CN207130054U - A kind of seawater filtering system - Google Patents
A kind of seawater filtering system Download PDFInfo
- Publication number
- CN207130054U CN207130054U CN201721068924.0U CN201721068924U CN207130054U CN 207130054 U CN207130054 U CN 207130054U CN 201721068924 U CN201721068924 U CN 201721068924U CN 207130054 U CN207130054 U CN 207130054U
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- Prior art keywords
- water
- ultrafilter
- chemical cleaning
- tank
- filters
- Prior art date
- 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.)
- Expired - Fee Related
Links
- 238000001914 filtration Methods 0.000 title claims abstract description 33
- 239000013535 sea water Substances 0.000 title claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 192
- 239000000126 substance Substances 0.000 claims abstract description 72
- 238000004140 cleaning Methods 0.000 claims abstract description 62
- 238000011010 flushing procedure Methods 0.000 claims abstract description 22
- 238000000108 ultra-filtration Methods 0.000 claims abstract description 22
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims abstract description 20
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 11
- 230000008569 process Effects 0.000 claims abstract description 11
- 239000003599 detergent Substances 0.000 claims abstract description 9
- 238000004519 manufacturing process Methods 0.000 claims abstract description 9
- 239000010453 quartz Substances 0.000 claims abstract description 9
- 230000003115 biocidal effect Effects 0.000 claims abstract description 5
- 239000003139 biocide Substances 0.000 claims abstract description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 239000003638 chemical reducing agent Substances 0.000 claims description 4
- 238000005070 sampling Methods 0.000 claims description 2
- 239000003344 environmental pollutant Substances 0.000 abstract description 9
- 231100000719 pollutant Toxicity 0.000 abstract description 9
- 238000005374 membrane filtration Methods 0.000 abstract description 6
- 239000012528 membrane Substances 0.000 description 10
- 241000196324 Embryophyta Species 0.000 description 8
- 239000006004 Quartz sand Substances 0.000 description 5
- 239000012535 impurity Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 239000012510 hollow fiber Substances 0.000 description 4
- 238000001223 reverse osmosis Methods 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- 238000011049 filling Methods 0.000 description 3
- 239000000706 filtrate Substances 0.000 description 3
- 230000003020 moisturizing effect Effects 0.000 description 3
- 239000013618 particulate matter Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000003643 water by type Substances 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- -1 silt Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 description 1
- 241000009298 Trigla lyra Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000011001 backwashing Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 229910000366 copper(II) sulfate Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses a kind of seawater filtering system, from seawater influent side to producing water water outlet side by aqueous process streams to being disposed with quartz filter, raw water box, ultrafilter, intermediate water tank, RO film filters and water producing tank；The influent side of the ultrafilter is respectively equipped with biocide chemicals dosing plant with water outlet side；Also include Chemical cleaning water tank, it is connected by detergent line with the RO film filters, ultrafilter, realize and the Chemical cleaning of the ultrafilter and backwash, the Chemical cleaning to the RO film filters and flushing, the return pipe of the intermediate water tank are connected with production water water return pipeline, the flushing of RO film filters and Chemical cleaning concentrated water water return pipeline and super ripple backwash concentrated water water return pipeline respectively.The utility model can prevent the pollutant in Marine water from disposably being blocked to the filter of small precision, afterwards with ultrafiltration and RO membrane filtrations, can divide pollutant precision to intercept filtering by being provided with quartz filter in the front end of raw water box.
Description
Technical field
It the utility model is related to sea water filter processing technology field, and in particular to a kind of seawater filtering system.
Background technology
Most of Marine waters are all semiclosed or base closed systems, and this make it that water body self-purification ability is very weak, but with
This it also avoid the pollutant impact of big load simultaneously, so the pollution level of water body totality is not high.If pollution control measures
Capable, water quality can be maintained at tolerance interval the long period, and this will substantially reduce the difficulty and cost of improvement.Seawater water pollution is former
Following several because substantially having, one is that water is a pool of stagnant water in itself, without mobility, reoxygenation ability, biological oxidation organic matter
Ability it is weaker, therefore water body self-purification ability is poor.Second, extraneous contamination, such as the pollutant that chip, airborne dust are brought into, these materials exist
Rot, spread in water, dissolving, precipitation, producing or be brought directly to a large amount of organic-inorganic things, water quality is further deteriorated.Third, water
What is purified water in vivo is biological single, does not form corresponding biological chain, causes to have the biological growth of detergent power difficult.Fourth,
The endogenous pollution of water, many script innocuous substances are sunk among bed mud into water body, through after a period of time, these innocuous substances
Between the harmful polluter of chemical reaction generation occurs, water body is more deteriorated., to sea water filter, to turn into people using seawater
The needs of class, but existing seawater filtering system, complicated, cost is high, therefore a kind of structure of exploitation is relatively easy, and cost is low
Sea water filter processing system, it is necessary.
