CN113105042A - Central pure water centralized quality-divided water supply system for hospitals - Google Patents
Central pure water centralized quality-divided water supply system for hospitals Download PDFInfo
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- CN113105042A CN113105042A CN202110378976.2A CN202110378976A CN113105042A CN 113105042 A CN113105042 A CN 113105042A CN 202110378976 A CN202110378976 A CN 202110378976A CN 113105042 A CN113105042 A CN 113105042A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 496
- 239000003651 drinking water Substances 0.000 claims abstract description 39
- 235000020188 drinking water Nutrition 0.000 claims abstract description 39
- 150000003839 salts Chemical class 0.000 claims abstract description 12
- 239000008367 deionised water Substances 0.000 claims description 28
- 229910021641 deionized water Inorganic materials 0.000 claims description 28
- 238000004140 cleaning Methods 0.000 claims description 25
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 18
- 238000001223 reverse osmosis Methods 0.000 claims description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 13
- 229910021642 ultra pure water Inorganic materials 0.000 claims description 13
- 239000012498 ultrapure water Substances 0.000 claims description 13
- 239000006004 Quartz sand Substances 0.000 claims description 12
- 238000005498 polishing Methods 0.000 claims description 10
- 238000011084 recovery Methods 0.000 claims description 10
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 9
- 238000004064 recycling Methods 0.000 claims description 8
- 238000005406 washing Methods 0.000 claims description 8
- 230000009977 dual effect Effects 0.000 claims description 7
- 230000001954 sterilising effect Effects 0.000 claims description 6
- 238000007654 immersion Methods 0.000 claims description 4
- 238000011010 flushing procedure Methods 0.000 claims description 3
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- 238000006243 chemical reaction Methods 0.000 claims 2
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- 238000001728 nano-filtration Methods 0.000 abstract description 2
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- 241000894006 Bacteria Species 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 241001122767 Theaceae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000005868 electrolysis reaction Methods 0.000 description 1
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Classifications
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- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
Abstract
The invention discloses a central pure water centralized quality-divided water supply system for hospitals, which belongs to the field of water treatment of systems such as direct drinking water, pure water, nanofiltration, electrodialysis, an ion exchanger, ultrafiltration and the like. In the invention, the central pure water centralized quality-divided water supply system for the hospital needs a small amount of equipment, has a simple composition structure, reduces the cost for purchasing corresponding equipment, reduces the investment for purchasing related equipment by the hospital, and reduces the burden of the hospital; the central pure water centralized quality-divided water supply system for hospitals can effectively remove dissolved salts, colloids, microorganisms, organic matters and the like in water, and has the advantages of good water quality, low energy consumption, no pollution, simple process, simplicity and convenience in operation and the like.
Description
Technical Field
The invention relates to the field of water treatment of systems such as direct drinking water, purified water, nanofiltration, electrodialysis, an ion exchanger, ultrafiltration and the like, in particular to a central purified water centralized quality-divided water supply system for hospitals.
Background
The medical water with high quality after treatment is used in the links of medicine dispensing, transfusion, injection and the like of doctors in hospitals. The reverse osmosis technology is usually adopted for obtaining medical water, is a water treatment technology adopting membrane separation, is a reverse process of osmosis imagination in nature, and is a reverse osmosis process for leading water molecules to pass through a membrane by overcoming osmotic pressure with external driving force to saline water. The whole water production process involves more instruments and equipment, and has higher technical content and higher price. Particularly, for some comprehensive hospitals, high-quality drinking water, such as direct drinking water, pure water, such as hemodialysis water, dental rinse water and the like, is needed, and ultrapure water, such as operation water, biochemical test water and the like, is needed in some places. If the hospitals purchase corresponding equipment according to the needs, not only the equipment is more, the investment is large, but also the comprehensive utilization of water resources is not facilitated.
Therefore, we propose a central pure water centralized quality-divided water supply system for hospitals to solve the above problems.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provide a hospital centralized quality-divided water supply system which reduces equipment investment, operation cost and consumable maintenance cost.
