CN207227183U - A kind of high-fluorine water cleaning treatment system - Google Patents
A kind of high-fluorine water cleaning treatment system Download PDFInfo
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- CN207227183U CN207227183U CN201721057871.2U CN201721057871U CN207227183U CN 207227183 U CN207227183 U CN 207227183U CN 201721057871 U CN201721057871 U CN 201721057871U CN 207227183 U CN207227183 U CN 207227183U
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- activated carbon
- fluorine
- treatment system
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 121
- 239000011737 fluorine Substances 0.000 title claims abstract description 55
- 229910052731 fluorine Inorganic materials 0.000 title claims abstract description 55
- 238000004140 cleaning Methods 0.000 title claims abstract description 21
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 83
- 238000001179 sorption measurement Methods 0.000 claims abstract description 41
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 30
- 238000006115 defluorination reaction Methods 0.000 claims abstract description 7
- 239000010419 fine particle Substances 0.000 claims abstract description 6
- 239000000084 colloidal system Substances 0.000 claims abstract description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 16
- 239000003463 adsorbent Substances 0.000 claims description 15
- 229920000742 Cotton Polymers 0.000 claims description 14
- 241000219146 Gossypium Species 0.000 claims description 14
- 238000001914 filtration Methods 0.000 claims description 10
- 239000002905 metal composite material Substances 0.000 claims description 4
- 229910021536 Zeolite Inorganic materials 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 3
- 239000010457 zeolite Substances 0.000 claims description 3
- 238000007781 pre-processing Methods 0.000 claims 1
- 238000005245 sintering Methods 0.000 claims 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 abstract description 20
- 238000005516 engineering process Methods 0.000 abstract description 6
- 125000001153 fluoro group Chemical group F* 0.000 abstract description 3
- 238000007726 management method Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 15
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 6
- 235000020188 drinking water Nutrition 0.000 description 5
- 239000003651 drinking water Substances 0.000 description 5
- 238000005213 imbibition Methods 0.000 description 5
- 230000002269 spontaneous effect Effects 0.000 description 5
- 230000008929 regeneration Effects 0.000 description 4
- 238000011069 regeneration method Methods 0.000 description 4
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 3
- 210000000988 bone and bone Anatomy 0.000 description 2
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 2
- 238000009298 carbon filtering Methods 0.000 description 2
- 238000004040 coloring Methods 0.000 description 2
- 208000004042 dental fluorosis Diseases 0.000 description 2
- 230000000813 microbial effect Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 229910001610 cryolite Inorganic materials 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 229910052587 fluorapatite Inorganic materials 0.000 description 1
- 229940077441 fluorapatite Drugs 0.000 description 1
- 238000004334 fluoridation Methods 0.000 description 1
- 239000010436 fluorite Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000010808 liquid waste Substances 0.000 description 1
- 238000001471 micro-filtration Methods 0.000 description 1
- 230000002906 microbiologic effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- VSIIXMUUUJUKCM-UHFFFAOYSA-D pentacalcium;fluoride;triphosphate Chemical compound [F-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O VSIIXMUUUJUKCM-UHFFFAOYSA-D 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000010458 rotten stone Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Water Treatment By Sorption (AREA)
- Physical Water Treatments (AREA)
Abstract
The utility model belongs to water-treatment technology field, and in particular to a kind of high-fluorine water cleaning treatment system, including：Pretreatment unit, main absorbing unit, activated carbon adsorption filter element and UV disinfection unit, the pretreatment unit is connected with the main absorbing unit, the main absorbing unit is connected with the activated carbon adsorption filter element, and the activated carbon adsorption filter element is connected with the UV disinfection unit；The pretreatment unit is used to remove suspended particulate in water removal to raw water progress initial filter；The main absorbing unit is used to carry out adsorption-defluorination to pretreatment unit water outlet；The activated carbon adsorption filter element is used to filter out fine particle in main absorbing unit water outlet, larger molecular organics, colloid and removes heterochromatic peculiar smell in water removal；The UV disinfection unit is used to carry out ultraviolet disinfection to the water outlet of activated carbon adsorption filter element.The utility model is suitable for the terminal fluorine removal in rural area, and fluorine removing rate is high, cost is low, convenient operation and management method.
Description
Technical field
The utility model belongs to water-treatment technology field, and in particular to a kind of high-fluorine water cleaning treatment system.
Background technology
Fluorine is that one of most wide element is distributed on the earth, very active in nature, almost can be with all element phases
Interaction, the overwhelming majority exists with combined form in the earth's crust.It accounts for 0.1% or so of earth's crust composition, flat in the earth's crust
Equal content is about 650mg/kg.It is most common to have fluorite (CaF2), ice crystal (Na3AlF6) and fluor-apatite (Ca10F2 (PO4)
6) etc., substantial amounts of fluoride is also all contained in rotten stone, igneous rock.
Excess intake fluorine is endangered caused by health mainly makes tooth and bone be poisoned, cause to produce den tal fluorosis and
Fluorosis of bone.
China《Standards for drinking water quality》(GB5749-2006) regulation is more than 1000m for water supply scale3The collection of/d
Chinese style supplies water, and Funing tablet must not exceed 1.0mg/L；It is less than 1000m for Rural water supply scale3The centralized water supply of/d and scattered
Formula supplies water, and Funing tablet must not exceed 1.2mg/L.By the end of the year 2010, China's high-fluorine water population is still above 30,000,000, in baseset
In rural area.Although China has carried out many work in terms of drinking water defluorination, since technology of Fluoride Removal is more difficult, early period
Research and development deficiency, investment are inadequate, cause the operability of the prior art and equipment not strong, at present from practical engineering application angle
For, still lack economic, practical, efficient technology of Fluoride Removal and equipment.
Utility model content
The purpose of this utility model is that being provided for wast rural area high-fluorine water area, a kind of cost is relatively low, is adapted to China rural area
The home terminal in market high-fluorine water treatment process and its system, go out water fluoridation and can reach national standards for drinking water quality
(GB5749-2006)。
The utility model provides a kind of high-fluorine water cleaning treatment system, including：Pretreatment unit, main absorbing unit, work
Property charcoal adsorption filtration unit and UV disinfection unit, pretreatment unit are connected with main absorbing unit, main absorbing unit and activated carbon
Adsorption filtration unit connects, and activated carbon adsorption filter element is connected with UV disinfection unit；Pretreatment unit be used for raw water into
Row initial filter removes suspended particulate in water removal；Main absorbing unit is used to carry out adsorption-defluorination to pretreatment unit water outlet；Activated carbon adsorption
Filter element is used to filter out fine particle in main absorbing unit water outlet, larger molecular organics, colloid and removes heterochromatic peculiar smell in water removal；
UV disinfection unit is used to carry out ultraviolet disinfection to the water outlet of activated carbon adsorption filter element.
Further, which further includes raw water compress cell, and raw water compress cell is connected with pretreatment unit, for pair
Raw water carries out pressurized treatment.
Further, which further includes connection raw water and pretreatment unit surmounts pipe, surmounts pipe and is equipped with control valve.
Further, the stream for being used for adjusting main absorbing unit flow of inlet water is equipped between pretreatment unit and main absorbing unit
Measure control unit.
Further, raw water compress cell includes check-valves and self-priming booster pump.
Further, pretreatment unit includes PP cotton filters, and the filtering accuracy of PP cotton filters is 5 μm.
Further, main absorbing unit is composed in series by multiple adsorption columns, and adsorbent is filled with adsorption column.
Further, adsorbent uses Fe-Al-Ce metal composite oxides, activated alumina or active zeolite.
Further, activated carbon adsorption filter element is composed in series by two active carbon filters, including the first activated carbon
Filter and the second active carbon filter, the first active carbon filter are connected with main absorbing unit, the second active carbon filter with
UV disinfection unit connects, and granular pattern activated carbon is filled with the first active carbon filter, is filled in the second active carbon filter
There is slug type activated carbon.
Further, UV disinfection unit uses 254nm length ultraviolet lamps.
The beneficial effects of the utility model are compared with prior art：Suitable for the terminal fluorine removal in rural area, fluorine removing rate is high,
Cost is low, convenient operation and management method.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of high-fluorine water cleaning treatment system of the utility model.
