CN221028509U - Energy-saving blast furnace - Google Patents
Energy-saving blast furnace Download PDFInfo
- Publication number
- CN221028509U CN221028509U CN202322692770.4U CN202322692770U CN221028509U CN 221028509 U CN221028509 U CN 221028509U CN 202322692770 U CN202322692770 U CN 202322692770U CN 221028509 U CN221028509 U CN 221028509U
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- CN
- China
- Prior art keywords
- rotating rod
- pipe
- return pipe
- blast furnace
- furnace body
- 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.)
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- 238000004140 cleaning Methods 0.000 claims abstract description 15
- 238000007790 scraping Methods 0.000 claims description 4
- 239000007789 gas Substances 0.000 description 19
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 14
- 238000002485 combustion reaction Methods 0.000 description 8
- 229910052742 iron Inorganic materials 0.000 description 7
- 238000001914 filtration Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The application provides an energy-saving blast furnace, which relates to the technical field of blast furnace ironmaking and comprises a furnace body, wherein the bottom of the furnace body is connected with an air inlet pipe, the side wall of the furnace body is communicated with a return pipe, the return pipe is respectively communicated with the upper end and the lower end of the furnace body, the return pipe is also extended and communicated with an extension pipe, the other end of the extension pipe is communicated with an exhaust fan, the other end of the exhaust fan is communicated with the return pipe, a first cleaning component is arranged in the return pipe, and a second cleaning component is arranged in the extension pipe.
Description
Technical Field
The application relates to the technical field of blast furnace ironmaking, in particular to an energy-saving blast furnace.
Background
A blast furnace is a metallurgical device, which is one of important devices in the modern metallurgical industry, for mass production of metals such as iron and steel.
The blast furnace works on the principle that coke, iron ore and fuel materials are piled up in the furnace and heated by gas or liquid fuel. At high temperature, the fuel reacts with the ore to produce a reducing gas, oxygen in the iron ore is removed, and the iron combines with the carbon to produce molten iron. The molten iron is collected and treated to obtain pure iron or steel.
A large amount of gas exists in the operation process of the blast furnace, but at present, the insufficient combustion of the gas can cause waste of raw materials and the discharge of the gas can increase the cost of waste gas filtration in the combustion process.
Disclosure of Invention
The embodiment of the application aims to provide an energy-saving blast furnace, which can solve the technical problem of full combustion of gas in the blast furnace.
The embodiment of the application provides an energy-saving blast furnace, which comprises a furnace body, wherein the bottom of the furnace body is connected with an air inlet pipe, the side wall of the furnace body is communicated with a return pipe, the return pipe is respectively communicated with the upper end and the lower end of the furnace body, the return pipe is also communicated with an extension pipe in an extending mode, the other end of the extension pipe is communicated with an exhaust fan, the other end of the exhaust fan is communicated with the return pipe, a first cleaning assembly is arranged in the return pipe, and a second cleaning assembly is arranged in the extension pipe.
Further, the first cleaning component is arranged at the vertical end of the return pipe, the first cleaning component comprises a first motor, a first rotating rod and a scraping plate, the first motor is fixedly arranged at the lower end of the return pipe, the first rotating rod is rotatably arranged at the lower end of the return pipe, the scraping plate is fixedly arranged on the first rotating rod, and the first motor drives the first rotating rod to rotate.
Further, the second cleaning assembly comprises a second motor, a second rotating rod and bristles, wherein the circumferences of the bristles are fixedly arranged on the second rotating rod, the second motor is fixed at the tail end of the extension tube, and the second motor drives the second rotating rod to rotate.
Further, the return pipe and the extension pipe are both provided with flow control valves.
Further, a discharge end of the return pipe is provided with an air deflector.
Further, the side wall of the furnace body is also communicated with a filter box for exhausting gas.
The utility model has the beneficial effects that:
According to the utility model, the return pipe, the extension pipe and the exhaust fan are communicated with the side wall of the furnace body, so that combustion gas in the furnace body can be effectively recycled, the sufficiency of gas combustion is ensured, the combustion efficiency of the furnace body is improved, the filtering cost of exhaust emission is reduced, the speed of returning the gas can be increased by arranging the exhaust fan, and the use efficiency of the gas is improved.
Through the setting of first clearance subassembly and second clearance subassembly, can effectually guarantee the gas circulation nature in back flow and the extension pipe, prevent to take place to block up in the pipeline and influence the efficiency of gas reflux.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
Fig. 2 is a schematic cross-sectional view of a return tube and an extension tube in accordance with an embodiment of the present utility model.
The reference numerals are respectively:
1. A furnace body; 11. an air inlet pipe; 12. a filter box; 2. a return pipe; 21. a first cleaning assembly; 211. a first motor; 212. a first rotating lever; 213. a scraper; 22. an air deflector; 3. an extension tube; 31. an exhaust fan; 32. a second cleaning assembly; 321. a second motor; 322. a second rotating lever; 323. brushing; 4. a flow control valve.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the application, as presented in the figures, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present application, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in use of the product of the application, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
The embodiment of the application discloses an energy-saving blast furnace.
Referring to fig. 1-2, an energy-saving blast furnace, including furnace body 1, furnace body 1 bottom is connected with intake pipe 11, furnace body 1's lateral wall intercommunication is provided with back flow pipe 2, back flow pipe 2 communicates with furnace body 1's upper and lower both ends respectively, back flow pipe 2's top still extends the intercommunication has extension pipe 3, extension pipe 3 other end intercommunication has air exhauster 31, air exhauster 31's the other end and back flow pipe 2 communicate, be provided with first clearance subassembly 21 in back flow pipe 2, be provided with second clearance subassembly 32 in extension pipe 3, during the use, the back flow pipe 2 of gas that produces in the furnace body 1 flows back to furnace body 1's bottom through the upper end, can open air exhauster 31 when the back flow rate of gas is slower accelerate back flow pipe 2's upper end suction efficiency, and accelerate the gas flow in the furnace body 1, the effectual combustion gas that carries out cyclic utilization in the furnace body 1, guarantee the sufficiency of gas combustion, improve furnace body 1's combustion efficiency, improve gas's availability factor, also reduce exhaust emission's filtration cost.
Referring to fig. 2, the first cleaning assembly 21 is disposed at a vertical end of the return pipe 2, the first cleaning assembly 21 includes a first motor 211, a first rotating rod 212 and a scraper 213, the first motor 211 is fixedly disposed at a lower end of the return pipe 2, the first rotating rod 212 is rotatably mounted at the lower end of the return pipe 2, the scraper 213 is fixedly disposed on the first rotating rod 212, the first motor 211 drives the first rotating rod 212 to rotate, and when in use, the first motor 211 drives the first rotating rod 212 to rotate, so that the scraper 213 is driven to rotate on an inner wall of the return pipe 2, dust particles adhered and accumulated on the inner wall of the return pipe 2 can be effectively scraped, the inner wall of the return pipe 2 is effectively cleaned by the reduction, and blockage is avoided.
Referring to fig. 2, the second cleaning assembly includes a second motor 321, a second rotating rod 322 and bristles 323, wherein the bristles 323 are circumferentially fixed on the second rotating rod 322, the second motor 321 is fixed at the tail end of the extension tube 3, the second motor 321 drives the second rotating rod 322 to rotate, when in use, the second motor 321 drives the second rotating rod 322 to rotate, the second rotating rod 322 drives the bristles 323 to clean in the extension tube 3 and the return tube 2, the upper ends of the extension tube 3 and the return tube 2 are effectively prevented from being blocked, and meanwhile, the bristles are not affected by the arrangement of the bristles in the pipeline.
Referring to fig. 2, the return pipe 2 and the extension pipe 3 are each provided with a flow control valve 4, and the flow characteristics of the return pipe 2 and the extension pipe 3 can be effectively controlled when in use.
Referring to fig. 2, the discharge end of the return pipe 2 is provided with an air deflector 22, and the arrangement of the air deflector 22 can concentrate the return air to the combustion place for spraying.
Referring to fig. 1, the side wall of the furnace body 1 is further provided with a filter box 12 for exhausting gas, and when in use, the filter box 12 can filter the exhausted gas, so that the environment is better protected.
The above is only a preferred embodiment of the present application, and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (6)
1. The utility model provides an energy-saving blast furnace, includes the furnace body, the furnace body bottom is connected with intake pipe, its characterized in that: the side wall intercommunication of furnace body is provided with the back flow, the back flow respectively with the upper and lower both ends intercommunication of furnace body, the back flow still extends the intercommunication and has the extension pipe, the extension pipe other end intercommunication has the air exhauster, the other end of air exhauster with the back flow intercommunication, be provided with first clearance subassembly in the back flow, be provided with the second clearance subassembly in the extension pipe.
2. The energy-saving blast furnace according to claim 1, wherein the first cleaning assembly is arranged at a vertical end of the return pipe, the first cleaning assembly comprises a first motor, a first rotating rod and a scraping plate, the first motor is fixedly arranged at the lower end of the return pipe, the first rotating rod is rotatably arranged at the lower end of the return pipe, the scraping plate is fixedly arranged on the first rotating rod, and the first motor drives the first rotating rod to rotate.
3. The energy-saving blast furnace according to claim 1, wherein the second cleaning assembly comprises a second motor, a second rotating rod and bristles, the bristles are circumferentially fixed on the second rotating rod, the second motor is fixed at the tail end of the extension tube, and the second motor drives the second rotating rod to rotate.
4. An energy efficient blast furnace according to claim 1, wherein the return pipe and the extension pipe are provided with flow control valves.
5. An energy efficient blast furnace according to claim 1, wherein the discharge end of the return pipe is provided with a deflector.
6. The energy-saving blast furnace according to claim 1, wherein the side wall of the furnace body is further provided with a filter box for gas discharge in a communicating manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322692770.4U CN221028509U (en) | 2023-10-08 | 2023-10-08 | Energy-saving blast furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322692770.4U CN221028509U (en) | 2023-10-08 | 2023-10-08 | Energy-saving blast furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221028509U true CN221028509U (en) | 2024-05-28 |
Family
ID=91134019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322692770.4U Active CN221028509U (en) | 2023-10-08 | 2023-10-08 | Energy-saving blast furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221028509U (en) |
-
2023
- 2023-10-08 CN CN202322692770.4U patent/CN221028509U/en active Active
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| GR01 | Patent grant |