CN213556284U

CN213556284U - Photochemical decomposition dust collector of industrial VOC waste gas

Info

Publication number: CN213556284U
Application number: CN202021888134.9U
Authority: CN
Inventors: 陈智通; 梁丽秀
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-02
Filing date: 2020-09-02
Publication date: 2021-06-29
Anticipated expiration: 2030-09-02

Abstract

The utility model discloses an actinic decomposition dust collector of industrial VOC waste gas in the technical field of waste gas treatment, which comprises a waste gas treatment box, wherein the top of the waste gas treatment box is fixedly connected with a purification box, the top of the purification box is provided with a liquid inlet, the top of the inner cavity of the waste gas treatment box is fixedly connected with an ultraviolet lamp tube, the bottom of the inner cavity of the waste gas treatment box is fixedly provided with a water pump, the output end of the water pump is in threaded connection with a liquid conveying tube, oxygen molecules in the air are decomposed through ultraviolet rays, so as to generate free oxygen, the free oxygen can be combined with the oxygen molecules due to unbalance of positive and negative electrons under the catalysis of a catalysis rod, so as to form ozone, and the VOC waste gas in the waste gas treatment box is oxidized and reduced, so that a large amount of organic waste gas in the waste gas is oxidized into harmless water and carbon, the emission of harmful gases is reduced.

Description

Photochemical decomposition dust collector of industrial VOC waste gas

Technical Field

The utility model relates to a waste gas treatment technical field specifically is a photochemical decomposition dust collector of industrial VOC waste gas.

Background

With the increasing environmental problems, people pay more and more attention to the environmental problems and reduce or reduce the environmental pollution through various ways. Currently, inhalable particles have become an important source of air quality hazard, and volatile organic compounds are one of the major sources that constitute inhalable particles. At present, mainly from industrial production, in various occasions using organic solvents, such as spray painting, printing, metal oil removal and degreasing, adhesives, volatile organic compounds pollute air all the time, and in addition, the environmental protection investment is insufficient, so that the emission of a large amount of industrial VOC (volatile organic compound) waste gas is caused, the quality of the atmospheric environment is reduced, and serious harm is brought to the human health. The existing device generally adopts activated carbon adsorption or spray liquid absorption when treating industrial VOC waste gas, but the purification effect is general, and the cost is higher, and the spray liquid can not be recycled, which causes the waste of resources, therefore, we propose a photochemical decomposition dust removal device for industrial VOC waste gas.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an actinic decomposition dust collector of industrial VOC waste gas to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the photochemical decomposition dust removal device for the industrial VOC waste gas comprises a waste gas treatment box, wherein the top of the waste gas treatment box is fixedly connected with a purification box, the top of the purification box is provided with a liquid inlet, the top of an inner cavity of the waste gas treatment box is fixedly connected with an ultraviolet lamp tube, the bottom of the inner cavity of the waste gas treatment box is fixedly provided with a water pump, an output end of the water pump is in threaded connection with a liquid conveying tube, one end of the liquid conveying tube, which is far away from the water pump, extends to the outside of the waste gas treatment box and is in threaded connection with a mixed pipeline, one end of the mixed pipeline, which is far away from the liquid conveying tube, extends to the inside of the waste gas treatment box and is fixedly connected with one side of the inner wall of the waste gas treatment box, the top end of the middle part of the mixed pipeline is fixedly connected, the inside of the waste gas treatment box is fixedly connected with a vent plate below the high-pressure nozzle, the inside of the vent plate is provided with a vent hole, the bottom of the vent plate is fixedly connected with a catalytic rod, the lower part of one side of the waste gas treatment box is provided with a waste gas inlet, the upper part of the other side of the waste gas treatment box is provided with a waste gas outlet, one side of the waste gas treatment box provided with the waste gas inlet is fixedly provided with a motor, the motor is positioned below the waste gas inlet, the output end of the motor is welded with a stirring rod, one side of the stirring rod, which is far away from the motor, extends into the waste gas treatment box and is positioned below the catalytic rod, the outer surfaces of the waste gas inlet, the waste gas outlet and a liquid outlet pipeline are respectively provided with an electromagnetic valve, the front end surface of the waste gas treatment box is provided with a box door and a controller, and a control button is arranged on the other side of the outer surface of the controller.

