CN207121507U - A kind of reverse osmose pure-water system - Google Patents
A kind of reverse osmose pure-water system Download PDFInfo
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- CN207121507U CN207121507U CN201720991670.3U CN201720991670U CN207121507U CN 207121507 U CN207121507 U CN 207121507U CN 201720991670 U CN201720991670 U CN 201720991670U CN 207121507 U CN207121507 U CN 207121507U
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Abstract
The utility model provides a kind of reverse osmose pure-water system,Including raw water box,Raw water pump,More medium filter,Active carbon filter,Automatical softener,Reducing agent dosing tank,Security filter,High-pressure pump,Concentrated water retracting device,Reverse osmosis unit,First ultraviolet sterilizer,Water tank respirator,Pure water tank,Heat sterilization electro-heat equipment,Circulating pump,Ozone machine,Second ultraviolet sterilizer,Millipore filter,Pure water delivery port,Circulation line,Cleaning device is installed in the reverse osmosis unit,The cleaning device includes cleaning case,The outlet valve of cleaning case first,The outlet valve of cleaning case second,Cleaning pump,Cleaning pump outlet valve,First cleaning ball valve,Second cleaning ball valve,First purge valve,Second purge valve,Cleaning fluid,3rd cleaning ball valve,The design can realize the substantial amounts of pure water of fully-automatic production and pure water conductivity is less than 10us/cm,Automatic cleaning reverse osmosis unit provides service life.
Description
Technical field
It the utility model is related to pure water production field, and in particular to a kind of reverse osmose pure-water system.
Background technology
Reverse osmose pure-water system is that one kind collects the technologies such as micro-filtration, absorption, ultrafiltration, counter-infiltration, ultraviolet-sterilization, ultrapureization in one
Body, running water is converted into the device of ultra-pure water.Reverse osmose pure-water system the counter-infiltration of group core parts (RO) film, counter-infiltration
The pure water that pure water system is made is fresher, much cleaner, safer relative to bottled water, because reverse osmosis unit, which has, is divided into one
Level, two level, the rank of three-level, invention of today are studied intensively in two level, three-level, it is desirable to obtain purer pure water, but
Tend to think little of on first-stage reverse osmosis device, quality does not all catch up with demand with quantity.
Utility model content
In view of the shortcomings of the prior art, the utility model provides a kind of reverse osmose pure-water system, being capable of full-automatic metaplasia
Substantial amounts of pure water is produced, and pure water conductivity is low, meets the market demand and can clean reverse osmosis unit raising service life automatically.
To achieve the above object, the utility model adopts the following technical scheme that：
A kind of reverse osmose pure-water system, it is characterised in that including：Raw water box, raw water pump, more medium filter, activated carbon
Filter, automatical softener, regeneration salt box, reducing agent dosing tank, security filter, high-pressure pump, reverse osmosis unit, concentrated water are returned
Receiving apparatus, the first ultraviolet sterilizer, pure water tank, circulating pump, ozone machine, the second ultraviolet sterilizer, millipore filter, pure water
Delivery port, circulation line, cleaning fluid circulation branch road, the raw water box delivery port are connected by pipeline with raw water pump water inlet, institute
State raw water pump delivery port to be connected with more medium filter water inlet by pipeline, the more medium filter delivery port passes through pipeline
It is connected with active carbon filter water inlet, the active carbon filter delivery port is connected by pipeline and automatical softener water inlet
Connect, the automatical softener delivery port is connected by pipeline with security filter water inlet, is connect on the automatical softener
There is regeneration salt box, the reducing agent dosing tank is connected between automatical softener delivery port and security filter water inlet, the peace
Protect filter delivery port to be connected with high-pressure pump water inlet by pipeline, the high-pressure pump delivery port passes through pipeline and reverse osmosis unit
Water inlet is connected, and the reverse osmosis unit delivery port is connected by pipeline with the first ultraviolet sterilizer water inlet, counter-infiltration dress
Put concentrated water delivery port to be connected with concentrated water retracting device water inlet by pipeline, the reverse osmosis unit delivery port branch is connected with clearly
Washing lotion circulation branch road, the first ultraviolet sterilizer delivery port are connected by pipeline with pure water tank water inlet, the pure water tank
Delivery port is connected by pipeline with circulating pump water inlet, and the pure water tank separately has an independent circulation line, and pure water tank is another
Delivery port is connected with independent loops pump water inlet mouth, and independent loops pump out the mouth of a river and are connected with pure water tank water inlet, and the ozone machine connects
Pumped out in independent loops between the mouth of a river and pure water tank water inlet, the circulating pump delivery port passes through pipeline and the second ultraviolet sterilization
Device water inlet is connected, and the second ultraviolet sterilizer delivery port is connected by pipeline with millipore filter water inlet, described micro-
Hole filter delivery port connection circulation line water inlet, the circulation line delivery port connects pure water tank circulation water inlet, described
Pure water delivery port is arranged on circulation line；Cleaning device is provided with reverse osmosis unit.
