CN209901042U - Microwave catalytic spraying exhaust-gas treatment all-in-one - Google Patents
Microwave catalytic spraying exhaust-gas treatment all-in-one Download PDFInfo
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- CN209901042U CN209901042U CN201920417986.0U CN201920417986U CN209901042U CN 209901042 U CN209901042 U CN 209901042U CN 201920417986 U CN201920417986 U CN 201920417986U CN 209901042 U CN209901042 U CN 209901042U
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Abstract
The utility model provides a microwave catalytic spraying exhaust-gas treatment all-in-one belongs to organic waste gas treatment technical field. The microwave photo-oxidation catalytic reactor comprises a primary filtering part positioned at the bottom, a microwave photo-oxidation catalytic part positioned above the primary filtering part, and an activated carbon adsorption and desorption part positioned on the side of the microwave photo-oxidation catalytic part; the bottom of the primary filter is connected with a waste gas inlet, a centrifugal fan is installed on the side of the activated carbon adsorption and desorption part, and the centrifugal fan is connected with a waste gas outlet. The utility model discloses collect filtration, microwave light oxygen, activated carbon adsorption and detach and attach in an organic whole, responded the environmental protection theory of national policy and social development, but continuous operation, the operation is reliable and stable, effectively improves the treatment effect of the waste gas that sprays paint, realizes renewable utilization, guarantees the health of the operation personnel that sprays paint.
Description
Technical Field
The utility model belongs to the technical field of organic waste gas treatment, concretely relates to microwave catalytic spraying exhaust-gas treatment all-in-one.
Background
In 2013, a plurality of laws, regulations and policy measures are continuously issued by the country, and the environmental protection tax Law of the people's republic of China, which is passed by the twenty-fifth conference of the convention committee of the twelfth national representative of people, is implemented since 2018, a new air pollution prevention campaign is developed along with the emergence of policies and measures for strengthening the air pollution prevention of relevant departments, and the treatment of industrial waste gas is the most important thing for the air pollution prevention in the present and future from the view of demand combing.
The spraying waste gas is characterized in that the waste gas generated by a paint spray booth mainly comprises paint mist and volatile organic waste gas, and atomized dust particles formed by paint mist liquid paint under the action of air pressure are sticky and easily adhered to a ventilation pipeline system and waste gas treatment equipment, so that the system is unstable in operation; meanwhile, if a large amount of paint mist is directly discharged, the surrounding environment is affected. According to the characteristics of the spraying industry, paint mist and triphen waste gas (benzene, toluene and xylene) in the spraying and drying processes are treated simultaneously so as to reach relevant emission standards specified by environmental protection.
In the existing waste gas treatment process, an activated carbon adsorption method is most commonly used, is suitable for treating low concentration, requires low temperature, humidity and dust content of malodorous gas to be treated, has a removal rate of generally more than 80 percent, and is difficult to regenerate because particulate matters exist in the adsorption process of simple activated carbon and can be blocked inevitably; the thermal combustion method is suitable for treating high-concentration and small-gas-amount combustible gas, the removal rate is about 95 percent, but the thermal combustion method is not suitable for the spraying industry generally; the washing method is used for waste gas which is easy to react, the removal rate is generally more than 80%, and a large amount of volatile gas which is difficult to dissolve and stable in chemical property exists in the paint spraying waste gas, so the washing can be only used as a pretreatment measure.
The market prospect is very optimistic in view of the growth rate of 20% per year in the future in the fields of environment and resources, in particular in the treatment of industrial waste gases. Moreover, according to the characteristics of the automobile spraying industry, most enterprises have small operation area space, so that large-capacity equipment cannot be placed; almost all factories have no sewage treatment facilities, so the factors of small volume, high treatment efficiency, no water pollution and the like need to be considered for equipment selection. By combining the factors, the product integrating filtration, microwave photo-oxidation and activated carbon adsorption and desorption is designed, and the method has very important significance for efficiently treating toxic and malodorous gases and industrial waste gas emission.
SUMMERY OF THE UTILITY MODEL
The utility model provides a microwave catalysis spraying exhaust-gas treatment all-in-one, aim at realize the emission of high-efficient processing poisonous foul smell, industrial waste gas, solve above problem.
In order to achieve the above object, the utility model provides a following technical scheme:
a microwave catalytic spraying waste gas treatment integrated machine comprises a primary filtering part positioned at the bottom, a microwave photo-oxygen catalysis part positioned above the primary filtering part, and an activated carbon adsorption and desorption part positioned at the side of the microwave photo-oxygen catalysis part;
the bottom of the primary filter is connected with a waste gas inlet, and a double-layer V-shaped filter is arranged in the primary filter part; the primary filter part is provided with a pressing lock catch, and the pressing lock catch presses the V-shaped filter;
an inlet is arranged below the microwave photo-oxygen catalysis part, an outlet is arranged above the microwave photo-oxygen catalysis part, and shielding metal nets are arranged at the inlet and the outlet; a plurality of microwave modules are arranged in the microwave photo-oxygen catalysis part, and the microwave modules are uniformly distributed in the microwave photo-oxygen catalysis part; a microwave photo-oxygen cabinet door is arranged in front of the microwave module; a guide plate is arranged at the outlet of the microwave photo-oxygen catalysis part;
the activated carbon adsorption and desorption part comprises a plurality of activated carbon boxes and an activated carbon inclined support plate, and the activated carbon boxes are placed on the activated carbon inclined support plate; and a centrifugal fan is arranged on the side of the activated carbon adsorption and desorption part and is connected with a waste gas outlet.
