CN219174453U - Device for cooling and separating tar from coal gas of submerged arc furnace - Google Patents
Device for cooling and separating tar from coal gas of submerged arc furnace Download PDFInfo
- Publication number
- CN219174453U CN219174453U CN202320236611.0U CN202320236611U CN219174453U CN 219174453 U CN219174453 U CN 219174453U CN 202320236611 U CN202320236611 U CN 202320236611U CN 219174453 U CN219174453 U CN 219174453U
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- box body
- lower box
- pipeline
- gas
- cooling
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- 238000001816 cooling Methods 0.000 title claims abstract description 28
- 239000003034 coal gas Substances 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000007921 spray Substances 0.000 claims description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims 5
- 238000003723 Smelting Methods 0.000 abstract description 7
- 238000005192 partition Methods 0.000 abstract description 7
- 239000011269 tar Substances 0.000 description 10
- 239000002893 slag Substances 0.000 description 5
- 239000012535 impurity Substances 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 239000011280 coal tar Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011143 downstream manufacturing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model discloses a coal gas cooling and tar separating device of an ore smelting furnace, which comprises a support frame, an upper box body and a lower box body, wherein a partition plate is arranged in the middle of the upper box body; the lower box body is installed on the support frame, and the lower extreme of lower box body is equipped with the water seal pipe. The utility model has simple structure and low cost, reduces the temperature of the medium in the gas pipeline, reduces the pressure in the pipeline, improves the service efficiency of the air inlet side fan, and ensures the continuous normal operation of downstream equipment.
Description
Technical Field
The utility model relates to the field of submerged arc furnaces, in particular to a submerged arc furnace gas cooling and tar separating device.
Background
The ore-smelting furnace is also called an electric arc furnace or a resistance furnace, and is mainly used for reducing and smelting raw materials such as ore, carbonaceous reducing agent, solvent and the like. The gas formed after ore smelting by the ore smelting furnace contains a large amount of dust and pollutants, and also contains a large amount of available gas, which is called ore smelting furnace gas, and is also called raw gas. The coal gas is mainly sent to a downstream production process device for further processing and utilization through a coal gas pipeline at present, so that the high-efficiency, clean and poly-generation of low-rank coal pyrolysis can be realized. However, because the gas temperature is higher, the gas density in the gas pipeline is low, the impurity is more, the pressure is too high in the conveying process, which easily causes the high pressure of the outlet of the fan at the air inlet side, the working load of the fan is increased, the normal use of the fan is influenced, and the normal operation of downstream equipment cannot be satisfied.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a device for cooling and separating tar from coal gas of an ore smelting furnace, which reduces the temperature of the coal gas, improves the conveying capacity and improves the service efficiency of a fan.
The technical scheme of the utility model is as follows:
the device comprises a support frame, an upper box body and a lower box body, wherein a partition plate is arranged in the middle of the upper box body, one side of the partition plate is an air inlet chamber, the other side of the partition plate is an air outlet chamber, the air inlet chamber is connected with a high-temperature gas pipeline, the air outlet chamber is connected with a gas branch pipe, a plurality of vertically arranged cooling air pipes are arranged between the upper box body and the lower box body, and each cooling air pipe is respectively communicated with the upper box body and the lower box body to form a tubular cooler; the lower box body is installed on the support frame, a water seal pool is arranged at the lower end of the lower box body, and the lower box body is connected with the water seal pool through a water seal pipe.
Further, a spraying pipeline is arranged on the side wall of the lower box body.
Further, the lower box body is provided with an inclined guide hopper at the lower end part, and the water seal pipe is connected to the guide hopper of the lower box body.
Further, the outer side wall of the lower box body is also provided with a plurality of reinforcing plates.
Further, a cooler diffusing device is connected to the air outlet chamber of the upper box body through a pipeline, and an on-off valve is arranged on the pipeline connected with the cooler diffusing device.
Further, a blind plate valve and a butterfly valve are arranged on the gas branch pipe.
The technical scheme has the following beneficial effects:
the utility model has simple structure, adopts a plurality of cooling air pipes arranged between the upper box body and the lower box body to form a tube type cooler; the tube type cooler is connected with a high-temperature gas pipeline, the tube type cooler is used for cooling high-temperature gas by air cooling, the cooled gas is sent to a downstream production process through a gas branch pipe, the conveying capacity is improved, the service efficiency of a fan is improved, and the device is pollution-free and low in cost. Meanwhile, tar and dust in the high-temperature gas can be filtered and collected by the lower box body, so that the high-temperature gas is purified.
The side wall of the lower box body is provided with a spray pipeline, and tar and dust accumulated on the lower box body can be cleaned through the spray pipeline.
The gas outlet chamber of the upper box body is connected with a cooler diffusing device through a pipeline, so that residual gas in the tubular cooler can be conveniently discharged.
Further description is provided below with reference to the drawings and detailed description.
Drawings
FIG. 1 is a schematic structural view of embodiment 1;
fig. 2 is a side view of fig. 1.
In the drawing, 1 is a high-temperature gas pipeline, 2 is a gas main pipe, 3 is a water slag pool, 4 is a tube type cooler, 4-1 is a supporting frame, 4-2 is an upper box body, 4-3 is a lower box body, 4-4 is a reinforcing plate, 4-5 is a cooling air pipe, 4-6 is a guide hopper, 5 is a cooler diffusing device, 6 is a water seal pool, 7 is a ball valve, 8 is a supporting frame, 9 is a blind plate valve and 10 is a gas branch pipe.
Detailed Description
Specific example 1:
referring to fig. 1 and 2, the device for cooling and separating tar from coal gas of the submerged arc furnace comprises a supporting frame 4-1, an upper box body 4-2 and a lower box body 4-3, wherein a partition plate is arranged in the middle of the upper box body 4-2, one side of the partition plate is an air inlet chamber, the other side of the partition plate is an air outlet chamber, a feed inlet is formed in the air inlet chamber, and the air inlet chamber is connected with a high-temperature coal gas pipeline 1. The gas outlet chamber is provided with a discharge hole, and is connected with a gas branch pipe 10 and is connected with a gas main pipe 2 through the gas branch pipe 10. A plurality of vertically arranged cooling air pipes 4-5 are arranged between the upper box body 4-2 and the lower box body 4-3, each cooling air pipe 4-5 is respectively communicated with the upper box body 4-2 and the lower box body 4-3 to form a tube type cooler 4, and the cooling area is increased by the plurality of cooling air pipes 4-5. The blind plate valve 9 and the butterfly valve are arranged on the gas branch pipe 10, and the gas cooled by the cooling air pipe 4-5 is controlled to be fed to the gas main pipe to be turned on or off, the blind plate valve 9 is operated before the gas is cut off by the butterfly valve, and the blind plate valve 9 and the butterfly valve are used for cutting off the gas of the shell and tube cooler 4 and the gas main pipe 2, so that the operation is safer. The inlet chamber and the outlet chamber of the upper box body 4-2 are both provided with manholes. The gas outlet chamber of the upper box body 4-2 is connected with a cooler diffusing device 5 through a pipeline, an on-off valve is arranged on the pipeline connected with the cooler diffusing device 5, the cooler diffusing device 5 is used for opening the on-off valve after stopping conveying gas, and residual gas in the gas outlet chamber is discharged until the gas content reaches the standard, and then a person can enter the box body.
The lower box body 4-3 is installed on the support frame 4-1, a water seal pool 6 is arranged at the lower end of the lower box body 4-3, the lower box body 4-3 is connected with the water seal pool 6 through a water seal pipe, coal gas is sealed through water pressure and does not overflow, and coal tar and other impurities after cooling high-temperature coal gas sink into the water seal pool 6 along the water seal pipe, so that the quality of the coal gas is improved. The side wall of the lower box body 4-3 is provided with a spray pipeline, the spray pipeline is provided with a ball valve 7 for controlling the on-off of the spray pipeline, and tar and impurities on the lower box body 4-3 are cleaned through the spray pipeline.
Possibly, the lower box 4-3 is provided with an inclined guide hopper 4-6 at the lower end part, the guide hopper 4-6 is provided with a manhole, a spray pipeline is arranged on the guide hopper 4-6, the guide hopper 4-6 is connected with the water seal tank 6 through a water seal pipe, and the guide hopper is convenient for flowing coal tar, impurities and cleaning water into the water seal tank 6. The upper end of the water seal pool 6 is provided with a water supplementing valve, the bottom is provided with a sewage draining valve, and water can be supplemented into the water seal pool 6 by opening the water supplementing valve. The shell and tube cooler 4 is arranged at the upper end of the water slag pool 3 of the existing submerged arc furnace, the water seal pool 6 is connected with the water slag pool 3, and a sewage discharge valve of the water seal pool 6 is higher than the upper end of the water slag pool, so that sewage in the water seal pool 6 is conveniently discharged into the water slag pool 3 for recovery treatment.
