CN217844778U - Blast furnace ore groove material unfreezes and carries temperature device - Google Patents
Blast furnace ore groove material unfreezes and carries temperature device Download PDFInfo
- Publication number
- CN217844778U CN217844778U CN202221364845.5U CN202221364845U CN217844778U CN 217844778 U CN217844778 U CN 217844778U CN 202221364845 U CN202221364845 U CN 202221364845U CN 217844778 U CN217844778 U CN 217844778U
- Authority
- CN
- China
- Prior art keywords
- fan
- blast furnace
- collecting hood
- gas collecting
- butterfly valve
- 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
Images
Landscapes
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The utility model relates to a blast furnace ore tank material unfreezing and temperature raising device, which comprises a gas collecting hood, an electric butterfly valve, a corrugated pipe compensator, a fan, a hot air pipeline and a pneumatic butterfly valve, wherein the gas collecting hood is arranged on a steel structure frame of an annular cooler in a hanging mode; the inlet of the fan is connected with the gas collecting hood through a hot air pipeline, and an electric butterfly valve and a corrugated pipe compensator are arranged between the inlet of the fan and the gas collecting hood; the outlet of the fan is connected with a pneumatic butterfly valve through a hot air pipeline; the pneumatic butterfly valves are a plurality of, two are a set of, and the subtend sets up at the ore deposit groove conic section. The beneficial effects are as follows: the utility model discloses a device sends into blast furnace ore deposit inslot after the intermediate temperature waste gas that produces behind the cold machine of ring cooling sintered ore unfreezes or improves material temperature through the draught fan pressurization, has solved that the blast furnace goes into the stove former, the fuel easily freezes in winter and the temperature is low on the one side problem, and intermediate temperature waste gas obtains cyclic utilization, has improved furnace roof coal gas temperature, satisfies the stable production of blast furnace and increase of production's needs.
Description
Technical Field
The utility model relates to a metallurgical chemical industry technical field especially relates to a blast furnace ore deposit groove material unfreezes and carries temperature device.
Background
In northern areas of China, the time is long in winter, the air temperature is low, and the water content of raw materials and fuel of a blast furnace is large, so that materials are easy to freeze in an ore bin in a blast furnace ore tank in winter, the circulation of the materials is not smooth, and the normal production of the blast furnace is directly influenced. In addition, the lower temperature of raw materials and fuel is also the bottleneck of improving the yield of the blast furnace. The temperature of the raw materials and the fuel fed into the blast furnace is increased, the utilization coefficient of the blast furnace is increased, the temperature of the gas at the top of the blast furnace is increased, and the TRT power generation amount is increased. Therefore, in order to ensure the stable production of the blast furnace, increase the temperature of the top gas and increase the yield of the blast furnace, the problems of low temperature of the raw materials, and high water content of the fuel in the blast furnace need to be solved.
SUMMERY OF THE UTILITY MODEL
For overcoming the prior art defect, the utility model provides a technical problem provides a blast furnace ore deposit groove material unfreezes and carries warm device, send into the blast furnace ore deposit inslot after the draught fan pressurizes with the middle temperature waste gas that produces behind the cold machine cooling sintering deposit of cyclic annular and unfreeze or improve material temperature, solved the blast furnace and gone into the stove former, the fuel easily freezes in winter and the temperature problem on the low side, middle temperature waste gas obtains cyclic utilization, the furnace roof coal gas temperature has been improved, satisfy the stable production of blast furnace and increase of production's needs.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a blast furnace ore tank material unfreezing and temperature raising device comprises a gas collecting hood, an electric butterfly valve, a corrugated pipe compensator, a fan, a hot air pipeline and a pneumatic butterfly valve, and is characterized in that the gas collecting hood is arranged on a steel structure frame of a circular cooler in a hanging mode, and the joint part of the gas collecting hood and a trolley is sealed by a rubber plate; the inlet of the fan is connected with the gas collecting hood through a hot air pipeline, and an electric butterfly valve and a corrugated pipe compensator are arranged between the inlet of the fan and the gas collecting hood; the outlet of the fan is connected with a pneumatic butterfly valve through a hot air pipeline; the pneumatic butterfly valves are a plurality of, two are a set of, and the subtend sets up at the ore deposit groove conic section.
