Steel wool urea-resistant anti-corrosion device for automobile post-treatment mixer

Abstract

The utility model relates to the field of anti-corrosion devices, in particular to a steel wool urea-resistant anti-corrosion device for an automobile aftertreatment mixer. The technical problem that most anti-corrosion devices are only provided with pure anti-corrosion protection structures, so that the anti-corrosion devices cannot be replaced, disassembled and assembled in time according to needs is solved. According to the technical scheme, the steel wool urea-resistant anti-corrosion device for the automobile aftertreatment mixer comprises an anti-corrosion device body. According to the utility model, the device can be quickly and stably mounted as required by arranging the sealing mounting assembly, has a sealing protection effect, prevents harmful gas in automobile exhaust from overflowing, ensures that the steel wool corrosion-resistant device is firmly fixed in the mixer and cannot shift due to vibration or temperature change of an automobile, and is convenient to use. The drying protection assembly can adsorb molecules in gas and adsorb and filter harmful substances in time, and the anti-corrosion protection assembly can increase the contact area of a urea solution and exhaust gas and improve the mixing efficiency, so that the overall performance of the SCR system is improved.

Description

Technical Field

[0001] The utility model relates to the field of anti-corrosion devices, in particular to a steel wool urea-resistant anti-corrosion device for an automobile post-processing mixer. Background Art

[0002] The steel wool urea-resistant anti-corrosion device for automobile after-treatment mixer is a material or component used to protect the inside of the mixer of the automobile exhaust treatment system. These mixers are usually used to mix urea solution and exhaust gas to reduce the emission of nitrogen oxides during the (SCR) process. Function: Anti-corrosion: Urea solution is corrosive to many metal materials, especially steel and cast iron. Steel wool or similar corrosion-resistant materials can be used to wrap or cover metal parts that may directly contact with urea solution to prevent corrosion; Mixing efficiency: The rough surface of steel wool can increase the contact area between urea solution and exhaust gas, improve mixing efficiency, and thus improve the overall performance of the SCR system; However, most of the existing anti-corrosion devices only have a simple anti-corrosion protection structure, which leads to the problem that they cannot be replaced and disassembled in time as needed. The utility model provides a device that can be replaced and disassembled in time as needed. Utility Model Content

[0003] In order to overcome the problem that the anti-corrosion devices are mostly provided with simple anti-corrosion protection structures during use, resulting in the inability to be replaced or disassembled in time as required.

[0004] The technical solution of the utility model is: a steel wool urea-resistant anti-corrosion device for an automobile after-treatment mixer, comprising an anti-corrosion device body, and also comprising a sealing installation component, a drying protection component, and an anti-corrosion protection component; the anti-corrosion device body is divided into a sealing installation component for firmly fixing the device; a drying protection component for gas drying is fixedly installed inside the sealing installation component; an anti-corrosion protection component for corrosion prevention is snap-fitted inside the sealing installation component.

[0005] Preferably, the sealing installation component can quickly and firmly install the device as needed, and has a sealing protection function to prevent the harmful gases in the automobile exhaust from overflowing, ensuring that the steel wool corrosion-resistant device is firmly fixed inside the mixer and will not shift due to vehicle vibration or temperature changes. The drying protection component can adsorb the molecules in the gas and timely adsorb and filter the harmful substances. The anti-corrosion protection component can increase the contact area between the urea solution and the exhaust gas, improve the mixing efficiency, and thus improve the overall performance of the SCR system.

[0006] Preferably, the sealing installation assembly includes a sealing steel pipe, a dry installation frame, a buffer rubber pad and a snap-fit ​​installation corner block; the dry installation frame is fixedly installed on the side end of the sealing steel pipe, and the snap-fit ​​installation corner block on the side end of the dry installation frame is limitedly snap-fitted and installed to the exhaust connection of the automobile, and the buffer rubber pad on the side end of the dry installation frame has a buffering and protective function.

[0007] Preferably, a buffer rubber pad is fixedly connected to the side end of the dry installation frame; a snap-fit ​​installation angle block is fixedly installed on the side end of the buffer rubber pad to ensure that the steel wool corrosion-resistant device is firmly fixed inside the mixer and will not shift due to vehicle vibration or temperature changes. The sealing steel pipe has a sealing protection function to prevent harmful gases in automobile exhaust from overflowing.