In the above-mentioned technical solutions, raw water enters filter from raw water box, and raw water pump is to more medium filter and activity
Carbon filter provides service pressure, more medium filter using the purity quartzite filled in filter, when raw water from
When flowing through filter material layer under above, suspension, impurity and particulate matter in water are removed, and make the turbidity of raw water reduce, activated carbon
Filter is a kind of pressure filter, the water through more medium filter preliminary purification, when flowing through the activated carbon bed of material from top to bottom,
Chlorine residue, organic matter, colloidal silicon, peculiar smell and part heavy metal in water are tightly held by activated carbon, so as to the further purification of raw water, warp
The raw water that active carbon filter purifies again enters automatical softener, and it removes soluble ion, institute using softened water equipment
State and regeneration salt box be connected on automatical softener, for regenerating ion in water softener, raw water purify again after by reducing agent
Dosing tank adds the adjustment of row pH value by the tune of PH regulators, and then enters reverse osmosis unit, and the device is continuously removed in water
The inorganic ions such as most of calcium, magnesium, sulfate radical, moreover it is possible to remove in water to most organic matter, bacterium, thermal source virus and particulate
Obtain pure water, the concentrated water removed outside pure water is entered through concentrated water retracting device in the return water tank of access customer, security filter be in order to
Prevent particulate when pretreatment unit works to be leaked into reverse osmosis unit, influence the service life of reverse osmosis unit, high pressure
Pump is to provide service pressure to reverse osmosis unit, handles to obtain big pure water through reverse osmosis unit and is killed by the first ultraviolet
Bacterium device, which kills, enters pure water tank after bacterium in water, its storage and cushioning effect, balance produce water and water outlet, pure water to pure water tank herein
Pure water circulating pump in case enters millipore filter, and millipore filter purifies again to pure water, prevents pure water tank and circulation pipe
The secondary pollution on road, the water quality of guarantee water spot, pure water delivery port is reached after millipore filter is handled, portion of pure water is through pure water
Delivery port is gone out, and remaining pure water is turned again in pure water tank through circulation line, and another circulation line of pure water tank is using smelly
Oxygen machine carries out disinfection to pure water in pure water tank, ensures the quality of pure water stored in pure water tank.
Preferably, the cleaning device includes cleaning case, the outlet valve of cleaning case first, the outlet valve of cleaning case second, cleaning
It is pump, cleaning pump outlet valve, the first cleaning ball valve, the second cleaning ball valve, the first purge valve, the second purge valve, cleaning fluid, the 3rd clear
Ball valve is washed, cleaning fluid is provided with the cleaning case, cleaning case side is sequentially arranged above with the second purge valve, the first cleaning
Valve, the second cleaning ball valve, the first cleaning ball valve, cleaning case lower section is connected with the outlet valve of cleaning case first, cleaning case second in turn
Outlet valve, cleaning pump, cleaning pump outlet valve and the 3rd cleaning ball valve, cleaning fluid enters from security filter water inlet flows through reverse osmosis
Permeable system, regulation filtering film pressure, finally flow through cleaning fluid delivery port and return to cleaning fluid tank, when cleaning starts, component concentrated water, production
Water discharge a period of time, displacement control act on the 30% of cleaning fluid, then whole closed cycle 4-5 hours, after circulation terminates
The first cleaning ball valve and the second cleaning ball valve are opened, allows reverse osmosis water to enter cleaning case, opens the outlet valve of cleaning case second, cleaning
Water valve and the first purge valve are pumped out, starts cleaning pump, the 3rd cleaning ball valve is then adjusted, adjusts pressure value, cleaning fluid is in reverse osmosis
Circulation stops cleaning pump after about 45 minutes in permeable membrane, and pH value is suitably adjusted in cyclic process, after stopping cleaning pump, each valve situation
It is constant, soak within 30 minutes, start cleaning pump, each valve situation is constant, carries out 45 minutes circulation flushings, the cleaning of regulation the 3rd
Ball valve pressure value, cleaning fluid finally enter cleaning fluid circulation branch road from reverse osmosis unit delivery port branch road and concentrated water delivery port branch road
Recycle.