Preferably, the catalytic rods are arranged in seven groups and are distributed at equal intervals in the horizontal direction.

Preferably, the rotary switch can rotate by three hundred sixty degrees, and the control buttons are arranged in two rows, three in each row, and are uniformly distributed at equal intervals.

Preferably, the high-pressure nozzles are arranged in fourteen positions and are uniformly distributed at equal intervals in the horizontal direction.

Preferably, the ultraviolet lamp tubes are arranged in two numbers and are respectively positioned on two sides of the top of the inner cavity of the waste gas treatment box.

Preferably, the solution inside the decontamination box is a hydrogen peroxide oxidizer.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of reasonable design, decompose the oxygen molecule in the air through the ultraviolet ray, thereby produce free oxygen, under the catalytic action of catalysis stick, free oxygen can combine with the oxygen molecule because positive negative electron is unbalanced, thereby form ozone, and carry out redox to the VOC waste gas of exhaust-gas treatment incasement portion, make a large amount of organic waste gas in the waste gas oxidate into harmless water and carbon dioxide, thereby greatly improved the purification efficiency of waste gas, the emission of harmful gas has been reduced, again through water pump and purifying box to mixing duct inside transport clear water and oxidant, and spray to exhaust-gas treatment incasement portion through high-pressure nozzle, make a large amount of dust in the VOC waste gas and the waste gas of water-soluble be absorbed by the mixed solution, and the oxidant that contains in the mixed solution can carry out the oxidation treatment of second step to waste gas, thereby make VOC in the waste gas be handled cleaner, the bottom that mixed solution sprayed the back and can flow to the exhaust-gas treatment case, and carry the hybrid tube once more through the water pump, thereby make clear water and the oxidant that does not use up can reuse once more, the waste of the water resource that has significantly reduced and oxidant, energy-concerving and environment-protective effect has been reached, it rotates still to drive the puddler through the motor at last, thereby can stir the bubble in the mixed liquid of exhaust-gas treatment bottom of the case portion and smash and clear away, thereby avoided the bubble to get into the water pump inside and cause the damage to the blade of water pump.

Drawings

FIG. 1 is a schematic view of the overall internal structure of the present invention;

FIG. 2 is a front view of the overall structure of the present invention;

fig. 3 is a top view of the air permeable plate of the present invention.

In the figure: 1. a waste gas treatment tank; 2. a stirring rod; 3. a motor; 4. an exhaust gas inlet; 5. a gas permeable plate; 6. a high pressure nozzle; 7. an ultraviolet lamp tube; 8. a purification box; 9. a liquid inlet; 10. a liquid outlet pipeline; 11. an electromagnetic valve; 12. an exhaust gas outlet; 13. a mixing duct; 14. a catalytic rod; 15. a transfusion tube; 16. a water pump; 17. a box door; 18. a controller; 19. a rotary switch; 20. a control button; 21. and (4) air holes.

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.

