CN219474310U - Waste heat recovery device of coking equipment - Google Patents
Waste heat recovery device of coking equipment Download PDFInfo
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- CN219474310U CN219474310U CN202320085387.XU CN202320085387U CN219474310U CN 219474310 U CN219474310 U CN 219474310U CN 202320085387 U CN202320085387 U CN 202320085387U CN 219474310 U CN219474310 U CN 219474310U
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- heat
- heat exchange
- pipe
- waste gas
- recovery device
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Abstract
The utility model discloses a waste heat recovery device of coking equipment, which comprises a heat storage furnace, wherein an air inlet pipe and an air outlet pipe are arranged on the heat storage furnace and are communicated with a filter tank, filtered water is arranged in the filter tank, the air outlet pipe extends into the filtered water, an air outlet pipe is further arranged at the top of the filter tank, a heat exchange pipe group is further arranged in the heat storage furnace, the air outlet pipe is connected with one end of the heat exchange pipe group, and the other end of the heat exchange pipe group is connected with a return pipe. According to the utility model, through arranging the heat accumulating furnace and the filter box, waste gas generated by coking firstly enters the heat accumulating furnace to accumulate heat, after a certain amount of heat in the waste gas is consumed, the waste gas enters the filter box to be filtered, the filtered waste gas reenters the heat exchange tube group in the heat accumulating furnace through the pipeline, after heat exchange, the filtered waste gas is reheated and conveyed into the combustion chamber through the pipeline, so that the combustion supporting effect is achieved, the temperature of the combustion chamber can be maintained by the high-temperature gas, so that the combustion efficiency is greatly improved, and the consumption of energy is further reduced.
Description
Technical Field
The utility model relates to the technical field of coke oven equipment, in particular to a waste heat recovery device of coking equipment.
Background
The coke oven is a kiln for producing coke by using coal, the coke oven body is formed by furnace top, combustion chamber, carbonization chamber, chute area and the like, the waste gas discharged by the prior coke oven has a large amount of waste heat and dust particles, if the waste gas is directly discharged, the waste of heat energy is caused, and the damage to the environment is also caused, at present, although the coke oven is additionally provided with waste gas treatment equipment, the waste gas after cooling and impurity removal is wasted, most of the heat is not effectively utilized in the actual production process, the waste gas is favorable for protecting the environment, the waste of energy is caused, and the treated waste gas still has a certain amount of waste heat, and even though the waste gas is directly discharged, the waste gas with the waste heat still has a certain utilization value, but in the current production process, the waste gas with the waste heat is not recycled, so how to improve the recycling rate of the waste gas, and the recycling rate of the waste gas is improved, and the weight of energy consumption is reduced.
Disclosure of Invention
The utility model aims to avoid the defects of the prior art and provides a waste heat recovery device of coking equipment, thereby effectively solving the defects in the prior art.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a coking equipment waste heat recovery device, includes the heat accumulation stove, be provided with intake pipe and blast pipe on the heat accumulation stove, be provided with a plurality of heat accumulator in the heat accumulation stove, blast pipe and rose box intercommunication, be provided with the filtration water in the rose box, the blast pipe extends to in the filtration water, and the top of rose box still is provided with the outlet duct, the outlet duct to extend in the heat accumulation stove, still be provided with the heat exchange tube group in the heat accumulation stove, the outlet duct with the one end of heat exchange tube group is connected, and the other end of heat exchange tube group is connected with the back flow that extends to the heat accumulation stove outside.
Further, the heat exchange tube group comprises two symmetrical shunting joints, the air outlet pipe and the return pipe are respectively connected with the shunting joints on two sides, a plurality of heat exchange tubes are uniformly distributed among the shunting joints, and the heat exchange tubes are mutually communicated with the shunting joints.
Further, a plurality of heat exchange fins are uniformly distributed on the outer side of the heat exchange tube.
