CN202962248U - Device for purifying harmful waste gas by gas and liquid absorption and microelectrolysis - Google Patents
Device for purifying harmful waste gas by gas and liquid absorption and microelectrolysis Download PDFInfo
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- CN202962248U CN202962248U CN 201220529126 CN201220529126U CN202962248U CN 202962248 U CN202962248 U CN 202962248U CN 201220529126 CN201220529126 CN 201220529126 CN 201220529126 U CN201220529126 U CN 201220529126U CN 202962248 U CN202962248 U CN 202962248U
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- absorption
- gas
- liquid
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- 238000010521 absorption reaction Methods 0.000 title claims abstract description 62
- 239000007788 liquid Substances 0.000 title claims abstract description 37
- 239000007789 gas Substances 0.000 title abstract description 26
- 239000002912 waste gas Substances 0.000 title abstract description 6
- 238000012856 packing Methods 0.000 claims abstract description 15
- 238000005868 electrolysis reaction Methods 0.000 claims description 13
- 238000004140 cleaning Methods 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 24
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 19
- 229910052742 iron Inorganic materials 0.000 abstract description 12
- 229910052799 carbon Inorganic materials 0.000 abstract description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 abstract description 5
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 239000003344 environmental pollutant Substances 0.000 abstract description 3
- 231100000719 pollutant Toxicity 0.000 abstract description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract 1
- 229910052801 chlorine Inorganic materials 0.000 abstract 1
- 239000000460 chlorine Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 12
- 239000000945 filler Substances 0.000 description 10
- 230000000505 pernicious effect Effects 0.000 description 9
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 8
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 8
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 239000000243 solution Substances 0.000 description 5
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 4
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 150000001299 aldehydes Chemical class 0.000 description 4
- 150000001412 amines Chemical class 0.000 description 4
- 229910021529 ammonia Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 150000002148 esters Chemical class 0.000 description 4
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 4
- 150000002576 ketones Chemical class 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000007791 liquid phase Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 235000002639 sodium chloride Nutrition 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- -1 HO2 and H2O2 Chemical class 0.000 description 2
- OKTJSMMVPCPJKN-YPZZEJLDSA-N carbon-10 atom Chemical class [10C] OKTJSMMVPCPJKN-YPZZEJLDSA-N 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 239000003610 charcoal Substances 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 150000003254 radicals Chemical class 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 229910052938 sodium sulfate Inorganic materials 0.000 description 2
- 235000011152 sodium sulphate Nutrition 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 241000736911 Turritella communis Species 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000357 carcinogen Toxicity 0.000 description 1
- 239000003183 carcinogenic agent Substances 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000020335 dealkylation Effects 0.000 description 1
- 238000006900 dealkylation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 238000003411 electrode reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000011257 shell material Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
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- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The utility model relates to a device for purifying harmful waste gas by gas and liquid absorption and microelectrolysis. The device comprises an absorption tower, a packing layer consisting of active carbon and iron packing and an absorption liquid circulation tank, wherein a gas inlet and the absorption liquid circulation tank are arranged at the lower part of the absorption; a gas outlet and a liquid inlet are formed in the upper part of the absorption tower; and the absorption liquid circulation tank is connected with the liquid inlet in the upper part of the absorption tower through a circulation pump, a pipeline and a valve. By a mode of combination of the liquid absorption and the microelectrolysis reaction, the device is particularly suitable for treatment of harmful gaseous pollutants with low water solubility, such as chlorine-containing organics and methylbenzene; and the device has the characteristics of simple structure, high treatment efficiency, large gas treatment capacity, simplicity in operation and low running cost.
Description
Technical field
The utility model relates to a kind of Gas-Liquid Absorption in conjunction with the device of little electrolytic cleaning pernicious gas; be particularly related to volatile organic matters such as removing hydrocarbon, alcohol, ether, aldehyde, phenol, ketone, ester and amine from air-flow; the device of the inorganic matters such as hydrogen sulfide, sulfur dioxide, nitrogen oxide and ammonia belongs to Air Pollution Control and environmental protection technical field.
