CN211394146U - Two-stage reverse osmosis device - Google Patents
Two-stage reverse osmosis device Download PDFInfo
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- CN211394146U CN211394146U CN201922188661.2U CN201922188661U CN211394146U CN 211394146 U CN211394146 U CN 211394146U CN 201922188661 U CN201922188661 U CN 201922188661U CN 211394146 U CN211394146 U CN 211394146U
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- reverse osmosis
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- pressure pump
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- 238000001223 reverse osmosis Methods 0.000 title claims abstract description 92
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 118
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 46
- 239000006004 Quartz sand Substances 0.000 claims abstract description 22
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 22
- 230000008676 import Effects 0.000 claims abstract description 16
- 230000001954 sterilising effect Effects 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 6
- 239000012498 ultrapure water Substances 0.000 claims description 5
- 239000008399 tap water Substances 0.000 claims description 2
- 235000020679 tap water Nutrition 0.000 claims description 2
- 230000009977 dual effect Effects 0.000 claims 3
- 150000003839 salts Chemical class 0.000 abstract description 6
- 239000002351 wastewater Substances 0.000 abstract description 4
- 239000012528 membrane Substances 0.000 description 10
- 238000004659 sterilization and disinfection Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 239000000084 colloidal system Substances 0.000 description 6
- 239000012535 impurity Substances 0.000 description 6
- 239000003814 drug Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 3
- 239000003957 anion exchange resin Substances 0.000 description 3
- 239000003729 cation exchange resin Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 238000010612 desalination reaction Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003204 osmotic effect Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 230000029219 regulation of pH Effects 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 206010024796 Logorrhoea Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000006298 dechlorination reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004332 deodorization Methods 0.000 description 1
- 230000000249 desinfective effect Effects 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000012527 feed solution Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 238000010525 oxidative degradation reaction Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Separation Using Semi-Permeable Membranes (AREA)
- Physical Water Treatments (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The utility model relates to a reverse osmosis equipment technical field discloses a doublestage reverse osmosis unit, including the raw water tank, the booster pump, quartz sand filter, activated carbon filter, precision filter, one-level RO high-pressure pump, the reverse osmosis subassembly, pure water pump, mix a device, ultraviolet lamp and pipeline degerming filter core, the water inlet and the water pipe intercommunication of raw water tank, through the pipeline intercommunication between the delivery port of raw water tank and the water inlet of booster pump, through the pipeline intercommunication between the delivery port of booster pump and the import of quartz sand filter, through the pipeline intercommunication between the export of quartz sand filter and the import of first activated carbon filter, through the pipeline intercommunication between the export of activated carbon filter and the import of precision filter, through the pipeline intercommunication between the export of precision filter and the import of one-level RO high-pressure pump. The utility model discloses can carry out reverse osmosis treatment to containing salt waste water, not only can pollution abatement, can also the water economy resource.
Description
Technical Field
The utility model relates to a reverse osmosis equipment technical field especially relates to a doublestage reverse osmosis unit.
Background
Reverse osmosis, also known as reverse osmosis, is a membrane separation operation that uses a pressure differential as a driving force to separate a solvent from a solution by applying a pressure to the feed solution on one side of the membrane, and when the pressure exceeds its osmotic pressure, the solvent will reverse osmosis against the direction of natural osmosis. Because the membrane aperture of the RO membrane is very small, dissolved salts, colloids, microorganisms, organic matters and the like in water can be effectively removed. The fields of petrochemical industry, coal chemical industry, electric power, steel and seawater desalination and the like can produce a large amount of salt-containing wastewater, the discharge between the fields not only pollutes the environment, but also causes the waste of water resources, and therefore, the research on reverse osmosis device has important significance in reverse osmosis treatment of the salt-containing wastewater.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide a two-stage reverse osmosis device, which can reduce the pollution and save water resources by performing reverse osmosis treatment on salt-containing wastewater.
