CN213686851U - RTO incinerator flue gas waste heat recovery utilizes system - Google Patents
RTO incinerator flue gas waste heat recovery utilizes system Download PDFInfo
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- CN213686851U CN213686851U CN202022533858.8U CN202022533858U CN213686851U CN 213686851 U CN213686851 U CN 213686851U CN 202022533858 U CN202022533858 U CN 202022533858U CN 213686851 U CN213686851 U CN 213686851U
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Abstract
The utility model relates to a RTO burns burning furnace flue gas waste heat recovery and utilizes system, burn burning furnace tobacco pipe, chimney, waste heat recoverer, boiler and workshop including RTO and use the heat facility, be equipped with technology hot water supply port and technology hot water return water mouth on the boiler, technology hot water supply port is linked together with the workshop with the heat facility, and technology hot water return water mouth is linked together with the workshop with the heat facility through waste heat recoverer, and RTO burns burning furnace tobacco pipe and is linked together through waste heat recoverer and chimney. Compared with the prior art, the waste heat recoverer is additionally arranged between the smoke tube and the chimney of the RTO incinerator and is integrated with workshop process hot water circulation, so that the waste heat of the smoke of the RTO incinerator is fully recovered and utilized, and the natural gas consumption of the hot water boiler is reduced; only a small amount of reconstruction is needed for the original system, the method is easy to realize, and the practicability is high.
Description
Technical Field
The utility model belongs to the technical field of the RTO burns burning furnace fume emission, a RTO burns burning furnace flue gas waste heat recovery and utilization system is related to.
Background
The seven major components of the automobile coating production line mainly comprise: the device comprises pretreatment equipment, electrophoresis equipment, paint spraying equipment, a baking oven, an energy system, an electric control system, a hanging conveying chain and the like. In an automobile coating line, an RTO incinerator is one of important equipments, and is also the first energy consumption household in the coating line.
At present, when RTO incinerators in various coating workshops are designed and manufactured, in order to ensure the balance of drying room temperatures and prevent corrosion and ash blockage of a tail heating surface, the smoke exhaust temperature of the RTO incinerator is generally not lower than 180-300 ℃. At present, most of the flue gas is directly discharged, which not only pollutes the environment, but also wastes a large amount of heat energy.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a RTO burns burning furnace flue gas waste heat recovery and utilizes system can make full use of RTO burns burning furnace flue gas waste heat.
The purpose of the utility model can be realized through the following technical scheme:
the utility model provides a RTO incinerator flue gas waste heat recovery utilizes system, this system includes that RTO incinerator tobacco pipe, chimney, waste heat recoverer, hot-water boiler and workshop use the heat facility, hot-water boiler on be equipped with technology hot water supply port and technology hot water return water mouth, technology hot water supply port and workshop use the heat facility and be linked together, technology hot water return water mouth be linked together through waste heat recoverer and workshop use the heat facility, RTO incinerator tobacco pipe be linked together through waste heat recoverer and chimney. The flue gas with the temperature of about 270 ℃ in the smoke pipe of the RTO incinerator enters a waste heat recoverer to exchange heat with process hot water with the temperature of about 70 ℃ output by workshop heat equipment, the flue gas with the temperature of about 130 ℃ after heat exchange and temperature reduction is discharged through a chimney, the process hot water with the temperature of about 90 ℃ after heat exchange and temperature rise enters a hot water boiler to be further heated to the required temperature, and then the process hot water is output to the workshop heat equipment to be recycled.
Furthermore, a process hot water supply pipe is arranged between the process hot water supply port and the workshop heat equipment, and a process hot water circulating pump is arranged on the process hot water supply pipe.
Furthermore, a flue gas inlet, a flue gas outlet, a process hot water inlet and a process hot water outlet are formed in the waste heat recoverer, a flue pipe of the RTO incinerator is communicated with the flue gas inlet, the chimney is communicated with the flue gas outlet, the workshop heat utilization equipment is communicated with the process hot water inlet, and the process hot water return port is communicated with the process hot water outlet.
Furthermore, a flue gas inlet pipe is arranged between the smoke pipe of the RTO incinerator and the flue gas inlet, a flue gas outlet pipe is arranged between the chimney and the flue gas outlet, a workshop heat equipment water outlet pipe is arranged between the workshop heat equipment and the process hot water inlet, and a process hot water return pipe is arranged between the process hot water return port and the process hot water outlet.
Furthermore, a flue gas communicating pipe is arranged between the flue gas inlet pipe and the flue gas outlet pipe, and a process hot water communicating pipe is arranged between the workshop heat equipment water outlet pipe and the process hot water return pipe. The flue gas communicating pipe can enable a part of flue gas to directly enter a chimney without a waste heat recoverer for emission, and the process hot water communicating pipe can enable a part of process hot water backwater to directly enter a hot water boiler without the waste heat recoverer for heating, so as to adapt to process requirements under different working conditions and different requirements.
