CN220656959U - Purification system for jetting coke oven gas from European smelting furnace - Google Patents
Purification system for jetting coke oven gas from European smelting furnace Download PDFInfo
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- CN220656959U CN220656959U CN202322093154.7U CN202322093154U CN220656959U CN 220656959 U CN220656959 U CN 220656959U CN 202322093154 U CN202322093154 U CN 202322093154U CN 220656959 U CN220656959 U CN 220656959U
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- gas
- coke oven
- shell
- oven gas
- pouring pipe
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- 239000000571 coke Substances 0.000 title claims abstract description 65
- 238000000746 purification Methods 0.000 title claims abstract description 22
- 238000003723 Smelting Methods 0.000 title description 9
- 239000000463 material Substances 0.000 claims abstract description 24
- 238000013020 steam cleaning Methods 0.000 claims abstract description 13
- 238000002347 injection Methods 0.000 claims abstract description 12
- 239000007924 injection Substances 0.000 claims abstract description 12
- 238000009826 distribution Methods 0.000 claims abstract description 10
- 239000000428 dust Substances 0.000 claims abstract description 8
- 239000010865 sewage Substances 0.000 claims abstract description 7
- 238000007599 discharging Methods 0.000 claims abstract 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 15
- 238000002309 gasification Methods 0.000 claims description 8
- 238000007689 inspection Methods 0.000 claims description 7
- 238000005520 cutting process Methods 0.000 claims description 6
- 230000004907 flux Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000007664 blowing Methods 0.000 abstract description 11
- 239000007789 gas Substances 0.000 description 83
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 6
- 229910052739 hydrogen Inorganic materials 0.000 description 6
- 239000001257 hydrogen Substances 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 5
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005272 metallurgy Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model discloses a purification system for blowing coke oven gas of an European and Metallurgical furnace, which comprises two coke oven gas purification devices connected in parallel, wherein a steam cleaning valve and a charging device are welded and installed at the upper part of a shell of the purification device, and the steam cleaning valve is connected with a steam source; the coke oven gas outlet is arranged at the center of the top surface of the shell, a dust removing device is arranged in the upper part of the shell, a round table-shaped material support is arranged in the lower part of the shell, a discharge opening is arranged on the shell wall at the lower end of the material support, and a sewage discharging device is arranged at the bottom of the shell; the gas pouring pipe is L-shaped and penetrates through the top of the circular truncated cone-shaped material support, the gas distribution device is arranged at the top of the gas pouring pipe, the purifying layer is arranged in the shell above the circular truncated cone-shaped material support, the gas pouring pipe is connected with the coke oven gas main pipe, and the coke oven gas outlet is communicated with the coke oven gas injection device arranged on the gasifier through the compressor unit which is arranged in parallel.
Description
Technical Field
The utility model relates to a purification system for blowing coke oven gas of a European smelting furnace.
Background
The non-blast furnace ironmaking of the European metallurgical furnace consumes a large amount of coal-based fossil energy, and the carbon emission in the production process is higher, so that the development of hydrogen metallurgy is imperative, hydrogen is mainly used as a reducing agent in the reduction smelting process, and the hydrogen metallurgy mainly comprises a hydrogen-rich smelting process at present. The research and practice of blast furnace hydrogen-rich smelting in China mainly comprises the step of blowing hydrogen-rich gas such as coke oven gas, natural gas and the like into the blast furnace. If coke oven gas is blown, substances such as tar, benzene, naphthalene and the like in the coke oven gas are separated out under the condition of pressure and temperature change, and the air cylinder and the pipeline valve of the blowing compressor are adversely affected to a control system.
Disclosure of Invention
The utility model aims to provide a purification system for jetting coke oven gas from an European smelting furnace, which can reduce the faults of the coke oven gas jetting system, purify the coke oven gas and ensure the stable and smooth production of the European smelting furnace jetting coke oven gas system.