In order to achieve the purpose, the invention adopts the following technical scheme:
a central pure water centralized dual water supply system for hospitals comprises two raw water tanks, wherein the input ends of the raw water tanks are used for connecting municipal water supply, the output ends of the raw water tanks are connected with softened water tanks through connecting pipelines, a pretreatment mechanism is arranged between the raw water tanks and the softened water tanks, the output end of one softened water tank is connected with a softened water system through a connecting pipeline, wherein,
the water softening system comprises an overflow type ultraviolet sterilizer, a variable-frequency constant-pressure water supply pump and a precision filter, wherein the overflow type ultraviolet sterilizer, the variable-frequency constant-pressure water supply pump and the precision filter are connected through a connecting pipeline;
the output end of the softened water tank is sequentially connected with a security filter b, a high-pressure pump a, a primary reverse osmosis device, a direct drinking water tank, a make-up water tank, a cleaning water tank, a middle pure water tank, a security filter c, a high-pressure pump b, a secondary reverse osmosis device, a secondary pure water tank, a booster pump, an EDI module, a deionized water tank and a concentrated water recovery tank through pipelines, the output end of the direct drinking water tank is connected with a direct drinking water system through a connecting pipeline, wherein,
the direct drinking water system comprises an overflow type ultraviolet sterilizer, a variable-frequency constant-pressure water supply pump and a precision filter, wherein the overflow type ultraviolet sterilizer, the variable-frequency constant-pressure water supply pump and the precision filter are connected through connecting pipelines;
the output end of the make-up water tank is connected with a first pure water system through a connecting pipeline, wherein,
the first pure water system comprises an overflowing ultraviolet sterilizer, a variable-frequency constant-pressure water supply pump and a precision filter, the overflowing ultraviolet sterilizer, the variable-frequency constant-pressure water supply pump and the precision filter are connected through connecting pipelines, the overflowing ultraviolet sterilizer is connected with the output end of a water replenishing tank through the connecting pipelines, and a plurality of water replenishing water consumption points are arranged between the variable-frequency constant-pressure water supply pump and the precision filter;
the output end of the cleaning water tank is connected with a second pure water system and a third pure water system through a connecting pipeline, wherein,
the second pure water system comprises an overflowing ultraviolet sterilizer, a variable-frequency constant-pressure water supply pump and a precision filter, the overflowing ultraviolet sterilizer, the variable-frequency constant-pressure water supply pump and the precision filter are connected through connecting pipelines, the overflowing ultraviolet sterilizer is connected with one of the output ends of the cleaning water tank through the connecting pipeline, and a plurality of flushing water points are arranged between the variable-frequency constant-pressure water supply pump and the precision filter;
the third pure water system comprises an overflowing ultraviolet sterilizer, a variable-frequency constant-pressure water supply pump and a precision filter, the overflowing ultraviolet sterilizer, the variable-frequency constant-pressure water supply pump and the precision filter are connected through connecting pipelines, the overflowing ultraviolet sterilizer is connected with one of the output ends of the cleaning water tank through the connecting pipeline, and a plurality of cleaning water points are arranged between the variable-frequency constant-pressure water supply pump and the precision filter;
the output end of the second-stage pure water tank is connected with a fourth pure water system through a connecting pipeline, wherein,
the fourth pure water system comprises an overflowing ultraviolet sterilizer, a variable-frequency constant-pressure water supply pump and a precision filter, the overflowing ultraviolet sterilizer, the variable-frequency constant-pressure water supply pump and the precision filter are connected through connecting pipelines, the overflowing ultraviolet sterilizer is connected with the output end of the second-stage pure water tank through the connecting pipelines, and a plurality of second-stage pure water using points are arranged between the variable-frequency constant-pressure water supply pump and the precision filter;
the output end of the deionized water tank is connected with an ultrapure water system through a connecting pipeline, wherein,
the ultra-pure water system comprises an overflowing ultraviolet sterilizer, a variable-frequency constant-pressure water supply pump, a polishing mixed bed and a precision filter, wherein the overflowing ultraviolet sterilizer, the variable-frequency constant-pressure water supply pump, the polishing mixed bed and the precision filter are connected through connecting pipelines, the overflowing ultraviolet sterilizer is connected with the output end of a deionized water tank through a connecting pipeline, and a plurality of ultra-pure water consumption points are arranged between the polishing mixed bed and the precision filter;
and the softened water tank, the direct drinking water tank, the make-up water tank, the cleaning water tank, the intermediate pure water tank, the secondary pure water tank, the deionized water tank and the concentrated water recycling water tank are all provided with sterilizing devices.
