A device for treating exhaust gas in a process for manufacturing a window film for a vehicle

Abstract

The application relates to the technical field of waste gas treatment devices, and discloses a waste gas treatment device for automobile window film processing, which comprises a bottom plate, a reaction furnace arranged at one end of the upper end surface of the bottom plate, a top box arranged at the top end of the reaction furnace, a heat preservation shell arranged at one side of the reaction furnace, a heat preservation pipe connected between the reaction furnace and the heat preservation shell, heat conduction fins arranged in the heat preservation pipe, a gas conveying assembly arranged outside the reaction furnace through the top box and the heat preservation shell, and a gas guide element arranged at the lower end of the reaction furnace. The waste gas treatment device for automobile window film processing is provided with the gas conveying assembly, when the supply of waste gas is stopped, the intermediate valve can be opened, and the first valve and the second valve can be closed, at this time, when air is introduced into the air interface pipe, the air can be converted into a flow channel, enters the waste gas pipe through the horizontal pipe, and then flows to the joint box and the first gas conveying pipe through the waste gas pipe, so that the residual waste gas in the pipeline and the reaction furnace can be taken away and finally burned in the combustion chamber, and the waste gas treatment effect is ensured.

Description

TECHNICAL FIELD

[0001] The present application relates to waste gas treatment device technical field, specifically to a kind of automobile window film processing process waste gas treatment device. BACKGROUND

[0002] In recent years, with the increasingly stringent environmental regulations, RTO technology is more and more widely used in industrial waste gas treatment, among them, regenerative thermal incinerator (RTO) is a widely used environmental protection equipment, usually using ceramic regenerator to maintain high temperature in the reaction process, and recover the heat of water vapor and carbon dioxide containing heat generated in the high temperature oxidation process of waste gas and oxygen.

[0003] When treating the waste gas generated in the process of automobile window film processing, it is not possible to achieve sufficient mixing of waste gas and air, which can easily lead to incomplete combustion; due to the difference in initial temperature of waste gas and air, the two gases need to be heated additionally before entering the reactor, which not only increases energy consumption, but also reduces processing efficiency; the existing RTO equipment generally uses two regenerative chambers, which has a complex structure, and the waste gas and the purified gas alternately flow through different regenerative chambers through valve groups or rotary distribution valves, which can easily discharge the residual waste gas in the regenerative chamber and the pipeline to the outside during the reversing process. Therefore, there is a need to provide an automobile window film processing process waste gas treatment device to solve the above problems. SUMMARY

[0004] In view of the deficiencies of the prior art, the present application provides an automobile window film processing process waste gas treatment device to solve the problems mentioned in the background.

[0005] The present application provides the following technical scheme: an automobile window film processing process waste gas treatment device, comprising a bottom plate, a reaction furnace is arranged at one end of the upper surface of the bottom plate, a heat preservation shell is arranged on one side of the reaction furnace, a top box is arranged at the top end of the reaction furnace, a heat preservation pipe is connected between the reaction furnace and the heat preservation shell, a gas conveying assembly is arranged on the outside of the reaction furnace through the top box and the heat preservation shell, heat conducting fins are arranged inside the heat preservation pipe, a gas guide is arranged at the lower end of the reaction furnace, a gas distribution plate is arranged above the gas guide, a regenerator is arranged above the gas distribution plate, a top partition plate is arranged above the regenerator, and a combustion chamber is formed between the regenerator and the top partition plate.

[0006] The gas conveying assembly comprises a horizontal pipe, an air pipe and a waste gas pipe, the horizontal pipe is arranged on one side of the top box, the air pipe and the waste gas pipe are arranged in parallel and connected to one end of the horizontal pipe, and the air pipe and the waste gas pipe extend to the outside through the top box at the end away from the horizontal pipe.

[0007] Preferably, the gas conveying assembly further comprises an air interface pipe, a waste gas interface pipe and an intermediate valve, the air interface pipe is arranged on the front side of the horizontal pipe close to one end of the air pipe, and the waste gas interface pipe is arranged on the front side of the horizontal pipe close to one end of the waste gas pipe.

[0008] Preferably, the intermediate valve is arranged in the middle of the cross pipe between the air pipe and the exhaust pipe, the air pipe and the exhaust pipe are provided with joint boxes away from one end of the cross pipe, and the joint boxes are fixedly provided with a first gas conveying pipe away from one side of the top box.

[0009] Preferably, the heat preservation shell is internally provided with a secondary heating tank, the lower end of the first gas conveying pipe penetrates through the upper wall of the heat preservation shell and is connected with the secondary heating tank, one end of the heat conduction fin is connected with the heat conduction baffle on the side wall of the reaction furnace, and the other end of the heat conduction fin away from the reaction furnace is connected with the secondary heating tank.

[0010] Preferably, the lower end of the secondary heating tank is provided with a second gas conveying pipe, and the other end of the second gas conveying pipe away from the secondary heating tank penetrates through the lower end side wall of the reaction furnace and is in communication with the inside of the reaction furnace.

[0011] Preferably, the cross pipe is provided with a first valve near one end of the exhaust gas interface pipe, and the air pipe is provided with a second valve near one end of the cross pipe.

[0012] Preferably, the gas guide member comprises an outer shell and a spiral gas guide blade, the outer shell is arranged in the inside of the lower end of the reaction furnace, and the spiral gas guide blade is arranged in the inside of the outer shell.

[0013] Preferably, the top box is provided with a discharge port in the center of the upper end surface, and the upper end of the reaction furnace is in communication with the inside of the top box through the opening.

[0014] Preferably, the lower end of the heat preservation shell is provided with a support, and the lower end of the support is connected with the bottom plate.

[0015] Preferably, the bottom plate is provided with supporting legs at four corners of the lower end surface.

[0016] Compared with the prior art, the present application has the following beneficial effects:

[0017] 1. The automobile window film processing process exhaust gas treatment device is provided with a top box, the intermediate valve is in a closed state initially, the exhaust gas is high-temperature oxidized with oxygen in the air into water and carbon dioxide in the reaction furnace, a large amount of heat of the water vapor and the carbon dioxide is brought up to the top box through the opening, when the air and the exhaust gas are respectively introduced into the air pipe and the exhaust pipe through the air interface pipe and the exhaust interface pipe, the air and the exhaust gas are respectively introduced into the air pipe and the exhaust pipe, and the air and the exhaust gas in the air pipe and the exhaust pipe can be preliminarily preheated by the heat in the top box.

[0018] 2. The automobile window film processing process exhaust gas treatment device is provided with a secondary heating tank and a gas guide member, the preliminarily preheated air and exhaust gas are sequentially introduced into the secondary heating tank through the joint box and the first gas conveying pipe for preliminary mixing and secondary heating, the heated mixed gas can be conveyed into the reaction furnace through the second gas conveying pipe, and when the mixed gas in the reaction furnace passes through the gas guide member, the curved structure of the spiral gas guide blade forces the fluid to produce rotational flow, the collision frequency between the gas molecules is increased, and the uniform mixing of the air and the exhaust gas is further promoted.

[0019] 3、The automobile window film processing process waste gas treatment device, when stopping supplying waste gas, the intermediate valve can be opened, and the first valve and the second valve are closed, at this time, when air is introduced into the air interface pipe, the air will change the flow channel, enter the inside of the waste gas pipe through the horizontal pipe, and then flow to the joint box and the first gas pipe through the waste gas pipe, carry away the residual waste gas in the pipeline and the reaction furnace and finally enter the combustion chamber for combustion, ensure the waste gas treatment effect, and avoid residual waste gas from being discharged to the outside;

[0020] By setting the discharge port, the waste gas is oxidized into water and carbon dioxide in the reaction furnace at high temperature with oxygen in the air, and the water vapor and carbon dioxide carry a large amount of heat to the top box through the opening, which can be discharged through the discharge port at the upper end of the top box; the heat preservation shell can be set to play a heat preservation effect on the secondary heating tank, and the support can be effectively used to support the heat preservation shell, so as to ensure the stability of the heat preservation shell; the supporting leg can be effectively used to support the bottom plate, so as to ensure the stability of the whole. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is an overall structure schematic view of the automobile window film processing process waste gas treatment device of the present application.

[0022] Figure 2 It is a sectional view of the reaction furnace of the present application.

[0023] Figure 3 It is a sectional view of the automobile window film processing process waste gas treatment device of the present application.

[0024] Figure 4 It is a structure schematic view of the gas guide part of the present application.

[0025] Figure 5 It is a partial structure schematic view of the gas conveying assembly of the present application.

[0026] Figure 6 It is a sectional view of the heat preservation shell of the present application.

[0027] Figure 7 It is an enlarged schematic view of the structure at A in the present application. Figure 3

[0028] ​In the figure: 1, bottom plate; 101, support leg; 2, reaction furnace; 201, air guide; 2011, shell; 2012, spiral air guide blade; 202, air distribution plate; 203, combustion chamber; 204, heat accumulator; 205, top partition; 3, top box; 301, discharge port; 4, air feeding assembly; 401, cross pipe; 402, air interface pipe; 403, waste gas interface pipe; 404, air pipe; 405, waste gas pipe; 406, intermediate valve; 407, No. 1 valve; 408, No. 2 valve; 409, joint box; 410, No. 1 air feeding pipe; 411, secondary heating tank; 412, No. 2 air feeding pipe; 5, heat preservation shell; 501, support; 6, heat preservation pipe; 601, heat conduction sheet. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0030] Please refer to Figures 1-7 A waste gas treatment device for an automobile window film processing process includes a bottom plate 1, the bottom plate 1 is provided with a reaction furnace 2 at one end of the upper surface, the reaction furnace 2 is provided with a top box 3 at the top end, the reaction furnace 2 is provided with a heat preservation shell 5 at one side, the reaction furnace 2 and the heat preservation shell 5 are connected by a heat preservation pipe 6, the heat preservation pipe 6 is provided with a heat conduction sheet 601 inside, the reaction furnace 2 is provided with an air guide 201 at the lower end, the air guide 201 is provided with an air distribution plate 202 above, the air distribution plate 202 is provided with a heat accumulator 204 above, the heat accumulator 204 is provided with a top partition 205 above, and the heat accumulator 204 and the top partition 205 are arranged as a combustion chamber 203;

[0031] The air feeding assembly 4 includes a cross pipe 401, an air pipe 404, and a waste gas pipe 405, the cross pipe 401 is arranged at one side of the top box 3, one end of the air pipe 404 and the waste gas pipe 405 is connected with the cross pipe 401, and the other end of the air pipe 404 and the waste gas pipe 405 extends out of the top box 3.

[0032] Wherein; gas assembly 4 also includes air interface pipe 402, exhaust interface pipe 403 and intermediate valve 406, air interface pipe 402 is arranged on the front side of horizontal pipe 401 close to the end of air pipe 404, exhaust interface pipe 403 is arranged on the front side of horizontal pipe 401 close to the end of exhaust pipe 405, intermediate valve 406 is arranged in the middle of horizontal pipe 401 between air pipe 404 and exhaust pipe 405, air pipe 404 and exhaust pipe 405 are provided with joint box 409 at the end away from horizontal pipe 401, joint box 409 is provided with a first gas pipe 410 on the side away from top box 3, initially, intermediate valve 406 is in a closed state, water and carbon dioxide are generated by high-temperature oxidation of exhaust gas and oxygen in air in reaction furnace 2, a large amount of heat is carried by water vapor and carbon dioxide and rises to top box 3 through the opening, when air and exhaust gas are respectively introduced into air interface pipe 402 and exhaust interface pipe 403, air and exhaust gas enter air pipe 404 and exhaust pipe 405 respectively, because air pipe 404 and exhaust pipe 405 pass through top box 3, air and exhaust gas in air pipe 404 and exhaust pipe 405 can be preliminarily preheated by the heat in top box 3.

[0033] Wherein; the inside of heat preservation shell 5 is provided with a secondary heating tank 411, the lower end of first gas pipe 410 passes through the upper wall of heat preservation shell 5 and is connected with secondary heating tank 411, one end of heat conduction fin 601 is connected with the heat conduction baffle on the side wall of reaction furnace 2, the end of heat conduction fin 601 away from reaction furnace 2 is connected with secondary heating tank 411, the lower end of secondary heating tank 411 is provided with a second gas pipe 412, the end of second gas pipe 412 away from secondary heating tank 411 passes through the lower end side wall of reaction furnace 2 and communicates with the inside of reaction furnace 2, preliminarily preheated air and exhaust gas enter secondary heating tank 411 through joint box 409 and first gas pipe 410 in sequence for preliminary mixing and secondary heating, the heated mixed gas can be transported into reaction furnace 2 through second gas pipe 412.

