CN206521280U - A kind of device for reclaiming hydrogen fluoride - Google Patents
A kind of device for reclaiming hydrogen fluoride Download PDFInfo
- Publication number
- CN206521280U CN206521280U CN201720746317.9U CN201720746317U CN206521280U CN 206521280 U CN206521280 U CN 206521280U CN 201720746317 U CN201720746317 U CN 201720746317U CN 206521280 U CN206521280 U CN 206521280U
- Authority
- CN
- China
- Prior art keywords
- hydrogen fluoride
- gasification reactor
- dedusting
- flow distributor
- heat
- 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
Links
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 229910000040 hydrogen fluoride Inorganic materials 0.000 title claims abstract description 31
- 238000002309 gasification Methods 0.000 claims abstract description 45
- 239000007787 solid Substances 0.000 claims abstract description 20
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 claims description 24
- 239000007789 gas Substances 0.000 claims description 15
- 239000000428 dust Substances 0.000 claims description 13
- 239000011775 sodium fluoride Substances 0.000 claims description 12
- 235000013024 sodium fluoride Nutrition 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 7
- 238000011084 recovery Methods 0.000 claims description 7
- 239000007921 spray Substances 0.000 claims description 7
- 239000011343 solid material Substances 0.000 claims description 5
- 238000009833 condensation Methods 0.000 claims description 4
- 230000005494 condensation Effects 0.000 claims description 4
- 239000000443 aerosol Substances 0.000 claims 2
- 239000006185 dispersion Substances 0.000 claims 2
- 238000006243 chemical reaction Methods 0.000 claims 1
- 238000000926 separation method Methods 0.000 claims 1
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000003682 fluorination reaction Methods 0.000 description 11
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 239000012452 mother liquor Substances 0.000 description 5
- 238000000746 purification Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000004821 distillation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 238000010306 acid treatment Methods 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 150000003385 sodium Chemical class 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
Landscapes
- Gas Separation By Absorption (AREA)
Abstract
Of the present utility model to disclose a kind of device for reclaiming hydrogen fluoride, it includes gasification reactor, heat-source Cycles device, dedusting and purifying device, system interior circulation flow distributor and condensing unit；The gasification reactor middle and lower part is connected with dedusting and purifying device, and the dedusting and purifying device is connected with system interior circulation flow distributor, the system interior circulation flow distributor connection heat-source Cycles device and condensing unit；Top in gasification reactor is provided with atomising device and hot air distribution device, the oriented gasification reactor delivered inside of atomising device connection is fluorinated the pipeline of raffinate, the hot air distribution device connects the pipeline of the oriented gasification reactor delivered inside hot-air, and the pipeline of the conveying hot-air is connected with heat-source Cycles device；Gasification reactor and the dedusting and purifying device bottom is equipped with solid matter outlet.The utility model can effectively reduce energy consumption.
Description
Technical field
The utility model is related to a kind of device for reclaiming hydrogen fluoride.
Background technology
Fluorination raffinate (mother liquor) is the waste liquid that industrial extensive fluorination reaction terminates to produce in rear or fluorination reaction process,
Wherein usually contain substantial amounts of hydrogen fluoride (60-80%), and quite water, sodium salt and a small amount of organic matter of content.Fluorination is residual
Liquid is directly discharged such as without processing can cause serious environmental pollution.
Current each similar manufacturer generally uses dense sulfuric acid treatment to fluorination mother liquor, and detailed process is to add fluorination mother liquor
Enter in distillation still, and the sulfuric acid of 98% concentrations above is added into fluorination mother liquor, made with steam heating distillation still in fluorination mother liquor
Most of hydrogen fluoride system, condensation are distilled out with gas form after obtain hydrogen fluoride, end of line aspiration of going forward side by side, but this method
Can cause containing substantial amounts of Waste Sulfuric Acid and other waste materials in leftover materials, the residual waste not only measure it is big but also not disposable, must
So cause serious environmental pollution.
To there is energy consumption big and be tower top outlet from gasification reactor for the processing of fluorination raffinate in the prior art, easily presss from both sides
Miscellaneous powder dirt, influences recovering effect.
The content of the invention
The purpose of this utility model is in view of the above-mentioned problems of the prior art, providing a kind of dress for reclaiming hydrogen fluoride
Put, improve the hydrogen fluoride rate of recovery and reclaim concentration, can effectively reduce energy consumption.
The technical solution of the utility model is：
A kind of device for reclaiming hydrogen fluoride, including in gasification reactor, heat-source Cycles device, dedusting and purifying device, system
Circulating current distributor and condensing unit；The gasification reactor middle and lower part is connected with dedusting and purifying device, and the dedusting is net
Makeup is put to be connected with system interior circulation flow distributor, and the system interior circulation flow distributor connects heat-source Cycles device
And condensing unit；Top in gasification reactor is provided with atomising device and hot air distribution device, and the atomising device connection is oriented
The gasification reactor delivered inside is fluorinated the pipeline of raffinate, and the hot air distribution device is connected in the oriented gasification reactor
Portion conveys the pipeline of hot-air, and the pipeline of the conveying hot-air is connected with heat-source Cycles device；The gasification reactor and remove
Dirt purifier bottom is equipped with solid matter outlet.
Described heat-source Cycles device can be it is any it is external the device of circulation thermal source can be provided, thermal source of the present invention is followed
It is defeated that loop device can flow through hot air distribution device by the hot gas for being used to circulate that system interior circulation flow distributor is flowed back
Enter gasification reactor, carry out heating up in tower in this way, cost can be reduced with power saving.
It is further preferred that described heat-source Cycles device can also be connected with heat power supply device 9, heat power supply device 9 can be
Conventional can provide the device of thermal source；Further specifically, such as heat-source Cycles device can be molten salt heater, it can be with
It is connected with the molten salt furnace of heat power supply device 9.
Dedusting and purifying device of the present invention and without concrete restriction, can be completely cleared by the dust (sodium fluoride) in air-flow
, from energy-conservation and the angle of effect, it is preferred that the dust arrester is the dust arrester and gas purification dress being sequentially connected
Put, i.e. gasification reactor middle and lower part is connected with dust arrester, dust arrester is connected with gas cleaning plant bottom, gas purification dress
Put top with system interior circulation flow distributor to be connected, more specifically, for example, can be the cyclone separator being sequentially connected
And sack cleaner.
It is further preferred that described system interior circulation flow distributor includes system internal circulation apparatus and distribution of air flow
Device；By the regulation to system internal circulation apparatus and flow distributor, airflow portion is set to be back to heat-source Cycles device, portion
Divide and enter condensing unit.Heat-source Cycles device is back to by fraction, heat energy loss can be reduced to reduce cost；Together
When, applicant has surprisingly been found that the hydrogen fluoride of recycling does not also have significant change.System interior circulation dress of the present invention
Putting can any can provide the device of circulating current, such as circulating fan；Described flow distributor can for it is any can
To realize the device of distribution of air flow, such as air-flow distributor.
The condensing unit can be multistage or/and multi-form condensation, can further reduce energy consumption, and improve recovery
Rate.
It is further preferred that the condensing unit is also associated with spray liquid concentration cycles device；Pass through spray liquid concentration cycles
Device carries out concentration cycles utilization to spray liquid, can improve the recovery concentration and the rate of recovery of hydrogen fluoride.
It is further preferred that the gasification reactor and dedusting and purifying device bottom can be taper, hemispherical or ellipsoid
Shape etc. is beneficial to the shape that solid is excluded, and solid matter outlet is located at the end of gasification reactor or dedusting and purifying device bottom, with
Smoothly discharge solid material.
It is further preferred that the outer wall of the gasification reactor is provided with multiple pneumatic hammers, to tap gasification reactor, make anti-
The solid material in device is answered more smoothly to discharge.
It is further preferred that it is also provided with collecting and transporting the conveyer of solid material at the solid matter outlet,
Such as auger conveyor.
It is further preferred that the device for reclaiming hydrogen fluoride can be separately provided sodium fluoride purifier, or
Solid matter outlet or conveyer connection sodium fluoride purifier, preferred fluorinated sodium high-temperature purification device, for purifying
Sodium fluoride solid.
The beneficial effects of the utility model：
1) the utility model goes out air-flow by the middle and lower part of gasification reactor, passes through system interior circulation flow distributor portion
Divide back gasification reactor to continue cycling through, partly into condensing unit, heat energy loss can be reduced to reduce cost；Meanwhile, Shen
Ask someone it has surprisingly been found that the hydrogen fluoride recycled does not also have significant change；
2), can be completely cleared by the dust (sodium fluoride) in gas by dedusting and purifying device；
3) heated up by being entered outside gasification reactor by heat-source Cycles device from tower top by hot-air distributor in tower,
Cost can further be reduced with power saving.
4) increased spray liquid inspissator can improve the recovery concentration and the rate of recovery of hydrogen fluoride.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Wherein：1 gasification reactor, 2 dust arresters, 3 gas cleaning plants, 4 system internal circulation apparatus, 5 distribution of air flow dress
Put, 6 spray liquid concentration cycles devices, 7 one-level condensing towers, 8 multi-stage condensing towers, 9 heat power supply devices, 10 heat-source Cycles devices, 11 solids
Material outlet, 12 auger conveyors, 13 hot air distribution devices, 14 atomising devices.
Embodiment
The utility model is further described with reference to the accompanying drawings and examples.
As shown in figure 1, a kind of device for reclaiming hydrogen fluoride, including gasification reactor 1, heat-source Cycles device 10, dedusting are net
Makeup is put, system interior circulation flow distributor 5 and condensing unit；The middle and lower part of gasification reactor 1 and dedusting and purifying device
Connection, the dedusting and purifying device is connected with system interior circulation flow distributor 5, the system interior circulation flow distributor
5 connection heat-source Cycles devices 10 and condensing unit；Top in gasification reactor 1 is provided with atomising device 14 and hot air distribution device
13, the atomising device 14 connects the pipeline that the oriented delivered inside of the gasification reactor 1 is fluorinated raffinate, the hot blast distribution dress
The pipeline of the oriented delivered inside hot-air of gasification reactor 1 of 13 connections is put, the pipeline of the conveying hot-air is followed with thermal source
Loop device 10 is connected；The gasification reactor 1 and dedusting and purifying device bottom are equipped with solid matter outlet 11.
Heat-source Cycles device 10 can be it is any it is external the device of circulation thermal source can be provided, can also and heat power supply device
9 are connected, and heat power supply device 9 can provide the device of thermal source for conventional；Such as heat-source Cycles device 10 can be that fused salt adds
Hot device, it can be connected with the molten salt furnace of heat power supply device 9.
The dedusting and purifying device and without concrete restriction, can be completely cleared by the dust (sodium fluoride) in air-flow,
Such as the dust arrester 2 and gas cleaning plant 3 to be sequentially connected, i.e. the middle and lower part of gasification reactor 1 is connected with dust arrester 2, removed
Dirt device 2 is connected with the bottom of gas cleaning plant 3, the top of gas cleaning plant 3 and the phase of system interior circulation flow distributor 5
Even.
The system interior circulation flow distributor 5 can include system internal circulation apparatus 4 and flow distributor 5；Institute
The system internal circulation apparatus 4 stated can any can provide the device of circulating current, such as circulating fan；Described distribution of air flow
Device 5 can realize the device of distribution of air flow, such as air-flow distributor to be any.
The condensing unit can be connected for multistage or/and multi-form condensation, such as one-level condensing tower 7 with multi-stage condensing tower 8.
The condensing unit can also be connected with spray liquid concentration cycles device 6.
The gasification reactor 1 and dedusting and purifying device bottom can be beneficial to solid for taper, hemispherical or elliposoidal etc.
The shape of exclusion, solid matter outlet 11 is located at the end of gasification reactor 1 or dedusting and purifying device bottom, solid with smooth discharge
Body material.Multiple pneumatic hammers can be provided with the outer wall of the gasification reactor 1.
The conveyer of solid material, such as auger conveyor are also provided with collecting and transported at the solid matter outlet 11
12。
The device for reclaiming hydrogen fluoride can be separately provided sodium fluoride purifier, or solid matter outlet 11
Or conveyer connection sodium fluoride purifier, such as sodium fluoride high-temperature purification device.
Running situation of the present utility model is as follows：It is fluorinated raffinate (mass component：70% hydrogen fluoride, 10% water, 20% fluorination
Sodium, minimal amount of organic matter) atomising device 14 is entered by pipeline, there is atomising device 14 to be atomized in gasification reactor 1, pass through heat
Wind distributor 13 is heated hot blast penetrating gasification reactor 1, the fluorination raffinate of atomization is heated immediately, wherein hydrogen fluoride
Gas, H20 gas, a small amount of organic gas and sodium fluoride solid.Gasifying section passes through dust arrester 2 and gas cleaning plant 3
Dedusting is carried out, is then condensed by system internal circulation apparatus 4 and the part of flow distributor 5 into condensing unit, part
Heat-source Cycles device 10 is back to, gasification reactor 1 is inputted through hot-air distributor, and powder then by gasification reactor 1 and is removed
Dirt device 2 and the solid matter outlet of gas purification bottom 11 are discharged.By detecting, in above-mentioned processing procedure, it can save
20%, hydrogen fluoride concentration is up to more than 95%.
Claims (10)
1. a kind of device for reclaiming hydrogen fluoride, it is characterised in that including gasification reactor, heat-source Cycles device, dust separation dress
Put, system interior circulation flow distributor and condensing unit；The gasification reactor middle and lower part is connected with dedusting and purifying device, institute
State dedusting and purifying device to be connected with system interior circulation flow distributor, the system interior circulation flow distributor connects thermal source
EGR and condensing unit；Top in gasification reactor is provided with atomising device and hot air distribution device, the atomising device
The pipeline that the oriented gasification reactor delivered inside is fluorinated raffinate is connected, the hot air distribution device connects the oriented gasification
Inside reactor conveys the pipeline of hot-air, and the pipeline of the conveying hot-air is connected with heat-source Cycles device；The gasified reverse
Device and dedusting and purifying device bottom is answered to be equipped with solid matter outlet.
2. a kind of device for reclaiming hydrogen fluoride according to claim 1, it is characterised in that the dress of described recovery hydrogen fluoride
Put and be additionally provided with sodium fluoride purifier, the sodium fluoride purifier is separately provided, or with solid matter outlet phase
Even.
3. a kind of device for reclaiming hydrogen fluoride according to claim 1, it is characterised in that described system interior circulation air-flow
Distributor includes system internal circulation apparatus and flow distributor.
4. a kind of device for reclaiming hydrogen fluoride according to claim 1, it is characterised in that the heat-source Cycles device is with adding
Thermal is connected.
5. it is according to claim 1 it is a kind of reclaim hydrogen fluoride device, it is characterised in that the dedusting and purifying device be according to
The dust arrester and gas cleaning plant of secondary connection.
6. a kind of device for reclaiming hydrogen fluoride according to claim 1, it is characterised in that the atomising device is change at a high speed
Frequency aerosol dispersion device or mechanical frequency conversion aerosol dispersion device.
7. a kind of device for reclaiming hydrogen fluoride according to claim 5, it is characterised in that the condensing unit is multistage
Or/and multi-form condensation.
8. a kind of device for reclaiming hydrogen fluoride according to claim 1, it is characterised in that the condensing tower is also associated with spray
Drench liquid concentration cycles device.
9. a kind of device for reclaiming hydrogen fluoride according to claim 1, it is characterised in that the gasification reactor and dedusting
Purifier bottom is taper, hemispherical or elliposoidal, and solid matter outlet is located at gasification reactor or dedusting and purifying device bottom
The end in portion；The outer wall of the gasification reactor is provided with multiple pneumatic hammers.
10. a kind of device for reclaiming hydrogen fluoride according to claim 1, it is characterised in that the solid matter outlet is set
There is the conveyer for collecting and transporting solid material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720746317.9U CN206521280U (en) | 2017-06-21 | 2017-06-21 | A kind of device for reclaiming hydrogen fluoride |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720746317.9U CN206521280U (en) | 2017-06-21 | 2017-06-21 | A kind of device for reclaiming hydrogen fluoride |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206521280U true CN206521280U (en) | 2017-09-26 |
Family
ID=59902992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720746317.9U Expired - Fee Related CN206521280U (en) | 2017-06-21 | 2017-06-21 | A kind of device for reclaiming hydrogen fluoride |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206521280U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108190838A (en) * | 2018-01-30 | 2018-06-22 | 常州安海化工工程技术有限公司 | A kind of hydrogen fluoride multiphase gasification separation recovery system |
| CN108910826A (en) * | 2018-10-17 | 2018-11-30 | 杨松 | It is a kind of to prepare hydrogen fluoride recirculating fluidized bed reacting furnace |
-
2017
- 2017-06-21 CN CN201720746317.9U patent/CN206521280U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108190838A (en) * | 2018-01-30 | 2018-06-22 | 常州安海化工工程技术有限公司 | A kind of hydrogen fluoride multiphase gasification separation recovery system |
| CN108190838B (en) * | 2018-01-30 | 2020-06-09 | 常州安海化工工程技术有限公司 | Hydrogen fluoride multiphase gasification separation recovery system |
| CN108910826A (en) * | 2018-10-17 | 2018-11-30 | 杨松 | It is a kind of to prepare hydrogen fluoride recirculating fluidized bed reacting furnace |
| CN108910826B (en) * | 2018-10-17 | 2019-12-24 | 杨松 | Circulating fluidized bed reaction furnace for preparing hydrogen fluoride |
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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 |
Granted publication date: 20170926 |