CN205323489U - Tail gas absorption clarification plant that lepidolite produced is handled to chloridising roasting method - Google Patents
Tail gas absorption clarification plant that lepidolite produced is handled to chloridising roasting method Download PDFInfo
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- CN205323489U CN205323489U CN201521097204.8U CN201521097204U CN205323489U CN 205323489 U CN205323489 U CN 205323489U CN 201521097204 U CN201521097204 U CN 201521097204U CN 205323489 U CN205323489 U CN 205323489U
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Abstract
The utility model discloses a tail gas absorption clarification plant that lepidolite produced is handled to chloridising roasting method, including three spray column: one -level spray column, second grade spray column, tertiary spray column, every spray column all is equipped with glass head tower wall, and every spray column corresponds the setting and sprays a dose storage tank, and every spray column intussuseption is filled with porous material, and every is provided with the shower nozzle at the bottom of spraying the tata, and every spray column top of the tower is provided with the defroster, the lower extreme of one -level spray column sets up the air inlet, and gas outlet flange interface and gas outlet intercommunication are passed through to the top of tertiary spray column, the second grade spray column passes through the top of the tower intercommunication of pipeline and one -level spray column, and tertiary spray column passes through the top of the tower intercommunication of pipeline and second grade spray column, tail gas loops through three spray column to in the spray column with a dose contact reaction sprays, detach atmospheric dilution behind the waste gas such as chlorine, sulfur trioxide, the spent acid of gained can be used to the reaction of leaching of lepidolite grog after spraying the absorption, and chloride waste gas utilization has been realized to make full use of chlorine.
Description
Technical field
This utility model belongs to waste gas purification processing technology field, relates to a kind of chlorinating roasting and processes the tail gas absorption cleaning equipment that lepidolite produces。
Background technology
Lithium Ore and lithium salts product thereof by traditional application glass ceramics, electrolytic aluminium etc. expand to lithium ion battery, aluminium lithium alloy, medicine, etc. high-technology field, the especially emergence of new-energy automobile, promote lithium battery to be widely used。The rich reserves of China's lepidolite and spodumene。The method carrying lithium from lithium minerals mainly has sulfate process, chlorinating roasting, limestone-based process, sulfuric acid process and defluorinate-autoclaving method etc., these methods are all that lithium ore deposit dispensing thing is carried out roasting, then processing calcining slag with diverse ways and produce lithium salts further, production technology also exists production cost height, the big waste residue amount of energy consumption is big and exhaust emissions amount big and the shortcoming such as contaminated environment。
In lepidolite chlorizing calcination process process, owing to villaumite and lepidolite react, and adopt burning coal heat supply, the flue gas of output contains chlorine and the hydrogen chloride gas of steam, sulfur trioxide, sulfur dioxide and instantaneous high concentration, if it not being carried out absorption cleaning process, directly outer row can seriously exceed waste gas emission standard, and causes environmental pollution, is detrimental to health。
At present, chemical industry is administered chlorine and is generally adopted Caustic soda or lime cream as absorbing medium at home, at the bottom of this technique absorption efficiency, the shortcoming such as goods and materials input amount is big, effect is not notable。Meanwhile, also can produce the waste water containing chloride ion, increase wastewater treatment difficulty。
Utility model content
The purpose of this utility model is to provide a kind of chlorinating roasting and processes the tail gas absorption cleaning equipment that lepidolite produces, solve and prior art processes the chloride flue gas produced in lepidolite chlorizing calcination process process need to consume a large amount of absorbing medium, and the problem that the spent acid intractability that produces is big。
