CN220685027U - Raw gas purifying system - Google Patents
Raw gas purifying system Download PDFInfo
- Publication number
- CN220685027U CN220685027U CN202321285874.7U CN202321285874U CN220685027U CN 220685027 U CN220685027 U CN 220685027U CN 202321285874 U CN202321285874 U CN 202321285874U CN 220685027 U CN220685027 U CN 220685027U
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- CN
- China
- Prior art keywords
- raw gas
- gas
- outlet
- catcher
- semi
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- 239000000571 coke Substances 0.000 claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000012716 precipitator Substances 0.000 claims abstract description 13
- 238000000746 purification Methods 0.000 claims abstract description 3
- 230000008676 import Effects 0.000 claims description 10
- 239000000428 dust Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 230000006872 improvement Effects 0.000 abstract description 3
- 239000011269 tar Substances 0.000 description 18
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000011280 coal tar Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000011286 gas tar Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- -1 moisture Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Industrial Gases (AREA)
Abstract
The utility model discloses a raw gas purifying system which comprises a venturi tower, a cyclone catcher, an electric tar catcher, a gas fan and a steam-water separator, wherein a raw gas outlet of a semi-coke oven is communicated with an inlet pipeline of the venturi tower, an outlet of the venturi tower is communicated with an inlet pipeline of the cyclone catcher, an outlet of the cyclone catcher is communicated with an inlet pipeline of the electric tar catcher, and an outlet of the electric tar catcher is communicated with an inlet pipeline of the gas fan. The advantages are that: raw gas is sequentially sent into a venturi tower, a cyclone catcher, an electric tar precipitator and a steam-water separator, so that dust, tar gas, fog drops and moisture in the raw gas can be sequentially removed, the purification effect is good, the dust, tar and moisture content of the finally discharged raw gas can be effectively reduced, and the treatment difficulty of subsequent equipment is reduced; and a heat exchanger is arranged in front of the Venturi tower and is used for preheating air fed into the semi-coke furnace, so that the temperature of the air fed into the semi-coke furnace is increased, and the purposes of energy saving and efficiency improvement are achieved.
Description
Technical field:
the utility model relates to the technical field of semi-coke production, in particular to a raw gas purifying system.
The background technology is as follows:
raw coal can produce raw gas containing dust, moisture, tar gas, sulfide and other substances in the process of firing the semi-coke in the semi-coke furnace, the raw gas discharged from the semi-coke furnace has higher temperature, and the carried dust, tar, moisture and other substances can block pipelines and subsequent equipment, so the raw gas can be used after being purified. At present, raw coke oven gas discharged from a semi-coke oven is mainly sent into a Venturi tower to wash the raw coke oven gas so as to achieve the effects of removing dust, tar and cooling the raw coke oven gas; but the gas purifying effect is poor, and the heat in the raw gas can not be effectively utilized, so that the energy waste is caused.
The utility model comprises the following steps:
the utility model aims to provide a raw gas purifying system.
The utility model is implemented by the following technical scheme: raw gas purifying system, it includes venturi tower, whirlwind trap, electric tar precipitator, gas fan, catch water, the raw gas export of semi-coke oven with venturi tower's import pipeline intercommunication, venturi tower's export with whirlwind trap's import pipeline intercommunication, whirlwind trap's export with electric tar precipitator's import pipeline intercommunication, electric tar precipitator's export with gas fan's import pipeline intercommunication, gas fan's export with catch water's import pipeline intercommunication.
Further, the device also comprises a heat exchanger arranged between the raw coke oven gas outlet and the venturi tower inlet, wherein the raw coke oven gas outlet is communicated with a first inlet pipeline of the heat exchanger, a first outlet of the heat exchanger is communicated with an inlet pipeline of the venturi tower, a second inlet of the heat exchanger is communicated with an outlet pipeline of an air blower, and a second outlet of the heat exchanger is communicated with an inlet pipeline of an air spray pipe of the semi-coke oven.
The utility model has the advantages that: raw gas is sequentially sent into a venturi tower, a cyclone catcher, an electric tar precipitator and a steam-water separator, so that dust, tar gas, fog drops and moisture in the raw gas can be sequentially removed, the purification effect is good, the dust, tar and moisture content of the finally discharged raw gas can be effectively reduced, and the treatment difficulty of subsequent equipment is reduced; and a heat exchanger is arranged in front of the Venturi tower and is used for preheating air fed into the semi-coke furnace, so that the temperature of the air fed into the semi-coke furnace is increased, and the purposes of energy saving and efficiency improvement are achieved.
Description of the drawings:
fig. 1 is a schematic diagram of the overall structure of the present utility model.
