CN219607121U - VOCs waste gas catalytic combustion treatment facility - Google Patents

Abstract

The utility model discloses VOCs waste gas catalytic combustion treatment equipment, which comprises a catalytic combustion box body, wherein a filtering box body and an air mixing box body are arranged on the top surface of the catalytic combustion box body, an air suction fan is communicated with the top end of the air mixing box body, an air inlet pipe is connected and arranged at one end, close to the air mixing box body, of the air suction fan, a stirring box body positioned in the air mixing box body is connected and arranged at the other end of the air inlet pipe, a heat exchanger positioned in the catalytic combustion box body is communicated and arranged at the bottom end of the air mixing box body, a catalytic combustion chamber is connected and arranged at the other end of the heat exchanger, and a heat exchanger is connected and arranged at the left end of the catalytic combustion chamber. Compared with the prior art, the utility model has the advantages that: the active carbon adsorption device adsorbs the processing to VOCs waste gas earlier, then evenly mixes with air through stirring subassembly, does benefit to going on smoothly of follow-up catalytic combustion operation, and waste gas can handle once more after the burning, and convenient direct emission improves waste gas treatment's efficiency and quality.

Description

VOCs waste gas catalytic combustion treatment facility

Technical Field

The utility model relates to the technical field of VOCs waste gas treatment, in particular to VOCs waste gas catalytic combustion treatment equipment.

Background

In the prior art, a catalytic combustion device is mostly adopted for removing volatile organic compounds, and catalytic combustion is a purification method for oxidizing and decomposing combustible substances in waste gas at a lower temperature by using a catalyst, so the catalytic combustion is also called catalytic chemical conversion, most of hydrocarbon can be completely oxidized by the catalyst at the temperature of 300-450 ℃, compared with a thermal combustion method, auxiliary fuel required by the catalytic combustion is less, energy consumption is low, equipment and facilities are small, however, in the using process of the traditional waste gas treatment equipment, external air is usually directly conveyed into a waste gas pipeline, and then mixed gas of waste gas and air is conveyed into the equipment for catalytic combustion, so that the air and waste gas are extremely easy to mix unevenly, the efficiency and quality of catalytic combustion reaction are influenced, the flue gas after combustion cannot be treated, and direct emission is inconvenient.

Disclosure of Invention

The utility model aims to overcome the technical defects, and provides VOCs waste gas catalytic combustion treatment equipment which improves treatment efficiency and quality and is beneficial to direct emission.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows: the utility model provides a VOCs waste gas catalytic combustion treatment facility, includes the catalytic combustion box, catalytic combustion box top surface left end is equipped with the filter tank, filter tank right-hand member intercommunication is equipped with the air mixing box that is located catalytic combustion box top surface, air mixing box top intercommunication is equipped with the fan of bleeding, the fan of bleeding is close to air mixing box one end and is connected and be equipped with the air-supply line, the air-supply line other end is connected and is equipped with the stirring box that is located the inside of air mixing box, stirring box right side is equipped with a plurality of through-holes of giving vent to anger, air mixing box bottom intercommunication is equipped with the heat exchanger that is located the inside right side of catalytic combustion box, the heat exchanger other end is connected and is equipped with the catalytic combustion room, the connection of catalytic combustion room left end is equipped with the heat exchanger, the upper end intercommunication of heat exchanger left side is equipped with the heat outlet that runs through catalytic combustion box wall, the outside gas output tube of heat exchanger left side lower extreme intercommunication is equipped with and extends to catalytic combustion box outside.

The composition improves, the outer wall intercommunication in the left side of the filter box is equipped with waste gas air exhauster, the inside card of filter box is put and is equipped with a plurality of active carbon filter, the outer wall intercommunication in the right side of the filter box is equipped with the conveyer pipe with stirring box intercommunication, and VOCs waste gas gets into in the filter box through waste gas air exhauster and carries out filtration treatment, and active carbon filter is leading-in the stirring box through the conveyer pipe after to VOCs waste gas treatment, and the card of active carbon filter is put the framework and is conveniently changed it, guarantees filtration quality.