Background technology
The volatile organic matters such as hydrocarbonaceous, alcohol, ether, aldehyde, phenol, ketone, ester and amine, the inorganic matters such as hydrogen sulfide, sulfur dioxide, nitrogen oxide and ammonia result from chemistry, pharmacy, spray paint, the various production processes such as Sewage Disposal.These pollutants are not only harmful, some or carcinogen, and also a large amount of discharging is gone back the localized region environment and has been produced and seriously influence.But due to these gases or to have chemical constitution more stable, be difficult for the characteristics of degraded, or threshold value is lower, brings very large difficulty to purified treatment.
Usually, adopting liquid absorption method is one of main method of removing these pernicious gases, but that the subject matter of the method is absorptive capacity is limited, and absorption liquid is easily saturated.Solution after absorption must further be processed, if directly send wastewater disposal basin back to, the product that is absorbed after processing can evaporate again, will cause the generation of secondary pollution.How when improving absorption efficiency, the generation of avoiding again secondary pollution is urgent problem in this skilled industry application process.
The basic principle of liquid phase micro-electrolysis method is to utilize microelectrolysis process in electrode surface generation electrochemical reaction, produces strong oxidative free radical such as OH, HO2 and H2O2 etc., and these strong oxidizing property materials and nuisance reaction finally are converted into harmless object to nuisance.General micro-electrolysis method is used for the wastewater treatment of chemical industry difficult degradation, and also to the technology report of little electrolysis, but document all concentrates in the processing of waste water and uses in the Chinese patent literature storehouse.Not yet see the report that micro electrolysis tech is applied to waste gas pollution control and treatment.
Summary of the invention
Primary technical problem to be solved in the utility model is to provide the device of a kind of absorption in conjunction with little electrolytic cleaning harmful exhaust for existing background technology, it is to adopt to absorb in conjunction with micro electrolysis tech, be used for from air-flow except volatile organic matters such as dealkylation, alcohol, ether, aldehyde, phenol, ketone, ester and amine, the inorganic matters such as hydrogen sulfide, sulfur dioxide, nitrogen oxide and ammonia, these gaseous contaminants are converted into chemically stable material, make absorption liquid recover absorbability, thereby reach gas purification and avoid the problem of secondary pollution purpose.
A kind of device that absorbs in conjunction with little electrolytic cleaning harmful exhaust described in the utility model, it is characterized in that described device is general gas-liquid absorption equipment-packing material absorbing tower structure, be provided with in the absorption tower as the ferrous material of little electrolytic anode and the packing layer that forms as the active carbon of little electrolysis cathode and pernicious gas adsorbent, ferrous material is generally the structured packing structure, can be according to the relevant filling-material structure on tower chemical industry equipment handbook such as the apolegamys such as Raschig ring, Pall ring and cascade ring, effect is about the same.The active carbon structure is generally spherical or cylindricality, diameter is generally 1mm-50mm, also can be according to iron filler shape and structure customization and coupling, make iron filler and activated carbon even contact mixing placement in packing layer, in order to effectively form the little electrolysis system of iron charcoal, the filling of general iron filler and activated carbon is than not can be 1 by external surface area than (not containing internal surface area): 0.5-1: 10, and the size of iron filler and activated carbon, shape, structure and proportioning can be according to absorbing the parameter apolegamys such as tower diameter, harmful gas concentration and processing tolerance.General described packing layer porosity is 10%-90%, and the best is 20%-40%.The bottom, absorption tower is provided with the pernicious gas import, gas vent after the top on absorption tower is provided with and purifies, the bottom on absorption tower is provided with the absorption liquid circulating slot, and the bottom liquid outlet of circulating slot is connected with the inlet of valve with top, absorption tower by circulating pump, pipeline.
the purified treatment that described device is used for pernicious gas, adopt following technique: the pending air-flow that contains pernicious gas is imported described absorption tower, through the packing layer zone that is formed by iron filler and active carbon, gas-solid-liquid phase reaction district with the absorption liquid formation that flows down from top, absorption tower, pernicious gas at first absorbed by the absorption liquid that flows down along iron filler and activated carbon surface and absorption liquid in the active carbon suction, then under the electrode reaction effect of the numerous micro cell that active carbon and iron filler consist of, material such as OH with strong reactivity have been produced, the free radical such as HO2 and H2O2, these materials be dissolved in solution and by the nuisance generation chemical reaction of charcoal absorption, finally the gas phase nuisance is degraded, make pernicious gas effectively be absorbed and purify.
Described absorption liquid generally adopts the pH value less than 7.5 acidic aqueous solution, example hydrochloric acid or sulfuric acid, and the degradation rate of the nuisance under sour environment is higher.And can add the salt such as a certain amount of sodium chloride or sodium sulphate as electrolyte in solution, electrolyte mass percent concentration concentration is generally 0.1%-25%.
The utility model advantage is: the device that adopts liquid absorption and micro-electrolysis reaction to combine, be specially adapted to the processing as organic in chlorinated organics, toluene etc. of water-soluble bad harmful gaseous pollutant, have a treatment effeciency high, process large-minded, simple to operate, reliable and practical.
Description of drawings
Accompanying drawing is a kind of absorption described in the utility model in conjunction with the apparatus structure schematic diagram of little electrolytic cleaning pernicious gas, wherein label: 1 circulating pump; 2 liquid outlets; 3 absorption liquid circulating slots; 4 liquid level gauges; 5 filling openings; 6 gas feeds; 7 gas distribution grids; 8 absorption tower inlets; 9 gas vents; 10 activated carbon; 11 iron fillers; 12 leakage fluid drams.
This apparatus structure is that the bottom, absorption tower is provided with air inlet 5, the top on absorption tower is provided with gas outlet 8, the bottom on absorption tower is provided with absorption liquid circulating slot 3, the bottom of circulating slot 2 has liquid outlet 2 to be connected with the absorption tower inlet 8 on absorption tower top top by circulating pump 1, pipeline and valve, the little electrolysis system that is comprised of activated carbon 10 and iron filler 11 is set in the absorption tower, and the bottom on absorption tower also arranges by leakage fluid dram 12.
The processing technological flow of device described in the utility model is that pending waste gas is entered in the absorption tower by air inlet 6 and contacts with spray liquid, carries out absorption reaction, and the waste gas after processing 8 is discharged from the tower top gas outlet.During packing layer that absorption liquid is comprised of activated carbon 10 and iron filler 11 by tower middle part, generation micro-electrolysis reaction district enters absorption liquid circulating slot 3, then returns the absorption tower by drain pipe 2 through circulating pump 1.
The specific embodiment
Embodiment is described in further detail the utility model below in conjunction with accompanying drawing, but protection domain of the present utility model is not limited to this.
Embodiment 1: the experimental provision system flow as shown in drawings, the absorption tower is the packed tower structure, composition of tower shell material is polypropylene, tower diameter is Φ 300mm, and bed stuffing height is 2500mm, is comprised of irony Pall ring and activated carbon, Pall ring diameter 25mm wherein, thickness is 2mm.The active carbon diameter is about 15mm, and the packing layer porosity is about 25% left and right.Simulated exhaust is passed into by the tower bottom air inlet, through behind gas-solid-liquid phase reaction district, is discharged by top.
Experiment condition is: absorption liquid is the common salt aqueous solution+hydrochloric acid of 2%.PH value of solution=3 ± 0.5.
Gas flow: 200m
3/ h, gas temperature: 25 ℃.
The waste gas kind is common are the volatile organic matters such as the representational hydrocarbon of table, alcohol, ether, aldehyde, phenol, ketone, ester and amine, the inorganic matters such as hydrogen sulfide, sulfur dioxide, nitrogen oxide and ammonia.
Carrier gas: air.
Pump flow: 5m
3/ h.
Experimental result is as shown in table 1.
Table 1 nuisance removal effect
Embodiment 2: the experimental provision system flow as shown in drawings.
Experiment condition is: absorption liquid is the sodium sulphate aqueous solution+sulfuric acid of 2%.PH value of solution=5 ± 0.5.
Other conditions are with embodiment 1.
Experimental result: as shown in table 2.
Table 2 nuisance removal effect
Claims (3)
1. a Gas-Liquid Absorption in conjunction with the device of little electrolytic cleaning harmful exhaust, is characterized in that described device comprises absorption tower, packing layer and absorption liquid circulating slot, and described packing layer is comprised of anode and the negative electrode of little electrolysis; The bottom on described absorption tower is provided with gas feed and absorption liquid circulating slot, and the top on absorption tower is provided with gas vent and inlet, and described absorption liquid circulating slot is connected with the inlet on top, absorption tower by circulating pump, pipeline, valve.
2. a kind of Gas-Liquid Absorption according to claim 1 is in conjunction with the device of little electrolytic cleaning harmful exhaust, the anode that it is characterized in that described little electrolysis is the relevant structured packing structure on the chemical industry equipment handbook, comprise Raschig ring, Pall ring or cascade ring, the negative electrode of described little electrolysis is spherical or cylindricality, diameter is 1mm-50mm, and packing layer inner anode and negative electrode evenly mix.
3. a kind of Gas-Liquid Absorption according to claim 1 and 2 in conjunction with the device of little electrolytic cleaning harmful exhaust, is characterized in that described packing layer porosity is 10%-90%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220529126 CN202962248U (en) | 2012-10-03 | 2012-10-03 | Device for purifying harmful waste gas by gas and liquid absorption and microelectrolysis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220529126 CN202962248U (en) | 2012-10-03 | 2012-10-03 | Device for purifying harmful waste gas by gas and liquid absorption and microelectrolysis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202962248U true CN202962248U (en) | 2013-06-05 |
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ID=48503379
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220529126 Expired - Fee Related CN202962248U (en) | 2012-10-03 | 2012-10-03 | Device for purifying harmful waste gas by gas and liquid absorption and microelectrolysis |
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| Country | Link |
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| CN (1) | CN202962248U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104226107A (en) * | 2014-08-21 | 2014-12-24 | 邓杰帆 | Composite bed treatment method and equipment of waste gas |
| CN105749706A (en) * | 2016-03-16 | 2016-07-13 | 南京益农环境科技有限公司 | Device and method for treating waste gas containing high-and medium-concentration benzene |
| CN105983315A (en) * | 2015-01-31 | 2016-10-05 | 中国石油化工股份有限公司 | Multilevel spraying device and neutralization method |
| CN106268195A (en) * | 2016-10-13 | 2017-01-04 | 青海百事特镁业有限公司 | A kind of ammonia absorption tower device of the ammonia in high efficiente callback waste gas |
| CN107355890A (en) * | 2017-06-30 | 2017-11-17 | 芜湖上水源环保科技有限公司 | A kind of wall hanging type air bactericidal device |
| CN107824021A (en) * | 2017-12-14 | 2018-03-23 | 侯梦斌 | The flue gas purifying equipment and technique of a kind of small scall coal-fired boiler |
| CN117101388A (en) * | 2023-10-09 | 2023-11-24 | 轩昂生态环境建设有限公司 | Odor purification device in sanitation field and use method thereof |
-
2012
- 2012-10-03 CN CN 201220529126 patent/CN202962248U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104226107A (en) * | 2014-08-21 | 2014-12-24 | 邓杰帆 | Composite bed treatment method and equipment of waste gas |
| CN104226107B (en) * | 2014-08-21 | 2016-06-08 | 邓杰帆 | The multiple-hearth processing method of a kind of waste gas and equipment |
| CN105983315A (en) * | 2015-01-31 | 2016-10-05 | 中国石油化工股份有限公司 | Multilevel spraying device and neutralization method |
| CN105749706A (en) * | 2016-03-16 | 2016-07-13 | 南京益农环境科技有限公司 | Device and method for treating waste gas containing high-and medium-concentration benzene |
| CN106268195A (en) * | 2016-10-13 | 2017-01-04 | 青海百事特镁业有限公司 | A kind of ammonia absorption tower device of the ammonia in high efficiente callback waste gas |
| CN107355890A (en) * | 2017-06-30 | 2017-11-17 | 芜湖上水源环保科技有限公司 | A kind of wall hanging type air bactericidal device |
| CN107824021A (en) * | 2017-12-14 | 2018-03-23 | 侯梦斌 | The flue gas purifying equipment and technique of a kind of small scall coal-fired boiler |
| CN117101388A (en) * | 2023-10-09 | 2023-11-24 | 轩昂生态环境建设有限公司 | Odor purification device in sanitation field and use method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130605 Termination date: 20141003 |
|
| EXPY | Termination of patent right or utility model |