Preferably, former water tank is intake and is held installation solenoid valve, when the former water tank liquid level was the low water level, the solenoid valve was opened, and the water tank begins to intake, works as when the former water tank liquid level was the high water level, the solenoid valve was closed, and the water tank stops to intake and prevents that rivers from overflowing.
Preferably, the pretreatment mechanism comprises a quartz sand filter, an activated carbon filter, a softening tank, a salt dissolving tank and a security filter a, wherein the quartz sand filter, the activated carbon filter, the softening tank, the salt dissolving tank and the security filter a are sequentially arranged on a connecting pipeline of the raw water tank and the softening water tank.
Preferably, a raw water pump is arranged between the quartz sand filter and the raw water tank, and the raw water pump is arranged on a connecting pipeline of the raw water tank and the softened water tank.
Preferably, conductivity probes are arranged on the booster pump and between the EDI module and the deionized water tank.
Preferably, ozone machines are arranged on one of the softened water tank, the direct drinking water tank, the make-up water tank, the cleaning water tank, the deionized water tank and the concentrated water recycling water tank, and the ozone machine and the softened water system are arranged on the same softened water tank.
Preferably, the sterilizing device comprises immersion type ultraviolet lamps arranged in a softening water tank, a straight drinking water tank, a make-up water tank, a cleaning water tank, a middle pure water tank, a deionized water tank and a concentrated water reuse water tank.
Preferably, the output end of the concentrated water recycling water tank is connected with a concentrated water recycling system through a connecting pipeline, wherein,
the concentrated water recovery system comprises an overflowing ultraviolet sterilizer and a variable-frequency constant-pressure water supply pump, wherein the output end of the variable-frequency constant-pressure water supply pump is provided with a plurality of miscellaneous water consumption points.
Preferably, the variable-frequency constant-pressure water supply pump is used for one standby, so that water stop caused by sudden stop of one pump is avoided.
Preferably, the ozone machine can be started and stopped at any time period, so that the effect of disinfecting the water tank is achieved.
The technical scheme provided by the embodiment of the invention has the following beneficial effects:
1. compared with the prior art, the central pure water centralized quality-divided water supply system for the hospital has the advantages that the number of required equipment is small, the composition structure is simple, the cost for purchasing corresponding equipment is reduced, the investment for purchasing the related equipment by the hospital is reduced, and the burden of the hospital is relieved;
2. compared with the prior art, the central pure water centralized quality-divided water supply system for the hospital has low operation cost and can simultaneously meet different water requirements;
3. compared with the prior art, the central pure water centralized quality-divided water supply system for hospitals can effectively remove dissolved salts, colloids, microorganisms, organic matters and the like in water, and has the advantages of good water quality, low energy consumption, no pollution, simple process, simple and convenient operation and the like.
Drawings
FIG. 1 is a schematic structural view of a central pure water centralized dual water supply system for hospitals according to the present invention;
FIG. 2 is a schematic structural diagram of a softened water system in a central pure water centralized quality-divided water supply system for hospitals according to the present invention;
FIG. 3 is a schematic structural diagram of a direct drinking water system in a central pure water centralized quality-divided water supply system for hospitals according to the present invention;
FIG. 4 is a schematic structural diagram of a first pure water system in a central pure water centralized quality-divided water supply system for hospitals according to the present invention;
FIG. 5 is a schematic structural diagram of a second pure water system in the central pure water centralized quality-divided water supply system for hospitals according to the present invention;
FIG. 6 is a schematic structural diagram of a third pure water system in the central pure water centralized quality-divided water supply system for hospitals according to the present invention;
FIG. 7 is a schematic structural diagram of a fourth pure water system in the central pure water centralized quality-divided water supply system for hospitals according to the present invention;
FIG. 8 is a schematic structural diagram of an ultrapure water system in a central pure water centralized quality-divided water supply system for hospitals according to the present invention;
fig. 9 is a schematic structural diagram of a concentrated water recovery system in a central pure water centralized dual water supply system for hospitals according to the present invention.