Utility model content
The purpose of this utility model is to be directed to technological deficiency present in prior art, and provides a kind of sea water filter system
System.
Technical scheme is used by realize the purpose of this utility model：
A kind of seawater filtering system, from seawater influent side to producing water water outlet side by aqueous process streams to being disposed with quartz sand
Filter, raw water box, ultrafilter, intermediate water tank, RO film filters and water producing tank, are flowed successively through by pending seawater and carried out
Reason filtering；The influent side of the ultrafilter is respectively equipped with biocide chemicals dosing plant with water outlet side；Also include Chemical cleaning water tank, lead to
Over cleaning pipeline is connected with the RO film filters, ultrafilter, realizes to the Chemical cleaning of the ultrafilter and backwash, to institute
Chemical cleaning and the flushing of RO film filters are stated, the return pipe of the intermediate water tank is respectively with producing water water return pipeline, RO membrane filtrations
The flushing of device and Chemical cleaning concentrated water water return pipeline and super ripple backwash concentrated water water return pipeline are connected.
The detergent line be provided with flushing water pump, the water inlet of the flushing water pump and the water out of intermediate water tank and
The water out of Chemical cleaning water tank is connected by connecting line, and the delivery port of the flushing water pump connects institute by cleaning water pipe
State the influent side of RO film filters, the tube wall of the cleaning water pipe by the Chemical cleaning pipeline of parallel connection and backwash pipeline with it is described
The Chemical cleaning water inlet pipe and backwash water water inlet pipe of ultrafilter, the chemical water return duct of the Chemical cleaning water tank pass through parallel connection
Ultrafiltration Chemical cleaning water return duct, RO Filter Chemical rinse water return ducts and ultrafiltration Chemical cleaning concentrated water return pipe, RO mistakes
Filter rinse water return pipe is connected.
The water inlet of the filtering water outlet connection middle water pump of the intermediate water tank, the delivery port of the middle water pump pass through
Two flow pipes in parallel are connected with the water inlet of the RO filters, a cleaning water pipe connection antisludging agent chemicals dosing plant
With reducing agent chemicals dosing plant, and high-pressure pump is provided with.
There is raw water pump on the connecting line of the raw water box and ultrafilter, the water in raw water box is sent in ultrafilter and located
Reason.
The RO filters include multiple RO cartridge filters in parallel, and the influent side of each RO cartridge filters has two parallel connections
Be respectively used to water production control process water inlet and cleaning process enter rinse water ball valve, production water water outlet side taken provided with a water quality
Sample valve.
The utility model can prevent the pollutant in Marine water by being provided with quartz filter in the front end of raw water box
Disposably the filter of small precision is blocked, afterwards using ultrafiltration and RO membrane filtrations, by the way of layering, by dirt
Dye thing divides precision to intercept filtering, and equipment progress automatic back-washing and chemistry can be washed, can be effectively by ultrafiltration and RO membrane filtrations
In pollutant clean away, make equipment operation filtering reach optimum efficiency.
Brief description of the drawings
Fig. 1 is the principle schematic diagram of seawater filtering system；
Fig. 2 is the enlarged diagram of RO film filters.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.It should be appreciated that this place
The specific embodiment of description only to explain the utility model, is not used to limit the utility model.
Referring to shown in Fig. 1-2, a kind of seawater filtering system, from seawater influent side to produce water water outlet side by aqueous process streams to according to
It is secondary to be provided with quartz filter 5, raw water box 6, ultrafilter 9, intermediate water tank 11, RO film filters 2 and water producing tank 1, by treating
The water inlet that processing seawater flows successively through each unit goes out, then is flowed out from delivery port, is treated filter successively；The ultrafilter
Influent side is respectively equipped with the first biocide chemicals dosing plant 8, the second biocide chemicals dosing plant 14 with water outlet side；Also include Chemical cleaning
Water tank 10, be connected by detergent line with the RO film filters, ultrafilter, realize to the Chemical cleaning of the ultrafilter and
Backwash, the Chemical cleaning to the RO film filters and flushing, the return pipe of the intermediate water tank is respectively with producing water return pipe
Road, the flushing of RO film filters and Chemical cleaning concentrated water water return pipeline and super ripple backwash concentrated water water return pipeline are connected.Kill livestock
Agent can according to circumstances select CL, NaClO and CuSO4Deng chemical reagent, to kill the bacterium in seawater, algae and microorganism
Deng.
Specifically, the detergent line is provided with flushing water pump 12, water inlet and the intermediate water tank 11 of the flushing water pump
Water out and the water out of Chemical cleaning water tank 10 be connected by connecting pipeline 18, the delivery port of the flushing water pump leads to
Over cleaning water pipe 15 connects the influent side of the RO film filters, and the tube wall of the cleaning water pipe passes through Chemical cleaning pipe in parallel
Road 102 and backwash pipeline 103 are connected with the Chemical cleaning water inlet pipe 91 and backwash water water inlet pipe 94 of the ultrafilter 9, described
The chemical water return duct of Chemical cleaning water tank is cleaned by ultrafiltration Chemical cleaning water return duct 105, the RO Filter Chemicals of parallel connection
Water return duct 104 is connected with ultrafiltration Chemical cleaning concentrated water return pipe 93, RO filtering both chemical rinse waters return pipe 23, the chemistry
Water tank connection filling pipe 101 is cleaned, connects with the filling pipe 92 of the water outlet side from ultrafilter 9, realizes moisturizing；Filling pipe 92 with
Water pipe 19 between ultrafilter 9, intermediate water tank 11, which is connected, realizes that moisturizing is fetched water；The chemical water return duct of the Chemical cleaning water tank
Also it is connected by a pipeline 106 with the water outlet side of the flushing water pump 12, is realized the ultrafiltration Chemical cleaning water of backflow, or
It is that the feeding cleaning pipe realization of RO Filter Chemicals rinse water recycles.
The ultrafilter 9 is also connected with ultrafiltration Chemical cleaning concentrated water return pipe 93 and backwash concentrated water return pipe 95, ultrafiltration
Learn cleaning concentrated water return pipe 93 to be connected with the ultrafiltration Chemical cleaning water return duct 105, backwash concentrated water return pipe 95 and middle water
The concentrated water return pipe 110 of case is connected.
Wherein, the water inlet of the filtering water outlet connection middle water pump 13 of the intermediate water tank 11, the middle water pump
Delivery port is connected by two flow pipes 16,17 in parallel with the water inlet of the RO filters, and a flow pipe 17 connects
Chemicals dosing plant 4, including an antisludging agent chemicals dosing plant and a reducing agent chemicals dosing plant 4 are connect, and is provided with high-pressure pump 3, to produce
Water high pressure is sent into RO filters during water and filtered, and corresponding antisludging agent (such as H is added by chemicals dosing plant2SO4), also
Former agent (such as NaHSO3), prevent in pipeline and fouling in the membrane of RO filters, control seawater to enter RO by reducing agent
Oxidation-reduction potential (ORP) before filter, water inlet contents of residual chlorine is reduced, contents of residual chlorine excess is prevented, to the film of RO filters
Part is damaged, and the water after being filtered by the RO filters is sent into water producing tank 1, and completion is once filtered, and the concentrated water that RO filters are formed is led to
Cross concentrated water and be discharged into pipe 26 and discharge, or the concentrate recirculation pipe 22 that pipe 26 connects is discharged into by concentrated water is sent into other systems and utilize, in RO
During filter backwash, production water is sent into moisturizing in intermediate water tank by producing water return duct 24, and production water return duct 24 and RO is filtered
Chemical cleaning water return pipe 23 connects water producing tank and connects and connect with the flow pipe 25 of RO filters 2 respectively, in Chemical cleaning,
The valve closed in water producing tank water inlet, Chemical cleaning water enter from the influent side of RO filters 2, are discharged, passed through by water outlet side
The RO filtering both chemical rinse waters return pipe 23 can be re-fed into Chemical cleaning water tank and be discharged into detergent line circulation, or be directly discharged into cleaning
Pipeline circulates.Mixed respectively from the low pressure waterway and high pressure water circuit of the flow pipe 16,17 in parallel of described two into institute
State and filtration treatment is carried out in RO filters 2.
