CN214468688U - Efficient heat recovery catalytic combustion furnace - Google Patents
Efficient heat recovery catalytic combustion furnace Download PDFInfo
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- CN214468688U CN214468688U CN202120649582.1U CN202120649582U CN214468688U CN 214468688 U CN214468688 U CN 214468688U CN 202120649582 U CN202120649582 U CN 202120649582U CN 214468688 U CN214468688 U CN 214468688U
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- catalytic combustion
- combustion furnace
- temperature control
- heat recovery
- inlet channel
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Abstract
The utility model belongs to the technical field of catalytic combustion, especially, relate to an efficient heat recovery catalytic combustion furnace. The upper end of the catalytic combustion furnace base is connected with a catalytic combustion furnace chamber through a temperature control adjusting seat; the outer side of the catalytic combustion furnace base is connected with a plurality of air inlet channel connectors, a mixed injection nozzle is fixedly embedded in the middle of the temperature control adjusting seat, the lower end of the mixed injection nozzle is connected with the air inlet channel connectors through a conveying pipeline, and the middle section of the conveying pipeline is of an inverted U-shaped structure and is inserted in the catalytic combustion furnace chamber; a circle of water pipe caulking groove is arranged on the outer side of the temperature control adjusting seat, and a temperature control coil is embedded in the water pipe caulking groove; the side wall of the catalytic combustion hearth is connected with a pair of combustion nozzles, and the upper end of the catalytic combustion hearth is connected with a tail gas outlet. It extends the inlet channel to the inside of burning furnace, preheats the high efficiency to admitting air, makes the gas mixture can heat up to combustion temperature rapidly, improves organic waste gas in the quick by complete combustion of burning furnace.
Description
Technical Field
The utility model belongs to the technical field of catalytic combustion, especially, relate to an efficient heat recovery catalytic combustion furnace.
Background
With the increase of the national regulation of atmospheric pollution, the situation of industrial VOCs waste gas pollution is fundamentally changed, and according to the requirements on the operation stability of a waste gas treatment device, the reliability of treatment effect, the universality of waste gas types, the safety of the process and the like, the waste gas treatment process in the VOCs treatment policy guidance suggestion issued by most local governments is basically 3 processes of adsorption, absorption and thermal decomposition (incineration) and a combination process thereof.
In the traditional thermal decomposition catalytic combustion process, combustion tail gas is mostly adopted to preheat inlet air, but because the tail gas is subjected to a heat recovery process before preheating, the inlet air preheating temperature is not high, thermal decomposition can be completed after temperature rise is still needed during catalytic combustion, organic waste gas is easy to leak in the temperature rise process, and pollution is caused along with tail gas removal; the present application thus provides an efficient heat recovery catalytic combustion furnace.
SUMMERY OF THE UTILITY MODEL
Aiming at solving the problems of the defects and the shortcomings of the prior art; the utility model aims at providing an efficient heat recovery catalytic combustion furnace which has simple structure, reasonable design and convenient use, and extends an air inlet channel to the interior of a combustion furnace chamber to efficiently preheat inlet air and improve the rapid and complete combustion of organic waste gas in the combustion furnace; the incomplete reaction of the waste gas in the temperature rising process is reduced.
In order to achieve the above object, the utility model adopts the following technical scheme: the device comprises a catalytic combustion furnace base, a temperature control adjusting base, a catalytic combustion furnace chamber, an air inlet channel connector, a conveying pipeline, a mixed injection nozzle, a water pipe caulking groove, a temperature control coil pipe, a combustion nozzle and a tail gas outlet; the upper end of the catalytic combustion furnace base is connected with a catalytic combustion furnace chamber through a temperature control adjusting seat; the outer side of the catalytic combustion furnace base is connected with a plurality of air inlet channel connectors, a mixed injection nozzle is fixedly embedded in the middle of the temperature control adjusting seat, the lower end of the mixed injection nozzle is connected with the air inlet channel connectors through a conveying pipeline, and the middle section of the conveying pipeline is of an inverted U-shaped structure and is inserted in the catalytic combustion furnace chamber; a circle of water pipe caulking groove is arranged on the outer side of the temperature control adjusting seat, and a temperature control coil is embedded in the water pipe caulking groove; the side wall of the catalytic combustion hearth is connected with a pair of combustion nozzles, and the upper end of the catalytic combustion hearth is connected with a tail gas outlet.
Preferably, the middle U-shaped elbow of the conveying pipeline is distributed at the lower half part of the catalytic combustion hearth, and a safe distance is kept between the middle U-shaped elbow of the conveying pipeline and the combustion nozzle.
Preferably, a high-temperature resistant fan is arranged inside the mixing injection nozzle, the high-temperature resistant fan is connected with a driving motor through a transmission rod, and the driving motor is arranged in the middle of the base of the catalytic combustion furnace.
Preferably, the combustion nozzle is connected to an externally disposed fuel tank and a pressurizing device.
Preferably, two ends of the temperature control coil are connected with an external water circulating pump.
After the structure is adopted, the utility model discloses beneficial effect does: the air inlet channel is extended into the combustion hearth to efficiently preheat the inlet air, so that the mixed air can be rapidly heated to the combustion temperature, and the organic waste gas is rapidly and completely combusted in the combustion furnace; the incomplete reaction of the waste gas in the temperature rising process is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention is described in detail by the following specific embodiments and the accompanying drawings.
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of a temperature control adjusting seat 2 of the present invention;
description of reference numerals: the catalytic combustion furnace comprises a catalytic combustion furnace base 1, a temperature control adjusting base 2, a catalytic combustion furnace 3, an air inlet channel connector 4, a conveying pipeline 5, a mixed injection nozzle 6, a water pipe caulking groove 7, a temperature control coil 8, a combustion nozzle 9, a tail gas outlet 10, a high-temperature resistant fan 11 and a driving motor 12.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described below with reference to specific embodiments shown in the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
It should also be noted that, in order to avoid obscuring the invention with unnecessary details, only the structures and/or process steps that are closely related to the solution according to the invention are shown in the drawings, while other details that are not relevant to the invention are omitted.
Referring to fig. 1-2, the following technical solutions are adopted in the present embodiment: the catalytic combustion furnace comprises a catalytic combustion furnace base 1, a temperature control adjusting base 2, a catalytic combustion furnace 3, an air inlet channel connector 4, a conveying pipeline 5, a mixed injection nozzle 6, a water pipe caulking groove 7, a temperature control coil 8, a combustion nozzle 9 and a tail gas outlet 10; the upper end of the catalytic combustion furnace base 1 is connected with a catalytic combustion furnace chamber 3 through a temperature control adjusting seat 2; the outer side of the catalytic combustion furnace base 1 is connected with a plurality of air inlet channel connectors 4, a mixed injection nozzle 6 is fixedly embedded in the middle of the temperature control adjusting base 2, the lower end of the mixed injection nozzle 6 is connected with the air inlet channel connectors 4 through a conveying pipeline 5, and the middle section of the conveying pipeline 5 is of an inverted U-shaped structure and is inserted in the catalytic combustion furnace 3; a circle of water pipe caulking groove 7 is formed in the outer side of the temperature control adjusting seat 2, and a temperature control coil 8 is embedded in the water pipe caulking groove 7; the side wall of the catalytic combustion hearth 3 is connected with a pair of combustion nozzles 9, and the upper end of the catalytic combustion hearth 3 is connected with a tail gas exhaust port 10.
The middle U-shaped bent pipe of the conveying pipeline 5 is distributed at the lower half part of the catalytic combustion hearth 3, and a safe distance is kept between the U-shaped bent pipe and the combustion nozzle 9; a high-temperature resistant fan 11 is arranged inside the mixing injection nozzle 6, the high-temperature resistant fan 11 is connected with a driving motor 12 through a transmission rod, and the driving motor 12 is arranged in the middle of the catalytic combustion furnace base 1; the combustion nozzle 9 is connected with an external fuel tank and a pressurizing device; and two ends of the temperature control coil 8 are connected with an external water circulating pump.
