CN221005988U - Cooling device for raw gas of ferroalloy electric furnace - Google Patents
Cooling device for raw gas of ferroalloy electric furnace Download PDFInfo
- Publication number
- CN221005988U CN221005988U CN202322590366.6U CN202322590366U CN221005988U CN 221005988 U CN221005988 U CN 221005988U CN 202322590366 U CN202322590366 U CN 202322590366U CN 221005988 U CN221005988 U CN 221005988U
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- wall
- electric furnace
- fixedly connected
- ash discharge
- water tank
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- 229910001021 Ferroalloy Inorganic materials 0.000 title claims abstract description 47
- 238000001816 cooling Methods 0.000 title claims abstract description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 72
- 238000010521 absorption reaction Methods 0.000 claims description 25
- 229910000640 Fe alloy Inorganic materials 0.000 claims description 9
- 230000017525 heat dissipation Effects 0.000 claims description 7
- 239000000428 dust Substances 0.000 abstract description 16
- 239000007789 gas Substances 0.000 description 23
- 239000002826 coolant Substances 0.000 description 19
- 239000007788 liquid Substances 0.000 description 19
- 230000000694 effects Effects 0.000 description 11
- 239000012528 membrane Substances 0.000 description 7
- 238000007790 scraping Methods 0.000 description 7
- 238000000605 extraction Methods 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 230000008021 deposition Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 239000002918 waste heat Substances 0.000 description 4
- 239000000571 coke Substances 0.000 description 3
- 238000004939 coking Methods 0.000 description 3
- 239000000110 cooling liquid Substances 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 238000002386 leaching Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000011027 product recovery Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The utility model relates to the technical field of ferroalloy electric furnaces, and discloses a cooling device for raw gas of a ferroalloy electric furnace, which comprises a ferroalloy electric furnace body, wherein a conical ash discharge funnel is fixedly connected to the bottom of the ferroalloy electric furnace body, an anti-blocking assembly is arranged on the inner wall of the conical ash discharge funnel, accumulated ash is conveniently discharged through arranging the conical ash discharge funnel, a scraper is driven to rotate through arranging a sliding ring to rotate, dust on the inner wall of the conical ash discharge funnel is hung and coarsely cleaned through the scraper to avoid blockage of the conical ash discharge funnel, and a push rod is arranged to conveniently rotate the sliding ring to drive the scraper to clean.
Description
Technical Field
The utility model relates to the technical field of ferroalloy electric furnaces, in particular to a cooling device for raw gas of a ferroalloy electric furnace.
Background
Iron alloy is one of the essential important raw materials in the iron and steel industry and the mechanical casting industry, the main production method of the iron alloy is an electric furnace method, a large amount of energy is consumed in the production process, and a large amount of electric furnace raw gas is generated in the smelting process, wherein the carbon monoxide content of the electric furnace raw gas is 30% -70%, the temperature is up to 400-800 ℃, and the dust content is about 100g/Nm3. In order to create conditions for conveying, deep purifying and chemical product recovery of the raw gas of the electric furnace, the raw gas of the electric furnace is usually required to be initially cooled to below 200 ℃.
At present, the raw gas cooling of the electric furnace in China generally adopts water leaching, a water jacket, a multi-pipe air cooler or a heat pipe waste heat boiler, the water leaching, the water jacket and the multi-pipe air cooler can not effectively utilize the waste heat of the raw gas although the temperature of the raw gas is reduced, and the heat pipe waste heat boiler can not normally operate due to serious dust accumulation and coking although the waste heat is utilized.