Wherein, the water in raw water box is sent to super by the raw water box 5 with having raw water pump 7 on the connecting line of ultrafilter 9
Handled in filter.
Wherein, the RO filters 2 include multiple RO cartridge filters in parallel, and the influent side of each RO cartridge filters has two
Individual ball valve 20 in parallel, enter rinse water to be respectively used to control the production water process water inlet of each RO cartridge filters and cleaning process,
And production water water outlet side is provided with a sampling of water quality valve 21.
Further, in the water outlet side of middle water pump, in the common water inlet end of described two flow pipes 16,17 in parallel
Accurate filter (not shown), i.e. cartridge filter are additionally provided with, to be filtered to the water before feeding RO filters, is gone in water removal
The impurity such as suspension, particulate matter and colloidal particles more than 3 μm, reverse-osmosis membrane element is protected, design 5 μm of precision (security personnel) filterings
Device one is as last pipe protection line before counter-infiltration.
Described quartz filter, the quartz sand layer in tank body can be utilized, under a certain pressure the higher water of turbidity
In suspended impurity filtering, including particulate matter, silt, suspension, colloid etc., reducing the turbidity of water makes clarification of water.When containing miscellaneous
When the water of matter flows through the quartzy sand filter blanket of quartz filter, screening effect is played in filtrate gap to impurity, is filtering impurity absorption
Expect surface.When having dammed on filtrate top layer, a certain amount of dirt forms filter membrane, and the front and rear pressure difference of filter will over time
Improve, until failure.Now need to utilize reverse current backwash filtrate, make quartz sand layer suspension loosening and phase attrition in filter
Wipe, so that the trapped substance for being built-up in quartz sand surface is peeled off and washed away, recovery filtering function.
The ultrafilter, using the existing hollow fiber membrane ultrafiltration device (film) being known to use, it is using pressure as motive force
One of membrane separation technique.For the purpose of macromolecular and separation of small molecuies, membrane aperture is between 20-1000A °.Hollow Fiber Ultrafiltration
Device (film) has the advantages that packing density is high, and floor space is small in the molten device of unit.In ultra-filtration process, the aqueous solution promotes in pressure
Under, film surface is flowed through, less than the solvent (water) and small molecule solute water permeable membrane of fenestra, turns into scavenging solution (cleaner liquid), compares fenestra
Big solute and solute group is trapped, and is discharged with current, is turned into concentrate.Ultra-filtration process is dynamic filtration, and separation is to flow
Completed under dynamic state.Only in the limited deposition in film surface, ultrafiltration rate decay tends to balance solute to a certain extent, and passes through
Cleaning can recover.
The accurate filter is built with polypropylene melt blown filter, and it is 5 μm that it, which retains precision, and filter type is external-compression type,
For removing the impurity such as suspension, particulate matter and colloidal particles in water removal more than 5 μm, so as to ensure to meet that reverse osmosis unit is intake
The requirement (SDI ＜ 5) of SDI values, reach the purpose of protection reverse osmosis membrane.
The RO filters, i.e. RO reverse osmosis units, it is past through pellicle from the low solution side of concentration using hydrone
In being migrated in the high solution of concentration.It is low toward concentration through pellicle from the high solution side of concentration under driving of the hydrone in pressure
The migration of solution side, and the quantity that ion etc. penetrates pellicle is seldom, pure water will be produced into bitter so as to realize.
It should be noted that in the utility model, the ultrafilter (hollow fiber membrane ultrafiltration device), accurate filter, quartz
Sand filter, RO filters can use existing commercially available ultrafilter (hollow fiber membrane ultrafiltration device), quartz filter, RO filterings
Device assembling uses, in addition, in the utility model, on flushing, backwash and the control of Chemical cleaning, can also use automation control
Control equipment automatically controls realization, opening or closing by the valve on control piper, to realize backwash, flushing or change to equipment
Cleaning is learned, is existing known general knowledge for ultrafilter, RO filters on backwash, flushing or Chemical cleaning,
No longer described in detail for the control process of backwash, flushing and Chemical cleaning, pass through explanation of above-mentioned pipeline annexation etc., sheet
Field those of ordinary skill is appreciated that and realized.
