CN106495350A - Drinking water defluorination turbidity removal filter - Google Patents
Drinking water defluorination turbidity removal filter Download PDFInfo
- Publication number
- CN106495350A CN106495350A CN201611126979.2A CN201611126979A CN106495350A CN 106495350 A CN106495350 A CN 106495350A CN 201611126979 A CN201611126979 A CN 201611126979A CN 106495350 A CN106495350 A CN 106495350A
- Authority
- CN
- China
- Prior art keywords
- removal filter
- water
- filter bed
- turbidity removal
- fluorine
- 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.)
- Pending
Links
- 239000003651 drinking water Substances 0.000 title claims abstract description 26
- 235000020188 drinking water Nutrition 0.000 title claims abstract description 26
- 238000006115 defluorination reaction Methods 0.000 title claims abstract description 25
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 77
- 239000011737 fluorine Substances 0.000 claims abstract description 77
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims abstract description 76
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000000835 fiber Substances 0.000 claims abstract description 17
- 239000000706 filtrate Substances 0.000 claims abstract description 11
- 238000001914 filtration Methods 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 81
- 230000000694 effects Effects 0.000 abstract description 10
- 230000008929 regeneration Effects 0.000 abstract description 5
- 238000011069 regeneration method Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 4
- 239000003463 adsorbent Substances 0.000 description 6
- 229910052593 corundum Inorganic materials 0.000 description 6
- 229910001845 yogo sapphire Inorganic materials 0.000 description 6
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 229910021536 Zeolite Inorganic materials 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 210000000988 bone and bone Anatomy 0.000 description 2
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 239000010457 zeolite Substances 0.000 description 2
- 208000006820 Arthralgia Diseases 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 230000001684 chronic effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 210000003298 dental enamel Anatomy 0.000 description 1
- 208000004042 dental fluorosis Diseases 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 239000003077 lignite Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002594 sorbent Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/12—Halogens or halogen-containing compounds
- C02F2101/14—Fluorine or fluorine-containing compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention discloses a kind of drinking water defluorination turbidity removal filter, including housing (1), it is characterised in that：The top of housing (1) is provided with turbidity removal filter bed (2) and the bottom of housing (1) is provided with fluorine removal filter bed (3), using activated alumina filtrate is adopted in fiber bundle media and fluorine removal filter bed (3) in turbidity removal filter bed (2), separated using water-stop sheet (4) between turbidity removal filter bed (2) and fluorine removal filter bed (3)；The filter using when first carry out after fluorine removal, carrying out turbidity removal.The structure design of the drinking water defluorination turbidity removal filter of present invention turbidity removal after being layered fluorine removal turbidity removal and first fluorine removal, there is the characteristics of defluorination effect is good, floor space is little, and the cheap of the filter, operating cost be low, management is easy, filtrate can be used for multiple times after regeneration simultaneously, and life-span of filtering material is long.
Description
Technical field
The present invention relates to water-treatment technology field, specifically one kind can remove fluoride ion in drinking water and float
Drinking water defluorination turbidity removal filter.
Background technology
China's subsoil water fluorine-containing area widely dispersed, because the high water of long-term drink fluorinated volume can cause chronic in
Poison, particularly produces serious harm to tooth and skeleton.The lighter suffers from dental fluorosis, shows as enamel damage, and tooth comes off too early
Deng, severe one then bone joint pain, or even textured bone, there is hunch etc., completely lose work capacity.The harm of high-fluorine water
Serious, in Drinking Water in China standard, the content of regulation fluorine must not exceed 1mg/L, it is therefore desirable to remove fluorine in drinking water from
Son.
Content of the invention
The purpose of the present invention be for prior art exist problem, there is provided one kind can remove fluoride ion in drinking water and
The drinking water defluorination turbidity removal filter of float.
The purpose of the present invention is solved by the following technical programs：
A kind of drinking water defluorination turbidity removal filter, including housing, it is characterised in that：The top of the housing is provided with turbidity removal filter
The bottom of bed and housing is provided with fluorine removal filter bed, adopts in turbidity removal filter bed
Filtrate, is separated using water-stop sheet between turbidity removal filter bed and fluorine removal filter bed；The filter using when first carry out after fluorine removal, carrying out turbidity removal.