Possibly, a plurality of reinforcing plates 4-4 are arranged on the outer side wall of the lower box body 4-3, and the strength of the lower box body 4-3 is enhanced through the reinforcing plates 4-4. The lower ends of the high-temperature gas pipeline 1 and the gas branch pipe are respectively provided with a bracket 8, and the stability of the high-temperature gas pipeline 1 and the gas branch pipe is improved through the brackets 8.
The working principle of the utility model is as follows: according to the utility model, high-temperature gas in a high-temperature gas pipeline is sent to each cooling air pipe of the shell and tube cooler 4, the contact area of the gas and the outside is effectively increased through a plurality of cooling air pipes, the flow rate of the pipeline is reduced, the heat radiating area and the heat radiating effect are increased, and the cooled high-temperature gas is sent to a gas branch pipe through a discharge hole of the upper box body 4-2 so as to be recycled in a downstream process. The high-temperature gas can quickly reduce the temperature of the gas under the working condition without electricity consumption, reduce the conveying pressure of a gas pipe network, improve the gas density and ensure the normal and efficient operation of downstream equipment; meanwhile, tar and particulate matters contained in the high-temperature gas are cooled and then fall into a water sealing tank, so that the tar in the high-temperature gas is separated. And when tar is accumulated in the guide hoppers 4-6 to a certain extent, flushing is carried out by using a spraying pipeline.
Claims (6)
1. The utility model provides a hot stove coal gas cooling of ore deposit separates tar device which characterized in that: the air inlet chamber is connected with a high-temperature gas pipeline, the air outlet chamber is connected with a gas branch pipe, a plurality of vertically arranged cooling air pipes are arranged between the upper box body and the lower box body, and each cooling air pipe is respectively communicated with the upper box body and the lower box body to form a tubular cooler; the lower box body is installed on the support frame, a water seal pool is arranged at the lower end of the lower box body, and the lower box body is connected with the water seal pool through a water seal pipe.
2. The submerged arc furnace gas cooling and tar separation device according to claim 1, wherein: the side wall of the lower box body is provided with a spray pipeline.
3. The submerged arc furnace gas cooling and tar separation device according to claim 1 or 2, characterized in that: the lower box is provided with an inclined guide hopper at the lower end part, and the water seal pipe is connected to the guide hopper of the lower box.
4. The submerged arc furnace gas cooling and tar separation device according to claim 1 or 2, characterized in that: the outer side wall of the lower box body is also provided with a plurality of reinforcing plates.
5. The submerged arc furnace gas cooling and tar separation device according to claim 1, wherein: the air outlet chamber of the upper box body is connected with a cooler diffusing device through a pipeline, and an on-off valve is arranged on the pipeline connected with the cooler diffusing device.
6. The submerged arc furnace gas cooling and tar separation device according to claim 1, wherein: and a blind plate valve and a butterfly valve are arranged on the gas branch pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320236611.0U CN219174453U (en) | 2023-02-17 | 2023-02-17 | Device for cooling and separating tar from coal gas of submerged arc furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320236611.0U CN219174453U (en) | 2023-02-17 | 2023-02-17 | Device for cooling and separating tar from coal gas of submerged arc furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219174453U true CN219174453U (en) | 2023-06-13 |
Family
ID=86665653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320236611.0U Active CN219174453U (en) | 2023-02-17 | 2023-02-17 | Device for cooling and separating tar from coal gas of submerged arc furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219174453U (en) |
-
2023
- 2023-02-17 CN CN202320236611.0U patent/CN219174453U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yu Jianzhong Inventor after: Zhou Zhigang Inventor after: Hou Jiaxin Inventor after: Tao Jiangsen Inventor after: Chen Jie Inventor before: Yu Jianzhong Inventor before: Zhou Zhigang Inventor before: Hou Jiaxin Inventor before: Tao Jiangsen Inventor before: Chen Jie |