This utility model be employed technical scheme comprise that, a kind of chlorinating roasting processes the tail gas absorption cleaning equipment that lepidolite produces, including three spray columns: one-level spray column, two grades of spray columns, three grades of spray columns；Each spray column is equipped with glass steel tower wall, and each spray column is correspondingly arranged spray agent storage tank, is filled with porous material, is provided with shower nozzle at the bottom of each spray column tower in each spray column, and each spray column tower top is provided with demister；The lower end of one-level spray column arranges air inlet, and the top of three grades of spray columns is connected with gas outlet by gas outlet flange-interface；Two grades of spray columns are connected with pipeline one end by bridge piece, and the pipeline other end connects with the tower top of one-level spray column, and three grades of spray columns are connected with pipeline one end by bridge piece, the tower top connection of the pipeline other end and two grades of spray columns；Being respectively provided with storage and the conveyer device of spent acid in each spray column, conveyer device is connected with the Leaching reaction device of lepidolite grog。
Further, being respectively provided with intermediate storage tank in two grades of spray columns, three grades of spray columns, intermediate storage tank is built with spray agent；Intermediate storage tank in two grades of spray columns is connected with one-level spray column by pipeline, and spray agent is delivered to the tower top of one-level spray column by self priming pump；Intermediate storage tank in three grades of spray columns is connected by pipeline and two grades of spray columns, and spray agent is delivered to the tower top of two grades of spray columns by self priming pump。
Further, one-level spray column, two grades of spray columns, three grades of spray column tower body height are 12-17m。
Further, one-level spray column, sieve plate is set in two grades of spray columns, three grades of spray column towers。
Further, the number of plies of sieve plate is 5-8 layer。
Further, sieve plate is provided with the sieve aperture that diameter is 8-12mm。
The beneficial effects of the utility model are, a kind of chlorinating roasting processes the tail gas absorption cleaning equipment that lepidolite produces, the tail gas that lepidolite chloridising roasting process produces passes sequentially through three spray columns, and in spray column with spray agent haptoreaction, remove after the waste gas such as chlorine, sulfur trioxide and enter air；And the spent acid of gained can be used for the Leaching reaction of lepidolite grog after spray-absorption, make full use of chlorine, it is achieved that chlorine contained exhaust gas recycling。
Accompanying drawing explanation
Fig. 1 is this utility model structural representation。
In figure, 1. air inlet, 2. gas outlet, 3. one-level spray column, 4. two grades of spray columns, 5. three grades of spray columns, 6. bridge piece, 7. glass steel tower wall, 8. gas outlet flange-interface, 9. demister。
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, this utility model is described in detail。
A kind of chlorinating roasting processes the tail gas absorption cleaning equipment that lepidolite produces, including three spray columns: one-level spray column 4, three grades of spray columns 5 of 3, two grades of spray columns；Each spray column is provided with glass steel tower wall 7, and each spray column is correspondingly arranged spray agent storage tank, filling porous material in each spray column, is provided with shower nozzle at the bottom of each spray column tower, and each spray column tower top is provided with demister 9；The lower end of one-level spray column 3 arranges air inlet 1, is respectively provided with intermediate storage tank in 4, three grades of spray columns 5 of two grades of spray columns, and intermediate storage tank is built with spray agent；Intermediate storage tank in two grades of spray columns 4 is connected with one-level spray column 3 by pipeline, and spray agent is delivered to the tower top of one-level spray column 3 by self priming pump；Intermediate storage tank in three grades of spray columns 5 is connected by pipeline and two grades of spray columns 4, and spray agent is delivered to the tower top of two grades of spray columns 4 by self priming pump；The top of three grades of spray columns 5 is connected with gas outlet 2 by gas outlet flange-interface 8。
The tower body height of spray column is 12-17m, arranges sieve plate in tower, and the number of plies of sieve plate is the sieve diameter on 5-8 layer, sieve plate is 8-12mm。
Spray column tower body material therefor is fiberglass。
Two grades of spray columns 4 are connected with pipeline one end by bridge piece 6, and the pipeline other end connects with the tower top of one-level spray column 3, and three grades of spray columns 5 are connected with pipeline one end by bridge piece 6, the tower top connection of the pipeline other end and two grades of spray columns 4；Tail gas passes sequentially through three spray columns, and contacts dispersion in spray column with porous material, and tail gas contacts with spray agent and reacts, and removes in tail gas and enters air after the gas such as chlorine, sulfur trioxide；Spray agent relies on gravity to enter under spray and the spray agent storage tank in this spray column, countercurrent spray from spray column after absorbing tail gas, thus the harmful gas realized in the spray maximized absorption flue gas of agent。
After spray-absorption, the spent acid of gained is by storing and conveyer device, can be used for the Leaching reaction of lepidolite grog, makes full use of chlorine, it is achieved that chlorine contained exhaust gas recycling。
Claims (6)
1. a chlorinating roasting processes the tail gas absorption cleaning equipment that lepidolite produces, it is characterised in that include three spray columns: one-level spray column (3), two grades of spray columns (4), three grades of spray columns (5)；Each spray column is equipped with glass steel tower wall (7), and each spray column is correspondingly arranged spray agent storage tank, is filled with porous material, is provided with shower nozzle at the bottom of each spray column tower in each spray column, and each spray column tower top is provided with demister (9)；The lower end of one-level spray column (3) arranges air inlet (1), and the top of three grades of spray columns (5) is connected with gas outlet (2) by gas outlet flange-interface (8)；Two grades of spray columns (4) are connected with pipeline one end by bridge piece (6), the pipeline other end connects with the tower top of one-level spray column (3), three grades of spray columns (5) are connected with pipeline one end by bridge piece (6), the tower top connection of the pipeline other end and two grades of spray columns (4)；It is respectively provided with storage and the conveyer device of spent acid in each spray column, stores and conveyer device is connected with the Leaching reaction device of lepidolite grog。
2. a kind of chlorinating roasting according to claim 1 processes the tail gas absorption cleaning equipment that lepidolite produces, it is characterized in that, being respectively provided with intermediate storage tank in described two grades of spray columns (4), three grades of spray columns (5), intermediate storage tank is built with spray agent；Intermediate storage tank in two grades of spray columns (4) is connected with one-level spray column (3) by pipeline, and spray agent is delivered to the tower top of one-level spray column (3) by self priming pump；Intermediate storage tank in three grades of spray columns (5) is connected by pipeline and two grades of spray columns (4), and spray agent is delivered to the tower top of two grades of spray columns (4) by self priming pump。
3. a kind of chlorinating roasting according to claim 1 processes the tail gas absorption cleaning equipment that lepidolite produces, it is characterized in that, described one-level spray column (3), two grades of spray columns (4), three grades of spray columns (5) tower body height be 12-17m。
4. a kind of chlorinating roasting according to claim 1 processes the tail gas absorption cleaning equipment that lepidolite produces, it is characterized in that, in described one-level spray column (3), two grades of spray columns (4), three grades of spray column (5) towers, sieve plate is set。
5. a kind of chlorinating roasting according to claim 4 processes the tail gas absorption cleaning equipment that lepidolite produces, it is characterised in that the number of plies of described sieve plate is 5-8 layer。
6. a kind of chlorinating roasting according to claim 4 processes the tail gas absorption cleaning equipment that lepidolite produces, it is characterised in that described sieve plate is provided with the sieve aperture that diameter is 8-12mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521097204.8U CN205323489U (en) | 2015-12-22 | 2015-12-22 | Tail gas absorption clarification plant that lepidolite produced is handled to chloridising roasting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521097204.8U CN205323489U (en) | 2015-12-22 | 2015-12-22 | Tail gas absorption clarification plant that lepidolite produced is handled to chloridising roasting method |
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| Publication Number | Publication Date |
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| CN205323489U true CN205323489U (en) | 2016-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201521097204.8U Active CN205323489U (en) | 2015-12-22 | 2015-12-22 | Tail gas absorption clarification plant that lepidolite produced is handled to chloridising roasting method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108164074A (en) * | 2018-01-30 | 2018-06-15 | 四川思达能环保科技有限公司 | A kind of metal chloride waste water treatment system and method |
-
2015
- 2015-12-22 CN CN201521097204.8U patent/CN205323489U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108164074A (en) * | 2018-01-30 | 2018-06-15 | 四川思达能环保科技有限公司 | A kind of metal chloride waste water treatment system and method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 336399 Yifeng County Industrial Park, Yichun City, Jiangxi Province (Huaqiao Industrial Zone) Patentee after: Jiangxi Yongcheng Lithium Technology Co., Ltd. Address before: 336306 Huaqiao Township, Yifeng County, Yichun City, Jiangxi Province Patentee before: Jiangxi Xu Li mining industry Co., Ltd |