In the figure: 1. a raw water tank; 2. a raw water pump; 3. a quartz sand filter; 4. an activated carbon filter; 5. a softening box; 6. a salt dissolving box; 7. a cartridge filter a; 8. softening the water tank; 9. immersion ultraviolet lamps; 10. a cartridge filter b; 11. a high-pressure pump a; 12. a first-stage reverse osmosis device; 13. a direct drinking water tank; 14. a make-up water tank; 15. cleaning the water tank; 16. a middle pure water tank; 17. a cartridge filter c; 18. a high-pressure pump b; 19. a secondary reverse osmosis device; 20. a second-stage pure water tank; 21. a booster pump; 22. an EDI module; 23. a deionized water tank; 24. a concentrated water recycling water tank; 25. an ozone machine; 26. an overflow ultraviolet sterilizer; 27. a variable-frequency constant-pressure water supply pump; 28. polishing the mixed bed; 29. a precision filter; A. a softened water system; B. a direct drinking water system; C. a first pure water system; d1, a second pure water system; d2, a third pure water system; E. a fourth pure water system; F. an ultra-pure water system; G. concentrated water recovery system.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-9, a central pure water centralized dual water supply system for hospitals comprises two raw water tanks 1, wherein the input end of the raw water tank 1 is used for connecting municipal water supply, the output end of the raw water tank 1 is connected with a softened water tank 8 through a connecting pipeline, a pretreatment mechanism is arranged between the raw water tank 1 and the softened water tank 8, the output end of one softened water tank 8 is connected with a softened water system a through a connecting pipeline, wherein,
the water softening system A comprises an overflow type ultraviolet sterilizer 26, a variable-frequency constant-pressure water supply pump 27 and a precision filter 29, wherein the overflow type ultraviolet sterilizer 26, the variable-frequency constant-pressure water supply pump 27 and the precision filter 29 are connected through connecting pipelines, the overflow type ultraviolet sterilizer 26 is connected with the output end of one of the softening water tanks 8 through the connecting pipelines, and a plurality of water points for softening water are arranged between the variable-frequency constant-pressure water supply pump 27 and the precision filter 29;
the output end of the softened water tank 8 is sequentially connected with a security filter B10, a high-pressure pump a11, a first-stage reverse osmosis device 12, a direct drinking water tank 13, a make-up water tank 14, a cleaning water tank 15, an intermediate pure water tank 16, a security filter c17, a high-pressure pump B18, a second-stage reverse osmosis device 19, a second-stage pure water tank 20, a booster pump 21, an EDI module 22, a deionized water tank 23 and a concentrated water recovery tank 25 through pipelines, the output end of the direct drinking water tank 13 is connected with a direct drinking water system B through a connecting pipeline, wherein,
the direct drinking water system B comprises an overflow type ultraviolet sterilizer 26, a variable frequency constant pressure water supply pump 27 and a precision filter 29, wherein the overflow type ultraviolet sterilizer 26, the variable frequency constant pressure water supply pump 27 and the precision filter 29 are connected through connecting pipelines, the overflow type ultraviolet sterilizer 26 is connected with the output end of the direct drinking water tank 13 through the connecting pipelines, and a plurality of drinking water points are arranged between the variable frequency constant pressure water supply pump 27 and the precision filter 29;
the output end of the make-up water tank 14 is connected to a first pure water system C through a connecting pipe, wherein,
the first pure water system C comprises an overflowing ultraviolet sterilizer 26, a variable-frequency constant-pressure water supply pump 27 and a precision filter 29, wherein the overflowing ultraviolet sterilizer 26, the variable-frequency constant-pressure water supply pump 27 and the precision filter 29 are connected through connecting pipelines, the overflowing ultraviolet sterilizer 26 is connected with the output end of the make-up water tank 14 through the connecting pipelines, and a plurality of water-replenishing water consumption points are arranged between the variable-frequency constant-pressure water supply pump 27 and the precision filter 29;
the output end of the washing water tank 15 is connected to a second pure water system D1 and a third pure water system D2 through connecting pipes, wherein,
the second pure water system D1 comprises an overflow type ultraviolet sterilizer 26, a variable frequency constant pressure water supply pump 27 and a precision filter 29, wherein the overflow type ultraviolet sterilizer 26, the variable frequency constant pressure water supply pump 27 and the precision filter 29 are connected through connecting pipelines, the overflow type ultraviolet sterilizer 26 is connected with one of the output ends of the cleaning water tank 15 through a connecting pipeline, and a plurality of flushing water points are arranged between the variable frequency constant pressure water supply pump 27 and the precision filter 29;
