CN207169395U - A kind of hydrogen chloride circulation recycling system in industrial organic exhaust gas - Google Patents
A kind of hydrogen chloride circulation recycling system in industrial organic exhaust gas Download PDFInfo
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- CN207169395U CN207169395U CN201720856142.7U CN201720856142U CN207169395U CN 207169395 U CN207169395 U CN 207169395U CN 201720856142 U CN201720856142 U CN 201720856142U CN 207169395 U CN207169395 U CN 207169395U
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- pipeline
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- enrichment device
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- 230000004087 circulation Effects 0.000 title claims abstract description 56
- 239000007789 gas Substances 0.000 title claims abstract description 56
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 238000004064 recycling Methods 0.000 title claims abstract description 20
- 229910000041 hydrogen chloride Inorganic materials 0.000 title claims abstract description 19
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 title claims abstract description 19
- 238000010521 absorption reaction Methods 0.000 claims abstract description 30
- 230000003472 neutralizing effect Effects 0.000 claims abstract description 20
- 238000001816 cooling Methods 0.000 claims abstract description 17
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims abstract description 10
- 235000011941 Tilia x europaea Nutrition 0.000 claims abstract description 10
- 239000004571 lime Substances 0.000 claims abstract description 10
- 239000007792 gaseous phase Substances 0.000 claims abstract description 8
- 239000012530 fluid Substances 0.000 claims abstract description 4
- 239000002253 acid Substances 0.000 claims description 21
- 238000003795 desorption Methods 0.000 claims description 16
- 238000006386 neutralization reaction Methods 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 6
- 239000010865 sewage Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 claims description 4
- 238000005660 chlorination reaction Methods 0.000 claims description 4
- 239000002826 coolant Substances 0.000 claims description 4
- 239000011152 fibreglass Substances 0.000 claims description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 239000002033 PVDF binder Substances 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000011552 falling film Substances 0.000 claims description 2
- 239000000945 filler Substances 0.000 claims description 2
- 239000003595 mist Substances 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 7
- 125000004122 cyclic group Chemical group 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 15
- 239000003960 organic solvent Substances 0.000 description 7
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 6
- 230000008901 benefit Effects 0.000 description 6
- HRQGCQVOJVTVLU-UHFFFAOYSA-N bis(chloromethyl) ether Chemical compound ClCOCCl HRQGCQVOJVTVLU-UHFFFAOYSA-N 0.000 description 4
- NEHMKBQYUWJMIP-UHFFFAOYSA-N chloromethane Chemical compound ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000002912 waste gas Substances 0.000 description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 239000002440 industrial waste Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000011780 sodium chloride Substances 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 101700004678 SLIT3 Proteins 0.000 description 2
- 102100027339 Slit homolog 3 protein Human genes 0.000 description 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 241000370738 Chlorion Species 0.000 description 1
- 241001421775 Thereus Species 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000007265 chloromethylation reaction Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 235000019628 coolness Nutrition 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model discloses the hydrogen chloride circulation recycling system in a kind of industrial organic exhaust gas, including deep freezer, enrichment device, absorption tower and the neutralizing tower being sequentially connected, connected between deep freezer and the enrichment device by pipeline and demister is set, the side-entrance of the demister is connected by the gaseous phase outlet of pipeline and deep freezer, the top offgas outlet of demister is connected by pipeline with the top side-entrance of enrichment device, and demister bottom leakage fluid dram picks out the system by pipeline；The deep freezer is connected by pipeline sets lime set receiving slit, and lime set receives trench bottom and picks out the system by pipeline；The beneficial effects of the utility model are that the system sets circulation loop using enrichment device, can realize the effect of enrichment step by step, absorption tower uses outer circulation cooling circuit, realizes the effect of cyclic absorption, improve the assimilation effect of tail gas.
Description
Technical field
The utility model belongs to industrial waste gas technical field of comprehensive utilization, and in particular to the chlorine in a kind of industrial organic exhaust gas
Change hydrogen circulation recycling system.
Background technology
The reaction such as chlorination reaction and chloromethylation is conventional reaction in organic synthesis, has chlorine or HCL for original
To expect, all kinds of organic exhaust gas that have containing HCL can be produced in production process, and practices well is emission treatment after being neutralized using washing, alkali,
Substantial amounts of brine waste is produced, brings intractability to Waste Water Treatment, multi-effect distillation of the Some Enterprises again by complexity is dense
Contracting recrystallization processing sodium chloride, but due to complicated component, dangerous fixed-end forces can only be used as again, installation cost and operating cost are higher,
The new HCL constituents extractions in waste gas come out, and are further used as the mode of raw materials technology recycling, are advantageous to enterprise's chlorine
The balanced use of ion, sewage quantity and salt concentration are reduced, save production cost, environmental benefit and energy-saving benefit are notable, have
Reduced investment, low power consumption and other advantages, there will be splendid market application foreground.
Utility model content
In order to solve technical problem present in prior art, the utility model, which provides a kind of economic and environment-friendly industry, to be had
Hydrogen chloride circulation recycling system in machine waste gas.
The technical solution of the utility model is as follows：
Hydrogen chloride circulation recycling system in a kind of industrial organic exhaust gas, it is characterised in that including the depth being sequentially connected
Cooler, enrichment device, absorption tower and neutralizing tower, connected by pipeline between deep freezer and the enrichment device and demister is set, it is described
The side-entrance of demister is connected by the gaseous phase outlet of pipeline and deep freezer, and the top offgas outlet of demister passes through pipeline and increasing
The top side-entrance connection of dense device, demister bottom leakage fluid dram pick out the system by pipeline；The deep freezer is connected by pipeline
Connect and lime set receiving slit is set, lime set receives trench bottom and picks out the system by pipeline；Enrichment device bottom is connected by pipeline and set
Concentrated acid receiving slit, the lateral gas vent in enrichment device bottom are connected with absorption tower lower side inlet pipeline, and concentrated acid receives trench bottom and gone out
Mouth is connected by pipeline sets first circulation pump, and first circulation pump is connected to enrichment device top by pipeline and forms circulation loop, the
One circulating pump circulation line is provided with branch pipe, and is connected by the branch pipe and set heat exchanger, and the heat exchanger side passes through pipeline
Connection setting desorption tower, the desorption tower top is connected by pipeline sets overhead condenser, and through overhead condenser and the external world
System connects, and gas chlorination hydrogen is recycled, the desorption tower bottom is connected by pipeline with heat exchanger, the absorption
Tower bottom is connected by pipeline and sets groove, and the heat exchanger is connected by pipeline with groove, described to be passed through pipeline by trench bottom
Connection sets second circulation pump, and the second circulation pump accesses concentrated acid receiving slit by pipeline and goes further to absorb enrichment；Absorb
Tower top is connected by pipeline sets neutralizing tower, and neutralizing tower top is connected by pipeline and sets the first blower fan, and through the first blower fan
Access extraneous exhaust treatment system；Neutralize tower bottom and setting neutralization chamber is connected by pipeline, neutralize trench bottom and connected by pipeline
3rd circulating pump, the 3rd circulating pump are connected by pipeline with extraneous sewage disposal system.
Hydrogen chloride circulation recycling system in a kind of described industrial organic exhaust gas, it is characterised in that the deep freezer
Using -35 DEG C of cryogenic systems, glass-lined disc-type condenser, mesh mist eliminator is set on the deep freezer gaseous phase outlet pipe, and
Using φ 0.10mm ~ φ 0.28mm PVDF plastic silk screens.
Hydrogen chloride circulation recycling system in a kind of described industrial organic exhaust gas, it is characterised in that described enrichment
Device is falling film type absorption tower, and from top to bottom, and enrichment device carries cooling system for gas-liquid following current.
Hydrogen chloride circulation recycling system in a kind of described industrial organic exhaust gas, it is characterised in that the desorption tower
Using Raschig ring filler tower, steel lining tetrafluoro tower body structure, the desorption tower bottom sets self-loopa reboiler to carry out steam heating.
Hydrogen chloride circulation recycling system in a kind of described industrial organic exhaust gas, it is characterised in that the absorption tower
Using packed tower, and use fiberglass tower body, ceramic raschig rings；Above the second circulation pump second is set by branch pipe connection
Cooler, the second cooler are connected to absorption tower by pipeline, make absorption tower, groove, on second circulation pump and the second cooler structure
Into outer circulation cooling circuit；Second cooler uses 7 DEG C of water at low temperature as cooling medium.
Hydrogen chloride circulation recycling system in a kind of described industrial organic exhaust gas, it is characterised in that the neutralizing tower
Using packed tower, and use fiberglass tower body, ceramic raschig rings；3rd circulating pump is connected by branch pipe and sets the first cooler,
And access neutralizing tower top through the first cooler and form outer circulation cooling circuit；The cooling medium of first cooler is circulation
Water.
The beneficial effects of the utility model are that the system sets circulation loop using enrichment device, can realize enrichment step by step
Effect, absorption tower uses outer circulation cooling circuit, realizes the effect of cyclic absorption, improve the assimilation effect of tail gas；In
Outer circulation cooling circuit is used with tower, ensure that the feature of environmental protection of tail gas；Use the system realize 98% of chlorion in waste gas with
On recycled, chloride equilibrium use, more traditional washing, neutralisation treatment, can reduce in waste water more than 98% chlorination
Salt produces, and reduces because the COD cr that organic solvent is contributed in tail gas reduce more than 98%, the new byproduct is HCL gases and returned
Receive organic solvent volatile gas condensate liquid.
Brief description of the drawings
Fig. 1 is the utility model structure diagram；
In figure：1- deep freezers, 2- demisters, 3- lime set receiving slits, 4- enrichment devices, 5- absorption towers, 6- concentrated acid receiving slits, 8-
Groove, 9- second circulation pumps, 10- neutralizing towers, 11- exhaust fans, 12- neutralization chambers, the circulating pumps of 13- the 3rd, 14- first circulations
Pump, 15- heat exchangers, 16- self-loopa reboilers, 17- tower top coolers, the coolers of 18- first, 19 second coolers.
Embodiment
The utility model is further described below in conjunction with Figure of description.
As shown in figure 1, the hydrogen chloride circulation recycling system in a kind of industrial organic exhaust gas, for containing HCL, organic solvent
The industrial waste gas processing of composition, low concentration HCL gas purifications use, including deep freezer 1, demister 2, lime set receiving slit 3, enrichment
Device 4, absorption tower 5, concentrated acid receiving slit 6, groove 8, second circulation pump 9, neutralizing tower 10, exhaust fan 11, neutralization chamber the 12, the 3rd follow
Ring pump 13, first circulation pump 14, heat exchanger 15, self-loopa reboiler 16, tower top cooler 17, the first cooler 18 and 19 second
Cooler.The pending industrial waste gas containing HCL, Elements in Organic Solvents enters the indirect deep cooling of -35 DEG C of media of 1 use of deep freezer and removes tail gas
Middle organic solvent, the gaseous phase outlet pipe of deep freezer 1 connect the bottom side-entrance of demister 2, and the liquid phase bottom outlet of condensation is connected to lime set
The top of receiving slit 3 is gone to utilize, and the top offgas outlet pipe of demister 2 connects the top side-entrance of enrichment device 4, and bottom sets leakage fluid dram；Increase
Dense device 4 sets indirect cooling system, and the lateral gas vent in bottom connects absorption tower 5, and bottom liquid phases concentrated acid outlet connects concentrated acid reception
The upper interface pipe of groove 6, the outlet at bottom pipe of concentrated acid receiving slit 6 circulate through first circulation pump 14 and are connected to the top reuse of enrichment device 4, and first
14 another branch pipe of circulating pump is that concentrated acid pipe connects the top side-entrance of desorption tower 7 through the heat exchange of heat exchanger 15 heating；Desorption tower 7 sets and connect
Self-loopa reboiler 16, its top HCL gaseous phase outlets pipe go outside the system to use through cooler 17；Desorption tower bottom diluted acid discharge nozzle
Enter after heat exchanger 15 and concentrated acid heat exchange to the upper inlet of groove 8；Groove outlet at bottom pipe cools down through second circulation pump 9, second
Device 19 connects absorption tower top and draws into circulation loop, and circulation pipe sets a branch pipe to connect concentrated acid receiving slit 6 and goes further to absorb enrichment；Inhale
Receive tower top offgas outlet pipe and connect 10 times side-entrances of neutralizing tower, neutralizing tower upper gaseous phase outlet is gone outside the system through blower fan 1
Carry out vent gas treatment；Neutralizing tower bottom side neutralizer outlet meets the upper inlet of neutralization chamber 12, neutralization chamber outlet at bottom Guan Jing tri-
Circulating pump 13, the first cooler 18 access neutralizing tower upper side recycle.
Processing step is as follows：
1）The cooling of tail gas and purified treatment；Tail gas containing HCL and different organic solvents Volatile Gas is passed through in deep freezer 1
Carry out cooling condensation process；Gas after cooling carries out purified treatment through demister 2 again；
2）The recovery of tail gas；Through step 1）Tail gas after deep cooling successively enters enrichment device 4；Enrichment device 4, which absorbs, obtains concentrated acid
Into concentrated acid receiving slit 6；Concentrated acid enters after concentrated acid receiving slit 6 is sent into 4 continuous enrichment of enrichment device by first circulation pump 14；By
One circulating pump 14 is sent into desorption tower 7；Heated through the steam of self-loopa reboiler 16, in the top output HCL gases of desorption tower 7, warp
The condensation of overhead condenser 17 is recycled；
3）The recycling of tail gas；Step 2）Middle tail gas, which enters the rear portion of enrichment device 4, does not have absorbed gas to enter suction
Receive tower 5；After absorption tower 5 carries out cyclic absorption by the cooler 19 of second circulation pump 9 and second, it is sent into by second circulation pump 9
Concentrated acid receiving slit 6, then by step 2）Cyclic absorption is recycled after enrichment obtains concentrated acid step by step；
4）The neutralization of tail gas；Through step 3）Tail gas after processing neutralizes from absorption tower 5 into neutralizing tower 10；Neutralization is not inhaled
After the micro HCL gases received, the cyclic absorption of neutralizing tower 10 is sent into through the 3rd circulating pump 13 and the first cooler 18, it is useless after absorption
Liquid is discharged into sewage disposal system.
Embodiment:
Chlorinated exhaust caused by enterprise and chloromethane aether tail gas, main component are the mg/ m of methanol 20-35 ten thousand3, chloromethyl ether 20-
450000 mg/ m3；The mg/ m of the 8-10 of gas containing HCL ten thousand3, normal temperature, pressure gauge pressure 500Pa, flow is air quantity 2300N m3/ h, Nian Gong
Make day 7200 hours.
The main exhaust gas component of embodiment is as follows：
| Title | Air quantity | Formed containing organic solvent volatile gas | Gas containing HCL | Other compositions |
| Tail gas 2 | 2300N m3/h | The mg/ m of methanol 20-35 ten thousand3, the mg/ m of chloromethyl ether 20-45 ten thousand3； | The mg/ m of 8-10 ten thousand3 | Air（Based on nitrogen） |
Using above-mentioned technique, -35 DEG C of glycol-cooled medium deep coolings of deep freezer use, condensate liquid is mainly methanol, chloromethane
The reuses such as ether, the control of enrichment device concentration of hydrochloric acid is 30%, and the control of desorption watery hydrochloric acid concentration is 15%, in the circulation of tail gas neutralizing tower 10
It is 10% concentration with sodium hydrate aqueous solution.
Treatment effect is as follows：The example can reclaim 1490 tons of hydrogen chloride year；5700 tons of methanol, chloromethyl ether condensate liquid；Detection
Methanol concentration is less than or equal to 140mg/ m in tail gas after processing3, chloromethyl ether concentration be less than or equal to 20mg/ m3；HCL gases
Concentration is less than 100mg/m3, waste gas, which discharges, meets environmental requirement, more traditional neutralisation treatment, annual in waste water to reduce sodium chloride discharge
2380 tons of amount, 5700 tons of organic matter is reduced, significantly reduce the pressure of sewage disposal, reclaiming HCL and lime set can make as raw material
With remarkable in economical benefits.
The more traditional water of the utility model absorbs plus alkali neutralisation treatment containing hydrogen chloride and methanol-fueled exhaust technique, can be greatly decreased
Sodium chloride composition and content of organics in waste water, recovery composition can be used as raw materials for production, have good environmental benefit and warp
Ji benefit.
Claims (6)
1. the hydrogen chloride circulation recycling system in a kind of industrial organic exhaust gas, it is characterised in that including the deep cooling being sequentially connected
Device（1）, enrichment device（4）, absorption tower（5）And neutralizing tower（10）, the deep freezer（1）With enrichment device（4）Between connected by pipeline
Connect setting demister（2）, the demister（2）Side-entrance pass through pipeline and deep freezer（1）Gaseous phase outlet connection, demister
（2）Top offgas outlet pass through pipeline and enrichment device（4）Top side-entrance connection, demister（2）Bottom leakage fluid dram passes through
Pipeline picks out the system；The deep freezer（1）Connected by pipeline and lime set receiving slit is set（3）, lime set receiving slit（3）Bottom leads to
Piping picks out the system；Enrichment device（4）Bottom is connected by pipeline and sets concentrated acid receiving slit（6）, enrichment device（4）Bottom is lateral
Gas vent and absorption tower（5）Lower side inlet pipeline connects, concentrated acid receiving slit（6）Outlet at bottom sets the by pipeline connection
One circulating pump（14）, first circulation pump（14）Enrichment device is connected to by pipeline（4）Top forms circulation loop, first circulation pump
（14）Circulation line is provided with branch pipe, and is connected by the branch pipe and set heat exchanger（15）, the heat exchanger（15）Side passes through
Pipeline connection sets desorption tower（7）, the desorption tower（7）Top is connected by pipeline and sets overhead condenser（17）, and through tower
Push up condenser（17）It is connected with ambient systems, gas chlorination hydrogen is recycled, the desorption tower（7）Bottom passes through pipeline
With heat exchanger（15）Connection, the absorption tower（5）Bottom is connected by pipeline and sets groove（8）, the heat exchanger（15）Pass through
Pipeline and groove（8）Connection, the groove（8）Bottom is connected by pipeline and sets second circulation pump（9）, the second circulation pump
（9）Concentrated acid receiving slit is accessed by pipeline（6）Go further to absorb enrichment；Absorption tower（5）During top is set by pipeline connection
And tower（10）, neutralizing tower（10）Top is connected by pipeline and sets the first blower fan（11）, and through the first blower fan（11）Access is extraneous
Exhaust treatment system；Neutralizing tower（10）Bottom is connected by pipeline and sets neutralization chamber（12）, neutralization chamber（12）Bottom passes through pipeline
Connect the 3rd circulating pump（13）, the 3rd circulating pump（13）It is connected by pipeline with extraneous sewage disposal system.
2. the hydrogen chloride circulation recycling system in a kind of industrial organic exhaust gas according to claim 1, it is characterised in that
The deep freezer（1）Using -35 DEG C of cryogenic systems, glass-lined disc-type condenser, the deep freezer（1）Gaseous phase outlet Guan Shangshe
Mesh mist eliminator is put, and uses φ 0.10mm ~ φ 0.28mm PVDF plastic silk screens.
3. the hydrogen chloride circulation recycling system in a kind of industrial organic exhaust gas according to claim 1, it is characterised in that
Described enrichment device（4）For falling film type absorption tower, gas-liquid following current from top to bottom, and enrichment device（4）Carry cooling system.
4. the hydrogen chloride circulation recycling system in a kind of industrial organic exhaust gas according to claim 1, it is characterised in that
The desorption tower（7）Using Raschig ring filler tower, steel lining tetrafluoro tower body structure, the desorption tower（7）Bottom sets self-loopa again
Boil device（16）Carry out steam heating.
5. the hydrogen chloride circulation recycling system in a kind of industrial organic exhaust gas according to claim 1, it is characterised in that
The absorption tower（5）Using packed tower, and use fiberglass tower body, ceramic raschig rings；The second circulation pump（9）Top passes through
Branch pipe connection sets the second cooler（19）, the second cooler（19）Absorption tower is connected to by pipeline（5）, make absorption tower（5）, by
Groove（8）, second circulation pump（9）Upper and the second cooler（19）Form outer circulation cooling circuit；Second cooler（19）Adopt
It is cooling medium with 7 DEG C of water at low temperature.
6. the hydrogen chloride circulation recycling system in a kind of industrial organic exhaust gas according to claim 1, it is characterised in that
The neutralizing tower（10）Using packed tower, and use fiberglass tower body, ceramic raschig rings；3rd circulating pump（13）Connected by branch pipe
Connect and the first cooler is set（18）, and through the first cooler（18）Access neutralizing tower top and form outer circulation cooling circuit；It is described
First cooler（18）Cooling medium be recirculated water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720856142.7U CN207169395U (en) | 2017-07-14 | 2017-07-14 | A kind of hydrogen chloride circulation recycling system in industrial organic exhaust gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720856142.7U CN207169395U (en) | 2017-07-14 | 2017-07-14 | A kind of hydrogen chloride circulation recycling system in industrial organic exhaust gas |
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| Publication Number | Publication Date |
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| CN207169395U true CN207169395U (en) | 2018-04-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107335318A (en) * | 2017-07-14 | 2017-11-10 | 浙江省天正设计工程有限公司 | Hydrogen chloride circulation recycling system and its method in a kind of industrial organic exhaust gas |
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2017
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107335318A (en) * | 2017-07-14 | 2017-11-10 | 浙江省天正设计工程有限公司 | Hydrogen chloride circulation recycling system and its method in a kind of industrial organic exhaust gas |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180403 |