CN219713344U - Gas injection device - Google Patents
Gas injection device Download PDFInfo
- Publication number
- CN219713344U CN219713344U CN202223591782.XU CN202223591782U CN219713344U CN 219713344 U CN219713344 U CN 219713344U CN 202223591782 U CN202223591782 U CN 202223591782U CN 219713344 U CN219713344 U CN 219713344U
- Authority
- CN
- China
- Prior art keywords
- gas
- branch pipe
- injection device
- cabin
- protection cabin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000002347 injection Methods 0.000 title claims abstract description 27
- 239000007924 injection Substances 0.000 title claims abstract description 27
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 abstract description 66
- 238000005245 sintering Methods 0.000 abstract description 19
- 239000000463 material Substances 0.000 abstract description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract description 5
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 5
- 239000001257 hydrogen Substances 0.000 abstract description 5
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 4
- 230000000740 bleeding effect Effects 0.000 abstract description 3
- 238000002485 combustion reaction Methods 0.000 abstract description 3
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 239000002737 fuel gas Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000004449 solid propellant Substances 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 description 1
- 239000003830 anthracite Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Abstract
The utility model provides a gas injection device, which comprises a protection cabin, wherein an air inlet is arranged at the top of the protection cabin in a penetrating way, a position adjusting device is arranged below the air inlet, a gas branch pipe is arranged below the position adjusting device, a gas main pipe is fixedly arranged on one side of the gas branch pipe, a gas valve for controlling gas flow and switching off is fixedly arranged between the gas branch pipe and the gas main pipe, a gas injection device and a fireproof device are arranged below the gas branch pipe, when a sintered material to be processed enters the gas injection device, firstly, air is discharged by utilizing a bleeding valve by utilizing nitrogen, then hydrogen-enriched gas is transported to the gas injection device through the gas main pipe and the gas branch pipe, heat is provided for the sintered material through combustion of the gas, and the opening degree of the gas is adjusted through a gas valve switch. Therefore, the utility model has the advantage of homogenizing the quality of the sintering ore of the upper and lower material layers.
Description
Technical Field
The utility model belongs to the technical field of iron ore agglomeration in the metallurgical industry, and particularly relates to a gas injection device.
Background
Sintering is one of the main processes of steel smelting, and mineral powder is sintered to form blocks. The process has huge energy consumption, which accounts for about 10% of the total energy consumption of the steel industry. At present, solid fuel such as coke powder, anthracite, semi-coke and the like is commonly added in the sintering process at home and abroad, and the components are mainly carbon, so that low carbon emission of sintering flue gas cannot be realized, and the 'double carbon' target advocated by the country is difficult to realize.
In the sintering process, solid fuel cannot be completely combusted, and according to the related information, the flue gas of the sintering machine contains-10000 ppMV of CO, so that energy waste is caused.
The solid fuel also contains a large amount of N, S elements, and pollutants such as NO, SO2 and the like are generated in the sintering process, SO that cost pressure and social pressure are caused for the environmental protection of the sintering machine.
Therefore, in view of the defects of the actual manufacturing and implementation of the scheme, the utility model is modified and improved, and the aims of reducing the fuel consumption of the sintering machine, reducing the SO2, NO and CO contents of the flue gas of the sintering machine, protecting the environment, reducing the cost and improving the quality and the yield of the sintering ore are achieved by the assistance of professional knowledge and experience and the establishment of the utility model after the multi-party skillful and experimental process.
Disclosure of Invention
The utility model provides a gas injection device, which solves the problems in the prior art.
The technical scheme of the utility model is realized as follows: the utility model provides a gas jetting device, includes the protection cabin, the protection cabin top runs through and is provided with the inlet port, the inlet port below is provided with position control device, the position control device below is provided with the gas branch pipe, gas branch pipe one side is fixed to be provided with the gas and is responsible for, fixedly between gas branch pipe and the gas is responsible for and is provided with the gas valve that is used for controlling gas flow and turn-off, gas branch pipe below is provided with jet equipment and fire protection device, fire protection device is the structure of preventing wall.
When the sintering material to be processed enters the sintering machine, firstly, nitrogen is utilized to discharge air through a bleeding valve, then hydrogen-rich fuel gas is transported to an air injection device through a fuel gas main pipe and a fuel gas branch pipe, and at the moment, heat is provided for the sintering material through combustion of the fuel gas, so that the quality of the sintering ore in the upper material layer and the lower material layer is uniform, the opening of the fuel gas is adjusted through opening and closing of the fuel gas valve, a fire wall can separate the air injection device from a high-temperature trolley, and the upward spreading of the trolley after the firing of the material surface is prevented.