[0008] Preferably, the dry protection component includes an insulating protective layer, a limiting placement frame, a breathable through hole, a snap-fit ​​cover plate and an adsorption block; the insulating protective layer is fixedly connected to the inner side of the dry installation frame, the adsorption block is limitedly placed in the limiting placement frame outside the insulating protective layer, and the snap-fit ​​cover plate is snap-fitted and installed to the upper end of the limiting placement frame for secure installation when the automobile exhaust is discharged.

[0009] Preferably, limited placement frames are fixedly installed at the upper and lower ends of the isolation protection layer; a ventilation hole is opened inside the limited placement frame; a locking cover plate is installed at the lower end of the limited placement frame; an adsorption block is limitedly placed inside the limited placement frame, which can adsorb molecules in the gas and timely adsorb and filter harmful substances.

[0010] Preferably, the anti-corrosion protection component includes a clamping mesh frame, a steel wool anti-corrosion body, a snap-fit ​​sealing cover and an L-shaped snap-fit ​​block; a clamping mesh frame is arranged inside the sealed steel pipe, the steel wool anti-corrosion body is limited and evenly placed in the clamping mesh frame, and the snap-fit ​​sealing cover is snap-fitted and installed to the side end of the clamping mesh frame.

[0011] Preferably, the internal limit clamp of the clamping mesh frame holds a steel wool anti-corrosion body; a clamping sealing cover is installed on both sides of the clamping mesh frame; an L-shaped clamping block is fixedly installed on the side end of the clamping sealing cover to increase the contact area between the urea solution and the exhaust gas, improve the mixing efficiency, and thus improve the overall performance of the SCR system.

[0012] Beneficial effects of the utility model:

[0013] 1. During use, the sealing installation component can quickly and firmly install the device as needed, and has a sealing protection function to prevent the harmful gas in the automobile exhaust from overflowing, ensuring that the steel wool corrosion-resistant device is firmly fixed inside the mixer and will not shift due to vehicle vibration or temperature changes. The drying protection component can adsorb the molecules in the gas and absorb and filter the harmful substances in time. The anti-corrosion protection component can increase the contact area between the urea solution and the exhaust gas, improve the mixing efficiency, and thus improve the overall performance of the SCR system;

[0014] 2. Install the snap-fit ​​installation corner block on the side of the dry installation enclosure to the exhaust connection of the car. The buffer rubber pad on the side of the dry installation enclosure has a buffering protection function to ensure that the steel wool corrosion-resistant device is firmly fixed inside the mixer and will not shift due to vehicle vibration or temperature changes. The sealing steel pipe has a sealing protection function to prevent the harmful gas in the car exhaust from overflowing;

[0015] 3. Place the adsorption block in the limit placement frame outside the isolation protection layer, and install the snap-fit ​​cover plate to the upper end of the limit placement frame for stable installation. When the automobile exhaust is discharged, the molecules in the gas can be adsorbed and the harmful substances can be adsorbed and filtered in time;

[0016] 4. Place the steel wool anti-corrosion body evenly in the clamping frame, and install the snap-fit ​​sealing cover to the side end of the clamping frame. This can increase the contact area between the urea solution and the exhaust gas, improve the mixing efficiency, and thus improve the overall performance of the SCR system. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 What is shown is a three-dimensional structural schematic diagram of the anti-corrosion device of the utility model;

[0018] Figure 2 Shown is a schematic diagram of the sealing installation assembly structure of the anti-corrosion device of the utility model;

[0019] Figure 3 Shown is a schematic diagram of a drying protection component of the anti-corrosion device of the utility model;

[0020] Figure 4 Shown is a schematic diagram of the anti-corrosion protection component of the anti-corrosion device of the utility model.

[0021] Explanation of the accompanying drawings: 1. Anti-corrosion device body; 2. Sealing installation assembly; 3. Dry protection assembly; 4. Anti-corrosion protection assembly; 201. Sealing steel pipe; 202. Dry installation frame; 203. Buffer rubber pad; 204. Snap-fit ​​installation corner block; 301. Isolation protection layer; 302. Positioning frame; 303. Breathable through hole; 304. Snap-fit ​​cover plate; 305. Adsorption block; 401. Clamping mesh frame; 402. Steel wool anti-corrosion body; 403. Snap-fit ​​sealing cover; 404. L-shaped snap-fit ​​block. DETAILED DESCRIPTION

[0022] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0023] See also Figure 1The utility model provides an embodiment: a steel wool urea-resistant anti-corrosion device for an automobile after-treatment mixer, comprising an anti-corrosion device body 1, and also comprising a sealing installation component 2, a drying protection component 3, and an anti-corrosion protection component 4; the anti-corrosion device body 1 is divided into a sealing installation component 2 for firmly fixing the device; a drying protection component 3 for gas drying is fixedly installed inside the sealing installation component 2; an anti-corrosion protection component 4 for corrosion prevention is snap-fitted and installed inside the sealing installation component 2; the sealing installation component 2 can quickly and firmly install the device as needed, and has a sealing protection function to prevent the harmful gas in the automobile exhaust from overflowing, and ensure that the steel wool corrosion-resistant device is firmly fixed inside the mixer and will not shift due to vehicle vibration or temperature changes; the drying protection component 3 can adsorb molecules in the gas and timely adsorb and filter harmful substances; the anti-corrosion protection component 4 can increase the contact area between the urea solution and the exhaust gas, improve the mixing efficiency, and thus improve the overall performance of the SCR system.

[0024] See also Figure 2 In this embodiment, the sealing installation component 2 includes a sealing steel pipe 201, a dry installation frame 202, a buffer rubber pad 203 and a snap-fit ​​installation angle block 204; the side end of the sealing steel pipe 201 is fixedly installed with the dry installation frame 202, and the side end of the dry installation frame 202 is fixedly connected with the buffer rubber pad 203; the side end of the buffer rubber pad 203 is fixedly installed with the snap-fit ​​installation angle block 204, and the snap-fit ​​installation angle block 204 at the side end of the dry installation frame 202 is limited and snap-fitted to the automobile exhaust connection. The buffer rubber pad 203 at the side end of the dry installation frame 202 has a buffering protection function, ensuring that the steel wool corrosion-resistant device is firmly fixed inside the mixer and will not shift due to vehicle vibration or temperature changes. The sealing steel pipe 201 has a sealing protection function to prevent harmful gases in automobile exhaust from overflowing.

[0025] See also Figure 3-4In this embodiment, the drying protection component 3 includes an insulating protective layer 301, a limiting placement frame 302, a ventilating through hole 303, a snap-fit ​​cover plate 304 and an adsorption block 305; the inner side of the drying installation enclosure 202 is fixedly connected with the insulating protective layer 301, and the limiting placement frame 302 is fixedly installed at the upper and lower ends of the insulating protective layer 301; the limiting placement frame 302 is provided with a ventilating through hole 303; the lower end of the limiting placement frame 302 is snap-fitted with a snap-fit ​​cover plate 304; the limiting placement frame 302 is limitedly placed with an adsorption block 305, the adsorption block 305 is limitedly placed in the limiting placement frame 302 outside the insulating protective layer 301, and the snap-fit ​​cover plate 304 is snap-fitted and installed to the upper end of the limiting placement frame 302 for stable installation. When the exhaust gas of the automobile is discharged, the gas in the gas can be The molecules are adsorbed and harmful substances are adsorbed and filtered in time. The anti-corrosion protection component 4 includes a clamping mesh frame 401, a steel wool anti-corrosion body 402, a snap-fit ​​sealing cover 403 and an L-shaped snap-fit ​​block 404; a clamping mesh frame 401 is arranged inside the sealed steel pipe 201, and the steel wool anti-corrosion body 402 is clamped inside the clamping mesh frame 401; snap-fit ​​sealing covers 403 are snap-fitted and installed on both sides of the clamping mesh frame 401; an L-shaped snap-fit ​​block 404 is fixedly installed on the side end of the snap-fit ​​sealing cover 403, and the steel wool anti-corrosion body 402 is evenly placed in the clamping mesh frame 401, and the snap-fit ​​sealing cover 403 is snap-fitted and installed to the side end of the clamping mesh frame 401, which can increase the contact area between the urea solution and the exhaust gas, improve the mixing efficiency, and thus improve the overall performance of the SCR system.

[0026] When in use, firstly, the snap-fit ​​installation corner block 204 at the side end of the dry installation enclosure 202 is limitedly snap-fitted and installed to the automobile exhaust connection. The buffer rubber pad 203 at the side end of the dry installation enclosure 202 has a buffering protection function, ensuring that the steel wool corrosion-resistant device is firmly fixed inside the mixer and will not shift due to vehicle vibration or temperature changes. The sealing steel pipe 201 has a sealing protection function to prevent the harmful gas in the automobile exhaust from overflowing;

[0027] Then, the adsorption block 305 is limited and placed in the limiting placement frame 302 outside the isolation protection layer 301, and the snap-fit ​​cover plate 304 is snap-fitted and installed to the upper end of the limiting placement frame 302 for firm installation. When the automobile exhaust is discharged, the molecules in the gas can be adsorbed, and the harmful substances can be adsorbed and filtered in time. Finally, the steel wool anti-corrosion body 402 is limited and evenly placed in the clamping mesh frame 401, and the snap-fit ​​sealing cover 403 is snap-fitted and installed to the side end of the clamping mesh frame 401, which can increase the contact area between the urea solution and the exhaust gas, improve the mixing efficiency, and thus improve the overall performance of the SCR system.

[0028] Through the above steps, the sealing installation component 2 can be set to quickly and stably install the device as needed, and has a sealing protection function to prevent the harmful gas in the automobile exhaust from overflowing, and ensure that the steel wool corrosion-resistant device is firmly fixed inside the mixer and will not shift due to vehicle vibration or temperature changes. The drying protection component 3 can adsorb the molecules in the gas and absorb and filter the harmful substances in time. The anti-corrosion protection component 4 can increase the contact area between the urea solution and the exhaust gas, improve the mixing efficiency, and thus improve the overall performance of the SCR system.

[0029] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A steel wool urea-resistant anti-corrosion device for an automobile aftertreatment mixer, comprising an anti-corrosion device body (1); characterized in that: The invention also comprises a sealing installation component (2), a drying protection component (3), and an anti-corrosion protection component (4); the anti-corrosion device body (1) is divided into a sealing installation component (2) for firmly fixing the device; a drying protection component (3) for gas drying is fixedly installed inside the sealing installation component (2); and an anti-corrosion protection component (4) for anti-corrosion is snap-fitted inside the sealing installation component (2).

2. The steel wool urea-resistant anti-corrosion device for automobile aftertreatment mixer according to claim 1, characterized in that: The sealing installation assembly (2) comprises a sealing steel pipe (201), a dry installation frame (202), a buffer rubber pad (203) and a snap-fit ​​installation corner block (204); the dry installation frame (202) is fixedly installed on the side end of the sealing steel pipe (201).

3. The steel wool urea-resistant anti-corrosion device for automobile aftertreatment mixer according to claim 2, characterized in that: A buffer rubber pad (203) is fixedly connected to a side end of the dry installation enclosure frame (202); and a snap-fit ​​installation corner block (204) is fixedly installed to a side end of the buffer rubber pad (203).

4. The steel wool urea-resistant anti-corrosion device for automobile aftertreatment mixer according to claim 2, characterized in that: The drying protection component (3) comprises an insulating protection layer (301), a limiting placement frame (302), a ventilating through hole (303), a snap-fit ​​cover plate (304) and an adsorption block (305); the insulating protection layer (301) is fixedly connected to the inner side of the drying installation enclosure frame (202).

5. The steel wool urea-resistant anti-corrosion device for automobile aftertreatment mixer according to claim 4, characterized in that: A limited placement frame (302) is fixedly installed at the upper and lower ends of the isolation protection layer (301); a ventilation hole (303) is provided inside the limited placement frame (302); a locking cover plate (304) is locked and installed at the lower end of the limited placement frame (302); and an adsorption block (305) is placed inside the limited placement frame (302) to limit the position.

6. The steel wool urea-resistant anti-corrosion device for automobile aftertreatment mixer according to claim 2, characterized in that: The anti-corrosion protection component (4) comprises a clamping mesh frame (401), a steel wool anti-corrosion body (402), a snap-fit ​​sealing cover (403) and an L-shaped snap-fit ​​block (404); the clamping mesh frame (401) is arranged inside the sealing steel pipe (201).

7. The steel wool urea-resistant anti-corrosion device for automobile aftertreatment mixer according to claim 6, characterized in that: The clamping net frame (401) has a steel wool anti-corrosion body (402) inside the limit clamp; the clamping net frame (401) has a clamping sealing cover (403) mounted on both sides; and an L-shaped clamping block (404) is fixedly mounted on the side end of the clamping sealing cover (403).

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