CN214038435U - Waste incineration waste heat recovery system - Google Patents
Waste incineration waste heat recovery system Download PDFInfo
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- CN214038435U CN214038435U CN202022287205.6U CN202022287205U CN214038435U CN 214038435 U CN214038435 U CN 214038435U CN 202022287205 U CN202022287205 U CN 202022287205U CN 214038435 U CN214038435 U CN 214038435U
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Abstract
The utility model relates to an energy-concerving and environment-protective technical field especially relates to a waste incineration waste heat recovery system, include: the garbage incinerator is used for treating garbage and discharging slag obtained after treatment from the tail end; the slag cooler comprises a slag discharge port and an exhaust port and is connected with the tail end of the garbage incinerator, the slag cooler is used for carrying out heat exchange cooling on slag by cooling gas and discharging the cooled slag from the slag discharge port, and hot air after heat exchange is discharged through the exhaust port; the slag conveyor is arranged at a slag discharge port of the slag cooler and used for conveying slag to the slag storage bin; the slag storage bin is arranged at the tail end of the slag conveyor and is used for temporarily storing the cooled slag; the fan comprises an air inlet, a pipeline and an air outlet, the air outlet is connected with the garbage incinerator, the air inlet is connected with the air outlet and used for inputting hot air exhausted by the slag cooler into the garbage incinerator, and the heat efficiency of the system is improved.
Description
Technical Field
The utility model relates to an energy-concerving and environment-protective technical field especially relates to a waste incineration waste heat recovery system.
Background
At present, the existing incinerator of a waste incineration plant mostly adopts a water bath type slag remover, a large amount of water is consumed in the slag removing process of the water bath type slag remover, and heat carried by slag is not recycled, so that waste of a large amount of resources and energy is caused.
Therefore, how to save water resources in the slag discharge process of the garbage incinerator and recycle heat energy carried by slag is a technical problem to be solved urgently at present.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention has been made in order to provide a waste incineration waste heat recovery system that overcomes the above problems or at least partially solves the above problems.
The utility model provides a waste incineration waste heat recovery system, include:
the garbage incinerator is used for treating primary mixed domestic garbage or industrial garbage and discharging slag obtained after treatment from the tail end;
the slag cooler comprises a slag discharge port and an exhaust port and is connected with the tail end of the garbage incinerator, the slag cooler is used for performing heat exchange cooling on the slag by cooling gas and discharging the cooled slag from the slag discharge port, and hot air after heat exchange is discharged through the exhaust port;
the slag conveyor is arranged at a slag discharge port of the slag cooler and used for conveying the cooled slag to a slag storage bin;
the slag storage bin is arranged at the tail end of the slag conveyor and is used for temporarily storing the cooled slag;
and the fan comprises an air inlet, a pipeline and an air outlet, the air outlet is connected with the garbage incinerator, and the air inlet is connected with the air outlet and used for inputting the hot air into the garbage incinerator to be used as combustion-supporting air.
Further, still include: a dust remover;
the dust remover is arranged between the exhaust port of the slag cooler and the air inlet of the fan and used for collecting ash carried in the hot air.
Further, still include:
and the spray dust-settling device is arranged at the slag discharge hole of the slag cooler and above the slag storage bin and is used for spraying water to settle dust.
Further, still include:
and the permanent magnet iron remover is arranged above the slag conveyor and is used for removing iron metal substances in the slag.
Further, the waste incinerator is specifically a mechanical grate furnace or a pyrolysis gasifier.
Further, the slag cooler is specifically a closed ring cooler or a closed belt cooler.
Further, a first chute is arranged at the tail end of the garbage incinerator and used for discharging the slag to the slag cooler.
Further, the dust remover still includes: a second chute for discharging the ash to the slag storage bin.
Further, the dust remover is specifically a cyclone dust remover or a bag-type dust remover.
Further, the fan is connected with a variable frequency motor and used for adjusting air quantity.
The embodiment of the utility model provides an in one or more technical scheme, following technological effect or advantage have at least:
the utility model provides a waste incineration waste heat recovery system, include: the garbage incinerator is used for treating primary mixed domestic garbage or industrial garbage and discharging slag obtained after treatment from the tail end; the slag cooler comprises a slag discharge port and an exhaust port and is connected with the tail end of the garbage incinerator, the slag cooler is used for carrying out heat exchange cooling on slag by adopting cooling gas, the cooled slag is discharged from the slag discharge port, and hot air after heat exchange is discharged through the exhaust port; the slag conveyor is arranged at a slag discharge port of the slag cooler and used for conveying the cooled slag to a slag storage bin; the slag storage bin is arranged at the tail end of the slag conveyor and is used for temporarily storing the cooled slag; a fan, comprising: air intake, pipeline and air outlet, this air outlet connection waste incinerator, the air intake is connected with the gas vent for with the waste incinerator of slag cooler exhaust hot-air input, as combustion-supporting wind, the hot-air that the slag produced in the cooling process is retrieved, and input waste incinerator once more and utilize, effectively retrieve the waste heat of slag and recycle, improved the thermal efficiency of system.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 shows the embodiment of the present invention, which is a schematic structural diagram of a waste incineration waste heat recovery system.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
The utility model provides a pair of waste incineration waste heat recovery system adopts the technology of air cooling waste incineration slag, compares in the water bath formula row's sediment technology of general application in present trade, not only can the water economy resource, moreover, can also effectively retrieve the waste heat of slag, improves the thermal efficiency of system, helps improving the comprehensive benefit of waste incineration plant.
The embodiment of the utility model provides a waste incineration waste heat recovery system, as shown in figure 1, include:
the garbage incinerator 1 is used for treating primary mixed domestic garbage or industrial garbage and discharging slag obtained after treatment from the tail end.
The slag cooler 2 comprises a slag discharge port 21 and an exhaust port 22, and is connected with the tail end of the garbage incinerator 1, the slag cooler 2 is used for carrying out heat exchange cooling on slag by adopting cooling gas, the cooled slag is discharged from the slag discharge port, and hot air after heat exchange is discharged through the exhaust port.
And the slag conveyor 3 is arranged at a slag discharge port of the slag cooler 2 and used for conveying the cooled slag to a slag storage bin 8.
The slag storage bin 8 is arranged at the tail end of the slag conveyor 3 and is used for temporarily storing the cooled slag;
the fan 7 comprises an air inlet 71, a pipeline 72 and an air outlet 73, the air outlet 73 is connected with the garbage incinerator 1, and the air inlet 71 is connected with the air outlet 22 and used for inputting hot air exhausted by the slag cooler 2 into the garbage incinerator 1 to serve as combustion-supporting air.
Therefore, the whole system recovers the hot air generated in the cooling process of the slag and inputs the hot air into the garbage incinerator 1 for utilization, and the thermal efficiency of the system is improved.
The temperature of the slag discharged by the garbage incinerator 1 is about 300-600 ℃, the temperature of the slag can be reduced to 30-50 ℃ at the lowest after the slag is fully exchanged heat with cooling air by the slag cooler 2, the cooling air is heated to about 200 ℃, the heated hot air is sent into the garbage incinerator 1 through the fan 7 to be used as combustion-supporting air to enter the incinerator for incineration, and the steam consumption of primary air heating can be effectively saved.
The garbage is specifically primary mixed domestic garbage or industrial garbage, and is not limited herein.
The waste incinerator 1 is specifically a mechanical grate furnace or a pyrolysis gasifier. The tail end of the garbage incinerator 1 is provided with a first chute for discharging the slag to a slag cooler 2.
The slag cooler 2 is specifically a closed ring cooler or a closed belt cooler. Wherein the cooling gas used in the cooling process is specifically ambient air or air introduced from the waste storage pit.
After the garbage incinerator 1 processes garbage, obtained slag is discharged from the tail end of the garbage incinerator 1, the temperature of the slag is 300-600 ℃, then the slag enters the slag cooler 2 for cooling, and the temperature of cooling air used for cooling is increased from 20-30 ℃ to about 200 ℃.
The cooled slag then enters a slag conveyor 3, which slag conveyor 3 is embodied as a belt conveyor, arranged at the slag discharge opening of the slag cooler 2 for transporting the cooled slag to a slag storage bin 8.
The slag storage bin 8 is provided at the end of the slag conveyor 3 for temporarily storing the cooled slag. This portion of the slag needs to be cleaned and transported regularly.
The system further comprises a dust separator 6, the dust separator 6 comprising: the dust collector 6 is arranged between the exhaust port 22 of the slag cooler 2 and the air inlet 71 of the fan 7 and is used for collecting ash carried in hot air.
The dust collector 6 is specifically a cyclone dust collector or a bag-type dust collector.
The dust collector 6 includes: a second chute for discharging the collected ash to the slag storage bin 8.
The system further comprises: and the fan 7 comprises an air inlet 71, a pipeline 72 and an air outlet 73, the air outlet 73 is connected with the garbage incinerator 1, the air inlet 71 is connected with the air outlet 22, and the hot air exhausted by the slag cooler 2 is input into the garbage incinerator 1 to be used as combustion-supporting air, so that the steam consumption of primary air heating is saved.
The fan 7 is connected with a variable frequency motor for adjusting air quantity. The air quantity is adjusted according to the operation requirement of the system. The fan adopts a negative pressure air draft mode so as to maintain the micro negative pressure operation of the slag cooler 2 and the dust remover 6 at the front end of the fan and avoid the air overflow.
