CN205109351U - Stench waste gas treatment system - Google Patents
Stench waste gas treatment system Download PDFInfo
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- CN205109351U CN205109351U CN201520893209.5U CN201520893209U CN205109351U CN 205109351 U CN205109351 U CN 205109351U CN 201520893209 U CN201520893209 U CN 201520893209U CN 205109351 U CN205109351 U CN 205109351U
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Abstract
The utility model provides a stench waste gas treatment system, including preliminary treatment spray column no. 1, preliminary treatment spray column no. 2, low temperature plasma equipment, activated carbon adsorption tank, preliminary treatment spray column no. 1 passes through the pipe connection with preliminary treatment spray column no. 2, the exit end of preliminary treatment spray column no. 2 with low temperature plasma equipment is connected, the exit end of low temperature plasma equipment with activated carbon adsorption tank's exit end is connected, activated carbon adsorption tank's an exit end and a fan are connected. Activated carbon adsorption tank air intake section increases the inspection window, can check the in service behavior of the interior active carbon of active carbon absorption tower at any time, finds in time whether blocking phenomenon appears in the active carbon. The stench can effectively be got rid of to whole equipment, takes up an area of for a short time, and the operational effect is showing.
Description
Technical field
The utility model relates to a kind of foul waste gas treatment system.
Background technology
Stench is defined as: all gaseous matters stimulating olfactory organ to cause people's unhappiness and damage living environment.Industrial production, municipal wastewater, Treatment of Sludge and refuse disposal facility etc. are the main sources of foul gas.In recent years, along with the development of producing, China's city odor pollution problem becomes day by day serious, and the cry administering stench is more and more higher.The processing method of current stench has a lot, but mostly takes up an area large, and operational effect is poor.
Utility model content
The shortcoming of prior art in view of the above, the purpose of this utility model is to provide a kind of foul waste gas treatment system, and effectively can remove stench, take up an area little, operational effect is remarkable.
For achieving the above object and other relevant objects, the utility model provides a kind of foul waste gas treatment system, comprise pretreatment spray column one, pretreatment spray column two, low-temperature plasma equipment, active carbon adsorption case, described pretreatment spray column one is connected with pretreatment spray column two-way piping, the port of export of described pretreatment spray column two and described low-temperature plasma equipment connection, the port of export of described low-temperature plasma equipment is connected with the port of export of described active carbon adsorption case, and the port of export of described active carbon adsorption case is connected with a blower fan.
Preferably, the air inlet of described active carbon adsorption case adopts the enterprising formula in front end, and the air inlet of described active carbon adsorption case is provided with inspection window.Can check the service condition of active carbon in activated carbon adsorber at any time, whether Timeliness coverage active carbon there is clogging.
Preferably, the adsorption section of described active carbon adsorption case is provided with active carbon film preprocessing part.Can dust in the pending gas of pretreatment, effectively prevent dust to the blocking of active carbon, thus cause the decline of activated carbon adsorptive capacity.
Preferably, described pretreatment spray column one and pretreatment spray column two adopt PP material, and described low-temperature plasma equipment adopts stainless steel.
Preferably, the top of described pretreatment spray column one and pretreatment spray column two is provided with water injector, and middle part is provided with mesh mist eliminator, for carrying out steam separation, effectively improves steam separating effect.
Preferably, the water injector of described pretreatment spray column one and pretreatment spray column two adopts the arrangement of several layers of nozzle, and the nozzle of adjacent two layers is interlaced arrangement, and the distance of adjacent two layers nozzle is 1-2m.
Preferably, the voltage of described low-temperature plasma equipment is 18000V DC voltage.
As mentioned above, a kind of foul waste gas treatment system of the present utility model, has following beneficial effect: system intake stack adapter direction is flexible, can 360 degree random pipelines of accessing from all directions of docking; Pretreatment spray column adopts mesh mist eliminator to carry out steam separation, effectively improves steam separating effect; Low-temperature plasma equipment adopts high-voltage DC power supply, produces high voltage electric field, improves security performance; Active carbon adsorption case increases activated charcoal membrane pretreatment section newly, can dust in the pending gas of pretreatment, effectively prevents dust to the blocking of active carbon, thus causes the decline of activated carbon adsorptive capacity.Active carbon adsorption case air inlet section increases inspection window, and can check the service condition of active carbon in activated carbon adsorber at any time, whether Timeliness coverage active carbon occurs clogging.Whole equipment effectively can remove stench, and take up an area little, operational effect is remarkable.
