CN203498191U - Ultrafiltration combination device for removing fluoride ions in groundwater - Google Patents
Ultrafiltration combination device for removing fluoride ions in groundwater Download PDFInfo
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- CN203498191U CN203498191U CN201320475596.1U CN201320475596U CN203498191U CN 203498191 U CN203498191 U CN 203498191U CN 201320475596 U CN201320475596 U CN 201320475596U CN 203498191 U CN203498191 U CN 203498191U
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- ultrafiltration
- defluorination
- mechanical stirring
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Abstract
The utility model provides an ultrafiltration combination device for removing fluoride ions in groundwater. The ultrafiltration combination device comprises a water inlet pipe, an agent dosing mouth, a defluorination reactor, a mechanical stirring device, an ultrafiltration device and a water outlet pipe, wherein the agent dosing mouth is formed in the water inlet pipe; the water inlet pipe is communicated into the middle part of the defluorination reactor, and the mechanical stirring device is arranged at the middle part of the defluorination reactor; the ultrafiltration device is arranged at the top of the defluorination reactor and is arranged around the mechanical stirring device, and the water outlet pipe is connected with the ultrafiltration device. The ultrafiltration combination device has the advantages of simple structure, convenience in use and low cost. A mechanical stirring and clarifying basin is used as a basic defluorination reaction device, an aluminum salt coagulant hydrolysate, powdery hydroxyapatite and a large number of flocs formed by the aluminum salt coagulant hydrolysate and the powdery hydroxyapatite can be utilized in the reaction device to remove fluoride ions, and the ultrafiltration device is utilized for filtration. As the flocs can stay for a long time in water, the fluoride removing capacity of the powdery hydroxyapatite can be fully utilized. The fluoride removing efficiency is high, and the fluoride removing effect is good.
Description
Technical field
The utility model belongs to water treatment field, particularly a kind of for removing the novel ultrafiltration combination unit of underground water fluorion.
Background technology
Fluorosis is ubiquitous endemy in world wide, and tap water is to cause one of important absorption approach of fluorosis.China is one of the most serious country of fluoride pollution in the world, and except Shanghai City, all there is distribution national each province, relates to nearly hundred million people of population.For water quality characteristics and local labour's operant level of underground water, researching and developing novel, safe fluorine removal device is one of focus of current drinking water treatment industry concern.
The main technology of Fluoride Removal forming both at home and abroad at present mainly comprises coagulation sedimentation, activated alumina absorption method, electroosmose process, reverse osmosis method, ion exchange method, absorption method, bone black absorption, zeolite defluorination method etc., but various technology all exist certain problem in actual application, it is applied and have certain difficulty.Research and development for defluorination material are also another fields of strengthening defluorination research, comprising: the modification on existing sorbent material basis, compound; The research and development of novel defluorination material; The research and development of nano adsorption material etc.
Hydroxyapatite is used to a kind of processing material of Removal of Fluorine From Underground Water in the recent period, and obtains good effect.In addition because material itself does not have toxic action, thereby receive publicity.The form of material has also been extended form of spherical particles filtrate on the basis of powder-material, and is applied in some Practical Projects.For basic proterties and the Fluoride-Absorption Capacity of hydroxyapatite, had at present part fluorine removal device, and partial devices has obtained practical application in Practical Project.Yet although existing fluorine removal device can improve effluent quality to a certain extent, yet it can not effectively utilize the defluorination capacity of hydroxyapatite, and treatment effect is to be improved.
Utility model content
Utility model object: of the present utility model provide a kind of can effectively utilize hydroxyapatite defluorination capacity, treatment effect good for removing the ultrafiltration combination unit of underground water fluorion.
Technical scheme: what the utility model provided is a kind of for removing the ultrafiltration combination unit of underground water fluorion, comprises water inlet pipe, is located at adding of agent mouth, defluorination reactor, mechanical stirring device, ultra-filtration equipment and rising pipe on water inlet pipe; Described water inlet pipe passes into defluorination reactor middle part, and described mechanical stirring device is located at defluorination reactor middle part, and described ultra-filtration equipment is located at defluorination reactor head and is around arranged along mechanical stirring device, and described rising pipe is connected with ultra-filtration equipment.
As preferably, described ultra-filtration equipment is submerged ultrafiltration.
Preferred as another kind, described ultra-filtration equipment is for can molecular weight cut-off being less than or equal to the micromolecular ultra-filtration membrane of 10KDa.
As improvement, also comprise static mixer, described static mixer is located on water inlet pipe and between adding of agent mouth and defluorination reactor.
As another kind, improve, also comprise shore pipe, described shore pipe is located in defluorination sidewall of reactor.
As another kind, improve, also comprise blow-down pipe, described blow-down pipe is located at defluorination reactor bottom.
Beneficial effect: the utility model is simple in structure, easy to use, with low cost for removing the ultrafiltration combination unit of underground water fluorion, using accelerator as basic defluorination reaction unit, in reaction unit, can utilize aluminum salt hydrolysate and powdery hydroxyapatite and both formed great quantity of floc to complete the removal of fluorion, and utilize ultra-filtration equipment to filter, because flco can have the longer residence time in water, thereby the defluorination capacity that can make full use of powdery hydroxyapatite, fluorine removing rate is high, effective.
This device adopts ultra-filtration equipment to control water outlet, can effectively improve device effluent quality on the one hand, great quantity of floc can be trapped on the other hand in reactor effectively to increase the flco concentration in settling pond, make flco concentration can reach 10-20g/L, significantly be greater than the concentration of the 3-10g/L of general settling pond, because flco can have the longer residence time in water, thereby can make full use of the defluorination capacity of powdery hydroxyapatite, further strengthen the effect of defluorination; In addition this device has good adaptability to the variation of water quality, the water yield, can also solve traditional accelerator existing to water quality, the water yield unconformable problem of suddenling change.
Accompanying drawing explanation
Fig. 1 is that the utility model is for removing the structural representation of the ultrafiltration combination unit of underground water fluorion.
Embodiment
According to following embodiment, can understand better the utility model.Yet, those skilled in the art will readily understand, the described concrete material proportion of embodiment, processing condition and result thereof be only for the utility model is described, and should also can not limit the utility model described in detail in claims.
For removing the ultrafiltration combination unit of underground water fluorion, see Fig. 1, comprise water inlet pipe (1), be located at adding of agent mouth (2), defluorination reactor (3), mechanical stirring device (4), ultra-filtration equipment (5), rising pipe (6), static mixer (7), shore pipe (8) and blow-down pipe 9 on water inlet pipe (1); Described water inlet pipe (1) passes into defluorination reactor (3) middle part; Adding of agent mouth (2) arranges two, comprises that the independent Al-based coagulant arranging adds mouth and powdery hydroxyapatite adds mouth; Described mechanical stirring device (4) is located at defluorination reactor (3) middle part, ultra-filtration equipment (5) is located at defluorination reactor (3) top and is around arranged along mechanical stirring device (4), for can molecular weight cut-off being less than or equal to the micromolecular submerged ultrafiltration of 10KDa; Described rising pipe (6) is connected with ultra-filtration equipment (5); Described static mixer (7) is located at water inlet pipe (1) above and is positioned between adding of agent mouth (2) and defluorination reactor (3); Described shore pipe (8) is located on defluorination reactor (3) sidewall; Described blow-down pipe (9) is located at defluorination reactor (3) bottom.
Said apparatus is applied to Removal of Fluorine From Underground Water, and concrete grammar is:
By underground water and Al-based coagulant, hydroxyapatite drops in water inlet pipe 1, Al-based coagulant, powdery hydroxyapatite, the amount ratio of water should be controlled at (10-20) mg:(50-100) mg:1L, after the interior mixing of static mixer 7, pass in defluorination reactor 3, at the interior employing mechanical stirring device 4 of defluorination reactor 3, stir, flocculation, control hydraulic detention time more than 2h, and control defluorination reactor 3 bottom flco concentration at 10-20g/L, utilize aluminum salt hydrolysate and powdery hydroxyapatite and both formed great quantity of floc to complete the removal of fluorion, and utilize ultra-filtration equipment 5 to filter, the membrane flux of ultra-filtration equipment 5 is controlled at 30L/m
2in h, for trap water molecular weight, be less than or equal to the particulate matter of 10KDa, guarantee that effluent quality meets drinking water sanitary standard requirement.
With said apparatus, process the underground water that initial content of fluoride ion is 3mg/L, steady running 1 month, operating parameter and effect are in Table 1.
Table 1 is processed groundwater parameter and effect
Claims (6)
1. for removing a ultrafiltration combination unit for underground water fluorion, it is characterized in that: comprise water inlet pipe (1), be located at adding of agent mouth (2), defluorination reactor (3), mechanical stirring device (4), ultra-filtration equipment (5) and rising pipe (6) on water inlet pipe (1); Described water inlet pipe (1) passes into defluorination reactor (3) middle part, described mechanical stirring device (4) is located at defluorination reactor (3) middle part, described ultra-filtration equipment (5) is located at defluorination reactor (3) top and is around arranged along mechanical stirring device (4), and described rising pipe (6) is connected with ultra-filtration equipment (5).
2. according to claim 1 a kind of for removing the ultrafiltration combination unit of underground water fluorion, it is characterized in that: described ultra-filtration equipment (5) is submerged ultrafiltration.
3. according to claim 1 a kind of for removing the ultrafiltration combination unit of underground water fluorion, it is characterized in that: described ultra-filtration equipment (5) is for can molecular weight cut-off being less than or equal to the micromolecular ultra-filtration membrane of 10KDa.
4. according to claim 1 a kind of for removing the ultrafiltration combination unit of underground water fluorion, it is characterized in that: also comprise static mixer (7), described static mixer (7) is located at water inlet pipe (1) above and is positioned between adding of agent mouth (2) and defluorination reactor (3).
5. according to claim 1 a kind of for removing the ultrafiltration combination unit of underground water fluorion, it is characterized in that: also comprise shore pipe (8), described shore pipe (8) is located on defluorination reactor (3) sidewall.
6. according to claim 1 a kind of for removing the ultrafiltration combination unit of underground water fluorion, it is characterized in that: also comprise blow-down pipe (9), described blow-down pipe (9) is located at defluorination reactor (3) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320475596.1U CN203498191U (en) | 2013-08-05 | 2013-08-05 | Ultrafiltration combination device for removing fluoride ions in groundwater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320475596.1U CN203498191U (en) | 2013-08-05 | 2013-08-05 | Ultrafiltration combination device for removing fluoride ions in groundwater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203498191U true CN203498191U (en) | 2014-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320475596.1U Expired - Fee Related CN203498191U (en) | 2013-08-05 | 2013-08-05 | Ultrafiltration combination device for removing fluoride ions in groundwater |
Country Status (1)
| Country | Link |
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| CN (1) | CN203498191U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104193028A (en) * | 2014-06-16 | 2014-12-10 | 江苏永冠给排水设备有限公司 | Fluorine removal method for compound drinking water |
| CN104399426A (en) * | 2014-12-08 | 2015-03-11 | 中国矿业大学 | Production method of aluminum-doped hydroxyapatite defluorinating filter material |
| CN112811669A (en) * | 2021-01-28 | 2021-05-18 | 天津市联合环保工程设计有限公司 | Fluorine-containing industrial wastewater treatment system and treatment method thereof |
| CN115571963A (en) * | 2022-10-17 | 2023-01-06 | 西安西热水务环保有限公司 | Synchronous turbidity-reducing and fluorine-removing medicament and use method thereof |
-
2013
- 2013-08-05 CN CN201320475596.1U patent/CN203498191U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104193028A (en) * | 2014-06-16 | 2014-12-10 | 江苏永冠给排水设备有限公司 | Fluorine removal method for compound drinking water |
| CN104399426A (en) * | 2014-12-08 | 2015-03-11 | 中国矿业大学 | Production method of aluminum-doped hydroxyapatite defluorinating filter material |
| CN112811669A (en) * | 2021-01-28 | 2021-05-18 | 天津市联合环保工程设计有限公司 | Fluorine-containing industrial wastewater treatment system and treatment method thereof |
| CN115571963A (en) * | 2022-10-17 | 2023-01-06 | 西安西热水务环保有限公司 | Synchronous turbidity-reducing and fluorine-removing medicament and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20140326 |