Furthermore, a flue gas communicating pipe valve is arranged on the flue gas communicating pipe, and a process hot water communicating pipe valve is arranged on the process hot water communicating pipe. The smoke communicating pipe valve and the process hot water communicating pipe valve can respectively adjust the distribution proportion of smoke and process hot water.
Furthermore, a water outlet pipe of the workshop heat equipment is provided with a circulating water pump.
Preferably, a plurality of circulating water pumps connected in parallel are arranged on the water outlet pipe of the workshop heat equipment so as to meet different requirements.
Furthermore, an exhaust valve is arranged at the top of the waste heat recoverer. The exhaust valve can exhaust gas generated in the process of heat exchange of the process hot water. The exhaust valve comprises a manual exhaust valve and an automatic exhaust valve.
Furthermore, a drain valve is arranged at the bottom of the waste heat recoverer. The drain valve can discharge the water produced in the heat exchange process of the flue gas.
Further, the system also comprises a PLC control cabinet. The PLC control cabinet is electrically connected with an electric and electric control component in the system for regulation and control.
The utility model discloses in, still the corresponding conventional parts such as valve, thermometer, manometer, sensor that are provided with on each pipeline.
When the utility model is used in practice, the high-temperature waste flue gas in the smoke tube of the RTO incinerator enters the waste heat recoverer to exchange heat with the process hot water backwater of the workshop heat equipment, and the temperature of the flue gas is reduced after heat exchange and is discharged through the chimney; the process hot water return water is heated and then returns to the hot water boiler through the process hot water return pipe to be heated to a set temperature.
Compared with the prior art, the utility model has the characteristics of it is following:
1) the waste heat recoverer is additionally arranged between the smoke pipe and the chimney of the RTO incinerator and is integrated with workshop process hot water circulation, so that the waste heat of the smoke of the RTO incinerator is fully recovered and utilized, and the natural gas consumption of the hot water boiler is reduced;
2) only a small amount of reconstruction is needed for the original system, the method is easy to realize, and the practicability is high.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
the notation in the figure is:
1-smoke tube of RTO incinerator, 2-chimney, 3-waste heat recoverer, 301-smoke inlet, 302-smoke outlet, 303-process hot water inlet, 304-process hot water outlet, 4-hot water boiler, 401-process hot water supply inlet, 402-process hot water return inlet, 5-workshop heat equipment, 6-process hot water supply pipe, 7-process hot water circulating pump, 8-smoke inlet pipe, 9-smoke outlet pipe, 10-workshop heat equipment outlet pipe, 11-process hot water return pipe, 12-smoke communicating pipe, 13-process hot water communicating pipe, 14-smoke communicating pipe valve, 15-process hot water communicating pipe valve, 16-circulating water pump, 17-exhaust valve, 18-drain valve, 19-PLC control cabinet.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
Example (b):
the system for recycling the waste heat of the flue gas of the RTO incinerator comprises a flue pipe 1 of the RTO incinerator, a chimney 2, a waste heat recoverer 3, a hot water boiler 4 and heat equipment 5 for a workshop, wherein the hot water boiler 4 is provided with a process hot water supply port 401 and a process hot water return port 402, the process hot water supply port 401 is communicated with the heat equipment 5 for the workshop, the process hot water return port 402 is communicated with the heat equipment 5 for the workshop through the waste heat recoverer 3, and the flue pipe 1 of the RTO incinerator is communicated with the chimney 2 through the waste heat recoverer 3.
Wherein, a process hot water supply pipe 6 is arranged between the process hot water supply port 401 and the workshop heat equipment 5, and a process hot water circulating pump 7 is arranged on the process hot water supply pipe 6.
The waste heat recoverer 3 is provided with a flue gas inlet 301, a flue gas outlet 302, a process hot water inlet 303 and a process hot water outlet 304, a flue pipe 1 of the RTO incinerator is communicated with the flue gas inlet 301, a chimney 2 is communicated with the flue gas outlet 302, a workshop heat device 5 is communicated with the process hot water inlet 303, and a process hot water return port 402 is communicated with the process hot water outlet 304.
A flue gas inlet pipe 8 is arranged between the smoke pipe 1 of the RTO incinerator and the flue gas inlet 301, a flue gas outlet pipe 9 is arranged between the chimney 2 and the flue gas outlet 302, a workshop heat equipment water outlet pipe 10 is arranged between the workshop heat equipment 5 and the process hot water inlet 303, and a process hot water return pipe 11 is arranged between the process hot water return port 402 and the process hot water outlet 304.
