CN113562901B - Water processing system is used in washing of hospital - Google Patents
Water processing system is used in washing of hospital Download PDFInfo
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- CN113562901B CN113562901B CN202110821111.9A CN202110821111A CN113562901B CN 113562901 B CN113562901 B CN 113562901B CN 202110821111 A CN202110821111 A CN 202110821111A CN 113562901 B CN113562901 B CN 113562901B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 184
- 238000005406 washing Methods 0.000 title claims description 9
- 238000012545 processing Methods 0.000 title claims description 5
- 238000001728 nano-filtration Methods 0.000 claims abstract description 74
- 238000011010 flushing procedure Methods 0.000 claims abstract description 42
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 claims abstract description 8
- 230000001502 supplementing effect Effects 0.000 claims abstract 4
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 15
- 239000012528 membrane Substances 0.000 abstract description 11
- 150000003839 salts Chemical class 0.000 abstract description 11
- 230000010485 coping Effects 0.000 abstract 1
- 238000000108 ultra-filtration Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 230000003020 moisturizing effect Effects 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000000502 dialysis Methods 0.000 description 3
- 229910001415 sodium ion Inorganic materials 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003651 drinking water Substances 0.000 description 2
- 235000020188 drinking water Nutrition 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910017053 inorganic salt Inorganic materials 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/442—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by nanofiltration
-
- 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
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention belongs to the technical field of medical flushing water, and particularly discloses a hospital flushing water treatment system which comprises a concentrated water tank, a booster pump, a nanofiltration device, a flushing water tank, a delivery pump, an ultraviolet sterilizer, a microporous filter and a water supplementing unit, wherein the water supplementing unit comprises a conductivity meter, a normally closed solenoid valve I and a controller which are connected through electric signals, the conductivity meter is installed at a water production port of the nanofiltration device, a branch pipe is connected between a pure water outlet of the reverse osmosis device and the flushing water tank, the normally closed solenoid valve I is installed on the branch pipe, and the controller controls the normally closed solenoid valve I to be opened and closed. By adopting the scheme of the invention, when the conductivity meter detects that the water quality of the water outlet of the nanofiltration device does not reach the standard, the controller opens the normally closed solenoid valve I, and the pure water discharged by the reverse osmosis device is introduced into the flushing water tank through the branch pipe so as to neutralize the salt content in the flushing water tank, thus being capable of coping with the situations of use in special environment, filter membrane blockage in the nanofiltration device and the like.
Description
Technical Field
The invention belongs to the technical field of medical flushing water, and particularly relates to a hospital flushing water treatment system.
Background
With the gradual maturity of the pure water technology, the application of the pure water technology in the medical industry is increasingly wide, and the pure water is prepared and used in various newly-built hospitals and the transformation processes of the existing hospitals. According to different requirements of different departments of a hospital on the quality of pure water, the produced water is divided into drinking water, dialysis water, inspection water, cleaning water, secondary cleaning water, flushing water, softened water and the like in the industry at present.
Among them, drinking water, dialysis water, inspection water and the like have high requirements on water quality, and cleaning water, secondary cleaning water, flushing water, softened water and the like have slightly lower requirements on water quality, so that in order to save water resources, RO concentrated water is treated and then used as flushing water in the system design, so as to realize the recycling of water resources.
However, in some special use environments, such as low-lying areas in coastal areas, the phenomenon of seawater backflow can occur, so that the content of sodium ions in concentrated water produced by an RO system is seriously exceeded, and although the pores of a filter membrane in an ultrafiltration device are extremely small, most of sodium ions can be filtered, the problem of blockage of the filter membrane in ultrafiltration is found in the practical application process, so that the system needs to be frequently maintained and replaced, the cost input is increased, and the normal use of the system is also influenced.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a hospital flushing water treatment system, which aims to solve the problems that the conventional filter membrane in ultrafiltration is blocked quickly when the concentration of sodium ions seriously exceeds the standard, so that the system needs to be maintained and replaced frequently, the cost input is increased, and the normal use of the system is influenced.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a hospital is with washing water processing system, connects between reverse osmosis unit's dense water export and washing water point, includes dense water tank, booster pump, nanofiltration device, flush tank, delivery pump, ultraviolet sterilizer and the millipore filter that communicates in proper order through the pipeline, still includes the moisturizing unit, the moisturizing unit includes electric signal connection's conductivity meter, normally closed solenoid valve I and controller, and the water outlet department that produces at nanofiltration device is installed to the conductivity meter, is connected with the bleeder between reverse osmosis unit's pure water export and flush tank, and normally closed solenoid valve I is installed on the bleeder, controller control the opening and close of normally closed solenoid valve I.