Figure label：
1- raw water compress cells；11- spontaneous imbibition booster pumps；12- check-valves；
2- surmounts pipe；21- control valves；
3-PP cotton filters；
4- flowmeters；
The main absorbing units of 5-；51- threeways；52- valves；53- adsorption columns；
6- activated carbon filter elements；61- active carbon filters；
7- UV disinfection units；
8- water butts.
Embodiment
The utility model is described in detail in shown each embodiment below in conjunction with the accompanying drawings, but it should explanation,
These embodiments are not limitation of the utility model, and those of ordinary skill in the art are according to these embodiment institute works
Energy, method or equivalent transformation or replacement in structure, belong within the scope of protection of the utility model.
Join shown in Fig. 1, present embodiments provide a kind of high-fluorine water cleaning treatment system, the system by raw water compress cell 1,
Pretreatment unit (including inlet valve and PP cottons filter 3), main absorbing unit 5, activated carbon adsorption filter element 6 and ultraviolet disinfection
Unit 7 forms, and raw water compress cell 1 is connected with pretreatment unit, and pretreatment unit is connected with main absorbing unit 5, and main absorption is single
Member 5 is connected with activated carbon adsorption filter element 6, and activated carbon adsorption filter element 6 is connected with UV disinfection unit 7.
In the present embodiment, after the preprocessed unit initial filter of raw water, after the processing of main absorbing unit 5, then activated carbon is passed through
Adsorption filtration unit 6 filter after, through 6 ultraviolet disinfection of UV disinfection unit handle, meanwhile, consider rural area without pressure water condition,
Water compress cell 1 is added in device, for providing power.
Raw water compress cell 1 is made of check-valves 12 and spontaneous imbibition booster pump 11, and spontaneous imbibition booster pump 11 provides pressure and should be greater than
0.2Mpa, less than 0.6MPa.(such as it is stored in when high fluorine raw water is without pressure water condition in water storage cylinder), opens check-valves 12,
By spontaneous imbibition booster pump 11 power is provided to units such as subsequent filter, absorption, disinfections.When high fluorine raw water has a determined power
(when being not less than 0.14Mpa), can be directly entered PP cottons filter 3 by surmounting pipe 2, be not required to be pressurized.Surmount pipe 2 be equipped with surmount
Pipe control valve 21, for flow cavitation result.
The specification of PP cottons filter 3 is 20 cun, and filtering accuracy is 5 μm, for filtering off suspended particulate in water removal etc..
Flow controlling unit can be set to carry out flow-rate adjustment, flow control list between PP cottons filter 3 and main absorbing unit 5
Member includes valve and glass rotameter 4, and the specification of spinner flowmeter 4 is determined according to adsorbent, preferably 1-500ml/min,
By spinner flowmeter 4, water inlet flow velocity is adjusted, to ensure sorbing material and fluorine time of contact.
Main absorbing unit 5 includes threeway 51, valve 52 and adsorption column 53, and adsorption column 53 is the food by meeting FDA standards
The filter that grade PP and AS plastic material is fabricated, series operation, according to high fluorine raw water quality and performance of the adsorbent, selection
2~4 adsorption columns 53 are connected.Specification：20 cun, inside fill out adsorbent, current it is outer into it is interior go out, it is optional for adsorption-defluorination, adsorbent
With new defluorination material Fe-Al-Ce metal composite oxides and traditional sorbing material such as activated alumina, active zeolite etc..
Activated carbon adsorption filter element 6 includes valve and active carbon filter 61, and active carbon filter 61 uses food-grade
PP and AS plastic materials are fabricated, specification：20 cun, filtered using 2 grades of activated carbons, first by the low fluorine after adsorption process
(free-floride) water is filtered through slug type activated carbon again after gac filtration, to filter out fine particle that raw water brings,
Remove heterochromatic peculiar smell in water removal and improve mouthfeel etc..
UV disinfection unit 7 uses ultraviolet sterilizer, sterilizer selection 254nm length ultraviolet lamps, ultraviolet sterilizer
Inside and outside of the main body uses stainless steel, and the polishing treatment of inside and outside of the main body portion is to strengthen ultraviolet irradiation intensity with high-purity quartz set
Pipe assembles, for carrying out ultraviolet disinfection to the water by activated carbon filtering, to ensure the biological safety of water outlet, after disinfection
Water enter water butt 8.