Further, the heat accumulator is a ceramic heat accumulator, and the heat accumulator surrounds the outer side of the heat exchange tube group.
Further, the lower extreme of rose box is the throat structure, and the rose box is provided with the blow off pipe in its tip of throat.
Further, a drain valve is arranged on the drain pipe.
Further, an air pump is arranged on the air outlet pipe.
The technical scheme of the utility model has the following beneficial effects: according to the utility model, through arranging the heat accumulating furnace and the filter box, waste gas generated by coking firstly enters the heat accumulating furnace to accumulate heat, after a certain amount of heat in the waste gas is consumed, the waste gas enters the filter box to be filtered, so that impurity particles in the waste gas are removed, the filtered waste gas also carries a certain amount of waste heat, the waste gas reenters the heat exchange tube group in the heat accumulating furnace through the pipeline, after heat exchange, the filtered waste gas is reheated and conveyed into the combustion chamber through the pipeline, so that the combustion supporting effect is achieved, and after the waste gas after the temperature is increased by filtration enters the combustion chamber again, the temperature in the combustion chamber can be kept due to the fact that the waste gas is high-temperature gas, so that the combustion efficiency is greatly improved, and further the consumption of energy is reduced.
Drawings
FIG. 1 is a schematic view of a front view in cross section of an embodiment of the present utility model;
fig. 2 is an enlarged view at a in fig. 1.
Detailed Description
In order that the above-recited objects, features and advantages of the present utility model can be more clearly understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings, it being understood that the embodiments and features of the embodiments may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the scope of the present utility model is not limited to the specific embodiments disclosed below.
As shown in fig. 1-2, the waste heat recovery device of the coking equipment in the embodiment comprises a heat storage furnace 1, wherein an air inlet pipe 2 and an air outlet pipe 3 are arranged on the heat storage furnace 1, a plurality of heat storages 4 are arranged in the heat storage furnace 1, the air outlet pipe 3 is communicated with a filter tank 5, filtered water 6 is arranged in the filter tank 5, the air outlet pipe 3 extends into the filtered water 6, an air outlet pipe 8 is further arranged at the top of the filter tank 5, the air outlet pipe 8 extends into the heat storage furnace 1, a heat exchange pipe group 9 is further arranged in the heat storage furnace 1, the air outlet pipe 8 is connected with one end of the heat exchange pipe group 9, the other end of the heat exchange pipe group 9 is connected with a return pipe 10 extending towards the outside of the heat storage furnace 1, the air inlet pipe 2 is communicated with an exhaust gas discharge pipeline of the coking furnace, and the return pipe 10 extends into the coking furnace and is communicated with a combustion chamber in the coking furnace.
The heat exchange tube group 9 comprises two symmetrical shunting joints 9a, the air outlet tube 8 and the return tube 10 are respectively connected with the shunting joints 9a on two sides, a plurality of heat exchange tubes 9b are uniformly distributed among the shunting joints 9a, the heat exchange tubes 9b are mutually communicated with the shunting joints 9a, the shunting joints 9a communicated with the air outlet tube 8 are used for shunting gas, the shunted gas flows into the shunting joints 9a on the other side through the heat exchange tubes 9b, the shunted gas flows out again through the return tube 10 after being rectified through the shunting joints 9a, and the contact area of a pipeline in the heat accumulating furnace 1 can be increased and the heat exchange efficiency is improved due to the arrangement of the plurality of groups of heat exchange tubes 9 b.
A plurality of heat exchange fins 9c are uniformly distributed on the outer side of the heat exchange tube 9b, and the heat exchange fins 9c can further improve the heat exchange efficiency of gas.
The heat accumulator 4 is a ceramic heat accumulator, and the heat accumulator 4 surrounds the outer side of the heat exchange tube group 9.
The lower extreme of rose box 5 is the throat structure, and rose box 5 is provided with blow off pipe 11 at its tip that contracts.
A drain valve 12 is arranged on the drain pipe 11.
The filter box 5 is also provided with a water supplementing port (not shown in the figure).
An air pump 13 is arranged on the air outlet pipe 8, and the air pump 13 is used for leading out the filtered waste gas.
The working principle of the utility model is as follows: firstly, high-temperature waste gas generated by the coke oven enters the heat storage oven 1 through the air inlet pipe 2, heat in the waste gas is absorbed by the heat storage body 4, so that the temperature in the heat storage oven 1 is kept, heat exchange work is better carried out, in addition, the waste gas heats the heat exchange pipe group 9 when flowing, the waste gas after heat exchange is discharged through the air outlet pipe 3 and enters the filter box 5, the waste gas enters the filter water 6 for cleaning and filtering, impurity particles in the waste gas are deposited in the water, the gas is discharged out of the filter water 6, the discharged waste gas still has a certain heat residue, the filtered waste gas is reintroduced into the heat storage oven 1 through the air outlet pipe, the filtered waste gas enters the heat exchange pipe group 9 for heat exchange and temperature rise, the waste gas after the temperature rise again flows into the combustion chamber of the coke oven again through the return pipe 10, the temperature in the heat storage body 4 can be kept continuously, the normal operation of the heat exchange work can be guaranteed, the temperature is prevented from being too fast, the impurity particles in the filter box 5 can be gradually increased, and then the waste gas can be discharged through the exhaust pipe 3 after the filter water is submerged, and the impurity particles are discharged out of the filter water, and the filter water is discharged out of the filter pipe 3.
The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (7)
1. The utility model provides a coking equipment waste heat recovery device which characterized in that: including the heat accumulation stove, be provided with intake pipe and blast pipe on the heat accumulation stove, be provided with a plurality of heat accumulator in the heat accumulation stove, blast pipe and rose box intercommunication, be provided with the filtration water in the rose box, the blast pipe extends to in the filtration water, and the top of rose box still is provided with the outlet duct, the outlet duct to extend in the heat accumulation stove, still be provided with the heat exchange tube group in the heat accumulation stove, the outlet duct with the one end of heat exchange tube group is connected, and the other end of heat exchange tube group is connected with the back flow to the outside extension of heat accumulation stove.
2. The coking plant waste heat recovery device of claim 1, wherein: the heat exchange tube group comprises two symmetrical shunting joints, the air outlet pipe and the return pipe are respectively connected with the shunting joints on two sides, a plurality of heat exchange tubes are uniformly distributed among the shunting joints, and the heat exchange tubes are mutually communicated with the shunting joints.
3. The coking plant waste heat recovery device according to claim 2, wherein: and a plurality of heat exchange fins are uniformly distributed on the outer side of the heat exchange tube.
4. The coking plant waste heat recovery apparatus according to claim 3, wherein: the heat accumulator is a ceramic heat accumulator, and the heat accumulator surrounds the outer side of the heat exchange tube group.
5. The coking plant waste heat recovery device of claim 1, wherein: the lower extreme of rose box is the throat structure, and the rose box is provided with the blow off pipe at its tip of throat.
6. The coking plant waste heat recovery apparatus according to claim 5, wherein: and a drain valve is arranged on the drain pipe.
7. The coking plant waste heat recovery device of claim 1, wherein: an air pump is arranged on the air outlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320085387.XU CN219474310U (en) | 2023-01-30 | 2023-01-30 | Waste heat recovery device of coking equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320085387.XU CN219474310U (en) | 2023-01-30 | 2023-01-30 | Waste heat recovery device of coking equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219474310U true CN219474310U (en) | 2023-08-04 |
Family
ID=87460022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320085387.XU Active CN219474310U (en) | 2023-01-30 | 2023-01-30 | Waste heat recovery device of coking equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219474310U (en) |
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2023
- 2023-01-30 CN CN202320085387.XU patent/CN219474310U/en active Active
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