Compared with the prior art, the invention has the following beneficial effects:
1. this scheme is through the raw water as washing water processing system with the dense water among the reverse osmosis unit, the effect of recycle has been played waste water, in this scheme in addition, adopt the nanofiltration device to carry out the filtering to the inorganic salt of dense aquatic, such mode is compared in the ultrafiltration, on the one hand, adopt the nanofiltration device can reach the standard of washing water, on the other hand, the ultrafiltration is because the hole of filter membrane is littleer than the hole of receiving the filter membrane, although its filter effect is better, but also jam more easily, make the system that adopts the ultrafiltration more frequent maintenance or change, the input of cost is improved, and receive and strain because the filtration pore will be less than the filtration pore of ultrafiltration, consequently can not frequently blockked up.
2. In this scheme, when the conductivity meter detects that the quality of water at the mouth of a river is produced to the nanofiltration device does not reach the standard, give the controller with signal transmission, normally closed solenoid valve I is opened to the controller, in leading-in to the flush tank of reverse osmosis unit exhaust pure water through the lateral pipe to in the salt content of neutralization flush tank, just so can deal with and use under special environment, perhaps receive the situation such as filter membrane jam in the nanofiltration device.
Further, the bottom of the concentrated water tank is provided with an emptying pipe, and a valve is arranged on the emptying pipe.
Has the advantages that: when the concentration produced by the reverse osmosis device is far higher than the required water supply of the system, the reverse osmosis device can be discharged through the emptying pipe.
Furthermore, a valve is arranged at the water inlet end of the booster pump, and a check valve is arranged at the water outlet end of the booster pump.
Has the advantages that: when the system is required to be completely stopped for maintenance, the valve can be closed, and concentrated water is prevented from entering the delivery pump and being damaged.
Furthermore, the end of intaking of delivery pump is equipped with the valve, and the delivery pump's play water end is equipped with the check valve.
Has the advantages that: when the system is required to be completely stopped for maintenance, the valve can be closed, and the residual concentrated water in the pipeline is prevented from returning to the delivery pump and being damaged.
Further, an ozone generator is connected in parallel between the flushing water tank and a pipeline at the rear end of the delivery pump.
Has the beneficial effects that: thus, the ozone generated by the ozone generator can enter the flushing water tank and the pipeline at the rear end of the delivery pump, so that the whole flushing water tank and the pipeline are disinfected.
Furthermore, the position of the ozone generator is higher than the flushing water tank and a pipeline connected with the delivery pump, and the output end of the ozone generator close to one side of the delivery pump is connected with a one-way valve.
Has the advantages that: this prevents the flush tank and the water in the line from flowing back into the ozone generator.
Further, it is equipped with two sets to receive the filter equipment, receive the filter and assist respectively for the owner of establishing ties and receive the filter, still include first conveyer pipe, and the water inlet and the product water mouth of assisting the filter are connected respectively at the both ends of first conveyer pipe, are equipped with normally open solenoid valve I on the first conveyer pipe, are equipped with normally closed solenoid valve II in the water inlet department of assisting the filter, are equipped with normally closed solenoid valve III in the product water mouth department of assisting the filter, and normally open solenoid valve I, normally closed solenoid valve II and normally closed solenoid valve III all with controller signal of electricity connection.
Has the advantages that: with the arrangement, on one hand, when the reverse osmosis membrane is used in special environments, such as regions with low coastal topography, the content of inorganic salts in raw water is far higher than that in other regions due to reverse irrigation of seawater, so that the concentration of the inorganic salts in concentrated water discharged by the reverse osmosis device is also far higher than that in other regions, and therefore, when the reverse osmosis membrane meets the condition, the auxiliary nanofiltration can play a role in assisting filtration so as to ensure that the concentration of the inorganic salts in produced water meets the standard requirement. On the other hand, the auxiliary nanofiltration device can also enable the content of inorganic salts in the produced water to be rapidly reduced, so that the standard of flushing water is reached, and the consumption of pure water produced by the reverse osmosis device is reduced.