Preferably, the pure water tank includes being arranged on its internal heat sterilization electro-heat equipment and water tank respirator, heat disappear
Toxin fever device is that thermal sterilization processing is carried out to pure water, and water tank respirator is to prevent in air remaining impurity to enter water tank
In.
Preferably, the reverse osmosis unit belongs to first-stage reverse osmosis device.
A kind of beneficial effect of reverse osmose pure-water system provided by the utility model is：
1) full-automatic substantial amounts of pure water can be produced, and pure water conductivity is low, meets the market demand；
2) reverse osmosis unit can be cleaned automatically improves service life.
Brief description of the drawings
Fig. 1 is flow sheet of the present utility model；
Fig. 2 is cleaning device structural representation of the present utility model.
In figure：1st, raw water box；2nd, raw water pump；3rd, more medium filter；4th, active carbon filter；5th, automatical softener；
6th, reducing agent dosing tank；7th, security filter；8th, high-pressure pump；9th, concentrated water retracting device；10th, reverse osmosis unit；11st, first is ultraviolet
Line sterilizer；12nd, water tank respirator；13rd, pure water tank；14th, heat sterilization electro-heat equipment；15th, circulating pump；16th, ozone machine；17th,
Two ultraviolet sterilizers；18th, millipore filter；19th, pure water delivery port；20th, circulation line；21st, cleaning device；22nd, cleaning fluid
Circulation branch road；2101st, cleaning case；2102nd, the outlet valve of cleaning case first；2103rd, the outlet valve of cleaning case second；2104th, cleaning pump；
2105th, cleaning pump outlet valve；2106th, the first cleaning ball valve；2107th, the second cleaning ball valve；2108th, the first purge valve；2109th,
Two purge valves；2110th, cleaning fluid；2111st, the 3rd cleaning ball valve.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clear, complete description, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.The every other embodiment that ordinary people in the field is obtained under the premise of creative work is not made, is belonged to
The scope of protection of the utility model.
Embodiment：A kind of reverse osmose pure-water system.
Shown in reference picture 1, a kind of reverse osmose pure-water system, it is characterised in that including：Raw water box 1, raw water pump 2, multimedium
Filter 3, active carbon filter 4, automatical softener 5, reducing agent dosing tank 6, security filter 7, high-pressure pump 8, counter-infiltration
Device 10, concentrated water retracting device 9, the first ultraviolet sterilizer 11, pure water tank 13, circulating pump 15, ozone machine 16, the second ultraviolet
Sterilizer 17, millipore filter 18, pure water delivery port 19, circulation line 20, cleaning fluid circulation branch road 22, the raw water box 1 go out
The mouth of a river is connected by pipeline with the water inlet of raw water pump 2, and the delivery port of raw water pump 2 is intake by pipeline and more medium filter 3
Mouth connection, the delivery port of more medium filter 3 are connected by pipeline with the water inlet of active carbon filter 4, the activated carbon mistake
The delivery port of filter 4 is connected by pipeline with the water inlet of automatical softener 5, and the delivery port of automatical softener 5 passes through pipeline
It is connected with the water inlet of security filter 7, regeneration salt box is connected on the automatical softener 5, the reducing agent dosing tank 6 connects
Between the delivery port of automatical softener 5 and the water inlet of security filter 7, the delivery port of security filter 7 passes through pipeline and height
The water inlet of press pump 8 is connected, and the delivery port of high-pressure pump 8 is connected by pipeline with the water inlet of reverse osmosis unit 10, the counter-infiltration
The delivery port of device 10 is connected by pipeline with the water inlet of the first ultraviolet sterilizer 11, and the concentrated water delivery port of reverse osmosis unit 10 passes through
Pipeline is connected with the water inlet of concentrated water retracting device 9, and the delivery port branch of reverse osmosis unit 10 is connected with cleaning fluid circulation branch road
22, the delivery port of the first ultraviolet sterilizer 11 is connected by pipeline with the water inlet of pure water tank 13, the water outlet of pure water tank 13
Mouthful it is connected by pipeline with the water inlet of circulating pump 15, the pure water tank 13 is another an independent circulation line, and pure water tank 13 is another
One delivery port is connected with independent loops pump water inlet mouth, and independent loops pump out the mouth of a river and are connected with the water inlet of pure water tank 13, the ozone
Machine 16 is connected on independent loops and pumped out between the mouth of a river and the water inlet of pure water tank 13, and the delivery port of circulating pump 15 passes through pipeline and
The water inlet of two ultraviolet sterilizer 17 connects, and the delivery port of the second ultraviolet sterilizer 17 passes through pipeline and millipore filter 18
Water inlet connects, and the delivery port of millipore filter 18 connects the water inlet of circulation line 20, and the delivery port of circulation line 20 connects
The circulation water inlet of pure water tank 13 is connect, the pure water delivery port 19 is arranged on circulation line 20；It is provided with reverse osmosis unit 10
Cleaning device 21.
