CN113200642A - Automatic control device for disinfection and sterilization cabin waterway system and drainage method - Google Patents
Automatic control device for disinfection and sterilization cabin waterway system and drainage method Download PDFInfo
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- CN113200642A CN113200642A CN202110672187.XA CN202110672187A CN113200642A CN 113200642 A CN113200642 A CN 113200642A CN 202110672187 A CN202110672187 A CN 202110672187A CN 113200642 A CN113200642 A CN 113200642A
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- 238000004659 sterilization and disinfection Methods 0.000 title claims abstract description 49
- 230000001954 sterilising effect Effects 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 920
- 238000000746 purification Methods 0.000 claims abstract description 119
- 238000004140 cleaning Methods 0.000 claims abstract description 38
- 239000004744 fabric Substances 0.000 claims abstract description 22
- 239000008399 tap water Substances 0.000 claims abstract description 11
- 235000020679 tap water Nutrition 0.000 claims abstract description 11
- 238000000108 ultra-filtration Methods 0.000 claims description 109
- 238000001223 reverse osmosis Methods 0.000 claims description 96
- 239000008213 purified water Substances 0.000 claims description 77
- 238000010926 purge Methods 0.000 claims description 55
- 238000004519 manufacturing process Methods 0.000 claims description 52
- 239000010865 sewage Substances 0.000 claims description 28
- 239000002351 wastewater Substances 0.000 claims description 16
- 239000012141 concentrate Substances 0.000 claims description 6
- 230000037452 priming Effects 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000004506 ultrasonic cleaning Methods 0.000 abstract 2
- 239000012528 membrane Substances 0.000 description 26
- 239000007788 liquid Substances 0.000 description 19
- 238000001914 filtration Methods 0.000 description 8
- 238000005406 washing Methods 0.000 description 6
- 241000894006 Bacteria Species 0.000 description 5
- 238000003860 storage Methods 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 4
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 241000700605 Viruses Species 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 230000000249 desinfective effect Effects 0.000 description 2
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- 230000008569 process Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000004887 air purification Methods 0.000 description 1
- 238000011001 backwashing Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000012510 hollow fiber Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- 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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/02—Non-contaminated water, e.g. for industrial water supply
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
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- Physical Water Treatments (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses an automatic control device and a water drainage method for a waterway system of a disinfection and sterilization cabin, wherein the device comprises a water purification bag, a water purifier and a water purifier pipeline; the water purifier is connected with a water purifying tank pipeline and is also connected with an unqualified water discharge valve; the water purifier is connected with the water purification tank by a pipeline and is connected with the unqualified water discharge valve; the tap water pipe is connected with the water purifying bag pipe; a submersible pump is arranged in the water purifying bag and is connected with the fabric cleaning machine through a pipeline; the water purifying tank is connected with a first booster pump pipeline, and the first booster pump is connected with the fabric cleaning machine, the cleaning sterilizer and the ultrasonic cleaning central pipeline; the pure water tank is connected with a second booster pump pipeline, and the second booster pump is connected with a high-temperature sterilizer, a cleaning sterilizer and an ultrasonic cleaning central pipeline. The invention has high automation degree and convenient maintenance, meets the use requirement of the disinfection and sterilization shelter, and can not damage the system in a low-temperature environment after water drainage.
Description
Technical Field
The invention belongs to the field of water production equipment, and particularly relates to an automatic control device for a water path system of a disinfection and sterilization cabin and a drainage method.
Background
The disinfection and sterilization square cabin is mainly used for washing, drying and sterilizing surgical instruments, surgical drape sheets, endoscopes, catheters and the like, and simultaneously has the function of supplying medical purified water to other medical cabins. The inside mainly contains: the device comprises a plasma air purifier, an ultrasonic cleaning center, a cleaning sterilizer, a fabric cleaning machine, a packaging platform and a sealing machine, a low-temperature plasma sterilizer, a high-temperature sterilizer, a water purifier, a notebook workstation, an air conditioner, a fuel fan heater, negative pressure equipment, positive pressure equipment, a field folding chair, a field folding table, a folding goods shelf, a lighting lamp, a hygrothermograph, a fire extinguisher, an air exchange fan and the like. Wherein, the high temperature sterilizer, the fabric cleaning machine, the cleaning sterilizer and the ultrasonic cleaning center all need to use different types of water. After the waterway system is used, water residue exists in a pipeline or other parts and cannot be exhausted, and parts of the waterway system are damaged due to icing in a low-temperature environment. When the device is not used for a long time, the residual water can cause bacteria reproduction and finally pollute the whole waterway system.
How to provide purified water and purified water simultaneously in whole disinfection and sterilization shelter, it is the problem that needs to solve to satisfy disinfection and sterilization shelter use. After the water-saving device is used, how to drain water in the water path system is also a problem to be solved.
Disclosure of Invention
The invention provides an automatic control device for a water path system of a disinfection and sterilization cabin, which comprises:
the water outlet end of the water purifying bag is connected with the water inlet end of the water purifier and the water inlet end of the water purifier through pipelines;
the water production end of the water purifier is connected with the water inlet end of the water purification tank through a pipeline, and the water production end of the water purifier is also connected with an unqualified water discharge valve;
the water production end of the water purifier is connected with the water inlet end of the water purification tank through a pipeline, and the water production end of the water purifier is connected with the unqualified water discharge valve;
the tap water pipe is connected with a water inlet end pipeline of the water purifying bag;
a submersible pump is arranged in the water purifying bag and is connected with a pipeline at the water inlet end of the fabric cleaning machine;
the water outlet end of the water purifying tank is connected with the water inlet end of the first booster pump through a pipeline, and the water outlet end of the first booster pump is connected with the water inlet end of the fabric cleaning machine, the water inlet end of the cleaning sterilizer and the water inlet end of the ultrasonic cleaning center through pipelines;
the water outlet end of the pure water tank is connected with the water inlet end of the second booster pump through a pipeline, and the water outlet end of the second booster pump is connected with the water inlet end of the high-temperature sterilizer, the water inlet end of the cleaning sterilizer and the water inlet end of the ultrasonic cleaning center through pipelines;
the waste water end of the fabric cleaning machine, the waste water end of the cleaning sterilizer and the waste water end of the ultrasonic cleaning center are connected with a sewage pumping water end pipeline;
the water outlet end of the sewage pump is connected with the water inlet end pipeline of the sewage bag.
