CN214499205U

CN214499205U - Preceding stage catalysis filter core structure

Info

Publication number: CN214499205U
Application number: CN202120576541.4U
Authority: CN
Inventors: 樊江波
Original assignee: Chongqing Xinhuilian Technology Co ltd
Current assignee: Chongqing Xinhuilian Technology Co ltd
Priority date: 2021-03-22
Filing date: 2021-03-22
Publication date: 2021-10-26
Anticipated expiration: 2031-03-22

Abstract

The utility model relates to a preceding stage catalysis filter element structure, which comprises a shell and a core body positioned in the shell, wherein the core body comprises a plurality of first filter plates and a plurality of second filter plates which are arranged at intervals, a plurality of first convex pipes are arranged on the first filter plates, and a plurality of second convex pipes are arranged on the second filter plates; the first convex pipe and the second convex pipe extend in the same direction, the front ends of the first convex pipe and the second convex pipe are of a closed structure, the front end of the second convex pipe penetrates through the adjacent first filter plate, and the front end of the first convex pipe penetrates through the adjacent second filter plate; and a chamber for filling a catalyst is arranged between the first filter plate and the second filter plate. This technical scheme has also increased the area of contact between with the catalyst when having increased the filter area with tail gas, can effectively improve the filter effect and the catalytic treatment effect to tail gas.

Description

Preceding stage catalysis filter core structure

Technical Field

The utility model relates to an automobile exhaust handles the field, particularly, is a preceding stage catalysis filter core structure.

Background

The automobile exhaust catalyst mainly collects harmful gases such as carbon oxide (COx), Hydrocarbon (HC), nitrogen oxide (NOx), sulfur oxide (SOx) and the like which are discharged by incomplete combustion of an automobile engine into the exhaust catalyst, the catalyst catalyzes the harmful gases under a certain temperature condition, and the harmful gases are oxidized and reduced to be converted into carbon dioxide, water and nitrogen which are relatively less harmful or harmless, so that the emission requirements are met.

At present, the traditional filter element has poor filtering effect, and the problem of how to improve the filtering effect through structural improvement is urgently needed to be solved.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the technical problem who exists among the prior art, provide a preceding stage catalysis filter core structure.

The utility model provides an above-mentioned technical problem's technical scheme as follows:

a preceding stage catalytic filter element structure comprises a shell and a core body positioned in the shell, wherein the core body comprises a plurality of first filter plates and a plurality of second filter plates which are arranged at intervals, a plurality of first convex pipes are arranged on the first filter plates, and a plurality of second convex pipes are arranged on the second filter plates;

the first convex pipe and the second convex pipe extend in the same direction, the front ends of the first convex pipe and the second convex pipe are of a closed structure, the front end of the second convex pipe penetrates through the adjacent first filter plate, and the front end of the first convex pipe penetrates through the adjacent second filter plate;

and a chamber for filling a catalyst is arranged between the first filter plate and the second filter plate.

Further limited, the first filter plate and the second filter plate are both microporous ceramic plates.

Further, a catalyst carrier is filled between the first filter plate and the second filter plate.

Further limiting, the catalyst carrier is a honeycomb plate-shaped structure, and a plurality of through holes for the first convex pipes or the second convex pipes to pass through and convex strips extending into the first convex pipes or the second convex pipes are formed in the honeycomb plate-shaped structure.

Further defined, the catalyst support is of a flocculent structure.

Further, a support retainer ring is arranged between the first filter plate and the second filter plate.

The utility model has the advantages that:

the shell is used as a tail gas channel, the first filter plate and the second filter plate transversely intersect the shell to form a tail gas filtering structure, and a cavity between the first filter plate and the second filter plate can be filled with a catalyst for treating the tail gas;

meanwhile, the first filter plate and the second filter plate are connected in series through the first convex pipe and the second convex pipe, and can be replaced in a subsection mode in the updating and maintaining process, so that the later maintenance cost can be saved;

the microporous ceramic plate has a good filtering effect, and meanwhile, the material of the microporous ceramic plate has extremely high heat resistance, so that the service life can be prolonged;

the catalyst carrier can be honeycomb plate structure, and it fills in the cavity and with the form laminating of cavity, can improve the catalytic treatment effect to tail gas, perhaps be the flocculent structure to set up the support retaining ring between first filter plate and second filter plate, prevent to cause the extrusion to the catalyst carrier of flocculent structure.

Drawings

Fig. 1 is a schematic structural view of the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

the filter comprises a shell 1, a first filter plate 2, a second filter plate 3, a first convex pipe 4, a second convex pipe 5, a chamber 6 and a supporting retainer ring 7.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 1, a preceding-stage catalytic filter element structure comprises a shell 1 and a core body positioned in the shell 1, wherein the core body comprises a plurality of first filter plates 2 and second filter plates 3 which are arranged at intervals, a plurality of first convex pipes 4 are arranged on the first filter plates 2, and a plurality of second convex pipes 5 are arranged on the second filter plates 3;

the first convex pipe 4 and the second convex pipe 5 extend in the same direction, the front ends of the first convex pipe 4 and the second convex pipe 5 are of a closed structure, the front end of the second convex pipe 5 penetrates through the adjacent first filter plate 2, and the front end of the first convex pipe 4 penetrates through the adjacent second filter plate 3;

a chamber 6 for filling the catalyst is arranged between the first filter plate 2 and the second filter plate 3.

The first filter plate 2 and the second filter plate 3 are both microporous ceramic plates.

And a catalyst carrier is filled between the first filter plate 2 and the second filter plate 3.

The catalyst carrier is of a honeycomb plate-shaped structure, and a plurality of through holes for the first convex pipes 4 or the second convex pipes 5 to pass through and convex strips extending into the first convex pipes 4 or the second convex pipes 5 are formed in the honeycomb plate-shaped structure.

The catalyst carrier is of a flocculent structure.

And a supporting retainer ring 7 is arranged between the first filter plate 2 and the second filter plate 3.

The utility model has the advantages that:

the shell 1 is used as a tail gas channel, the first filter plate 2 and the second filter plate 3 transversely intersect the interior of the shell 1 to form a tail gas filtering structure, a cavity 6 between the first filter plate 2 and the second filter plate 3 can be filled with a catalyst for treating the tail gas, the first convex pipe 4 and the second convex pipe 5 respectively penetrate through the cavity 6, the outer wall of the first convex pipe and the outer wall of the second convex pipe form a tail gas filtering structure, the tail gas filtering area is increased, the contact area between the first convex pipe and the catalyst is increased, and the tail gas filtering effect and the catalytic treatment effect can be effectively improved;

meanwhile, the first filter plate 2 and the second filter plate 3 are connected in series through the first convex pipe 4 and the second convex pipe 5, so that the filter plates can be replaced in different parts in the updating and maintaining process, and the later maintenance cost can be saved;

the catalyst carrier can be honeycomb plate structure, and it fills in cavity 6 and with the form laminating of cavity 6, can improve the catalytic treatment effect to tail gas, perhaps be the flocculent structure to set up supporting collar 7 between first filter plate 2 and second filter plate 3, prevent to cause the extrusion to the catalyst carrier of flocculent structure.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a preceding stage catalysis filter core structure, includes the casing and is located the core of casing, its characterized in that: the core body comprises a plurality of first filter plates and a plurality of second filter plates which are arranged at intervals, wherein a plurality of first convex pipes are arranged on the first filter plates, and a plurality of second convex pipes are arranged on the second filter plates;

2. The pre-stage catalytic filter element arrangement according to claim 1, wherein: the first filter plate and the second filter plate are both microporous ceramic plates.

3. The pre-stage catalytic filter element arrangement according to claim 2, wherein: and a catalyst carrier is filled between the first filter plate and the second filter plate.

4. The pre-stage catalytic filter element arrangement according to claim 3, wherein: the catalyst carrier is of a honeycomb plate-shaped structure, and a plurality of through holes for the first convex pipes or the second convex pipes to pass through and convex strips extending into the first convex pipes or the second convex pipes are formed in the honeycomb plate-shaped structure.

5. The pre-stage catalytic filter element arrangement according to claim 3, wherein: the catalyst carrier is of a flocculent structure.

6. The pre-stage catalytic filter element arrangement according to claim 4 or 5, wherein: and a supporting retainer ring is arranged between the first filter plate and the second filter plate.