CN208104047U - A kind of convenience clean reverse osmosis water purification units online - Google Patents
A kind of convenience clean reverse osmosis water purification units online Download PDFInfo
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- CN208104047U CN208104047U CN201820059787.2U CN201820059787U CN208104047U CN 208104047 U CN208104047 U CN 208104047U CN 201820059787 U CN201820059787 U CN 201820059787U CN 208104047 U CN208104047 U CN 208104047U
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Abstract
The utility model relates to a kind of convenience clean reverse osmosis water purification units online.The online clean reverse osmosis water purification units of the convenience include the water tank to be processed being sequentially connected, active carbon filter, reverse osmosis unit, cleaned water tank and cleaning Agitation Tank, reverse osmosis unit includes the first reverse osmosis unit and the second reverse osmosis unit being arranged in parallel, cleaning Agitation Tank includes the first cleaning Agitation Tank and the second cleaning Agitation Tank, and ozone sterilizer is equipped between cleaned water tank and reverse osmosis unit.The online clean reverse osmosis water purification units of the convenience can realize that efficient on-line cleaning, cleaning solution type can be prepared as needed, and flushing, clean-up effect are excellent, substantially prolong reverse osmosis membrane service life, improve water purification efficiency.
Description
Technical field：
The utility model relates to a kind of convenience clean reverse osmosis water purification units online.
Background technique：
Existing reverse osmosis water treatment system, structure is simple, and during realizing clean water treatment, reverse osmosis membrane is easy knot
Dirt, pollution or blocking, it is low to greatly reduce water purification efficiency, pure water recovery rate.Have in existing patented technology using will after purification
Pure water, which is directly used in, rinses reverse osmosis membrane, however, water rinses reverse osmosis membrane again after purification, circulation repeatedly, to having purified
Water quality again resulted in pollution, it is impracticable.Therefore, during in order to guarantee purified water, periodically to the reverse osmosis of reverse osmosis unit
Permeable membrane carries out cleaning in time and has no effect on online water purification system work, becomes the key that purified water enterprise has increasing need for breaking through and asks
Topic.In addition, according to water quality treatment feature and characteristic, research pollution blocks the main component of reverse osmosis membrane and takes and flexibly arranges
It applies, carries out the online high-efficiency washing of reverse osmosis membrane, become the technical problem that modern purified water enterprise needs to capture.
Utility model content：
The utility model in order to make up for the deficiencies of the prior art, provides a kind of convenience clean reverse osmosis purified water dress online
It sets, it can be achieved that efficient on-line cleaning, cleaning solution type can be prepared as needed, flushing, clean-up effect are excellent, substantially prolong anti-
Permeable membrane service life improves water purification efficiency, solves problems of the prior art.
The utility model is achieved by the following technical solution：
A kind of convenience clean reverse osmosis water purification units online, including be sequentially connected water tank to be processed, active carbon filtering
Device, reverse osmosis unit, cleaned water tank and cleaning Agitation Tank, are equipped on the pipeline that water tank to be processed is connected with active carbon filter
One first high-pressure pump；One first main line is connected in active carbon filter water outlet, the first main line water outlet is through triple valve point
Not Lian Jie one first branch pipeline and the second branch pipeline, the water outlet of the first branch pipeline and one first reverse osmosis unit water inlet phase
Even, the water outlet of the first reverse osmosis unit is connected through one first outlet pipeline with cleaned water tank；The water outlet of second branch pipeline with
One second reverse osmosis unit water inlet is connected, and the water outlet of the second reverse osmosis unit is through one second outlet pipeline and cleaned water tank phase
Even；One first valve and the second valve are respectively equipped in the first branch pipeline and the second branch pipeline, in the first outlet pipeline and
A third valve and the 4th valve are respectively equipped on two outlet pipelines；
It is equipped with one second main line between cleaning Agitation Tank and reverse osmosis unit, one second is equipped on the second main line
High-pressure pump, the cleaning Agitation Tank includes the first cleaning Agitation Tank and the second cleaning Agitation Tank, in the input end of the second main line