The device further comprises a second conveying pipe, wherein the two ends of the second conveying pipe are respectively connected with a main water inlet and a main water outlet which are used for nanofiltration, a normally-closed valve is arranged on the second conveying pipe, a normally-opened valve I is arranged at the main water inlet which is used for nanofiltration, and a normally-opened valve II is arranged at the main water outlet which is used for nanofiltration.
Has the advantages that: the arrangement is that when the main nanofiltration is required to be maintained or replaced, the normally-closed valve on the second conveying pipe is opened first, and then the normally-open valve I and the normally-open valve II are closed, so that the main nanofiltration can be maintained or replaced, and meanwhile, the produced water of the system cannot be suspended due to maintenance, and the supply of flushing water is guaranteed.
Furthermore, the auxiliary nanofiltration is arranged close to the booster pump, and the main nanofiltration is arranged close to the flushing water tank.
Has the advantages that: by the arrangement, when the auxiliary nanofiltration is needed, the concentrated water containing high-concentration inorganic salt firstly enters the auxiliary nanofiltration, under the action of the auxiliary nanofiltration, the salt content of the water flow entering the main nanofiltration is reduced, so that the workload of the main nanofiltration is reduced.
Drawings
Fig. 1 is a schematic flow chart of embodiment 1 of the present invention.
Fig. 2 is a schematic flow diagram at a nanofiltration device in example 2 of the present invention.
Fig. 3 is a schematic flow diagram at a nanofiltration device in example 3 of the present invention.
Reference numerals in the drawings of the specification include: the device comprises a reverse osmosis device 1, a pure water tank 2, a concentrated water tank 3, a booster pump 4, a nano-filtration device 5, an emptying pipe 6, a flushing water tank 7, a conductivity meter 8, a normally closed electromagnetic valve I9, a branch pipe 10, a delivery pump 11, an ultraviolet sterilizer 12, a micro-pore filter 13, a flushing water point 14, an ozone generator 15, a reflux pipe 16, a main nano-filtration 20, an auxiliary nano-filtration 21, a first delivery pipe 22, a normally open electromagnetic valve I23, a normally closed electromagnetic valve II 24, a normally closed electromagnetic valve III 25, a second delivery pipe 30, a normally closed valve 31, a normally open valve I32 and a normally open valve II 33.
Detailed Description
The invention is further described in detail below with reference to the accompanying drawings, and specific embodiments are given.
Example 1:
as shown in FIG. 1, the reverse osmosis apparatus 1 of the present embodiment includes a concentrated water outlet and a pure water outlet, wherein the pure water outlet is connected to a pure water tank 2 through a pipeline, and the pure water tank 2 supplies water for dialysis, test water, and the like.
In this embodiment, a water treatment system for flushing of hospital connects reverse osmosis unit 1's dense water export, includes dense water tank 3, booster pump 4 and nanofiltration device 5 that connect gradually through the pipeline, and 3 bottoms of dense water tank are equipped with evacuation pipe 6, install the valve on the evacuation pipe 6, are equipped with the valve at the end of intaking of booster pump 4, and go out the water end and be equipped with the check valve, and nanofiltration device 5's dense water export is arranged to the trench through the pipeline outward, and nanofiltration device 5's product water mouth has flush tank 7 through the tube coupling.
Still include the moisturizing unit, the moisturizing unit includes electric signal connection's conductivity meter 8 in this embodiment, normally closed solenoid valve I9 and controller, wherein conductivity meter 8 installs in nanofiltration device 5 produces the water mouth department, be connected with bleeder 10 between reverse osmosis device 1's pure water export and flush tank 7, normally closed solenoid valve I9 is installed on bleeder 10, when conductivity meter 8 detects that the quality of water of nanofiltration device 5 production mouth does not reach the standard, transmit the signal to the controller, normally closed solenoid valve I9 is opened to the controller, lead to the flush tank 7 through bleeder 10 with reverse osmosis device 1 exhaust pure water in, with the salt content in the neutralization flush tank 7.