The system further comprises: the spraying dust settling devices 4 are arranged at the slag discharge hole of the slag cooler 2 and above the slag storage bin 8, can be arranged in a plurality of numbers, are used for spraying water for settling dust and preventing dust from overflowing and scattering
The system further comprises: and the permanent magnet iron remover 5 is arranged above the slag conveyor 3 and is used for removing iron metal substances in the slag. The iron metal substance can also be recycled.
The embodiment of the utility model provides an in one or more technical scheme, following technological effect or advantage have at least:
the utility model provides a waste incineration waste heat recovery system, include: the garbage incinerator is used for treating primary mixed domestic garbage or industrial garbage and discharging slag obtained after treatment from the tail end; the slag cooler comprises a slag discharge port and an exhaust port and is connected with the tail end of the garbage incinerator, the slag cooler is used for carrying out heat exchange cooling on slag by adopting cooling gas, the cooled slag is discharged from the slag discharge port, and hot air after heat exchange is discharged through the exhaust port; the slag conveyor is arranged at a slag discharge port of the slag cooler and used for conveying the cooled slag to a slag storage bin; the slag storage bin is arranged at the tail end of the slag conveyor and is used for temporarily storing the cooled slag; a fan, comprising: air intake, pipeline and air outlet, this air outlet connection waste incinerator, the air intake is connected with the gas vent for with the waste incinerator of slag cooler exhaust hot-air input, as combustion-supporting wind, retrieve the hot-air that the slag produced in the cooling process, and input waste incinerator once more and utilize, effectively retrieve the waste heat of slag and recycle, improved the thermal efficiency of system.
Claims (10)
1. A waste incineration waste heat recovery system is characterized by comprising:
the garbage incinerator is used for treating primary mixed domestic garbage or industrial garbage and discharging slag obtained after treatment from the tail end;
the slag cooler comprises a slag discharge port and an exhaust port and is connected with the tail end of the garbage incinerator, the slag cooler is used for performing heat exchange cooling on the slag by cooling gas and discharging the cooled slag from the slag discharge port, and hot air after heat exchange is discharged through the exhaust port;
the slag conveyor is arranged at a slag discharge port of the slag cooler and used for conveying the cooled slag to a slag storage bin;
the slag storage bin is arranged at the tail end of the slag conveyor and is used for temporarily storing the cooled slag;
and the fan comprises an air inlet, a pipeline and an air outlet, the air outlet is connected with the garbage incinerator, and the air inlet is connected with the air outlet and used for inputting hot air discharged by the slag cooler into the garbage incinerator to serve as combustion-supporting air.
2. The waste incineration waste heat recovery system of claim 1, further comprising: a dust remover;
the dust remover is arranged between the exhaust port of the slag cooler and the air inlet of the fan and used for collecting ash carried in the hot air.
3. The waste incineration waste heat recovery system of claim 1, further comprising:
and the spray dust-settling device is arranged at the slag discharge hole of the slag cooler and above the slag storage bin and is used for spraying water to settle dust.
4. The waste incineration waste heat recovery system of claim 1, further comprising:
and the permanent magnet iron remover is arranged above the slag conveyor and is used for removing iron metal substances in the slag.
5. The waste incineration waste heat recovery system according to claim 1, wherein the waste incineration furnace is specifically a mechanical grate furnace or a pyrolysis gasifier.
6. The waste incineration waste heat recovery system according to claim 1, wherein the slag cooler is embodied as a closed ring cooler or a closed belt cooler.
7. The waste incineration waste heat recovery system according to claim 1, wherein the tail end of the waste incinerator is provided with a first chute for discharging the slag to the slag cooler.
8. The waste incineration waste heat recovery system of claim 2, wherein the dust remover comprises: a second chute for discharging the ash to the slag storage bin.
9. The waste incineration waste heat recovery system according to claim 2, wherein the dust collector is specifically a cyclone dust collector or a bag-type dust collector.
10. The waste incineration waste heat recovery system of claim 1, wherein the fan is connected with a variable frequency motor for adjusting air volume.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022287205.6U CN214038435U (en) | 2020-10-14 | 2020-10-14 | Waste incineration waste heat recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022287205.6U CN214038435U (en) | 2020-10-14 | 2020-10-14 | Waste incineration waste heat recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214038435U true CN214038435U (en) | 2021-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022287205.6U Active CN214038435U (en) | 2020-10-14 | 2020-10-14 | Waste incineration waste heat recovery system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214038435U (en) |
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2020
- 2020-10-14 CN CN202022287205.6U patent/CN214038435U/en active Active
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