Segmented catalysis device of combustor

Abstract

The segmented catalytic device comprises a device body, a first combustion chamber and a second combustion chamber are arranged in an inner cavity of the device body, air pipes are connected to the tops of the inner walls of the first combustion chamber and the second combustion chamber in a penetrating mode, and a cooling channel is formed between the inner ring and the outer ring of the second combustion chamber. A fan is arranged at the top of the device body, and a plurality of cooling fins are evenly arranged on the outer ring of the device body. When the device is used for catalytic combustion, the fan can inject cold air into the cooling channel through the gas injection pipe, and the cold air can exchange heat with mixed gas in the second combustion chamber and absorb heat of the mixed gas so as to cool the mixed gas, so that the temperature in the second combustion chamber can be kept at a relatively low temperature, and the catalytic combustion can be smoothly carried out; meanwhile, the radiating fins can lead out heat absorbed by cold air in the cooling channel and radiate the heat to the outside air, so that mixed gas in the second combustion chamber can be quickly cooled, the combustion speed of fuel gas can be increased, and the consumption of the fuel gas is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of burners, in particular to a segmented catalytic device of a burner. Background Art

[0002] Burner staged catalysis is a new type of combustion technology that releases energy and produces carbon dioxide and water by oxidizing fuel gas and oxygen at a lower temperature under the action of a catalyst. This technology can improve combustion efficiency, reduce energy waste and environmental pollution.

[0003] During the catalytic combustion process, the segmented catalytic burner needs to keep the gas and air at a relatively low temperature for combustion. The existing cooling measure is to dissipate the heat of the mixed gas in the combustion chamber to the outside air through a heat exchange tube to cool the mixed gas. However, the heat dissipation efficiency is low only through the heat exchange tube, and the mixed gas cannot be quickly cooled down, which will lead to a slower combustion speed of the gas and increase the gas consumption. To this end, we provide a segmented catalytic device for a burner. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies of the prior art, the utility model provides a segmented catalytic device for a burner, which solves the problem that the current segmented catalytic burner cannot quickly cool down the mixture of fuel gas and air.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a segmented catalytic device of a burner, comprising a device body, a first combustion chamber is arranged on the left side of the inner cavity of the device body, a second combustion chamber is arranged on the right side of the inner cavity of the device body, the tops of the inner walls of the first combustion chamber and the second combustion chamber are both penetrated by air pipes, the bottom of the inner wall of the first combustion chamber is penetrated by a gas pipe, the inner cavity of the second combustion chamber is provided with a catalytic tube, a cooling channel is provided between the inner and outer circles of the second combustion chamber, a fan is provided on the top of the device body, and a plurality of heat sinks are evenly provided on the outer circle of the device body.

[0008] Preferably, an air valve is provided on the air pipe, and the bottom of the air pipe located on the right side passes through the top of the catalytic cylinder.

[0009] Preferably, both left and right sides of the catalytic cylinder are open, a placement groove is opened between the inner and outer rings of the catalytic cylinder, the inner cavity of the placement groove is filled with catalyst particles, and the inner ring of the catalytic cylinder is evenly opened with a plurality of through holes.

[0010] Preferably, the air outlet of the fan is connected to an air injection pipe, and the air outlet of the air injection pipe passes through the top of the device body and is connected to the air inlet of the cooling channel.

[0011] Preferably, the heat sink on one side close to the second combustion chamber penetrates the outer wall of the device body and extends to the inner cavity of the cooling channel, and a plurality of heat dissipation holes are evenly opened on the heat sink, and the heat dissipation holes are located outside the second combustion chamber.

[0012] Preferably, a partition is provided between the first combustion chamber and the second combustion chamber, and a plurality of air holes are evenly opened on the left side of the partition.

[0013] Preferably, an exhaust pipe is connected through the right side of the device body, and the air inlet of the exhaust pipe is connected to the air outlet of the cooling channel.

[0014] (III) Beneficial effects

[0015] The utility model provides a segmented catalytic device for a burner, which has the following beneficial effects:

[0016] 1. When the device is catalytically burning, the fan can inject cold air into the cooling channel through the air injection pipe. The cold air can exchange heat with the mixed gas in the second combustion chamber, absorb its heat to cool it, and keep a relatively low temperature in the second combustion chamber to facilitate the smooth catalytic combustion. At the same time, the heat sink can conduct the heat absorbed by the cold air in the cooling channel and dissipate it to the outside air. In this way, the mixed gas in the second combustion chamber can be quickly cooled, the combustion speed of the gas can be accelerated, and the gas consumption can be reduced.

[0017] 2. When the device is in use, the gas initially burned in the first combustion chamber can enter the second combustion chamber through the air hole, and then the mixed gas can pass through the through hole and fully contact with the catalyst particles in the placement groove. Under the catalytic action of the catalyst, the mixed gas can be further fully burned, which can significantly improve the combustion condition of the gas, thereby saving gas consumption and reducing the generation of air pollutants such as nitrogen oxides. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the catalytic cartridge of the utility model;

[0020] Figure 3 It is a structural schematic diagram of the heat sink of the utility model;

[0021] Figure 4 For this utility model Figure 1 Enlarged view of point A in .

[0022] In the figure: 1. device body; 11. first combustion chamber; 12. second combustion chamber; 121. cooling channel; 2. air pipe; 21. air valve; 3. gas pipe; 4. catalytic cylinder; 41. placement groove; 42. through hole; 5. fan; 51. gas injection pipe; 6. heat sink; 61. heat dissipation hole; 7. partition; 71. air hole; 8. exhaust pipe. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] like Figure 1-4 As shown, the utility model provides a technical solution: a segmented catalytic device of a burner, comprising a device body 1, a first combustion chamber 11 is arranged on the left side of the inner cavity of the device body 1, and a second combustion chamber 12 is arranged on the right side of the inner cavity of the device body 1, the tops of the inner walls of the first combustion chamber 11 and the second combustion chamber 12 are penetrated by an air pipe 2, and the bottom of the inner wall of the first combustion chamber 11 is penetrated by a gas pipe 3. When in use, external air can be blown into the first combustion chamber 11 and the second combustion chamber 12 through the air pipe 2 by an air compression pump, and at the same time, gas can be pumped into the first combustion chamber 11 through the gas pipe 3 by a gas pump.

[0025] Among them, an air valve 21 is provided on the air pipe 2, and an igniter is provided on the left side of the inner wall of the first combustion chamber 11. When the igniter is turned on, the igniter can ignite the mixed gas of air and fuel gas in the first combustion chamber 11. At the same time, the air valve 21 can be adjusted so that the air amount in the first combustion chamber 11 is lower than the air amount required for combustion, so as to perform preliminary combustion of the fuel gas and make the mixed gas reach a high temperature state.

[0026] Furthermore, a partition 7 is provided between the first combustion chamber 11 and the second combustion chamber 12, and a plurality of air holes 71 are evenly opened on the left side of the partition 7. The mixed gas after preliminary combustion enters the second combustion chamber 12 through the air holes 71, and the air holes 71 can mix the mixed gas.

[0027] Specifically, the inner cavity of the second combustion chamber 12 is provided with a catalytic tube 4, the bottom of the air pipe 2 located on the right side passes through the top of the catalytic tube 4, the left and right sides of the catalytic tube 4 are open, a placement groove 41 is opened between the inner and outer circles of the catalytic tube 4, the inner cavity of the placement groove 41 is filled with catalyst particles, and the inner circle of the catalytic tube 4 is evenly provided with a plurality of through holes 42. The mixed gas entering the second combustion chamber 12 can pass through the through holes 42 and fully contact with the catalyst particles in the placement groove 41. Under the catalytic action of the catalyst, the mixed gas can be further fully burned, which can significantly improve the combustion condition of the fuel gas to save fuel gas consumption, and at the same time reduce the generation of air pollutants such as nitrogen oxides.

[0028] Among them, a smoke exhaust pipe is connected through the right side of the inner wall of the second combustion chamber 12, and the air outlet of the smoke exhaust pipe is connected to the exhaust gas treatment equipment. The smoke generated after combustion can be discharged through the smoke exhaust pipe to the exhaust gas treatment equipment for purification before being discharged externally.

