CN2191209Y - Fluorine removing apparatus for drinking water - Google Patents
Fluorine removing apparatus for drinking water Download PDFInfo
- Publication number
- CN2191209Y CN2191209Y CN 94207260 CN94207260U CN2191209Y CN 2191209 Y CN2191209 Y CN 2191209Y CN 94207260 CN94207260 CN 94207260 CN 94207260 U CN94207260 U CN 94207260U CN 2191209 Y CN2191209 Y CN 2191209Y
- Authority
- CN
- China
- Prior art keywords
- water
- zeolite
- fluoride removal
- fluoride
- utility
- 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
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Abstract
The utility model belongs to a drinking water treatment device, which is suitable for areas having underground water with fluorine content exceeding that of drinking water standard. The upper end of a fluoride removal device is provided with a water inlet, the lower end of the fluoride removal device is provided with a water outlet, and the main body of the fluoride removal device is provided with a fluoride removal cylinder. The outer layer of the fluoride removal cylinder is a cylinder body, and the water outlet in the bottom layer of the cylinder body is provided with an orifice plate. The upper layer of the orifice plate is provided with a filter screen, and a zeolite filtering layer is arranged in the cylinder body above the filter screen. The zeolite filtering layer has a thickness of 0.4 m, and the zeolite filtering layer is filled by zeolite broken into a granularity between 40 meshes and 60 meshes. Compared with the method of fluoride removal via electrodialysis and activated alumina, the utility model has the advantages of high water filtering speed, low cost and convenient operation, and the utility model is easy to accept and use by the public in the areas with high fluoride content.
Description
The utility model belongs to a kind of drinking-water treatment apparatus, is applicable to that the underground water fluorine content surpasses the area use of standard for drinking.
Osteofluorosis is a kind of endemy, exceeds standard mainly due to fluorine content in the tap water, and people and animals' long-term drinking causes fluorosis and causes, and there is many provinces this type of endemy that distributes in China.For many years, country's cost substantial contribution is used for defluorinate modify-water work, and the device of use mainly contains two classes, and a kind of is electrodialysis defluorinate modify-water, and main drawback is that facility investment is very big, and processing cost is higher.The another kind of activated alumina defluorination that adopts, its shortcoming are that speed is slow and will often change aluminum oxide, and cost is also than higher.
The purpose of this utility model is exactly at the high shortcoming of the fluorine removal device cost of present use, provide a kind of easy to use, processing speed is very fast, the lower-cost fluoride content and improving water quality device that removes.
The utility model is to realize like this.The fluorine remover upper end is a water-in, and the lower end is a water outlet, and the fluorine remover main body is a fluoride removing cylinder, the fluoride removing cylinder skin is a cylindrical shell, on the cylindrical shell bottom water outlet orifice plate is housed, and filter screen is housed above the orifice plate, the zeolite filtration layer is housed, about 0.4 meter of the thickness of zeolite filtration layer in the cylindrical shell more than the filter screen.The zeolite filtration layer, is loaded after the sodium hydroxide solution activation treatment of 2% concentration and forms through being crushed to 40-60 order granularity by zeolite.Mainly utilize " molecular sieve " effect of zeolite that tap water is carried out the defluorinate processing, this fluorite filtering layer also can use for a long time repeatedly, when defluorination effect reduced, available 2% alum solution carries out cleaning and regeneration to be handled, and the zeolite that manipulation of regeneration is crossed can be reused again.
The utility model is compared with the activated alumina defluorination with original electrodialysis defluorination, have the advantage that drainage rate is fast, cost is low, cost of water treatment per ton only about 0.7 yuan, is significantly less than preceding two kinds, and easy to use, be easy to be accepted and use by the high fluorice region masses.
Accompanying drawing is a structural representation of the present utility model.
Make fluoride removing cylinder (5) with metal or plastics, the about 200CM of diameter of tube can strengthen according to the aquifer yield needs; Highly be 600CM, the upper end is water-in (6), the lower end is water outlet (1), in water outlet (1) top a porous orifice filter (2) is installed, nylon filtering net (3) is installed on the orifice plate (2), in the tube more than the filtering net (3) zeolite filtration layer (4) is housed, zeolite filtration layer (4) is used using natural clinoptilolite, screening 40-60 order granularity after fragmentation, sodium hydroxide solution with 2% concentration carries out activation treatment to it, to place during processing more than 24 hours, clean in the fluoride removing cylinder (5) of packing into then about 0.4 meter of thickness after the processing.Fluorine remover can be placed on the shelf, during use on top water-in (6) add water of high fluorine content, water outlet (1) locate just can to obtain every liter of fluorine content less than 1 milligram, conform to the water of standard for drinking.
Claims (2)
1, a kind of drinking water defluorination device is made up of water-in, water outlet and fluoride removing cylinder, it is characterized in that the fluoride removing cylinder skin is cylindrical shell, and a bottom is equipped with orifice plate in the tube, and filter screen is housed above the orifice plate, in the cylindrical shell more than the filter screen zeolite filtration layer is housed.
2, fluorine remover as claimed in claim 1 is characterized in that about 0.4 meter of zeolite filtration layer thickness, is loaded after sodium hydroxide solution activate to be handled and forms through being crushed to 40-60 order granularity by zeolite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94207260 CN2191209Y (en) | 1994-03-18 | 1994-03-18 | Fluorine removing apparatus for drinking water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94207260 CN2191209Y (en) | 1994-03-18 | 1994-03-18 | Fluorine removing apparatus for drinking water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2191209Y true CN2191209Y (en) | 1995-03-08 |
Family
ID=33825636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94207260 Expired - Fee Related CN2191209Y (en) | 1994-03-18 | 1994-03-18 | Fluorine removing apparatus for drinking water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2191209Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102432115A (en) * | 2011-12-31 | 2012-05-02 | 华北水利水电学院 | Fluorine removal device and high-fluorine water fluorine removal system |
-
1994
- 1994-03-18 CN CN 94207260 patent/CN2191209Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102432115A (en) * | 2011-12-31 | 2012-05-02 | 华北水利水电学院 | Fluorine removal device and high-fluorine water fluorine removal system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |