CN219414810U - Waste gas catalytic combustion device - Google Patents

Abstract

The utility model discloses an exhaust gas catalytic combustion device, which relates to the technical field of exhaust gas treatment and comprises a combustion box, wherein a transverse plate and a vertical plate are fixedly connected to the inner wall of the combustion box, and the transverse plate and the vertical plate are combined to form a T-shaped structure and a collecting mechanism. According to the utility model, the collecting mechanism is arranged, after the liquid in the collecting block is increased, the fixed plate moves upwards relative to the collecting block, the fixed plate moves upwards along the chute to extrude the spring, the fixed plate moves upwards to drive the baffle plate to move upwards, the baffle plate moves to cancel shielding of the water outlet, water in the collecting block flows down through the water outlet to facilitate collection and discharge of the generated water, and after enough water is adopted, the water outlet is automatically opened, so that the water can flow down through the water outlet, the water level is always kept higher than the water outlet, so that waste gas cannot be discharged through the water outlet, and the waste gas cannot leak out of the combustion box.

Description

Waste gas catalytic combustion device

Technical Field

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

Background

The catalytic combustion of the waste gas is to quickly oxidize hydrocarbon in the organic waste gas into water and carbon dioxide under the condition of low temperature under the action of a catalyst, and the catalytic combustion process is carried out in a catalytic combustion device. The organic waste gas is preheated to 200-400 deg.c in heat exchanger and then enters combustion chamber, and when it passes through the catalyst bed, the hydrocarbon molecules and oxygen molecules in the mixed gas are adsorbed on the surface of catalyst to activate them, and because the surface adsorption reduces the activation energy of reaction, the hydrocarbon and oxygen molecules are quickly oxidized at lower temperature to produce carbon dioxide and water.

When gas enters the combustion box through the air inlet pipe, waste gas reacts with the catalyst to generate carbon dioxide and water, the generated carbon dioxide is discharged through the air outlet, the generated water falls on the bottom of the box and is discharged through the water outlet pipe, in the process of discharging the water, when the water level is higher than the water outlet pipe, the water can be discharged through the water outlet pipe, but when the water level is lower than the height of the water outlet pipe, the waste gas contacts with the water outlet pipe, so that part of waste gas can be discharged through the water outlet pipe to cause leakage of the waste gas, and in order to prevent the waste gas from leaking through the water outlet pipe, the waste gas catalytic combustion device is provided.

Disclosure of Invention

The present utility model is directed to an exhaust gas catalytic combustion device, which solves the above-mentioned problems of the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides an exhaust gas catalytic combustion device, includes the combustion case, the inner wall fixedly connected with diaphragm and riser of combustion case, the diaphragm with the riser combination is T shape structure, the combustion case is collected and is discharged water through collection mechanism, collection mechanism includes: the collecting block is arranged in the transverse plate and used for collecting water, a connecting groove used for installing the collecting block is formed in the transverse plate, a fixed plate inserted into the collecting block is fixedly connected to the inner wall of the connecting groove, and a sliding groove used for sliding the fixed plate is formed in the outer wall of the collecting block; the inner wall bottom of collection piece is offered and is carried out the delivery port of discharging to water, the bottom fixedly connected with of fixed plate run through in the baffle of delivery port, the top of fixed plate with be connected with the spring between the collection piece.

As still further aspects of the utility model: the one end of combustion case is provided with the intake pipe, the other end of combustion case is provided with the blast pipe, the outer wall of combustion case is located the below of blast pipe is provided with the drain pipe, the electrical heating stick is installed to the inner wall of combustion case, the electrical heating stick is used for heating the catalyst of placing at above-mentioned combustion case inner chamber.

As still further aspects of the utility model: the outer wall of collection piece with the inner wall of spread groove is laminated mutually, the outer wall of fixed plate with the inner wall of spout is laminated mutually.

As still further aspects of the utility model: the inside of the collecting block is provided with a displacement groove for the baffle plate to slide, and the displacement groove penetrates through the water outlet.

As still further aspects of the utility model: the top of diaphragm is provided with the chute, the spread groove is located the bottom of chute.

Compared with the prior art, the utility model has the beneficial effects that:

through setting up collection mechanism, after the liquid in the collection piece increases, the fixed plate upwards displaces relative collection piece, the fixed plate upwards displaces along the spout, cause the extrusion to the spring, the fixed plate upwards displacement drives the baffle upwards and carries out the displacement, baffle displacement cancellation is to the shielding of delivery port, the water in the collection piece flows down through the delivery port, be convenient for collect and discharge the water that produces, through having the back of abundant water, the delivery port is automatic to open, make water accessible delivery port flow down, remain the water level all the time and be higher than the delivery port, thereby make waste gas unable discharge through the delivery port, and then make waste gas unable leakage play burn the case.