The fan is a centrifugal type double-suction single-air outlet fan, the air inlet and the air outlet are both provided with corrugated pipe expansion joints, and the inlet is provided with an electric adjusting baffle.
Furthermore, the hot air pipeline is provided with a sufficient amount of corrugated pipe expansion joints to absorb the thermal expansion of the hot air pipeline.
Compared with the prior art, the beneficial effects of the utility model are that:
1) The utility model presses the medium temperature waste gas generated after the ring cooling machine cools the sinter through the draught fan and then sends the waste gas into the blast furnace ore tank for unfreezing or improving the temperature of the material, thereby solving the problems that the blast furnace is easy to freeze and the temperature is low when entering the blast furnace;
2) The intermediate-temperature waste gas generated after the ring cooling machine cools the sinter is recycled, so that the energy is saved and the environment is protected;
3) The temperature of the raw materials and the fuel fed into the blast furnace is improved, so that the utilization coefficient of the blast furnace is improved, the temperature of the gas at the top of the blast furnace is improved, the TRT generated energy can be increased, and the requirements of stable production and yield improvement of the blast furnace are met.
Drawings
Fig. 1 is a schematic view of the structure principle of the present invention.
In the figure: 1-gas collecting hood 2-electric butterfly valve 3-bellows compensator 4-fan 5-hot air pipeline 6-pneumatic butterfly valve
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:
as shown in figure 1, the utility model relates to a blast furnace ore tank material unfreezing and temperature raising device, which comprises a gas collecting channel 1, an electric butterfly valve 2, a corrugated pipe compensator 3, a fan 4, a hot air pipeline 5 and a pneumatic butterfly valve 6, wherein the gas collecting channel 1 is arranged on a steel structure frame of an annular cooler in a hanging mode, and the joint part of the gas collecting channel 1 and a trolley is sealed by a rubber plate to prevent gas leakage; an inlet of the fan 4 is connected with the gas collecting hood 1 through a hot air pipeline 5, and an electric butterfly valve 2 and a corrugated pipe compensator 3 are arranged between the inlet and the gas collecting hood to absorb the thermal expansion of the hot air pipeline 5; the outlet of the fan 4 is connected with a pneumatic butterfly valve 6 through a hot air pipeline 5; the pneumatic butterfly valves 6 are a plurality of (so as to switch the preheating sequence of the ore tank), and are arranged in a group of two in the conical section of the ore tank in an opposite mode.
The fan 4 is a centrifugal type double-suction single-air outlet fan, the air inlet and the air outlet are both provided with corrugated pipe expansion joints 3 (for absorbing the thermal expansion of a hot air pipeline 5), and an electric adjusting baffle is arranged at the inlet to adjust the amount of hot air sucked by the fan 4.
Furthermore, the hot air duct 5 is provided with a sufficient amount of bellows expansion joints 3 to absorb the thermal expansion of the hot air duct 5.
When the gas collecting hood works, the electric butterfly valve 2 is opened, medium-temperature flue gas generated after the gas collecting hood 1 collects about 250 ℃ circular cooler to cool sintered ore is sent into the fan 4 through the hot air pipeline 5, is pressurized through the fan 4 and then is sent into a blast furnace ore groove area, oppositely enters an ore groove conical section through the two pneumatic butterfly valves 6 in a group, after descending materials and ascending hot flue gas exchange heat, the materials are heated and moisture is removed, next procedure is carried out, and low-temperature flue gas after heat exchange is discharged to the outside through a pipeline at the top of the blast furnace ore groove.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (2)
1. A blast furnace ore tank material unfreezing and temperature raising device comprises a gas collecting hood, an electric butterfly valve, a corrugated pipe compensator, a fan, a hot air pipeline and a pneumatic butterfly valve, and is characterized in that the gas collecting hood is arranged on a steel structure frame of a circular cooler in a hanging mode, and the joint part of the gas collecting hood and a trolley is sealed by a rubber plate; the inlet of the fan is connected with the gas collecting hood through a hot air pipeline, and an electric butterfly valve and a corrugated pipe compensator are arranged between the inlet of the fan and the gas collecting hood; the outlet of the fan is connected with a pneumatic butterfly valve through a hot air pipeline; the pneumatic butterfly valves are a plurality of, two are a set of, and the subtend sets up at the ore deposit groove conic section.
