CN205603264U - Take reverse osmosis water purification machine of waste water valve - Google Patents
Take reverse osmosis water purification machine of waste water valve Download PDFInfo
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- CN205603264U CN205603264U CN201620223182.3U CN201620223182U CN205603264U CN 205603264 U CN205603264 U CN 205603264U CN 201620223182 U CN201620223182 U CN 201620223182U CN 205603264 U CN205603264 U CN 205603264U
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- reverse osmosis
- outlet pipe
- purification machine
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- water purification
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Abstract
The utility model provides a take reverse osmosis water purification machine of waste water valve belongs to system water technical field. It has solved the problem of present reverse osmosis pure water mechanism water poor stability. This take reverse osmosis water purification machine of waste water valve, the reverse osmosis water purification machine includes reverse osmosis membrane filtration ware, the waste water valve includes the disk seat, be connected with the inlet tube on the disk seat, first outlet pipe and second outlet pipe, the inlet tube links to each other with reverse osmosis membrane filter's dense water end (W. E. ), first outlet pipe links to each other with reverse osmosis membrane filter's the end of intaking, the inner that first outlet pipe is arranged in the disk seat has the passage aisle, a pair of electro -magnet has been linked firmly on the disk seat, the sealing member has been linked firmly between electro -magnet and the disk seat, a pair of electro -magnet corresponds the setting with first outlet pipe and second outlet pipe respectively, one of them electro -magnet enables the large -traffic perhaps logical water of low discharge that washes of first outlet pipe, another electro -magnet enables the second outlet pipe and opens perhaps closedly. This take reverse osmosis water purification machine of waste water valve has the advantage that improves reverse osmosis pure water mechanism water stability.
Description
Technical field
This utility model belongs to controlling the water circulation technical field, relates to the reverse osmosis of a kind of band wastewater valve
Water purification machine.
Background technology
Reverse osmosis water purification machine is that a kind of collection microfiltration, absorption, ultrafiltration, reverse osmosis, ultraviolet are killed
Tap water, in one, is converted into the device of ultra-pure water by the technology such as bacterium, ultrapureization,
After conversion capable of direct drinking.
Reverse osmosis water purification machine is the pure water manufacturing technology of a kind of comparative maturity, existing instead
The one band dense water regulation that infiltration water purification machine, such as the applicant were declared in January, 2015
Reverse osmosis water purification machine [the application number: 201510051391.4 of controller；Application publication number:
CN 104609506A], regulation controller is positioned at dense water end (W.E.) and the storage of reverse osmosis membrane filt
Between water pressure bucket, regulation controller includes main body, has interconnect dense in main body
Water inlet, dense water out and purified water inlet, the dense water end (W.E.) of reverse osmosis membrane filt and dense water
Entrance is connected, and Pressured water tank is connected with purified water inlet, dense water inlet and dense water out it
Between there is tapered limbers, purified water inlet is provided with movable sliding block, slide block with
Being provided with sealing ring between main body, slide block has near one end of limbers and limbers phase
The tapered thimble joined, the end thread seal of purified water inlet is fixed with centre to be run through
Adjustment cap, be cased with spring outside slide block, spring one end is resisted against in main body, and the other end supports
Leaning against on slide block, spring has the trend making slide block move towards adjustment cap all the time, works as slide block
In time moving away from adjustment cap direction, thimble gradually gos deep into the stream of reduction limbers, limbers
Logical area.
The reverse osmosis water purification machine of this kind of structure, improves controlling the water circulation speed by arranging regulation controller
Degree, reduces the discharge capacity of dense water, reduces the waste of water resource；But this kind of structure is anti-
Infiltration water purification machine, needs slide block automatically to experience the pressure reduction at two ends, overcomes spring by pressure reduction
Elastic force make slide block move left and right thus change the circulation area of limbers, reverse osmose pure-water
Medium in machine flowing, store, discharge during, pressure reduction is changing always, sliding
Block is moving left and right always, and frequently, fluctuation is big in regulation, and limbers exists blocking
Problem, stablizes poor；And after on filter, condensation has more incrustation scale, pollutant,
Can only be carried out by changing by the way of filter or taking off filter, change and filter
Device cost is high, and takes off filter and be carried out, and after having cleaned, needs again from new peace
Install, cumbersome.