Drawings

FIG. 1 is a schematic diagram of an exhaust catalytic combustion device;

FIG. 2 is a cross-sectional view of a combustion box of an exhaust catalytic combustion device;

FIG. 3 is a schematic view of the installation of a collection block of an exhaust catalytic combustion device;

fig. 4 is a cross-sectional view of a collection block of an exhaust catalytic combustion device.

In the figure: 1. a combustion box; 2. an air inlet pipe; 3. an exhaust pipe; 4. a drain pipe; 5. an electric heating rod; 6. a cross plate; 7. a riser; 8. a collection mechanism; 801. collecting the blocks; 802. a connecting groove; 803. a fixing plate; 804. a chute; 805. a baffle; 806. a water outlet; 807. and (3) a spring.

Detailed Description

Referring to fig. 1-4, in the embodiment of the present utility model, the water collecting device comprises a combustion box 1, wherein a transverse plate 6 and a vertical plate 7 are fixedly connected to the inner wall of the combustion box 1, the transverse plate 6 and the vertical plate 7 are combined to form a T-shaped structure, the combustion box 1 collects and discharges water through a collecting mechanism 8, and the collecting mechanism 8 comprises: the collecting block 801 is arranged in the transverse plate 6, the collecting block 801 is used for collecting water, a connecting groove 802 used for installing the collecting block 801 is formed in the transverse plate 6, a fixing plate 803 inserted into the collecting block 801 is fixedly connected to the inner wall of the connecting groove 802, and a sliding groove 804 used for sliding the fixing plate 803 is formed in the outer wall of the collecting block 801; a water outlet 806 for discharging water is formed in the bottom end of the inner wall of the collecting block 801, a baffle 805 penetrating through the water outlet 806 is fixedly connected to the bottom end of the fixing plate 803, and a spring 807 is connected between the top end of the fixing plate 803 and the collecting block 801.

This kind of waste gas catalytic combustion device, water falls to diaphragm 6, flow to the inner wall of collecting block 801 along diaphragm 6 and collect, this moment, baffle 805 cuts off delivery port 806, make water unable to flow down through delivery port 806, after the liquid in collecting block 801 increases, the weight increase of collecting block 801, make collecting block 801 receive the effect of gravity to slide along the inner wall of spread groove 802, and then make the relative collecting block 801 of fixed plate 803 upwards shift, the fixed plate 803 upwards shifts along spout 804, cause the extrusion to spring 807, the fixed plate 803 upwards shifts and drives baffle 805 upwards and shifts, baffle 805 displacement cancellation is to the shielding of delivery port 806, water in the collecting block 801 flows down through delivery port 806, the water that flows down to the bottom of combustion chamber 1, after the water in collecting block 801 reduces gradually, spring 807 receives self elasticity effect to promote collecting block 801 and shift and reset, thereby make the relative collecting block 801 shift downwards enough, and then make the fixed plate 805 shift downwards and block the delivery port 806, be convenient for collect and discharge water and take place with the top of being convenient for, can't make the delivery port 803 leak through the water through adopting the waste gas, thereby can't make delivery port 803 leak through the delivery port 803 after the water level is high enough, can't be discharged through the delivery port 803, and can't make the delivery port 803 leak through the delivery port 1.

In fig. 1-4: one end of the combustion box 1 is provided with an air inlet pipe 2, the other end of the combustion box 1 is provided with an exhaust pipe 3, a drain pipe 4 is arranged below the exhaust pipe 3 on the outer wall of the combustion box 1, an electric heating rod 5 is arranged on the inner wall of the combustion box 1, and the electric heating rod 5 is used for heating a catalyst placed in the inner cavity of the combustion box 1.

This kind of waste gas catalytic combustion device, waste gas gets into the inside of combustion case 1 through intake pipe 2, through the catalyst in with combustion case 1, the molecular of hydrocarbon and the oxygen molecule in the mixed gas are adsorbed respectively and are activated at the surface of catalyst, because the surface adsorption has reduced the activation energy of reaction, hydrocarbon and oxygen molecule are quick oxidation under lower temperature, produce carbon dioxide and water, carbon dioxide is discharged through blast pipe 3, water that falls to combustion case 1 bottom is discharged through drain pipe 4, it is worth noting that, the waste gas that adopts in this scheme is methane gas, the catalyst that adopts is CuO (waste gas and catalyst pointed out in this scheme are not specific certain class, the catalyst that this scheme adopted should carry out the adaptation according to the waste gas that can be catalyzed adjustment).

In fig. 1-4: the outer wall of collection piece 801 is laminated with the inner wall of spread groove 802, and the outer wall of fixed plate 803 is laminated with the inner wall of spout 804 mutually, and the top of diaphragm 6 is provided with the chute, and spread groove 802 is located the bottom of chute.

This kind of waste gas catalytic combustion device, after the liquid in the collection piece 801 increases, the weight increase of collection piece 801 for collection piece 801 receives the action of gravity to slide along the inner wall of spread groove 802, and then makes fixed plate 803 upwards shift relative collection piece 801, and fixed plate 803 upwards shifts along spout 804, causes the extrusion to spring 807.