Accompanying drawing explanation
Fig. 1 is a kind of overall structure schematic diagram of foul waste gas treatment system.
Element numbers illustrates:
1-pretreatment spray column one, 2-pretreatment spray column two, 3-low-temperature plasma equipment, 4-active carbon adsorption case, 5-blower fan, 41-check window.
Detailed description of the invention
By particular specific embodiment, embodiment of the present utility model is described below, person skilled in the art scholar the content disclosed by this description can understand other advantages of the present utility model and effect easily.
Refer to Fig. 1.Notice, structure, ratio, size etc. that this description institute accompanying drawings illustrates, content all only in order to coordinate description to disclose, understand for person skilled in the art scholar and read, and be not used to limit the enforceable qualifications of the utility model, therefore the not technical essential meaning of tool, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under effect that the utility model can produce and the object that can reach, still all should drop on technology contents that the utility model discloses and obtain in the scope that can contain.Simultaneously, quote in this description as " on ", D score, "left", "right", " centre " and " one " etc. term, also only for ease of understanding of describing, and be not used to limit the enforceable scope of the utility model, the change of its relativeness or adjustment, under changing technology contents without essence, when being also considered as the enforceable category of the utility model.
As Fig. 1, the utility model provides a kind of foul waste gas treatment system, comprise pretreatment spray column 1, pretreatment spray column 22, low-temperature plasma equipment 3, active carbon adsorption case 4, described pretreatment spray column 1 is connected by pipeline with pretreatment spray column 22, the port of export of described pretreatment spray column 22 is connected with described low-temperature plasma equipment 3, the port of export of described low-temperature plasma equipment 3 is connected with the port of export of described active carbon adsorption case 4, and the port of export of described active carbon adsorption case 4 is connected with a blower fan 5.
In the present embodiment, the air inlet of described active carbon adsorption case 4 adopts the enterprising formula in front end, and the air inlet of described active carbon adsorption case 4 is provided with and checks window 41.Can check the service condition of active carbon in activated carbon adsorber at any time, whether Timeliness coverage active carbon there is clogging.
In the present embodiment, the adsorption section of described active carbon adsorption case 4 is provided with active carbon film preprocessing part.Can dust in the pending gas of pretreatment, effectively prevent dust to the blocking of active carbon, thus cause the decline of activated carbon adsorptive capacity.
In the present embodiment, described pretreatment spray column 1 and pretreatment spray column 22 adopt PP material, and described low-temperature plasma equipment 3 adopts stainless steel.
In the present embodiment, the top of described pretreatment spray column 1 and pretreatment spray column 22 is provided with water injector, and middle part is provided with mesh mist eliminator, for carrying out steam separation, effectively improves steam separating effect.
In the present embodiment, the water injector of described pretreatment spray column 1 and pretreatment spray column 22 adopts the arrangement of several layers of nozzle, and the nozzle of adjacent two layers is interlaced arrangement, and the distance of adjacent two layers nozzle is 1-2m.
In the present embodiment, the voltage of described low-temperature plasma equipment 3 is 18000V DC voltage.
The waste gas that waste water station anaerobic pond is collected, first through pretreatment spray column one and pretreatment spray column two, utilizes the part odorous substance in oxidizing absorption waste gas, makes high concentration foul smell be reduced to middle concentration foul smell; After peroxidating, the gases such as the sulfur-containing compound in foul smell, ammonia are oxidized to the corrosive substances such as sulfur dioxide, and for preventing follow-up equipment to be corroded, gas, through soda acid spray absorber, absorbs the corrosive substance in process gas; Be processed into complete equipment pretreatment through industrial waste gas of plasma in low temperature again through the pretreated waste gas of above secondary, utilize high voltage electric field, puncture and decompose oxidation foul smell molecule, reduce odor concentration; Last foul smell, again through charcoal absorption process, is finally guaranteed up to standard and sends into chimney 15 meters of high-altitude qualified discharges through blower fan.
The mechanism that pretreatment spray column one and pretreatment spray column two process waste gas is: make filler with glue flower, and using the liquid containing chemicals as spray liquid, dewater unit is installed at top.Just liquid film is formed when time in spray liquid to filler, this liquid film makes gas-liquid two-phase contact area increase, make it abundant contact, in the process of this contact, physical dissolution and chemical reaction process occur between liquid phase and gas phase, thus the oxious component in waste gas is removed.Spray liquid circulated sprinkling in scrubbing tower uses, and when after use a period of time, need the recirculated water that regularly outer row more renews, the water of outer row need enter Waste Water Treatment process.
The operation principle of low-temperature plasma equipment: be the low temperature plasma produced by point discharge by high-frequency and high-voltage electric field on the basis of corona discharge, in discharge process, electronics obtains energy from electric field, by inelastic collision by Conversion of Energy be to pollute in molecule can or kinetic energy, these molecules obtaining energy are excited or ionization occur and form active group, simultaneously in air oxygen and moisture under the effect of high energy electron, also can produce a large amount of hydrogen in statu nascendis, active oxygen and hydroxyl oxygen isoreactivity group, the mutual collision rift of these active groups just causes the physics of series of complex, chemical reaction.Form as can be seen from the active group of plasma, high chemically-active particle is rich in plasma inside, as electronics, ion, free radical and excited state molecule etc.Polluter in waste gas and these active groups with higher-energy react, and finally change into the materials such as CO2 and H2O, thus reach the object of purifying exhaust air.
Experimentally result, and combine the external data adopting oxidative treatment waste gas, substantially determine mechanism and the primary product of the various organic exhaust gas component of plasma for purification device processes.Vapor phase contaminants as mainly contained in foul waste gas pollutant has H2S, NH3, CH3SH, VOCs(organic compound) etc.
The main path that low-temperature plasma equipment removes above-mentioned pollutant has two: one to be under the high instantaneous energy effect of high energy electron, opens the chemical bond of some pernicious gas molecule, makes its Direct Resolution become simple substance atom or harmless molecule; Two is become harmless products at a large amount of high energy electron, ion, excited state particle with the oxidation Decomposition under the effect such as oxygen radical, hydroxyl free radical (free radical is because having very strong activity with unpaired electron).
The absorption operation principle of active carbon adsorption case: be utilize the characteristic of charcoal absorption that the organic solvent in low concentration Wind Volume waste gas is adsorbed onto in active carbon also concentrated, directly emptying through charcoal absorption purified gas, its essence is the process of an Adsorption Concentration, organic solvent is not disposed.It is a physical process.Active carbon adsorption, under low-concentration organic exhaust gas condition, can be removed volatile organic matter in waste gas ideally, have preferably economic benefit simultaneously.Therefore in kitchen air contaminant control, particularly suitable process is containing low-concentration organic exhaust gas.After charcoal absorption is saturated, need to change, the active carbon of replacing, owing to having adsorbed a large amount of organic principles, needs the outer process of committee.Replacement frequency: be generally replacing in 3 months and once (adjust according to practical operation situation).
Former anaerobic pond toxic emission stench value is 17000(dimensionless), through treatment system of the present utility model, existing chimney exhaust outlet toxic emission stench value is 2000(dimensionless), reach discharging standards.
As mentioned above, a kind of foul waste gas treatment system that the utility model provides, system intake stack adapter direction is flexible, can 360 degree random pipelines of accessing from all directions of docking; Pretreatment spray column adopts mesh mist eliminator to carry out steam separation, effectively improves steam separating effect; Low-temperature plasma equipment adopts high-voltage DC power supply, produces high voltage electric field, improves security performance; Active carbon adsorption case increases activated charcoal membrane pretreatment section newly, can dust in the pending gas of pretreatment, effectively prevents dust to the blocking of active carbon, thus causes the decline of activated carbon adsorptive capacity.Active carbon adsorption case air inlet section increases inspection window, and can check the service condition of active carbon in activated carbon adsorber at any time, whether Timeliness coverage active carbon occurs clogging.Whole equipment effectively can remove stench, and take up an area little, operational effect is remarkable.So the utility model effectively overcomes various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present utility model and effect thereof only, but not for limiting the utility model.Any person skilled in the art scholar all without prejudice under spirit of the present utility model and category, can modify above-described embodiment or changes.Therefore, such as have in art and usually know that the knowledgeable modifies or changes not departing from all equivalences completed under the spirit and technological thought that the utility model discloses, must be contained by claim of the present utility model.
Claims (7)
1. a foul waste gas treatment system, it is characterized in that: comprise pretreatment spray column one, pretreatment spray column two, low-temperature plasma equipment, active carbon adsorption case, described pretreatment spray column one is connected with pretreatment spray column two-way piping, the port of export of described pretreatment spray column two and described low-temperature plasma equipment connection, the port of export of described low-temperature plasma equipment is connected with the port of export of described active carbon adsorption case, and the port of export of described active carbon adsorption case is connected with a blower fan.
2. a kind of foul waste gas treatment system according to claim 1, is characterized in that: the air inlet of described active carbon adsorption case adopts the enterprising formula in front end, and the air inlet of described active carbon adsorption case is provided with inspection window.
3. a kind of foul waste gas treatment system according to claim 2, is characterized in that: the adsorption section of described active carbon adsorption case is provided with active carbon film preprocessing part.
4. a kind of foul waste gas treatment system according to claim 1, is characterized in that: described pretreatment spray column one and pretreatment spray column two adopt PP material, and described low-temperature plasma equipment adopts stainless steel.
5. a kind of foul waste gas treatment system according to claim 1, is characterized in that: the top of described pretreatment spray column one and pretreatment spray column two is provided with water injector, and middle part is provided with mesh mist eliminator.
6. a kind of foul waste gas treatment system according to claim 5, is characterized in that: described water injector adopts the arrangement of several layers of nozzle, and the nozzle of adjacent two layers is interlaced arrangement, and the distance of adjacent two layers nozzle is 1-2m.
7. a kind of foul waste gas treatment system according to any claim of claim 1 to 6, is characterized in that: the voltage of described low-temperature plasma equipment is 18000V DC voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520893209.5U CN205109351U (en) | 2015-11-11 | 2015-11-11 | Stench waste gas treatment system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520893209.5U CN205109351U (en) | 2015-11-11 | 2015-11-11 | Stench waste gas treatment system |
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| CN205109351U true CN205109351U (en) | 2016-03-30 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105833677A (en) * | 2016-04-19 | 2016-08-10 | 中国石油化工股份有限公司 | Method and equipment for treating volatile organic compounds by low-temperature plasma coupling adsorption |
| CN109745830A (en) * | 2017-11-06 | 2019-05-14 | 上海伊尔庚环境工程有限公司 | A kind of method and device of cooperation-removal VOCs |
| CN110314493A (en) * | 2019-07-29 | 2019-10-11 | 江苏鑫林环保设备有限公司 | A kind of exhaust air deodorization system and its working method applied to wastewater containing phenol and cyanide processing |
| CN113209822A (en) * | 2021-06-22 | 2021-08-06 | 龙岩烟草工业有限责任公司 | Exhaust gas purification system |
-
2015
- 2015-11-11 CN CN201520893209.5U patent/CN205109351U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105833677A (en) * | 2016-04-19 | 2016-08-10 | 中国石油化工股份有限公司 | Method and equipment for treating volatile organic compounds by low-temperature plasma coupling adsorption |
| CN109745830A (en) * | 2017-11-06 | 2019-05-14 | 上海伊尔庚环境工程有限公司 | A kind of method and device of cooperation-removal VOCs |
| CN110314493A (en) * | 2019-07-29 | 2019-10-11 | 江苏鑫林环保设备有限公司 | A kind of exhaust air deodorization system and its working method applied to wastewater containing phenol and cyanide processing |
| CN113209822A (en) * | 2021-06-22 | 2021-08-06 | 龙岩烟草工业有限责任公司 | Exhaust gas purification system |
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