CN213840957U - RTO waste heat recovery utilizes device - Google Patents
RTO waste heat recovery utilizes device Download PDFInfo
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- CN213840957U CN213840957U CN202022583617.4U CN202022583617U CN213840957U CN 213840957 U CN213840957 U CN 213840957U CN 202022583617 U CN202022583617 U CN 202022583617U CN 213840957 U CN213840957 U CN 213840957U
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Abstract
The utility model discloses a RTO waste heat recovery utilizes device, including exhaust gas ducting (1), its characterized in that: the tail end of the waste gas exhaust pipe (1) is provided with a heat exchanger (2), a waste gas inlet and a waste gas outlet of the heat exchanger (2) are respectively communicated with the waste gas exhaust pipe (1), and a hot air outlet of the heat exchanger (2) is connected with a waste heat pipeline (4) provided with a heat exchange air supply fan (3). The waste heat recycling device of the utility model adds a set of heat exchanger on the waste gas exhaust pipe, and configures a heat exchange air supply fan and a corresponding pipeline for the heat exchanger, and uses the outside air to carry out heat exchange, and the hot air after heat exchange is sent into a coating workshop to dry the workpiece, thereby shortening the curing time; the environment temperature is increased in winter, and the spraying effect of the workpiece is facilitated.
Description
Technical Field
The utility model belongs to the technical field of organic waste gas treatment technique and specifically relates to indicate RTO burning technical field, specifically speaking is a RTO waste heat recovery utilizes device.
Background
The structural flow of the existing RTO combustion equipment is shown in figure 1, organic waste gas is sent into an RTO combustion chamber 11 for combustion through an organic waste gas input pipe 9 with an exhaust fan 8, the organic waste gas input pipe 9 at the rear side of the exhaust fan 8 is connected with the RTO combustion chamber 11 through three groups of branch pipes which are respectively provided with a waste gas inlet valve 10, high-temperature waste gas generated by combustion is discharged to a chimney 14 from an over-temperature discharge pipeline 13 with an over-temperature discharge valve 12, or is collected to a waste gas exhaust pipe 1 through an exhaust branch pipe with a waste gas exhaust valve 8 after absorbing a large amount of heat through a ceramic regenerator 15 and is discharged to the chimney 14 under the action of an RTO exhaust fan 7, and the rear end of the organic waste gas input pipe 9 is connected with the RTO exhaust fan 7 through a bypass pipe 17 with a bypass valve 16; meanwhile, an organic waste gas input pipe 9 at the front side of the exhaust fan 8 is connected with the ceramic regenerator 15 through a purging pipe 19 with a purging valve 18 and is connected with a fresh air pipe 6 with a fresh air valve 5, and a burner 20 arranged on the RTO combustion chamber 11 is connected with an air input pipe 22 with a combustion-supporting fan 21. As shown in fig. 1, after the organic waste gas is combusted in the RTO combustion chamber 11, a large amount of heat is emitted, the organic waste gas passes through the ceramic heat accumulator in the ceramic heat accumulator 15, the emission temperature is still about 100 ℃, the waste gas emission temperature is high, people are easily scalded, and partial heat energy loss is caused by direct emission.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a RTO waste heat recovery utilizes device to the problem that prior art exists.
The utility model aims at solving through the following technical scheme:
the utility model provides a RTO waste heat recovery utilizes device, includes exhaust stack, its characterized in that: the tail end of the waste gas exhaust pipe is provided with a heat exchanger, a waste gas inlet and a waste gas outlet of the heat exchanger are respectively communicated with the waste gas exhaust pipe, and a hot air outlet of the heat exchanger is connected with a waste heat pipeline provided with a heat exchange air supply fan.
The waste heat pipeline is connected with a curing chamber of the coating workshop to dry the workpieces in the coating workshop.
The waste heat pipeline is connected with an inlet of the gas heating unit.
And a cold air inlet of the heat exchanger is connected with a fresh air pipe with a fresh air valve.
And the waste gas outlet of the heat exchanger is connected with an RTO exhaust fan through a waste gas exhaust pipe.
And a waste gas exhaust valve is arranged on each exhaust branch pipe connected with the waste gas exhaust pipe at the waste gas inlet side of the heat exchanger.
The heat exchanger is arranged on the exhaust gas exhaust pipe between the RTO exhaust fan and the bypass pipe.
Compared with the prior art, the utility model has the following advantages:
the waste heat recycling device of the utility model adds a set of heat exchanger on the waste gas exhaust pipe, and configures a heat exchange air supply fan and a corresponding pipeline for the heat exchanger, and uses the outside air to carry out heat exchange, and the hot air after heat exchange is sent into a coating workshop to dry the workpiece, thereby shortening the curing time; the environment temperature is increased in winter, and the spraying effect of the workpiece is facilitated.
Drawings
FIG. 1 is a flow diagram of a prior art RTO combustion apparatus;
fig. 2 is the utility model discloses a structure flow chart of RTO waste heat recovery device installation on RTO combustion apparatus.
Wherein: 1-exhaust gas pipe; 2-a heat exchanger; 3-heat exchange air supply fan; 4, a waste heat pipeline; 5-fresh air valve; 6-fresh air pipe; 7-RTO exhaust fan; 8-exhaust gas exhaust valve; 9-organic waste gas input pipe; 10-exhaust gas inlet valve; 11-RTO combustion chamber; 12-an over-temperature drain valve; 13-overtemperature exhaust pipes; 14-a chimney; 15-ceramic regenerator; 16-a bypass valve; 17-a by-pass pipe; 18-a purge valve; 19-a purge tube; 20-a combustor; 21-combustion-supporting fan; 22-air inlet pipe.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
As shown in fig. 2: an RTO waste heat recycling device comprises a waste gas exhaust pipe 1, wherein a heat exchanger 2 is arranged at the tail end of the waste gas exhaust pipe 1, a waste gas inlet and a waste gas outlet of the heat exchanger 2 are respectively communicated with the waste gas exhaust pipe 1, and a hot air outlet of the heat exchanger 2 is connected with a waste heat pipeline 4 provided with a heat exchange air supply fan 3; the waste heat pipeline 4 is connected with a curing chamber of the coating workshop and is used for drying workpieces in the coating workshop; or the waste heat pipeline 4 is connected with the inlet of the gas heating unit, so that the consumption of natural gas is reduced.
The cold air inlet of the heat exchanger 2 is connected with a fresh air pipe 6 with a fresh air valve 5, the waste gas outlet of the heat exchanger 2 is connected with an RTO exhaust fan 7 through a waste gas exhaust pipe 1, waste gas exhaust valves 8 are arranged on each exhaust branch pipe connected with the waste gas exhaust pipe 1 at the waste gas inlet side of the heat exchanger 2, and the heat exchanger 2 is arranged on the waste gas exhaust pipe 1 between the RTO exhaust fan 7 and a bypass pipe 17.
The utility model discloses a waste heat recovery utilizes device utilizes the outside air to carry out the heat exchange through one set of heat exchanger 2, a heat transfer air supply fan 3 newly-increased on current RTO combustion apparatus and partial pipeline. In summer, the heat exchange temperature of the air quantity with the same proportion can reach more than 50 ℃; in winter, especially in northern areas, the lowest temperature is-15 ℃, the air after heat exchange can be sent to inlets of other gas heating units, and the energy consumption of natural gas is reduced.
The waste heat recycling device of the utility model adds a set of heat exchanger 2 on the waste gas exhaust pipe 1, and configures a heat exchange air supply fan 3 and a corresponding pipeline for the heat exchanger 2, and uses the external air to carry out heat exchange, and the hot air after heat exchange is sent into a coating workshop to dry the workpiece, thereby shortening the curing time; the environment temperature is increased in winter, and the spraying effect of the workpiece is facilitated.
The above embodiments are only for explaining the technical idea of the present invention, and the protection scope of the present invention cannot be limited thereby, and any modification made on the basis of the technical scheme according to the technical idea provided by the present invention all fall within the protection scope of the present invention; the technology not related to the utility model can be realized by the prior art.
Claims (7)
1. The utility model provides a RTO waste heat recovery utilizes device, includes exhaust stack (1), its characterized in that: the tail end of the waste gas exhaust pipe (1) is provided with a heat exchanger (2), a waste gas inlet and a waste gas outlet of the heat exchanger (2) are respectively communicated with the waste gas exhaust pipe (1), and a hot air outlet of the heat exchanger (2) is connected with a waste heat pipeline (4) provided with a heat exchange air supply fan (3).
2. The RTO waste heat recovery device of claim 1, wherein: and the waste heat pipeline (4) is connected with a curing chamber of the coating workshop to dry the workpieces in the coating workshop.
3. The RTO waste heat recovery device of claim 1, wherein: and the waste heat pipeline (4) is connected with an inlet of the gas heating unit.
4. The RTO waste heat recovery device of any one of claims 1-3, wherein: and a cold air inlet of the heat exchanger (2) is connected with a fresh air pipe (6) with a fresh air valve (5).
5. The RTO waste heat recovery device of claim 1, wherein: and a waste gas outlet of the heat exchanger (2) is connected with an RTO exhaust fan (7) through a waste gas exhaust pipe (1).
6. The RTO waste heat recovery device of claim 1 or 5, wherein: and a waste gas exhaust valve (8) is arranged on each exhaust branch pipe connected with the waste gas exhaust pipe (1) at the waste gas inlet side of the heat exchanger (2).
7. The RTO waste heat recovery device of claim 6, wherein: the heat exchanger (2) is arranged on the exhaust gas exhaust pipe (1) between the RTO exhaust fan (7) and the bypass pipe (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022583617.4U CN213840957U (en) | 2020-11-10 | 2020-11-10 | RTO waste heat recovery utilizes device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022583617.4U CN213840957U (en) | 2020-11-10 | 2020-11-10 | RTO waste heat recovery utilizes device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213840957U true CN213840957U (en) | 2021-07-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022583617.4U Active CN213840957U (en) | 2020-11-10 | 2020-11-10 | RTO waste heat recovery utilizes device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213840957U (en) |
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2020
- 2020-11-10 CN CN202022583617.4U patent/CN213840957U/en active Active
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