The technical scheme adopted by the utility model is as follows: the purification system for blowing coke oven gas of the European metallurgical furnace comprises two coke oven gas purification devices which are connected in parallel, wherein the purification devices comprise a shell, a discharge port, a steam cleaning valve, a coke oven gas outlet, a dust removal device, a charging device, an air inlet cutting device, an inspection manhole, a sewage disposal device, a purification layer, a gas pouring pipe, a gas distribution device and a round table-shaped material support; the upper part of the shell is welded with a steam cleaning valve and a charging device, and the steam cleaning valve is connected with a steam source; the coke oven gas outlet is arranged in the center of the top surface of the shell, a dust removing device is arranged in the upper part of the shell, and inspection manholes are respectively arranged on two side walls of the upper part of the shell; a round table-shaped material support is arranged in the lower part of the shell, a material outlet is arranged on the shell wall at the lower end of the material support, and a sewage disposal device is arranged at the bottom of the shell; the gas pouring pipe is L-shaped, the top of the circular truncated cone-shaped material support penetrates through the top of the circular truncated cone-shaped material support to be matched with the welding seal, the lower part of the gas pouring pipe penetrates through the right side of the lower part of the shell to be welded in a sealing manner, the front end of the gas pouring pipe is provided with an air inlet cutting device, the top of the gas pouring pipe is provided with a gas distribution device which is in an inverted cone shape, the bottom of the gas pouring pipe is connected with the gas pouring pipe in a welding manner, the top of the gas pouring pipe is provided with a circular steel plate in a sealing manner, the conical surface of the gas distribution device is provided with a plurality of round holes, the flux of the round holes is larger than the flux of the gas pouring pipe, the diameter of the round holes is smaller than the circumferential geometric diameter of the activated carbon, and a purification layer is arranged in the shell above the circular truncated cone-shaped material support; the coke oven gas outlet is communicated with a coke oven gas injection device arranged on the gasification furnace through a compressor unit which is arranged in parallel; the compressor unit comprises a compressor, a compressor air inlet control valve, a compressor air outlet control valve and a compressor gas internal circulation device, and the gasification furnace coke oven gas injection device is formed by connecting an injection combined air port, an air port coke oven gas injection control device, a coke oven gas inlet loop control device and a coke oven gas enclosure pipe which are arranged at the lower part of the gasification furnace.
The coke oven gas pressurized by the compressor enters the coke oven gas enclosure pipe after the flow rate is regulated by the coke oven gas inlet pipe control device, the bottom of the enclosure pipe is provided with a pipeline which is connected with the blowing combined air port and the air port coke oven gas spraying control device, the coke oven gas is sprayed into the gasifier through 28 groups of blowing combined air ports, the air port coke oven gas spraying control device has the function of regulating the flow rate of a single blowing combined air port, and the coke oven gas inlet pipe control device has the function of regulating the total flow rate entering the annular pipe.
The compressor has the function of increasing the pressure of coke oven gas to 0.4-0.6MPa, the compressor air inlet control valve and the compressor air outlet control valve are used when exiting the compressor and switching the compressor, and the compressor gas internal circulation device has the functions of preventing the pressure from being held down when the compressor is started, stabilizing the pressure difference between an inlet and an outlet and enabling the compressed gas to circulate at the inlet and the outlet of the compressor.
According to the utility model, the coke oven gas purifying device is arranged, the charging device and the discharger for overhauling and replacing the active carbon are considered, so that the active carbon is convenient to replace after failure, and meanwhile, the steam cleaning active carbon and the impurity remover are designed, so that impurities such as tar and the like can be discharged from the pollutant remover through steam cleaning and purging, the active carbon can be recycled, meanwhile, the defect of tar blockage of the gas purifying device is weakened, and the operation and overhauling cost of purifying facilities is reduced. The utility model is provided with 2 groups of gas purifying devices which are connected in parallel, and the gas purifying devices can be switched to withdraw or operate by opening and closing the gas inlet valve through the gas outlet valve of the gas purifying devices, thereby being convenient for maintenance and normal continuous operation.
Drawings
FIG. 1 is a schematic diagram of a connection structure according to the present utility model;
in the figure: 1. a gasification furnace; 2. a compressor; 3. a steam purge valve; 4. a coke oven gas outlet; 5. a dust removal device; 6. a charging device; 7. a purification layer; 8. a manhole is inspected; 9. a sewage disposal device; 10. a round table-shaped material support; 11. a discharge port; 12. a gas distribution device; 13. a gas pouring pipe; 14. an intake air shut-off device; 15. a steam source; 16. a coke oven gas main pipe; 17. coke oven gas feeding loop control device; 18. a coke oven gas enclosure; 19. a compressor inlet control valve; 20. a compressor outlet control valve; 21. blowing a combined tuyere; 22. a tuyere coke oven gas control device; 23. a housing; 24. an internal circulation device for compressor gas.