Prior art publication No.: CN202747820U, which provides a technical scheme: a cooling device suitable for raw gas of a ferroalloy electric furnace comprises an inner ring membrane type water-cooled wall and an outer ring membrane type water-cooled wall encircling the periphery of the inner ring membrane type water-cooled wall, wherein a radiation cooling chamber is defined by the inner ring membrane type water-cooled wall, and an interlayer defined between the two rings of membrane type water-cooled walls is used for continuously cooling the raw gas after cooling and dedusting through the radiation cooling chamber. The high-temperature dust-containing raw gas enters a radiation cooling chamber from top to bottom, and is gradually cooled to be below the bonding temperature of smoke dust through radiation heat transfer of a membrane water cooling wall, so that the smoke dust becomes solid dust particles. The bottom of the inner ring membrane type water-cooled wall is an enlarged horn mouth, gaps are reserved between the pipes, when raw gas reaches the gaps, the raw gas turns to pass through the water-cooled wall from the gaps, flows into an annular raw gas interlayer surrounded by the two rings of water-cooled walls, rises to continue cooling, achieves the separation of smoke particles and air flow, achieves the effect of preventing dust accumulation and coking, creates favorable conditions for conveying and deeply purifying the raw gas, and prolongs the service life of the device.
However:
This scheme is through setting up conical ash bucket and is discharged ash, avoids because of the serious unable normal operating problem of deposition coking, and though the inclined plane of conical funnel is difficult to adhere to the dust, has the dust discharge mouth to narrow, still can appear the condition that the dust discharge mouth blockked up for a long time use.
Disclosure of utility model
(One) solving the technical problems
Aiming at the defects of the prior art, the utility model provides a cooling device for raw gas of a ferroalloy electric furnace.
(II) technical scheme
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a cooling device of ferroalloy electric stove raw coke oven gas, includes ferroalloy electric stove body, ferroalloy electric stove body bottom fixedly connected with toper ash discharge funnel, the inner wall of toper ash discharge funnel is provided with anti-blocking assembly, anti-blocking assembly is including the sliding ring, sliding ring sliding connection is in the bottom of toper ash discharge funnel, the top fixedly connected with scraper blade of sliding ring, the inner wall sliding connection of scraper blade and toper ash discharge funnel, ferroalloy electric stove body outer wall is close bottom all around the position fixedly connected with supporting leg respectively, through setting up toper ash discharge funnel, conveniently discharges deposition, rotates through setting up the sliding ring and drives the scraper blade rotation, hangs thick clearance through the dust of scraper blade with toper ash discharge funnel inner wall and avoids toper ash discharge funnel to block up.
Preferably, the annular groove is formed in the outer wall of the conical ash discharge funnel, the annular slide block is fixedly connected to the outer wall of the sliding ring and is in sliding connection with the inner wall of the annular groove, and the annular slide block is arranged to perform relative limiting in a sliding mode of the inner wall of the annular groove, so that stability of scraping plates in cleaning and moving is guaranteed.
Preferably, the outer wall fixedly connected with of sliding ring is three push rods, and three push rods are one hundred twenty degrees evenly distributed, through setting up the push rod in order to make things convenient for the atress to rotate the sliding ring and drive the scraper blade and clean.
Preferably, the back of ferroalloy electric stove body is provided with heat dissipation mechanism, heat dissipation mechanism is including the heat absorption water pipe, heat absorption water pipe fixed connection is at the outer wall of ferroalloy electric stove body, the heat absorption water pipe is the heliciform and winds the outer wall of establishing at ferroalloy electric stove body, absorbs the heat of ferroalloy electric stove body through setting up the heat pipe and cools down the cooling, can increase area of contact through the heliciform mode of winding the outer wall of establishing at ferroalloy electric stove body and promote the efficiency of heat transfer, promotes the cooling effect.
Preferably, the heat dissipation mechanism comprises a water tank, the water tank sets up the back at the ferroalloy electric stove body, the top of water tank is fixedly connected with connecting pipe respectively, and wherein connecting pipe and the outlet pipe fixed connection of the water pump of water tank inner wall, two the connecting pipe communicates with the both ends of heat absorption water pipe respectively, through the coolant liquid that starts in the water pump extraction water tank through the connecting pipe from the heat absorption water pipe process in order to conveniently absorb the heat of heat absorption water pipe and take away through the coolant liquid that flows through, avoid heat absorption water pipe high temperature to lead to heat absorption water pipe heat absorption efficiency decline to influence the cooling effect.