Summary of the invention
The purpose of this utility model is for the above-mentioned problems in the prior art, proposes
A kind of reverse osmosis water purification machine of band wastewater valve, solve the technical problem that be how to improve anti-
The stability of infiltration water purification machine controlling the water circulation.
The purpose of this utility model can be realized by following technical proposal: a kind of band waste water
The reverse osmosis water purification machine of valve, described reverse osmosis water purification machine includes reverse osmosis membrane filt, its
Being characterised by, described wastewater valve includes valve seat, described valve seat connects have water inlet pipe, the
The dense water end (W.E.) of one outlet pipe and the second outlet pipe, described water inlet pipe and reverse osmosis membrane filt
Being connected, described first outlet pipe is connected with the water inlet end of reverse osmosis membrane filt, and described the
The inner that one outlet pipe is positioned in valve seat has passage aisle, and described valve seat is fixed with a pair
Electric magnet, is fixed with sealing member between described electric magnet and valve seat, and a pair electric magnet is respectively
Being correspondingly arranged with the first outlet pipe and the second outlet pipe, one of them electric magnet can make first
Outlet pipe high flux flushing or low discharge water flowing, another electric magnet can make the second water outlet
Pipe is opened or Guan Bi.
This wastewater valve is arranged on the dense water end (W.E.) of reverse osmosis membrane filt, when being positioned at the second water outlet
When electric magnet above pipe is energized, it is positioned at the electric magnet power-off above the first outlet pipe, this
Time second outlet pipe open, most dense water is discharged, the first outlet pipe low discharge lead to
Water, carries out controlling the water circulation again in the concentrate recirculation of fraction to reverse osmosis membrane filt, reduce
The discharge capacity of dense water, reduces the waste of water resource；When being positioned at the electricity above the first outlet pipe
Magnet is energized, and is positioned at the electric magnet power-off above the second outlet pipe, now, the second water outlet
Pipe closes, and dense water flow back into reverse osmosis membrane filt from the first outlet pipe, when in dense water
The content of impurity is relatively low, and dense water can be carried out controlling the water circulation again by this process, improves dense water
Utilization rate, when the content of dense impurities in water is higher, is realized reverse osmosis by this process
The flushing of water purification machine, it is not necessary to dismounting, it is convenient to rinse.Sealing member plays the effect of water proof,
Make electric magnet to damage, make the good stability of wastewater valve, and by a pair electric magnet
Make the first outlet pipe and the second outlet pipe alternately open and close, control concentrated stream to good stability,
Thus improve the stability of reverse osmosis water purification machine controlling the water circulation.
In the reverse osmosis water purification machine of above-mentioned a kind of band wastewater valve, described first outlet pipe
With the second outlet pipe all at right angles shape, described passage aisle is in the first top, outlet pipe the inner
Breach at portion.Breach makes the water stream channel in the first outlet pipe be connected with the inner chamber of valve seat
Logical, breach is positioned at this, easy to process.
In the reverse osmosis water purification machine of above-mentioned a kind of band wastewater valve, described first outlet pipe
With the second outlet pipe all at right angles shape, described passage aisle is in side in the first outlet pipe
Through hole at portion or bottom.Through hole makes the interior of water stream channel in the first outlet pipe and valve seat
Chamber is connected.
In the reverse osmosis water purification machine of above-mentioned a kind of band wastewater valve, described sealing member includes
Sealing dividing plate and a pair mounting post, a pair mounting post is connected in the side sealing dividing plate, institute
State and mounting post has installation cavity, the one end open of described installation cavity, the other end closes,
Described electric magnet includes that coil, push rod and spring, described mounting post extend into the line of correspondence
In circle, described push rod and spring are arranged on installation cavity, and one end of described spring is resisted against and pushes away
On bar, the other end is resisted against in mounting post.Sealing member plays the effect of water proof, makes valve seat
In medium coil will be made to damage, the shape of mounting post, position with coil contact
Put the shape with push rod, position matches, and makes sealing member play more preferable impermeable role,
Improve the stability of wastewater valve, thus improve the stability of reverse osmosis water purification machine controlling the water circulation.
