CN204121951U - A kind of plasma waste gas treating device - Google Patents
A kind of plasma waste gas treating device Download PDFInfo
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- CN204121951U CN204121951U CN201420308863.0U CN201420308863U CN204121951U CN 204121951 U CN204121951 U CN 204121951U CN 201420308863 U CN201420308863 U CN 201420308863U CN 204121951 U CN204121951 U CN 204121951U
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- plasma
- gas treatment
- exhaust
- waste gas
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Abstract
The utility model discloses a kind of plasma waste gas treating device, comprise the heat plasma exhaust-gas treatment stove, metallic fiber sintered felt filter and the low temperature plasma exhaust gas treatment unit that are connected successively.The high efficiency process that the utility model make use of the high temperature of hot plasma, concentration of energy characteristic achieves exhaust-gas treatment; Make use of the compactness of metallic fiber sintered felt filtration core, filtration that stable performance, long-life realize gas-solid mixing gas; Make use of the active group final purification of low temperature plasma.Effluent after the process of the utility model device is the solid dust collected and by the mist being mainly divided into carbon dioxide, vaporous water forms, waste gas end product after process does not have secondary pollution problem, this plasma that the utility model proposes and metallic fiber sintered felt filter binding technique, for exhaust-gas treatment provides desirable approach.
Description
Technical field
The utility model relates to a kind of plasma waste gas treating device, particularly relates to the emission-control equipment that a kind of heat plasma module and stainless steel fibre felt module, low-temperature plasma block combiner use.
Background technology
In the market to the exhaust fumes produced for the treatment of welding, scolding tin plant area, the harmful exhaust such as VOC, formaldehyde, triphen that paint, spraying plating, baking finish produce, the gas with foreign flavor that rubber, plastic production produce, all kinds of harmful poisonous gas produced when chemical industry, pharmacy, and night soil plant, sewage treatment plant's foul smell is by adopting following processing method:
1, masking method adopts stronger aromatic odor and foul smell to admix, and to shelter foul smell, makes it to be received by people.The method can eliminate stench impact as early as possible, and flexibility is large, and the low but odor pollutant of expense is not removed.
2, dilute diffusion method and frowziness ground gas is drained into air by chimney, or use odorless Dilution air, reduce odorant concentration to reduce stink.The method is subject to meteorological condition restriction and odorant still exists.
3, at high temperature odorant and fuel gas are fully mixed for flame combustion method, realize burning completely.The method purification efficiency is high, and odorant is decomposed by exhaustive oxidation, but equipment is perishable, consume fuel, and processing cost is high, easily forms secondary pollution.
4, odorant is distributed in the mixed liquid containing activated sludge, by the microbial degradation odorant of suspension growth with aeration form by aeration type activated sludge deodorization method.The method is by the restriction of aeration intensity, and application has certain limitation.
5, the water absorption method characteristic that utilizes Cucumber in foul smell soluble in water, makes foul smell composition directly contact with water, thus is dissolved in water and reaches deodorization object.The method technique is simple, convenient management, and equipment operation expense is low, but certainly leads to secondary pollution, need process cleaning solution; Purification efficiency is low, need with other technologies conbined usage, to mercaptan, the poor processing effect such as aliphatic acid.
6, liquid absorption process utilizes Cucumber and liquid in foul smell to produce the characteristic of chemical reaction, removes some foul smell composition.The method can process some foul smell composition targetedly, and technique is more ripe, but purification efficiency is not high, consumes absorbent, is easily formed and secondary pollution.
7, absorption method utilizes the adsorption function of adsorbent to make odorant be transferred to solid phase by gas phase.The method purification efficiency is very high, can process multi-component stink gas, but adsorbent somewhat expensive, regenerate more difficult, require that pending foul gas has lower temperature and dustiness.
For all drawbacks of above common exhaust-gas treatment, the utility model adopts advanced plasma technique and metallic fiber sintered filter medium technology, combinationally uses to process waste gas.
utility model content
The purpose of this utility model is the deficiency overcoming existing VOCs treatment, a kind of plasma waste gas treating device is provided, this device, by plasma technique and metallic fiber sintered filter medium technology, combinationally uses to process waste gas, to solve the problem proposed in above-mentioned background technology.
