CN205323536U - Waste gas purifier - Google Patents

Abstract

The utility model relates to a carry out purification treatment's waste gas purifier to low concentration organic waste gas, has solved among the prior art defect that liquid sprayed the purifying effect that reduces organic waste gas, including the main tank body, the front end of the main tank body is connected with the air intake, and the rear end of the main tank body is connected with the air outlet, and the main tank is internal to be provided with multiple exhaust gas purification device, and the internal one end of being close to the air intake of main tank is provided with the filtration purification device, and the middle part of the main tank body is provided with plasma purifier, and the internal position that is close to the air outlet of main tank is provided with photocatalysis purifier. The main tank is internal to be provided with multiple purifier, and these purifier mutually combine, purifies organic waste gas through multiple purification mode, and purifying effect is relatively good.

Description

Catalytic converter

Technical field

This utility model relates to a kind of gas purification and processes equipment, especially a kind of catalytic converter that low-concentration organic exhaust gas carries out purified treatment。

Background technology

In each production industry, particularly in industries such as oil, rubber, paint, application, furniture, household electrical appliances, printings, these industries can produce the organic exhaust gas of more low concentration in production, and these organic exhaust gas are contained within benzene class, ketone, alcohols, esters, ethers and alkanes composition。These organic exhaust gas be usually present inflammable and explosive, poisonous and harmful, water insoluble, be dissolved in organic solvent, feature that intractability is big, and the amount of the organic exhaust gas produced in producing is also relatively larger。Such as: the nervus centralis of benzene type organic many infringements people, nervous system disorders is caused, when benzene vapor excessive concentration (in air, content reaches 2%), it is possible to cause the acute poisoning of lethal；Benzoic acid type organic can make cell protein deform or solidify, and causes systemic toxicity profiles；Organic substance Nitrobenzol affects nervous system, blood phase regulating liver-QI, spleen organ dysfunction, if widespread skin absorption can causing death；Polycyclic aromatic hydrocarbon Organic substance has strong carcinogenecity。

The administering method of organic exhaust gas mainly has 2 classes, and a class is absorption method。Absorption method is by physical method, under uniform temperature, pressure, carrys out separation of VOCs (VOC8) by the method such as selective absorbent and permoselective membrane, mainly includes activated carbon adsorption, pressure-variable adsorption, condensation method and biomembrance process etc.。Another kind of is method of elimination, method of elimination is by chemistry or biological respinse, use up, Organic substance is converted into water and carbon dioxide by heat, catalyst and microorganism etc., mainly includes thermal oxide, catalysis burning, biological oxidation, corona method, plasma decomposition, photolysis method etc.。

Patent Office of the People's Republic of China discloses a CN201085978Y patent on July 16th, 2008, name is called organic waste gas purifier, this depurator includes casing and connected dipper, several filler import is had above main box, equipped with filler access cover on it, four groups of filler supports it are fixed with in main box, movable adsorption stuffing it is provided with between filler support, dash filler and catalytic oxidation filler, equipped with service main before filler support B and C, subfeeder and shower nozzle also constitute two spray lattice, before and after main box, down either side respectively has visor, main box one end is provided with air outlet and end socket, the other end is provided with air intake vocal mimicry end socket。What this purification utensil organic exhaust gas adopted is the mode of liquid spray, liquid spray can remove a part of dust granule in organic exhaust gas, make it decline, removing in organic exhaust gas some Organic substances being dissolved in liquid simultaneously, but the effect of spray is poor, some Organic substances can not be fully contacted with liquid, cause this organic emission, some Organic substance is likely to not dissolve in liquid, and this partial organic substances is directly discharged, and reduces the clean-up effect of organic exhaust gas。

Summary of the invention

This utility model solves the defect that the spray of liquid in prior art reduces the clean-up effect of organic exhaust gas, it is provided that one kind of multiple absorption patterns combine the catalytic converter of the clean-up effect improving organic exhaust gas。