In the reverse osmosis water purification machine of above-mentioned a kind of band wastewater valve, described sealing dividing plate and
Mounting post is integral structure, and described sealing dividing plate and mounting post are by injection one-shot forming.
One-shot forming, easy to process, firmness is high, seals and does not has between dividing plate and mounting post
Gap, plays more preferable good water insulation effect, makes the medium in valve seat will not flow to coil
On, coil will not damage, and this wastewater valve is hardly damaged, good stability, thus improves anti-
The stability of infiltration water purification machine controlling the water circulation.
In the reverse osmosis water purification machine of above-mentioned a kind of band wastewater valve, described valve seat top
There is on medial wall annular mounting seat, described annular mounting seat be provided with seal washer,
The opposite side that described sealing dividing plate is mounted opposite post has circular orientation frame, described sealing every
The edge of plate is positioned in annular mounting seat and is pressed on seal washer, described circular orientation frame
It is positioned at the inner side of seal washer.Annular mounting seat has two sidewalls, and these two sidewalls are joined
Closing sealing dividing plate and circular orientation frame makes seal washer fix, seal washer will not move,
And the contact area between seal washer and valve seat, sealing dividing plate is greatly, good sealing effect,
This combination solenoid valve is made to leak, this wastewater valve good stability, thus improve reverse osmosis
The stability of water purification machine controlling the water circulation thoroughly.
In the reverse osmosis water purification machine of above-mentioned a kind of band wastewater valve, described push rod includes valve
Bar and spool, described spool is made up of elastomeric material or silica gel material, described spool card
Connecing the bottom being connected in valve rod, the top of described valve rod has annular gear edge, described spring
One end be resisted against annular gear along upper, the other end is resisted against the Guan Bi end of installation cavity.Spool
It is the pad playing sealing function with certain deformability, blocks first by spool
Outlet pipe and the second outlet pipe, plugging effect is good.
In the reverse osmosis water purification machine of above-mentioned a kind of band wastewater valve, described first outlet pipe
The top inner with the second outlet pipe is respectively provided with the sealing surface being obliquely installed.When spool blocks
When the first outlet pipe and the second outlet pipe, the first outlet pipe and the top of the second outlet pipe
Dividing and be embedded in spool, the first outlet pipe and second are gone out by the raising spool that arranges of sealing surface
The sealing function of water pipe, makes this wastewater valve to leak, this wastewater valve good stability, from
And improve the stability of reverse osmosis water purification machine controlling the water circulation.
In the reverse osmosis water purification machine of above-mentioned a kind of band wastewater valve, described reverse osmose pure-water
Machine also includes PP cotton filter and granular activated carbon filter, described gac filtration
Device between PP cotton filter and reverse osmosis membrane filt, described gac filtration
Between device and PP cotton filter, the most logical between PP cotton filter and reverse osmosis membrane filt
Piping is connected, described first outlet pipe and PP cotton filter and granular activated carbon filter
Between pipeline be connected.When the first outlet pipe is by passage aisle low discharge water flowing, this portion
The dense water divided was carried out again through granular activated carbon filter and reverse osmosis membrane filt
Filter, when the first outlet pipe is opened by big flow water flowing, when the content of dense impurities in water
Time less, dense water now carries out controlling the water circulation again, when the content of dense impurities in water is more,
Dense water now is used for peening particle active carbon filter and reverse osmosis membrane filt etc., nothing
Needing dismounting, it is convenient to rinse.
Compared with prior art, the reverse osmose pure-water of the band wastewater valve that this utility model provides
Facility have the advantage that
1, this reverse osmosis water purification machine arranges waste water by the dense water end (W.E.) at reverse osmosis membrane filt
Valve, realizes the backflow controlling the water circulation again of dense water by wastewater valve and rinses reverse osmosis membrane filt,
Improve the utilization rate of dense water, reduce the discharge of dense water, reduce the waste of water resource.
2, the wastewater valve of this reverse osmosis water purification machine is electromagnetic valve, makes electric magnet by sealing member
It is hardly damaged, the good stability of wastewater valve, and is controlled the flow direction of dense water by wastewater valve,
Concentrated stream is to stable, thus improves the stability of reverse osmosis water purification machine controlling the water circulation.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of this reverse osmosis water purification machine.