Water butt 8, volume may be selected in 25-50L, the preferably impermeable steel of material, optional food-grade PE materials.System pipe fitting
Material is PE, but is not limited to the tubing material.
Using the high-fluorine water cleaning treatment system carry out water process process be：When raw water is without pressure high-fluorine water source, beat
Check-valves 12 is driven, power is provided by spontaneous imbibition booster pump 11, when raw water has pressure (tap water), closes check-valves 12, raw water is led to
Cross and surmount pipe 2 and be directly entered PP cottons filter 3, the water outlet of PP cotton initial filters enters spinner flowmeter 4, passes through valve before spinner flowmeter 4
Door adjusts flow velocity, controls high fluorine raw water and adsorbent time of contact, the fluorine eliminating rate of absorption ensured；It is single to subsequently enter main absorption
Member 5, valve 52 is fully open on 53 series circuit of adsorption column, adsorption capacity that 53 serial number of adsorption column can be according to adsorbent, height
Fluorine influent density and expected regeneration period determine.Main 5 water outlet of absorbing unit enters activated carbon adsorption filter element 6, and water outlet enters
UV disinfection unit 7, sterilized rear water outlet enter water butt 8, for users to use.
The high-fluorine water cleaning treatment system provided through this embodiment, (no pressure water source can be obtained high-fluorine water by booster pump
Power) after the suspended particulate substance that PP cottons initial filter is removed in high fluorine raw water, by main absorbing unit 5, adsorbed by adsorbent
De-fluorine effect, can be by the fluorine Adsorption in high-fluorine water, so as to fulfill the fluorine removal process of high-fluorine water, then through activated carbon adsorption
Filter, fine particle that raw water is brought, larger molecular organics, colloid and little particle etc. may filter as caused by defluoridation filter material
Remove, to reduce the turbidity of water outlet, while play the role of secondary absorption, and can remove coloring in water and cause to smell material, improve mouthfeel,
Finally by disinfection by ultraviolet light measure, the microbial safety of water outlet ensure that.
The system introduces the environmental protection concept of quality classification water supply and cost reduction (only handles the drinking water needed per the man day, life
Miscellaneous water is not handled, and avoids the problem of centralized processing regeneration liquid waste is more, reclaimed water without processing is also handled), it is comprehensive
Consider that high-fluorine water water quality situation and sorbing material penetrate adsorption capacity, ensure that filtrate useful load can meet long period sorbing material
It is not required regeneration treatment, management to simplify, integrating technology, the synthesis such as addition micro-filtration, activated carbon filtering and ultraviolet disinfection improves
High fluorine raw water quality includes microbiological indicator, is adapted to rural area and family expenses feature and demand, the terminal fluorine removal available for rural area.
Embodiment 1
Hebei high-fluorine water (tap water) application high-fluorine water cleaning treatment system provided in this embodiment carries out water process.If
Meter processing water yield 5L/h.
The processing system, by pretreatment unit (PP cottons initial filter), main absorbing unit, activated carbon adsorption filter element and ultraviolet
Disinfection unit forms.Adsorbent selects Fe-Al-Ce metal composite oxide particulate adsorbent materials (abbreviation GFAC), adsorption column string
Connection number is determined as 4, regeneration period 200d.
Amount of inlet water 5L/h, after the suspended particulate substance that PP cottons initial filter is removed in high fluorine raw water, passes through GFAC adsorbents
Adsorption-defluorination acts on, and realizes the fluorine removal process of high-fluorine water, then filter through activated carbon adsorption, fine particle that raw water is brought, big
It molecular organic, colloid and little particle etc. may be filtered out as caused by GFAC adsorbents, while play the role of secondary absorption,
And can remove coloring in water and cause to smell material, improve mouthfeel；Finally by disinfection by ultraviolet light, the microbial safety of water outlet ensure that
Property.System water inlet and effluent quality are have detected, the results are shown in table 1.