According to an aspect of the utility model, the microwave light oxygen cabinet door adopts two divisions of forms.
According to the utility model discloses an aspect, have the large aperture bleeder vent on the active carbon bearing diagonal board.
According to an aspect of the utility model, the microwave light oxygen catalysis part with the right angle department in wind channel between the active carbon adsorption desorption part installs the arc angle.
Due to the adoption of the scheme, the beneficial effects of the utility model are that:
1. the filtering measure of the device has the advantages of low running resistance, large filtering area, small occupied space, simple structure of the device, convenient maintenance, high purifying efficiency of the filtering material, large dust holding capacity, small resistance, long service life and repeated use.
2. The device can be suitable for deodorization and purification treatment of substances with high concentration, large air volume and different malodorous gases, can continuously work for 24 hours every day, and has stable and reliable operation. High fireproof and anticorrosive performance, stable performance and long service life. The equipment has no mechanical action, no noise, no need of special person management and daily maintenance, only need of periodic inspection, low energy consumption (only consuming about 0.2 deg. of electric energy per 1000 cubic meters per hour), extremely low wind resistance of the equipment less than 100pa, and capability of saving a large amount of energy consumption of exhaust power.
3. Due to the synergistic effect of microwave photo-oxygen, the main pollutants such as Volatile Organic Compounds (VOC), inorganic substances, hydrogen sulfide, ammonia gas, thiols and the like and various malodorous gases can be efficiently removed. Only corresponding exhaust pipelines and exhaust power are needed to be arranged, so that the waste gas is decomposed and purified through the device, and no substance is needed to be added to participate in chemical reaction. The malodorous gas does not need special pretreatment such as heating, humidifying and the like, the temperature of the working environment of the equipment is between 30 ℃ below zero and 95 ℃, the humidity is between 30 percent and 98 percent, and the PH value is between 2 and 13.
4. Realized activated carbon adsorption desorption regeneration and utilized, the exhaust-gas treatment all-in-one that sprays paint can realize the activated carbon desorption after the saturation, decomposes through microwave light oxygen the waste gas that the desorption was volatilized, can not produce because the secondary pollution that the desorption produced, has saved use cost and manual work greatly.
5. The method responds to the environmental protection concept of national policy and social development, can effectively improve the treatment effect of the paint spraying waste gas, and ensures the health of the paint spraying operators.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a right side view of the present invention.
Description of reference numerals: the device comprises a V-shaped filter 1, a pressing lock catch 2, a shielding metal net 3, a microwave module 4, a microwave photo-oxidation cabinet door 5, an activated carbon box 6, an activated carbon inclined supporting plate 7, a guide plate 8, an arc-shaped angle 9, a primary effect filtering part 11, a microwave photo-oxidation catalyzing part 12 and an activated carbon adsorption and desorption part 13.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model has the following structure:
referring to fig. 1, the utility model discloses a vertical structure frame, waste gas gets into equipment through the bottom, produces the negative pressure through centrifugal fan (note: centrifugal fan is not drawn for convenient observation in the figure) in one side of equipment and sucks up waste gas up to standard and discharge to the atmosphere, and the equipment structure includes the triplex: the microwave photo-oxidation catalytic reactor comprises a primary filtering part 11 positioned at the bottom, a microwave photo-oxidation catalytic part 12 positioned above the primary filtering part 11, and an activated carbon adsorption and desorption part positioned on the side of the microwave photo-oxidation catalytic part 12.
First, primary filter portion 11, see fig. 2:
the primary filter part 11 is arranged at the bottom of the equipment, a double-layer V-shaped filter 1 is adopted, the filter can be pulled, the filter area is large, and the dust holding capacity is multiplied.
The design has the pressure hasp 2 on the initial effect filter part 11, compresses tightly 1 hasp formula of V type filter, can realize opening the apron of filter chamber fast, is convenient for inspection and maintenance.
Second, microwave photo-oxidation catalytic part 12, see fig. 2:
the lower part of the microwave photo-oxygen catalysis part 12 is an inlet, the upper part thereof is an outlet, and the inlet and the outlet are respectively added with a shielding metal net 3, thereby reducing the leakage of microwaves and simultaneously increasing the luminous efficiency of the microwave photo-oxygen, thereby improving the treatment efficiency.
The microwave photo-oxidation catalysis part 12 internally comprises a plurality of microwave modules 4, and the microwave modules 4 are uniformly distributed, so that microwave radiation can be emitted at each corner in the cavity.
Microwave light oxygen cabinet door 5 is installed in microwave module 4 the place ahead, and microwave light oxygen cabinet door 5 adopts two divisions, can open the electric cabinet door of first layer, also can open the cavity door and take out the lamp support.
And thirdly, an activated carbon adsorption and desorption part 13, which is shown in fig. 2 and 3:
the activated carbon adsorption and desorption part 13 comprises a plurality of activated carbon boxes 6, and the activated carbon boxes 6 adopt a modular design and a side plug mode, so that the activated carbon adsorption and desorption part is convenient to install and maintain.
Activated carbon box 6 is placed on activated carbon bearing diagonal board 7, and activated carbon bearing diagonal board 7 is large aperture air-permeable plate, can well support the activated carbon and can reach good ventilation effect, and the swash plate has increased adsorption area, makes activated carbon adsorption effect better.
Fourthly, designing a ventilation structure:
a guide plate 8 is designed at the outlet of the microwave photo-oxygen catalysis part 12, and when wind blows to the activated carbon box 6 from the microwave photo-oxygen cavity, the guide plate 8 can effectively reduce wind resistance.
The arc-shaped angle 9 is added to the right-angle part of the air duct, so that dead angles are reduced, and the air duct is favorable for discharging air.
The principle of the utility model is as follows:
primary filtering: can produce a large amount of particulate matters and spraying in technologies such as car sprays paint and polish, a large amount of particulate matters and spraying not only can block up air pipe, also can influence terminal treatment facility's normal treatment effect simultaneously, so need through preliminary treatment after, the product adopts multistage V type filter, integrate in light oxygen catalytic apparatus front end, the waste gas through preliminary treatment gets into the reaction that can be better when light oxygen catalytic reaction like this.
Microwave photo-oxygen catalysis: the method can thoroughly decompose toxic and harmful substances in the malodorous gas, can achieve a perfect deodorization effect, and the decomposed malodorous gas can achieve harmless emission, does not produce secondary pollution, and simultaneously achieves the effects of efficient disinfection and sterilization. According to the special butt joint of the characteristics of the automobile protection industry, the arrangement is compact, and the occupied space is small.
Activated carbon: the activated carbon is a carbon-containing material which is black in appearance, developed in internal pore structure, large in specific surface area and strong in adsorption capacity. After filtration and microwave photo-oxidation catalysis, the exhaust gas contacts with porous active carbon with a large surface, pollutants in the exhaust gas are adsorbed, and the pollutants are separated from the gas mixture to play a role in purification.
The embodiments described above are described to facilitate understanding and application of the present patent to those of ordinary skill in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the embodiments herein, and those skilled in the art should understand that modifications and alterations made without departing from the scope of the present invention are within the protection scope of the present invention.
Claims (4)
1. The utility model provides a microwave catalytic spraying exhaust-gas treatment all-in-one which characterized in that: the microwave photo-oxidation catalytic reactor comprises a primary filtering part positioned at the bottom, a microwave photo-oxidation catalytic part positioned above the primary filtering part, and an activated carbon adsorption and desorption part positioned on the side of the microwave photo-oxidation catalytic part;
the bottom of the primary filter is connected with a waste gas inlet, and a double-layer V-shaped filter is arranged in the primary filter part; the primary filter part is provided with a pressing lock catch, and the pressing lock catch presses the V-shaped filter;
an inlet is arranged below the microwave photo-oxygen catalysis part, an outlet is arranged above the microwave photo-oxygen catalysis part, and shielding metal nets are arranged at the inlet and the outlet; a plurality of microwave modules are arranged in the microwave photo-oxygen catalysis part, and the microwave modules are uniformly distributed in the microwave photo-oxygen catalysis part; a microwave photo-oxygen cabinet door is arranged in front of the microwave module; a guide plate is arranged at the outlet of the microwave photo-oxygen catalysis part;
the activated carbon adsorption and desorption part comprises a plurality of activated carbon boxes and an activated carbon inclined support plate, and the activated carbon boxes are placed on the activated carbon inclined support plate; and a centrifugal fan is arranged on the side of the activated carbon adsorption and desorption part and is connected with a waste gas outlet.
2. The microwave catalytic spraying exhaust-gas treatment all-in-one machine of claim 1, characterized in that: the microwave photo-oxygen cabinet door adopts a double-opening form.
3. The microwave catalytic spraying exhaust-gas treatment all-in-one machine of claim 1, characterized in that: the active carbon inclined support plate is provided with large-aperture air holes.
4. The microwave catalytic spraying exhaust-gas treatment all-in-one machine of claim 1, characterized in that: an arc-shaped angle is arranged at the right angle of the air channel between the microwave photo-oxygen catalysis part and the activated carbon adsorption and desorption part.
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CN201920417986.0U CN209901042U (en) | 2019-03-29 | 2019-03-29 | Microwave catalytic spraying exhaust-gas treatment all-in-one |
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CN201920417986.0U CN209901042U (en) | 2019-03-29 | 2019-03-29 | Microwave catalytic spraying exhaust-gas treatment all-in-one |
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