CN210921438U - A waste heat recovery device for catalytic combustion exhaust gas treatment - Google Patents

Abstract

The utility model relates to the technical field of waste gas treatment, and discloses a waste heat recovery device for catalytic combustion waste gas treatment. In order to solve the problem of insufficient waste heat recovery of waste gas by existing equipment, one side of the box body is provided with an air outlet , and the other side of the box body is provided with an air inlet, the front surface of the box body is provided with a control panel, and the lower surface of the box body is evenly provided with a fixed seat, and the front surface of the box body is located on the control panel. A gas monitor is installed on the other side of the . The utility model is provided with a circulating water pipe, and the length of the water pipe can be increased by placing the water pipe in a zigzag manner, and further, the combustion exhaust gas can be brought into contact with the circulating water pipe when entering the inside of the box, and the circulating water pipe driven by a motor can make the water pipe fully and The hot exhaust gas contacts, so that the heat is transferred to the water transported inside the circulating water pipe, thereby producing hot water for recycling.

Description

A waste heat recovery device for catalytic combustion exhaust gas treatment

technical field

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

Background technique

In industrial production, a large amount of industrial waste gas will be produced. These industrial waste gases are usually very high in temperature. For example, boilers used in industrial production, their flue gas temperature is generally 200 to 300 degrees Celsius, and some are even higher. These catalytic combustion It is a pity that the heat contained in the high-temperature flue gas discharged into the atmosphere is not utilized. In the industrial production process, some combustible exhaust gas is often generated, and these combustible exhaust gases are discharged into the atmosphere and will cause pollution. In particular, the emission of volatile organic compounds (VOCs) into the atmosphere will have an impact on human health. The total emission of VOCs in my country is 25.03 million tons, of which industrial VOCs emission is the largest, accounting for 43% of the total. The Law of the People's Republic of China on the Prevention and Control of Air Pollution adds four new VOCs pollution control clauses, and high-temperature incineration is an important method for VOCs control.

However, the existing heat recovery equipment usually does not sufficiently recover the waste heat in the exhaust gas, and there are still many untreated harmful gases in the exhaust gas discharged. Therefore, those skilled in the art provide a waste heat recovery device for catalytic combustion exhaust gas treatment to solve the problems raised in the above background art.

Utility model content

The purpose of the present invention is to provide a waste heat recovery device for catalytic combustion exhaust gas treatment, so as to solve the problems raised in the above background technology.

To achieve the above object, the utility model provides the following technical solutions:

A waste heat recovery device for catalytic combustion exhaust gas treatment includes a box body, one side of the box body is provided with an air outlet, and the other side of the box body is provided with an air inlet port, the front surface of the box body is a The side is provided with a control panel, and the lower surface of the box body is evenly provided with a fixed seat, the front surface of the box body is located on the other side of the control panel, and a gas monitor is provided, and one side of the box body is located at the air outlet A water outlet pipe is arranged at the bottom of the box body, and a middle partition plate is arranged inside the box body, a water inlet pipe is arranged on one side of the box body at the position below the air inlet, and a circulating water pipe is arranged on the inner side of the box body. One end of the circulating water pipe is rotatably connected to the box through the rotation axis A at the position of the water inlet pipe, and the other end of the circulating water pipe is rotatably connected to the middle partition plate through the rotation axis B, and one side of the middle partition plate is located on the rotation axis. A motor is arranged at the upper position of B, and an air outlet pipe is arranged on the other side of the middle partition plate. The lower end of the air outlet pipe is provided with an anti-suction box, and a water tank is arranged below the anti-suction box, and the anti-suction box is arranged below. One side of the suction box is located on the upper surface of the water tank and is provided with a heating net, the interior of the water tank is provided with neutralizing liquid, the interior of the box body is located on the side of the rotating shaft B, and a connecting pipe is provided, and the inner surface of the box body is provided with a connecting pipe. An insulating layer is provided, a driving gear is provided at the transmission end of the motor, and a driven gear is provided at the position of the circulating water pipe corresponding to the driving gear.

As a further solution of the present invention: the air outlet includes a fixing frame, the inner side of the fixing frame is evenly provided with baffles, and the inner side of the fixing frame is provided with a slideway between the baffles, one of the fixing frame is The side is provided with a frame, the surface of the frame is evenly provided with snaps, and the interior of the frame is provided with a filter screen device.

As a further solution of the present invention, the buckle is adapted to the slideway, the outer diameter of the frame is consistent with the inner diameter of the fixing frame, and one side of the fixing frame is fixedly connected to the box body.

As a further solution of the present invention, the filter screen device includes an activated carbon screen, a drying screen is arranged on the rear side of the activated carbon screen, and a screen is arranged on the rear side of the drying screen.

As a further scheme of the present invention, the outer diameter of the screen, drying screen and activated carbon screen is consistent with the inner diameter of the frame, and the screen, drying screen and activated carbon screen are fixedly connected to the frame through epoxy resin glue.

As a further solution of the present invention, the driving gear and the driven gear are meshed and connected, the lower end of the anti-suckback box is provided with an air pipe immersed in the neutralizing liquid, and the liquid level of the neutralizing liquid is located at the height of the water tank. two-thirds of the way.

Compared with the prior art, the beneficial effects of the present utility model are:

The utility model is provided with a circulating water pipe, and the length of the water pipe can be increased by placing the water pipe in a zigzag manner in the box body, and further, when the combustion exhaust gas enters the inside of the box body, it can contact the circulating water pipe, and the circulating water pipe driven by a motor can make the water pipe It is fully contacted with the hot exhaust gas, so that the heat is transferred to the water transported inside the circulating water pipe, thereby producing hot water for recycling. A neutralizing liquid is provided, which can neutralize the harmful gases in the exhaust gas and effectively reduce the emission of harmful gases. , It is equipped with a heating net, which can re-ignite the insufficiently burned carbon molecules to make the combustion fully and avoid polluting the environment.

Description of drawings

1 is a schematic structural diagram of a waste heat recovery device for catalytic combustion exhaust gas treatment;

2 is a front view of the interior of a waste heat recovery device for catalytic combustion exhaust gas treatment;

3 is a schematic structural diagram of an air outlet in a waste heat recovery device used for catalytic combustion exhaust gas treatment;

FIG. 4 is a schematic structural diagram of a filter screen device in a waste heat recovery device used for catalytic combustion exhaust gas treatment.

In the figure: 1. Control panel; 2. Fixed seat; 3. Gas monitor; 4. Water outlet; 5. Air outlet; 51. Buckle; 52. Frame; 53. Filter device; 531, Screen mesh; 532 , drying net; 533, activated carbon net; 54, slideway; 55, baffle; 56, fixing frame; 6, box body; 7, air inlet; 8, water inlet pipe; 9, rotating shaft A; 10, circulation Water pipe; 11, driving gear; 12, driven gear; 13, rotating shaft B; 14, neutralizing liquid; 15, anti-suck back box; 16, heating net; 17, water tank; 18, connecting pipe; 19, air outlet pipe ; 20, the middle partition; 21, the motor; 22, the insulation layer.

Detailed ways

Referring to FIGS. 1 to 4 , in an embodiment of the present invention, a waste heat recovery device for catalytic combustion exhaust gas treatment includes a box body 6 , an air outlet 5 is provided on one side of the box body 6 , and the air outlet 5 includes a fixing frame 56, the inner side of the fixing frame 56 is evenly provided with a baffle 55, and the inner side of the fixing frame 56 is provided with a slideway 54 between the baffles 55, one side of the fixing frame 56 is provided with a frame 52, and the surface of the frame 52 is evenly provided with Buckle 51, and the inside of the frame 52 is provided with a filter mesh device 53, the filter mesh device 53 includes an activated carbon mesh 533, a drying mesh 532 is set on the back side of the activated carbon mesh 533, and a screen mesh 531 is set on the back side of the drying mesh 532. , the drying net 532 can absorb the water vapor in the exhaust gas, the activated carbon net 533 can effectively absorb the odor in the exhaust gas, and prevent the odor from dispersing into the environment.

The outer diameter of the screen mesh 531, the drying mesh 532, and the activated carbon mesh 533 are consistent with the inner diameter of the frame 52, and the mesh mesh 531, the drying mesh 532, and the activated carbon mesh 533 are fixedly connected to the frame 52 through epoxy resin glue. The fixed screen mesh 531, drying mesh 532, and activated carbon mesh 533 can not be degummed in a high temperature environment.

The buckle 51 slides into the interior of the fixing frame 56 through the slideway 54 , and the frame 52 is further rotated so that the baffle 55 can block the buckle 51 , thereby achieving the effect of fixing the frame 52 .

The buckle 51 is adapted to the slideway 54, the outer diameter of the frame 52 is consistent with the inner diameter of the fixing frame 56, one side of the fixing frame 56 is fixedly connected with the box 6, and the frame 52 rotates inside the fixing frame 56, thereby The buckle 51 is rotated to the rear of the baffle 55 , and this fixing method makes the frame 52 easy to disassemble and replace.

The other side of the box body 6 is provided with an air inlet 7, the front surface of the box body 6 is provided with a control panel 1, and the lower surface of the box body 6 is evenly provided with a fixed seat 2, and the front surface of the box body 6 is located at the control panel 1. A gas monitor 3 is arranged on the other side of the panel 1, a water outlet pipe 4 is arranged on one side of the box body 6 under the air outlet 5, and a middle partition plate 20 is arranged inside the box body 6. A water inlet pipe 8 is provided on one side below the air inlet 7, and a circulating water pipe 10 is provided on the inner side of the box body 6. One end of the circulating water pipe 10 corresponds to the position of the water inlet pipe 8 through the rotating shaft A9 and the box body. 6. Rotationally connected, and the other end of the circulating water pipe 10 is rotatably connected with the middle partition plate 20 through the rotation axis B13. One side of the middle partition plate 20 is located above the rotation axis B13. A motor 21 is provided, and the other side of the middle partition plate 20 One side is provided with an air outlet pipe 19, the lower end of the air outlet pipe 19 is provided with an anti-suckback box 15, a water tank 17 is provided below the anti-suckback box 15, and one side of the anti-suckback box 15 is located on the upper surface of the water tank 17. The heating net 16, the water tank 17 is provided with a neutralizing liquid 14 inside, the driving gear 11 is meshed with the driven gear 12, and the lower end of the anti-suction box 15 is provided with an air pipe immersed in the neutralizing liquid 14, and the liquid of the neutralizing liquid 14 is The surface height is located at the two-thirds position of the water tank 17. The setting of the anti-sucking box 15 can effectively avoid the phenomenon of water sucking back caused by temperature, and the neutralizing liquid 14 can effectively neutralize the harmful gas in the exhaust gas. Treatment of harmful gases in exhaust gas.

The inside of the box body 6 is provided with a connecting pipe 18 on one side of the rotating shaft B13, and the inner surface of the box body 6 is provided with a thermal insulation layer 22, the transmission end of the motor 21 is provided with a driving gear 11, and the circulating water pipe 10 corresponds to the driving gear 11. A driven gear 12 is provided at the position.

The working principle of the utility model is as follows: firstly, the combustion exhaust gas enters the interior of the box 6 through the air inlet 7, the external water source enters the circulating water pipe 10 through the water inlet pipe 8, the rotation of the motor 21 is controlled by the control panel 1, and the further motor 21 drives the active The rotation of the gear 11 causes the driving gear 11 to drive the rotation of the circulating water pipe 10 through the driven gear 12, and the exhaust gas with heat is fully contacted with the circulating water pipe 10, so that the heat can be carried out through the water outlet pipe 4 through the water flow in the circulating water pipe 10, Therefore, for the recycling of warm water, the exhaust gas enters the anti-suckback box 15 through the air outlet pipe 19 and is further passed to the neutralizing liquid 14. The neutralizing liquid 14 can neutralize the harmful gas in the exhaust gas and prevent the harmful gas from being discharged into the environment. The exhaust gas is transmitted to the heating net 16 after passing through the neutralizing liquid 14. After being heated by the heating net 16, the unburned exhaust gas is fully re-burned to prevent the exhaust gas from being discharged to pollute the environment. Internally, further rotating the frame 52 enables the baffle 55 to block the buckle 51, thereby achieving the effect of fixing the frame 52. The frame 52 rotates inside the fixing frame 56, so that the buckle 51 rotates to the rear of the baffle 55. This fixing method makes the frame 52 easy to disassemble and replace, the drying net 532 can absorb the water vapor in the exhaust gas, the activated carbon net 533 can effectively absorb the odor in the exhaust gas, and prevent the odor from dispersing into the environment. Filter impurities to avoid dispersing into the environment.

The above are only the preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited to this. The technical solution of the utility model and its utility model concept are equivalently replaced or changed, and should be covered within the protection scope of the present utility model.

Claims (6)

1. A waste heat recovery device for catalytic combustion waste gas treatment comprises a box body (6) and is characterized in that a gas outlet (5) is formed in one side of the box body (6), a gas inlet (7) is formed in the other side of the box body (6), a control panel (1) is arranged on one side of the front surface of the box body (6), a fixing seat (2) is uniformly arranged on the lower surface of the box body (6), a gas monitor (3) is arranged at the position, located on the other side of the control panel (1), of the front surface of the box body (6), a water outlet pipe (4) is arranged on one side of the box body (6) and located below the gas outlet (5), a middle partition plate (20) is arranged inside the box body (6), a water inlet pipe (8) is arranged on the position, located below the gas inlet (7), of one side of the inside of the box body (6), and a, the position of one end of the circulating water pipe (10) corresponding to the water inlet pipe (8) is rotatably connected with the box body (6) through a rotating shaft A (9), the other end of the circulating water pipe (10) is rotatably connected with the middle partition plate (20) through a rotating shaft B (13), a motor (21) is arranged at the position, located above the rotating shaft B (13), of one side of the middle partition plate (20), an air outlet pipe (19) is arranged at the other side of the middle partition plate (20), a reverse suction prevention box (15) is arranged at the lower end of the air outlet pipe (19), a water tank (17) is arranged below the reverse suction prevention box (15), a heating net (16) is arranged on the upper surface, located on the water tank (17), of one side of the reverse suction prevention box (15), a neutralizing liquid (14) is arranged inside the water tank (17), a connecting pipe (18) is arranged on one side, located on the rotating shaft B (13), of, and the inner side of the box body (6) is provided with a heat insulation layer (22), the transmission end of the motor (21) is provided with a driving gear (11), and a driven gear (12) is arranged at the position of the circulating water pipe (10) corresponding to the driving gear (11).

2. The waste heat recovery device for catalytic combustion exhaust gas treatment according to claim 1, wherein the gas outlet (5) comprises a fixing frame (56), baffles (55) are uniformly arranged on the inner side of the fixing frame (56), a slide way (54) is arranged between the baffles (55) on the inner side of the fixing frame (56), a frame (52) is arranged on one side of the fixing frame (56), buckles (51) are uniformly arranged on the surface of the frame (52), and a filter screen device (53) is arranged inside the frame (52).

3. A heat recovery device for catalytic combustion exhaust gas treatment according to claim 2, characterized in that the snap (51) is adapted to the slide (54), the outer diameter of the frame (52) is the same as the length of the inner diameter of the fixing frame (56), and one side of the fixing frame (56) is fixedly connected with the box body (6).

4. The waste heat recovery device for catalytic combustion exhaust gas treatment according to claim 2, wherein the filter screen device (53) comprises an activated carbon screen (533), a drying screen (532) is provided at a rear side of the activated carbon screen (533), and a screen (531) is provided at a rear side of the drying screen (532).

5. The waste heat recovery device for catalytic combustion exhaust gas treatment according to claim 4, wherein the outer diameters of the screen mesh (531), the drying mesh (532) and the activated carbon mesh (533) are consistent with the inner diameter of the frame (52), and the screen mesh (531), the drying mesh (532) and the activated carbon mesh (533) are fixedly connected with the frame (52) through epoxy resin glue.

6. A waste heat recovery device for catalytic combustion exhaust gas treatment according to claim 1, characterized in that the driving gear (11) is engaged with the driven gear (12), the lower end of the suck back prevention box (15) is provided with an air pipe immersed in the neutralizing liquid (14), and the liquid level of the neutralizing liquid (14) is located at the position of two thirds of the height of the water tank (17).

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