As a preferred implementation mode, the gas main pipe is communicated with the gas branch pipe, the top of the protection cabin is of an upward protruding arc structure, the gas inlet hole is located at the highest point of the protection cabin, and the gas main pipe is communicated with the gas branch pipe so that hydrogen-enriched gas is more uniformly distributed on the trolley material surface, and the protection cabin is of an arc structure so that a safe operation space is formed.
As a preferred embodiment, the pressure gauge for measuring the pressure of the gas in the space is arranged in the cabin body of the protection cabin, the pressure gauge can be used for better observing the pressure in the protection cabin, and when the pressure is too high, the gas is rapidly exhausted through the exhaust valve.
As a preferred embodiment, the position adjustment device is used for adjusting the position of the air injection device in the protective cabin, the position adjustment device comprising an injection device lift for powering the position adjustment device.
As a preferred embodiment, a pipeline is arranged outside the protection cabin body, and a discharge valve for discharging mixed gas in the cabin is arranged at the exhaust position of the pipeline, so that rapid pressure reduction can be realized in emergency.
As a preferable implementation mode, the air inlet hole is a cylindrical through hole, and an air inlet valve for controlling the air inlet hole to be opened or closed is fixedly arranged at the air inlet hole.
After the technical scheme is adopted, the utility model has the beneficial effects that: the sintering of the iron ore can be enhanced, the solid burning cost is reduced, and the carbon emission is reduced; the environmental protection pressure is relieved, the production efficiency is improved, the consumption of solid fuel is fundamentally reduced, and the pollutant and carbon emission are reduced.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model;
in the figure, a 1-protection cabin; 2-an air inlet hole; 3-position adjustment means; 4-a gas branch pipe; 5-a gas main pipe; 6-a gas valve; 7-air injection device; 8-a fire protection device; 9-a pressure gauge; 10-a bleeding valve; 11-an air inlet valve.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1, the gas injection device comprises a protection cabin, an air inlet is formed in the top of the protection cabin in a penetrating manner, a position adjusting device is arranged below the air inlet, a gas branch pipe is arranged below the position adjusting device, a gas main pipe is fixedly arranged on one side of the gas branch pipe, a gas valve for controlling gas flow and turning off is fixedly arranged between the gas branch pipe and the gas main pipe, an air injection device and a fireproof device are arranged below the gas branch pipe, and the fireproof device is of a firewall structure.
When the sintering material to be processed enters the gas injection device, firstly, nitrogen is utilized to discharge air through the diffusion valve, then hydrogen-rich gas is transported to the injection device through the gas main pipe and the gas branch pipe, and at the moment, heat is provided for the sintering material through combustion of the gas, so that the quality of the sintering ore of the upper material layer and the lower material layer is uniform, the opening degree of the gas is adjusted through the gas valve switch, the firewall can separate the injection device from the high-temperature trolley, and the upward spreading of the trolley after the material surface of the trolley catches fire is prevented.
The gas is responsible for and is linked together between the gas branch pipe, the protection cabin top is bellied arc structure that makes progress, the inlet port is located the highest point department of protection cabin, and the gas is responsible for and is responsible for the intercommunication of gas branch pipe makes the hydrogen-rich gas more evenly arrange on the platform truck charge level, and protection cabin arc structure makes it form safe operation space.
The pressure gauge is arranged in the cabin body of the protection cabin and used for measuring the pressure of the gas in the space, the pressure gauge can be used for better observing the pressure in the protection cabin, and when the pressure is too high, the gas is rapidly exhausted through the exhaust valve.
The position adjusting device is used for adjusting the position of the air injection device in the protection cabin, and comprises an injection device lifter which is used for providing power for the position adjusting device.
The protection cabin is characterized in that a pipeline is arranged outside the protection cabin body, and a diffusing valve for evacuating mixed gas in the cabin is arranged at the exhaust position of the pipeline, so that rapid pressure reduction can be realized under emergency conditions.
The air inlet is a cylindrical through hole, and an air inlet valve for controlling the air inlet to be opened or closed is fixedly arranged at the air inlet.