In fig. 1-4: a displacement groove for sliding the baffle 805 is formed in the collection block 801, and penetrates through the water outlet 806.

This kind of waste gas catalytic combustion device flows to the inner wall of collecting the piece 801 along diaphragm 6 and collects, and the baffle 805 cuts off delivery port 806 this moment for water can't flow down through delivery port 806, upwards shifts relative collecting the piece 801 when fixed plate 803, and fixed plate 803 upwards shifts along spout 804, and fixed plate 803 upwards shifts and drives baffle 805 upwards to shift, and baffle 805 displacement cancels the shielding to delivery port 806, and the water in the collecting piece 801 flows down through delivery port 806.

The working principle of the utility model is as follows: firstly, exhaust gas enters the combustion box 1 through the air inlet pipe 2, when the exhaust gas contacts with a catalyst in the combustion box 1, molecules of hydrocarbon and oxygen molecules in mixed gas are adsorbed on the surface of the catalyst to be activated, the surface adsorption reduces the activation energy of reaction, the hydrocarbon and the oxygen molecules are rapidly oxidized at a lower temperature to generate carbon dioxide and water, the carbon dioxide is discharged through the air outlet pipe 3, the water falling to the bottom of the combustion box 1 is discharged through the water outlet pipe 4, the water falls onto the transverse plate 6 and flows to the inner wall of the collecting block 801 along the transverse plate 6 to be collected, at the moment, the baffle 805 cuts off the water outlet 806, so that the water cannot flow down through the water outlet 806, when the weight of the collecting block 801 is increased after the liquid in the collecting block 801 is increased, the collecting block 801 slides along the inner wall of the connecting groove 802 under the action of gravity, further, the fixing plate 803 is enabled to move upwards relative to the collecting block 801, the fixing plate 803 moves upwards along the sliding groove 804 to extrude the spring 807, the fixing plate 803 moves upwards to drive the baffle 805 to move upwards, the baffle 805 moves to cancel shielding of the water outlet 806, water in the collecting block 801 flows down through the water outlet 806, the flowing water falls to the bottom of the combustion box 1, when the water in the collecting block 801 is gradually reduced, the spring 807 is reset under the action of self elasticity, so that the collecting block 801 is pushed to move and reset, the fixing plate 803 moves downwards relative to the collecting block 801, the baffle 805 moves downwards to block the water outlet 806, so that the generated water is conveniently collected and discharged, after enough water is adopted, the water outlet 806 is automatically opened, so that the water can flow down through the water outlet 806, the water level is always kept higher than the water outlet 806, so that the exhaust gas cannot be discharged through the water outlet 806, and thus the exhaust gas cannot be discharged with the drain pipe 4, preventing the exhaust gas from leaking through the drain pipe 4.

The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (5)

1. The utility model provides an exhaust gas catalytic combustion device, includes combustion case (1), the inner wall fixedly connected with diaphragm (6) and riser (7) of combustion case (1), diaphragm (6) with riser (7) combination is T shape structure, its characterized in that, combustion case (1) is collected and is discharged water through collection mechanism (8), collection mechanism (8) include:

the collecting block (801) is arranged in the transverse plate (6), the collecting block (801) is used for collecting water, a connecting groove (802) used for installing the collecting block (801) is formed in the transverse plate (6), a fixing plate (803) inserted into the collecting block (801) is fixedly connected to the inner wall of the connecting groove (802), and a sliding groove (804) used for sliding the fixing plate (803) is formed in the outer wall of the collecting block (801);

the inner wall bottom of collection piece (801) is offered and is carried out the delivery port (806) of discharging to water, the bottom fixedly connected with of fixed plate (803) run through in baffle (805) of delivery port (806), the top of fixed plate (803) with be connected with spring (807) between collection piece (801).

2. The exhaust gas catalytic combustion device according to claim 1, wherein an air inlet pipe (2) is arranged at one end of the combustion box (1), an exhaust pipe (3) is arranged at the other end of the combustion box (1), a drain pipe (4) is arranged below the exhaust pipe (3) on the outer wall of the combustion box (1), an electric heating rod (5) is arranged on the inner wall of the combustion box (1), and the electric heating rod (5) is used for heating a catalyst placed in the inner cavity of the combustion box (1).

3. An exhaust gas catalytic combustion device according to claim 1, wherein the outer wall of the collecting block (801) is attached to the inner wall of the connecting slot (802), and the outer wall of the fixing plate (803) is attached to the inner wall of the chute (804).

4. The exhaust gas catalytic combustion device according to claim 1, wherein a displacement groove for sliding the baffle plate (805) is provided in the collecting block (801), and the displacement groove penetrates through the water outlet (806).

5. An exhaust gas catalytic combustion device according to claim 1, characterized in that the top end of the cross plate (6) is provided with a chute, the connecting groove (802) being located at the bottom end of the chute.