CN202705064U - Washing device for tantalum and niobium hydroxides - Google Patents
Washing device for tantalum and niobium hydroxides Download PDFInfo
- Publication number
- CN202705064U CN202705064U CN 201220405065 CN201220405065U CN202705064U CN 202705064 U CN202705064 U CN 202705064U CN 201220405065 CN201220405065 CN 201220405065 CN 201220405065 U CN201220405065 U CN 201220405065U CN 202705064 U CN202705064 U CN 202705064U
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- tantalum
- washing device
- conveyer belt
- high pressure
- filter press
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Abstract
The utility model discloses a washing device for tantalum and niobium hydroxides. The washing device for tantalum and niobium hydroxides is characterized by composing a filter press, a two-way conveyor belt, a big take-up pan, a pulping tank, a high pressure size delivery pump and a stirring machine. The filter press is arranged above the two-way conveyer belt, the big take-in plate is arranged under the right end of the two-way conveyor belt, and the stirring machine is arranged in the pulping tank, the feed end of the high pressure size delivery pump is connected with the discharge end of the side wall of the bottom of the pulping tank and the discharge end of the high pressure size delivery pump is connected with the feed end of the filter press. The washing device for tantalum and niobium hydroxides has the advantages of effectively reducing the requirements to operators and at least half of pure water consumption, greatly shortening the washing time and meanwhile effectively recycling ammonium fluoride products, effectively reducing the ammonia nitrogen pollution to environment and being simple in device and convenient to operate.
Description
Technical field
The utility model relates to the treatment facility of tantalum niobium oxyhydroxide, especially relates to a kind of washing device of tantalum niobium oxyhydroxide.
Background technology:
Tantalum niobium oxyhydroxide is the presoma of tantalum niobium oxide.The tantalum niobium oxyhydroxide of high-temperature calcination oven dry can obtain the tantalum niobium oxide.In the index of tantalum niobium oxide, fluorion has strict demand, and for common tantalum niobium oxide, its content of fluoride ion requires less than or equal to 100ppm, and high purity product then requires content of fluoride ion less than or equal to 30ppm.Fluorion is water miscible in the production process of tantalum niobium oxyhydroxide, and washing methods has a direct impact for the content of fluorion.
The washing of traditional tantalum niobium oxyhydroxide generally is such: the slurry of the tantalum niobium oxyhydroxide of becoming reconciled in inciting somebody to action is transported in the filtering and washing groove, the outside of rinse bath is the negative pressure that forms by the vacuum filtration pump, under the state that stirs, constantly pass into hot pure water, drive the ammonia in the slurry out of, extract the fluorine-containing aqueous solution out by negative pressure.Because the particle of tantalum niobium oxyhydroxide is very thin, under negative pressure, be easy to form filter cake at the filter cloth of rinse bath inwall, thereby affect washing effect, therefore need manually this filter cake to be cleared up to get off to relaunder.The content of the washing water fluorion of the tantalum niobium oxyhydroxide that this processing requirement is washed is 0.3g/L, if the filter cake clearing times is very few, although the content of fluorion is less than 0.3g/L in the lower water, the content of the fluorion in the tantalum niobium oxyhydroxide still can be very high, sometimes can reach 5000ppm, even through high-temperature calcination, the requirement that still can not reach product.And granular size, filter cake thickness, the filter cake of the vacuum tightness of washing time and vacuum filtration pump, pure water water temperature height, tantalum niobium oxyhydroxide are taken off the material number of times very large relation are arranged, such as the tantalum niobium oxyhydroxide of every trough washery 40Kg, generally needed 8～12 hours just can reach requirement.
The neutralization reaction formula of tantalum hydroxide is as follows, the neutralization reaction of niobium hydroxide similarly:
H
2TaOF
5+5NH
3+4H
2O=Ta(OH)
5+5NH
4F
By above reaction equation as can be known, can form a large amount of water soluble fluoridized ammonia in the N-process of tantalum niobium oxyhydroxide.
Because the content of the fluorion in the original tantalum niobium oxyhydroxide is very high, wash 0.3g/L, with traditional method, need a large amount of hot pure water, simultaneously greatly dilute fluorion and the ammonium ion in the aqueous solution, thereby produced a large amount of ammonia-containing waters, large to environmental influence.In tantalum niobium industry, the reduction ammonia nitrogen is a difficult problem to the pollution of environment.
Summary of the invention:
The purpose of this utility model is to provide a kind of can reduce requirement to operator effectively, reduce pure water consumption over half at least, greatly shorten washing time, simultaneously can efficient recovery ammonium fluoride product, can effectively reduce ammonia nitrogen to the washing device of simple, the easy to operate tantalum niobium oxyhydroxide of pollution, the equipment of environment.
The purpose of this utility model is achieved in that
A kind of washing device of tantalum niobium oxyhydroxide, feature is: be comprised of pressure filter, two-way conveyer belt, large stock pan, making beating tank, high-pressure slurry transferpump and stirrer, pressure filter be positioned over two-way conveyer belt above, below the left end of two-way conveyer belt, be placed with large stock pan, below the right-hand member of two-way conveyer belt, be placed with the making beating tank, in the making beating tank, be placed with stirrer, the feed end of high-pressure slurry transferpump links to each other with discharge end on the making beating pot bottom sidewall, and the discharge end of high-pressure slurry transferpump links to each other with the feed end of pressure filter.
The utility model is comprised of pressure filter, two-way conveyer belt, large stock pan, making beating tank, high-pressure slurry transferpump and stirrer, have advantages of the requirement that can effectively reduce operator, reduce pure water consumption over half at least, greatly shorten washing time, simultaneously can efficient recovery ammonium fluoride product, effectively to reduce ammonia nitrogen simple, easy to operate to pollution, the equipment of environment.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment:
Below in conjunction with embodiment and contrast accompanying drawing the utility model is further detailed.
A kind of washing device of tantalum niobium oxyhydroxide, formed by pressure filter 1, two-way conveyer belt 2, stock pan 3, making beating tank 4, high-pressure slurry transferpump 5 and stirrer 6, pressure filter 1 be positioned over two-way conveyer belt 2 above, below the left end of two-way conveyer belt 2, be placed with large stock pan 3, below the right-hand member of two-way conveyer belt 2, be placed with making beating tank 4, in making beating tank 4, be placed with stirrer 6, the feed end of high-pressure slurry transferpump 5 links to each other with discharge end on the making beating tank 4 bottom sidewalls, and the discharge end of high-pressure slurry transferpump 5 links to each other with the feed end of pressure filter 1.
Claims (1)
1. the washing device of a tantalum niobium oxyhydroxide, it is characterized in that: formed by pressure filter, two-way conveyer belt, large stock pan, making beating tank, high-pressure slurry transferpump and stirrer, pressure filter be positioned over two-way conveyer belt above, below the left end of two-way conveyer belt, be placed with large stock pan, below the right-hand member of two-way conveyer belt, be placed with the making beating tank, in the making beating tank, be placed with stirrer, the feed end of high-pressure slurry transferpump links to each other with discharge end on the making beating pot bottom sidewall, and the discharge end of high-pressure slurry transferpump links to each other with the feed end of pressure filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220405065 CN202705064U (en) | 2012-08-16 | 2012-08-16 | Washing device for tantalum and niobium hydroxides |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220405065 CN202705064U (en) | 2012-08-16 | 2012-08-16 | Washing device for tantalum and niobium hydroxides |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202705064U true CN202705064U (en) | 2013-01-30 |
Family
ID=47585387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220405065 Expired - Fee Related CN202705064U (en) | 2012-08-16 | 2012-08-16 | Washing device for tantalum and niobium hydroxides |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202705064U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102807253A (en) * | 2012-08-16 | 2012-12-05 | 江西景泰钽业有限公司 | Washing method and washing device for tantalum-niobium hydroxide |
-
2012
- 2012-08-16 CN CN 201220405065 patent/CN202705064U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102807253A (en) * | 2012-08-16 | 2012-12-05 | 江西景泰钽业有限公司 | Washing method and washing device for tantalum-niobium hydroxide |
| CN102807253B (en) * | 2012-08-16 | 2014-04-16 | 江西智诚新材料科技有限公司 | Washing method and washing device for tantalum-niobium hydroxide |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: JIANGXI ZHICHENG NEW MATERIAL TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: JIANGXI KING-TAN TANTALUM INDUSTRY CO., LTD. Effective date: 20131107 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 336300 YICHUN, JIANGXI PROVINCE TO: 331100 YICHUN, JIANGXI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20131107 Address after: 331100, Jiangxi, Fengcheng province Fengyuan Industrial Park, Feng Yuen Road, No. 18 headquarters economic base Patentee after: JIANGXI ZHICHENG NEW MATERIAL TECHNOLOGY CO., LTD. Address before: 336300, Jiangxi City, Yichun province Yifeng City Stone Town Industrial Park Patentee before: Jiangxi King-tan Tantalum Industry Co., Ltd. |
|
| ASS | Succession or assignment of patent right |
Owner name: JIANGXI KING-TAN TANTALUM INDUSTRY CO., LTD. Free format text: FORMER OWNER: JIANGXI ZHICHENG NEW MATERIAL TECHNOLOGY CO., LTD. Effective date: 20150810 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150810 Address after: 336300, Jiangxi City, Yichun province Yifeng City Stone Town Industrial Park Patentee after: Jiangxi King-tan Tantalum Industry Co., Ltd. Address before: 331100, Jiangxi, Fengcheng province Fengyuan Industrial Park, Feng Yuen Road, No. 18 headquarters economic base Patentee before: JIANGXI ZHICHENG NEW MATERIAL TECHNOLOGY CO., LTD. |
|
| 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: 20130130 Termination date: 20170816 |