CN203346070U - Device for removing hydrogen fluoride in by-product hydrogen chloride in fluorine chemical engineering - Google Patents
Device for removing hydrogen fluoride in by-product hydrogen chloride in fluorine chemical engineering Download PDFInfo
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- CN203346070U CN203346070U CN 201220740275 CN201220740275U CN203346070U CN 203346070 U CN203346070 U CN 203346070U CN 201220740275 CN201220740275 CN 201220740275 CN 201220740275 U CN201220740275 U CN 201220740275U CN 203346070 U CN203346070 U CN 203346070U
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Abstract
The utility model discloses a device for removing hydrogen fluoride in by-product hydrogen chloride in fluorine chemical engineering. The device mainly comprises a gas cabinet (1), a reaction tank (2), a demister (3) and an adsorption tank (4), wherein an input end of the gas cabinet (1) is externally connected with a by-product hydrogen chloride gas storage tank; an output port of the gas cabinet (1) is connected with a gas inlet of the reaction tank (2); a gas outlet of the reaction tank (2) is connected with a gas inlet of the demister (3); a gas outlet of the demister (3) is connected with a gas inlet of the adsorption tank (4); and a liquid outlet located in one side of the lower part of the demister (3) is connected with a liquid return port of the reaction tank (2).
Description
Technical field
The utility model relates to a kind of hydrofluoric device in the fluorine chemical by-product hydrogen chloride that removes, and relates to specifically a kind of hydrofluoric device in a large amount of by-product hydrogen chlorides that produce that removes in the fluorochloroparaffins preparation process.
Background technology
Along with developing rapidly of industrial production and science and technology, organic fluorine range of product and output grow with each passing day, and particularly the fluoropolymer demand is increasing.The organic fluorine monomer of producing with methodology of organic synthesis, in the preparation process of its initial raw material fluorochloroparaffins, produce the by-product hydrogen chloride of a large amount of fluorinated hydrogen, wherein hydrogen fluoride content is about 150～500ppm, greatly limited the utility value of by-product hydrogen chloride, value of the product maximizes and also can not get embodying.How to remove the hydrogen fluoride in the fluorine chemical by-product hydrogen chloride, improve its utility value and widen that to utilize field be the task of top priority.In the prior art, also there is Introduction of Literatures to use chemical process or physical method to remove the hydrogen fluoride in by-product hydrogen chloride, but in by-product hydrogen chloride, hydrofluoric content is still more difficult lower than 5ppm after treatment, and there is operation inconvenience, processing power is low, process cost is high, is not suitable with the shortcomings such as industrialization.
Summary of the invention
The utility model provides a kind of hydrofluoric device in the fluorine chemical by-product hydrogen chloride that removes, and this device defluorinate efficiency is high, and technique is simple, easy to operate, and good practicality is arranged.
The utility model is realized by the following technical solutions: a kind ofly remove hydrofluoric device in the fluorine chemical by-product hydrogen chloride, it mainly comprises gas holder, retort, mist eliminator and adsorption tanks, the external by-product hydrogen chloride gas-holder of the input terminus of gas holder, the delivery port of gas holder connects the air intake of retort, the air outlet of retort connects the air intake of mist eliminator, the air outlet of mist eliminator connects the adsorption tanks air intake, and the liquid outlet that is positioned at mist eliminator bottom one side connects the liquid return hole of retort.
Described retort is provided with the retort body, filler, reaction solution, fluid inlet, catheter, the air intake I, airway, sparger, the air outlet I, liquid return hole, the manhole I, discharging hole I and gauge port I, filler is located at the retort body interior, reaction solution is located at the retort body interior, fluid inlet is located at retort bodies top one side, catheter is located at the retort body interior and is joined with fluid inlet, the air intake I is located in the middle of the retort bodies top, airway is located at the retort body interior and is joined with the air intake I, sparger is located at the interior bottom of retort body and is joined with airway, the air outlet I is located at retort bodies top one side, liquid return hole is located at retort body top one side, the manhole I is located at retort bodies top one side, the discharging hole I is located in the middle of retort body bottom, the gauge port I is located at retort body top one side.