[0029] Furthermore, a cooling channel 121 is provided between the inner and outer circles of the second combustion chamber 12, and a fan 5 is provided on the top of the device body 1. The air outlet of the fan 5 is connected to the air injection pipe 51. The air outlet of the air injection pipe 51 passes through the top of the device body 1 and is communicated with the air inlet of the cooling channel 121. An exhaust pipe 8 is passed through the right side of the device body 1, and the air inlet of the exhaust pipe 8 is communicated with the air outlet of the cooling channel 121. During the catalytic combustion process, the fan 5 can be turned on, and the fan 5 can inject external cold air into the cooling channel 121 through the air injection pipe 51. The cold air can exchange heat with the mixed gas in the second combustion chamber 12 and absorb its heat to cool it, so that the second combustion chamber 12 can maintain a low temperature to facilitate the smooth catalytic combustion. The air after absorbing heat is discharged from the exhaust pipe 8.

[0030] Furthermore, a plurality of heat sinks 6 are evenly arranged on the outer ring of the device body 1. The heat sink 6 is made of aluminum material with good heat dissipation performance. The side of the heat sink 6 close to the second combustion chamber 12 passes through the outer wall of the device body 1 and extends to the inner cavity of the cooling channel 121. A plurality of heat dissipation holes 61 are evenly opened on the heat sink 6. The heat dissipation holes 61 can increase the contact area between the heat sink 6 and the air to improve its heat dissipation efficiency. The heat dissipation holes 61 are located outside the second combustion chamber 12. When the cold air dissipates the heat of the mixed gas, the heat sink 6 can export the heat absorbed by the cold air in the cooling channel 121 and dissipate it to the outside air. In this way, the mixed gas in the second combustion chamber 12 can be quickly cooled, the combustion speed of the gas can be accelerated, and the gas consumption can be reduced.

[0031] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A staged catalytic device for a burner, comprising a device body (1), characterized in that: A first combustion chamber (11) is arranged on the left side of the inner cavity of the device body (1), and a second combustion chamber (12) is arranged on the right side of the inner cavity of the device body (1). The tops of the inner walls of the first combustion chamber (11) and the second combustion chamber (12) are both connected through an air pipe (2), the bottom of the inner wall of the first combustion chamber (11) is connected through a gas pipe (3), the inner cavity of the second combustion chamber (12) is provided with a catalytic cylinder (4), a cooling channel (121) is provided between the inner and outer circles of the second combustion chamber (12), a fan (5) is arranged on the top of the device body (1), and a plurality of heat sinks (6) are evenly arranged on the outer circle of the device body (1).

2. The staged catalytic device of a burner according to claim 1, characterized in that: The air pipe (2) is provided with an air valve (21), and the bottom of the air pipe (2) located on the right side penetrates the top of the catalytic cylinder (4).

3. The staged catalytic device of a burner according to claim 1, characterized in that: The left and right sides of the catalytic cylinder (4) are both open, a placement groove (41) is provided between the inner and outer rings of the catalytic cylinder (4), the inner cavity of the placement groove (41) is filled with catalyst particles, and the inner ring of the catalytic cylinder (4) is evenly provided with a plurality of through holes (42).

4. The staged catalytic device of a burner according to claim 1, characterized in that: The air outlet of the fan (5) is connected to an air injection pipe (51), and the air outlet of the air injection pipe (51) passes through the top of the device body (1) and is connected to the air inlet of the cooling channel (121).

5. The staged catalytic device of a burner according to claim 1, characterized in that: The side of the heat sink (6) close to the second combustion chamber (12) penetrates the outer wall of the device body (1) and extends to the inner cavity of the cooling channel (121); a plurality of heat dissipation holes (61) are evenly arranged on the heat sink (6); and the heat dissipation holes (61) are located outside the second combustion chamber (12).

6. The staged catalytic device of a burner according to claim 1, characterized in that: A partition plate (7) is provided between the first combustion chamber (11) and the second combustion chamber (12), and a plurality of air holes (71) are evenly opened on the left side of the partition plate (7).

7. The staged catalytic device of a burner according to claim 1, characterized in that: An exhaust pipe (8) is connected through the right side of the device body (1), and the air inlet of the exhaust pipe (8) is connected to the air outlet of the cooling channel (121).

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