Fig. 2 is the overall structure schematic diagram of this reverse osmosis water purification machine wastewater valve.
Fig. 3 is the overall structure sectional view of this reverse osmosis water purification machine wastewater valve.
Fig. 4 is the overall structure schematic diagram of this reverse osmosis water purification machine wastewater valve valve seat.
Fig. 5 is the enlarged drawing of this reverse osmosis water purification machine Fig. 4 a-quadrant.
Fig. 6 is the overall structure schematic diagram of this reverse osmose pure-water seal.
In figure, 1, reverse osmosis membrane filt；101, dense water end (W.E.)；102, water inlet end；2、
Valve seat；21, annular mounting seat；3, water inlet pipe；4, the first outlet pipe；5, second goes out
Water pipe；6, passage aisle；7, electric magnet；71, coil；72, push rod；721, valve rod；
722, spool；723, annular gear edge；73, spring；8, sealing member；81, seal every
Plate；82, mounting post；83, circular orientation frame；9, seal washer；10, sealing surface；
11, PP cotton filter；12, granular activated carbon filter.
Detailed description of the invention
The following is specific embodiment of the utility model and combine accompanying drawing, to this utility model
Technical scheme be further described, but this utility model is not limited to these embodiments.
As it is shown in figure 1, this reverse osmosis water purification machine includes that reverse osmosis membrane filt 1, PP are cotton
Filter 11, granular activated carbon filter 12 and wastewater valve.Granular activated carbon filter
12 between PP cotton filter 11 and reverse osmosis membrane filt 1, granular active carbon mistake
Between filter 12 and PP cotton filter 11, PP cotton filter 11 and reverse osmosis membrane filtration
All it is connected by pipeline between device 1.
As shown in Figure 2 and Figure 3, wastewater valve includes valve seat 2, sealing member 8 and a pair electromagnetism
Ferrum 7, as shown in Figure 4, valve seat 2 connects and has water inlet pipe the 3, first outlet pipe 4 and the
Two outlet pipes 5, the first outlet pipe 4 and the second outlet pipe 5 all at right angles shape, water inlet pipe 3
Being positioned at the side of valve seat 2, the first outlet pipe 4 and the second outlet pipe 5 are positioned at valve seat 2
Opposite side, a pair electric magnet 7 is corresponding with the first outlet pipe 4 and the second outlet pipe 5 respectively
Arrange, the inner top that the first outlet pipe 4 and the second outlet pipe 5 are positioned in valve seat 2
Being respectively provided with the sealing surface 10 being obliquely installed, sealing member 8 is connected in electric magnet 7 and valve seat 2
Between.
Water inlet pipe 3 is connected with the dense water end (W.E.) 101 of reverse osmosis membrane filt 1, the first water outlet
Pipeline between pipe 4 with PP cotton filter 11 and granular activated carbon filter 12 is connected,
Second outlet pipe 5 is concentrated water discharge pipe.As it is shown in figure 5, the first outlet pipe 4 is positioned at valve
The inner in seat 2 has passage aisle 6, and in the present embodiment, passage aisle 6 is in first
Breach at the inner top of outlet pipe 4, in actual production, passage aisle 6 can be position
Through hole at the inner sidepiece of the first outlet pipe 4 or bottom.
As shown in Figure 6, sealing member 8 includes sealing dividing plate 81, a pair mounting post 82 and
Circular orientation frame 83, seals dividing plate 81, a pair mounting post 82 and circular orientation frame 83
By injection one-shot forming, a pair mounting post 82 is positioned at the side sealing dividing plate 81, ring
Shape posting 83 is positioned at the opposite side sealing dividing plate 81, has installation cavity in mounting post 82,
The one end open of installation cavity, the other end closes.
Electric magnet 7 includes coil 71, push rod 72 and spring 73, and mounting post 82 extend into
In corresponding coil 71, push rod 72 and spring 73 are arranged in installation cavity, push rod 72
Including valve rod 721 and spool 722, in the present embodiment, spool 722 is by elastomeric material system
Becoming, in actual production, spool 722 is made up of silica gel material, and spool 722 clamping is solid
Being connected in the bottom of valve rod 721, the top of valve rod 721 has annular gear along 723, spring
One end of 73 is resisted against annular and keeps off along 723, and the other end is resisted against the Guan Bi end of installation cavity.