The bottom of the housing is provided with raw water tubes, and raw water tubes are upward through fluorine removal filter bed and raw water tubes top is provided with to be located at and removes
Raw water allotter between fluorine filter bed and water-stop sheet, raw water are guided to fluorine removal filter bed upper strata and are led to by raw water allotter from top to bottom
Fluorine removal filter bed is crossed, raw water is removing the fluorion in raw water after fluorine removal filter bed.
The gripper shoe of the fluorine removal filter bed bottom is provided with filter cap, and the gap of filter cap is 0.25 ± 0.05mm.
Mozzle is provided with described housing, and mozzle is used for connecting fluorine removal water cavity and the water-stop sheet below fluorine removal filter bed
Side treats turbidity removal water cavity；It is removed the defluoroing water after fluorion and is guided to through mozzle by fluorine removal water cavity and treats in turbidity removal water cavity etc.
Treat turbidity removal.
Described treat in turbidity removal water cavity treat except muddy water is from bottom to top by turbidity removal filter bed, fiber under the promotion of water flow pressure
It is about to fiber bundle media on filter plate below beam filtrate and is compressed into 1um filter bed bodies, treats under pressure to pass through turbidity removal except muddy water
Filter bed causes the float in water to be trapped within fiber bundle media.
Porous plate is provided with the top of the turbidity removal filter bed, column is provided between porous plate and water-stop sheet, and filter plate can
Slide up and down along column.
Described housing is provided with backwash tube, described backwash tube be connected at the top of housing with can be to turbidity removal
Filter bed carries out top-down backwash；Described backwash tube is connected to filter fluorine removal with the fluorine removal water cavity of housing bottom
Bed carries out backwash from bottom to top.
Manhole is respectively arranged with the turbidity removal filter bed and the corresponding housing of fluorine removal filter bed.
The drinking water defluorination turbidity removal filter reaction mechanism of the present invention is as follows：
Absorption method fluorine removal is to will be equipped with activated alumina, polyaluminium salts, brown coal adsorbent, functional fibre adsorbent, activity
The equipment of the adsorbents such as charcoal is put in industrial wastewater, makes fluorion by carrying out special or conventional ion exchange with solid dielectric
Or chemical reaction, finally adsorbing and be removed on the sorbent, adsorbent can also pass through to regenerate to recover exchange capacity.In order to protect
Card treatment effect, the pH value of waste water are unsuitable too high, and general control will be controlled by 5 or so, in addition the absorption temperature of adsorbent, no
Can be too high, effect is very notable.
Adsorption filtration method, exactly using activated alumina to water in fluorine carry out displacement filtration, activated alumina is white
Granular porous adsorbent, has larger specific surface area, is the both economical effective method of fluorine removal.Activated alumina is amphoteric compound
Matter, about 9.5, the adsorbable anion when the pH value of water is less than 9.5 can remove cation to isoelectric point, IP during more than 9.5.Therefore,
Activated alumina is anionite in an acidic solution, has great selectivity to fluorine.Activated alumina is using front available
Aluminum sulfate solution is activated, and is made to transform into sulfate type, is reacted as follows：(Al2O3)n·2H2O+SO4→(Al2O3)n·H2SO4+
2OH-, reaction during fluorine removal is：(Al2O3)n·H2SO4+2F→(Al2O3)n·2HF+SO43. activated alumina loses fluorine removal energy
After power, the aluminum sulfate solution that can be attempted with 1%-2% regenerates：(Al2O3)n·2HF+SO4→(Al2O3)n·H2SO4Per gram of+2F
Activated alumina can adsorb the weight of fluorine, generally 1.2～4.5mg, and it depends on：The Funing tablet of raw water, pH value, active oxygen
Change granular size of aluminum etc..
The present invention has the following advantages compared to existing technology：
The drinking water defluorination turbidity removal filter of present invention structure of turbidity removal after being layered fluorine removal turbidity removal and first fluorine removal sets
Meter, with defluorination effect good, floor space is little the characteristics of, and the cheap of the filter, operating cost be low, management is easy,
Filtrate can be used for multiple times after regeneration simultaneously, and life-span of filtering material is long.
Description of the drawings
Structural representation of the accompanying drawing 1 for the drinking water defluorination turbidity removal filter of the present invention.
Wherein：1 housing；2 turbidity removal filter beds；3 fluorine removal filter beds；4 water-stop sheets；5 raw water tubes；6 raw waters are distributed
Device；7 filter caps；8 mozzles；9 fluorine removal water cavities；10 treat turbidity removal water cavity；11 filter plates；12 porous plates；13 columns；
14 backwash tubes；15 manholes.
Specific embodiment
The present invention is further illustrated with embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1：A kind of drinking water defluorination turbidity removal filter, including housing 1, is provided with turbidity removal filter on the top of housing 1
The bottom of bed 2 and housing 1 is provided with fluorine removal filter bed 3, active using adopting in fiber bundle media and fluorine removal filter bed 3 in turbidity removal filter bed 2
Aluminium oxide filtrate, is separated using water-stop sheet 4 between turbidity removal filter bed 2 and fluorine removal filter bed 3；The filter using when first carry out after fluorine removal
Carry out turbidity removal.Specifically, raw water tubes 5 are provided with the bottom of housing 1, raw water tubes 5 are upward through fluorine removal filter bed 3 and raw water tubes 5
Top is provided with the raw water allotter 6 between fluorine removal filter bed 3 and water-stop sheet 4, and raw water is guided to fluorine removal filter by raw water allotter 6
3 upper stratas of bed simultaneously pass through fluorine removal filter bed 3, and raw water removes the fluorion in raw water after by fluorine removal filter bed 3；In fluorine removal
The gripper shoe of 3 bottom of filter bed is provided with filter cap 7, and the gap of filter cap 7 is 0.25 ± 0.05mm, and raw water removes Natural zeolite through filter cap
In the fluorine removal water cavity 9 fallen into below fluorine removal filter bed 3；It is provided with for connecting the fluorine removal water cavity 9 below fluorine removal filter bed 3 within the case 1
The mozzle 8 for treating turbidity removal water cavity 10 with above water-stop sheet 4, is removed the defluoroing water after fluorion by fluorine removal water cavity 9 through water conservancy diversion
Pipe 8 is guided to be treated to wait turbidity removal in turbidity removal water cavity 10, treats that treating in turbidity removal water cavity 9 passes through turbidity removal filter bed from bottom to top except muddy water
2, it is about to fiber bundle media on the filter plate 11 below fiber bundle media under the promotion of water flow pressure and is compressed into 1um filter bed bodies,
Treat except muddy water by turbidity removal filter bed 2 so that the float in water is trapped within fiber bundle media under pressure effect.In addition removing
The top of turbid filter bed 2 is provided with porous plate 12, is provided with column 13, and filter plate 11 can be along vertical between porous plate 12 and water-stop sheet 4
Post 13 is slided up and down.
On the basis of said structure：Housing 1 is provided with the top of backwash tube 14, described backwash tube 14 and housing 1
Portion is connected to carry out top-down backwash to turbidity removal filter bed 2；Described backwash tube 14 and the fluorine removal of 1 bottom of housing
Water cavity 9 is connected to carry out fluorine removal filter bed 3 backwash from bottom to top.Simultaneously corresponding in turbidity removal filter bed 2 and fluorine removal filter bed 3
Housing 1 on be respectively arranged with manhole 15.
When using, raw water is entered the drinking water defluorination turbidity removal filter of the present invention from the bottom of housing 1, is distributed by raw water
Device 6 is guided to 3 upper strata of fluorine removal filter bed and passes through the entrance filtration of fluorine removal filter bed 3 and removes Natural zeolite；Then go fluorine removal from
The water of son flows through mozzle 8 and is guided to be treated to wait turbidity removal in turbidity removal water cavity 10, treats treating except muddy water is from lower in turbidity removal water cavity 9
Above by turbidity removal filter bed 2, it is about to fiber bundle media compression on the filter plate 11 below fiber bundle media under the promotion of water flow pressure
Into 1um filter bed bodies, treated except muddy water under pressure by turbidity removal filter bed 2 so that the float in water is trapped within fiber-bundle filtering
In material.