Furthermore, the water purifier is connected with a water purification self-priming pump, a water purification ultrafiltration assembly, a water purification high-pressure pump, a water purification reverse osmosis assembly and a water purification ultraviolet sterilizer along the water flow direction in sequence through pipelines, and the water outlet end of the water purification ultraviolet sterilizer is connected with the water inlet end pipeline of the water purification tank.
Further, an ultraviolet lamp is arranged in the water purifying tank and used for sterilization.
Further, the water purifier still includes the water purification air pump, the water purification air pump passes through the tube coupling with water purification self priming pump water outlet end, water purification ultrafiltration subassembly product water side, water purification reverse osmosis subassembly product water side respectively.
Furthermore, check valves are respectively arranged between the water outlet ends of the water purification air pump and the water purification self-priming pump, the water production side of the water purification ultrafiltration component and the water production side of the water purification reverse osmosis component;
gas can only flow from the water purifying air pump to the water outlet end of the water purifying self-priming pump, the water producing side of the water purifying ultrafiltration component, the water producing side of the water purifying reverse osmosis component and the water inlet end of the water purifying ultraviolet sterilizer.
Furthermore, the water purifier is sequentially connected with a pure water self-priming pump, a pure water ultrafiltration assembly, a pure water first-stage high-pressure pump, a pure water first-stage reverse osmosis assembly, a pure water second-stage high-pressure pump, a pure water second-stage reverse osmosis assembly and a pure water ultraviolet sterilizer through pipelines along the water flow direction, and the water outlet end of the pure water ultraviolet sterilizer is connected with the water inlet end pipeline of the pure water tank.
Further, an ultraviolet lamp is arranged in the water tank of the water purification machine and used for sterilization.
Furthermore, the water purification machine still includes the pure water air pump, the pure water air pump passes through the tube coupling with pure water self priming pump water outlet end, pure water ultrafiltration subassembly product water side, pure water one-level reverse osmosis subassembly product water side, pure water second grade reverse osmosis subassembly product water side respectively.
Furthermore, check valves are respectively arranged between the pure water air pump and the water outlet end of the pure water self-sucking pump, the water production side of the pure water ultrafiltration component, the water production side of the pure water first-stage reverse osmosis component and the water production side of the pure water second-stage reverse osmosis component;
gas can only flow from the pure water air pump to the water outlet end of the pure water self-priming pump, the water production side of the pure water ultrafiltration component, the water production side of the pure water first-stage reverse osmosis component, the water production side of the pure water second-stage reverse osmosis component and the water inlet end of the pure water ultraviolet sterilizer.
The invention also designs a water discharging method of the automatic control device of the disinfection and sterilization cabin waterway system, which comprises the following steps:
draining water from the water purifier and draining water from the water purifier;
the draining of the water purifier comprises:
step 10: opening all water drainage related valves of the water purifier, and emptying water stored in the water purifier;
step 11: purging a water purification ultrafiltration component by using a water purification air pump, wherein the water purification ultrafiltration component comprises a plurality of water purification ultrafiltration units, and the purging water purification ultrafiltration component comprises purging a concentrated water side and a water production side of all the water purification ultrafiltration units respectively;
step 12: purging the concentrated water side of the water purification reverse osmosis assembly by using a water purification air pump;
step 13: purging the water production side of the water purification reverse osmosis assembly by using a water purification air pump;
step 14: purging the water purification ultraviolet sterilizer by using a water purification air pump;
the drainage to water purification machine includes:
step 20: opening all water drainage related valves of the water purification machine, and draining water stored in the water purification machine;
step 21: purging a pure water ultrafiltration assembly by using a pure water air pump, wherein the pure water ultrafiltration assembly comprises a plurality of pure water ultrafiltration units, and the purging of the pure water ultrafiltration assembly comprises purging a concentrated water side and a water production side of all the pure water ultrafiltration units respectively;
step 22: purging the concentrated water side of the pure water first-stage reverse osmosis assembly by using a pure water air pump;
step 23: purging the water production side of the pure water first-stage reverse osmosis assembly by using a pure water air pump;
step 24: purging the concentrated water side of the pure water secondary reverse osmosis assembly by using a pure water air pump;
step 25: purging the water production side of the pure water secondary reverse osmosis assembly by using a pure water air pump;
step 26: and blowing the pure water ultraviolet sterilizer by using a pure water air pump.
The automatic control device for the water path system of the disinfection and sterilization cabin and the drainage method have the advantages of high automation degree, convenience in maintenance, capability of meeting the use requirement of the disinfection and sterilization cabin, and no damage to the system in a low-temperature environment after drainage.
Drawings
FIG. 1 is a schematic structural diagram of an automatic control device for a disinfection and sterilization cabin waterway system according to an embodiment of the invention;
FIG. 2 is a schematic diagram of a water path of a water purifier of an automatic control device of a water path system of a disinfection and sterilization cabin according to an embodiment of the invention;
FIG. 3 shows a water path schematic diagram of a water purifier of an automatic control device of a water path system of a disinfection and sterilization chamber according to an embodiment of the invention.