In the above-mentioned technical solutions, raw water enters filter from raw water box 1, and raw water pump 2 is to more medium filter 3 and lives
Property carbon filter 4 service pressure is provided, more medium filter 3 works as original using the purity quartzite filled in filter
When water flows through filter material layer from top to bottom, suspension, impurity and particulate matter in water are removed, and make the turbidity of raw water reduce, living
Property carbon filter 4 is a kind of pressure filter, the water through the preliminary purification of more medium filter 3, flows through activated carbon from top to bottom
During the bed of material, chlorine residue, organic matter, colloidal silicon, peculiar smell and part heavy metal in water are tightly held by activated carbon, so as to further to raw water
Purification, the raw water purified again through active carbon filter 4 enter automatical softener 5, and it is removed solvable using softened water equipment
Property ion, regeneration salt box is connected on the automatical softener 5, for regenerating ion in water softener, after raw water purifies again
The adjustment of row pH value is added by the tune of PH regulators into reducing agent dosing tank 6, and then enters reverse osmosis unit 10, the device
It is continuous to remove the inorganic ions such as most of calcium, magnesium, sulfate radical in water, moreover it is possible to remove in water to most organic matter, bacterium, heat
Source virus and particulate obtain pure water, and the concentrated water removed outside pure water is entered through concentrated water retracting device 9 in the return water tank of access customer, security
Particulate when filter 7 is to prevent that pretreatment unit from working is leaked into reverse osmosis unit 10, influences reverse osmosis unit
10 service life, high-pressure pump 8 are to provide service pressure to reverse osmosis unit 10, handle and are obtained greatly through reverse osmosis unit 10
Pure water killed by the first ultraviolet sterilizer 11 and enter pure water tank 13 in water after bacterium, its storage herein of pure water tank 13 with
Cushioning effect, balance and produce water and water outlet, the pure water in pure water tank 13 enters millipore filter 18, millipore filter through circulating pump 15
18 pairs of pure water purify again, prevent the secondary pollution of pure water tank 13 and circulation line 20, the water quality of guarantee water spot, through micropore
Pure water delivery port 19 is reached after the processing of filter 18, portion of pure water is gone out through pure water delivery port 19, and remaining pure water is through circulation
Pipeline 20 is turned again in pure water tank 13, and 13 another circulation line of pure water tank is that pure water in pure water tank 13 is entered using ozone machine 16
Row sterilization, ensure the quality of pure water stored in pure water tank 13.
