CN216244319U - High-efficient preheating device of RTO waste gas - Google Patents
High-efficient preheating device of RTO waste gas Download PDFInfo
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- CN216244319U CN216244319U CN202122732224.XU CN202122732224U CN216244319U CN 216244319 U CN216244319 U CN 216244319U CN 202122732224 U CN202122732224 U CN 202122732224U CN 216244319 U CN216244319 U CN 216244319U
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Abstract
The utility model provides an RTO waste gas efficient preheating device which comprises a heating pipe, an air inlet pipe, a mixing box, a porous mixing pipe, a first three-way control valve and a second three-way control valve, wherein the porous mixing pipe is arranged in the mixing box; an air inlet pipe is arranged in the pipe body of the heating pipe, a front end box opening of the mixing box is communicated with an air outlet pipe opening of the air inlet pipe, the first three-way control valve is arranged on the hot air outlet pipe, and the second three-way control valve is arranged on the hot air inlet pipe. Burning hot gas is introduced into the heating pipe, and organic waste gas in the gas inlet pipe is preheated; the waste gas is discharged or enters a porous mixing pipe in the mixing box through a first three-way control valve and is further mixed with the organic waste gas in the mixing box for preheating; or the burning hot gas directly enters the mixing box through the second three-way control valve to be mixed with the organic waste gas for preheating. The utility model discloses a high-efficient preheating device of RTO waste gas can select to separate heating or hybrid heating mode to preheat organic waste gas, and simple structure is practical, the mixing efficiency is high.
Description
Technical Field
The utility model discloses an efficient preheating device for RTO waste gas, and relates to the technical field of Regenerative Thermal Oxidizer (RTO).
Background
The current regenerative combustion device (RTO) is to concentrate and desorb the organic waste gas discharged in production through a runner wheel concentration device, the organic waste gas is heated by a regenerative ceramic, the temperature is rapidly increased, under the combustion heating action 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 the high temperature, odorless high-temperature flue gas is formed, then the odorless high-temperature 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 the organic waste gas to be decomposed of the 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 the outdoor atmosphere. In the production of discharged organic waste gas, because the temperature is low and affects the concentration and desorption performance of the rotating wheel, the common method is to mix high-temperature waste gas introduced into the combustion chamber to improve the temperature of the organic waste gas, but the flow of the organic waste gas is increased and the heat storage combustion efficiency is affected; there is a need for an exhaust gas preheating device with a relatively simple and efficient structure, which can select a separate heating or a mixed heating mode according to production needs.
Disclosure of Invention
The utility model aims to provide an RTO (regenerative thermal oxidizer) waste gas efficient preheating device for carrying out preheating treatment on organic waste gas.
In view of the technical problems, the utility model provides an RTO waste gas efficient preheating device, which comprises a heating pipe, an air inlet pipe, a mixing box, a porous mixing pipe, a first three-way control valve and a second three-way control valve, wherein the heating pipe is connected with the air inlet pipe; an air inlet pipe is arranged in the pipe body of the heating pipe, a hot air inlet pipe is arranged at the right lower part of the pipe body, and a hot air outlet pipe is arranged at the left upper part of the pipe body; the front end box opening of the mixing box is communicated with the air outlet pipe opening of the air inlet pipe, and the rear end box opening of the mixing box is provided with a discharge pipe; the porous mixing pipe is arranged in the mixing box, and the hot air inlet of the porous mixing pipe is arranged at the top end of the mixing box; the first three-way control valve is arranged on the hot air discharge pipe, and a first hot air valve pipe of the first three-way control valve is communicated with a hot air inlet of the porous mixing pipe; the second three-way control valve is arranged on the hot air inlet pipe, and a second hot air valve pipe of the second three-way control valve is communicated with a lower tank opening of the mixing tank.
Preferably, a plurality of cooling fins are arranged on the inner wall of the air inlet pipe inside the heating pipe.
Preferably, the bottom of the mixing box is provided with a fire retardant mesh which is arranged at the upper part of the lower box opening of the mixing box.
Advantageous effects
Based on the technical scheme, the utility model at least has one of the following beneficial effects:
the method comprises the following steps that 1, a heating pipe is arranged outside an air inlet pipe, incineration hot gas is introduced into the heating pipe to preheat organic waste gas in the air inlet pipe, and the incineration hot gas is cooled by the heating pipe and then is discharged through a first three-way control valve or enters a porous mixing pipe in a mixing box to be discharged according to needs, and is further mixed with the organic waste gas in the mixing box for preheating; the structure is simple, and the waste gas preheating efficiency is high;
2, closing the first three-way control valve, opening the second three-way control valve, and directly feeding the incineration hot gas into a mixing box to be mixed with the organic waste gas for preheating;
3, adjust first, second tee bend control valve, can select to separate the heating or the hybrid heating mode preheats organic waste gas, simple structure is practical, mixing efficiency is high.
Drawings
FIG. 1 is a schematic diagram of the operation of the RTO waste gas high-efficiency preheating device of the utility model.
Detailed Description
In order that the objects, technical solutions and advantages of the present invention will become more apparent, the present invention will be further described in detail with reference to the accompanying drawings in conjunction with the following specific embodiments.
As shown in fig. 1, an RTO exhaust gas high-efficiency preheating device includes a heating pipe 101, an intake pipe 107, a mixing tank 201, a porous mixing pipe 208, a first three-way control valve 401, and a second three-way control valve 301.
An air inlet pipe 107 is installed inside the pipe body 102 of the heating pipe 101, a hot air inlet pipe 108 is arranged at the right lower part of the pipe body 102, and a hot air outlet pipe 109 is arranged at the left upper part of the pipe body 102; the air inlet pipe port 103 of the air inlet pipe 107 is provided at the front end of the heating pipe 101. The front end tank port 202 of the mixing tank 201 communicates with the outlet port 104 of the intake pipe 107, and the rear end tank port 203 of the mixing tank 207 is provided with a discharge pipe 205. A porous mixing pipe 208 is arranged inside the mixing box 201, and a hot air inlet 207 of the porous mixing pipe 208 is arranged at the top end of the mixing box 201; a first three-way control valve 401 is provided on the hot air outlet pipe 109, and a first hot air valve pipe 402 of the first three-way control valve 401 communicates with the hot air inlet 207 of the porous mixing pipe 208. A second three-way control valve 301 is provided on the hot air inlet pipe 108, and a second hot air valve pipe 303 of the second three-way control valve 301 communicates with a lower tank port 304 of the mixing tank 201. A plurality of cooling fins 305 are arranged on the inner wall of the air inlet pipe 107 inside the heating pipe 101. The bottom of the mixing box 201 is provided with a fire barrier 306, which fire barrier 306 is arranged above the lower box opening 304 of the mixing box 201.
Thus, the embodiments of the present invention have been described.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, 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 (3)
1. An efficient preheating device for RTO waste gas is characterized by comprising:
the heating pipe comprises a heating pipe (101), wherein an air inlet pipe (107) is installed inside a pipe body (102), a hot air inlet pipe (108) is arranged at the right lower part of the pipe body (102), and a hot air outlet pipe (109) is arranged at the left upper part of the pipe body (102); the air inlet pipe orifice (103) of the air inlet pipe (107) is arranged at the front end of the heating pipe (101);
the front end box opening (202) of the mixing box (201) is communicated with the air outlet pipe opening (104) of the air inlet pipe (107), and the rear end box opening (203) of the mixing box (201) is provided with a discharge pipe (205);
a porous mixing pipe (208) arranged inside the mixing box (201), wherein a hot air inlet (207) of the porous mixing pipe (208) is arranged at the top end of the mixing box (201);
the first three-way control valve (401) is arranged on the hot air discharge pipe (109), and a first hot air valve pipe (402) of the first three-way control valve (401) is communicated with a hot air inlet (207) of the porous mixing pipe (208);
and the second three-way control valve (301) is arranged on the hot air inlet pipe (108), and a second hot air valve pipe (303) of the second three-way control valve (301) is communicated with a lower tank opening (304) of the mixing tank (201).
2. The RTO exhaust gas high-efficiency preheating device according to claim 1, characterized in that: the inner wall of the air inlet pipe (107) in the heating pipe (101) is provided with a plurality of cooling fins (305).
3. The RTO exhaust gas high-efficiency preheating device according to claim 1, characterized in that: the bottom of mixing box (201) is provided with fire blocking net (306), fire blocking net (306) sets up the upper portion at the lower case mouth (304) of mixing box (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122732224.XU CN216244319U (en) | 2021-11-09 | 2021-11-09 | High-efficient preheating device of RTO waste gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122732224.XU CN216244319U (en) | 2021-11-09 | 2021-11-09 | High-efficient preheating device of RTO waste gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216244319U true CN216244319U (en) | 2022-04-08 |
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ID=80994085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122732224.XU Active CN216244319U (en) | 2021-11-09 | 2021-11-09 | High-efficient preheating device of RTO waste gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216244319U (en) |
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2021
- 2021-11-09 CN CN202122732224.XU patent/CN216244319U/en active Active
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