In the figure: 01. a first valve; 02. a second valve; 03. a third valve; 04. a fourth valve; 05. a fifth valve; 06. a sixth valve; 07. a seventh valve; 08. an eighth valve; 09. a ninth valve; 010. a non-conforming water discharge valve; 1. a water purifier; 11. a water purifying tank; 12. a first booster pump; 13. a purified water self-priming pump; 14. a water purification ultrafiltration module; 15. a water purification high-pressure pump; 16. a water purification reverse osmosis component; 17. a purified water ultraviolet sterilizer; 18. a purified water air pump; 2. a water purification machine; 21. a pure water tank; 22. a second booster pump; 23. a pure water self-priming pump; 24. a pure water ultrafiltration module; 251. a first-stage high-pressure pure water pump; 252. a pure water first-stage reverse osmosis component; 261. a pure water second-stage high-pressure pump; 262. a pure water secondary reverse osmosis component; 27. a pure water ultraviolet sterilizer; 28. a pure water air pump; 31. a water purifying bag; 32. a sewage bag; 4. a high temperature sterilizer; 5. a sewage pump; 6. a fabric cleaning machine; 7. cleaning a sterilizer; 8. the center was cleaned ultrasonically.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
The invention provides an automatic control device of a disinfection and sterilization cabin waterway system, as shown in figure 1, the automatic control device comprises,
the tap water pipe is connected with a water inlet end pipeline of the water purifying bag 31;
a submersible pump is arranged in the water purifying bag 31 and is connected with a pipeline at the water inlet end of the fabric cleaning machine 6;
the water outlet end of the water purifying bag 31 is connected with the water inlet end of the water purifier 1 and the water inlet end of the water purifier 2 through pipelines;
the water production end of the water purifier 1 is connected with the water inlet end of the water purification tank 11 through a pipeline, and the water production end of the water purifier 1 is connected with the unqualified water discharge valve 010; the water production end of the water purifier 1 is also connected with a first end pipeline of a first valve 01, and a second end of the first valve 01 is connected with an unqualified water discharge valve 010;
the water producing end of the water purifier 2 is connected with the water inlet end of the water purifying tank 21 through a pipeline, and the water producing end of the water purifier 2 is connected with the unqualified water discharge valve 010; the water production end of the water purifier 2 is also connected with a first end pipeline of a sixth valve 06, and a second end of the sixth valve 06 is connected with an unqualified water discharge valve 010;
the water outlet end of the water purifying tank 11 is connected with the water inlet end of the first booster pump 12 through a pipeline, and the water outlet end of the first booster pump 12 is connected with the water inlet end of the fabric cleaning machine 6, the water inlet end of the cleaning sterilizer 7 and the water inlet end of the ultrasonic cleaning center 8 through pipelines; the water outlet end of the water purifying tank 11 is connected with a first end pipeline of a second valve 02, and the second end of the second valve 02 is connected with a water inlet end pipeline of the sewage pump 5;
the water outlet end of the pure water tank 21 is connected with the water inlet end of the second booster pump 22 through a pipeline, and the water outlet end of the second booster pump 22 is connected with the water inlet end of the high-temperature sterilizer 4, the water inlet end of the cleaning sterilizer 7 and the water inlet end of the ultrasonic cleaning center 8 through pipelines; the water outlet end of the second booster pump 22 is also connected with a first end pipeline of a third valve 03, and a second end of the third valve 03 is connected with a water inlet end pipeline of the sewage pump 5;
the waste water end of the fabric cleaning machine 6, the waste water end of the cleaning sterilizer 7 and the waste water end of the ultrasonic cleaning center 8 are connected with the water inlet end pipeline of the sewage pump 5;
the first end of the fourth valve 04 is connected with a pipeline at the water inlet end of the sewage pump 5, and the second end of the fourth valve 04 is connected with a pipeline at the water outlet end of the sewage pump 5;
the tap water pipe is connected with a first end pipeline of the fifth valve 05, and a second end of the fifth valve 05 is connected with a water inlet end pipeline of the sewage pump 5;
the water outlet end of the sewage pump 5 is connected with the water inlet end of the sewage bag 32 through a pipeline;
the water inlet end of the water purifier 1 is also connected with a first end pipeline of a seventh valve 07, and a second end of the seventh valve 07 is connected with an unqualified water discharge valve 010;
the water inlet end of the water purifier 2 is also connected with a first end pipeline of an eighth valve 08, and a second end of the eighth valve 08 is connected with an unqualified water discharge valve 010;
the water outlet end of the water purifying bag 31 is provided with a ninth valve 09, and when the ninth valve 09 is closed, the water outlet end of the water purifying bag 31 cannot discharge water.
The first valve 01, the second valve 02, the third valve 03, the fourth valve 04, the fifth valve 05, the sixth valve 06, the seventh valve 07, the eighth valve 08, the ninth valve 09, and the reject water discharge valve 010 are solenoid valves. Preferably, the first valve 01, the second valve 02, the third valve 03, the fourth valve 04, the fifth valve 05, the sixth valve 06, the seventh valve 07, the eighth valve 08, the ninth valve 09 and the reject water discharge valve 010 are pneumatic butterfly valves or pneumatic diaphragm valves, and the control system can control the valves to be opened or closed.
The automatic control device designed by the invention comprises a plurality of water paths.
The first water path is that the water purifier 1 produces purified water and stores the purified water in the water purifying tank 11, and the water purifying bag 31, the water purifier 1 and the water purifying tank 11 are sequentially connected by pipelines along the water flow direction. When the water purifier 1 can continuously produce qualified purified water, the produced purified water flows into the water purifying tank 11 for storage.
The second water path is used for producing purified water by the water purifier 2 and storing the purified water in the purified water tank 21, and the water purifying bag 31, the water purifier 2 and the purified water tank 21 are sequentially connected by pipelines along the water flow direction. When the water purifier 2 can continuously produce qualified purified water, the produced purified water flows into the pure water tank 21 for storage.
The quantity of the water purifiers 1 and 2 is determined according to the water consumption and the water yield of the device, in the figure 1, 1 water purifier 1 is arranged, and 2 water purifiers 2 are arranged. The specific number can be set by the skilled person according to the actual requirements.
The third water path is used for water for the high temperature sterilizer 4, purified water is used for the high temperature sterilizer 4 according to the requirement, and a pure water tank 21, a second booster pump 22 and the high temperature sterilizer 4 are sequentially connected with pipelines along the water flow direction.
The fourth water path is used for the fabric cleaning machine 6, and the fabric cleaning machine 6 uses common tap water and purified water according to requirements; when using tap water, the pipeline is connected with the water purifying bag 31 and the fabric cleaning machine 6 in sequence along the water flow direction, and the submersible pump in the water purifying bag 31 supplies water to the fabric cleaning machine 6; when purified water is used, a purified water tank 11, a first booster pump 12 and a fabric washing machine 6 are sequentially connected by pipelines along the water flow direction.
The fifth water channel is used for cleaning and disinfecting the 7, and the cleaning and disinfecting device 7 needs to use purified water and purified water according to the requirement; when purified water is used, a purified water tank 11, a first booster pump 12 and a cleaning sterilizer 7 are sequentially connected by pipelines along the water flow direction; when purified water is used, a pure water tank 21, a second booster pump 22 and a washer disinfector 7 are connected to the pipeline in the water flow direction in this order.
The sixth water channel is used for water for the ultrasonic cleaning center 8, and the ultrasonic cleaning center 8 needs to use purified water and purified water according to the requirement; when purified water is used, a purified water tank 11, a first booster pump 12 and an ultrasonic cleaning center 8 are sequentially connected by pipelines along the water flow direction; when purified water is used, a pure water tank 21, a second booster pump 22 and an ultrasonic cleaning center 8 are connected to the pipes in this order in the water flow direction.
The water paths are arranged in the pipelines, and corresponding instruments are further arranged for measuring liquid level, pressure, temperature and conductivity. The above waterway also includes drainage.
Such as normal wastewater discharge. The waste water end of the fabric cleaning machine 6, the waste water end of the cleaning sterilizer 7 and the waste water end of the ultrasonic cleaning center 8 are connected with the water inlet end pipeline of the sewage pump 5.
For example, in the first water path and the second water path, when the water produced by the water purifier 1 or the water purifier 2 is not qualified or needs to be drained due to other reasons, the first valve 01 or the sixth valve 06 is opened, the wastewater (water in the corresponding pipeline) collected with the water purifier 1 or the water purifier 2 enters the sewage pump 5, and is drained to the sewage bag 32 by the sewage pump 5; or directly discharged through the defective water discharge valve 010. The waste water is discharged to the sewage bag 32 through the sewage pump 5, and in this way, the waste water can be uniformly discharged after being collected. When the water purifier 1 or the water purifier 2 does not work, the seventh valve 07 or the eighth valve 08 is opened to drain the water stored in the water inlet pipeline of the water purifier 1 or the water purifier 2.
Such as for tap water drainage. The tap water can be passed through the submersible pump in the water purification bag 31 only into the fabric washing machine 6. After the operation is finished, the tap water can enter the sewage pump 5 through the fifth valve 05 or directly enter the sewage bag 32 through the fourth valve 04.
To purified water drainage. The purified water is introduced into the fabric washing machine 6, the washer disinfector 7 and the ultrasonic cleaning center 8 through the first booster pump 12. After the work is finished, the purified water can enter the sewage pump 5 through the second valve 02, or directly enter the sewage bag 32 through the second valve 02 and the fourth valve 04.
Purified water drainage. The purified water passes through the second booster pump 22 and enters the high temperature sterilizer 4, the washer disinfector 7 and the ultrasonic cleaning center 8. After the work is finished, the purified water can enter the sewage pump 5 through the third valve 03, or directly enter the sewage bag 32 through the third valve 03 and the fourth valve 04.
According to the automatic control device designed by the invention, a water purifier 1 is used for producing purified water, as shown in fig. 2, the water purifier 1 is sequentially connected with a water purifying self-priming pump 13, a water purifying ultrafiltration assembly 14, a water purifying high-pressure pump 15, a water purifying reverse osmosis assembly 16 and a water purifying ultraviolet sterilizer 17 through pipelines along the water flow direction, and the water outlet end of the water purifying ultraviolet sterilizer 17 is connected with the water inlet end of a water purifying tank 11 through a pipeline. An ultraviolet lamp is arranged in the water purifying tank 11 and is used for sterilization.
The water purification self-priming pump 13 is used for sucking raw water into the pipeline from the water purification bag 31 and pressurizing the raw water to 0.2-0.3 MPa. When the clean water self-priming pump 13 is used, about 1000mL of water is first injected through the exhaust port to expel the pump chamber air. After the purified water self-sucking pump 13 is used, the water stored in the pump is discharged from the water outlet, so that the water pump is prevented from being damaged due to low temperature.
The water purification ultrafiltration module 14 is formed by connecting a plurality of water purification ultrafiltration units in parallel. Each water purification Ultrafiltration (UF) unit comprises two parts, namely a pressure vessel and an ultrafiltration membrane element, wherein the pressure vessel consists of a stainless steel membrane shell and a sealing head. The ultrafiltration membrane element is an internal pressure type hollow fiber ultrafiltration membrane element. The water purification ultrafiltration module 14 can effectively remove particles, colloids, suspended matters and the like in tap water, ensure that the Sludge Deposition Index (SDI) of water before entering the reverse osmosis membrane module is less than 3, and reduce the burden and the cleaning frequency of subsequent units.
Preferably, in order to ensure that the water purification ultrafiltration assembly 14 can stably operate for a long time, the inlet and outlet of each water purification ultrafiltration unit are respectively provided with an electromagnetic valve, and the electromagnetic valves are automatically closed and opened by PLC control to form a closed continuous operation system, so that automatic mutual back washing and flushing of the water purification ultrafiltration assembly 14 can be realized, the service effect and the service life of the water purification ultrafiltration assembly 14 can be ensured, and the long-term stable operation can be realized.
Preferably, the clean water ultrafiltration module 14 is further provided with a pressure sensor for monitoring the water inlet pressure and the water production pressure of the clean water ultrafiltration module 14.
In fig. 2, the water purification ultrafiltration module 14 is formed by connecting 2 water purification ultrafiltration units in parallel.
The water purification high-pressure pump 15 adopts a multistage centrifugal pump or a diaphragm pump and provides 0.4-0.8 MPa of operation pressure for the water purification reverse osmosis component 16.
The clean water Reverse Osmosis (RO) module 16 is used to remove most of the inorganic salts and residual organics from the water, and includes a reverse osmosis membrane housing and a reverse osmosis membrane element. The reverse osmosis membrane shell is a double-seal membrane shell and comprises a membrane shell barrel, a membrane shell cover, a seal ring and the like. As shown in fig. 2, the water purification reverse osmosis module 16 comprises 3 water purification reverse osmosis units arranged in a single-stage three-stage manner. By adopting the design, the desalination rate of the water purifier 1 can be kept above 98%, and the water recovery rate is 45%. Preferably, the water purifier 1 is further provided with an online conductivity meter, and the quality of the produced water of the water purifying Reverse Osmosis (RO) module 16 is monitored by the online conductivity meter.
The purified water ultraviolet sterilizer 17 is assembled at the last stage of the process of preparing purified water for sterilization. The upper part and the lower part are provided with two water gaps, the lower water gap is a water inlet, and the upper water gap is a water outlet. Before low-temperature storage, special attention needs to be paid to the drainage of water stored in the sterilizer through a water gap at the lower part so as to prevent the inner quartz tube and the ultraviolet lamp tube from being damaged by low temperature.
The water produced by the water purifier 1 finally enters the water purifying tank 11, and the water outlet end of the water purifying ultraviolet sterilizer 17 is connected with the water inlet end of the water purifying tank 11 through a pipeline. The water purification tank 11 has a water storage function, and an ultraviolet lamp is arranged in the water purification tank 11 and is used for sterilization.
The water purifier 1 produces purified water in the following manner. The water purification self-priming pump 13 firstly sucks raw water into a pipeline and boosts the pressure to 0.2-0.3 MPa. The pressurized raw water enters a water purification ultrafiltration component 14, the water purification ultrafiltration component 14 comprises two water purification ultrafiltration membrane units, and suspended matters, colloid, iron rust, bacteria, viruses, macromolecular organic matters and the like in the water are intercepted.
The filtration mode of the water purification ultrafiltration component 14 is internal pressure type 'dead-end filtration', the filtration precision is 0.01-0.1 mu m, and the removal rate of bacteria and pathogens reaches 99.99%. During filtration, the pollutants in the water are trapped on the surface of the membrane filaments. When starting system water at every turn, the combination of procedure automatic control ultrafiltration intake, drainage solenoid valve is opened and is closed, utilizes the water conservancy that water purification self priming pump 13 provided to just wash and the back flush the membrane silk surface, reduces the pollution accumulation on membrane silk surface, guarantees the result of use of ultrafiltration.
After the water purification ultrafiltration module 14 finishes automatic flushing, the water discharge electromagnetic valve is closed, the ultrafiltration water production electromagnetic valve is opened, and ultrafiltration begins to produce water. The electromagnetic valves DF1 and DF2 are ultrafiltration water inlet electromagnetic valves, the electromagnetic valves DF3 and DF4 are ultrafiltration water discharge electromagnetic valves, ultrafiltration product water enters the water purification high-pressure pump 15 through the ultrafiltration product water electromagnetic valve DF5, the pressure is increased to about 0.7MPa, the ultrafiltration product water enters the water purification reverse osmosis component 16, and the reverse osmosis product water is purified by the water purification ultraviolet sterilizer 17. When the water purification high-pressure pump 15 is started, the RO concentrated water electromagnetic valve DF6 is opened, the water purification reverse osmosis component 16 is rapidly washed for 20s (can be set according to actual conditions), and the DF6 is closed after the washing is finished. The concentrated water discharge amount of the water purification reverse osmosis component 16 is controlled by a regulating valve, the operating pressure is 0.5-0.8 MPa, and the concentrated water discharge amount can be properly regulated according to the actual operating condition.
The RO produced water is sterilized by the purifying ultraviolet sterilizer 17 to become purified water and enters the purified water tank 11, and the high, medium and low liquid levels of the purified water tank 11 control the starting and stopping of the water purifier 1 and the running and stopping of the first booster pump 12. When the liquid level of the water purification tank 11 is at a high liquid level, the water purifier 1 is stopped; when the liquid level of the water purifying tank 11 is lower than the middle liquid level, the water purifying machine 1 is started to start water production. When the liquid level of the purified water tank 11 is higher than the low liquid level, if the water inlet valve of each water-using device is opened, the first booster pump 12 operates immediately to boost the purified water to each water-using point.
The water purifier 1 further comprises a water purifying air pump 18 for providing a pressurized air source for the discharge operation of the water stored in the machine. The purified water air pump 18 is respectively connected with the water outlet end of the purified water self-priming pump 13, the water production side of the purified water ultrafiltration component 14 and the water production side of the purified water reverse osmosis component 16 through pipelines.
Check valves are respectively arranged between the water outlet end of the purified water air pump 18 and the purified water self-sucking pump 13, between the water producing side of the purified water ultrafiltration component 14 and between the water producing side of the purified water reverse osmosis component 16; the gas can only flow from the purified water air pump 18 to the water outlet end of the purified water self-priming pump 13, the water production side of the purified water ultrafiltration component 14, the water production side of the purified water reverse osmosis component 16 and the water inlet end of the purified water ultraviolet sterilizer 17.
In order to meet the requirement of low-temperature storage, the air purification air pump 18 is used for blowing air to assist in draining water for the water purifier 1, and water stored in pipelines, membrane modules, water pumps and the like can be effectively drained. The water is drained in a mode of automatically blowing and discharging by a pure water air pump 18 according to a program or in a manual mode. The purified water air pump 18 is connected to a water production pipeline through a purge discharge electromagnetic valve, and discharges water through a relevant electromagnetic valve and a purified water intake. If the air intake for purging the concentrated water side of the water purification ultrafiltration module 14 enters from the water outlet end of the water purification self-priming pump 13, the air intake for purging the concentrated water side of the water purification reverse osmosis module 16 enters from the water production side of the water purification ultrafiltration module 14 and enters after passing through the water purification high-pressure pump 15.