The working principle of the specific embodiment is as follows: firstly, introducing organic waste gas and air from an air inlet channel connecting port 4 under the action of a pressurizing pump; organic waste gas and air are conveyed forwards along the conveying pipeline 5, the speed is slowed down after the organic waste gas and the air pass through the U-shaped bend, and the high temperature generated by combustion preheats and heats the gas in the conveying pipeline 5 to be close to the combustion temperature because the U-shaped bend is arranged in the catalytic combustion hearth 3; finally, the organic waste gas is conveyed into the mixing injection nozzle 6 and is sprayed out from the upper end of the mixing injection nozzle 6 under the coordination of a pressurizing fan, and the organic waste gas is decomposed into water and carbon dioxide through catalytic combustion by the combustion nozzles 9 at two sides; in the process, the organic waste gas and the air are preheated to raise the temperature, so that the temperature rise process is reduced during combustion, and the catalytic combustion efficiency is improved.
After adopting above-mentioned structure, this embodiment beneficial effect does: the air inlet channel is extended into the combustion hearth to efficiently preheat the inlet air, so that the mixed air can be rapidly heated to the combustion temperature, and the organic waste gas is rapidly and completely combusted in the combustion furnace; the incomplete reaction of the waste gas in the temperature rising process is reduced.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. An efficient heat recovery catalytic combustion furnace, characterized in that: the catalytic combustion furnace comprises a catalytic combustion furnace base (1), a temperature control adjusting base (2), a catalytic combustion furnace chamber (3), an air inlet channel connecting port (4), a conveying pipeline (5), a mixed injection nozzle (6), a water pipe caulking groove (7), a temperature control coil (8), a combustion nozzle (9) and a tail gas outlet (10); the upper end of the catalytic combustion furnace base (1) is connected with a catalytic combustion furnace chamber (3) through a temperature control adjusting seat (2); the outer side of the catalytic combustion furnace base (1) is connected with a plurality of air inlet channel connectors (4), a mixed injection nozzle (6) is fixedly embedded in the middle of the temperature control adjusting base (2), the lower end of the mixed injection nozzle (6) is connected with the air inlet channel connectors (4) through a conveying pipeline (5), and the middle section of the conveying pipeline (5) is of an inverted U-shaped structure and is inserted into the catalytic combustion furnace (3); a circle of water pipe caulking groove (7) is arranged on the outer side of the temperature control adjusting seat (2), and a temperature control coil pipe (8) is embedded in the water pipe caulking groove (7); the side wall of the catalytic combustion hearth (3) is connected with a pair of combustion nozzles (9), and the upper end of the catalytic combustion hearth (3) is connected with a tail gas outlet (10).
2. A high efficiency heat recovery catalytic combustion furnace as claimed in claim 1, wherein: the middle U-shaped bent pipe of the conveying pipeline (5) is distributed on the lower half part of the catalytic combustion hearth (3), and a safety distance is kept between the U-shaped bent pipe and the combustion nozzle (9).
3. A high efficiency heat recovery catalytic combustion furnace as claimed in claim 1, wherein: the high-temperature resistant fan (11) is arranged inside the mixing injection nozzle (6), the high-temperature resistant fan (11) is connected with the driving motor (12) through the transmission rod, and the driving motor (12) is arranged in the middle of the catalytic combustion furnace base (1).
4. A high efficiency heat recovery catalytic combustion furnace as claimed in claim 1, wherein: the combustion nozzle (9) is connected with an external fuel tank and a pressurizing device.
5. A high efficiency heat recovery catalytic combustion furnace as claimed in claim 1, wherein: and two ends of the temperature control coil (8) are connected with an external water circulating pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120649582.1U CN214468688U (en) | 2021-03-30 | 2021-03-30 | Efficient heat recovery catalytic combustion furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120649582.1U CN214468688U (en) | 2021-03-30 | 2021-03-30 | Efficient heat recovery catalytic combustion furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214468688U true CN214468688U (en) | 2021-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120649582.1U Active CN214468688U (en) | 2021-03-30 | 2021-03-30 | Efficient heat recovery catalytic combustion furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214468688U (en) |
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2021
- 2021-03-30 CN CN202120649582.1U patent/CN214468688U/en active Active
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