CN203823776U - Catalytic combustion treatment device system for benzene series-containing waste gas - Google Patents
Catalytic combustion treatment device system for benzene series-containing waste gas Download PDFInfo
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- CN203823776U CN203823776U CN201420071837.0U CN201420071837U CN203823776U CN 203823776 U CN203823776 U CN 203823776U CN 201420071837 U CN201420071837 U CN 201420071837U CN 203823776 U CN203823776 U CN 203823776U
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- Prior art keywords
- reaction column
- catalytic combustion
- gas
- waste gas
- tail gas
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- 239000002912 waste gas Substances 0.000 title claims abstract description 20
- 238000007084 catalytic combustion reaction Methods 0.000 title claims abstract description 19
- 125000001997 phenyl group Chemical class [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 title abstract 3
- 239000007789 gas Substances 0.000 claims abstract description 37
- 238000006243 chemical reaction Methods 0.000 claims abstract description 30
- 238000010438 heat treatment Methods 0.000 claims abstract description 16
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 15
- 239000001301 oxygen Substances 0.000 claims abstract description 15
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 9
- 239000010959 steel Substances 0.000 claims abstract description 9
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 52
- 239000003054 catalyst Substances 0.000 claims description 16
- 239000003463 adsorbent Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000001179 sorption measurement Methods 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 2
- 239000010453 quartz Substances 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 11
- 238000005265 energy consumption Methods 0.000 abstract description 8
- 230000035484 reaction time Effects 0.000 abstract description 5
- 230000010718 Oxidation Activity Effects 0.000 abstract 1
- 230000007547 defect Effects 0.000 abstract 1
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 15
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 8
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 206010019233 Headaches Diseases 0.000 description 2
- 231100000869 headache Toxicity 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 206010009192 Circulatory collapse Diseases 0.000 description 1
- 208000007443 Neurasthenia Diseases 0.000 description 1
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 1
- 239000006004 Quartz sand Substances 0.000 description 1
- 208000013738 Sleep Initiation and Maintenance disease Diseases 0.000 description 1
- 208000010513 Stupor Diseases 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000003444 anaesthetic effect Effects 0.000 description 1
- 206010003549 asthenia Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 231100000357 carcinogen Toxicity 0.000 description 1
- 239000003183 carcinogenic agent Substances 0.000 description 1
- 210000003169 central nervous system Anatomy 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000009841 combustion method Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- XTVVROIMIGLXTD-UHFFFAOYSA-N copper(II) nitrate Chemical compound [Cu+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O XTVVROIMIGLXTD-UHFFFAOYSA-N 0.000 description 1
- 229910052878 cordierite Inorganic materials 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- JSKIRARMQDRGJZ-UHFFFAOYSA-N dimagnesium dioxido-bis[(1-oxido-3-oxo-2,4,6,8,9-pentaoxa-1,3-disila-5,7-dialuminabicyclo[3.3.1]nonan-7-yl)oxy]silane Chemical compound [Mg++].[Mg++].[O-][Si]([O-])(O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2)O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2 JSKIRARMQDRGJZ-UHFFFAOYSA-N 0.000 description 1
- 208000002173 dizziness Diseases 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 206010022437 insomnia Diseases 0.000 description 1
- GJKFIJKSBFYMQK-UHFFFAOYSA-N lanthanum(3+);trinitrate;hexahydrate Chemical compound O.O.O.O.O.O.[La+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O GJKFIJKSBFYMQK-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000007146 photocatalysis Methods 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 206010040560 shock Diseases 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 235000015096 spirit Nutrition 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 208000011580 syndromic disease Diseases 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 239000012855 volatile organic compound Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The utility model discloses a catalytic combustion treatment device system for benzene series-containing waste gas. The system mainly comprises a gas buffer tank, an oxygen steel cylinder, a preheating furnace, a heating furnace, a reaction column, a gas chromatograph and a tail gas collecting and treating device. The catalytic combustion treatment device system has high process oxidation activity, and has the characteristics of low energy consumption, simple structure, convenience in operation and the like; by adopting the catalytic combustion treatment device system, benzene series-containing waste gas can be catalyzed rapidly, the defects of high energy consumption, poor treatment efficiency, long reaction time and the like in an ordinary catalytic combustion device can be overcome, the reaction time is shortened greatly, the treatment efficiency and treatment capability are increased, and the energy consumption is lowered.
Description
Technical field
The utility model belongs to exhaust-gas treatment field, relates to a kind of catalytic combustion processing device system containing benzene homologues waste gas.
Background technology
Refer to the volatile organic waste gas containing components such as benzene, toluene and dimethylbenzene containing benzene homologues waste gas.Along with the fast development of China's economy, the coastal cities of especially relatively concentrating in light industry, increasing containing the discharge capacity of benzene homologues organic exhaust gas.In interior decoration, multiplex toluene, dimethylbenzene replace purified petroleum benzin to make solvent or the diluent of various glue, paint, coating and waterproof material at present.Because that benzene has is volatile, inflammable, steam has volatile feature.When people sucks toluene, the dimethylbenzene of high concentration at short notice, can occur central nervous system anesthetic effect, the lighter has dizziness, headache, nauseating, uncomfortable in chest, weak, clouding of consciousness, and severe patient can cause stupor so that breathing, circulatory failure and death.If the certain density toluene of Long Term Contact, dimethylbenzene, can cause slow poisoning, can there is the neurasthenia sample syndromes such as headache, insomnia, One's spirits are drooping, failure of memory.Benzene homologues is defined as strong carcinogen by the World Health Organization.So large containing benzene homologues organic exhaust gas toxicity, if directly entering atmosphere, waste gas will cause severe contamination to environment, be detrimental to health simultaneously.Therefore, research is very necessary containing benzene homologues VOCs treatment technology.
Traditional organic waste-gas purification method has absorption method, absorption process, condensation method, membrane technology, photocatalysis, biotechnology and direct combustion method etc., but these methods exist easily produce secondary pollutions, energy consumption is large, the reaction time is long, disposal ability is little, be subject to the shortcoming such as concentration and temperature limiting of organic exhaust gas.Catalytic combustion is that in making waste gas under the condition existing at catalyst, harmful combustible component complete oxidation is carbon dioxide and water, has that initiation temperature is low, energy consumption is low, applicability is wide, treatment effeciency is high, a distinguishing feature such as safe, non-secondary pollution.
Utility model content
The purpose of this utility model is the above-mentioned deficiency for prior art, and a kind of catalytic combustion processing device system containing benzene homologues waste gas is provided.
The technical solution adopted in the utility model is:
A kind of apparatus system that is applied to processing method described in the utility model, comprise gas buffer tank, preheating furnace, reaction column, heating furnace, gas chromatograph, tail gas collecting device and oxygen bottle and be connected the pipeline of each device, waste gas is entered by the exhaust piping at A place, and after mixing, gas buffer tank enters reaction column with oxygen bottle generation oxygen, steel wire is housed in reaction column, on steel wire, place catalyst, filled with adsorbent in tail gas collecting device; Enter reaction column containing benzene homologues waste gas and oxygen, via preheating furnace preheating, enter heating furnace and carry out catalytic combustion, the tail gas of catalytic combustion processing enters tail gas collecting device, after adsorption treatment, is discharged by exhaust outlet.
Described reaction column material is stainless steel or quartz reaction post.
Described preheating furnace and heating furnace are successively set on reaction column periphery along airintake direction, respectively reaction column are carried out to preheating and heating, and preheating furnace and furnace temp are all adjustable; The other thermocouple that inserts of catalyst is monitored the temperature of reaction column inner catalyst.
Beneficial effect:
The adsorbing coupled catalytic combustion that the utility model adopts is processed the apparatus system that contains benzene homologues waste gas compared with common process and device, there is the features such as energy consumption is low, simple in structure, easy to operate, can improve the shortcomings such as not high and reaction time of common catalytic combustion system high energy consumption, treatment effeciency is long, greatly shorten the reaction time, improve treatment effeciency and disposal ability, reduced energy consumption.
Brief description of the drawings:
Fig. 1 is that a kind of adsorbing coupled catalytic combustion is processed the process unit containing benzene homologues waste gas, wherein 1-waste exhaust gases surge tank, 2-preheating furnace, 3-reaction column, 4-heating furnace, 5-catalyst, 6-steel wire, 7-thermocouple, 8-gas chromatograph, 9-tail gas collecting device, 10-adsorbent, 11-exhaust outlet, 12-oxygen bottle.
Fig. 2 is the filling schematic diagram of catalyst in combustion furnace, wherein 5-catalyst, 6-steel wire, 12-quartz sand
Detailed description of the invention
The utility model provides a kind of process unit containing benzene homologues waste gas of processing fast and efficiently.
Device technique the utility model being provided below in conjunction with case study on implementation and accompanying drawing is described further.
Embodiment 1
A kind of apparatus system that is applied to processing method described in the utility model, comprise gas buffer tank 1, preheating furnace 2, reaction column 3, heating furnace 4, gas chromatograph 8, tail gas collecting device 9, oxygen bottle 12 and connect the pipeline of each device, waste gas is entered by the exhaust piping at A place, and there is oxygen with oxygen bottle 12 and after gas buffer tank 1 mixes, enter reaction column 3, steel wire 6 is housed in reaction column 3, on steel wire 6, place 1g catalyst, the interior filled with adsorbent of tail gas collecting device 9.Reaction column 3 materials are stainless steel reaction post.Preheating furnace 2 and heating furnace 4 are successively set on reaction column 3 peripheries along airintake direction, respectively reaction column 3 are carried out to preheating and heating, and preheating furnace 2 and heating furnace 4 temperature are all adjustable, and preheating furnace arranges 100 DEG C, and heating furnace arranges 300 DEG C; The other thermocouple 7 that inserts of catalyst is monitored the temperature of reaction column 3 inner catalysts 5.
Described pass into after gas buffer tank cushions and pass into reaction column 3 with 0.8L/min flow containing benzene homologues waste gas and oxygen,, oxygen accounts for the 80%(V/V of mist total amount).Mist, via preheating furnace 2 preheatings, enters heating furnace 4 and carries out catalytic combustion, and the tail gas of catalytic combustion processing enters tail gas collecting device 9, after adsorption treatment, is discharged by exhaust outlet 11.
Catalyst prepares by the following method: preparation lanthanum nitrate hexahydrate 10mol/L, copper nitrate solution 10mol/L and the each 4ml of Klorvess Liquid 1mol/L mix, add 10g cordierite, at room temperature stir after 3h, leave standstill aging 36h, at 140 DEG C, dry 24h, at 1000 DEG C, roasting 5h obtains catalyst raw powder, pulverized 28 mesh sieves and obtain catalyst granules after compressing tablet.
When temperature reaches 280 DEG C, when thermocouple displays temperature is 250 DEG C, the conversion ratio of toluene is 97%, and tail gas is emptying via tail gas collecting device absorption.
Claims (3)
1. the catalytic combustion processing device system containing benzene homologues waste gas, it is characterized in that comprising gas buffer tank (1), preheating furnace (2), reaction column (3), heating furnace (4), gas chromatograph (8), tail gas collecting device (9) and oxygen bottle (12) and be connected the pipeline of each device, waste gas is entered by the exhaust piping at A place, and after mixing, gas buffer tank (1) enters reaction column (3) with oxygen bottle (12) generation oxygen, steel wire (6) is housed in reaction column (3), the upper catalyst of placing of steel wire (6), the interior filled with adsorbent of tail gas collecting device (9), preheating furnace (2) and heating furnace (4) are successively set on reaction column (3) periphery along airintake direction, and reaction column (3) is respectively equipped with pipeline communication with gas chromatograph (8) and tail gas collecting device (9), enter reaction column (3) containing benzene homologues waste gas and oxygen, via preheating furnace (2) preheating, enter heating furnace (4) and carry out catalytic combustion, the tail gas of catalytic combustion processing enters tail gas collecting device (9), after adsorption treatment, is discharged by exhaust outlet (11).
2. apparatus system according to claim 1, is characterized in that reaction column (3) material is stainless steel or quartz reaction post.
3. apparatus system according to claim 1, is characterized in that preheating furnace (2) and heating furnace (4) temperature are all adjustable; The other thermocouple (7) that inserts of catalyst is monitored the temperature of reaction column (3) inner catalyst (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420071837.0U CN203823776U (en) | 2014-02-19 | 2014-02-19 | Catalytic combustion treatment device system for benzene series-containing waste gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420071837.0U CN203823776U (en) | 2014-02-19 | 2014-02-19 | Catalytic combustion treatment device system for benzene series-containing waste gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203823776U true CN203823776U (en) | 2014-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420071837.0U Expired - Lifetime CN203823776U (en) | 2014-02-19 | 2014-02-19 | Catalytic combustion treatment device system for benzene series-containing waste gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203823776U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104566405A (en) * | 2014-12-05 | 2015-04-29 | 南京化工职业技术学院 | PTA (purified terephthalio acid) oxidized tail gas catalytic combustion processing method with low energy consumption |
| CN109708127A (en) * | 2019-02-28 | 2019-05-03 | 刘玉满 | The high-temperature oxygen-enriched extraordinary pressure combustion purification device of benzene class nuisance in industrial waste gas |
-
2014
- 2014-02-19 CN CN201420071837.0U patent/CN203823776U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104566405A (en) * | 2014-12-05 | 2015-04-29 | 南京化工职业技术学院 | PTA (purified terephthalio acid) oxidized tail gas catalytic combustion processing method with low energy consumption |
| CN104566405B (en) * | 2014-12-05 | 2017-10-17 | 南京科技职业学院 | A kind of PTA oxidized tail gas catalysis burn processing method of low energy consumption |
| CN109708127A (en) * | 2019-02-28 | 2019-05-03 | 刘玉满 | The high-temperature oxygen-enriched extraordinary pressure combustion purification device of benzene class nuisance in industrial waste gas |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140910 |
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| CX01 | Expiry of patent term |