1, a raw water inlet valve I4-2, a raw water inlet valve II 4-3, a temperature transmitter 4-4 and a conductivity transmitter I4-5.
The raw water pump 4-1 is connected with a raw water inlet valve I4-2 and a raw water inlet valve II 4-3 through pipelines. The raw water inlet valve I4-2 and the raw water inlet valve II 4-3 are respectively connected with the mixer I2-1 and the mixer II 2-2 through pipelines.
A temperature transmitter 4-4 and a conductance transmitter 4-5 are connected between the raw water pump 4-1 and the raw water inlet valve I4-2/the raw water inlet valve II 4-3.
A pressure sensor II 2-7 and a flow sensor II 2-8 are arranged between the mixer I2-1 and the raw water inlet valve I4-2 and between the mixer II 2-2 and the raw water inlet valve II 4-3.
The filtering and sterilizing system 3 includes a filter 3-1 and an ultraviolet sterilizing device 3-2.
Two ends of the filter 3-1 are respectively connected with a filtering water inlet valve 3-6 and a filtering water outlet valve 3-7 through pipelines.
Two ends of the ultraviolet sterilizing device 3-2 are respectively connected with an ultraviolet water inlet valve 3-8 and an ultraviolet water outlet valve 3-9 through pipelines.
The filter 3-1 is connected with a filter bypass valve 3-4 through a pipeline. The ultraviolet sterilization device 3-2 is connected with an ultraviolet bypass valve 3-5 through a pipeline. The ultraviolet bypass valve 3-5 is communicated with the filtering bypass valve 3-4 through a pipeline.
And water outlet valves 7 are arranged at the outlets of the first packed tower 2-3 and the second packed tower 2-4, and the water outlet valves 7 are connected with the filter 3-1 through pipelines.
The ultraviolet water outlet valve 3-9 is connected with the drinking water storage tank 5 through a pipeline, and a sampling port III 3-3 is arranged between the ultraviolet water outlet valve 3-9 and the drinking water storage tank 5.
A drinking water drain valve 6 is arranged on the water outlet pipeline of the drinking water storage tank 5.
The above embodiments are merely illustrative or explanatory of the technical solution of the present invention and should not be construed as limiting the technical solution of the present invention, and it is apparent that various modifications and variations can be made by those skilled in the art without departing from the spirit and scope of the present invention. The present invention also encompasses these modifications and variations provided they come within the scope of the claims and their equivalents.
Claims (10)
1. The utility model provides a mineralize mineralization device among two membrane process sea water desalination processes, includes CO2 control system, reaction system, filters and sterilization system, water intake system and drinking water storage tank, CO2 control system, filtration and sterilization system, water intake system link to each other with reaction system respectively, it links to each other with the drinking water storage tank to filter and sterilization system.
2. The mineralization device in the double-membrane seawater desalination process of claim 1, wherein: the CO2 control system comprises a pressure stabilizing system, a carbon dioxide pressure reducing valve, a carbon dioxide inlet valve and a first pressure sensor.
3. The mineralization device in the double-membrane seawater desalination process of claim 2, wherein: the reaction system comprises a mixer, a packed tower and a disinfectant storage tank.
4. The mineralization device in the double-membrane seawater desalination process of claim 3, wherein: the water inlet system comprises a raw water pump, a raw water inlet valve, a temperature transmitter and a first electric conduction transmitter.
5. The mineralization device in the double-membrane seawater desalination process of claim 4, wherein: the filtering and sterilizing system comprises a filter and an ultraviolet sterilizing device.
6. The mineralization device in the double-membrane seawater desalination process of claim 5, wherein: the pressure stabilizing system is connected with the carbon dioxide pressure reducing valve and the carbon dioxide air inlet valve through pipelines, and the carbon dioxide air inlet valve is connected with the first pressure sensor through a pipeline.