The utility model discloses a following technical scheme realizes: a double-stage reverse osmosis device comprises a raw water tank, a booster pump, a quartz sand filter, an activated carbon filter, a precision filter, a one-stage RO high-pressure pump, a reverse osmosis component, a pure water pump, a mixed bed device, an ultraviolet lamp and a pipeline sterilization filter element, wherein the water inlet of the raw water tank is communicated with a tap water pipe, the water outlet of the raw water tank is communicated with the water inlet of the booster pump through a pipeline, the water outlet of the booster pump is communicated with the inlet of the quartz sand filter through a pipeline, the outlet of the quartz sand filter is communicated with the inlet of the first activated carbon filter through a pipeline, the outlet of the activated carbon filter is communicated with the inlet of the precision filter through a pipeline, the outlet of the precision filter is communicated with the inlet of the one-stage RO high-pressure pump through a pipeline, the reverse osmosis component is arranged between the outlet, the outlet of the pure water pump is communicated with the inlet of the mixed bed device through a pipeline, the outlet of the mixed bed device is communicated with the inlet of the pipeline sterilization filter element, the ultraviolet lamp is arranged between the mixed bed device and the pipeline sterilization filter element, and the outlet of the pipeline sterilization filter element is communicated with a high-purity water circulation pipe network.
Further, the reverse osmosis subassembly includes one-level reverse osmosis system, second grade RO high-pressure pump, second grade reverse osmosis system and pure water case, communicate through the pipeline between one-level reverse osmosis system's the import and the export of one-level RO high-pressure pump, communicate through the pipeline between one-level reverse osmosis system's the export and the import of second grade RO high-pressure pump, communicate through the pipeline between second grade RO high-pressure pump's the export and the import of second grade reverse osmosis system, second grade reverse osmosis system's import still communicates with the water pipe, communicate through the pipeline between second grade reverse osmosis system's the export and the inlet of pure water case, communicate through the pipeline between the export of pure water case and the import of pure water pump.
Furthermore, a PH dosing device is communicated between the outlet of the first-stage reverse osmosis system and the inlet of the second-stage RO high-pressure pump.
Furthermore, a scale remover dosing device is communicated between the activated carbon filter and the precision filter.
Furthermore, manual ball valves are arranged between pipelines of the raw water tank and the booster pump, between pipelines of the booster pump and the quartz sand filter, between pipelines of the precision filter and the first-stage RO high-pressure pump, between pipelines of the first-stage RO high-pressure pump and the first-stage reverse osmosis system, between pipelines of the first-stage reverse osmosis system and the second-stage RO high-pressure pump, between pipelines of the pure water tank and the pure water pump, and between pipelines of the pure water pump and the mixed bed device.
Compared with the prior art, the beneficial effects of the utility model reside in that: the two-stage reverse osmosis device of the utility model utilizes the booster pump to sequentially convey the raw water to the quartz sand filter and the activated carbon filter, and impurities, particles, silt, suspended matters, colloid and the like in the raw water are filtered in the quartz sand filter, so that the turbidity of the raw water is reduced, and the water is clarified; the residual chlorine that can't get rid of in adsorbing the preceding stage filtration in order to prevent that back level reverse osmosis membrane from receiving its oxidative degradation in the activated carbon filter, further get rid of remaining mechanical impurity in the raw water in the precision filter, garrulous resin etc., this in-process adds the detergent again, be used for preventing the membrane scale deposit in the subsequent reverse osmosis subassembly, it carries out pH regulation to need to add the medicine through pH charge device at the in-process that one-level reverse osmosis system got into second level reverse osmosis system, carry out desalination treatment to water liquid in reverse osmosis system, the water that comes out from reverse osmosis gets into the pure water tank and stores, then get into the mixed bed device through the pure water pump, the disinfection of disinfecting is carried out to rethread ultraviolet lamp, finally, the clean water that obtains after the pipeline degerming filter core gets into high pure water circulation pipe network.
Drawings
Fig. 1 is a schematic structural view of a two-stage reverse osmosis device of the present invention;
FIG. 2 is a schematic view of the utility model after the reverse osmosis component, the pure water pump, the mixed bed device, the ultraviolet lamp and the pipeline sterilization filter element are removed;
FIG. 3 is a schematic view of the connection of the pure water pump, the mixed bed device, the ultraviolet lamp and the pipeline sterilization filter element;
fig. 4 is a schematic connection diagram of the reverse osmosis module of the present invention.