Shown in reference picture 2, the cleaning device 21 includes cleaning case 2101, the first outlet valve of cleaning case 2102, cleaning case
Second outlet valve 2103, cleaning pump 2104, cleaning pump outlet valve 2105, first clean ball valve 2106, second clean ball valve 2107,
First purge valve 2108, the second purge valve 2109, cleaning fluid the 2110, the 3rd clean ball valve 2111, are set in the cleaning case 2101
Cleaning fluid 2110 is equipped with, the side of cleaning case 2101 is sequentially arranged above with the second purge valve 2109, the first purge valve 2108, second
Clean ball valve 2107, first and clean ball valve 2106, the lower section of cleaning case 2101 is connected with the first outlet valve of cleaning case 2102, clear in turn
The second outlet valve of tank-washer 2103, cleaning pump 2104, cleaning pump outlet valve 2105 and the 3rd clean ball valve 2111, cleaning fluid 2110
Enter from the water inlet of security filter 7 and flow through counter-infiltration system 10, regulation filtering film pressure, finally flow through cleaning fluid delivery port and return
To cleaning fluid tank 2101, when cleaning starts, component concentrated water, production water discharge a period of time, displacement control is in cleaning fluid 2110
30% effect, then whole closed cycle 4-5 hours, circulation open the first cleaning ball valve 2106 and second and clean ball valve after terminating
2107, allow reverse osmosis water to enter cleaning case 2101, open the second outlet valve of cleaning case 2103, cleaning pump outlet valve 2105 and first
Purge valve 2108, start cleaning pump 2104, then adjust the 3rd cleaning ball valve 2111, adjust pressure value, cleaning fluid 2110 is anti-
Circulation stops cleaning pump 2104 after about 45 minutes in permeable membrane, and pH value is suitably adjusted in cyclic process, after stopping cleaning pump 2104,
Each valve situation is constant, soak within 30 minutes, starts cleaning pump 2104, and each valve situation is constant, carries out 45 minutes circulating flushings
Wash, the cleaning pressure value of ball valve 2111 of regulation the 3rd, cleaning fluid 2110 finally enters from the delivery port branch road of reverse osmosis unit 10 to be cleaned
Liquid circulation branch road 22 recycles.
Shown in reference picture 1, the pure water tank 13 includes being arranged on its internal heat sterilization electro-heat equipment 14 and water tank is exhaled
Haustorium 12, heat sterilization electro-heat equipment 14 are to carry out thermal sterilization processing to pure water, and water tank respirator 12 is to prevent its in air
Remaining impurity is entered in water tank.
Shown in reference picture 1, the reverse osmosis unit 10 belongs to first-stage reverse osmosis device.
Described above is preferred embodiment of the present utility model, but the utility model should not be limited to the embodiment and
Accompanying drawing disclosure of that, so every do not depart from the lower equivalent or modification completed of spirit disclosed in the utility model, all fall
Enter the scope of the utility model protection.
Claims (4)
- A kind of 1. reverse osmose pure-water system, it is characterised in that including：Raw water box, raw water pump, more medium filter, activated carbon mistake Filter, automatical softener, reducing agent dosing tank, security filter, high-pressure pump, reverse osmosis unit, concentrated water retracting device, first Ultraviolet sterilizer, pure water tank, circulating pump, ozone machine, the second ultraviolet sterilizer, millipore filter, pure water delivery port, circulation Pipeline, cleaning fluid circulation branch road, the raw water box delivery port are connected by pipeline with raw water pump water inlet, the raw water pump water outlet Mouth is connected by pipeline with more medium filter water inlet, and the more medium filter delivery port passes through pipeline and activated carbon filters Device water inlet is connected, and the active carbon filter delivery port be connected by pipeline with automatical softener water inlet, it is described entirely oneself Dynamic water softener delivery port is connected by pipeline with security filter water inlet, and regeneration salt box is connected on the automatical softener, The reducing agent dosing tank is connected between automatical softener delivery port and security filter water inlet, the security filter water outlet Mouth is connected by pipeline with high-pressure pump water inlet, and the high-pressure pump delivery port is connected by pipeline with reverse osmosis unit water inlet, The reverse osmosis unit delivery port is connected by pipeline with the first ultraviolet sterilizer water inlet, reverse osmosis unit concentrated water delivery port It is connected by pipeline with concentrated water retracting device water inlet, the reverse osmosis unit delivery port branch, reverse osmosis unit concentrated water water outlet Mouth branch is connected with cleaning fluid circulation branch road, and the first ultraviolet sterilizer delivery port passes through pipeline and pure water tank water inlet connects Connect, the pure water tank delivery port is connected by pipeline with circulating pump water inlet, and the pure water tank separately has an independent circulation pipe Road, pure water tank delivery port are connected with independent loops pump water inlet mouth, and independent loops pump out the mouth of a river and are connected with pure water tank water inlet, described Ozone machine is connected on independent loops and pumped out between the mouth of a river and pure water tank water inlet, and the circulating pump delivery port is purple by pipeline and second Outside line sterilizer water inlet is connected, and the second ultraviolet sterilizer delivery port is connected by pipeline and millipore filter water inlet Connect, the millipore filter delivery port connects circulation line water inlet, the circulation line delivery port connection pure water tank circulate into The mouth of a river, the pure water delivery port are arranged on circulation line；Cleaning device is provided with reverse osmosis unit.