This utility model solves its technical problem and be the technical scheme is that a kind of catalytic converter, including main box, the front end of main box is connected to air inlet, the rear end of main box is connected to air outlet, multi-exhaust gas purification device it is provided with in main box, in main box, the one end near air inlet is provided with filtering and purifying, and the middle part of main box is provided with plasma purifier, and in main box, the position near air outlet is provided with smell photocatalysis purifier。Organic exhaust gas enters from air inlet, multi-exhaust gas purification device in main box, waste gas purification apparatus, by decomposition, carbonization or oxidations such as the Organic substance in organic exhaust gas such as benzene class, ketone, alcohols, esters, ethers and alkanes compositions, is discharged from air outlet through the gas purified；Organic exhaust gas is through filtering and purifying, first filter adsorbed for the particulate materials such as the dust in organic exhaust gas, the dust concentration in the organic exhaust gas of outflow is made to be substantially reduced, thus ensureing the normal operation of plasma purifier, more balanced through the concentration of the organic exhaust gas of filtering and purifying；Producing electric field after plasma purifier energising, in electric field, corona can discharge a large amount of electric charge, and organic exhaust gas, through plasma purifier, is clashed into by a large amount of electric charges, and the example in waste gas, by highly ionized, fully decomposes, carbonization；The Organic substances such as the toluene in discarding, dimethylbenzene, then through smell photocatalysis purifier, are carried out oxidation Decomposition by a large amount of ozone, thus reaching the purpose of organic waste-gas purification by the waste gas after plasma high voltage electric field。

As preferably, being provided with multiple slot in main box, each purifier in main box adopts modular construction, and multiple modular purifiers are respectively fixed in the slot of correspondence。Various purifiers are fixed in main box by slot, install more convenient, as long as the profile of purifier is corresponding with the size of slot, main box is just conveniently extended by this, or the kind of the purifier that change is within main box。

As preferably, main box inwall is fixed with multiple angle steel, the multiple slot of angle steel composition positioned opposite, and the profile of the size of slot and each purifier matches。Angle steel composition slot, draws materials conveniently, and the shape matching of angle steel is reasonable, can fix each purifier。

As preferably, being fixed with electric box in main box, electric box is between filtering and purifying and plasma purifier, and main box top is fixed with metallic channel, and electric box is connected with plasma purifier and smell photocatalysis purifier by metallic channel。Electric box provides power supply to each purifier, provides power supply especially to plasma purifier and smell photocatalysis purifier, and electric energy is transported to each purifier from metallic channel。

As preferably, the plasma purifier in main box totally two, electrical connection in parallel, smell photocatalysis purifier is one, electrically connects with plasma purifier parallel connection。Two plasma purifiers form two-layer configuration, and the waste gas purified through first time plasma purifier can be purified by plasma purifier again that be in rear, improves the effect purified。

As preferably, plasma purifier includes casing and the positive plate being arranged in casing and minus plate, and positive plate interval is fixed in a row, minus plate interval is fixed in a row, two rows are parallel to each other, and minus plate interlocks with mutual plate, the space between corresponding two adjacent cathode plate of positive plate。Organic exhaust gas space between positive plate and minus plate, during energising, produces electric field between positive plate and minus plate, the Organic substance in waste gas is clashed into by the substantial amounts of electric charge in electric field, and Organic substance is by highly ionized, fully decomposition, carbonization。

As preferably, the inner surface up and down of casing is fixed with positive plate support and minus plate support, positive plate support and minus plate support and is steel angle structure。Positive plate and minus plate are vertically fixed, and two ends are fixed by angle steel, draw materials conveniently, fixation。

As preferably, more than the quantity of positive plate one of the quantity of minus plate, positive plate and the V-shaped groove structure of minus plate, the bottom of V-shaped groove is plane, positive plate and minus plate are vertically fixed in casing, the oral area of V-shaped groove is towards same direction, and the oral area of the V-shaped groove of minus plate is towards positive plate, and the trough rim of the V-shaped groove of positive plate is laciniation。V-shaped groove forms horn mouth, and edge is sawtooth, forms the electric discharge of bell-mouthed sawtooth, and ventilation effect is good, increases processing area, and in discharge process, ozone content is high, improves treatment effect。

As preferably, smell photocatalysis purifier includes casing and the ultraviolet germicidal lamp arranging in casing, and ultraviolet germicidal lamp outer cover is equipped with quartz socket tube, and quartz socket tube is vertically fixed。Ultraviolet germicidal lamp produces substantial amounts of ozone, and the Organic substances such as the toluene in waste gas, dimethylbenzene are carried out oxidation Decomposition by ozone；Quartz socket tube can protect ultraviolet germicidal lamp。

As preferably, filtering and purifying includes coating cloud filter cotton device and mechanical filter net, and in main box, air outlet one end is provided with mechanical filter net。

The beneficial effects of the utility model are: be provided with multiple purifier in main box, and these purifiers be combined with each other, and by multiple purification style, organic exhaust gas are purified, and clean-up effect is relatively good。

Accompanying drawing explanation

Fig. 1 is that this utility model one uses structural representation；

Fig. 2 is this utility model one structural representation；

Fig. 3 is the structural representation of a kind of coating cloud filter cotton of this utility model；

Fig. 4 is the structural representation of a kind of mechanical filter net of this utility model；

Fig. 5 is the structural representation of a kind of plasma purifier of this utility model；

Fig. 6 is the structural representation of the envelope of plasma purifier shown in this utility model Fig. 5；

Fig. 7 is the inside top figure of plasma purifier shown in this utility model Fig. 5；

Fig. 8 is the structural representation of the positive plate of plasma purifier shown in this utility model Fig. 5；

Fig. 9 is the structural representation of the minus plate of plasma purifier shown in this utility model Fig. 5；

Figure 10 is the structural representation of a kind of smell photocatalysis purifier of this utility model；

In figure: 1, ventilation shaft, 2, blower fan, 3, catalytic converter, 4, air outlet, 5, mechanical filter net, 6, smell photocatalysis purifier, 7, metallic channel, 8, plasma purifier, 9, main box, 10, air inlet, 11, coating cloud filter cotton, 12, cotton hole, 13, mesh, 14, minus plate, 15, casing, 16, minus plate support, 17, bearing, 18, positive plate support, 19, positive plate, 20, sawtooth, 21, ultraviolet germicidal lamp, 22, quartz socket tube。

Detailed description of the invention

Below by specific embodiment, and in conjunction with accompanying drawing, the technical solution of the utility model is described in further detail。

Embodiment: a kind of catalytic converter (referring to accompanying drawing 2), including main box 9, the front end of main box is connected to air inlet 10, and the rear end of main box is connected to air outlet 4。

The inwall of main box is fixed with multiple angle steel, the multiple slot of angle steel composition positioned opposite, is fixed with a waste gas purification apparatus in a slot, and each waste gas purification apparatus is modular construction, and the size of slot and the overall dimensions of waste gas purification apparatus match。Coating cloud filter cotton 11, mechanical filter net 5, electric box, two plasma purifiers 8 arranged side by side, a smell photocatalysis purifier 6 and mechanical filter net 5 it is fixed with successively from the air inlet of main box to air outlet。Being fixed with the metallic channel 7 of flute profile on main box, plasma purifier, smell photocatalysis purifier are electrically connected with electric box by metallic channel。

Coating cloud filter cotton (referring to accompanying drawing 3) has the housing of tetragon, with several circular cotton holes 12 being evenly arranged on aerosol filter cotton。Mechanical filter net (referring to accompanying drawing 4) has the housing of tetragon, and mechanical filter is provided with the mesh 13 of the tetragon being evenly arranged on the net。Coating cloud filter cotton and mechanical filter net mutually compress and are formed in first slot that a modular construction is fixed to close main box air inlet。

Plasma purifier (referring to accompanying drawing 5 accompanying drawing 6 accompanying drawing 7 accompanying drawing 8 accompanying drawing 9) totally two, is connected in parallel by metallic channel。Plasma purifier includes casing 15 and the positive plate 19 being arranged in casing 15 and minus plate 14。The inner surface up and down of casing is respectively and fixedly provided with positive plate support 18 and minus plate support 16, positive plate support and minus plate support and is steel angle structure, is connected fixing between minus plate support and interior by bearing 17。Positive plate 19 is vertically fixed on positive plate support, and positive plate interval is fixed in a row。Minus plate 14 is vertically fixed on minus plate support, and minus plate interval is fixed in a row, and two rows are parallel to each other, and minus plate interlocks with mutual plate, the space between corresponding two adjacent cathode plate of positive plate。More than the quantity of positive plate one of the quantity of minus plate, positive plate and the V-shaped groove structure of minus plate, the bottom of V-shaped groove is plane, positive plate and minus plate are vertically fixed in casing, the oral area of V-shaped groove is towards same direction, the oral area of the V-shaped groove of minus plate is towards positive plate, and the trough rim of the V-shaped groove of positive plate is sawtooth 20 shape structure。