A flue gas communicating pipe 12 is arranged between the flue gas inlet pipe 8 and the flue gas outlet pipe 9, and a process hot water communicating pipe 13 is arranged between the water outlet pipe 10 of the workshop heat equipment and the process hot water return pipe 11. A flue gas communicating pipe valve 14 is arranged on the flue gas communicating pipe 12, and a process hot water communicating pipe valve 15 is arranged on the process hot water communicating pipe 13.
The water outlet pipe 10 of the workshop heat equipment is provided with a circulating water pump 16.
An exhaust valve 17 is arranged at the top of the waste heat recoverer 3. The bottom of the waste heat recoverer 3 is provided with a drain valve 18.
The system also includes a PLC control cabinet 19.
In practical application, high-temperature waste flue gas in a flue pipe 1 of the RTO incinerator enters a waste heat recoverer 3 to exchange heat with process hot water return water of workshop heat equipment 5, and the temperature of the flue gas is reduced after heat exchange and is discharged through a chimney 2; the process hot water return water is heated and then returns to the hot water boiler 4 through the process hot water return pipe 11 to be heated to a set temperature.
The embodiments described above are intended to facilitate the understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention according to the disclosure of the present invention.
Claims (10)
1. The utility model provides a RTO incinerator flue gas waste heat recovery utilizes system, its characterized in that, this system includes RTO incinerator tobacco pipe (1), chimney (2), waste heat recoverer (3), hot water boiler (4) and workshop and uses heat equipment (5), hot water boiler (4) on be equipped with technology hot water supply port (401) and technology hot water return water mouth (402), technology hot water supply port (401) be linked together with workshop with heat equipment (5), technology hot water return water mouth (402) be linked together with workshop with heat equipment (5) through waste heat recoverer (3), RTO incinerator tobacco pipe (1) be linked together with chimney (2) through waste heat recoverer (3).
2. The RTO incinerator flue gas waste heat recovery system of claim 1, characterized in that a process hot water supply pipe (6) is arranged between said process hot water supply port (401) and the plant heat equipment (5), and a process hot water circulating pump (7) is arranged on said process hot water supply pipe (6).
3. The RTO incinerator flue gas waste heat recovery and utilization system of claim 1, characterized in that, said waste heat recoverer (3) is provided with a flue gas inlet (301), a flue gas outlet (302), a process hot water inlet (303) and a process hot water outlet (304), said RTO incinerator flue pipe (1) is communicated with the flue gas inlet (301), said chimney (2) is communicated with the flue gas outlet (302), said workshop heat equipment (5) is communicated with the process hot water inlet (303), said process hot water return port (402) is communicated with the process hot water outlet (304).
4. The RTO incinerator flue gas waste heat recovery utilizes system of claim 3, characterized by, RTO incinerator flue gas intake pipe (8) be equipped with between flue gas entry (301) and the RTO incinerator flue gas pipe (1), be equipped with flue gas outlet duct (9) between chimney (2) and flue gas outlet (302), be equipped with workshop with between hot equipment (5) and technology hot water entry (303) with hot equipment outlet pipe (10), be equipped with technology hot water wet return (11) between technology hot water return (402) and technology hot water exit (304).
5. The RTO incinerator flue gas waste heat recovery system of claim 4, characterized in that flue gas communicating pipe (12) is arranged between flue gas inlet pipe (8) and flue gas outlet pipe (9), and process hot water communicating pipe (13) is arranged between workshop heat equipment outlet pipe (10) and process hot water return pipe (11).
6. The RTO incinerator flue gas waste heat recovery system of claim 5, characterized by that, said flue gas communicating pipe (12) is equipped with flue gas communicating pipe valve (14), said process hot water communicating pipe (13) is equipped with process hot water communicating pipe valve (15).
7. The system for recycling the waste heat of the flue gas of the RTO incinerator according to claim 4, characterized in that a circulating water pump (16) is arranged on a water outlet pipe (10) of the workshop heat equipment.
8. The system for recycling the flue gas waste heat of the RTO incinerator according to claim 1, characterized in that the top of the waste heat recoverer (3) is provided with an exhaust valve (17).
9. The system for recycling the flue gas waste heat of the RTO incinerator according to the claim 1, characterized in that the bottom of the waste heat recoverer (3) is provided with a drain valve (18).
10. The RTO incinerator flue gas waste heat recovery system of claim 1 characterized in that, this system also includes PLC switch board (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022533858.8U CN213686851U (en) | 2020-11-05 | 2020-11-05 | RTO incinerator flue gas waste heat recovery utilizes system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022533858.8U CN213686851U (en) | 2020-11-05 | 2020-11-05 | RTO incinerator flue gas waste heat recovery utilizes system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213686851U true CN213686851U (en) | 2021-07-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022533858.8U Active CN213686851U (en) | 2020-11-05 | 2020-11-05 | RTO incinerator flue gas waste heat recovery utilizes system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213686851U (en) |
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2020
- 2020-11-05 CN CN202022533858.8U patent/CN213686851U/en active Active
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