There is on the medial wall at valve seat 2 top annular mounting seat 21, annular mounting seat 21
In be provided with seal washer 9, the edge sealing dividing plate 81 is positioned in annular mounting seat 21
And be pressed on seal washer 9, circular orientation frame 83 is positioned at the inner side of seal washer 9, logical
Crossing securing member makes valve seat 2, electric magnet 7 and sealing member 8 be fixedly connected with, in the present embodiment,
Securing member is bolt, and in actual production, securing member can be screw.
During use, when the dense impurities in water that reverse osmosis membrane filt 1 dense water end (W.E.) 101 produces
When content is higher, now can pass through closed electromagnetic valve the first outlet pipe 4, make first to go out
Water pipe 4 refluxes only by passage aisle 6 low discharge, opens the second water outlet by electromagnetic valve
Pipe 5, it is achieved the discharge of dense water, it is also possible to open the first outlet pipe 4 by electromagnetic valve, close
Close the second outlet pipe 5, it is achieved the flushing to reverse osmosis membrane filt 1 of the dense water；Work as reverse osmosis
When the impurity content of the dense water that permeable membrane 1 dense water end (W.E.) 101 produces is relatively low, by electricity
Magnet valve is opened the first outlet pipe 4, is closed the second outlet pipe 5, makes dense water again be utilized to
Controlling the water circulation, improves the utilization rate of dense water, reduces the discharge of dense water, reduces the waste of water resource.
Specific embodiment described herein is only for example to this utility model spirit
Explanation.This utility model person of ordinary skill in the field can be to described concrete
Embodiment is made various amendment or supplements or use similar mode to substitute, but not
Spirit of the present utility model can be deviateed or surmount model defined in appended claims
Enclose.
Although the most more employing reverse osmosis membrane filt 1, dense water end (W.E.) 101, water inlet
End 102, valve seat 2, annular mounting seat 21, water inlet pipe the 3, first outlet pipe 4, second
Outlet pipe 5, passage aisle 6, electric magnet 7, coil 71, push rod 72, valve rod 721, valve
Core 722, annular gear along 723, spring 73, sealing member 8, seal dividing plate 81, install
Post 82, circular orientation frame 83, seal washer 9, sealing surface 10, PP cotton filter 11,
Granular activated carbon filter 12 term such as grade, but it is not precluded from using the possibility of other term
Property.Use these terms to be only used to more easily to describe and explain of the present utility model
Essence；Being construed as any additional restriction is all and this utility model spirit
Contrary.
Claims (9)
- null1. the reverse osmosis water purification machine of a band wastewater valve，Described reverse osmosis water purification machine includes reverse osmosis membrane filt (1)，It is characterized in that，Described wastewater valve includes valve seat (2)，The upper connection of described valve seat (2) has water inlet pipe (3)、First outlet pipe (4) and the second outlet pipe (5)，Described water inlet pipe (3) is connected with the dense water end (W.E.) (101) of reverse osmosis membrane filt (1)，Described first outlet pipe (4) is connected with the water inlet end (102) of reverse osmosis membrane filt (1)，The inner that described first outlet pipe (4) is positioned in valve seat (2) has passage aisle (6)，A pair electric magnet (7) it is fixed with on described valve seat (2)，Sealing member (8) it is fixed with between described electric magnet (7) and valve seat (2)，A pair electric magnet (7) is correspondingly arranged with the first outlet pipe (4) and the second outlet pipe (5) respectively，One of them electric magnet (7) can make the first outlet pipe (4) high flux flushing or low discharge water flowing，Another electric magnet (7) can make the second outlet pipe (5) open or close.
- The reverse osmosis water purification machine of a kind of band wastewater valve the most according to claim 1, it is characterized in that, described first outlet pipe (4) and the second outlet pipe (5) all at right angles shape, described passage aisle (6) is in the breach at the inner top of the first outlet pipe (4).