The automatic control device designed by the invention uses a water purifier 2 to produce purified water, as shown in fig. 3, the water purifier 2 is sequentially connected with a pure water self-sucking pump 23, a pure water ultrafiltration component 24, a pure water first-stage high-pressure pump 251, a pure water first-stage reverse osmosis component 252, a pure water second-stage high-pressure pump 261, a pure water second-stage reverse osmosis component 262 and a pure water ultraviolet sterilizer 27 by pipelines along the water flow direction, and the water outlet end of the pure water ultraviolet sterilizer 27 is connected with the water inlet end of a pure water tank 21 by a pipeline. An ultraviolet lamp is arranged in the pure water tank 21 and is used for sterilization.
The functions of the pure water self-sucking pump 23 and the pure water ultrafiltration assembly 24 are similar to those of the pure water self-sucking pump 13 and the pure water ultrafiltration assembly 14, and the use of the pure water self-sucking pump 23 and the pure water ultrafiltration assembly 24 can be obtained by the technical personnel in the field from the use of the pure water self-sucking pump 13 and the pure water ultrafiltration assembly 14. In fig. 3, the pure water ultrafiltration module 24 is constituted by 2 pure water ultrafiltration units connected in parallel.
In the water purifier 2, the first-stage pure water high-pressure pump 251 and the second-stage pure water high-pressure pump 261 both adopt a multistage centrifugal pump or a diaphragm pump, and respectively provide 0.4-0.8 MPa of operating pressure for the following first-stage pure water reverse osmosis component 252 and second-stage pure water reverse osmosis component 262.
In the water purifier 2, the reverse osmosis unit is composed of two stages, i.e., a pure water first-stage reverse osmosis module 252 and a pure water second-stage reverse osmosis module 262. The function of which is the same as that of the purified water reverse osmosis module 16. As shown in fig. 3, the pure water primary reverse osmosis module 252 comprises 2 pure water reverse osmosis units, 2 connected in series; the pure water secondary reverse osmosis module 262 comprises 1 pure water reverse osmosis unit. With this design, the salt rejection rate of the water purifier 2 can be maintained at 99% or more, and the water recovery rate can be 40%. Preferably, the water purifier 2 is further provided with an on-line conductivity meter, and the quality of the produced water of the pure water primary reverse osmosis module 252 and the pure water secondary reverse osmosis module 262 is respectively monitored by the two on-line conductivity meters.
The pure water ultraviolet sterilizer 27 has the same function as the pure water ultraviolet sterilizer 17, and the pure water tank 21 has the same function as the pure water tank 11.
The water purifier 2 produces purified water in the following manner. The pure water self-priming pump 23 firstly sucks raw water into a pipeline and boosts the pressure to 0.2-0.3 MPa. The pressurized raw water enters a pure water ultrafiltration component 24, the pure water ultrafiltration component 24 comprises two pure water ultrafiltration membrane units, and suspended matters, colloid, rust, bacteria, viruses, macromolecular organic matters and the like in the water are intercepted.
The filtering mode of the pure water ultrafiltration component 24 is internal pressure type 'dead-end filtration', the filtering precision is 0.01-0.1 mu m, and the removal rate of bacteria and pathogens reaches 99.99%. During filtration, the pollutants in the water are trapped on the surface of the membrane filaments. When starting system water at every turn, the combination of procedure automatic control ultrafiltration intake, drainage solenoid valve is opened and is closed, utilizes the water conservancy that pure water self priming pump 23 provided to just wash and the back flush the membrane silk surface, reduces the pollution accumulation on membrane silk surface, guarantees the result of use of ultrafiltration.
After the pure water ultrafiltration assembly 24 is automatically flushed, the water discharge electromagnetic valve is closed, the ultrafiltration water production electromagnetic valve is opened, and ultrafiltration begins to produce water. The electromagnetic valves DF1 and DF2 are ultrafiltration water inlet electromagnetic valves, the electromagnetic valves DF3 and DF4 are ultrafiltration water discharge electromagnetic valves, ultrafiltration product water enters a pure water first-stage high-pressure pump 251 through an ultrafiltration product water electromagnetic valve DF5, the pressure is increased to about 0.7MPa, and the ultrafiltration product water enters a pure water first-stage reverse osmosis membrane component 252; the water produced by the pure water first-stage reverse osmosis membrane component 252 enters a pure water second-stage high-pressure pump 261, the pressure is increased to about 0.7MPa, and then enters a pure water second-stage reverse osmosis membrane component 262, and finally purified water is obtained through sterilization by a pure water ultraviolet sterilizer 27. When the first-stage and second-stage pure water high-pressure pumps 251 and 261 are started, the first-stage RO concentrated water electromagnetic valves, the second-stage RO concentrated water electromagnetic valves DF61 and DF62 are opened, the first-stage pure water reverse osmosis membrane assembly 252 and the second-stage pure water reverse osmosis membrane assembly 262 are rapidly washed for 20s (can be set according to actual conditions), and after washing, DF61 and DF62 are closed. The concentrated water discharge amount of the two-stage reverse osmosis membrane component is controlled by a regulating valve, the operating pressure is 0.5-0.8 MPa, and the concentrated water discharge amount can be properly regulated according to the actual operating condition.
The two-stage RO produced water is sterilized by the ultraviolet sterilizer 27 to become purified water and enters the pure water tank 21, and the high, medium and low liquid levels of the pure water tank 21 control the start and stop of the pure water machine 2 and the operation and stop of the second booster pump 22. When the liquid level of the pure water tank 21 is at a high liquid level, the pure water machine 2 is stopped; when the liquid level of the pure water tank 21 is lower than the medium liquid level, the pure water machine 2 is started to start water production. When the liquid level of the pure water tank 21 is higher than the low liquid level, for example, when the water inlet valve of each water consumption device is opened, the second booster pump 22 operates immediately to boost the purified water to each water consumption point.