Referring to fig. 1, fig. 2 and fig. 3, the present invention provides the following technical solutions: a photochemical decomposition dust removal device for industrial VOC waste gas comprises a waste gas treatment box 1, the top of the waste gas treatment box 1 is fixedly connected with a purification box 8, the top of the purification box 8 is provided with a liquid inlet 9, the top of an inner cavity of the waste gas treatment box 1 is fixedly connected with an ultraviolet lamp tube 7, the bottom of the inner cavity of the waste gas treatment box 1 is fixedly provided with a water pump 16, the output end of the water pump 16 is in threaded connection with a liquid conveying pipe 15, one end of the liquid conveying pipe 15, far away from the water pump 16, extends to the outside of the waste gas treatment box 1 and is in threaded connection with a mixing pipeline 13, one end of the mixing pipeline 13, far away from the liquid conveying pipe 15, extends to the inside of the waste gas treatment box 1 and is fixedly connected with one side of the inner wall of the mixing pipeline 13, the top end of the middle of the mixing pipeline 13 is fixedly connected with a liquid outlet pipeline 10, a vent plate 5 is fixedly connected below a high-pressure nozzle 6 in the waste gas treatment box 1, a vent hole 21 is formed in the vent plate 5, a catalysis rod 14 is fixedly connected at the bottom of the vent plate 5, a waste gas inlet 4 is formed in the lower part of one side of the waste gas treatment box 1, a waste gas outlet 12 is formed in the upper part of the other side of the waste gas treatment box 1, a motor 3 is fixedly installed at one side of the waste gas treatment box 1, the motor 3 is positioned below the waste gas inlet 4, a stirring rod 2 is welded at the output end of the motor 3, one side of the stirring rod 2, which is far away from the motor 3, extends into the waste gas treatment box 1 and is positioned below the catalysis rod 14, electromagnetic valves 11 are installed on the outer surfaces of the waste gas inlet 4, the waste gas outlet 12 and a liquid outlet pipeline 10, a box door 17 and a controller 18 are installed on the surface of the front end of, a rotary switch 19 is arranged on one side of the outer surface of the controller 18, a control button 20 is arranged on the other side of the outer surface of the controller 18, the motor 3, the water pump 16, the electromagnetic valve 11 and the ultraviolet lamp tube 7 are electrically connected with the controller 18 and a power supply through wires, the catalytic rod 14 is made of a TiO2 photocatalytic material, the motor 3 is Y2-200L-4, and the water pump 16 is ISG 100-250B;

referring to fig. 1, seven catalytic rods 14 are arranged at equal intervals along the horizontal direction, and the reaction is faster by the synergistic effect of the catalytic rods 14, so that the absorption efficiency of ozone on VOC exhaust gas is greatly improved;

referring to fig. 2, the rotary switch 19 can rotate three hundred and sixty degrees, the control buttons 20 are arranged in two rows, three in each row, and are uniformly distributed at equal intervals, and different electrical appliances are controlled by different control buttons 20, so that an operator can more conveniently turn on different electrical appliances, and the convenience of work is greatly improved;

referring to fig. 1, fourteen high-pressure nozzles 6 are arranged at equal intervals along the horizontal direction, and the spraying effect is better due to the synergistic effect of the high-pressure nozzles 6;

referring to fig. 1, two ultraviolet lamp tubes 7 are arranged and are respectively located on two sides of the top of the inner cavity of the exhaust gas treatment box 1, so that the ultraviolet intensity is higher and the treatment effect on the exhaust gas is better;

referring to fig. 1, the solution inside the purification box 8 is a hydrogen peroxide oxidant, and the hydrogen peroxide has strong oxidizing property, is not easy to volatilize, and has extremely strong stability.