It is separately connected third branch pipeline and the 4th branch pipeline through triple valve, third branch pipeline and the 4th branch pipeline are matched with the first cleaning respectively
Flow container and the second cleaning Agitation Tank are connected, and are respectively equipped with one the 5th valve and the 6th valve in third branch pipeline and the 4th branch pipeline
Door；The outlet end of second main line is connected with a third branch pipeline, and third branch pipeline is in charge of with the first branch pipeline and second respectively
Road is connected, and third branch pipeline is set in the first branch pipeline of the first valve water outlet side with the first branch pipeline place of being connected, the
Three branch pipelines are in charge of with second that the second branch pipeline place of being connected is set between the second valve and the second reverse osmosis unit water inlet
On the road；One the 7th valve is equipped in third branch pipeline between the first branch pipeline and the second branch pipeline；Match liquid in the first cleaning
It is equipped with one first outlet tube between tank water inlet and the first outlet pipeline of third valve water inlet side, is set on the first outlet tube
There is one the 9th valve, is equipped with one second between the first outlet tube and the second cleaning Agitation Tank import of the 9th valve water outlet side
Outlet tube is equipped with 1 the tenth valve on the second outlet tube, is connected in the second outlet tube with the first outlet tube and locates the of rear
One outlet tube is equipped with 1 the 11st valve；One and second is equipped on the second outlet pipeline of the 4th valve water inlet side to be discharged
The third outlet tube that pipeline is connected, the liquid outlet of third outlet tube are connected with the second cleaning Agitation Tank import, go out liquid in third
It manages and connects one the 4th outlet tube between the first outlet tube of the 11st valve water outlet side, one the is equipped on the 4th outlet tube
12 valves clean in the 4th outlet tube and second and are equipped with one the 8th valve on the third outlet tube between Agitation Tank.
A third main line, third main line are equipped between cleaned water tank and the first outlet pipeline and the second outlet pipeline
It is connected respectively with the first outlet pipeline and the second outlet pipeline through triple valve, an ozone sterilization is equipped on third main line
Device.
The reverse osmosis unit is the reverse osmosis unit being composed of reverse osmosis membrane pipe fitting.
The first cleaning Agitation Tank and the second cleaning Agitation Tank are transparent cleaning Agitation Tank, match liquid in each transparent cleaning
Tank lateral wall is equipped with scale.
Erosion shield is coated on the first cleaning Agitation Tank and the second cleaning Agitation Tank inner sidewall.
The beneficial effects of the utility model:
The convenient online clean reverse osmosis water purification units are using the above structure and connection can be periodically while water purification
Contaminated or blocking reverse osmosis membrane is backwashed, the reverse osmosis membrane of reverse osmosis unit is worked normally, maintains reverse osmosis
The stability of film function is promoted and extends purifying water effect.The online clean reverse osmosis water purification units of the convenience are being backwashed
During cleaning, without closing entire water purification system, function of on-line cleaning is realized well.Two cleaning Agitation Tanks can contain
The cleaning solution of variety classes and specification meets removal of the different quality to dirt after reverse osmosis membrane pollution, since liquid is matched in cleaning
Tank is set as transparent configuration with a scale, and operator is facilitated to control the normal operation that cleaning solution dosage guarantees wash cycles.
Detailed description of the invention：
Fig. 1 is the structural schematic diagram of the utility model.
In figure, 1 water tank to be processed, 2 active carbon filters, 3 cleaned water tanks, 4 first high-pressure pumps, 5 first main lines, 6
One branch pipeline, 7 second branch pipelines, 8 first reverse osmosis units, 9 first outlet pipelines, 10 second reverse osmosis units, 11 second go out
Water lines, 12 first valves, 13 second valves, 14 third valves, 15 the 4th valves, 16 second main lines, 17 second high-pressure pumps,
18 first cleaning Agitation Tanks, 19 second cleaning Agitation Tanks, 20 third branch pipelines, 21 the 4th branch pipelines, 22 the 5th valves, 23 the 6th
Valve, 24 third branch pipelines, 25 the 7th valves, 26 first outlet tubes, 27 the 9th valves, 28 second outlet tubes, 29 the tenth valves
Door, 30 the 11st valves, 31 third outlet tubes, 32 the 4th outlet tubes, 33 the 12nd valves, 34 the 8th valves, 35 thirds supervisor
Road, 36 ozone sterilizers.
Specific embodiment：
In order to clarify the technical characteristics of the invention, below by specific embodiment, and its attached drawing is combined, to this reality
It is described in detail with novel.
As shown in Figure 1, the online clean reverse osmosis water purification units of the convenience include the water tank to be processed 1 being sequentially connected, live
Property carbon filter 2, reverse osmosis unit, cleaned water tank 3 and cleaning Agitation Tank, the reverse osmosis unit include the first reverse osmosis unit
With the second reverse osmosis unit, one first high-pressure pump 4 is equipped on the pipeline that water tank 1 to be processed and active carbon filter 2 connect；
One first main line 5 is connected in 2 water outlet of active carbon filter, 5 water outlet of the first main line is separately connected one the through triple valve
The water outlet of one branch pipeline 6 and the second branch pipeline 7, the first branch pipeline 6 is connected with one first reverse osmosis unit, 8 water inlet, and first
The water outlet of reverse osmosis unit 8 is connected through one first outlet pipeline 9 with cleaned water tank 3；The water outlet of second branch pipeline 7 and one
Two reverse osmosis units, 10 water inlet is connected, and the water outlet of the second reverse osmosis unit 10 is through one second outlet pipeline 11 and purified water
Case 3 is connected；It is respectively equipped with one first valve 12 and the second valve 13 in the first branch pipeline 6 and the second branch pipeline 7, first
A third valve 14 and the 4th valve 15 are respectively equipped on outlet pipeline 9 and the second outlet pipeline 11；
It is equipped with one second main line 16 between cleaning Agitation Tank and reverse osmosis unit, one is equipped on the second main line 16
Second high-pressure pump 17, the cleaning Agitation Tank includes the first cleaning Agitation Tank 18 and the second cleaning Agitation Tank 19, in the second supervisor
The input end on road 16 is separately connected third branch pipeline 20 and the 4th branch pipeline 21 through triple valve, and third branch pipeline 20 and the 4th is in charge of
Road 21 is connected with the first cleaning Agitation Tank 18 and the second cleaning Agitation Tank 19 respectively, in third branch pipeline 20 and the 4th branch pipeline 21
On be respectively equipped with one the 5th valve 22 and the 6th valve 23；The outlet end of second main line 16 is connected with a third branch pipeline 24,
Third is in charge of 24 and is connected respectively with the first branch pipeline 6 and the second branch pipeline 7, and third branch pipeline 24 is connected with the first branch pipeline 6
Logical place is set in the first branch pipeline of the first valve 12 water outlet side, and third branch pipeline 24 is set with 7 place of being connected of the second branch pipeline
In the second branch pipeline 7 between the second valve 13 and the second reverse osmosis unit water inlet；It is in charge of in the first branch pipeline 6 and second
Third branch pipeline 24 between road 7 is equipped with one the 7th valve 25；In the first cleaning 18 water inlet of Agitation Tank and third valve 14
It is equipped with one first outlet tube 26 between first outlet pipeline 9 of water inlet side, one the 9th valve is equipped on the first outlet tube 26
27, one second, which is equipped with, between the first outlet tube 26 and the second cleaning 19 import of Agitation Tank of the 9th valve 27 water outlet side goes out liquid
Pipe 28 is equipped with 1 the tenth valve 29, after the second outlet tube 28 is connected place with the first outlet tube 26 on the second outlet tube 28
First outlet tube 26 of side is equipped with 1 the 11st valve 30；It is set on the second outlet pipeline 11 of the 4th valve 15 water inlet side
There are a third outlet tube 31 being connected with the second outlet pipeline, the liquid outlet of third outlet tube 31 and the second cleaning Agitation Tank
19 imports are connected, and connection one the 4th goes out liquid between third outlet tube 31 and the first outlet tube of the 11st valve 30 water outlet side
Pipe 32 is equipped with 1 the 12nd valve 33 on the 4th outlet tube 32, between the 4th outlet tube 32 and the second cleaning Agitation Tank 19
Third outlet tube 31 be equipped with one the 8th valve 34.
A third main line 35 is equipped between cleaned water tank 3 and the first outlet pipeline 9 and the second outlet pipeline 11, the
Three main lines 35 are connected with the first outlet pipeline and the second outlet pipeline respectively through triple valve, are equipped on third main line 35
One ozone sterilizer 36.
The reverse osmosis unit is the reverse osmosis unit being composed of reverse osmosis membrane pipe fitting.
The first cleaning Agitation Tank 18 and the second cleaning Agitation Tank 19 are transparent cleaning Agitation Tank, in each transparent cleaning
Agitation Tank tank body lateral wall is equipped with scale.
Erosion shield is coated on the first cleaning Agitation Tank 18 and the second cleaning 19 inner sidewall of Agitation Tank.
Usually water purification is in use, guarantee the 5th valve 22, the 6th valve 23, the 7th valve 25, the 8th valve 34, second
High-pressure pump 17, the 9th valve 27, the 12nd valve 33 are closed, other valve openings, wherein the tenth valve 29 and the 11st valve
30 can open and also close, without paying special attention to.Start the first high-pressure pump 4 first, the first high-pressure pump will be in water tank 1 to be processed
Water is pumped into active carbon filter 2 and carries out initial filter, is branched off into first through the first main line 5 after being filtered by active carbon filter 2 and is in charge of
Road 6 and the second branch pipeline 7 continue to convey, and the initial filter water conveyed in the first branch pipeline 6 enters the first reverse osmosis unit 8 and carries out reverse osmosis
It handles thoroughly, the initial filter water conveyed in the second branch pipeline 7 enters the second reverse osmosis unit 10 and carries out reverse osmosis treatment, by the first reverse osmosis
Water purification after 10 reverse osmosis treatment of saturating device 8 and the second reverse osmosis unit is respectively through the first outlet pipeline 9 and the second outlet pipeline
11 are delivered to ozone sterilizer 36, by being finally delivered in cleaned water tank 3 after 36 sterilization processing of ozone sterilizer.
When reverse osmosis water purification units use a period of time, need to carry out the reverse osmosis membrane of reverse osmosis unit to clean at words
When reason, only it need to select to stop a wherein reverse osmosis unit according to actual treatment needs and be backwashed, be restarted after rinsing well
Its work, then successively suspend other reverse osmosis units again, continue to rinse cleaning.Specially：Close 13 He of the second valve
4th valve 15 guarantees that the 11st valve 30 is closed, at this point, the first reverse osmosis unit 8 of water purification system works normally, second is anti-
Permeability apparatus 10 does not continue to carry out clean water treatment.Open the 5th valve 22 or the 6th valve 23, the 8th valve 34, the 12nd valve
Door 33 starts the second high-pressure pump 17, at this point, the cleaning solution in the first cleaning Agitation Tank 18 or the second cleaning Agitation Tank 19 is through third
Branch pipeline 20 or the 4th branch pipeline 21 are pumped into the second main line 16, go successively to the second reverse osmosis unit 10, make cleaning solution to
The reverse osmosis membrane of two reverse osmosis units is rinsed, and is eliminated the dirt accumulated on reverse osmosis membrane, is come out by the second reverse osmosis unit
Cleaning solution return to the first cleaning Agitation Tank 18 into third outlet tube 31 through the second outlet pipeline 11 or the second cleaning is matched
Flow container 19；In aforesaid operations, when with cleaning solution in the first cleaning Agitation Tank, in addition to the second valve 13 and the 4th valve 15
It closes, also need to close the 6th valve 23 and the 8th valve 34；When with cleaning solution in the second cleaning Agitation Tank 19, in addition to the
The closing of two valves 13 and the 4th valve 15 also needs to close the 5th valve 22 and the 12nd valve 33；At this point, liquid is matched in the first cleaning
The cleaning solution of tank 18 or the second cleaning Agitation Tank 19 wash cycles in purge tank and the second reverse osmosis unit 10, until scavenging period
Stop after it is required that.It is real by closing the 6th valve 23 and the 8th valve 34 or the 5th valve 22 and the 12nd valve 33
The cleaning solution of existing two cleanings Agitation Tank alternately cleans, and guarantees cleaning efficiency and effect.For example, can be in the first cleaning Agitation Tank
0.1% formalin or solution of sodium bisulfite are held, carbonate dirt is removed, alkali can be held in the second cleaning Agitation Tank
Solution.So far, the reverse osmosis membrane cleaning of the second reverse osmosis unit terminates.It is re-closing off the five, the six, eight, 12 valves, closes the
Two high-pressure pumps 17 reopen second, four valves, realize the normal water purification work of the second reverse osmosis unit.Continue first
The cleaning of reverse osmosis unit, specially：The first valve 12 and third valve 14 are closed, the first reverse osmosis unit 8 stops only at this time
Water conservancy project is made, and the second reverse osmosis unit 10 continues work of intaking online.The 5th valve 22, the 7th valve 25, the 9th valve 27 are opened,
Guarantee that the 11st valve 30 is opened, start the second high-pressure pump 17, cleaning solution is cleaned in Agitation Tank 18 by first through third branch pipeline
20 are delivered to the second main line 16, enter the first reverse osmosis unit 8 through the 7th valve 25, then flow through on the first outlet tube 26
9th valve 27 and the 11st valve 30 enter the first cleaning and match Agitation Tank 18, and wash cycles after a certain period of time, it is high to close second
Press pump 17 stops wash cycles；The 5th valve 22 and the 11st valve 30 are closed, the 6th valve 23 is opened, guarantees the tenth valve
29 open, and start the second high-pressure pump 17, and the cleaning solution in the second cleaning Agitation Tank 19 goes successively to first through the second main line 16
Reverse osmosis unit 8 is cleaned, and liquid flows into the second outlet tube 28 simultaneously through the first outlet pipeline 9, the first outlet tube 26 after cleaning
The second cleaning Agitation Tank 19 is eventually entered into, wash cycles after a certain period of time, are closed the second high-pressure pump 17 and stopped.So far, first is anti-
The cleaning of permeability apparatus 8 terminates.The 6th valve 23, the 7th valve 25 and the 9th valve 27 are closed, 12 He of the first valve is reopened
Third valve 14 guarantees the normal operation of 8 water purification of the first reverse osmosis unit work.
It can be by the reverse osmosis unit of the device according to actual condition and treating capacity using the structure and connection of above-mentioned apparatus
It is set as 3 groups or more.The backwash path needs of Agitation Tank are cleaned according to the connection of above-mentioned apparatus, satisfaction can while and be appointed
One reverse osmosis unit is connected, and in the design process, appropriate preferential pipeline and thereon valve guarantee in-line purification and cleaning
Be normally carried out.
Cleaning solution in first cleaning Agitation Tank and the second cleaning Agitation Tank can regularly replace, and guarantee cleaning effect.
First cleaning Agitation Tank and second cleaning Agitation Tank in erosion shield be titanium coating or other avoid acid solution or
The coating of alkali liquid corrosion.
Above-mentioned specific embodiment cannot function as the limitation to scope of protection of the utility model, for the skill of the art
For art personnel, any alternate modification or transformation made to the utility model embodiment all fall within the guarantor of the utility model
It protects in range.
Place is not described in detail for the utility model, is the well-known technique of those skilled in the art of the present technique.
Claims (5)
1. a kind of convenience clean reverse osmosis water purification units online, it is characterized in that：Including be sequentially connected water tank to be processed, activity
Carbon filter, reverse osmosis unit, cleaned water tank and cleaning Agitation Tank, in the pipeline that water tank to be processed is connected with active carbon filter
It is equipped with one first high-pressure pump；One first main line is connected in active carbon filter water outlet, the first main line water outlet is through three
Port valve is separately connected one first branch pipeline and the second branch pipeline, and the water outlet of the first branch pipeline and one first reverse osmosis unit are intake
Mouth is connected, and the water outlet of the first reverse osmosis unit is connected through one first outlet pipeline with cleaned water tank；The water outlet of second branch pipeline
Mouth is connected with one second reverse osmosis unit water inlet, and the water outlet of the second reverse osmosis unit is through one second outlet pipeline and purified water
Case is connected；One first valve and the second valve are respectively equipped in the first branch pipeline and the second branch pipeline, in the first outlet pipeline
With a third valve and the 4th valve are respectively equipped on the second outlet pipeline；
It is equipped with one second main line between cleaning Agitation Tank and reverse osmosis unit, one second high pressure is equipped on the second main line
Pump, the cleaning Agitation Tank include first cleaning Agitation Tank and second clean Agitation Tank, the second main line input end through three
Port valve is separately connected third branch pipeline and the 4th branch pipeline, and third branch pipeline and the 4th branch pipeline clean Agitation Tank with first respectively
It is connected with the second cleaning Agitation Tank, is respectively equipped with one the 5th valve and the 6th valve in third branch pipeline and the 4th branch pipeline；
The outlet end of second main line is connected with a third branch pipeline, third branch pipeline respectively with the first branch pipeline and the second branch pipeline phase
Connection, third branch pipeline are set in the first branch pipeline of the first valve water outlet side with the first branch pipeline place of being connected, third point
Pipeline is set in the second branch pipeline between the second valve and the second reverse osmosis unit water inlet with the second branch pipeline place of being connected；
One the 7th valve is equipped in third branch pipeline between the first branch pipeline and the second branch pipeline；In the first cleaning Agitation Tank water inlet
Mouthful it is equipped with one first outlet tube between the first outlet pipeline of third valve water inlet side, one the is equipped on the first outlet tube
Nine valves are equipped with one second between the first outlet tube and the second cleaning Agitation Tank import of the 9th valve water outlet side and go out liquid
Pipe is equipped with 1 the tenth valve on the second outlet tube, is connected in the second outlet tube with the first outlet tube and locates the first of rear and go out
Liquid pipe is equipped with 1 the 11st valve；One and second outlet pipeline are equipped on the second outlet pipeline of the 4th valve water inlet side
The third outlet tube being connected, the liquid outlet of third outlet tube with second cleaning Agitation Tank import be connected, third outlet tube with
11st valve, which is discharged between the first outlet tube of side, connects one the 4th outlet tube, and 1 the 12nd is equipped on the 4th outlet tube
Valve cleans in the 4th outlet tube and second and is equipped with one the 8th valve on the third outlet tube between Agitation Tank.
2. a kind of convenience according to claim 1 clean reverse osmosis water purification units online, it is characterized in that：In cleaned water tank
A third main line is equipped between the first outlet pipeline and the second outlet pipeline, third main line is through triple valve respectively with first
Outlet pipeline and the second outlet pipeline are connected, and an ozone sterilizer is equipped on third main line.
3. a kind of convenience according to claim 1 or 2 clean reverse osmosis water purification units online, it is characterized in that：It is described anti-
Permeability apparatus is the reverse osmosis unit being composed of reverse osmosis membrane pipe fitting.
4. a kind of convenience according to claim 1 or 2 clean reverse osmosis water purification units online, it is characterized in that：Described
One cleaning Agitation Tank and the second cleaning Agitation Tank are transparent cleaning Agitation Tank, on each transparent cleaning Agitation Tank tank body lateral wall
Equipped with scale.
5. a kind of convenience according to claim 1 or 2 clean reverse osmosis water purification units online, it is characterized in that：First
Erosion shield is coated on cleaning Agitation Tank and the second cleaning Agitation Tank inner sidewall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820059787.2U CN208104047U (en) | 2018-01-12 | 2018-01-12 | A kind of convenience clean reverse osmosis water purification units online |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820059787.2U CN208104047U (en) | 2018-01-12 | 2018-01-12 | A kind of convenience clean reverse osmosis water purification units online |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208104047U true CN208104047U (en) | 2018-11-16 |
Family
ID=64129221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820059787.2U Expired - Fee Related CN208104047U (en) | 2018-01-12 | 2018-01-12 | A kind of convenience clean reverse osmosis water purification units online |
Country Status (1)
| Country | Link |
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| CN (1) | CN208104047U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111855584A (en) * | 2020-07-30 | 2020-10-30 | 剑科云智(深圳)科技有限公司 | Sensor system for wastewater determination |
-
2018
- 2018-01-12 CN CN201820059787.2U patent/CN208104047U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111855584A (en) * | 2020-07-30 | 2020-10-30 | 剑科云智(深圳)科技有限公司 | Sensor system for wastewater determination |
| CN111855584B (en) * | 2020-07-30 | 2023-07-11 | 剑科云智(深圳)科技有限公司 | Sensor system for measuring waste water |
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| 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: 20181116 Termination date: 20210112 |