Described mist eliminator is provided with cylindrical shell, support, demister element, sealed tube, the air intake II, the air outlet II, liquid outlet, the manhole II, discharging hole II and gauge port II, prop up the top be set up in cylindrical shell, demister element is located on support, sealed tube is located at inner barrel and is joined with demister element, the air intake II is located at cylindrical shell bottom one side, the air outlet II is located at top one side of cylindrical shell, liquid outlet is located at cylindrical shell bottom one side, the manhole II is located at cylindrical shell bottom one side, the discharging hole II is located in the middle of cylinder body bottom, the gauge port II is located at cylindrical shell top one side.
Described adsorption tanks are provided with the body II, card, Stainless Steel Cloth, adsorbent layer, the air intake III, the air outlet III, the manhole III, the manhole IV, discharging hole III and gauge port III, card is located at bottom in the body II, Stainless Steel Cloth is between two cards, adsorbent layer is located on card, the air intake III is located at body II crown center, the air outlet III is located at body II bottom one side, Yi Cehe bottom, body II top one side is respectively equipped with manhole III and manhole IV, the discharging hole III is located in the middle of body II bottom, the gauge port III is located at body II top one side.Described filler is the stainless steel Pall ring.Described reaction solution is chlorsulfonic acid.Described sorbent material is γ-type aluminum oxide.
The utlity model has following beneficial effect: the by-product hydrogen chloride gas of the hydrofluoric acid containing after collecting enters retort inside by air intake and airway, and after sparger and Pall ring are uniformly distributed, hydrofluoric acid is reacted with liquid chlorine sulfonic acid, reaction generates hydrogenchloride and fluosulfonic acid, and in the rear by-product hydrogen chloride of reaction, hydrogen fluoride content is about 80ppm; By-product hydrogen chloride through reacting enters in mist eliminator and removes the acid mist of carrying secretly in gas; The dry by-product hydrogen chloride removed after acid mist enters in adsorption tanks again, by the sorbent material aluminum oxide, remaining hydrogen fluoride is wherein carried out to adsorption treatment, after treatment in by-product hydrogen chloride hydrofluoric content lower than 5ppm, can be used for the raw material as preparation VCM or methyl chloride, also used water absorbs the high-quality hydrochloric acid of preparation.The processing of the device formed through such scheme, in by-product hydrogen chloride, hydrogen fluoride content, lower than 5ppm, has not only improved its quality, utility value and has widened it and utilized field, and realizes the doulbe-sides' victory of economic benefit and environment protection.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
The structural representation that Fig. 2 is retort in the utility model.
The structural representation that Fig. 3 is mist eliminator in the utility model.
The structural representation that Fig. 4 is adsorption tanks in the utility model.
The structural representation that Fig. 5 is sparger in Fig. 2.
Embodiment
Referring to Fig. 1～4, the utility model is provided with gas holder 1, retort 2, mist eliminator 3, adsorption tanks 4 and pipeline thereof.The external by-product hydrogen chloride of the input terminus of gas holder 1, gas holder 1 outlet connects the air intake of retort 2, the air outlet of retort 2 connects the air intake of mist eliminator 3, the air outlet of mist eliminator 3 connects the air intake of adsorption tanks 4, and the liquid outlet of being located at mist eliminator 3 bottom one sides connects the liquid return hole of retort 2.
The by-product hydrogen chloride gas of the hydrofluoric acid containing after collecting passes into the inside of retort 2, and hydrofluoric acid is reacted with liquid chlorine sulfonic acid, and reaction generates hydrogenchloride and fluosulfonic acid, and in the rear by-product hydrogen chloride of reaction, hydrogen fluoride content is about 80ppm; By-product hydrogen chloride through reacting enters in mist eliminator 3 and removes the acid mist of carrying secretly in gas; The dry by-product hydrogen chloride that removes acid mist enters in adsorption tanks 4 again, by the sorbent material aluminum oxide, remaining hydrogen fluoride is wherein carried out to adsorption treatment, after treatment in by-product hydrogen chloride hydrofluoric content lower than 5ppm, can be used for the raw material as preparation VCM or methyl chloride, also used water absorbs the high-quality hydrochloric acid of preparation.
Referring to Fig. 2, retort is provided with retort body 201, filler 202, reaction solution 203, fluid inlet 204, catheter 205, air intake I 206, airway 207, sparger 208, air outlet I 209, liquid return hole 210, manhole I 211, discharging hole I 212 and gauge port I 213.Filler 202 is located at retort body 201 inside, reaction solution 203 is located at retort body 201 inside, fluid inlet 204 is located at retort body 201 top one sides, catheter 205 is located at retort body 201 inside and is joined with fluid inlet 204, air intake I 206 is located at retort body 201 crown centers, airway 207 is located at retort body 201 inside and is joined with air intake I 206, sparger 208 is located at the interior bottom of retort body 201 and is joined with airway 207, air outlet I 209 is located at retort body 201 top one sides, liquid return hole 210 is located at retort body 201 top one sides, manhole I 211 is located at retort body 201 top one sides, discharging hole I 212 is located in the middle of retort body 201 bottoms, gauge port I 213 is located at retort body 201 top one sides.The by-product hydrogen chloride gas of fluorinated hydrogen enters retort body 201 inside by air intake I 206 and airway 207, hydrogen fluoride in gas, by sparger 208 and filler 202 and the abundant contact reacts of reaction solution 203, produces chlorsulfonic acid and hydrogenchloride.The hydrogen chloride gas of carrying acid mist secretly enters mist eliminator 3 by air outlet I 209.Filler 202 adopts the stainless steel Pall ring of erosion resistance, and reaction solution 203 is fluosulfonic acid.
Referring to Fig. 3, mist eliminator is provided with cylindrical shell 301, support 302, demister element 303, sealed tube 304, air intake II 305, air outlet II 306, liquid outlet 307, manhole II 308, discharging hole II 309 and gauge port II 310.Support 302 is located at cylindrical shell 301 internal upper parts, demister element 303 is located on cylindrical shell 301 internal stent 302, sealed tube 304 is located at cylindrical shell 301 inside and is joined with demister element 303, air intake II 305 is located at cylindrical shell 301 bottom one sides, air outlet II 306 is located at cylindrical shell 301 top one sides, liquid outlet 307 is located at cylindrical shell 301 bottom one sides, manhole II 308 is located at cylindrical shell 301 bottom one sides, discharging hole II 309 is located in the middle of cylindrical shell 301 bottoms, and gauge port II 310 is located at cylindrical shell 301 top one sides.The hydrogen chloride gas of carrying acid mist secretly enters in mist eliminator cylindrical shell 301 by air intake II 305, by demister element 303 time, acid mist is condensed into liquid, and gathers cylindrical shell 301 bottoms by sealed tube 304, and acid solution is got back in retort 2 through liquid outlet 307 again.The dry hydrogen chloride gas that sees through demister element 303 enters in adsorption tanks 4 by air outlet II 306.
Referring to Fig. 4, adsorption tanks are provided with body II 401, card 402, Stainless Steel Cloth 403, adsorbent layer 404, air intake III 405, air outlet III 406, manhole III 407, manhole IV 408, discharging hole III 409 and gauge port III 410.Card 402 is located at the interior bottom of body II 401, Stainless Steel Cloth 403 is located between two cards 402, adsorbent layer 404 is located on card 402, air intake III 405 is located at body II 401 crown centers, air outlet III 406 is located at body II 401 bottom one sides, manhole III 407 is located at body II 401 top one sides, manhole 408 is located at body 401 bottom one sides, discharging hole 409 is located in the middle of body II 401 bottoms, and gauge port III 410 is located at body 401 top one sides.The after chemical reaction dehydrofluorination, at the dry hydrogen chloride gas after the mist eliminator acid-mist-removing, by air intake III 405, entered in body II 401, and top-down by the adsorbent layer 404 on card 402, the hydrogen fluoride continued in the Adsorption by-product hydrogen chloride by adsorbent layer 404, the hydrogen chloride gas that gained is qualified goes next step application system through air outlet III 406.What sorbent material 404 adopted is γ-type aluminum oxide.
Claims (7)
1. one kind removes hydrofluoric device in the fluorine chemical by-product hydrogen chloride, it is characterized in that it mainly comprises gas holder (1), retort (2), mist eliminator (3) and adsorption tanks (4), the external by-product hydrogen chloride gas-holder of the input terminus of gas holder (1), the delivery port of gas holder (1) connects the air intake of retort (2), the air outlet of retort (2) connects the air intake of mist eliminator (3), the air outlet of mist eliminator (3) connects adsorption tanks (4) air intake, the liquid outlet that is positioned at mist eliminator (3) bottom one side connects the liquid return hole of retort (2).
2. remove hydrofluoric device in the fluorine chemical by-product hydrogen chloride according to claim 1 is described, it is characterized in that described retort is provided with retort body (201), filler (202), reaction solution (203), fluid inlet (204), catheter (205), air intake I (206), airway (207), sparger (208), air outlet I (209), liquid return hole (210), manhole I (211), discharging hole I (212) and gauge port I (213), filler (202) is located at retort body (201) inside, reaction solution (203) is located at retort body (201) inside, fluid inlet (204) is located at retort body (201) top one side, catheter (205) is located at retort body (201) inside and is joined with fluid inlet (204), air intake I (206) is located at retort body (201) crown center, airway (207) is located at retort body (201) inside and is joined with air intake I (206), sparger (208) is located at the interior bottom of retort body (201) and is joined with airway (207), air outlet I (209) is located at retort body (201) top one side, liquid return hole (210) is located at retort body (201) top one side, manhole I (211) is located at retort body (201) top one side, discharging hole I (212) is located in the middle of retort body (201) bottom, gauge port I (213) is located at retort body (201) top one side.
3. remove hydrofluoric device in the fluorine chemical by-product hydrogen chloride according to claim 1 is described, it is characterized in that described mist eliminator is provided with cylindrical shell (301), support (302), demister element (303), sealed tube (304), air intake II (305), air outlet II (306), liquid outlet (307), manhole II (308), discharging hole II (309) and gauge port II (310), support (302) is located at the top in cylindrical shell (301), demister element (303) is located on support (302), sealed tube (304) is located at cylindrical shell (301) inside and is joined with demister element (303), air intake II (305) is located at cylindrical shell (301) bottom one side, air outlet II (306) is located at top one side of cylindrical shell (301), liquid outlet (307) is located at cylindrical shell (301) bottom one side, manhole II (308) is located at cylindrical shell (301) bottom one side, discharging hole II (309) is located in the middle of cylindrical shell (301) bottom, gauge port II (310) is located at cylindrical shell (301) top one side.
4. remove hydrofluoric device in the fluorine chemical by-product hydrogen chloride according to claim 1 is described, it is characterized in that described adsorption tanks are provided with body II (401), card (402), Stainless Steel Cloth (403), adsorbent layer (404), air intake III (405), air outlet III (406), manhole III (407), manhole IV (408), discharging hole III (409) and gauge port III (410), card (402) is located at the interior bottom of body II (401), Stainless Steel Cloth (403) is positioned between two cards (402), adsorbent layer (404) is located on card (402), air intake III (405) is located at body II (401) crown center, air outlet III (406) is located at body II (401) bottom one side, Yi Cehe bottom, body II (401) top one side is respectively equipped with manhole III (407) and manhole IV (408), discharging hole III (409) is located in the middle of body II (401) bottom, gauge port III (410) is located at body II (401) top one side.
5. according to claim 2ly remove hydrofluoric device in the fluorine chemical by-product hydrogen chloride, it is characterized in that described filler (202) is the stainless steel Pall ring.
6. a kind of hydrofluoric device in the fluorine chemical by-product hydrogen chloride that removes according to claim 2, is characterized in that described reaction solution (203) is chlorsulfonic acid.
7. according to the described a kind of hydrofluoric device in the fluorine chemical by-product hydrogen chloride that removes of claim 4, it is characterized in that described sorbent material is γ-type aluminum oxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220740275 CN203346070U (en) | 2012-12-31 | 2012-12-31 | Device for removing hydrogen fluoride in by-product hydrogen chloride in fluorine chemical engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220740275 CN203346070U (en) | 2012-12-31 | 2012-12-31 | Device for removing hydrogen fluoride in by-product hydrogen chloride in fluorine chemical engineering |
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| CN203346070U true CN203346070U (en) | 2013-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220740275 Expired - Lifetime CN203346070U (en) | 2012-12-31 | 2012-12-31 | Device for removing hydrogen fluoride in by-product hydrogen chloride in fluorine chemical engineering |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105797540A (en) * | 2014-12-27 | 2016-07-27 | 江苏振方生物化学有限公司 | Method for absorbing exhaust from chlorobenzotrifluoride synthesis |
| CN106076101A (en) * | 2016-08-15 | 2016-11-09 | 浙江康峰化工有限公司 | A kind of tail gas defluorinate absorption plant and its implementation |
| CN108793078A (en) * | 2018-06-15 | 2018-11-13 | 福建省东南电化股份有限公司 | A kind of isocyanates by-product hydrogen chloride purification devices |
| CN110683519A (en) * | 2019-11-08 | 2020-01-14 | 湖北迈可凯科技有限公司 | Method and device for treating lithium hexafluorophosphate synthesis tail gas |
| CN111847382A (en) * | 2020-08-03 | 2020-10-30 | 江苏三美化工有限公司 | Reaction system for removing hydrogen fluoride in hydrogen chloride |
| CN114042432A (en) * | 2021-11-05 | 2022-02-15 | 临海市利民化工有限公司 | Rectifying tower filler for dry separation of hydrogen chloride and preparation method thereof |
-
2012
- 2012-12-31 CN CN 201220740275 patent/CN203346070U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105797540A (en) * | 2014-12-27 | 2016-07-27 | 江苏振方生物化学有限公司 | Method for absorbing exhaust from chlorobenzotrifluoride synthesis |
| CN106076101A (en) * | 2016-08-15 | 2016-11-09 | 浙江康峰化工有限公司 | A kind of tail gas defluorinate absorption plant and its implementation |
| CN106076101B (en) * | 2016-08-15 | 2019-06-18 | 浙江康峰化工有限公司 | A kind of tail gas defluorinate absorption plant and its implementation |
| CN108793078A (en) * | 2018-06-15 | 2018-11-13 | 福建省东南电化股份有限公司 | A kind of isocyanates by-product hydrogen chloride purification devices |
| CN110683519A (en) * | 2019-11-08 | 2020-01-14 | 湖北迈可凯科技有限公司 | Method and device for treating lithium hexafluorophosphate synthesis tail gas |
| CN111847382A (en) * | 2020-08-03 | 2020-10-30 | 江苏三美化工有限公司 | Reaction system for removing hydrogen fluoride in hydrogen chloride |
| CN114042432A (en) * | 2021-11-05 | 2022-02-15 | 临海市利民化工有限公司 | Rectifying tower filler for dry separation of hydrogen chloride and preparation method thereof |
| CN114042432B (en) * | 2021-11-05 | 2023-04-11 | 临海市利民化工有限公司 | Rectifying tower filler for dry separation of hydrogen chloride and preparation method thereof |
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Granted publication date: 20131218 |
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| CX01 | Expiry of patent term |