Tag name
1-venturi tower, 2-cyclone catcher, 3-electric tar precipitator, 4-gas fan, 5-steam-water separator, 6-semi-coke oven, 7-heat exchanger, 8-air fan, 9-air spray pipe.
The specific embodiment is as follows:
in the description of the present utility model, it should be noted that, if terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are used, the indicated azimuth or positional relationship is based on the azimuth or positional relationship shown in the drawings, only for convenience of description and simplification of the description, and does not indicate or imply that the apparatus or element to be referred must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like, as used herein, are used for descriptive purposes only and are not to be construed as indicating or implying any relative importance.
As shown in fig. 1, the raw gas purifying system comprises a venturi tower 1, a cyclone catcher 2, an electric tar precipitator 3, a gas fan 4 and a steam-water separator 5, wherein a raw gas outlet of a semi-coke oven 6 is communicated with an inlet pipeline of the venturi tower 1, the raw gas purifying system further comprises a heat exchanger 7 arranged between the raw gas outlet and an inlet of the venturi tower 1, the raw gas outlet of the semi-coke oven 6 is communicated with a first inlet pipeline of the heat exchanger 7, a first outlet of the heat exchanger 7 is communicated with an inlet pipeline of the venturi tower 1, a second inlet of the heat exchanger 7 is communicated with an outlet pipeline of an air fan 8, and a second outlet of the heat exchanger 7 is communicated with an inlet pipeline of an air spray pipe 9 of the semi-coke oven 6. The outlet of the Venturi tower 1 is communicated with an inlet pipeline of the cyclone catcher 2, the outlet of the cyclone catcher 2 is communicated with an inlet pipeline of the electric tar precipitator 3, the outlet of the electric tar precipitator 3 is communicated with an inlet pipeline of the gas fan 4, and the outlet of the gas fan 4 is communicated with an inlet pipeline of the steam-water separator 5.
The purifying process comprises the following steps: the raw coke oven 6 discharges raw coke oven gas, which exchanges heat with air from an air blower 8 through a heat exchanger 7, so that the temperature of the raw coke oven gas is reduced on the one hand, and the process requirements on subsequent equipment are reduced; on the other hand, the air sent by the air blower 8 is preheated, so that the temperature of the air entering the semi-coke furnace 6 is increased, and the gas entering the semi-coke furnace 6 can be combusted in advance, thereby achieving the purposes of energy saving and efficiency improvement;
the raw gas cooled by the heat exchanger 7 firstly enters the Venturi tower 1 to wash dust and tar gas in the raw gas, and the raw gas is further cooled; then enters a cyclone catcher 2 for steam-water separation, and can catch part of tar gas; raw gas discharged from the cyclone catcher 2 enters the electric tar catcher 3 to catch tar gas and fog drops in the gas, and coal tar in the gas is removed; the raw gas discharged from the electrical tar precipitator 3 is pressurized by the gas fan 4 and sent to the steam-water separator 5 to further separate water vapor in the raw gas, so that the steam-water separation effect is achieved, and the water content in the gas is reduced; raw gas discharged through the steam-water separator 5 is finally sent into a gas main pipeline.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (2)
1. Raw gas purifying system, its characterized in that includes venturi tower, whirlwind trap, electric tar precipitator, gas fan, catch water, the raw gas export of semi-coke oven with venturi tower's import pipeline intercommunication, venturi tower's export with whirlwind trap's import pipeline intercommunication, whirlwind trap's export with electric tar precipitator's import pipeline intercommunication, electric tar precipitator's export with gas fan's import pipeline intercommunication, gas fan's export with catch water's import pipeline intercommunication.
2. The raw gas purification system of claim 1, further comprising a heat exchanger disposed between the raw gas outlet and the venturi inlet, the raw gas outlet of the semi-coke oven being in communication with the first inlet conduit of the heat exchanger, the first outlet of the heat exchanger being in communication with the inlet conduit of the venturi, the second inlet of the heat exchanger being in communication with the outlet conduit of the air blower, the second outlet of the heat exchanger being in communication with the inlet conduit of the air lance of the semi-coke oven.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321285874.7U CN220685027U (en) | 2023-05-24 | 2023-05-24 | Raw gas purifying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321285874.7U CN220685027U (en) | 2023-05-24 | 2023-05-24 | Raw gas purifying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220685027U true CN220685027U (en) | 2024-03-29 |
Family
ID=90377743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321285874.7U Active CN220685027U (en) | 2023-05-24 | 2023-05-24 | Raw gas purifying system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220685027U (en) |
-
2023
- 2023-05-24 CN CN202321285874.7U patent/CN220685027U/en active Active
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| GR01 | Patent grant |