The working principle is as follows: an operator firstly introduces the waste gas into the waste gas treatment box 1 from the waste gas inlet 4, then the controller 18 starts the ultraviolet lamp tube 7, the water pump 16 and the electromagnetic valve 11 on the liquid outlet pipeline 10 to ensure that the ultraviolet lamp tube 7 emits ultraviolet rays, the high-pressure nozzle 6 sprays mixed liquid, oxygen molecules in the air are decomposed through the ultraviolet rays to generate free oxygen, the free oxygen is combined with the oxygen molecules due to unbalance of positive and negative electrons under the catalytic action of the catalytic rod 14 to form ozone, and the VOC waste gas in the waste gas treatment box 1 is oxidized and reduced to ensure that a large amount of organic waste gas in the waste gas is oxidized into harmless water and carbon dioxide, thereby greatly improving the purification efficiency of the waste gas, reducing the emission of harmful gas, conveying clear water and oxidant into the mixed pipeline 13 through the water pump 16 and the purification box 8, and spraying into the waste gas treatment box 1 through the high-pressure nozzle 6, so that a large amount of dust and water-soluble waste gas in the VOC waste gas are absorbed by the mixed solution, and the oxidant contained in the mixed solution can carry out the second-step oxidation treatment on the waste gas, so that the VOC in the waste gas is treated cleaner, the mixed solution can flow to the bottom of the waste gas treatment box 1 after being sprayed, and is conveyed to the mixed pipeline 13 again through the water pump 16, so that clean water and the unused oxidant can be reused, the waste of water resources and the oxidant is greatly reduced, the energy-saving and environment-friendly effects are achieved, finally, the stirring rod 2 is driven to rotate through the motor 3, so that bubbles in the mixed solution at the bottom of the waste gas treatment box 1 can be smashed and removed, the bubbles are prevented from entering the water pump 16 to damage blades of the water pump 16, according to the actual situation, an operator can open the electromagnetic valve 11 on the waste gas outlet 12 after a period of, and discharging the treated waste gas.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an actinic decomposition dust collector of industrial VOC waste gas, includes exhaust-gas treatment case (1), its characterized in that: the top of the waste gas treatment box (1) is fixedly connected with a purification box (8), the top of the purification box (8) is provided with a liquid inlet (9), the top of the inner cavity of the waste gas treatment box (1) is fixedly connected with an ultraviolet lamp tube (7), the bottom of the inner cavity of the waste gas treatment box (1) is fixedly provided with a water pump (16), the output end of the water pump (16) is in threaded connection with a liquid conveying tube (15), one end of the liquid conveying tube (15), far away from the water pump (16), extends to the outside of the waste gas treatment box (1) and is in threaded connection with a mixed pipeline (13), one end of the mixed pipeline (13), far away from the liquid conveying tube (15), extends to the inside of the waste gas treatment box (1) and is fixedly connected with one side of the inner wall of the mixed pipeline (13), the middle top end of the mixed pipeline (13) is fixedly connected with a liquid outlet pipeline (10), one end of the liquid outlet, the bottom end of the mixing pipeline (13) inside the waste gas treatment box (1) is fixedly connected with a high-pressure nozzle (6), the lower part of the waste gas treatment box (1) inside the waste gas treatment box (6) is fixedly connected with a vent plate (5), the inside of the vent plate (5) is provided with a vent hole (21), the bottom of the vent plate (5) is fixedly connected with a catalytic rod (14), the lower part of one side of the waste gas treatment box (1) is provided with a waste gas inlet (4), the upper part of the other side of the waste gas treatment box (1) is provided with a waste gas outlet (12), one side of the waste gas treatment box (1) provided with the waste gas inlet (4) is fixedly provided with a motor (3), the motor (3) is positioned below the waste gas inlet (4), the output end of the motor (3) is welded with a stirring rod (2), one side of the stirring rod (2) far away from the motor (3) extends to the, and be located the below of catalysis stick (14), solenoid valve (11) are all installed to the surface of waste gas import (4), exhaust outlet (12) and play liquid pipeline (10), the front end surface mounting of exhaust-gas treatment case (1) has chamber door (17) and controller (18), controller (18) are located the below of chamber door (17), rotary switch (19) are installed to surface one side of controller (18), control button (20) are installed to the opposite side of controller (18) surface.

2. The apparatus for removing dust by photochemical decomposition of industrial VOC exhaust gas according to claim 1, wherein: the catalytic rods (14) are arranged in seven parts and are distributed at equal intervals along the horizontal direction.

3. The apparatus for removing dust by photochemical decomposition of industrial VOC exhaust gas according to claim 1, wherein: the rotary switch (19) can rotate by three hundred and sixty degrees, and the control buttons (20) are provided with two rows, three in each row, and are uniformly distributed at equal intervals.

4. The apparatus for removing dust by photochemical decomposition of industrial VOC exhaust gas according to claim 1, wherein: the high-pressure nozzles (6) are arranged in fourteen positions and are evenly distributed along the horizontal direction at equal intervals.

5. The apparatus for removing dust by photochemical decomposition of industrial VOC exhaust gas according to claim 1, wherein: the ultraviolet lamp tubes (7) are arranged in two and are respectively positioned on two sides of the top of the inner cavity of the waste gas treatment box (1).

6. The apparatus for removing dust by photochemical decomposition of industrial VOC exhaust gas according to claim 1, wherein: the solution in the purifying box (8) is hydrogen peroxide oxidant.