CN215637230U - Catalyst reactor and catalyst incinerator - Google Patents

Abstract

The utility model discloses a catalyst reactor and a catalyst incinerator, wherein the catalyst reactor comprises an upper end cover, a shell and a lower end cover which are sequentially connected, an air inlet communicated with the inside of the shell is formed in the upper end cover, an air outlet is formed in the lower end cover, a filter screen, a guide plate, a catalyst packed bed and a temperature detection device are arranged in the shell, the filter screen is arranged close to the air inlet, the catalyst packed bed is arranged between the filter screen and the air outlet, a catalyst is arranged on the catalyst packed bed, the catalyst is metal or metal oxide, the catalyst packed bed and the catalyst are both in a porous structure, a guide hole is formed in the guide plate, and the guide plate is arranged between the filter screen and the catalyst packed bed and used for guiding filtered gas to the catalyst packed bed. The utility model can be used for catalyst incineration treatment of waste gas, and reduces the VOC content in the waste gas, so that the waste gas reaches the waste gas emission standard.

Description

Catalyst reactor and catalyst incinerator

Technical Field

The utility model relates to the technical field of mechanical equipment, in particular to a catalyst reactor and a catalyst incinerator.

Background

The direct emission of volatile organic waste gases can pollute the environment and cause great harm to human health, so that the volatile organic waste gases need to be treated to reduce the content of VOC.

The existing methods for treating volatile organic waste gas mainly comprise an active adsorption method, an induced air high-altitude discharge method, a combustion treatment method, an absorption degassing method, a condensation collection method, a biological treatment method and the like. The combustion treatment method is mainly based on that VOCs are organic volatile substances and are easy to combust, and the VOC can be converted into carbon dioxide and water by adopting normal temperature or catalytic oxidation combustion treatment. The catalyst incineration in the combustion treatment method can change the chemical reaction path by using the catalyst to reduce the activation energy required by the combustion reaction, thereby accelerating the reaction rate, reducing the reaction temperature and saving more energy. Catalyst incineration requires a catalyst incinerator to achieve this.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, the present invention is directed to a catalyst reactor and a catalyst incinerator.

The technical scheme of the utility model is as follows:

on the one hand, provide a catalyst reactor, including consecutive upper end cover, casing and lower end cover, be equipped with on the upper end cover with the inside communicating air inlet of casing, be equipped with the gas outlet on the lower end cover, be equipped with filter screen, guide plate, catalyst packed bed and temperature-detecting device in the casing, the filter screen is close to the air inlet sets up, the catalyst packed bed sets up the filter screen with between the gas outlet, be equipped with the catalyst on the catalyst packed bed, the catalyst is metal or metallic oxide, the catalyst packed bed with the catalyst all is porous structure, be equipped with the water conservancy diversion hole on the guide plate, the guide plate sets up the filter screen with between the catalyst packed bed for with the gas direction after filtering the catalyst packed bed.

Preferably, the upper end cover and the lower end cover are respectively connected with the upper end and the lower end of the shell through bolts or threads.

Preferably, the filter screen sets up a plurality ofly, and is a plurality of the filter screen is from last parallel arrangement down.

Preferably, the pore size of the filter screen is smaller closer to the catalyst packed bed.

Preferably, the cross section of the catalyst packed bed is any one of a circle, a sector and a polygon.

Preferably, the plurality of holes in the catalyst packed bed are circular holes, conical holes or polygonal holes.

Preferably, when the cross section of the catalyst packed bed is fan-shaped, the catalyst packed bed is provided with a plurality of catalyst packed beds which are spirally distributed from top to bottom.

Preferably, when the cross section of the catalyst packed bed is circular or polygonal, the inside of the catalyst packed bed is hollow, and the catalyst is disposed inside the catalyst packed bed.

On the other hand, the catalytic incinerator comprises a high-temperature furnace and a catalytic reactor arranged in the high-temperature furnace, wherein the catalytic reactor adopts any one of the catalytic reactors.

Preferably, the shell of the high-temperature furnace is of a double-layer structure, a cooling channel is formed between the double layers, the input end of the cooling channel is connected with the output end of the cooling device, and the output end of the cooling channel is connected with the cooling medium recovery tank.

The utility model has the beneficial effects that:

the utility model can be used for the catalyst incineration treatment of waste gas, and reduces the VOC content in the waste gas to make the waste gas reach the waste gas emission standard; in the process of treating the waste gas, the catalyst incineration treatment is adopted, so that the activation energy required by the combustion reaction can be reduced, the reaction rate is increased, the reaction temperature is reduced, and the purpose of saving energy is achieved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of a catalytic reactor according to the present invention;

FIG. 2 is a schematic view of the catalytic incinerator according to the present invention.

Reference numbers in the figures: 1-upper end cover, 2-shell, 3-lower end cover, 4-air inlet, 5-air outlet, 6-filter screen, 7-guide plate, 8-catalyst packed bed, 9-temperature detecting device, 10-catalyst, 11-guide hole, 12-high temperature furnace and 13-cooling channel.

Detailed Description

The utility model is further illustrated with reference to the following figures and examples.

It should be noted that, in the present application, the embodiments and the technical features of the embodiments may be combined with each other without conflict.

It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In the present invention, the terms "first", "second", and the like are used for distinguishing similar objects, but not for describing a particular order or sequence order, unless otherwise specified. It is to be understood that the terms so used; the terms "upper", "lower", "left", "right", and the like are used generally with respect to the orientation shown in the drawings, or with respect to the component itself in a vertical, or gravitational orientation; likewise, "inner", "outer", and the like refer to the inner and outer relative to the contours of the components themselves for ease of understanding and description. The above directional terms are not intended to limit the present invention.

In one aspect, as shown in fig. 1, the present invention provides a catalytic reactor, comprising an upper end cap 1, a shell 2, and a lower end cap 3 connected in sequence, the upper end cover 1 is provided with an air inlet 4 communicated with the interior of the shell 2, the lower end cover 3 is provided with an air outlet 5, a filter screen 6, a guide plate 7, a catalyst packed bed 8 and a temperature detection device 9 are arranged in the shell 2, the filter screen 6 is arranged close to the air inlet 4, the catalyst packed bed 8 is arranged between the filter screen 6 and the air outlet 5, the catalyst packed bed 8 is provided with a catalyst 10, the catalyst 10 is a metal or a metal oxide, the catalyst packed bed 8 and the catalyst 10 are both in a porous structure, the guide plate 7 is provided with guide holes 11, the guide plate 7 is arranged between the filter screen 6 and the catalyst packed bed 8 and used for guiding the filtered gas to the catalyst packed bed 8.

In one embodiment, the filter screen 6, the deflector 7 and the catalyst packed bed 8 are detachably disposed inside the housing 2, so that they can be easily cleaned or replaced. Optionally, the filter screen 6, the deflector 7, and the catalyst packed bed 8 are detachably fixed inside the housing 2 by bolts or brackets (not shown).

In a specific embodiment, the upper end cover 1 and the lower end cover 3 are respectively connected with the upper end and the lower end of the shell 2 through bolts or threads. It should be noted that, besides the connection method of the end cover and the housing in the embodiment, other detachable connection methods in the prior art may also be used for connection.

In a specific embodiment, the filter screens 6 are disposed in plurality, and the plurality of filter screens 6 are disposed in parallel from top to bottom, and the pore diameter of the filter screen closer to the catalyst packed bed 8 is smaller. It should be noted that the vertical position in the present invention is shown with reference to the drawings, and in actual use, the whole apparatus may be used upside down, with the air inlet 4 at the lower end, and the particulate residue filtered by the filter screen 6 is accumulated on the bottom in the housing 2, so that the filter screen is not clogged.

In a specific embodiment, the cross section of the catalyst packed bed 8 is any one of circular, fan-shaped, and polygonal (triangular, square, rectangular, regular hexagonal, etc.), and the multiple holes on the catalyst packed bed 8 are circular holes, conical holes, or polygonal holes.

Optionally, when the cross section of the catalyst packed bed 8 is fan-shaped, the catalyst packed bed 8 is provided in plurality and spirally distributed from top to bottom. Optionally, in this embodiment, the diversion holes of the diversion plate 7 are disposed opposite to the region with the catalyst packed bed.

Alternatively, when the cross section of the catalyst packed bed 8 is circular or polygonal, the inside of the catalyst packed bed 8 is hollow, and the catalyst 10 is disposed inside the catalyst packed bed 8. Optionally, in this embodiment, the bottom of the deflector 7 abuts against the top of the catalyst packed bed 8, and the deflector holes 11 on the deflector 7 correspond to the multiple holes on the top of the catalyst packed bed 8 one by one.

It should be noted that the guide plate 7 is used to guide the filtered exhaust gas to the catalyst packed bed 8 through the guide holes 11, and besides the guide plate 7 used in the above embodiment, the present invention may also use other guide plates in the prior art, such as a guide plate having functions of reducing the turbulence degree of the exhaust gas, in addition to the basic guide function.

On the other hand, as shown in fig. 2, the present invention also provides a catalyst incinerator comprising a high temperature furnace 12 and a catalyst reactor disposed in the high temperature furnace, wherein the catalyst reactor is the catalyst reactor described above, and the high temperature furnace 12 can perform heating or heat-retaining operation according to the temperature detected by the temperature detection device 9 in the catalyst reactor. The temperature detecting device 9 may adopt a temperature sensor or a temperature detecting rod, which is the prior art, and the detailed structure is not described herein.

In a specific embodiment, the outer shell of the high temperature furnace 12 has a double-layer structure, a cooling channel 13 is formed between the double layers, an input end of the cooling channel 13 is connected with an output end of a cooling device (not shown in the figure), and an output end of the cooling channel 13 is connected with a cooling medium recovery tank (not shown in the figure).

Optionally, the input end of the cooling channel 13 is disposed at the lower end of the high temperature furnace 12, the output end of the cooling channel 13 is disposed at the upper end of the high temperature furnace 12, and the cooling medium of the cooling device is cold air, so that the cooling medium and the exhaust gas in the catalytic reaction furnace form convection, and the cooling effect is accelerated. In the present embodiment, the cooling device is a device for delivering cold air, such as a blower, or the like.

Optionally, the cooling medium of the cooling device is cold water, and the water which takes away heat and returns to the cooling medium recovery tank can be naturally cooled and then recycled, so that energy is saved. In this embodiment, the cooling device is a water pump.

In a specific embodiment, the high temperature furnace 12 is a tubular furnace with a length of 23 cm, an inner diameter of 4 cm and an outer diameter of 6 cm, and is heated by a one-stage heater to reach 1000 ℃; the catalyst reactor is made of stainless steel, and the specification and the size are 30 cm long, 3 cm inner diameter and 3.8 cm outer diameter. In this embodiment, the length of the high temperature furnace 12 is equivalent to the length of the catalytic reactor housing 2, and is equivalent to a heating layer disposed outside the catalytic reactor housing 2.

It should be noted that the high temperature furnace is mainly used for heating the catalytic reactor to reach the combustion temperature of the waste gas catalytic incineration treatment, and besides the high temperature furnace used in the above embodiment, other high temperature furnaces or heating devices in the prior art can be used in the present invention.

Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims (10)

1. The utility model provides a catalyst reactor, its characterized in that, including consecutive upper end cover, casing and lower end cover, be equipped with on the upper end cover with the inside communicating air inlet of casing, be equipped with the gas outlet on the lower end cover, be equipped with filter screen, guide plate, catalyst packed bed and temperature-detecting device in the casing, the filter screen is close to the air inlet sets up, the catalyst packed bed sets up the filter screen with between the gas outlet, be equipped with the catalyst on the catalyst packed bed, the catalyst is metal or metallic oxide, the catalyst packed bed with the catalyst all is porous structure, be equipped with the water conservancy diversion hole on the guide plate, the guide plate sets up the filter screen with between the catalyst packed bed for with the gas direction after filtering the catalyst packed bed.

2. The catalytic reactor of claim 1, wherein the upper end cap and the lower end cap are respectively bolted or screwed to the upper and lower ends of the housing.

3. The catalytic reactor of claim 1, wherein the plurality of filter screens are arranged in parallel from top to bottom.

4. The catalytic reactor of claim 3, wherein the pore size of the filter screen is smaller closer to the catalyst packed bed.

5. The catalytic reactor of claim 1, wherein the cross section of the catalyst packed bed is any one of a circle, a sector, and a polygon.

6. The catalytic reactor as recited in claim 5, wherein the plurality of holes in the catalyst packed bed are circular holes, conical holes or polygonal holes.

7. The catalytic reactor as recited in claim 5, wherein the catalyst packed bed is provided in plurality and spirally distributed from top to bottom when the catalyst packed bed has a fan-shaped cross section.

8. The catalytic reactor as recited in claim 5, wherein when the cross-section of the catalyst packed bed is circular or polygonal, the inside of the catalyst packed bed is hollow, and the catalyst is disposed inside the catalyst packed bed.

9. A catalytic incinerator comprising a high temperature furnace and a catalytic reactor provided in the high temperature furnace, the catalytic reactor being the catalytic reactor according to any one of claims 1 to 8.

10. The catalytic incinerator according to claim 9, wherein the casing of the high temperature furnace has a double-layer structure, a cooling channel is formed between the double layers, an input end of the cooling channel is connected to an output end of the cooling device, and an output end of the cooling channel is connected to the cooling medium recovery tank.

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