Description of the embodiments
The purification system for blowing coke oven gas of the European smelting furnace comprises two coke oven gas purification devices which are connected in parallel, as shown in figure 1, wherein the purification devices comprise a shell 23, a discharge port 11, a steam cleaning valve 3, a coke oven gas outlet 4, a dust removal device 5, a charging device 6, an air inlet cutting device 14, an inspection manhole 8, a pollution discharge device 9, a purification layer 7, a gas pouring pipe 13, a gas distribution device 12 and a round table-shaped material support 10; the upper part of the shell is welded and provided with a steam cleaning valve 3 and a charging device 6, and the steam cleaning valve 3 is connected with a steam source 15; the coke oven gas outlet 4 is arranged in the center of the top surface of the shell, the dust collector 5 is arranged in the upper part of the shell, and the two side walls of the upper part of the shell are respectively provided with an inspection manhole 8; a round table-shaped material support 10 is arranged in the lower part of the shell, a material outlet 11 is arranged on the shell wall at the lower end of the material support 10, and a sewage disposal device 9 is arranged at the bottom of the shell; the gas pouring pipe 13 is L-shaped, the top of the circular table-shaped material support 10 penetrates through and is matched with welding sealing, the lower part of the gas pouring pipe 13 penetrates through and is welded with the right side of the lower part of the shell, the front end of the gas pouring pipe 13 is provided with a gas inlet cutting device 14, the top of the gas pouring pipe 13 is provided with a gas distribution device 12 which is in an inverted cone shape, the bottom of the gas pouring pipe is welded with the gas pouring pipe 13, the top of the gas pouring pipe is provided with a circular steel plate in a sealing way, the conical surface of the gas distribution device 12 is provided with a plurality of circular holes, the flux of the circular holes is larger than the flux of the gas pouring pipe, the diameter of the circular holes is smaller than the circumferential geometric diameter of the activated carbon, a purification layer 7 is arranged in the shell above the circular table-shaped material support 10, the purification layer 7 is a single activated carbon layer or an activated carbon layer and a coke layer are respectively arranged from bottom to top, and the top surface of the coke layer is positioned below the inspection manhole position; the coke oven gas pouring pipe 13 is connected with a coke oven gas main pipe 16, and the coke oven gas outlet 4 is communicated with a coke oven gas blowing device arranged on the gasifier through a compressor unit arranged in parallel; the compressor unit comprises a compressor 2, a compressor air inlet control valve 19, a compressor air outlet control valve 20 and a compressor gas internal circulation device 24, and the gasification furnace coke oven gas injection device is formed by connecting an injection combined air port 21, an air port coke oven gas injection control device 22, a coke oven gas inlet loop control device 17 and a coke oven gas surrounding pipe 18 which are arranged at the lower part of the gasification furnace 1.
Claims (1)
1. The utility model provides a purification system of ouye stove jetting coke oven gas, includes two coke oven gas purification device that are connected in parallel, characterized by: the purifying device comprises a shell, a discharge port, a steam cleaning valve, a coke oven gas outlet, a dust removing device, a charging device, an air inlet cutting device, an inspection manhole, a sewage discharging device, a purifying layer, a gas pouring pipe, a gas distributing device and a round table-shaped material support; the upper part of the shell is welded with a steam cleaning valve and a charging device, and the steam cleaning valve is connected with a steam source; the coke oven gas outlet is arranged in the center of the top surface of the shell, a dust removing device is arranged in the upper part of the shell, and inspection manholes are respectively arranged on two side walls of the upper part of the shell; a round table-shaped material support is arranged in the lower part of the shell, a material outlet is arranged on the shell wall at the lower end of the material support, and a sewage disposal device is arranged at the bottom of the shell; the gas pouring pipe is L-shaped, the top of the circular truncated cone-shaped material support passes through and is matched with the welding seal, the lower part of the gas pouring pipe passes through and is welded with the right side of the lower part of the shell, the front end of the gas pouring pipe is provided with an air inlet cutting device, the top of the gas pouring pipe is provided with a gas distribution device which is in an inverted cone shape, the bottom of the gas pouring pipe is welded with the gas pouring pipe, the top of the gas pouring pipe is provided with a round steel plate in a sealing way, the conical surface of the gas distribution device is provided with a plurality of round holes, the flux of the round holes is larger than the flow of a gas pouring pipe, the diameter of the round hole openings is smaller than the circumferential geometric diameter of the activated carbon, a purification layer is arranged in a shell above the round table-shaped material support, the gas pouring pipe is connected with a coke oven gas main pipe, and a coke oven gas outlet is communicated with a coke oven gas injection device arranged on the gasifier through a compressor unit which is arranged in parallel; the compressor unit comprises a compressor, a compressor air inlet control valve, a compressor air outlet control valve and a compressor gas internal circulation device, and the gasification furnace coke oven gas injection device is formed by connecting an injection combined air port, an air port coke oven gas injection control device, a coke oven gas inlet loop control device and a coke oven gas enclosure pipe which are arranged at the lower part of the gasification furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322093154.7U CN220656959U (en) | 2023-08-05 | 2023-08-05 | Purification system for jetting coke oven gas from European smelting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322093154.7U CN220656959U (en) | 2023-08-05 | 2023-08-05 | Purification system for jetting coke oven gas from European smelting furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220656959U true CN220656959U (en) | 2024-03-26 |
Family
ID=90327989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322093154.7U Active CN220656959U (en) | 2023-08-05 | 2023-08-05 | Purification system for jetting coke oven gas from European smelting furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220656959U (en) |
-
2023
- 2023-08-05 CN CN202322093154.7U patent/CN220656959U/en active Active
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