The water purifier 2 further comprises a pure water air pump 28, and the function of the pure water air pump is the same as that of the pure water air pump 18. The pure water air pump 28 is respectively connected with the water outlet end of the pure water self-priming pump 23, the water producing side of the pure water ultrafiltration component 24, the water producing side of the pure water first-stage reverse osmosis component 252 and the water producing side of the pure water second-stage reverse osmosis component 262 through pipelines.
Check valves are respectively arranged between the pure water air pump 28 and the water outlet end of the pure water self-sucking pump 23, the water producing side of the pure water ultrafiltration component 24, the water producing side of the pure water first-stage reverse osmosis component 252 and the water producing side of the pure water second-stage reverse osmosis component 262;
the gas can only flow from the pure water air pump 28 to the water outlet end of the pure water self-priming pump 23, the water production side of the pure water ultrafiltration component 24, the water production side of the pure water first-stage reverse osmosis component 252, the water production side of the pure water second-stage reverse osmosis component 262 and the water inlet end of the pure water ultraviolet sterilizer 27.
The pure water air pump 28 is connected to a water production pipeline through a purge discharge solenoid valve, and discharges water through a relevant solenoid valve and a purified water intake.
The automatic control device designed by the invention is also provided with an automatic control component, the automatic control component can read information of each sensor, can control the closing and opening of each valve, can control the variable-frequency operation of each pump, can start/stop the water purifier 1 and the water purifier 2, and control the purging and discharging operations of the water purifying air pump 18 and the pure water air pump 28, and further, the automatic control device can automatically control the closing and opening of the corresponding valve, the operation of the corresponding equipment and finally realize the operation of each water channel respectively.
The automatic control device designed by the invention also comprises an alarm system. The pure water tank 11 and the pure water 1 tank 21 are respectively provided with high, middle and low liquid level signals. When the liquid level is higher than the high level, the machine is stopped, when the liquid level is lower than the middle level, the machine is started, when the liquid level is lower than the low level, the conveying of purified water and purified water is stopped, and an alarm is given.
Preferably, the automatic control device further comprises a PLC and a touch screen, so that an operator can operate, monitor and control the equipment conveniently. An operator can control the management equipment through the touch screen, start/stop the equipment, and also can perform system monitoring, running state, process flow, parameter setting, alarm log display and the like of the machine.
The invention uses the following drainage method, including draining the water purifier 1 and draining the water purifier 2;
the drainage of the water purifier 1 comprises:
step 10: opening all water drainage related valves of the water purifier 1, and emptying water stored in the water purifier 1;
step 11: purging the water purification ultrafiltration module 14 by using a water purification air pump 18, wherein the water purification ultrafiltration module 14 comprises a plurality of water purification ultrafiltration units, and purging the water purification ultrafiltration module 14 comprises purging a concentrated water side and a water production side of all the water purification ultrafiltration units respectively;
step 12: purging the concentrate side of the water purification reverse osmosis module 16 using a water purification air pump 18;
step 13: purging the water production side of the water purification reverse osmosis module 16 by using a water purification air pump 18;
step 14: the clean water ultraviolet sterilizer 17 is purged using the clean water air pump 18.
When the purified water air pump 18 is used for purging, a corresponding valve needs to be opened. If the air source on the concentrated water side of the purging water purification reverse osmosis module 16 is opened DF8, the purging on the concentrated water side of the purging water purification reverse osmosis module 16 is carried out after the water production side of the purging water purification ultrafiltration module 16 and the purified water high-pressure pump 15 are purged. In order to obtain better purging effect, multiple automatic purging discharges can be performed, or a manual purging operation can be performed for one of the steps 11-14.
The draining of the water purifier 2 comprises:
step 20: opening all water drainage related valves of the water purification machine 2, and draining water stored in the water purification machine 2;
step 21: purging the pure water ultrafiltration module 24 by using a pure water air pump 28, wherein the pure water ultrafiltration module 24 comprises a plurality of pure water ultrafiltration units, and the purging of the pure water ultrafiltration module 24 comprises sequentially purging a concentrated water side and a water production side of all the pure water ultrafiltration units respectively;
step 22: purging the concentrate side of the pure water primary reverse osmosis module 252 using the pure water air pump 28;
step 23: purging the water production side of the pure water primary reverse osmosis module 252 using the pure water air pump 28;
step 24: purging the concentrate side of the pure water secondary reverse osmosis assembly 262 with the pure water air pump 28;
step 25: purging the water production side of the pure water secondary reverse osmosis assembly 262 using the pure water air pump 28;
step 26: the pure water ultraviolet sterilizer 27 is purged using the pure water air pump 28.
When the pure water air pump 28 is used for purging, the corresponding valve needs to be opened. In order to obtain better purging effect, multiple automatic purging discharges can be performed, or a manual purging operation can be performed for one of the steps 21-26.
The automatic control device for the water path system of the disinfection and sterilization cabin and the drainage method have the advantages of high automation degree, convenience in maintenance, capability of meeting the use requirement of the disinfection and sterilization cabin, and no damage to the system in a low-temperature environment after drainage.
The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (10)
1. An automatic control device of a disinfection and sterilization cabin waterway system is characterized in that,
the automation control device comprises:
the water outlet end of the water purifying bag (31) is connected with the water inlet end of the water purifier (1) and the water inlet end of the water purifier (2) through pipelines;
the water production end of the water purifier (1) is connected with the water inlet end of the water purification tank (11) through a pipeline, and the water production end of the water purifier (1) is also connected with an unqualified water discharge valve (010);
the water production end of the water purifier (2) is connected with the water inlet end of the water purification tank (21) through a pipeline, and the water production end of the water purifier (2) is connected with the unqualified water discharge valve (010);
the tap water pipe is connected with a water inlet end pipeline of the water purifying bag (31);
a submersible pump is arranged in the water purifying bag (31) and is connected with a pipeline at the water inlet end of the fabric cleaning machine (6);
the water outlet end of the water purifying tank (11) is connected with the water inlet end of the first booster pump (12) through a pipeline, and the water outlet end of the first booster pump (12) is connected with the water inlet end of the fabric cleaning machine (6), the water inlet end of the cleaning sterilizer (7) and the water inlet end of the ultrasonic cleaning center (8) through pipelines;
the water outlet end of the pure water tank (21) is connected with the water inlet end of the second booster pump (22) through a pipeline, and the water outlet end of the second booster pump (22) is connected with the water inlet end of the high-temperature sterilizer (4), the water inlet end of the cleaning sterilizer (7) and the water inlet end of the ultrasonic cleaning center (8) through a pipeline;
the waste water end of the fabric cleaning machine (6), the waste water end of the cleaning sterilizer (7) and the waste water end of the ultrasonic cleaning center (8) are connected with the water inlet end of the sewage pump (5) through pipelines;
the water outlet end of the sewage pump (5) is connected with the water inlet end of the sewage bag (32) through a pipeline.
2. The automated control apparatus of claim 1,
purifier (1) has water purification self priming pump (13), water purification ultrafiltration subassembly (14), water purification high-pressure pump (15), water purification reverse osmosis subassembly (16) and water purification ultraviolet sterilizer (17) along water flow direction tube coupling in proper order, water purification ultraviolet sterilizer (17) play water end and water purification case (11) income water end tube coupling.
3. The automated control apparatus of claim 2,
an ultraviolet lamp is arranged in the water purifying tank (11) and is used for sterilization.
4. The automated control apparatus of claim 2 or 3,
the water purifier (1) further comprises a water purifying air pump (18), and the water purifying air pump (18) is connected with the water outlet end of the water purifying self-sucking pump (13), the water producing side of the water purifying ultrafiltration component (14) and the water producing side of the water purifying reverse osmosis component (16) through pipelines.
5. The automated control apparatus of claim 4,
check valves are respectively arranged between the water purifying air pump (18) and the water outlet end of the water purifying self-priming pump (13), between the water producing side of the water purifying ultrafiltration component (14) and between the water producing side of the water purifying reverse osmosis component (16);
the gas can only flow from the purified water air pump (18) to the water outlet end of the purified water self-priming pump (13), the water producing side of the purified water ultrafiltration component (14), the water producing side of the purified water reverse osmosis component (16) and the water inlet end of the purified water ultraviolet sterilizer (17).
6. The automated control apparatus of claim 1,
the water purifier (2) is sequentially connected with a pure water self-sucking pump (23), a pure water ultrafiltration assembly (24), a pure water first-stage high-pressure pump (251), a pure water first-stage reverse osmosis assembly (252), a pure water second-stage high-pressure pump (261), a pure water second-stage reverse osmosis assembly (262) and a pure water ultraviolet sterilizer (27) through pipelines along the water flow direction, and the water outlet end of the pure water ultraviolet sterilizer (27) is connected with the water inlet end pipeline of the pure water tank (21).
7. The automated control apparatus of claim 6,
an ultraviolet lamp is arranged in the water tank (28) of the water purification machine and is used for sterilization.
8. The automated control apparatus of claim 6 or 7,
the water purifier (2) further comprises a pure water air pump (28), and the pure water air pump (28) is connected with the water outlet end of the pure water self-sucking pump (23), the water producing side of the pure water ultrafiltration assembly (24), the water producing side of the pure water first-stage reverse osmosis assembly (252) and the water producing side of the pure water second-stage reverse osmosis assembly (262) through pipelines.
9. The automated control apparatus of claim 8,
check valves are respectively arranged between the pure water air pump (28) and the water outlet end of the pure water self-sucking pump (23), the water producing side of the pure water ultrafiltration component (24), the water producing side of the pure water first-stage reverse osmosis component (252) and the water producing side of the pure water second-stage reverse osmosis component (262);
gas can only flow from the pure water air pump (28) to the water outlet end of the pure water self-priming pump (23), the water producing side of the pure water ultrafiltration component (24), the water producing side of the pure water first-stage reverse osmosis component (252), the water producing side of the pure water second-stage reverse osmosis component (262) and the water inlet end of the pure water ultraviolet sterilizer (27).
10. A method for automatically controlling the drainage of a water channel system of a disinfection and sterilization cabin is characterized by comprising the following steps:
draining the water purifier (1) and draining the water purifier (2);
the draining of the water purifier (1) comprises:
step 10: all water drainage related valves of the water purifier (1) are opened, and water stored in the water purifier (1) is emptied;
step 11: purging a water purification ultrafiltration module (14) by using a water purification air pump (18), wherein the water purification ultrafiltration module (14) comprises a plurality of water purification ultrafiltration units, and purging the water purification ultrafiltration module (14) comprises purging a concentrated water side and a water production side of all the water purification ultrafiltration units respectively;
step 12: purging the concentrate side of the water purification reverse osmosis module (16) with a water purification air pump (18);
step 13: purging the water production side of the water purification reverse osmosis component (16) by using a water purification air pump (18);
step 14: purging the water purification ultraviolet sterilizer (17) by using a water purification air pump (18);
the draining of the pure water machine (2) comprises:
step 20: opening all water drainage related valves of the water purification machine (2), and draining water stored in the water purification machine (2);
step 21: purging a pure water ultrafiltration module (24) by using a pure water air pump (28), wherein the pure water ultrafiltration module (24) comprises a plurality of pure water ultrafiltration units, and the purging of the pure water ultrafiltration module (24) comprises purging a concentrated water side and a water production side of all the pure water ultrafiltration units respectively;
step 22: purging the concentrate side of the pure water first-stage reverse osmosis module (252) using a pure water air pump (28);
step 23: purging a water production side of the pure water first-stage reverse osmosis assembly (252) by using a pure water air pump (28);
step 24: purging the concentrate side of the pure water secondary reverse osmosis module (262) using a pure water air pump (28);
step 25: purging the water production side of the pure water secondary reverse osmosis component (262) by using a pure water air pump (28);
step 26: the pure water ultraviolet sterilizer (27) is purged by using a pure water air pump (28).
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| CN113200642B (en) | 2023-12-01 |
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