1 County of Hebei Province the utility model high-fluorine water cleaning treatment system effluent quality of table
As known from Table 1, after system processing, fluorine and other correlation water index concentration reach the high fluorine raw water in County of Hebei Province
National standards for drinking water quality.
The a series of tool for describing the feasibility embodiment only for the utility model in detail of those listed above
Body illustrates that they are simultaneously not used to limitation the scope of protection of the utility model, all to be made without departing from the utility model skill spirit
Equivalent implementations or change should be included within the scope of protection of this utility model.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of the spirit or essential attributes without departing substantially from the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The scope of type is indicated by the appended claims rather than the foregoing description, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are embraced therein.
Claims (10)
- A kind of 1. high-fluorine water cleaning treatment system, it is characterised in that including：Pretreatment unit, main absorbing unit, activated carbon adsorption Filter element and UV disinfection unit, the pretreatment unit are connected with the main absorbing unit, the main absorbing unit and institute The connection of activated carbon adsorption filter element is stated, the activated carbon adsorption filter element is connected with the UV disinfection unit；It is described pre- Processing unit is used to remove suspended particulate in water removal to raw water progress initial filter；The main absorbing unit is used for pretreatment unit water outlet Carry out adsorption-defluorination；The activated carbon adsorption filter element has for filtering out fine particle, macromolecular in main absorbing unit water outlet Machine thing, colloid and go water removal in heterochromatic peculiar smell；The UV disinfection unit is used to carry out the water outlet of activated carbon adsorption filter element Ultraviolet disinfection.
- 2. a kind of high-fluorine water cleaning treatment system according to claim 1, it is characterised in that it is single to further include raw water supercharging Member, the raw water compress cell are connected with the pretreatment unit, for carrying out pressurized treatment to raw water.
- 3. a kind of high-fluorine water cleaning treatment system according to claim 2, it is characterised in that further include connection raw water and institute The pipe that surmounts of pretreatment unit is stated, the pipe that surmounts is equipped with control valve.
- 4. a kind of high-fluorine water cleaning treatment system according to claim 3, it is characterised in that the pretreatment unit and master The flow controlling unit for being used for adjusting main absorbing unit flow of inlet water is equipped between absorbing unit.
- A kind of 5. high-fluorine water cleaning treatment system according to claim 2, it is characterised in that the raw water compress cell bag Include check-valves and self-priming booster pump.
- 6. a kind of high-fluorine water cleaning treatment system according to claim 1, it is characterised in that the pretreatment unit includes PP cotton filters, the filtering accuracy of the PP cottons filter is 5 μm.
- 7. a kind of high-fluorine water cleaning treatment system according to claim 1, it is characterised in that the main absorbing unit is by more A adsorption column is composed in series, and adsorbent is filled with the adsorption column.
- 8. a kind of high-fluorine water cleaning treatment system according to claim 7, it is characterised in that the adsorbent uses Fe- Al-Ce metal composite oxides, activated alumina or active zeolite.
- A kind of 9. high-fluorine water cleaning treatment system according to claim 1, it is characterised in that the activated carbon adsorption filtering Unit is composed in series by two active carbon filters, including the first active carbon filter and the second active carbon filter, and described One active carbon filter is connected with the main absorbing unit, and second active carbon filter connects with the UV disinfection unit Connect, granular pattern activated carbon is filled with first active carbon filter, sintering is filled with second active carbon filter Type activated carbon.
- A kind of 10. high-fluorine water cleaning treatment system according to claim 1, it is characterised in that the UV disinfection unit Using 254nm length ultraviolet lamps.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721057871.2U CN207227183U (en) | 2017-08-22 | 2017-08-22 | A kind of high-fluorine water cleaning treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721057871.2U CN207227183U (en) | 2017-08-22 | 2017-08-22 | A kind of high-fluorine water cleaning treatment system |
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| Publication Number | Publication Date |
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| CN207227183U true CN207227183U (en) | 2018-04-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107352713A (en) * | 2017-08-22 | 2017-11-17 | 中国水利水电科学研究院 | A kind of high-fluorine water cleaning treatment system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107352713A (en) * | 2017-08-22 | 2017-11-17 | 中国水利水电科学研究院 | A kind of high-fluorine water cleaning treatment system |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180413 |