[0034] Wherein; one end of horizontal pipe 401 close to exhaust interface pipe 403 is provided with a first valve 407, the end of air pipe 404 close to horizontal pipe 401 is provided with a second valve 408, initially, intermediate valve 406 is in a closed state, first valve 407 and second valve 408 are both in an open state; when the supply of exhaust gas is stopped, intermediate valve 406 can be opened, and first valve 407 and second valve 408 are closed, at this time, when air is introduced into air interface pipe 402, the flow channel of air is changed, air enters the inside of exhaust pipe 405 through horizontal pipe 401, and then flows to joint box 409 and first gas pipe 410 through exhaust pipe 405, carries away the residual exhaust gas in the pipeline and reaction furnace 2 and finally enters combustion chamber 203 for combustion, ensuring the exhaust gas treatment effect.

[0035] Wherein; the gas guide 201 includes the shell 2011 and the spiral gas guide blade 2012, the shell 2011 is arranged at the lower end inside the reaction furnace 2, the spiral gas guide blade 2012 is arranged inside the shell 2011, when the mixed gas passes through the gas guide 201, the curved structure of the spiral gas guide blade 2012 forces the fluid to produce rotational flow, increases the collision frequency between gas molecules, further promotes the uniform mixing of air and waste gas, and ensures sufficient combustion later.

[0036] Wherein; the upper end of the reaction furnace 2 is communicated with the inside of the top box 3 through an opening, the discharge port 301 is arranged at the center of the upper end surface of the top box 3, the water vapor and carbon dioxide, which are generated by the high-temperature oxidation of the waste gas and oxygen in the air in the reaction furnace 2, carry a large amount of heat and rise to the top box 3 through the opening, and are discharged through the discharge port 301 at the upper end of the top box 3.

[0037] Wherein; the lower end of the heat preservation shell 5 is provided with the support 501, the lower end of the support 501 is connected with the bottom plate 1, the support legs 101 are arranged at the four corners of the lower end surface of the bottom plate 1, the support 501 can effectively support the heat preservation shell 5 and ensure the stability of the heat preservation shell 5, and the support legs 101 can effectively support the bottom plate 1 and ensure the stability of the whole.

[0038] Working principle, initially, the intermediate valve 406 is in a closed state, the water vapor and carbon dioxide, which are generated by the high-temperature oxidation of the waste gas and oxygen in the air in the reaction furnace 2, carry a large amount of heat and rise to the top box 3 through the opening, when the air and the waste gas are respectively introduced into the air interface pipe 402 and the waste gas interface pipe 403, the air and the waste gas enter the air pipe 404 and the waste gas pipe 405 respectively, since the air pipe 404 and the waste gas pipe 405 pass through the top box 3, the air and the waste gas in the air pipe 404 and the waste gas pipe 405 can be preliminarily heated by the heat in the top box 3, the preliminarily heated air and waste gas enter the secondary heating tank 411 through the joint box 409 and the first gas conveying pipe 410 in sequence to be heated again, the heated mixed gas can be conveyed into the reaction furnace 2 through the second gas conveying pipe 412, when the mixed gas in the reaction furnace 2 passes through the gas guide 201, the curved structure of the spiral gas guide blade 2012 forces the fluid to produce rotational flow, increases the collision frequency between gas molecules, further promotes the uniform mixing of air and waste gas, and the mixed gas after being heated again is uniformly heated by the heat storage body 204 under the action of the gas distribution plate 202, and finally reaches the combustion chamber 203 to be fully and quickly combusted.

[0039] Further, when the supply of exhaust gas is stopped, the intermediate valve 406 can be opened, and the first valve 407 and the second valve 408 are closed. When air is introduced into the air interface pipe 402, the air changes the flow channel, enters the inside of the exhaust pipe 405 through the horizontal pipe 401, and then flows to the joint box 409 and the first gas pipe 410 through the exhaust pipe 405, carrying away the residual exhaust gas in the pipe and the reaction furnace 2 and finally entering the combustion chamber 203 for combustion, ensuring the exhaust gas treatment effect. The exhaust gas is oxidized into water and carbon dioxide by high-temperature oxygen in the air in the reaction furnace 2. The water vapor and carbon dioxide carry a large amount of heat and rise to the top box 3 through the opening, and are discharged through the discharge port 301 at the upper end of the top box 3. The heat preservation shell 5 is arranged to have a heat preservation effect on the secondary heating tank 411. The support 501 is arranged to effectively support the heat preservation shell 5, ensuring the stability of the heat preservation shell 5. The support leg 101 is arranged to effectively support the bottom plate 1, ensuring the stability of the whole.

[0040] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and changes can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An automobile window film processing process exhaust gas treatment device characterized by comprising: The utility model provides a heat preservation type gas distribution device, including bottom plate (1), one end of upper end surface of bottom plate (1) is provided with reaction furnace (2), the top of reaction furnace (2) is provided with top box (3), one side of reaction furnace (2) is provided with heat preservation shell (5), heat preservation pipe (6) is connected between reaction furnace (2) and heat preservation shell (5), the inside of heat preservation pipe (6) is provided with heat conduction sheet (601), the outside of reaction furnace (2) is provided with gas distribution assembly (4) through top box (3) and heat preservation shell (5), the inside lower end of reaction furnace (2) is provided with gas guide piece (201), the top of gas guide piece (201) is provided with air distribution plate (202), the top of air distribution plate (202) is provided with heat storage body (204), the top of heat storage body (204) is provided with top baffle (205), heat storage body (204) and top baffle (205) are arranged as combustion chamber (203) between. The gas distribution assembly (4) includes a horizontal pipe (401), an air pipe (404), and an exhaust pipe (405), the horizontal pipe (401) is arranged on one side of the top box (3), one end of the air pipe (404) and the exhaust pipe (405) is connected with the horizontal pipe (401), the air pipe (404) and the exhaust pipe (405) pass through the top box (3) and extend outside from the other end away from the horizontal pipe (401).

2. The automobile window film processing process exhaust gas treatment device according to claim 1, characterized in that, The gas distribution assembly (4) further includes an air interface pipe (402), an exhaust interface pipe (403), and an intermediate valve (406), the air interface pipe (402) is arranged on the end of the horizontal pipe (401) close to the air pipe (404) on the front side, the exhaust interface pipe (403) is arranged on the end of the horizontal pipe (401) close to the exhaust pipe (405) on the front side.

3. The automobile window film processing process exhaust treatment device according to claim 2, characterized in that, The intermediate valve (406) is arranged in the middle of the horizontal pipe (401) between the air pipe (404) and the exhaust pipe (405), the air pipe (404) and the exhaust pipe (405) are provided with a joint box (409) at the end away from the horizontal pipe (401), the joint box (409) is provided with a first gas pipe (410) on the side away from the top box (3).

4. The exhaust gas treatment device for a vehicle window film processing process according to claim 3, characterized by, The heat preservation shell (5) is provided with a secondary heating tank (411) inside, the first gas pipe (410) passes through the upper wall of the heat preservation shell (5) and is connected with the secondary heating tank (411), one end of the heat conduction sheet (601) is connected with the heat conduction baffle on the side wall of the reaction furnace (2), the other end of the heat conduction sheet (601) away from the reaction furnace (2) is connected with the secondary heating tank (411).

5. The apparatus according to claim 4, wherein The secondary heating tank (411) is provided with a second gas pipe (412) at the lower end, the second gas pipe (412) passes through the lower end side wall of the reaction furnace (2) and is communicated with the inside of the reaction furnace (2) at the end away from the secondary heating tank (411).

6. The automobile window film processing process exhaust treatment device according to claim 2, characterized in that, The horizontal pipe (401) is provided with a first valve (407) at the end close to the exhaust interface pipe (403), the air pipe (404) is provided with a second valve (408) at the end close to the horizontal pipe (401).

7. The automobile window film processing process exhaust treatment device according to claim 1, characterized in that, The air guide (201) comprises a shell (2011) and a spiral air guide blade (2012), the shell (2011) is arranged at the lower end inside the reaction furnace (2), and the spiral air guide blade (2012) is arranged inside the shell (2011).

8. The automobile window film processing process exhaust treatment device according to claim 1, characterized in that, The upper end of the reaction furnace (2) is communicated with the inside of the top box (3) through an opening, and the upper end surface of the top box (3) is provided with a discharge port (301) at the center.

9. The automobile window film processing process exhaust treatment device according to claim 1, characterized in that, The lower end of the heat preservation shell (5) is provided with a support (501), and the lower end of the support (501) is connected with the bottom plate (1).

10. The automobile window film processing process exhaust treatment device according to claim 1, characterized in that, The lower end surface of the bottom plate (1) is provided with support legs (101) at four corners.

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