- A kind of 2. reverse osmose pure-water system as claimed in claim 1, it is characterised in that：The cleaning device include cleaning case, The outlet valve of cleaning case first, the outlet valve of cleaning case second, cleaning pump, cleaning pump outlet valve, the first cleaning ball valve, the second rotating wash bowl Valve, the first purge valve, the second purge valve, cleaning fluid, the 3rd clean ball valve, and cleaning fluid, cleaning case are provided with the cleaning case Side is sequentially arranged above with the second purge valve, the first purge valve, the second cleaning ball valve, the first cleaning ball valve, cleaning case lower section It is connected with the outlet valve of cleaning case first, the outlet valve of cleaning case second, cleaning pump, cleaning pump outlet valve and the 3rd rotating wash bowl in turn Valve.
- A kind of 3. reverse osmose pure-water system as claimed in claim 1, it is characterised in that：The pure water tank includes being arranged in it The heat sterilization electro-heat equipment and water tank respirator in portion.
- A kind of 4. reverse osmose pure-water system as claimed in claim 1, it is characterised in that：It is anti-that the reverse osmosis unit belongs to one-level Permeability apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720991670.3U CN207121507U (en) | 2017-08-09 | 2017-08-09 | A kind of reverse osmose pure-water system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720991670.3U CN207121507U (en) | 2017-08-09 | 2017-08-09 | A kind of reverse osmose pure-water system |
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| Publication Number | Publication Date |
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| CN207121507U true CN207121507U (en) | 2018-03-20 |
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| CN201720991670.3U Active CN207121507U (en) | 2017-08-09 | 2017-08-09 | A kind of reverse osmose pure-water system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108423899A (en) * | 2018-04-12 | 2018-08-21 | 中国农业科学院农田灌溉研究所 | A kind of purification method of river sewage efficient process for irrigation |
| CN111115927A (en) * | 2020-01-16 | 2020-05-08 | 西藏华阳供热工程服务有限公司 | Plateau type heat-preservation and water-purification integrated equipment |
| CN111140898A (en) * | 2020-01-16 | 2020-05-12 | 西藏华阳供热工程服务有限公司 | Heating system containing drinking water |
| CN111138012A (en) * | 2020-01-16 | 2020-05-12 | 西藏华阳供热工程服务有限公司 | Plateau water filtering system |
| CN111573928A (en) * | 2020-04-15 | 2020-08-25 | 杭州娃哈哈科技有限公司 | Method for producing packaged drinking water by combining ultraviolet sterilization and micro-ozone sterilization |
| CN111689621A (en) * | 2019-03-12 | 2020-09-22 | 广州久道家用电器有限公司 | Water treatment method |
-
2017
- 2017-08-09 CN CN201720991670.3U patent/CN207121507U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108423899A (en) * | 2018-04-12 | 2018-08-21 | 中国农业科学院农田灌溉研究所 | A kind of purification method of river sewage efficient process for irrigation |
| CN111689621A (en) * | 2019-03-12 | 2020-09-22 | 广州久道家用电器有限公司 | Water treatment method |
| CN111115927A (en) * | 2020-01-16 | 2020-05-08 | 西藏华阳供热工程服务有限公司 | Plateau type heat-preservation and water-purification integrated equipment |
| CN111140898A (en) * | 2020-01-16 | 2020-05-12 | 西藏华阳供热工程服务有限公司 | Heating system containing drinking water |
| CN111138012A (en) * | 2020-01-16 | 2020-05-12 | 西藏华阳供热工程服务有限公司 | Plateau water filtering system |
| CN111573928A (en) * | 2020-04-15 | 2020-08-25 | 杭州娃哈哈科技有限公司 | Method for producing packaged drinking water by combining ultraviolet sterilization and micro-ozone sterilization |
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