the third pure water system D2 comprises an overflow ultraviolet sterilizer 26, a variable frequency constant pressure water supply pump 27 and a precision filter 29, wherein the overflow ultraviolet sterilizer 26, the variable frequency constant pressure water supply pump 27 and the precision filter 29 are connected through connecting pipelines, the overflow ultraviolet sterilizer 26 is connected with one of the output ends of the cleaning water tank 15 through a connecting pipeline, and a plurality of cleaning water points are arranged between the variable frequency constant pressure water supply pump 27 and the precision filter 29;
the output end of the second-stage pure water tank 20 is connected with a fourth pure water system E through a connecting pipeline, wherein,
the fourth pure water system E comprises an overflowing ultraviolet sterilizer 26, a variable-frequency constant-pressure water supply pump 27 and a precision filter 29, the overflowing ultraviolet sterilizer 26, the variable-frequency constant-pressure water supply pump 27 and the precision filter 29 are connected through connecting pipelines, the overflowing ultraviolet sterilizer 26 is connected with the output end of the second-stage pure water tank 20 through a connecting pipeline, and a plurality of second-stage pure water using points are arranged between the variable-frequency constant-pressure water supply pump 27 and the precision filter 29;
the output end of the deionized water tank 23 is connected with an ultrapure water system F through a connecting pipe, wherein,
the ultrapure water system F comprises an overflowing type ultraviolet sterilizer 26, a variable-frequency constant-pressure water supply pump 27, a polishing mixed bed 28 and a precision filter 29, wherein the overflowing type ultraviolet sterilizer 26, the variable-frequency constant-pressure water supply pump 27, the polishing mixed bed 28 and the precision filter 29 are connected through connecting pipelines, the overflowing type ultraviolet sterilizer 26 is connected with the output end of the deionized water tank 23 through the connecting pipeline, and a plurality of ultrapure water consumption points are arranged between the polishing mixed bed 28 and the precision filter 29;
the softened water tank 8, the direct drinking water tank 13, the make-up water tank 14, the washing water tank 15, the intermediate pure water tank 16, the secondary pure water tank 20, the deionized water tank 23 and the concentrated water reuse water tank 24 are all provided with sterilizing devices.
In the present technical solution, further, the raw water tank 1 is used for storing raw water.
In the present technical solution, further, the raw water pump 2 uses water to pressurize the raw water flow.
In the technical scheme, furthermore, a quartz sand filter 3, an activated carbon filter 4, a softening box 5 and a salt dissolving box 6 form a pretreatment device: the pretreatment method is used for pretreatment of raw water, and comprises the following steps: filtering, softening and the like, and aims to reduce the scaling, blockage and pollution of a subsequent membrane and ensure the long-term stable operation of a membrane system.
In the present embodiment, the cartridge filter a7, the cartridge filter b10, and the cartridge filter c17 further function to prevent fine particles, impurities, and the like from entering a following device to cause contamination or clogging.
In the technical scheme, furthermore, the softening water tank 8 is used for storing raw water passing through the pretreatment device.
In the technical scheme, furthermore, the primary reverse osmosis device 12 forms a primary membrane system: the raw water after passing through the pretreatment mechanism is filtered again, so that tiny impurities and bacteria in the municipal tap water can be removed.
In the technical scheme, furthermore, the direct drinking water tank 13, the make-up water tank 14, the cleaning water tank 15 and the intermediate pure water tank 16 are used for storing the processed corresponding purified water, so that the water shortage caused by overlarge water consumption of a drinking water point in a water supply device is avoided.
In the technical scheme, furthermore, the high-pressure pump b18 and the secondary reverse osmosis device 19 form a secondary membrane system for purifying the water into secondary pure water.
In the present embodiment, further, the second pure water tank 20 is used for storing second pure water.
In the present embodiment, the booster pump 21 and the EDI device 22 are further used to deeply purify and desalt water, and continuously regenerate the packed resin by using hydrogen ions and hydroxyl ions generated by water electrolysis.
In this technical scheme, further, deionized water tank 23 is used for depositing the water after EDI module treatment.
In this technical scheme, more closely, dense water retrieval and utilization water tank 24 is used for depositing the water tank of dense water.