In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. In the description of the present utility model, unless otherwise specified and defined, it should be noted that the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, mechanical or electrical, or may be in communication with each other between two elements, directly or indirectly through intermediaries, as would be understood by those skilled in the art, in view of the specific meaning of the terms described above.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (6)
1. The utility model provides a gas jetting device, its characterized in that, includes the protection cabin, the protection cabin top runs through and is provided with the inlet port, the inlet port below is provided with position control device, the position control device below is provided with the gas branch pipe, gas branch pipe one side is fixed to be provided with the gas and is responsible for, the fixed gas valve that is used for controlling gas flow and turn-off that is provided with between gas branch pipe and the gas is responsible for, gas branch pipe below is provided with jet equipment and fire protection device, fire protection device is the structure of preventing hot wall.
2. The gas injection device according to claim 1, wherein the gas main pipe is communicated with the gas branch pipe, the top of the protection cabin is of an upward-protruding arc structure, and the gas inlet hole is located at the highest point of the protection cabin.
3. The gas injection device according to claim 1, wherein a pressure gauge for measuring the gas pressure in the space is provided inside the cabin body of the protection cabin.
4. A gas injection apparatus as claimed in claim 1 wherein the position adjustment means is for adjusting the position of the injection apparatus within the protective compartment, the position adjustment means comprising an injection apparatus elevator for powering the position adjustment means.
5. The gas injection device according to claim 1, wherein a pipeline is arranged outside the protective cabin body, and a discharge valve for discharging mixed gas in the cabin is arranged at the exhaust position of the pipeline.
6. The gas injection device according to claim 1, wherein the gas inlet is a cylindrical through hole, and an air inlet valve for controlling the gas inlet to be opened or closed is fixedly arranged at the gas inlet.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202223591782.XU CN219713344U (en) | 2022-12-28 | 2022-12-28 | Gas injection device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202223591782.XU CN219713344U (en) | 2022-12-28 | 2022-12-28 | Gas injection device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN219713344U true CN219713344U (en) | 2023-09-19 |
Family
ID=88002312
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202223591782.XU Active CN219713344U (en) | 2022-12-28 | 2022-12-28 | Gas injection device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN219713344U (en) |
-
2022
- 2022-12-28 CN CN202223591782.XU patent/CN219713344U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US11680749B2 (en) | Feeder device utilized in electric arc furnace, and flue gas and temperature control method | |
CN109487037B (en) | High-purity manganese 13 high-manganese steel | |
CN109678479B (en) | Ladle bottom argon blowing air brick for smelting high-purity high-manganese steel | |
CN110860553A (en) | Plasma synergistic resistance furnace fly ash treatment system and treatment method | |
CN219713344U (en) | Gas injection device | |
CN202630071U (en) | Rubbish magnetization cracking device | |
CN215856209U (en) | External combustion type scrap steel preheating shaft furnace | |
CN211938376U (en) | Fly ash treatment system of plasma synergistic resistance furnace | |
CN110449570B (en) | Baking method of submerged nozzle for ultra-low carbon steel | |
CN209584294U (en) | A kind of pure oxygen burning formula steel scrap apparatus for baking | |
CN209877669U (en) | Industrial flue gas waste heat recovery device | |
CN203725484U (en) | Harmless disposal system for aluminum electrolysis waste carbon residue | |
CN101164871B (en) | Improved cooling discharging Slapple activating furnace | |
CN202390508U (en) | Aluminum slag cooling system with gas protection | |
CN113652521A (en) | External combustion type scrap steel preheating shaft furnace and preheating method thereof | |
CN108662854B (en) | Method for heating alloy by using high-temperature flue gas of converter | |
CN201358052Y (en) | Solid hot material canning transport device | |
CN203083381U (en) | Feeding tower capable of recycling waste heat of aluminum alloy melting furnace | |
CN206160737U (en) | A but, automatic material copper stove bell of throwing of closed for continuous casting copper -aluminum composite material | |
CN217110529U (en) | Hot tail gas recycling device of lithium battery anode and cathode material processing kiln | |
CN220812507U (en) | Miniature inclusion removing device for LF-RH furnace | |
CN108895443B (en) | A kind of catalysis low nitrogen burning bell-type device and technique | |
CN114367658B (en) | Hollow iron powder fuel and preparation and use methods thereof | |
WO2001012866A1 (en) | Pyrometallurgy of zinc and closed furnace for zinc smelting | |
CN210636016U (en) | Steel scrap bucket for converter steelmaking |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |