CN215333062U

CN215333062U - Catalytic conversion device for tail gas of special mining vehicle

Info

Publication number: CN215333062U
Application number: CN202120835158.6U
Authority: CN
Inventors: 许宝新
Original assignee: Hebei Taina Mining Equipment Co ltd
Current assignee: Hebei Taina Mining Equipment Co ltd
Priority date: 2021-04-22
Filing date: 2021-04-22
Publication date: 2021-12-28
Anticipated expiration: 2031-04-22

Abstract

The utility model discloses a tail gas catalytic conversion device for a special mining vehicle, and relates to a tail gas catalytic conversion device. The catalyst carrier comprises a shell, a water inlet, a water outlet, an outer wall, a circulating water flowing area, an intermediate layer, a vacuum heat-preservation heat-insulation layer, an inner support layer and a catalyst carrier, wherein the water outlet and the water inlet are respectively arranged at the upper part and the lower part of one side of the shell; the water inlet and the water outlet are communicated with a circulating water flowing area. The utility model has reasonable structural design, and reduces the emission of pollutants by chemically replacing the tail gas discharged by the engine and the precious metal of the catalytic device under specific conditions.

Description

Catalytic conversion device for tail gas of special mining vehicle

Technical Field

The utility model relates to a tail gas catalytic conversion device, in particular to a tail gas catalytic conversion device for a special mining vehicle.

Background

Automobile exhaust is exhaust gas generated when an automobile is used, and contains hundreds of different compounds, wherein pollutants comprise solid suspended particles, carbon monoxide, carbon dioxide, hydrocarbons, nitrogen oxides, lead, sulfur oxides and the like. The tail gas can not only directly harm human health, but also have a profound influence on the environment of human life. The sulfur dioxide in the tail gas has strong pungent smell, and the sulfur dioxide easily causes the generation of acid rain when reaching a certain concentration, so that soil and water sources are acidified, and the growth of crops and forests is influenced. Harmful gas discharged by tail gas of the special mining vehicle in underground operation seriously pollutes the underground operation environment and directly harms the bodies of underground operators, so that a tail gas treatment device is needed to be designed, and a tail gas catalytic conversion device in the tail gas treatment device is one of important devices for reducing pollutant discharge.

In conclusion, the utility model designs the catalytic conversion device for the tail gas of the special mining vehicle.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide the tail gas catalytic conversion device for the special mining vehicle, which is reasonable in structural design, and reduces the emission of pollutants by chemically replacing the tail gas discharged by an engine and precious metals of a catalytic device under specific conditions.

In order to achieve the purpose, the utility model is realized by the following technical scheme: a catalytic conversion device for tail gas of a special mining vehicle comprises a shell, a water inlet, a water outlet, an outer wall, a circulating water flowing area, an intermediate layer, a vacuum heat-preservation heat-insulation layer, an inner support layer and a catalyst carrier, wherein the water outlet and the water inlet are respectively arranged at the upper part and the lower part of one side of the shell; the water inlet and the water outlet are communicated with a circulating water flowing area.

Preferably, the water inlet is connected with a cooling water pipeline.

Preferably, the middle layer is a middle interlayer of the circulating water flowing area and the vacuum heat-insulating layer.

The utility model has the beneficial effects that: the utility model has reasonable structural design, reduces the pollutant emission by chemically replacing the tail gas discharged by the engine and the precious metal of the catalytic device under specific conditions, has flame retardance and explosion resistance, can realize perfect catalysis, greatly reduces the pollutant emission, and has good use effect, safety, environmental protection and strong practicability.

Drawings

The utility model is described in detail below with reference to the drawings and the detailed description;

FIG. 1 is a schematic external view of the present invention;

fig. 2 is a sectional view taken along line a-a of fig. 1.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

Referring to fig. 1-2, the following technical solutions are adopted in the present embodiment: a catalytic conversion device for tail gas of a special mining vehicle comprises a shell 1, a water inlet 2, a water outlet 3, an outer wall 4, a circulating water flowing area 5, an intermediate layer 6, a vacuum heat-insulating layer 7, an inner supporting layer 8 and a catalyst carrier 9, wherein the water outlet 3 and the water inlet 2 are respectively arranged at the upper part and the lower part of one side of the shell 1, the circulating water flowing area 5 is arranged between the outer wall 4 of the shell 1 and the intermediate layer 6, the vacuum heat-insulating layer 7 is arranged in the intermediate layer 6, the inner side of the vacuum heat-insulating layer 7 is provided with the inner supporting layer 8, and the catalyst carrier 9 is arranged in the supporting layer 8; the water inlet 2 and the water outlet 3 are communicated with a circulating water flowing area 5.

It is noted that the water inlet 2 is connected to the cooling water pipe.

In addition, the middle layer 6 is a middle interlayer of the circulating water flowing area 5 and the vacuum heat-insulating layer 7.

The working principle of the specific embodiment is as follows: the catalytic converter of the embodiment is divided into an outer wall, a circulating water flowing area, a middle interlayer, a vacuum heat preservation and insulation layer, an inner wall supporting layer and a catalyst carrier layer. When the tail gas passes through the carrier layer, the high-temperature tail gas is chemically replaced with the precious metal of the carrier when passing through the carrier layer, so that the pollutant emission is reduced.

When the engine tail gas passes through the catalytic device, the effective catalytic reaction temperature is above 400 ℃, the perfect catalytic temperature is 700-. The special vehicle tail gas catalytic conversion device of the specific embodiment adopts a physical cooling mode of outer circulating water cooling, so that the surface temperature of the catalytic conversion device is not higher than 100 ℃, the inner layer adopts a hollow vacuum interlayer mode, the temperature of the inner layer catalyst is kept at 700-.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The catalytic conversion device for tail gas of the special mining vehicle is characterized by comprising a shell (1), a water inlet (2), a water outlet (3), an outer wall (4), a circulating water flowing area (5), an intermediate layer (6), a vacuum heat-insulation layer (7), an inner supporting layer (8) and a catalyst carrier (9), wherein the water outlet (3) and the water inlet (2) are respectively arranged at the upper part and the lower part of one side of the shell (1), the circulating water flowing area (5) is arranged between the outer wall (4) of the shell (1) and the intermediate layer (6), the vacuum heat-insulation layer (7) is arranged in the intermediate layer (6), the inner supporting layer (8) is arranged at the inner side of the vacuum heat-insulation layer (7), and the catalyst carrier (9) is arranged in the supporting layer (8); the water inlet (2) and the water outlet (3) are communicated with a circulating water flowing area (5).

2. A catalytic converter for tail gas of a special mining vehicle according to claim 1, characterized in that the water inlet (2) is connected with a cooling water pipeline.

3. The catalytic conversion device for tail gas of a special mining vehicle according to claim 1, wherein the intermediate layer (6) is an intermediate layer between a circulating water flowing area (5) and a vacuum heat-insulating layer (7).