CN219472178U

CN219472178U - Tail gas catalytic cleaner

Info

Publication number: CN219472178U
Application number: CN202320489986.8U
Authority: CN
Inventors: 程春晖; 吴应安; 彭洋; 周波; 颜勇; 游强
Original assignee: Chongqing Bohou Machinery Manufacturing Co ltd
Current assignee: Chongqing Bohou Machinery Manufacturing Co ltd
Priority date: 2023-03-15
Filing date: 2023-03-15
Publication date: 2023-08-04
Anticipated expiration: 2033-03-15

Abstract

The utility model provides a tail gas catalytic cleaner, which relates to the technical field of tail gas catalytic cleaners and comprises a catalytic cleaner shell; an air inlet is formed in one end of the catalyst shell, an air outlet is formed in the other end of the catalyst shell, an inner pipe body is arranged in the catalyst shell, and a catalyst carrier is arranged in the inner pipe body; the inner part of the outer shell of the catalytic converter is provided with a force release tension spring in a surrounding shape, the force release tension spring is connected with the inner pipe body, and the inner pipe body is connected with the outer shell of the catalytic converter through the force release tension spring; and flexible metal corrugated pipes are arranged at two ends inside the catalyst shell and connected with the inner pipe body. According to the utility model, when a vehicle collides due to an accident, the inner pipe body in the outer shell of the catalyst is impacted to move to release force, the impact force borne by the inner pipe body is buffered by the force release tension spring, so that the stress intensity of the catalyst carrier in the inner pipe body is reduced, the catalyst carrier is kept in a complete state, and the occurrence of a crushing phenomenon of the catalyst carrier due to overlarge stress is effectively avoided.

Description

Tail gas catalytic cleaner

Technical Field

The utility model belongs to the technical field of tail gas catalytic converters, and particularly relates to a tail gas catalytic converter.

Background

The motor vehicle generates tail gas in the running process, the tail gas contains hundreds of different compounds, and pollutants in the tail gas comprise solid suspended particles, carbon monoxide, carbon dioxide and the like, and the tail gas directly endangers the health of a human body, so that the tail gas can be discharged after reaching the standard through catalytic purification by a catalytic purifier.

The exhaust gas catalytic cleaner can refer to CN203822429U, and mainly comprises a housing and a carrier arranged in the housing, wherein the carrier comprises a front carrier positioned at the front part of the housing and a rear carrier positioned at the rear part of the housing, the front carrier is coated with a diesel oxidation type catalyst coating, and the rear carrier is coated with a particle oxidation type catalytic cleaner coating. The front-stage carrier is coated with a diesel oxidation catalyst coating for treating CO and HC in the tail gas of the diesel engine, the rear-stage carrier is coated with a particle oxidation catalytic cleaner coating for treating PM in the tail gas of the diesel engine, and the front-stage carrier and the rear-stage carrier are arranged in a cylinder body, so that the structure is simple, the processing technology is simple, and the cost is saved.

The existing similar tail gas catalytic cleaner has poor self protection effect in the application process, and when a vehicle collides due to an accident, the catalyst carrier in the tail gas catalytic cleaner is easily broken due to the influence of the collision, the subsequent tail gas catalytic cleaning effect is influenced, overhaulers are required to disassemble, assemble and replace, and the process is complicated.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a tail gas catalytic cleaner, which aims to solve the problems that the existing similar tail gas catalytic cleaner has poor self-protection effect in the application process, and when a vehicle collides due to an accident, a catalyst carrier in the tail gas catalytic cleaner is easily broken under the influence of the collision, so that the subsequent tail gas catalytic cleaning effect is influenced.

The utility model discloses a tail gas catalytic cleaner, which is characterized by comprising the following specific technical means:

an exhaust gas catalytic cleaner comprises a catalyst housing; an air inlet is formed in one end of the catalyst shell, an air outlet is formed in the other end of the catalyst shell, an inner pipe body is arranged in the catalyst shell, and a catalyst carrier is arranged in the inner pipe body; the inner part of the outer shell of the catalytic converter is provided with a force release tension spring in a surrounding shape, the force release tension spring is connected with the inner pipe body, and the inner pipe body is connected with the outer shell of the catalytic converter through the force release tension spring; the two ends of the inside of the catalyst shell are provided with flexible metal corrugated pipes which are connected with the inner pipe body; the inside of the catalyst shell is provided with a ventilation frame, and the outside of the ventilation frame is provided with a baffle plate.

Further, the interval distance between the upper end and the lower end of the inner tube body and the interior of the catalyst shell is two centimeters, and the interval distance between the left end and the right end of the inner tube body and the interior of the catalyst shell is three centimeters.

Furthermore, the inside of the outer shell of the catalytic converter is provided with an inner connecting hole, two ends of the outer side of the inner tube are respectively provided with an outer connecting hole, one end of the force release tension spring is connected in the inner connecting hole, and the other end of the force release tension spring is connected in the outer connecting hole.

Further, the two ends of the inner pipe body are respectively connected with two flexible metal corrugated pipes, one flexible metal corrugated pipe is communicated with the air inlet, and the other flexible metal corrugated pipe is communicated with the air outlet.