- The reverse osmosis water purification machine of a kind of band wastewater valve the most according to claim 1, it is characterized in that, described first outlet pipe (4) and the second outlet pipe (5) all at right angles shape, described passage aisle (6) is in the through hole at the inner sidepiece of the first outlet pipe (4) or bottom.
- 4. according to the reverse osmosis water purification machine of a kind of band wastewater valve described in claim 1 or 2 or 3, it is characterized in that, described sealing member (8) includes sealing dividing plate (81) and a pair mounting post (82), a pair mounting post (82) is connected in the side sealing dividing plate (81), described mounting post has installation cavity in (82), the one end open of described installation cavity, the other end closes, described electric magnet (7) includes coil (71), push rod (72) and spring (73), described mounting post (82) extend in the coil (71) of correspondence, described push rod (72) and spring (73) are arranged on installation cavity, one end of described spring (73) is resisted against on push rod (72), the other end is resisted against in mounting post (82).
- The reverse osmosis water purification machine of a kind of band wastewater valve the most according to claim 4, it is characterized in that, described sealing dividing plate (81) and mounting post (82) are integral structures, and described sealing dividing plate (81) and mounting post (82) are by injection one-shot forming.
- The reverse osmosis water purification machine of a kind of band wastewater valve the most according to claim 4, it is characterized in that, there is on the medial wall at described valve seat (2) top annular mounting seat (21), described annular mounting seat (21) is provided with seal washer (9), the opposite side that described sealing dividing plate (81) is mounted opposite post (82) has circular orientation frame (83), the edge of described sealing dividing plate (81) is positioned in annular mounting seat (21) and is pressed on seal washer (9), described circular orientation frame (83) is positioned at the inner side of seal washer (9).
- The reverse osmosis water purification machine of a kind of band wastewater valve the most according to claim 4, it is characterized in that, described push rod (72) includes valve rod (721) and spool (722), described spool (722) is made up of elastomeric material or silica gel material, described spool (722) clamping is connected in the bottom of valve rod (721), the top of described valve rod (721) has annular gear edge (723), one end of described spring (73) is resisted against in annular gear edge (723), and the other end is resisted against the Guan Bi end of installation cavity.
- 8. according to the reverse osmosis water purification machine of a kind of band wastewater valve described in claim 1 or 2 or 3, it is characterised in that the top of described first outlet pipe (4) and the second outlet pipe (5) the inner is respectively provided with the sealing surface (10) being obliquely installed.
- 9. according to the reverse osmosis water purification machine of a kind of band wastewater valve described in claim 1 or 2 or 3, it is characterized in that, described reverse osmosis water purification machine also includes PP cotton filter (11) and granular activated carbon filter (12), described granular activated carbon filter (12) is positioned between PP cotton filter (11) and reverse osmosis membrane filt (1), between described granular activated carbon filter (12) and PP cotton filter (11), all it is connected by pipeline between PP cotton filter (11) and reverse osmosis membrane filt (1), described first outlet pipe (4) is connected with the pipeline between PP cotton filter (11) and granular activated carbon filter (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620223182.3U CN205603264U (en) | 2016-03-22 | 2016-03-22 | Take reverse osmosis water purification machine of waste water valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620223182.3U CN205603264U (en) | 2016-03-22 | 2016-03-22 | Take reverse osmosis water purification machine of waste water valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205603264U true CN205603264U (en) | 2016-09-28 |
Family
ID=56963533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620223182.3U Expired - Fee Related CN205603264U (en) | 2016-03-22 | 2016-03-22 | Take reverse osmosis water purification machine of waste water valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN205603264U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109765344A (en) * | 2019-03-16 | 2019-05-17 | 嘉兴勤慎智能技术有限公司 | A kind of humidity sensor |
| CN113247989A (en) * | 2020-12-30 | 2021-08-13 | 济南国润环保科技有限公司 | Water treatment membrane process capable of running reversely |
-
2016
- 2016-03-22 CN CN201620223182.3U patent/CN205603264U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109765344A (en) * | 2019-03-16 | 2019-05-17 | 嘉兴勤慎智能技术有限公司 | A kind of humidity sensor |
| CN113247989A (en) * | 2020-12-30 | 2021-08-13 | 济南国润环保科技有限公司 | Water treatment membrane process capable of running reversely |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160928 Termination date: 20210322 |