The backwash of the drinking water defluorination turbidity removal filter is combined with continuous backwash using segmentation backwash, and segmentation backwash is first
Backwash operation is carried out to turbidity removal filter bed 2, and current by turbidity removal filter bed 2, fiber filler beam is entered at the top of housing 1 are from top to bottom now
The dirt dammed in fiber filler beam is washed out by loose condition (of surface), backwash current, and water flows through the distribution pipe outside housing 1 and is guided to ground
Hole, after backwash lasts 5min, current are guided to 3 bottom of fluorine removal filter bed by three-way valve change over valve position, under water flow pressure effect,
Seed activity aluminium oxide filtrate is lifted up, and carries out backwash to activated alumina filtrate.Activity is regarded in 3 backwash process of fluorine removal filter bed
The regeneration period of aluminium oxide filtrate, periodically add aluminum sulfate solution regeneration, regenerated liquid dosing pump to may be selected and adds, also can select and penetrate
Stream device is added.
The drinking water defluorination turbidity removal filter of present invention structure of turbidity removal after being layered fluorine removal turbidity removal and first fluorine removal sets
Meter, with defluorination effect good, floor space is little the characteristics of, and the cheap of the filter, operating cost be low, management is easy,
Filtrate can be used for multiple times after regeneration simultaneously, and life-span of filtering material is long.
Above example technological thought only to illustrate the invention, it is impossible to which protection scope of the present invention is limited with this, every
According to technological thought proposed by the present invention, any change that is done on the basis of technical scheme, the scope of the present invention is each fallen within
Within；The technology that the present invention is not directed to can be realized by prior art.
Claims (8)
1. a kind of drinking water defluorination turbidity removal filter, including housing (1), it is characterised in that：The top of housing (1) is provided with removes
The bottom of turbid filter bed (2) and housing (1) is provided with fluorine removal filter bed (3), adopts fiber bundle media and fluorine removal filter bed in turbidity removal filter bed (2)
(3) using activated alumina filtrate in, separated using water-stop sheet (4) between turbidity removal filter bed (2) and fluorine removal filter bed (3)；The filtration
Device using when first carry out after fluorine removal, carrying out turbidity removal.
2. drinking water defluorination turbidity removal filter according to claim 1, it is characterised in that：The bottom of housing (1) sets
Have raw water tubes (5), raw water tubes (5) are upward through fluorine removal filter bed (3) and raw water tubes (5) top is provided with positioned at fluorine removal filter bed (3) and
Raw water allotter (6) between water-stop sheet (4), raw water fluorine removal filter bed (3) upper strata is guided to by raw water allotter (6) and from upper and
Down by fluorine removal filter bed (3), raw water is removing the fluorion in raw water afterwards by fluorine removal filter bed (3).
3. drinking water defluorination turbidity removal filter according to claim 1 and 2, it is characterised in that：Fluorine removal filter bed (3) bottom
The gripper shoe in portion is provided with filter cap (7), and the gap of filter cap (7) is 0.25 ± 0.05mm.
4. drinking water defluorination turbidity removal filter according to claim 1, it is characterised in that：It is provided with described housing (1)
Mozzle (8), mozzle (8) are removed for connecting treating above the fluorine removal water cavity (9) and water-stop sheet (4) below fluorine removal filter bed (3)
Muddy water chamber (10)；It is removed the defluoroing water after fluorion and is guided to through mozzle (8) by fluorine removal water cavity (9) and treats turbidity removal water cavity
(10) turbidity removal is waited in.
5. the drinking water defluorination turbidity removal filter according to claim 1 or 4, it is characterised in that：Described treat turbidity removal water cavity (9)
In treat except muddy water is from bottom to top by turbidity removal filter bed (2), the filter plate below fiber bundle media under the promotion of water flow pressure
(11) be about to fiber bundle media on and be compressed into 1um filter bed bodies, treat under pressure water to be caused except muddy water by turbidity removal filter bed (2)
In float be trapped within fiber bundle media.
6. drinking water defluorination turbidity removal filter according to claim 5, it is characterised in that：The top of turbidity removal filter bed (2)
Portion is provided with porous plate (12), is provided with column (13), and filter plate (11) can be along column between porous plate (12) and water-stop sheet (4)
(13) slide up and down.
7. drinking water defluorination turbidity removal filter according to claim 1, it is characterised in that：Described housing (1) is provided with
Backwash tube (14), described backwash tube (14) be connected at the top of housing (1) with turbidity removal filter bed (2) can be carried out from
Backwash under above；Described backwash tube (14) is connected to filter fluorine removal with the fluorine removal water cavity (9) of housing (1) bottom
Bed (3) carries out backwash from bottom to top.
8. drinking water defluorination turbidity removal filter according to claim 1, it is characterised in that：Turbidity removal filter bed (2) and remove
Fluorine filter bed (3) is respectively arranged with manhole (15) on corresponding housing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611126979.2A CN106495350A (en) | 2016-12-09 | 2016-12-09 | Drinking water defluorination turbidity removal filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611126979.2A CN106495350A (en) | 2016-12-09 | 2016-12-09 | Drinking water defluorination turbidity removal filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106495350A true CN106495350A (en) | 2017-03-15 |
Family
ID=58330683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611126979.2A Pending CN106495350A (en) | 2016-12-09 | 2016-12-09 | Drinking water defluorination turbidity removal filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106495350A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86204252U (en) * | 1986-06-14 | 1987-08-19 | 成都科技大学 | Fluorine removing device for drinking water |
| CN1605568A (en) * | 2003-10-10 | 2005-04-13 | 丁强 | Apparatus for removing fluorine in water |
| CN201643813U (en) * | 2010-04-21 | 2010-11-24 | 湖南同一水处理科技有限公司 | Quartz sand filter |
| CN101948199A (en) * | 2010-10-12 | 2011-01-19 | 北京工商大学 | Novel rural drinking water defluorinating device |
| CN102642889A (en) * | 2012-04-13 | 2012-08-22 | 陈联 | Defluorination water treatment equipment |
| CN103693796A (en) * | 2013-12-22 | 2014-04-02 | 吉林大学 | Rural miniature drinking water fluoride removal device |
| CN203582610U (en) * | 2013-08-27 | 2014-05-07 | 王辉 | Water softener for blending white spirit to remove fluorine |
| CN203922868U (en) * | 2014-04-14 | 2014-11-05 | 北京利澳盛水务科技有限公司 | A kind of Removal of Fluorine From Underground Water treatment unit |
| CN205294896U (en) * | 2015-12-31 | 2016-06-08 | 马鞍山市吉利机械设备有限公司 | Can get rid of walnut shell filter of heavy metal among oily sewage |
| CN206437954U (en) * | 2016-12-09 | 2017-08-25 | 宜兴市苏嘉环保设备有限公司 | Drinking water defluorination turbidity removal filter |
-
2016
- 2016-12-09 CN CN201611126979.2A patent/CN106495350A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86204252U (en) * | 1986-06-14 | 1987-08-19 | 成都科技大学 | Fluorine removing device for drinking water |
| CN1605568A (en) * | 2003-10-10 | 2005-04-13 | 丁强 | Apparatus for removing fluorine in water |
| CN201643813U (en) * | 2010-04-21 | 2010-11-24 | 湖南同一水处理科技有限公司 | Quartz sand filter |
| CN101948199A (en) * | 2010-10-12 | 2011-01-19 | 北京工商大学 | Novel rural drinking water defluorinating device |
| CN102642889A (en) * | 2012-04-13 | 2012-08-22 | 陈联 | Defluorination water treatment equipment |
| CN203582610U (en) * | 2013-08-27 | 2014-05-07 | 王辉 | Water softener for blending white spirit to remove fluorine |
| CN103693796A (en) * | 2013-12-22 | 2014-04-02 | 吉林大学 | Rural miniature drinking water fluoride removal device |
| CN203922868U (en) * | 2014-04-14 | 2014-11-05 | 北京利澳盛水务科技有限公司 | A kind of Removal of Fluorine From Underground Water treatment unit |
| CN205294896U (en) * | 2015-12-31 | 2016-06-08 | 马鞍山市吉利机械设备有限公司 | Can get rid of walnut shell filter of heavy metal among oily sewage |
| CN206437954U (en) * | 2016-12-09 | 2017-08-25 | 宜兴市苏嘉环保设备有限公司 | Drinking water defluorination turbidity removal filter |
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