CN216814192U - Organic waste gas safety preheating device of heat accumulation combustion system - Google Patents
Organic waste gas safety preheating device of heat accumulation combustion system Download PDFInfo
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- CN216814192U CN216814192U CN202122701536.4U CN202122701536U CN216814192U CN 216814192 U CN216814192 U CN 216814192U CN 202122701536 U CN202122701536 U CN 202122701536U CN 216814192 U CN216814192 U CN 216814192U
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Abstract
The utility model provides a safe preheating device for organic waste gas of a heat storage combustion system. An air inlet pipe is arranged inside the cooling pipe, and a hot air pipe is arranged on the side surface of the front end of the cooling pipe; mix on the box side of wind preheating cabinet, be provided with outer annular case mouth and interior case mouth, the rear end and the interior case mouth of air-supply line communicate with each other, the rear end and the outer annular case mouth of cooling pipe communicate with each other, it hinders fire net to be provided with the annular on the outer annular case mouth of wind preheating cabinet to mix, the box upper portion of wind preheating cabinet is provided with the exhaust pipe, be provided with the arc perforated plate in this wind preheating cabinet, this arc perforated plate sets up the outside at outer annular case mouth, be provided with on the outer case mouth of annular and hinder fire net. The air inlet pipe of the organic waste gas safety preheating device of the heat accumulation combustion system is arranged in the cooling pipe, and the high-temperature gas is cooled while preheating the organic waste gas in the air inlet pipe, so that the structure is simple and safe, the heated gas is uniformly mixed, and the occurrence of deflagration accidents is effectively prevented.
Description
Technical Field
The utility model relates to a safe preheating device for organic waste gas of a heat accumulation combustion system, and relates to the technical field of RTO (regenerative thermal oxidizer) of heat accumulation combustion devices.
Background
The current Regenerative Thermal Oxidizer (RTO) heats organic waste gas discharged in production through regenerative ceramic, the temperature is rapidly increased, under the combustion heating effect of gas in a hearth, the temperature reaches 680-1050 ℃, VOCs in the organic waste gas are directly decomposed into carbon dioxide and water vapor at high temperature to form tasteless high-temperature flue gas, then the flue gas flows through the regenerative ceramic with low temperature, a large amount of heat energy is transferred to a heat accumulator from the flue gas to heat organic waste gas to be decomposed of next circulation, the self temperature of the high-temperature flue gas is greatly reduced, heat exchange is carried out through a heat recovery system and other media, the temperature of the flue gas is further reduced, and finally the flue gas is discharged to outdoor atmosphere. The method has the advantages of low operating cost, high organic waste gas treatment efficiency, no catalyst poisoning phenomenon and the like, so that the method is adopted for treating VOCs of more international advanced equipment. When the temperature of the organic waste gas is lower, the organic waste gas must be preheated to improve the combustion efficiency; the prior art adopts the high-temperature gas in the combustion chamber to mix with organic waste gas in mixing the bellows, causes the detonation of organic waste gas easily, and an explosion-proof safe organic waste gas safety preheating device is urgently needed to preheat the organic waste gas to be treated.
Disclosure of Invention
The utility model aims to provide a safe preheating device for organic waste gas of a regenerative combustion system, which comprises: a cooling pipe, an air inlet pipe and a mixed air preheating box. An air inlet pipe is arranged in the cooling pipe, and a hot air pipe is arranged on the side face of the front end of the cooling pipe. The side face of the box body of the air mixing preheating box is provided with an outer annular box opening and an inner box opening, the rear end of the air inlet pipe is communicated with the inner box opening, and the rear end of the cooling pipe is communicated with the outer annular box opening. An exhaust pipe is arranged at the upper part of the box body of the air mixing preheating box. After the preheated high-temperature gas enters the cooling pipe from the hot blast pipe to be cooled, the preheated high-temperature gas enters the air mixing preheating box through the outer annular box opening and is mixed and preheated with organic waste gas introduced into the air inlet pipe.
The utility model is further improved, and the adopted preferable technical measures are as follows: the outside of the air inlet pipe is provided with a plurality of radiating fins.
The utility model is further improved, and the adopted preferable technical measures are as follows: an annular fire-resisting net is arranged on the outer annular box opening of the mixed air preheating box.
The utility model is further improved, and the adopted preferable technical measures are as follows: an arc-shaped porous plate is arranged in the air mixing preheating box and is arranged outside the opening of the outer annular box.
Advantageous effects
Based on the technical scheme, the organic waste gas safe preheating device of the heat accumulation combustion system at least has one of the following beneficial effects:
1. an air inlet pipe of the organic waste gas safety preheating device is arranged inside the cooling pipe, and high-temperature gas preheats the organic waste gas in the air inlet pipe and simultaneously cools the high-temperature gas; the structure is simple and practical, and the cooling effect is obvious;
2. the fire blocking net is arranged on the opening of the annular outer box to prevent the occurrence of deflagration accidents;
3. the outside of annular outer case mouth is provided with the arc perforated plate, improves organic waste gas and high-temperature gas's mixture and preheats efficiency.
Drawings
FIG. 1 is a schematic diagram of the operation of the organic waste gas safety preheating device of the regenerative combustion system.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the accompanying drawings in combination with the embodiments.
As shown in fig. 1, the device for safely preheating organic waste gas in a regenerative combustion system comprises a cooling pipe 101, an air inlet pipe 102 and a mixed air preheating tank 201. An air inlet pipe 102 is arranged inside the cooling pipe 101, and a hot air pipe 103 is installed on the side surface of the front end of the cooling pipe 101. An outer annular box opening 203 and an inner box opening 204 are arranged on the side surface of a box body 202 of the air mixing preheating box 201, the rear end of the air inlet pipe 102 is communicated with the inner box opening 204, and the rear end of the cooling pipe 101 is communicated with the outer annular box opening 203; an exhaust duct 205 is provided at the upper part of the case 202 of the air mixing preheating case 201. After entering the cooling pipe 101 for cooling from the hot air pipe 103, the high temperature gas enters the air mixing preheating box 201 through the outer ring box opening 203, and is mixed and preheated with the organic waste gas introduced from the air inlet pipe 102. A plurality of radiating fins 301 are arranged outside the air inlet pipe 102, and an annular fire-resisting net 302 is arranged on an outer annular box opening 203 of the air mixing preheating box 201. An arc-shaped porous plate 303 is arranged in the air mixing preheating box 201, and the arc-shaped porous plate 303 is arranged outside the outer annular box opening 203.
The introduction of the organic waste gas safe preheating device of the heat accumulation combustion system is finished.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The utility model provides a heat accumulation combustion system organic waste gas safety preheating device which characterized in that includes:
the cooling device comprises a cooling pipe (101), an air inlet pipe (102) is arranged in the cooling pipe (101), and a hot air pipe (103) is arranged on the side surface of the front end of the cooling pipe (101);
the air mixing preheating box (201) is characterized in that an outer annular box opening (203) and an inner box opening (204) are formed in the side face of a box body (202) of the air mixing preheating box, the rear end of the air inlet pipe (102) is communicated with the inner box opening (204), and the rear end of the cooling pipe (101) is communicated with the outer annular box opening (203); an exhaust pipe (205) is arranged at the upper part of the box body (202) of the air mixing preheating box (201); after entering the cooling pipe (101) from the hot blast pipe (103) for cooling, the preheated high-temperature gas enters the air mixing preheating box (201) through the outer annular box opening (203) and is mixed and preheated with the organic waste gas introduced by the air inlet pipe (102).
2. The regenerative combustion system organic exhaust gas safe preheating device according to claim 1, characterized in that: the outside of the air inlet pipe (102) is provided with a plurality of radiating fins (301).
3. The regenerative combustion system organic exhaust gas safe preheating device according to claim 1, characterized in that: an annular fire-resistant net (302) is arranged on an outer annular box opening (203) of the air mixing preheating box (201).
4. The regenerative combustion system organic exhaust gas safe preheating device according to claim 1, characterized in that: an arc-shaped porous plate (303) is arranged in the air mixing preheating box (201), and the arc-shaped porous plate (303) is arranged outside the outer annular box opening (203).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122701536.4U CN216814192U (en) | 2021-11-06 | 2021-11-06 | Organic waste gas safety preheating device of heat accumulation combustion system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122701536.4U CN216814192U (en) | 2021-11-06 | 2021-11-06 | Organic waste gas safety preheating device of heat accumulation combustion system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216814192U true CN216814192U (en) | 2022-06-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122701536.4U Active CN216814192U (en) | 2021-11-06 | 2021-11-06 | Organic waste gas safety preheating device of heat accumulation combustion system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216814192U (en) |
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2021
- 2021-11-06 CN CN202122701536.4U patent/CN216814192U/en active Active
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