Furthermore, the outer side of the outer shell of the catalyst is provided with heat dissipation outer strips in a surrounding mode, and the outer side of the inner tube is provided with heat dissipation inner fins at equal intervals.

Further, the ventilation frame is positioned in the exhaust port, and the baffle is rotationally connected with the ventilation frame.

The beneficial effects are that:

1. the arrangement of the force release tension spring is beneficial to the movement of the force release of the inner pipe body in the outer shell of the catalyst under the influence of impact when the vehicle collides due to an accident, the force release tension spring buffers the impact force born by the inner pipe body, reduces the stress intensity of the catalyst carrier in the inner pipe body, ensures that the catalyst carrier is kept in a complete state, and effectively avoids the occurrence of crushing phenomenon of the catalyst carrier due to overlarge stress; and the flexible metal bellows is matched, when the inner pipe body moves to release force, the two ends of the inner pipe body are respectively communicated with the air inlet and the air outlet through the flexible metal bellows, so that the catalytic purification effect of automobile exhaust is ensured.

2. The heat dissipation outer strips and the heat dissipation inner fins are arranged, so that the heat dissipation area of the outer side of the inner pipe body is increased through the heat dissipation inner fins, the heat dissipation area of the outer side of the outer shell of the catalyst is increased through the heat dissipation outer strips, the heat in the catalyst carrier can be released into the air more quickly, the catalyst carrier is kept at a specified working temperature, and the influence on the catalytic purification effect of automobile exhaust is avoided due to the fact that the temperature of the catalyst carrier is too high; and the setting of cooperation baffle, through the baffle with the gas vent shutoff when stopping, avoid the mouse to get into inside to cause gnawing the damage to catalyst carrier, when discharging tail gas, the baffle is opened by tail gas thrust influence, guarantee tail gas emission's smoothness nature.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.

Drawings

FIG. 1 is a schematic view of the overall axial structure of an exhaust gas catalytic converter according to the present utility model;

FIG. 2 is a schematic cross-sectional view of the exhaust gas catalytic converter of the present utility model;

FIG. 3 is a schematic view of the split structure of the inner tube and flexible metal bellows of the present utility model;

FIG. 4 is a schematic view of the connection structure of the ventilation frame and the baffle plate of the present utility model.

In the figure, the correspondence between the component names and the drawing numbers is:

1. a catalyst housing; 101. an air inlet; 102. an exhaust port; 103. an inner connecting hole; 104. a heat dissipation outer strip; 2. an inner tube body; 201. an outer connecting hole; 202. a heat radiation inner fin; 3. a catalyst carrier; 4. a force release tension spring; 5. a flexible metal bellows; 6. a ventilation frame; 7. and a baffle.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples.

Examples:

as shown in fig. 1 to 4:

the utility model provides an exhaust catalytic cleaner, comprising a catalyst shell 1; an air inlet 101 is formed in one end of the catalyst shell 1, an air outlet 102 is formed in the other end of the catalyst shell 1, an inner pipe body 2 is arranged in the catalyst shell 1, and a catalyst carrier 3 is arranged in the inner pipe body 2; the interval distance between the upper end and the lower end of the inner tube body 2 and the interior of the catalyst shell 1 is two centimeters, and the interval distance between the left end and the right end of the inner tube body 2 and the interior of the catalyst shell 1 is three centimeters; the inside of the catalytic converter shell 1 is provided with a force release tension spring 4 in a surrounding shape, the force release tension spring 4 is connected with the inner pipe body 2, and the inner pipe body 2 is connected with the catalytic converter shell 1 through the force release tension spring 4; the inner connecting hole 103 is formed in the inner side of the catalyst shell 1, the outer connecting holes 201 are formed in the two ends of the outer side of the inner pipe body 2 respectively, one end of the force release tension spring 4 is connected into the inner connecting holes 103, the other end of the force release tension spring 4 is connected into the outer connecting holes 201, when a vehicle collides due to an accident, the inner pipe body 2 in the catalyst shell 1 is impacted to move and release force, the force release tension spring 4 buffers the impact force borne by the inner pipe body 2, the stress intensity of the catalyst carrier 3 in the inner pipe body 2 is reduced, the catalyst carrier 3 is kept in a complete state, and the occurrence of a crushing phenomenon of the catalyst carrier 3 due to overlarge stress is effectively avoided; the two ends of the inside of the catalyst shell 1 are provided with flexible metal corrugated pipes 5, and the flexible metal corrugated pipes 5 are connected with the inner pipe body 2; the inside of the catalyst shell 1 is provided with a ventilation frame 6, and the outside of the ventilation frame 6 is provided with a baffle 7.

Wherein, inner tube body 2 both ends link to each other with two flexible metal bellows 5 respectively, and one of them flexible metal bellows 5 is linked together with air inlet 101, and another flexible metal bellows 5 is linked together with gas vent 102, and when inner tube body 2 removed the power of letting out, through flexible metal bellows 5 with inner tube body 2 both ends respectively with air inlet 101 and gas vent 102 be linked together, guarantee automobile exhaust catalytic purification effect.

Wherein, the outside of the catalyst shell 1 is the surrounding shape and is equipped with heat dissipation outer strip 104, and inner tube body 2 outside equidistance is equipped with heat dissipation inner fin 202, increases inner tube body 2 outside heat dissipation area through heat dissipation inner fin 202 to increase catalyst shell 1 outside heat dissipation area through heat dissipation outer strip 104, make the inside heat of catalyst carrier 3 can release in the air more fast, make catalyst carrier 3 keep at prescribed operating temperature, avoid catalyst carrier 3 high temperature, influence automobile exhaust catalytic purification effect.

Wherein, ventilative frame 6 is located gas vent 102, and baffle 7 rotates with ventilative frame 6 to be connected, blocks up gas vent 102 through baffle 7 when stopping, avoids the mouse mistake to go into inside and causes gnawing the damage to catalyst carrier 3, and when discharging tail gas, baffle 7 is opened by tail gas thrust influence, guarantee tail gas emission's smoothness nature.

Specific use and action of the embodiment:

when the utility model is used, automobile exhaust enters the inner pipe body 2 through the air inlet 101 and the flexible metal corrugated pipe 5, and the catalytic purification operation is carried out on the exhaust through the catalyst carrier 3 in the inner pipe body 2; when a vehicle collides due to an accident, the inner tube body 2 in the catalyst shell 1 is impacted to move to release force, the force release tension spring 4 buffers the impact force borne by the inner tube body 2, so that the stress intensity of the catalyst carrier 3 in the inner tube body 2 is reduced, the catalyst carrier 3 is kept in an intact state, and the occurrence of crushing phenomenon of the catalyst carrier 3 due to overlarge stress is effectively avoided; when the inner pipe body 2 moves to release force, two ends of the inner pipe body 2 are respectively communicated with the air inlet 101 and the air outlet 102 through the flexible metal corrugated pipe 5, so that the catalytic purification effect of automobile exhaust is ensured; the heat dissipation area of the outer side of the inner pipe body 2 is increased through the heat dissipation inner fins 202, and the heat dissipation area of the outer side of the catalyst shell 1 is increased through the heat dissipation outer strips 104, so that the heat in the catalyst carrier 3 can be released into the air more quickly, the catalyst carrier 3 is kept at a specified working temperature, and the influence on the catalytic purification effect of automobile exhaust is avoided due to the fact that the temperature of the catalyst carrier 3 is too high; when the vehicle is stopped, the exhaust port 102 is blocked by the baffle 7, so that the phenomenon that mice enter the catalyst carrier 3 by mistake to cause gnawing damage is avoided, and when exhaust is discharged, the baffle 7 is opened under the influence of the thrust of the exhaust, so that the smoothness of exhaust emission is ensured.

Claims

1. The utility model provides a tail gas catalytic converter which characterized in that: comprises a catalyst housing (1); an air inlet (101) is formed in one end of the catalyst shell (1), an air outlet (102) is formed in the other end of the catalyst shell (1), an inner pipe body (2) is arranged in the catalyst shell (1), and a catalyst carrier (3) is arranged in the inner pipe body (2); the inside of the catalyst shell (1) is provided with a force release tension spring (4) in a surrounding shape, the force release tension spring (4) is connected with the inner pipe body (2), and the inner pipe body (2) is connected with the catalyst shell (1) through the force release tension spring (4); the two ends of the inside of the catalyst shell (1) are provided with flexible metal corrugated pipes (5), and the flexible metal corrugated pipes (5) are connected with the inner pipe body (2); the inside of the catalyst shell (1) is provided with a ventilation frame (6), and the outside of the ventilation frame (6) is provided with a baffle plate (7).

2. The exhaust gas catalytic cleaner of claim 1, wherein: the upper end and the lower end of the inner pipe body (2) are spaced from the inside of the catalyst shell (1) by two centimeters, and the left end and the right end of the inner pipe body (2) are spaced from the inside of the catalyst shell (1) by three centimeters.

3. The exhaust gas catalytic cleaner of claim 1, wherein: the inside of the catalyst shell (1) is provided with an inner connecting hole (103), the two ends of the outer side of the inner tube body (2) are respectively provided with an outer connecting hole (201), one end of the force release tension spring (4) is connected into the inner connecting hole (103), and the other end of the force release tension spring (4) is connected into the outer connecting hole (201).

4. The exhaust gas catalytic cleaner of claim 1, wherein: the two ends of the inner pipe body (2) are respectively connected with two flexible metal corrugated pipes (5), one flexible metal corrugated pipe (5) is communicated with the air inlet (101), and the other flexible metal corrugated pipe (5) is communicated with the air outlet (102).

5. The exhaust gas catalytic cleaner of claim 1, wherein: the outer side of the catalyst shell (1) is provided with radiating outer strips (104) in a surrounding mode, and radiating inner fins (202) are arranged on the outer side of the inner tube body (2) at equal intervals.

6. The exhaust gas catalytic cleaner of claim 1, wherein: the ventilation frame (6) is positioned in the exhaust port (102), and the baffle plate (7) is rotationally connected with the ventilation frame (6).