To achieve these goals, the utility model realizes by the following technical solutions:
A kind of plasma waste gas treating device, comprises heat plasma exhaust-gas treatment stove, metallic fiber sintered felt filter and low temperature plasma exhaust gas treatment unit; Described heat plasma exhaust-gas treatment furnace bottom device has slag collection device, and the air inlet of heat plasma exhaust-gas treatment stove is connected with admission line, and gas outlet is connected with metallic fiber sintered felt filter; The bottom device of described metallic fiber sintered felt filter has dust arrester, and the gas outlet of metallic fiber sintered felt filter is connected with low temperature plasma exhaust gas treatment unit; Described low temperature plasma exhaust gas treatment unit is connected with discharge duct.
As further scheme of the present utility model, described heat plasma exhaust-gas treatment stove comprises heat plasma generator.
As further scheme of the present utility model, described heat plasma generator is the steady air carrier plasma generator of magnetic, comprises hot plasma power supply, coil, negative electrode, anode.
As further scheme of the present utility model, described cathode material adopts the metal material of high conductivity or nonmetallic materials to make.
As further scheme of the present utility model, described anode is made up of high conductivity, high thermal conductivity and oxidation resistant metal material.
As further scheme of the present utility model, described metallic fiber sintered felt filter comprises filter assemblies, electric control pulse scavenger system, injection tube and gas control butterfly valve, wherein, electric control pulse scavenger system cooperation injection tube and gas control butterfly valve can according to interior thorax air inlet, the poor blowing purifications automatically realizing filter assemblies of outlet pressure, after preventing long-play, fine particle attachment blocking on the filter in waste gas.
As further scheme of the present utility model, the hollow cylindrical filter core group that described filter assemblies stainless steel fibre makes or netted filter screen.
As further scheme of the present utility model, described low temperature plasma exhaust gas treatment unit comprises chamber and the low-temperature plasma module of device in chamber, the low-temperature plasma generator technology that this low-temperature plasma module adopts the critical spark based on high frequency corona discharge plasma to control, the plasma concentration on exhaust-gas treatment passage and discharge process power requirement can be met, described chamber is also provided with as spare space for subsequent use/access hole.
In sum, the utility model has following beneficial effect compared with conventional art:
1, hot plasma has the characteristic of extreme temperatures, concentration of energy, has very high treatment effeciency to waste gas;
2, low-temperature plasma body unit adopts the exclusive low-temperature plasma generator technology controlled based on the critical spark of high frequency corona discharge plasma, can meet the plasma concentration on exhaust-gas treatment passage and discharge process power requirement;
3, be the solid dust collected and by the mist being mainly divided into carbon dioxide, vaporous water forms via the effluent after the process of the utility model device, the waste gas end product after process does not have secondary pollution problem.
4, the high efficiency process that the utility model takes full advantage of the high temperature of hot plasma, concentration of energy characteristic achieves exhaust-gas treatment; Make use of the compactness of metallic fiber sintered felt filtration core, filtration that stable performance, long-life realize gas-solid mixing gas; Make use of the active group final purification of low temperature plasma.
5, high-tech novelty: " hot plasma ", " low temperature plasma " technology are the electrochemical process under the comprehensive functions such as electronics, chemistry, catalysis, it is a brand-new technological innovation field, rely on plasma at the chemical bond energy of the strong electric field energy high-temperature oxydation decomposition produced instantaneously, ionization, cracking pernicious gas, thus destroy emission molecule structure, reach purification object;
6, efficiency of waste gas purification: the utility model efficiently can remove the major pollutants such as volatile organic matter (VOC), inorganic matter, hydrogen sulfide, ammonia, thio-alcohol, and various foul smell, odor removal efficient can reach more than 98%, for the stench filling the air for a long time, accumulate, peculiar smell, can dispel in 24 hours, and there is brute force and kill the various microorganism ability of bacterium, virus etc. in air, and there is obvious mildew-proof function;
7, without the need to adding any material: the exhaust-gas treatment that the utility model relates to is a kind of dry cleaning process, be a kind of brand-new purification process, running, without the need to adding any additive, does not produce waste water, waste residue, can not cause secondary pollution;
8, strong adaptability: lasting purification function, need not special messenger keep an eye on, and can adapt to the purified treatment of high concentration, atm number, different gaseous material, and high temperature 20 DEG C, in the environment of low temperature-50 DEG C, purifying area all can operate;
Still can normally run under the environment of 9, moisture-saturated, every day 24 continuous throughout the twenty-four hour24, longtime running is reliable and stable;
10, equipment strong modularity: the corresponding conventional exhaust abatement equipment of the utility model, lightweight, volume is little, can according to exhaust gas concentration, flow, composition carries out going here and there and Combination Design reaches waste gas purification completely.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is heat plasma exhaust-gas treatment furnace structure schematic diagram described in the utility model;
Fig. 3 is heat plasma exhaust-gas treatment stove fundamental diagram described in the utility model;
Fig. 4 is metallic fiber sintered felt filter structure schematic representation described in the utility model.
Detailed description of the invention
Below in conjunction with the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment 1
As Figure 1-4, a kind of plasma waste gas treating device, comprises heat plasma exhaust-gas treatment stove 1, metallic fiber sintered felt filter 2 and low temperature plasma exhaust gas treatment unit 3, described heat plasma exhaust-gas treatment stove 1 bottom device has slag collection device 6, the air inlet 4 of heat plasma exhaust-gas treatment stove 1 is connected with admission line 10, gas outlet 5 is connected with metallic fiber sintered felt filter 2, heat plasma generator 12 in heat plasma exhaust-gas treatment stove 1 is the steady air carrier plasma generator of magnetic, comprise hot plasma power supply 13, coil 16, negative electrode 15, anode 14(as shown in Figure 3), wherein, negative electrode 15 material adopts the metal material of high conductivity or nonmetallic materials to make, negative electrode 15 and anode 14 all adopt water-cooling pattern, impact to bear high arc temperature, this coil 16 has the DC voltage breakdown capability of anti-2000V in high temperature 250 DEG C of situations, hot plasma power supply 13 adopts full-wave rectification and has constant current performance, the bottom device of described metallic fiber sintered felt filter 2 has dust arrester 7, the gas outlet of metallic fiber sintered felt filter 2 is connected with low temperature plasma exhaust gas treatment unit 3, metallic fiber sintered felt filter 2 comprises filter assemblies 17, electric control pulse scavenger system 18, injection tube 19 and gas control butterfly valve 20(are as shown in Figure 4), wherein, filter assembly 17 with the stainless steel fibre of very thin (being the most carefully 3 μMs) for filter material, the applied environment different according to scene, hollow cylindrical filter core group or netted filter screen can be prepared into, electric control pulse scavenger system 18 coordinates injection tube 19 and gas control butterfly valve 20 can according to interior thorax air inlet, outlet pressure difference realizes the blowing purification of metallic fiber sintered felt filter 2 automatically, after preventing long-play, fine particle attachment blocking on the filter in waste gas, described low temperature plasma exhaust gas treatment unit 3 is connected with discharge duct 9.
Wherein, heat plasma generator 12 operation principle is: first set output current, after negative electrode 15 advances the contact of same anode 14, form loop, because whole system has the ability of Short Circuit withstand and current constant is constant, when negative electrode 15 slowly leaves anode 14 under motor drag, electric arc is formed between negative electrode 15 and anode 14, the air of certain pressure is by after electric arc, and be ionized as high temperature air plasma, its energy density is up to 10
5~ 10
6w/cm
2.Described low temperature plasma exhaust gas treatment unit 3 comprises chamber and the low-temperature plasma module 21 of device in chamber, the low-temperature plasma generator technology that this low-temperature plasma module 21 adopts the critical spark based on high frequency corona discharge plasma to control, the plasma concentration on exhaust-gas treatment passage and discharge process power requirement can be met, low-temperature plasma module 21 adopts modularized design, and this module can according to different application environmental requirement flexible configurations.Low-temperature plasma module 21 is controlled by low-temperature plasma electrical source, electric field is exported by circuit of measurement and control closed-loop control ion generator main circuit, according to critical spark state electricity physical features, voltage magnitude between dynamic adjustments plasma generator both positive and negative polarity and pulsewidth etc., make it to reach critical spark state, make plasma concentration reach maximum and can continue to keep.SPWM technology is used for during plasma high voltage source controls by this power supply, have principle simple, control and adjusting function good, there is the various features such as harmonic carcellation, adjustment and regulated output voltage, output voltage amplitude, frequency dynamic continuously adjustabe.For subsequent use/access hole 22 is spare space, can increase low-temperature plasma module according to customer requirement, can also as access hole.