In the figure: 1. a raw water tank; 2. a booster pump; 3. a quartz sand filter; 4. an activated carbon filter; 5. a scale remover dosing device; 6. a precision filter; 7. a first-stage RO high-pressure pump; 8. a first-stage reverse osmosis system; 9. a PH dosing device; 10. a secondary RO high-pressure pump; 11. a secondary reverse osmosis system; 12. a pure water tank; 13. a pure water pump; 14. a mixed bed device; 15. an ultraviolet lamp; 16. pipeline degerming filter core.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.
Example 1
As shown in fig. 1 to 4, the utility model discloses a doublestage reverse osmosis unit, including raw water tank 1, booster pump 2, quartz sand filter 3, activated carbon filter 4, precision filter 6, one-level RO high-pressure pump 7, reverse osmosis subassembly, pure water pump 13, mix bed device 14, ultraviolet lamp 15 and pipeline degerming filter core 16, raw water tank 1's water inlet and water pipe intercommunication, through the pipeline intercommunication between raw water tank 1's the delivery port and booster pump 2's the water inlet, raw water tank 1 is used for storing the raw water, it is even to guarantee the system flow, it is furnished with height liquid level switch to be furnished with in it, can the automatic control moisturizing situation, the water tank of the preferred plastics material of raw water tank 1, for example PE material water tank, its capacity is greater than 500L. The water outlet of the booster pump 2 is communicated with the inlet of the quartz sand filter 3 through a pipeline, and the booster pump 2 is used for providing flow and pressure required by subsequent treatment equipment. The outlet of the quartz sand filter 3 is communicated with the inlet of the activated carbon filter 4 through a pipeline, the quartz sand filter 3 is important reverse osmosis component pretreatment equipment, and raw water with higher turbidity passes through granular materials with certain thickness under certain pressure by utilizing a filter medium, so that suspended impurities are effectively removed to clarify water, and the quartz sand filter has the functions of filtering impurities, particles, silt, suspended matters, colloid and the like in the raw water and reducing the turbidity of the raw water.
The outlet of the activated carbon filter 4 is communicated with the inlet of the precision filter 6 through a pipeline, and the activated carbon is widely applied to industrial water treatment equipment and mainly used for purification, dechlorination and deodorization. The activated carbon filter 4 in the design is used for adsorbing residual chlorine which cannot be removed in the preceding stage filtration so as to prevent the subsequent stage reverse osmosis membrane from being oxidized and degraded, and simultaneously adsorbing polluting substances such as micromolecular organic matters leaked from the preceding stage, has obvious adsorption and removal effects on peculiar smell, colloid, pigment, heavy metal ions and the like in water, and also has the effect of reducing COD. And a descaling agent dosing device 5 is communicated between the activated carbon filter 4 and the precision filter 6, and the medicament stored in the descaling agent dosing device 5 is a descaling agent which can prevent the subsequent reverse osmosis assembly from scaling. The outlet of the precision filter 6 is communicated with the inlet of the first-stage RO high-pressure pump 7 through a pipeline, raw water is pre-filtered and then treated through the precision filter 6, and residual mechanical impurities, broken resin and the like in the raw water are further removed, so that the water to be treated of the reverse osmosis component completely conforms to the water inlet condition of the membrane, and the normal operation of the reverse osmosis component is ensured. The reverse osmosis assembly is arranged between the outlet of the first-stage RO high-pressure pump 7 and the inlet of the pure water pump 13, the first-stage RO high-pressure pump 7 is used for reverse osmosis desalination, the outside must apply pressure larger than the osmotic pressure of the solution, and the first-stage RO high-pressure pump 7 can provide enough inlet water quantity and pressure for the reverse osmosis assembly so as to enable the reverse osmosis process to occur and maintain the normal operation of the reverse osmosis process.