Smell photocatalysis purifier include casing and arrange in casing ultraviolet germicidal lamp 21(referring to accompanying drawing 10), ultraviolet germicidal lamp outer cover is equipped with quartz socket tube 22, and quartz socket tube is vertically fixed。

Catalytic converter 3 is installed on the ventilation shaft 1 with waste gas (referring to accompanying drawing 1), and ventilation shaft has air intake and air-out, and organic waste gas purifier is provided with blower fan 2 on the ventilation shaft between the air intake of ventilation shaft, catalytic converter 3 and outlet air end。

Blower fan works, organic exhaust gas is entered from the air intake of ventilation shaft, enter from the air inlet of catalytic converter, first pass through coating cloud filter cotton and the filtering and purifying of mechanical filter net composition, removing the dust granules shape material in organic exhaust gas, be then passed through two-stage plasma purifier, plasma purifier energising produces electric field, a large amount of electric charges of waste gas corona discharge in electric field clash into, and the particle in waste gas is by highly ionized, fully decomposition, carbonization；Through the waste gas of plasma purifier then through ultraviolet catalytic purifier, the Organic substances such as the toluene in waste gas, dimethylbenzene are carried out oxidation Decomposition by a large amount of ozone that ultraviolet germicidal lamp produces, the last granule produced through purification by mechanical filter net absorption waste gas, finally discharging from the outlet air end of ventilation shaft, purification efficiency is higher。

Embodiment described above is a kind of preferred version of the present utility model, not this utility model is done any pro forma restriction, also has other variant and remodeling under the premise without departing from the technical scheme described in claim。

Claims (10)

1. a catalytic converter, including main box, the front end of main box is connected to air inlet, the rear end of main box is connected to air outlet, multi-exhaust gas purification device it is provided with in main box, it is characterized in that in main box, one end of close air inlet is provided with filtering and purifying, the middle part of main box is provided with plasma purifier, and in main box, the position near air outlet is provided with smell photocatalysis purifier。

2. catalytic converter according to claim 1, it is characterised in that be provided with multiple slot in main box, each purifier in main box adopts modular construction, and multiple modular purifiers are respectively fixed in the slot of correspondence。

3. the profile of catalytic converter according to claim 1, it is characterised in that main box inwall is fixed with multiple angle steel, the multiple slot of angle steel composition positioned opposite, the size of slot and each purifier matches。

4. the catalytic converter according to claim 1 or 2 or 3, it is characterized in that being fixed with in main box electric box, electric box is between filtering and purifying and plasma purifier, main box top is fixed with metallic channel, and electric box is connected with plasma purifier and smell photocatalysis purifier by metallic channel。

5. catalytic converter according to claim 1, it is characterised in that the plasma purifier in main box totally two, electrical connection in parallel, smell photocatalysis purifier is one, electrically connects with plasma purifier parallel connection。

6. the catalytic converter according to claim 1 or 2 or 3 or 5, it is characterized in that plasma purifier includes casing and the positive plate being arranged in casing and minus plate, positive plate interval is fixed in a row, minus plate interval is fixed in a row, two rows are parallel to each other, minus plate interlocks with mutual plate, the space between corresponding two adjacent cathode plate of positive plate。

7. catalytic converter according to claim 6, it is characterised in that the inner surface up and down of casing is fixed with positive plate support and minus plate support, positive plate support and minus plate support and is steel angle structure。

8. catalytic converter according to claim 6, it is characterized in that more than the quantity of positive plate one of the quantity of minus plate, positive plate and the V-shaped groove structure of minus plate, the bottom of V-shaped groove is plane, positive plate and minus plate are vertically fixed in casing, the oral area of V-shaped groove is towards same direction, and the oral area of the V-shaped groove of minus plate is towards positive plate, and the trough rim of the V-shaped groove of positive plate is laciniation。

9. the catalytic converter according to claim 1 or 2 or 3 or 5, it is characterised in that smell photocatalysis purifier includes casing and the ultraviolet germicidal lamp arranging in casing, and ultraviolet germicidal lamp outer cover is equipped with quartz socket tube, and quartz socket tube is vertically fixed。

10. the catalytic converter according to claim 1 or 2 or 3 or 5, it is characterised in that filtering and purifying includes coating cloud filter cotton device and mechanical filter net, and in main box, air outlet one end is provided with mechanical filter net。