2. The blast furnace ore tank material unfreezing and temperature raising device as claimed in claim 1, wherein the fan is a centrifugal type double-suction single-air outlet fan, the air inlet and the air outlet are both provided with corrugated pipe expansion joints, and the inlet is provided with an electric adjusting baffle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221364845.5U CN217844778U (en) | 2022-06-02 | 2022-06-02 | Blast furnace ore groove material unfreezes and carries temperature device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221364845.5U CN217844778U (en) | 2022-06-02 | 2022-06-02 | Blast furnace ore groove material unfreezes and carries temperature device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217844778U true CN217844778U (en) | 2022-11-18 |
Family
ID=84021997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221364845.5U Active CN217844778U (en) | 2022-06-02 | 2022-06-02 | Blast furnace ore groove material unfreezes and carries temperature device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217844778U (en) |
-
2022
- 2022-06-02 CN CN202221364845.5U patent/CN217844778U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204730682U (en) | A kind of sintering circular-cooler waste heat recovery cigarette wind apparatus | |
| CN108680040B (en) | System and method for efficiently distributing and utilizing sensible heat of sinter | |
| CN217844778U (en) | Blast furnace ore groove material unfreezes and carries temperature device | |
| CN206378011U (en) | A kind of energy-efficient carbon black reacting furnace waste heat recovery and refrigerating plant | |
| CN201401197Y (en) | Novel steam condensing system for heating heat-supply hot water by dead steam heat of steam turbine | |
| CN101566079A (en) | Condensing system for heating heat-supply hot water with heat of waste steam from steam turbine | |
| CN201266021Y (en) | Roller kiln quench zone exhaust heat utilization apparatus | |
| CN104515402B (en) | A kind of residual-heat utilization method of sintering system and device | |
| CN201129936Y (en) | Solid body material heat-exchanging device | |
| CN1055390A (en) | Raw gas temperature control novel process and device before the bf bag filter | |
| CN212237689U (en) | Environment-friendly drying system for mill | |
| CN108467913A (en) | A kind of ultra-large volume coal base upright furnace producing direct reduced iron | |
| CN210801687U (en) | Low-temperature flue gas waste heat is used for heating refrigeration integration system | |
| CN110017694B (en) | Kiln waste heat cascade utilization device and method | |
| CN202157087U (en) | High-efficiency electric furnace steel making system | |
| CN202329231U (en) | Energy-saving inclined-bottom heating furnace | |
| CN219200040U (en) | Low-temperature cooling waste gas recycling device of annular cooler | |
| CN107120993B (en) | A kind of radial pattern multi-airway formula tedge absorbing and cooling temperature device | |
| CN215295846U (en) | Sintered ore sensible heat recovery device and special sintered ore cooling furnace | |
| CN111589568A (en) | Environment-friendly drying system for mill | |
| CN201535626U (en) | Large gas hood for rigid slideway updraft sintering machine | |
| CN211854071U (en) | Blast furnace gas cooling and hot-blast furnace waste gas heating system | |
| CN211060672U (en) | Built-in multi-tube cooling machine | |
| CN221198047U (en) | Energy-saving furnace cover system of submerged arc furnace | |
| CN221403932U (en) | Energy-saving and environment-friendly efficient sintering ore step-by-step cooling and waste heat recovery device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |