CN108773926A - A kind of sustainable production equipment for purified water used - Google Patents
A kind of sustainable production equipment for purified water used Download PDFInfo
- Publication number
- CN108773926A CN108773926A CN201810559875.3A CN201810559875A CN108773926A CN 108773926 A CN108773926 A CN 108773926A CN 201810559875 A CN201810559875 A CN 201810559875A CN 108773926 A CN108773926 A CN 108773926A
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- Prior art keywords
- water
- pretreatment system
- stream channel
- production equipment
- cylinder
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- 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
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- 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)
- Water Treatment By Sorption (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a kind of sustainable production equipment for purified water used, including cylinder, the inside of the pretreatment system is divided into uniform three pretreatments segment by partition board, the both ends of the pretreatment system are both provided with telescopic component, the intermediate position of the circle pillar is provided with the water stream channel of vertical direction, the both sides of the water stream channel are disposed as cavity, the both sides of the circle pillar are both provided with inlet opening, and water-supply-pipe is connected with by rotary joint on the inlet opening, one end of the water-supply-pipe passes through the inside of the side connection liquid reserve tank of cylinder.The present invention is fixed on round pillar by telescopic component, the position of pretreatment system can be adjusted by telescopic component, then the ejected wash water in liquid reserve tank is pumped to by suction pump in the cavity in round pillar, back flush is carried out to pretreatment system, remaining impurity on pretreatment system is removed, it avoids impurity from accumulating for a long time, forms incrustation scale, influence the normal operation of pure water.
Description
Technical field
The present invention relates to production equipment for purified water technical field, specially a kind of sustainable pure water production used is set
It is standby.
Background technology
With the influence of environmental pollution, water pollution problems getting worse, due to industrial wastewater, exhausting quantity of wastewater effluent
It is contaminated with the reference water source of the increase of pesticide, fertilizer amount, many places, water pollutant content severely exceeds.In day
Today of benefit concern healthy living, more and more people start drinking pure water, and long-term drinking pure water can not only promote in vivo
Aqueous electrolyte balances, moreover it is possible to accelerate metabolism, to exclude internal harmful substance, promote function of human body normal operation.It is pure
Water purification is by electric dialyzator method, ion-exchanger method, hyperfiltration, the way of distillation and other processing methods appropriate are made
At being sealed in container, and be free of any additive, water white transparency is capable of direct drinking.
Present many factories and enterprise are owned by the brand of oneself pure water and have autonomous production ability, still, existing
Production equipment for purified water longtime running after, since impurities in water is easy the heap in equipment and pipeline in pure water production process
Product forms incrustation scale, influences the pretreatment stage of the clean-up effect of water quality, especially pure water, suspension object, particle in water and
Impurity is more, needs periodically to clean production equipment and pipeline, and in existing cleaning operation, it needs to close pure water
Production equipment cleans the filter layer of pretreatment stage, prevents from forming incrustation scale, not only reduces the production effect of pure water
Rate, and the quality of pure water is influenced, limit the sustainable ability to work of production equipment.
Invention content
The technical problem to be solved by the present invention is to overcome the existing defects, provides a kind of sustainable pure water production used
Equipment can effectively solve the problems in background technology.
To achieve the above object, the present invention provides the following technical solutions：A kind of sustainable production equipment for purified water used,
Including cylinder, the top of the cylinder is provided with water inlet, and one end of the water inlet is connected to the upper end of pretreatment system, institute
It states pretreatment system and includes the first quartz sand filtration layer, the second quartz sand filtration layer, activated carbon filter layer and ion exchange layer, and
The first quartz sand filtration layer, the second quartz sand filtration layer, activated carbon filter layer and ion exchange layer are set successively from top to bottom
It sets, the inside of the pretreatment system is divided into uniform three pretreatments segment, the pretreatment system by partition board
Bottom end be arranged in the top of round pillar, the both ends of the pretreatment system are both provided with telescopic component, the circle pillar
Outer surface it is evenly spaced be provided with several limbers, and the intermediate position of the round pillar is provided with vertical direction
Water stream channel, and it is evenly spaced in the water stream channel be provided with several secondary filter films, the both sides of the water stream channel are equal
It is set as cavity, the both sides of the circle pillar are both provided with inlet opening, and are connected with by rotary joint on the inlet opening
Water-supply-pipe, one end of the water-supply-pipe pass through the inside of the side connection liquid reserve tank of cylinder, and pumping is equipped on the water-supply-pipe
Water pump, the input terminal of the bottom end connection reverse osmosis hosts of RO of the water stream channel, and the output end of the reverse osmosis hosts of the RO connects
Connect the input terminal of ozonization equipment, the water outlet of the output end connector drum bottom end of the ozonization equipment, the bottom of the cylinder
End both sides are provided with cleaning water outs, and are equipped with solenoid valve in the cleaning water outs.
As a preferred technical solution of the present invention, the junction of the water inlet and pretreatment system is provided with sealing
Circle.
As a preferred technical solution of the present invention, the liquid reserve tank is arranged on support base, and the support base is solid
It is arranged on the outer end side wall of cylinder calmly.
As a preferred technical solution of the present invention, the side of the circle pillar is fixed at the madial wall of cylinder
On, and the limbers being arranged on the round abutment surface is respectively communicated with inside and the water stream channel of cavity.
As a preferred technical solution of the present invention, the inner upper end of the cavity is provided with baffler.
As a preferred technical solution of the present invention, the secondary filter film uses the filter membrane in the apertures twin-stage um.
As a preferred technical solution of the present invention, the pore size of the water inlet and water stream channel and each is pre-
The pore size for handling segment is identical, and the water inlet is corresponded with water stream channel.
Compared with prior art, the beneficial effects of the invention are as follows：
1, the present invention is by being arranged pretreatment system on round pillar, and secondary filter film is arranged in round pillar
In interior water stream channel, the volume of pretreatment system can be reduced so that the production equipment structure of pure water is compacter.
2, the both ends of pretreatment system are fixed on round pillar by the present invention by telescopic component, can pass through telescopic component
Ejected wash water in liquid reserve tank, is then pumped to the cavity in round pillar by the position for adjusting pretreatment system by suction pump
In, and sprayed into pretreatment system by limbers, back flush is carried out to pretreatment system, it will be remaining on pretreatment system
Impurity is removed, and is avoided the granule foreign on pretreatment system from accumulating for a long time, is formed incrustation scale, influence the normal operation of pure water.
Description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the structural schematic diagram of the pretreatment system of the present invention；
Fig. 3 is the internal structure schematic diagram of the round pillar of the present invention；
In figure：1, cylinder；2, water inlet；3, pretreatment system；4, the first quartz sand filtration layer；5, the second quartz sand filtration
Layer；6, activated carbon filter layer；7, ion exchange layer；8, round pillar；9, water stream channel；10, secondary filter film；11, partition board；
12, cavity；13, inlet opening；14, water-supply-pipe；15, liquid reserve tank；16, suction pump；17, the reverse osmosis hosts of RO；18, ozone sterilization
Machine；19, telescopic component；20, water outlet；21, cleaning water outs；22, solenoid valve；23, support base；24, baffler.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, the present invention provides a kind of technical solution：A kind of sustainable production equipment for purified water used, packet
Cylinder 1 is included, the top of cylinder 1 is provided with water inlet 2, and one end of water inlet 2 is connected to the upper end of pretreatment system 3, pretreatment
System 3 includes the first quartz sand filtration layer 4, the second quartz sand filtration layer 5, activated carbon filter layer 6 and ion exchange layer 7, and the
One quartz sand filtration layer 4, the second quartz sand filtration layer 5, activated carbon filter layer 6 and ion exchange layer 7 are set gradually from top to bottom,
The inside of pretreatment system 3 is divided into uniform three pretreatments segment, the bottom end of pretreatment system 3 by partition board 11
It is arranged in the top of round pillar 8, the both ends of pretreatment system 3 are both provided with telescopic component 19, between the outer surface of round pillar 8
Every being evenly provided with several limbers, and the intermediate position of round pillar 8 is provided with the water stream channel 9 of vertical direction, and
Evenly spaced in water stream channel 9 to be provided with several secondary filter films 10, the both sides of water stream channel 9 are disposed as cavity 12, circle
The both sides of shape pillar 8 are both provided with inlet opening 13, and are connected with water-supply-pipe 14, water-supply-pipe 14 by rotary joint on inlet opening 13
One end pass through cylinder 1 side connection liquid reserve tank 15 inside, and suction pump 16 is installed on water-supply-pipe 14, water stream channel 9
The reverse osmosis hosts of bottom end connection RO 17 input terminal, and the output end connection ozonization equipment 18 of the reverse osmosis hosts of RO 17 is defeated
Enter end, the water outlet 20 of 1 bottom end of output end connector drum of ozonization equipment 18, the bottom end both sides of cylinder 1 are provided with ejected wash water
Outlet 21, and solenoid valve 22 is installed in cleaning water outs 21.
The junction of water inlet 2 and pretreatment system 3 is provided with sealing ring so that the water entered from water inlet 2 can only be from
It is flowed out by water stream channel 9.
Liquid reserve tank 15 is arranged on support base 23, and support base 23 is fixed on the outer end side wall of cylinder 1, convenient pre-
Cleaning after 3 use of processing system.
The side of round pillar 8 is fixed on the madial wall of cylinder 1, and the water flowing being arranged on 8 surface of round pillar
Hole is respectively communicated with inside and the water stream channel 9 of cavity 12 so that when the water source at water inlet 2 passes through pretreatment system 3, Neng Goutong
It crosses limbers 11 to enter in water stream channel 9, and the ejected wash water in cavity 12 can spray into pretreatment system 3 by limbers
In.
The inner upper end of cavity 12 is provided with baffler 24, from round pillar 8 when avoiding the cleaning dilutional hyponatremia in cavity 12
Top enter in water stream channel 9, polluted source.
Secondary filter film 10 using twin-stage 5um apertures filter membrane, so that water is further purified, make water turbidity and
Coloration reaches optimization, ensures the inflow requirement of RO counter-infiltration system safety.
The pore size of water inlet 2 is identical as water stream channel 9 and each pretreatment pore size of segment, and water inlet
2 correspond with water stream channel 9.
The operation principle and process for using of the present invention：Water source is passed through by water inlet 2 in cylinder 1, water source by locating in advance
Reason system 3 enters in the water stream channel 9 on round pillar 8, when by pretreatment system 3, the first quartz sand filtration layer 4 and the
Two quartz sand filtration layers 5 can remove the particles such as the silt contained in raw water, iron rust, colloidal substance, suspended matter at 20 μm or more
Harmful substance, and pigment that activated carbon filter layer 6 can be gone in water removal, peculiar smell, biochemical organic matter, reduce the remaining of water
Ammonia value and pollution by pesticides and other harmful species contaminations, 7 high-quality resin of ion exchange layer soften water, main
If reducing the hardness of water, the calcium ions and magnesium ions (incrustation scale) gone in water removal simultaneously can carry out intelligent resin regeneration, by ion exchange
Treated that water is entered by limbers in water stream channel 9 for layer 7, and water stream channel 9 uses 5 μm of aperture accurate filters of twin-stage, makes
Water is further purified, is made the turbidity of water and coloration reaches optimization, ensures the inflow requirement of RO counter-infiltration system safety, warp
The water source for crossing water stream channel 9 enters in the reverse osmosis hosts of RO 17, and desalting processing is carried out using RO reverse osmosis technologies, go deliming,
The harmful heavy metal substance of magnesium, lead, mercury and other impurities, reduce the hardness of water, 98% or more salt rejection rate, subsequently into
In ozonization equipment 18, using ozone generator, to treated, water is sterilized, and is improved the shelf-life, is then led from water outlet 20
Go out, completes the production of pure water；After producing a period of time, retained on the filter layer in pretreatment system 3 a certain amount of outstanding
The impurity such as float, particle are easy to be formed incrustation scale if accumulating for a long time, after producing a period of time, by 3 liang of pretreatment system
The telescopic component 19 at end is so that pretreatment system 3 slides on round pillar 8, and two telescopic components, 19 1 elongations, one is contracted
It is short so that the pretreatment system 3 of 9 upper end of water stream channel slides into not used segment, and the segment after slides into circle
The side of pillar 8, then opens the suction pump 16 of corresponding side, and suction pump 16 pumps the ejected wash water in liquid reserve tank 15 to circle
In cavity 12 in pillar 8, and entered in pretreatment system 3 by limbers, pretreatment system 3 is backwashed, cleaned
Water afterwards flows into the bottom end of cylinder 1, is exported from cleaning water outs 21, after the time of one end, is slided again by telescopic component 19
Dynamic pretreatment system 3 so that three pretreatment segments are in turn handled water source, are realized the cleaning to pretreatment system 3, are kept away
Exempt to form incrustation scale, and does not delay the production of pure water.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of sustainable production equipment for purified water used, including cylinder（1）, which is characterized in that the cylinder（1）Top
It is provided with water inlet（2）, the water inlet（2）One end be connected to pretreatment system（3）Upper end, the pretreatment system
（3）Including the first quartz sand filtration layer（4）, the second quartz sand filtration layer（5）, activated carbon filter layer（6）And ion exchange layer
（7）, and the first quartz sand filtration layer（4）, the second quartz sand filtration layer（5）, activated carbon filter layer（6）And ion exchange layer
（7）It sets gradually from top to bottom, the pretreatment system（3）Inside pass through partition board（11）It is divided into uniform three in advance
Handle segment, the pretreatment system（3）Bottom end be arranged in round pillar（8）Top, the pretreatment system（3）Two
End is both provided with telescopic component（19）, the circle pillar（8）Outer surface it is evenly spaced be provided with several limbers, and
The circle pillar（8）Intermediate position be provided with the water stream channel of vertical direction（9）, and the water stream channel（9）Interior interval
It is evenly provided with several secondary filter films（10）, the water stream channel（9）Both sides be disposed as cavity（12）, the circle
Pillar（8）Both sides be both provided with inlet opening（13）, and the inlet opening（13）It is upper that water-supply-pipe is connected with by rotary joint
（14）, the water-supply-pipe（14）One end pass through cylinder（1）Side connect liquid reserve tank（15）Inside, and the water-supply-pipe
（14）On suction pump is installed（16）, the water stream channel（9）Bottom end connect the reverse osmosis hosts of RO（17）Input terminal, and institute
State the reverse osmosis hosts of RO（17）Output end connect ozonization equipment（18）Input terminal, the ozonization equipment（18）Output
Hold connector drum（1）The water outlet of bottom end（20）, the cylinder（1）Bottom end both sides be provided with cleaning water outs（21）, and institute
State cleaning water outs（21）On solenoid valve is installed（22）.
2. a kind of sustainable production equipment for purified water used according to claim 1, it is characterised in that：The water inlet
（2）With pretreatment system（3）Junction be provided with sealing ring.
3. a kind of sustainable production equipment for purified water used according to claim 1, it is characterised in that：The liquid reserve tank
（15）It is arranged in support base（23）On, and the support base（23）It is fixed at cylinder（1）Outer end side wall on.
4. a kind of sustainable production equipment for purified water used according to claim 1, it is characterised in that：The round branch
Column（8）Side be fixed at cylinder（1）Madial wall on, and the round pillar（8）The limbers being arranged on surface point
Cavity is not connected to it（12）Inside and water stream channel（9）.
5. a kind of sustainable production equipment for purified water used according to claim 4, it is characterised in that：The cavity
（12）Inner upper end be provided with baffler（24）.
6. a kind of sustainable production equipment for purified water used according to claim 1, it is characterised in that：The precision mistake
Filter membrane（10）Using the filter membrane in the apertures twin-stage 5um.
7. a kind of sustainable production equipment for purified water used according to claim 4, it is characterised in that：The water inlet
（2）Pore size and water stream channel（9）The pore size all same of segment, and the water inlet are pre-processed with each（2）
With water stream channel（9）It corresponds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810559875.3A CN108773926A (en) | 2018-06-02 | 2018-06-02 | A kind of sustainable production equipment for purified water used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810559875.3A CN108773926A (en) | 2018-06-02 | 2018-06-02 | A kind of sustainable production equipment for purified water used |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108773926A true CN108773926A (en) | 2018-11-09 |
Family
ID=64026594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810559875.3A Withdrawn CN108773926A (en) | 2018-06-02 | 2018-06-02 | A kind of sustainable production equipment for purified water used |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108773926A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115259533A (en) * | 2022-08-09 | 2022-11-01 | 北京图南医疗设备有限公司 | Intelligent dynamic water-saving two-stage reverse osmosis water treatment equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101734807A (en) * | 2008-11-20 | 2010-06-16 | 天津市田水净源环保科技发展有限公司 | Preparation method of mineralizable and activable drinking purified water |
| WO2012044106A2 (en) * | 2010-09-30 | 2012-04-05 | 주식회사 조은환경 | Media for water purification and variable filter using same |
| US20130206677A1 (en) * | 2012-02-14 | 2013-08-15 | Chi-Chang Kuo | Self-Cleaning Fluid-Filtering Apparatus |
| CN103990311A (en) * | 2014-04-28 | 2014-08-20 | 同济大学 | Sewage impurity separation method capable of realizing cyclic on-line cleaning |
| CN105536333A (en) * | 2016-01-01 | 2016-05-04 | 曲晓东 | Filter with circulation filtering layer |
| CN206915909U (en) * | 2017-07-11 | 2018-01-23 | 浙江天和建筑设计有限公司 | central pure water system |
-
2018
- 2018-06-02 CN CN201810559875.3A patent/CN108773926A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101734807A (en) * | 2008-11-20 | 2010-06-16 | 天津市田水净源环保科技发展有限公司 | Preparation method of mineralizable and activable drinking purified water |
| WO2012044106A2 (en) * | 2010-09-30 | 2012-04-05 | 주식회사 조은환경 | Media for water purification and variable filter using same |
| US20130206677A1 (en) * | 2012-02-14 | 2013-08-15 | Chi-Chang Kuo | Self-Cleaning Fluid-Filtering Apparatus |
| CN103990311A (en) * | 2014-04-28 | 2014-08-20 | 同济大学 | Sewage impurity separation method capable of realizing cyclic on-line cleaning |
| CN105536333A (en) * | 2016-01-01 | 2016-05-04 | 曲晓东 | Filter with circulation filtering layer |
| CN206915909U (en) * | 2017-07-11 | 2018-01-23 | 浙江天和建筑设计有限公司 | central pure water system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115259533A (en) * | 2022-08-09 | 2022-11-01 | 北京图南医疗设备有限公司 | Intelligent dynamic water-saving two-stage reverse osmosis water treatment equipment |
| CN115259533B (en) * | 2022-08-09 | 2024-01-26 | 北京图南医疗设备有限公司 | Intelligent dynamic water-saving two-stage reverse osmosis water treatment equipment |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181109 |
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| WW01 | Invention patent application withdrawn after publication |