The improved structure is characterized in that a one-way valve is arranged in the air inlet pipe, the one-way valve prevents VOCs waste gas from overflowing the stirring box body, a rotating motor embedded into the inner wall of the air mixing box body is connected to the bottom end of the stirring box body, a vertical rotating rod positioned in the stirring box body is connected to the output end of the rotating motor, a spiral stirring blade is arranged on the vertical rotating rod, the rotating motor drives the spiral stirring blade to fully mix air and VOCs waste gas, and the catalytic combustion operation is convenient to fully proceed.

The catalytic combustion chamber is characterized in that a temperature sensor is arranged on the inner wall of the right side of the catalytic combustion chamber, and senses the temperature of catalytic combustion, so that the catalytic combustion chamber is ensured to reach proper reaction temperature.

Compared with the prior art, the utility model has the advantages that: the active carbon adsorption device adsorbs the processing to VOCs waste gas earlier, then evenly mixes with air through stirring subassembly, does benefit to going on smoothly of follow-up catalytic combustion operation, and waste gas can handle once more after the burning, and convenient direct emission improves waste gas treatment's efficiency and quality.

Drawings

Fig. 1 is a cross-sectional view of a catalytic combustion treatment apparatus for exhaust gas from VOCs in accordance with the present utility model.

As shown in the figure: 1. a catalytic combustion box; 2. a filter box; 3. an air mixing box; 4. an air extraction fan; 5. an air inlet pipe; 6. a stirring box body; 7. an air outlet through hole; 8. a heat exchanger; 9. a catalytic combustion chamber; 10. a heat exchanger; 11. a heat outlet; 12. a gas outlet pipe; 13. an exhaust blower; 14. an activated carbon filter plate; 15. a delivery tube; 16. a one-way valve; 17. a rotating motor; 18. a vertical rotating rod; 19. spiral stirring blades; 20. a temperature sensor.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, a catalytic combustion treatment device for waste gas of Volatile Organic Compounds (VOCs) comprises a catalytic combustion box body 1, wherein a filtering box body 2 is arranged at the left end of the top surface of the catalytic combustion box body 1, a waste gas exhaust fan 13 is arranged on the left side outer wall of the filtering box body 2 in a communicating manner, a plurality of activated carbon filter plates 14 are clamped and placed in the filtering box body 2, the waste gas of the VOCs is pumped into the filtering box body 2 through the waste gas exhaust fan 13 for filtering treatment, and the filtering quality of the waste gas of the VOCs is ensured when the waste gas of the VOCs is treated through the clamping and placing structure of the activated carbon filter plates 14.

The filter box body 2 right-hand member intercommunication is equipped with the air mixing box body 3 that is located the top surface of catalytic combustion box body 1, air mixing box body 3 top intercommunication is equipped with the air extraction fan 4, air extraction fan 4 is close to air mixing box body 3 one end and connects and be equipped with air-supply line 5, be equipped with check valve 16 in the air-supply line 5, check valve 16 prevents VOCs waste gas to spill over stirring box body 6, air-supply line 5 other end connection is equipped with the stirring box body 6 that is located inside air mixing box body 3, the outer wall intercommunication in filter box body 2 right side is equipped with the conveyer pipe 15 with stirring box body 6 intercommunication, and activated carbon filter 14 is leading into stirring box body 6 through conveyer pipe 15 after to VOCs waste gas treatment, opens air extraction fan 4 and leads into stirring box body 6 through air-supply line 5, stirring box body 6 bottom connection is equipped with the rotation motor 17 of embedding air mixing box body 3 inner wall, rotation motor 17 output connection is equipped with the vertical dwang 18 that is located stirring box body 6, be equipped with helical stirring leaf 19 on the vertical dwang 18, stirring box body 6 right side is equipped with a plurality of helical blade 7, and the mixed through-air mixing box body 7 that the exhaust gas of mixing box body 3 is fully overflowed through the through stirring through 17.

The air mixing box 3 bottom intercommunication is equipped with the heat exchanger 8 that is located the inside right side of catalytic combustion box 1, and waste gas gets into in the heat exchanger 8 in the catalytic combustion box 1 afterwards, preheats through heat exchanger 8, the other end connection of heat exchanger 8 is equipped with catalytic combustion room 9, and the gas after preheating is conveyed to catalytic combustion room 9 to advance at catalytic combustion room 9 and heat to reaction temperature, catalytic combustion room 9 right side inner wall is equipped with temperature sensor 20, and temperature sensor 20 senses catalytic combustion's temperature at any time, makes catalytic combustion room 9 keep suitable reaction temperature always, ensures going on smoothly of catalytic combustion work, catalytic combustion room 9 left end connection is equipped with heat exchanger 10, heat exchanger 10 left side upper end intercommunication is equipped with the heat outlet 11 that runs through catalytic combustion box 1 wall, heat exchanger 10 left side lower extreme intercommunication is equipped with and extends to the outside gas output tube 12 of catalytic combustion box 1, and the waste gas after purifying releases most heat from heat outlet 11 through the heat exchanger 10, then discharges into the atmosphere through gas output tube 12 again.

In the specific implementation of the utility model, VOCs waste gas is pumped into the filter box body 2 through the waste gas exhaust fan 13 for filtering treatment, the VOCs waste gas is led into the stirring box body 6 through the conveying pipe 15 after being treated by the activated carbon filter plate 14, air is led into the stirring box body 6 through the air inlet pipe 5 by the air suction fan 4, the VOCs waste gas is prevented from overflowing the stirring box body 6 by the one-way valve 16 in the air inlet pipe 5, the rotating motor 17 is started to drive the spiral stirring blade 19 to fully mix the air and the VOCs waste gas, the mixed gas overflows the stirring box body 6 through the air outlet through hole 7, enters the air mixing box body 3, then enters the heat exchanger 8 in the catalytic combustion box body 1, is preheated through the heat exchanger 8, the preheated gas is conveyed to the catalytic combustion chamber 9, and is heated to the reaction temperature in the catalytic combustion chamber 9, the temperature sensor 20 senses the temperature of catalytic combustion at any time, the catalytic combustion chamber 9 always keeps proper reaction temperature, the smooth progress of the catalytic combustion work is ensured, most of heat is released from the heat outlet 11 through the heat 10, then the gas is discharged into the gas output pipe 12, and finally the quality of the VOCs waste gas is changed through the heat exchanger 14 after the catalytic combustion treatment, and the filter plate is replaced, and the quality of the VOCs waste gas is finally filtered and the quality of the filter plate is ensured.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims (4)

1. VOCs waste gas catalytic combustion treatment facility, including catalytic combustion box (1), its characterized in that: the catalytic combustion box (1) top surface left end is equipped with filter box (2), filter box (2) right-hand member intercommunication is equipped with air mixing box (3) that are located catalytic combustion box (1) top surface, air mixing box (3) top intercommunication is equipped with air extraction fan (4), air extraction fan (4) are close to air mixing box (3) one end and connect and be equipped with air-supply line (5), air-supply line (5) other end connection is equipped with stirring box (6) that are located air mixing box (3) inside, stirring box (6) right side is equipped with a plurality of through-holes of giving vent to anger (7), air mixing box (3) bottom intercommunication is equipped with heat exchanger (8) that are located catalytic combustion box (1) inside right side, heat exchanger (8) other end connection is equipped with catalytic combustion chamber (9), catalytic combustion chamber (9) left end connection is equipped with heat exchanger (10), heat exchanger (10) left side upper end intercommunication is equipped with heat outlet (11) that run through catalytic combustion box (1) wall body, left side lower extreme (10) are equipped with extension to catalytic combustion box (12) outside of catalytic combustion box (1).

2. The VOCs off-gas catalytic combustion treatment apparatus according to claim 1, wherein: the novel filter box is characterized in that an exhaust gas exhaust fan (13) is arranged on the left outer wall of the filter box body (2) in a communicating mode, a plurality of activated carbon filter plates (14) are clamped inside the filter box body (2), and a conveying pipe (15) communicated with the stirring box body (6) is arranged on the right outer wall of the filter box body (2) in a communicating mode.

3. The VOCs off-gas catalytic combustion treatment apparatus according to claim 1, wherein: be equipped with check valve (16) in air-supply line (5), stirring box (6) bottom connection is equipped with rotation motor (17) of embedding air mixing box (3) inner wall, rotation motor (17) output connection is equipped with vertical dwang (18) that are located stirring box (6), be equipped with spiral stirring leaf (19) on vertical dwang (18).

4. The VOCs off-gas catalytic combustion treatment apparatus according to claim 1, wherein: the inner wall of the right side of the catalytic combustion chamber (9) is provided with a temperature sensor (20).