More specifically, the pretreatment mechanism comprises a quartz sand filter 3, an activated carbon filter 4, a softening tank 5, a salt dissolving tank 6 and a cartridge filter a7, wherein the quartz sand filter 3, the activated carbon filter 4, the softening tank 5, the salt dissolving tank 6 and the cartridge filter a7 are sequentially arranged on a connecting pipeline of the raw water tank 1 and the softening water tank 8.
More specifically, a raw water pump 2 is provided between the quartz sand filter 3 and the raw water tank 1, and the raw water pump 2 is provided on a connection pipe between the raw water tank 1 and the softening water tank 8.
More specifically, conductivity probes are provided on the booster pump 21 and between the EDI module 22 and the deionized water tank 23.
More specifically, the ozone machine 25 is disposed on one of the softened water tank 8, the direct drinking water tank 13, the makeup water tank 14, the washing water tank 15, the deionized water tank 23 and the concentrated water reuse water tank 24, and the ozone machine 25 and the softened water system a are disposed on the same softened water tank 8.
More specifically, the sterilization apparatus includes immersion type ultraviolet lamps 9 provided in a softening water tank 8, a direct drinking water tank 13, a makeup water tank 14, a washing water tank 15, an intermediate pure water tank 16, a deionized water tank 23, and a concentrated water reuse water tank 24.
More specifically, the output end of the concentrate reusing water tank 24 is connected to a concentrate recovering system G through a connecting pipe, wherein,
the concentrated water recovery system G comprises an overflow ultraviolet sterilizer 26 and a variable-frequency constant-pressure water supply pump 27, and the output end of the variable-frequency constant-pressure water supply pump 27 is provided with a plurality of water points for miscellaneous use.
Wherein, the raw water tank 1, the softened water tank 8, the direct drinking water tank 13, the make-up water tank 14, the cleaning water tank 15, the intermediate pure water tank 16, the secondary pure water tank 20, the deionized water tank 23 and the concentrated water reuse water tank 24 are SUS304 stainless steel sterile water tanks. An emptying valve is arranged at the bottom of the water tank, an access hole and a respirator are arranged at the top of the water tank, and ozone machines 30 are arranged above the softened water tank 8, the direct drinking water tank 13, the secondary pure water tank 20, the deionized water tank 23 and the concentrated water recycling water tank 24.
Wherein, each water consumption point is a circulating pipe network, and only the water pipe network for miscellaneous use is a single pipe.
Wherein, the water inlet of the softened water tank 8, the direct drinking water tank 13, the make-up water tank 14, the washing water tank 15 and the middle pure water tank 16 are all provided with a ball valve and an electric valve, which can accurately realize water quality partition, automatic control water inlet and water production.
According to the invention, raw water is conveyed to a raw water tank 1 for storage, then conveyed to a pretreatment device from the raw water tank 1, and is subjected to salt addition from a salt dissolving tank 6 for pretreatment by a raw water pump 2 in the pretreatment device under the power of a raw water pump, and sequentially passes through a quartz sand filter 3, an active carbon filter 4 and a softening tank 5, so that scaling, blockage and pollution of subsequent membranes are reduced, and long-term stable operation of a membrane system is ensured. The cartridge filter a7 prevents the sand, carbon and resin in the pretreatment from entering the water softening tank 8, wherein one part of water is connected with a group of water supply pump sets through the water softening tank 8 to convey the softened water to a water using point, and the other part of water flows into the membrane system and is purified into pure water through the first-stage reverse osmosis device 12. Flows into the corresponding direct drinking water tank 13, the make-up water tank 14, the cleaning water tank 15 and the middle pure water tank 16 for storage, the middle pure water tank 16 is connected with the security filter c17, the high pressure pump b18 and the second-stage reverse osmosis device 19 to be second-stage pure water, the second-stage pure water tank 20 is used for storing the second-stage pure water, the second-stage pure water is purified to be ultrapure deionized water through the booster pump 21 and the EDI module 22, and the deionized water tank 23 is used for storing deionized water. The concentrate recycling tank 24 is used for collecting concentrate generated in the first-stage reverse osmosis device 12.
Wherein the softened water is used for supplying water to a center, a boiler room and an air conditioner. Drinking water spots are used in waiting rooms, tea rooms, offices, nurses' stations, wards and the like. The water replenishing point is used for replenishing water for the acidizing water equipment and the blood dialysis water treatment equipment. The water points for washing are used for brushing hands in an operating room, brushing hands in an obstetrical department and washing infants. The water point for cleaning is used for a central supply room, an endoscope cleaning room and an oral department. The secondary pure water is used in supply rooms and pharmaceutical departments. The ultrapure water is used in clinical laboratory, pathology department and laboratory. The general water is used for fire fighting water supplement, green land irrigation and reclaimed water recovery.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The central pure water centralized dual water supply system for the hospital comprises two raw water tanks (1), wherein the input ends of the raw water tanks (1) are used for connecting municipal water supply, the central pure water centralized dual water supply system is characterized in that the output ends of the raw water tanks (1) are connected with softened water tanks (8) through connecting pipelines, a pretreatment mechanism is arranged between the raw water tanks (1) and the softened water tanks (8), one of the output ends of the softened water tanks (8) is connected with a softened water system (A) through connecting pipelines, wherein,
the water softening system (A) comprises an overflowing ultraviolet sterilizer (26), a variable-frequency constant-pressure water supply pump (27) and a precision filter (29), wherein the overflowing ultraviolet sterilizer (26), the variable-frequency constant-pressure water supply pump (27) and the precision filter (29) are connected through a connecting pipeline, the overflowing ultraviolet sterilizer (26) is connected with the output end of one of the softening water tanks (8) through the connecting pipeline, and a plurality of water softening points are arranged between the variable-frequency constant-pressure water supply pump (27) and the precision filter (29);
the output end of the softened water tank (8) is sequentially connected with a security filter B (10), a high-pressure pump a (11), a primary reverse osmosis device (12), a direct drinking water tank (13), a make-up water tank (14), a cleaning water tank (15), an intermediate pure water tank (16), a security filter c (17), a high-pressure pump B (18), a secondary reverse osmosis device (19), a secondary pure water tank (20), a booster pump (21), an EDI module (22), a deionized water tank (23) and a concentrated water recovery tank (25) through pipelines, the output end of the direct drinking water tank (13) is connected with a direct drinking water system (B) through a connecting pipeline, wherein,
the direct drinking water system (B) comprises an overflow type ultraviolet sterilizer (26), a variable-frequency constant-pressure water supply pump (27) and a precision filter (29), wherein the overflow type ultraviolet sterilizer (26), the variable-frequency constant-pressure water supply pump (27) and the precision filter (29) are connected through a connecting pipeline, the overflow type ultraviolet sterilizer (26) is connected with the output end of the direct drinking water tank (13) through a connecting pipeline, and a plurality of drinking water points are arranged between the variable-frequency constant-pressure water supply pump (27) and the precision filter (29);
the output end of the make-up water tank (14) is connected with a first pure water system (C) through a connecting pipeline, wherein,
the first pure water system (C) comprises an overflowing ultraviolet sterilizer (26), a variable-frequency constant-pressure water supply pump (27) and a precision filter (29), the overflowing ultraviolet sterilizer (26), the variable-frequency constant-pressure water supply pump (27) and the precision filter (29) are connected through a connecting pipeline, the overflowing ultraviolet sterilizer (26) is connected with the output end of the water replenishing tank (14) through a connecting pipeline, and a plurality of water replenishing water points are arranged between the variable-frequency constant-pressure water supply pump (27) and the precision filter (29);
the output end of the cleaning water tank (15) is connected with a second pure water system (D1) and a third pure water system (D2) through connecting pipelines, wherein,
the second pure water system (D1) comprises an overflowing ultraviolet sterilizer (26), a variable-frequency constant-pressure water supply pump (27) and a precision filter (29), the overflowing ultraviolet sterilizer (26), the variable-frequency constant-pressure water supply pump (27) and the precision filter (29) are connected through connecting pipelines, the overflowing ultraviolet sterilizer (26) is connected with one of the output ends of the cleaning water tank (15) through a connecting pipeline, and a plurality of flushing water points are arranged between the variable-frequency constant-pressure water supply pump (27) and the precision filter (29);
the third pure water system (D2) comprises an overflowing ultraviolet sterilizer (26), a variable-frequency constant-pressure water supply pump (27) and a precision filter (29), the overflowing ultraviolet sterilizer (26), the variable-frequency constant-pressure water supply pump (27) and the precision filter (29) are connected through connecting pipelines, the overflowing ultraviolet sterilizer (26) is connected with one of the output ends of the cleaning water tank (15) through a connecting pipeline, and a plurality of cleaning water points are arranged between the variable-frequency constant-pressure water supply pump (27) and the precision filter (29);
the output end of the second-stage pure water tank (20) is connected with a fourth pure water system (E) through a connecting pipeline, wherein,
the fourth pure water system (E) comprises an overflowing ultraviolet sterilizer (26), a variable-frequency constant-pressure water supply pump (27) and a precision filter (29), the overflowing ultraviolet sterilizer (26), the variable-frequency constant-pressure water supply pump (27) and the precision filter (29) are connected through connecting pipelines, the overflowing ultraviolet sterilizer (26) is connected with the output end of the second-stage pure water tank (20) through a connecting pipeline, and a plurality of water points for the second-stage pure water are arranged between the variable-frequency constant-pressure water supply pump (27) and the precision filter (29);
the output end of the deionized water tank (23) is connected with an ultrapure water system (F) through a connecting pipeline, wherein,
the ultra-pure water system (F) comprises a flow-through ultraviolet sterilizer (26), a variable-frequency constant-pressure water supply pump (27), a polishing mixed bed (28) and a precision filter (29), wherein the flow-through ultraviolet sterilizer (26), the variable-frequency constant-pressure water supply pump (27), the polishing mixed bed (28) and the precision filter (29) are connected through connecting pipelines, the flow-through ultraviolet sterilizer (26) is connected with the output end of a deionized water tank (23) through a connecting pipeline, and a plurality of ultra-pure water using points are arranged between the polishing mixed bed (28) and the precision filter (29);
the softening water tank (8), the direct drinking water tank (13), the make-up water tank (14), the cleaning water tank (15), the intermediate pure water tank (16), the secondary pure water tank (20), the deionized water tank (23) and the concentrated water recycling water tank (24) are all provided with sterilizing devices.
2. The central pure water centralized quality-divided water supply system for the hospital according to claim 1, wherein the pretreatment mechanism comprises a quartz sand filter (3), an activated carbon filter (4), a softening tank (5), a salt dissolving tank (6) and a security filter a (7), and the quartz sand filter (3), the activated carbon filter (4), the softening tank (5), the salt dissolving tank (6) and the security filter a (7) are all sequentially arranged on a connecting pipeline of the raw water tank (1) and the softening water tank (8).
3. The central pure water centralized quality-divided water supply system for hospitals according to claim 2, characterized in that a raw water pump (2) is arranged between the quartz sand filter (3) and the raw water tank (1), and the raw water pump (2) is arranged on a connecting pipeline of the raw water tank (1) and the softened water tank (8).
4. The central pure water centralized quality-divided water supply system for hospitals according to claim 1, characterized in that conductivity probes are arranged on the booster pump (21) and between the EDI module (22) and the deionized water tank (23).
5. The central pure water centralized quality-divided water supply system for hospitals according to claim 1, wherein one of the softened water tank (8), the direct drinking water tank (13), the make-up water tank (14), the cleaning water tank (15), the deionized water tank (23) and the concentrated water reuse water tank (24) is provided with an ozone machine (25), and the ozone machine (25) and the softened water system (a) are arranged on the same softened water tank (8).
6. The central pure water centralized quality-divided water supply system for hospitals according to claim 1, characterized in that the sterilizing device comprises immersion type ultraviolet lamps (9) disposed in a softened water tank (8), a direct drinking water tank (13), a make-up water tank (14), a washing water tank (15), an intermediate pure water tank (16), a deionized water tank (23) and a concentrated water reuse water tank (24).
7. The central pure water centralized dual water supply system for hospitals according to claim 1, characterized in that the output end of the concentrated water reuse water tank (24) is connected with a concentrated water recovery system (G) through a connecting pipeline, wherein,
concentrated water recovery system (G) is including crossing STREAMING ultraviolet sterilizer (26) and frequency conversion constant voltage water supply pump (27), the output of frequency conversion constant voltage water supply pump (27) is provided with a plurality of miscellaneous water consumption points.
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| CN115340229A (en) * | 2022-07-15 | 2022-11-15 | 湖南龙新净水科技有限公司 | Central centralized quality-divided water supply system for oral hospitals |
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