7. The mineralization device in the double-membrane seawater desalination process of claim 6, wherein: the mixer passes through the pipeline and links to each other with the packed tower, the mixer passes through the pipeline and links to each other with the carbon dioxide admission valve, the packed tower has turbidity sensor, PH value sensor two, conductance transmitter two, sample connection two and thick valve of arranging through the pipe connection, the antiseptic solution bin has the measuring pump through the pipe connection, the measuring pump passes through the pipeline and links to each other with the mixer, be provided with antiseptic solution water intaking valve between measuring pump and the mixer.
8. The mineralization device in the double-membrane seawater desalination process of claim 7, wherein: the raw water pump is connected with a raw water inlet valve through a pipeline, the raw water inlet valve is connected with a mixer through a pipeline, a temperature transmitter and a first conductivity transmitter are connected between the raw water pump and the raw water inlet valve, and a second pressure sensor and a flow sensor are arranged between the mixer and the raw water inlet valve.
9. The mineralization device in the double-membrane seawater desalination process of claim 8, wherein: the two ends of the filter are respectively connected with a filtering water inlet valve and a filtering water outlet valve through pipelines, the two ends of the ultraviolet sterilization device are respectively connected with an ultraviolet water inlet valve and an ultraviolet water outlet valve through pipelines, a water outlet valve is arranged at the outlet of the packed tower and connected with the filter through a pipeline, and the ultraviolet water outlet valve is connected with a drinking water storage tank through a pipeline.
10. The mineralization device in the double-membrane seawater desalination process of claim 9, wherein: a sampling port III is arranged between the ultraviolet outlet valve and the drinking water storage box, and a drinking water drain valve is arranged on an outlet pipeline of the drinking water storage box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010180353.XA CN111392935A (en) | 2020-03-16 | 2020-03-16 | Mineralization device in double-membrane seawater desalination process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010180353.XA CN111392935A (en) | 2020-03-16 | 2020-03-16 | Mineralization device in double-membrane seawater desalination process |
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| Publication Number | Publication Date |
|---|---|
| CN111392935A true CN111392935A (en) | 2020-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010180353.XA Pending CN111392935A (en) | 2020-03-16 | 2020-03-16 | Mineralization device in double-membrane seawater desalination process |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1233594A (en) * | 1999-04-09 | 1999-11-03 | 童继伟 | Method for producing purified and mineralizd water |
| CN101050038A (en) * | 2007-03-29 | 2007-10-10 | 陶韬 | Technique for treating purification in the late stage of seawater desalination |
| WO2009081428A1 (en) * | 2007-12-21 | 2009-07-02 | Simona Berger | Apparatus and process for mineralizing liquids |
| CN102826689A (en) * | 2012-09-18 | 2012-12-19 | 杭州水处理技术研究开发中心有限公司 | Post-treatment process and equipment of desalted seawater |
| CN206156924U (en) * | 2016-08-31 | 2017-05-10 | 杭州上拓环境科技股份有限公司 | Novel multi -functional mineralize mineralization water purification unit |
| CN208829429U (en) * | 2018-07-17 | 2019-05-07 | 青岛百发海水淡化有限公司 | It is a kind of can output be rich in different minerals matter desalination water mineralization device |
-
2020
- 2020-03-16 CN CN202010180353.XA patent/CN111392935A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1233594A (en) * | 1999-04-09 | 1999-11-03 | 童继伟 | Method for producing purified and mineralizd water |
| CN101050038A (en) * | 2007-03-29 | 2007-10-10 | 陶韬 | Technique for treating purification in the late stage of seawater desalination |
| WO2009081428A1 (en) * | 2007-12-21 | 2009-07-02 | Simona Berger | Apparatus and process for mineralizing liquids |
| CN102826689A (en) * | 2012-09-18 | 2012-12-19 | 杭州水处理技术研究开发中心有限公司 | Post-treatment process and equipment of desalted seawater |
| CN206156924U (en) * | 2016-08-31 | 2017-05-10 | 杭州上拓环境科技股份有限公司 | Novel multi -functional mineralize mineralization water purification unit |
| CN208829429U (en) * | 2018-07-17 | 2019-05-07 | 青岛百发海水淡化有限公司 | It is a kind of can output be rich in different minerals matter desalination water mineralization device |
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Application publication date: 20200710 |
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