Operation principle of the present utility model is as follows:
Pending waste gas enters heat plasma exhaust-gas treatment stove 1 through admission line 10, heat plasma exhaust-gas treatment stove 1 produces thermal plasma torch 11(thermal plasma torch 11 heating-up temperature by heat plasma generator 12 and is not less than 1500 DEG C), realize the complete oxidation combustion decomposition of organic particle under high temperature, oxidizing fire solids is collected by slag collection device 6; After hot plasma process, tail gas enters metallic fiber sintered felt filter 2 through gas outlet 5.After hot plasma process, tail gas enters metallic fiber sintered felt filter 2, filter assemblies 17 realizes two phases (Gu, gaseous state) to this mist and is separated, be separated into solid particle dust and secondary waste gas, solid particle dust is collected by dust arrester 7, and metallic fiber sintered felt filter 2 filters rear tail gas and enters low temperature plasma exhaust gas treatment unit 3 through exporting 8.Waste gas enters low temperature plasma exhaust gas treatment unit 3 to be processed into main component is further carbon dioxide and water vapour is that main final emission is discharged in air through discharge duct 9.
To those skilled in the art, obvious the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the utility model.
In addition, be to be understood that, although this description is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of description is only for clarity sake, those skilled in the art should by description integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
Claims (8)
1. a plasma waste gas treating device, is characterized in that, comprises heat plasma exhaust-gas treatment stove, metallic fiber sintered felt filter and low temperature plasma exhaust gas treatment unit; Described heat plasma exhaust-gas treatment furnace bottom device has slag collection device, and the air inlet of heat plasma exhaust-gas treatment stove is connected with admission line, and gas outlet is connected with metallic fiber sintered felt filter; The bottom device of described metallic fiber sintered felt filter has dust arrester, and the gas outlet of metallic fiber sintered felt filter is connected with low temperature plasma exhaust gas treatment unit; Described low temperature plasma exhaust gas treatment unit is connected with discharge duct.
2. a kind of plasma waste gas treating device according to claim 1, is characterized in that, described heat plasma exhaust-gas treatment stove comprises heat plasma generator.
3. a kind of plasma waste gas treating device according to claim 2, is characterized in that, described heat plasma generator is the steady air carrier plasma generator of magnetic, comprises hot plasma power supply, coil, negative electrode, anode.
4. a kind of plasma waste gas treating device according to claim 3, is characterized in that, described negative electrode adopts the metal material of high conductivity or nonmetallic materials to make.
5. a kind of plasma waste gas treating device according to claim 3, is characterized in that, described anode is made up of metal material.
6. a kind of plasma waste gas treating device according to claim 1, it is characterized in that, described metallic fiber sintered felt filter comprises filter assemblies, electric control pulse scavenger system, injection tube and gas control butterfly valve, wherein, electric control pulse scavenger system cooperation injection tube and gas control butterfly valve can according to interior thorax air inlet, the poor blowing purifications automatically realizing filter assemblies of outlet pressure.
7. a kind of plasma waste gas treating device according to claim 6, is characterized in that, described filter assemblies is the hollow cylindrical filter core group of stainless steel fibre making or netted filter screen.
8. a kind of plasma waste gas treating device according to claim 1, it is characterized in that, described low temperature plasma exhaust gas treatment unit comprises chamber and the low-temperature plasma module of device in chamber, wherein, chamber is also provided with the access hole for subsequent use as spare space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420308863.0U CN204121951U (en) | 2014-06-11 | 2014-06-11 | A kind of plasma waste gas treating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420308863.0U CN204121951U (en) | 2014-06-11 | 2014-06-11 | A kind of plasma waste gas treating device |
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| Publication Number | Publication Date |
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| CN204121951U true CN204121951U (en) | 2015-01-28 |
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ID=52378342
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420308863.0U Expired - Fee Related CN204121951U (en) | 2014-06-11 | 2014-06-11 | A kind of plasma waste gas treating device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104096460A (en) * | 2014-06-11 | 2014-10-15 | 武汉高特维电气有限公司 | Plasma waste gas treatment device |
| CN110975538A (en) * | 2019-11-09 | 2020-04-10 | 上海硕余精密机械设备有限公司 | Plasma torch and tail gas treatment system |
-
2014
- 2014-06-11 CN CN201420308863.0U patent/CN204121951U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104096460A (en) * | 2014-06-11 | 2014-10-15 | 武汉高特维电气有限公司 | Plasma waste gas treatment device |
| CN110975538A (en) * | 2019-11-09 | 2020-04-10 | 上海硕余精密机械设备有限公司 | Plasma torch and tail gas treatment system |
| CN110975538B (en) * | 2019-11-09 | 2022-08-26 | 上海硕余精密机械设备有限公司 | Plasma torch and tail gas treatment system |
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Legal Events
| 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: 20150128 Termination date: 20170611 |
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| CF01 | Termination of patent right due to non-payment of annual fee |