To sum up, the utility model can be prevented in Marine water by being provided with quartz filter in the front end of raw water box
Pollutant disposably blocks to the filter of small precision, afterwards using ultrafiltration and RO membrane filtrations, using the side of layering
Formula, divide precision to intercept filtering pollutant, and by setting Chemical cleaning water tank to connect detergent line, backwash can be carried out to equipment
And chemistry is washed, effectively the pollutant in ultrafiltration and RO membrane filtrations can be cleaned away, equipment operation filtering is reached optimal
Effect.
Described above is only preferred embodiment of the present utility model, it is noted that for the general of the art
For logical technical staff, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these change
Enter and retouch and also should be regarded as the scope of protection of the utility model.
Claims (5)
1. a kind of seawater filtering system, it is characterised in that from seawater influent side to producing water water outlet side by aqueous process streams to setting successively
Quartz filter, raw water box, ultrafilter, intermediate water tank, RO film filters and water producing tank are equipped with, by pending seawater successively
Flow through and be treated filter；The influent side of the ultrafilter is respectively equipped with biocide chemicals dosing plant with water outlet side；Also include chemistry
Water tank is cleaned, is connected by detergent line with the RO film filters, ultrafilter, realizes the Chemical cleaning to the ultrafilter
And backwash, the Chemical cleaning to the RO film filters and flushing, the return pipe of the intermediate water tank is respectively with producing water return pipe
Road, the flushing of RO film filters and Chemical cleaning concentrated water water return pipeline and super ripple backwash concentrated water water return pipeline are connected.
2. seawater filtering system as claimed in claim 1, it is characterised in that the detergent line is provided with flushing water pump, described
The water inlet of flushing water pump is connected with the water out of the water out of intermediate water tank and Chemical cleaning water tank by connecting line,
The delivery port of the flushing water pump connects the influent side of the RO film filters, the tube wall of the cleaning water pipe by cleaning water pipe
By the Chemical cleaning pipeline of parallel connection and the Chemical cleaning water inlet pipe and backwash water water inlet pipe of backwash pipeline and the ultrafilter,
The chemical water return duct of the Chemical cleaning water tank is cleaned by ultrafiltration Chemical cleaning water return duct, the RO Filter Chemicals of parallel connection
Water return duct is connected with ultrafiltration Chemical cleaning concentrated water return pipe, RO filtering both chemical rinse water return pipes.
3. seawater filtering system as claimed in claim 1, it is characterised in that among the filtering water outlet connection of the intermediate water tank
The water inlet of water pump, the delivery port of the middle water pump are connected by the water inlet of two flow pipes in parallel and the RO filters
Connect, a cleaning water pipe connection antisludging agent chemicals dosing plant and reducing agent chemicals dosing plant, and be provided with high-pressure pump.
4. seawater filtering system as claimed in claim 1, it is characterised in that have on the connecting line of the raw water box and ultrafilter
Raw water pump, the water in raw water box is sent in ultrafilter and handled.
5. seawater filtering system as claimed in claim 1, it is characterised in that the RO filters include multiple RO filterings in parallel
Cylinder, the influent sides of each RO cartridge filters have two in parallel to be respectively used to the water inlet of water production control process and cleaning process is entered
Ball valve, the production water water outlet side of rinse water are provided with a sampling of water quality valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721068924.0U CN207130054U (en) | 2017-08-24 | 2017-08-24 | A kind of seawater filtering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721068924.0U CN207130054U (en) | 2017-08-24 | 2017-08-24 | A kind of seawater filtering system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207130054U true CN207130054U (en) | 2018-03-23 |
Family
ID=61636218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721068924.0U Expired - Fee Related CN207130054U (en) | 2017-08-24 | 2017-08-24 | A kind of seawater filtering system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207130054U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107324548A (en) * | 2017-08-24 | 2017-11-07 | 天津邦盛净化设备工程有限公司 | A kind of seawater filtering system |
| CN109650592A (en) * | 2019-01-11 | 2019-04-19 | 武汉理工大学 | A kind of marine desalination equipment |
-
2017
- 2017-08-24 CN CN201721068924.0U patent/CN207130054U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107324548A (en) * | 2017-08-24 | 2017-11-07 | 天津邦盛净化设备工程有限公司 | A kind of seawater filtering system |
| CN109650592A (en) * | 2019-01-11 | 2019-04-19 | 武汉理工大学 | A kind of marine desalination equipment |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180323 Termination date: 20190824 |
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| CF01 | Termination of patent right due to non-payment of annual fee |