The water outlet of the flushing water tank 7 is sequentially connected with a delivery pump 11, an ultraviolet sterilizer 12 and a microporous filter 13, the water outlet of the microporous filter 13 is connected with a flushing water point 14, a valve is arranged at the water inlet end of the delivery pump 11, a check valve is arranged at the water outlet end, an ozone generator 15 is connected in parallel between the flushing water tank 7 and the pipeline at the rear end of the delivery pump 11, the ozone generator 15 is higher than the flushing water tank 7 and the pipeline connected with the delivery pump 11, and the output end of the ozone generator 15 close to one side of the delivery pump 11 is connected with a one-way valve to prevent water from flowing back, so that ozone generated by the ozone generator 15 can enter the pipeline at the rear end of the flushing water tank 7 and the delivery pump 11, and the whole flushing water tank 7 and the pipeline are disinfected.
In addition, in this embodiment, two sets of the delivery pumps 11 are provided and connected in parallel to the water outlet of the flush water tank 7, a backflow pipe 16 is further connected between the flushing water point 14 and the flush water tank 7, a valve is provided on the backflow pipe 16, and one end of the backflow pipe 16, which is far away from the flushing water point 14, is connected to the top of the flush water tank 7.
In this embodiment, the concentrated water produced by the reverse osmosis device 1 is transported into the nanofiltration device 5 under the action of the booster pump 4, after being treated by the nanofiltration device 5, the concentration of inorganic salts in the concentrated water is reduced, the produced pure water enters the flush water tank 7, the concentrated water is discharged into a trench, the pure water entering the flush water tank 7 is pressurized by the transport pump 11, and enters the flushing water point 14 after being sterilized and filtered by the ultraviolet sterilizer 12 and the microporous filter 13, and when the flushing water point 14 is empty of water, the pure water returns to the flush water tank 7 through the reverse flow pipe 16.
Example 2:
the difference from the embodiment 1 is that, in combination with fig. 2, the nanofiltration device 5 in this embodiment is provided with two sets, namely, a main nanofiltration 20 and an auxiliary nanofiltration 21, wherein the auxiliary nanofiltration 21 is arranged close to the booster pump 4, the main nanofiltration 20 is arranged close to the flushing water tank 7, and the main nanofiltration 20 and the auxiliary nanofiltration 21 are connected in series, that is, the water producing port of the auxiliary nanofiltration 21 is connected with the water inlet of the main nanofiltration 20.
The auxiliary nanofiltration part is connected with a first conveying pipe 22 in parallel, namely two ends of the first conveying pipe 22 are respectively connected with a water inlet and a water production port of the auxiliary nanofiltration, a normally open electromagnetic valve I23 is arranged on the first conveying pipe 22, a normally closed electromagnetic valve II 24 is arranged at the water inlet of the auxiliary nanofiltration part, a normally closed electromagnetic valve III 25 is arranged at the water production port of the auxiliary nanofiltration part, and the normally open electromagnetic valve I23, the normally closed electromagnetic valve II 24 and the normally closed electromagnetic valve III 25 are all in electric signal connection with a controller.
When the conductivity meter 8 detects that the content of inorganic salts in the water produced by the main nanofiltration device 20 is too high and exceeds the standard, a signal is sent to the controller, the controller closes the normally open electromagnetic valve I23 and simultaneously opens the normally closed electromagnetic valve II 24 and the normally closed electromagnetic valve III 25, so that the auxiliary nanofiltration device 21 starts to work, and thus under the combined action of the main nanofiltration device 20 and the auxiliary nanofiltration device, the content of the inorganic salts in the produced water can be rapidly reduced, the standard of flushing water is reached, and the consumption of the pure water produced by the reverse osmosis device 1 is reduced.
Example 3:
the difference from the embodiment 2 is that, as shown in fig. 3, in this embodiment, a second conveying pipe 30 is connected in parallel to the main nanofiltration 20, that is, two ends of the second conveying pipe 30 are respectively connected to the water inlet and the water outlet of the main nanofiltration 20, a normally-closed valve 31 is disposed on the second conveying pipe 30, a normally-open valve i 32 is disposed at the water inlet of the main nanofiltration 20, and a normally-open valve ii 33 is disposed at the water outlet of the main nanofiltration 20.
When the main nanofiltration membrane 20 needs to be maintained or replaced, the normally-closed valve 31 on the second conveying pipe 30 is opened, and then the normally-open valve I32 and the normally-open valve II 33 are closed, so that the main nanofiltration membrane 20 can be maintained or replaced, and meanwhile, the water production of the system cannot be suspended due to maintenance, so that the supply of flushing water is ensured.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (5)
1. The utility model provides a hospital is with washing water processing system, connects between reverse osmosis unit's dense water export and wash with water point, its characterized in that: the device comprises a concentrated water tank, a booster pump, a nanofiltration device, a flushing water tank, a delivery pump, an ultraviolet sterilizer and a microporous filter which are sequentially communicated through pipelines, and further comprises a water supplementing unit, wherein the water supplementing unit comprises a conductivity meter, a normally closed electromagnetic valve I and a controller which are connected through electric signals, the conductivity meter is installed at a water production port of the nanofiltration device, a branch pipe is connected between a pure water outlet of the reverse osmosis device and the flushing water tank, the normally closed electromagnetic valve I is installed on the branch pipe, and the controller controls the normally closed electromagnetic valve I to be opened and closed; an ozone generator is connected in parallel between the flushing water tank and the pipeline at the rear end of the delivery pump, the ozone generator is higher than the flushing water tank and the pipeline connected with the delivery pump, and the output end of the ozone generator, which is close to one side of the delivery pump, is connected with a one-way valve; the nanofiltration device comprises two sets of nanofiltration devices, a first conveying pipe and a second conveying pipe, wherein the two sets of nanofiltration devices are respectively a main nanofiltration device and an auxiliary nanofiltration device which are connected in series, the two ends of the first conveying pipe are respectively connected with a water inlet and a water production port of the auxiliary nanofiltration device, the first conveying pipe is provided with a normally open electromagnetic valve I, the water inlet of the auxiliary nanofiltration device is provided with a normally closed electromagnetic valve II, the water production port of the auxiliary nanofiltration device is provided with a normally closed electromagnetic valve III, and the normally open electromagnetic valve I, the normally closed electromagnetic valve II and the normally closed electromagnetic valve III are all in electric signal connection with a controller; the device is characterized by further comprising a second conveying pipe, wherein the two ends of the second conveying pipe are respectively connected with a water inlet and a water outlet of the main nanofiltration device, a normally-closed valve is arranged on the second conveying pipe, a normally-open valve I is arranged at the water inlet of the main nanofiltration device, and a normally-open valve II is arranged at the water outlet of the main nanofiltration device.
2. The hospital-use flushing water treatment system according to claim 1, characterized in that: an emptying pipe is arranged at the bottom of the concentrated water tank, and a valve is arranged on the emptying pipe.
3. The hospital-use flushing water treatment system according to claim 1, characterized in that: the water inlet end of the booster pump is provided with a valve, and the water outlet end of the booster pump is provided with a check valve.
4. The hospital washing water treatment system according to claim 1, characterized in that: the water inlet end of the conveying pump is provided with a valve, and the water outlet end of the conveying pump is provided with a check valve.
5. The hospital washing water treatment system according to claim 1, characterized in that: the auxiliary nanofiltration is arranged close to the booster pump, and the main nanofiltration is arranged close to the flushing water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110821111.9A CN113562901B (en) | 2021-07-20 | 2021-07-20 | Water processing system is used in washing of hospital |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110821111.9A CN113562901B (en) | 2021-07-20 | 2021-07-20 | Water processing system is used in washing of hospital |
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| CN113562901A CN113562901A (en) | 2021-10-29 |
| CN113562901B true CN113562901B (en) | 2023-04-18 |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202342994U (en) * | 2011-10-13 | 2012-07-25 | 内蒙古伊利实业集团股份有限公司 | Filtering system for replacing filter element on line |
| CN106186193A (en) * | 2016-08-25 | 2016-12-07 | 浙江沁园水处理科技有限公司 | Anti-penetration water purifier |
| CN207025096U (en) * | 2017-07-05 | 2018-02-23 | 宜宾丝丽雅股份有限公司 | Receive filter membrane device |
| CN109987734A (en) * | 2019-05-22 | 2019-07-09 | 世保康环境电器(南京)有限公司 | The micro- concentrated water collecting and filtering apparatus of full film |
| CN213327119U (en) * | 2020-07-29 | 2021-06-01 | 重庆博创水处理设备有限公司 | Medical water centralized water-making quality-based direct supply system |
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