The outlet of the pure water pump 13 is communicated with the inlet of the mixed bed device 14 through a pipeline, and the pure water pump 13 can provide stable water quantity and pressure for each water consumption point. The outlet of the mixed bed device 14 is communicated with the inlet of the pipeline sterilizing filter element 16, the mixed bed means that water passes through a system filled with a hydrogen type cation exchange resin and a hydrogen oxygen type anion exchange resin, the hydrogen type cation exchange resin is used for removing cations in the water, and the hydrogen oxygen type anion exchange resin is used for removing anions in the water. The mixed bed apparatus 14 uses an existing mixed bed apparatus of type BS-13-2E, which is loaded with a strong acid cation exchange resin and a strong base anion exchange resin for substantially removing mineral salts from water. The ultraviolet lamp 15 sets up between mixed bed device 14 and pipeline degerming filter core 16, and the ultraviolet ray that ultraviolet sterilization's effect was given off through the mercury lamp pierces through the cell wall of bacterium, kills the bacterium of aquatic, and ultraviolet lamp 15 uses UV fluorescent tube high pressure mercury lamp, provides reliable assurance for producing high-quality qualified water. The outlet of the pipeline degerming filter element 16 is communicated with a high-purity water circulation pipe network, so that magazines, harmful bacteria and microorganisms in the air are prevented from entering the high-purity water circulation pipe network.
The reverse osmosis subassembly includes one-level reverse osmosis system 8, second grade RO high-pressure pump 10, second grade reverse osmosis system 11 and pure water case 12, communicate through the pipeline between the import of one-level reverse osmosis system 8 and the export of one-level RO high-pressure pump 7, one-level RO high-pressure pump 7 is used for providing sufficient intake water volume and pressure for one-level reverse osmosis system 8, so that reverse osmosis process takes place and maintains its normal operating, communicate through the pipeline between the export of one-level reverse osmosis system 8 and the import of second grade RO high-pressure pump 10, still communicate pH charge device 9 between the export of one-level reverse osmosis system 8 and the import of second grade RO high-pressure pump 10, pH charge device 9 is used for carrying out the pH regulation, guarantee that the carbon dioxide of second grade product water is basically got rid of, thereby. The outlet of the secondary RO high-pressure pump 10 is communicated with the inlet of the secondary reverse osmosis system 11 through a pipeline, the secondary RO high-pressure pump 10 is used for providing enough water inlet quantity and pressure for the secondary reverse osmosis system 11, so as to ensure the reverse osmosis process to occur and maintain the normal operation, the primary reverse osmosis system 8 and the secondary reverse osmosis system 11 both use the existing reverse osmosis system with the model of OVL-8040-. Manual ball valves are respectively arranged between the raw water tank 1 and the booster pump 2, between the booster pump 2 and the quartz sand filter 3, between the precision filter 6 and the first-stage RO high-pressure pump 7, between the first-stage RO high-pressure pump 7 and the first-stage reverse osmosis system 8, between the first-stage reverse osmosis system 8 and the second-stage RO high-pressure pump 10, between the pure water tank 12 and the pure water pump 13, and between the pure water pump 13 and the mixed bed device 14, and are respectively used for controlling the opening and closing of each pipeline.
When the two-stage reverse osmosis device works, firstly, raw water is collected in a raw water tank 1, and sequentially enters a quartz sand filter 3 and an activated carbon filter 4 through a booster pump 2, impurities, particles, silt, suspended matters, colloid and the like in the raw water are filtered in the quartz sand filter 3, the turbidity of the raw water is reduced, and the water is clarified; residual chlorine which cannot be removed in the previous stage of filtration is adsorbed in the activated carbon filter 4 so as to prevent the subsequent stage reverse osmosis membrane from being oxidized and degraded, and meanwhile, pollutants such as micromolecular organic matters leaked from the previous stage are also adsorbed, so that the activated carbon filter has obvious adsorption and removal effects on peculiar smell, colloid, pigment, heavy metal ions and the like in water. The raw water then enters the fine filter 6, and in the process a scale remover is added for preventing the fouling of the membranes in the subsequent reverse osmosis modules. Then, the water liquid enters the reverse osmosis system through the first-stage RO high-pressure pump 7, the pH value of the water liquid is adjusted by adding the medicine through the pH medicine adding device 9 in the process that the first-stage reverse osmosis system 8 enters the second-stage reverse osmosis system 11, and the water liquid is desalted in the reverse osmosis system. The water from the reverse osmosis enters a pure water tank 12 for storage, then enters a mixed bed device 14 through a pure water pump 13, and is sterilized and disinfected through an ultraviolet lamp 15; finally, the water enters a high-purity water circulation pipe network through a pipeline sterilization filter element 11.
Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the claims.
Claims (5)
1. A two-stage reverse osmosis apparatus, characterized by: including raw water tank (1), booster pump (2), quartz sand filter (3), activated carbon filter (4), precision filter (6), one-level RO high-pressure pump (7), reverse osmosis subassembly, pure water pump (13), mixed bed device (14), ultraviolet lamp (15) and pipeline degerming filter core (16), the water inlet and the water pipe intercommunication of raw water tank (1), through the pipeline intercommunication between the delivery port of raw water tank (1) and the water inlet of booster pump (2), through the pipeline intercommunication between the delivery port of booster pump (2) and the import of quartz sand filter (3), through the pipeline intercommunication between the export of quartz sand filter (3) and the import of first activated carbon filter (4), through the pipeline intercommunication between the export of activated carbon filter (4) and the import of precision filter (6), through the pipeline intercommunication between the export of precision filter (6) and the import of one-level RO high-pressure pump (7) The reverse osmosis assembly is arranged between an outlet of the first-stage RO high-pressure pump (7) and an inlet of the pure water pump (13), an outlet of the pure water pump (13) is communicated with an inlet of the mixed bed device (14) through a pipeline, an outlet of the mixed bed device (14) is communicated with an inlet of the pipeline sterilizing filter element (16), the ultraviolet lamp (15) is arranged between the mixed bed device (14) and the pipeline sterilizing filter element (16), and an outlet of the pipeline sterilizing filter element (16) is communicated with a high-purity water circulating pipe network.
2. The dual stage reverse osmosis apparatus of claim 1, wherein: the reverse osmosis component comprises a first-stage reverse osmosis system (8), a second-stage RO high-pressure pump (10), a second-stage reverse osmosis system (11) and a pure water tank (12), the inlet of the first-stage reverse osmosis system (8) is communicated with the outlet of the first-stage RO high-pressure pump (7) through a pipeline, the outlet of the first-stage reverse osmosis system (8) is communicated with the inlet of the second-stage RO high-pressure pump (10) through a pipeline, the inlet of the second-stage reverse osmosis system (11) is communicated with a tap water pipe, the outlet of the second-stage reverse osmosis system (11) is communicated with the liquid inlet of the pure water tank (12) through a pipeline, and the outlet of the pure water tank (12) is communicated with the inlet of the pure water pump (13) through a pipeline.
3. The dual stage reverse osmosis apparatus of claim 2, wherein: and a pH dosing device (9) is communicated between the outlet of the primary reverse osmosis system (8) and the inlet of the secondary RO high-pressure pump (10).
4. The dual stage reverse osmosis apparatus of claim 3, wherein: and a scale remover dosing device (5) is communicated between the activated carbon filter (4) and the precision filter (6).
5. The two-stage reverse osmosis apparatus of claim 3 or 4, wherein: the automatic water mixing device is characterized in that manual ball valves are mounted between pipelines of the raw water tank (1) and the booster pump (2), between pipelines of the booster pump (2) and the quartz sand filter (3), between pipelines of the precision filter (6) and the primary RO high-pressure pump (7), between pipelines of the primary RO high-pressure pump (7) and the primary RO high-pressure pump (8), between pipelines of the primary RO high-pressure pump (8) and the secondary RO high-pressure pump (10), between pipelines of the pure water tank (12) and the pure water pump (13), and between pipelines of the pure water pump (13) and the mixed bed device (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922188661.2U CN211394146U (en) | 2019-12-06 | 2019-12-06 | Two-stage reverse osmosis device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922188661.2U CN211394146U (en) | 2019-12-06 | 2019-12-06 | Two-stage reverse osmosis device |
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| Publication Number | Publication Date |
|---|---|
| CN211394146U true CN211394146U (en) | 2020-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922188661.2U Expired - Fee Related CN211394146U (en) | 2019-12-06 | 2019-12-06 | Two-stage reverse osmosis device |
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| Country | Link |
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| CN (1) | CN211394146U (en) |
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2019
- 2019-12-06 CN CN201922188661.2U patent/CN211394146U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200901 |