Preferably, the water tank outer wall back is close to the position fixedly connected with inlet tube at top, the water tank outer wall back is close to the position fixedly connected with drain pipe at bottom, the position fixedly connected with thermometer of water tank back outer wall, through setting up the temperature of thermometer convenient observation coolant liquid in order to make things convenient for in time more coolant liquid to avoid the coolant liquid high temperature to influence radiating efficiency.
(III) beneficial effects
Compared with the prior art, the utility model provides a cooling device for raw gas of a ferroalloy electric furnace, which has the following beneficial effects:
1. This cooling device of iron alloy electric stove raw coke oven gas conveniently discharges deposition through setting up toper ash discharge funnel, rotates through setting up the sliding ring and drives the scraper blade rotation, hangs thick clearance with the dust of toper ash discharge funnel inner wall through the scraper blade and avoids toper ash discharge funnel to block up, rotates the sliding ring through setting up the push rod with convenient atress and drives the scraper blade and clean.
2. This cooling device of iron alloy electric stove raw coke oven gas absorbs the heat of iron alloy electric stove body through setting up the heat pipe and cools down the cooling to it, can increase area of contact and promote the efficiency of heat transfer through the mode of spiral around establishing the outer wall at iron alloy electric stove body, promote cooling effect, through the coolant liquid that starts in the water pump extraction water tank through the connecting pipe from the heat pipe through in order to make things convenient for the coolant liquid absorption heat pipe that flows through and take away, avoid heat pipe temperature too high to lead to heat pipe heat absorption efficiency decline, thereby influence cooling effect, through setting up the temperature of thermometer convenience observation coolant liquid and in time more the coolant liquid avoid the coolant liquid high temperature to influence radiating efficiency.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a front view of the present utility model;
FIG. 2 is a rear view of the present utility model;
FIG. 3 is a partial cross-sectional view of the cone-shaped ash discharge hopper of this utility model.
In the figure: 1. a ferroalloy electric furnace body; 11. support legs; 2. a conical ash discharge funnel; 3. an anti-blocking assembly; 31. a slip ring; 32. a scraper; 33. an annular groove; 34. an annular slide block; 35. a push rod; 4. a heat dissipation mechanism; 41. a heat absorbing water pipe; 42. a water tank; 43. a connecting pipe; 44. a drain pipe; 45. a water inlet pipe; 46. a thermometer.
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.
Example 1
As shown in fig. 1-3, the utility model provides a cooling device for raw gas of a ferroalloy electric furnace, which comprises a ferroalloy electric furnace body 1, wherein a conical ash discharge funnel 2 is fixedly connected to the bottom of the ferroalloy electric furnace body 1, an anti-blocking component 3 is arranged on the inner wall of the conical ash discharge funnel 2, the anti-blocking component 3 comprises a sliding ring 31, the sliding ring 31 is slidably connected to the bottom of the conical ash discharge funnel 2, a scraping plate 32 is fixedly connected to the top of the sliding ring 31, the scraping plate 32 is slidably connected to the inner wall of the conical ash discharge funnel 2, supporting legs 11 are fixedly connected to the positions, close to the periphery of the bottom, of the outer wall of the ferroalloy electric furnace body 1 respectively, the conical ash discharge funnel 2 is arranged to facilitate the discharge of accumulated ash, the scraping plate 32 is driven to rotate by arranging the sliding ring 31, dust on the inner wall of the conical ash discharge funnel 2 is suspended and cleaned by the scraping plate 32 to avoid the blockage of the conical ash discharge funnel 2, an annular groove 33 is arranged on the outer wall of the conical ash discharge funnel 2, an annular sliding block 34 is fixedly connected to the outer wall of the sliding ring 31, the annular sliding block 34 is slidably connected to the inner wall of the annular sliding block 34, the annular sliding block 34 is relatively limited in the inner wall 33 sliding mode, stability of the sliding groove 33 is ensured, the sliding stability of the scraping plate 32 is convenient to clean the outer wall is uniformly arranged, and three scraping rods 35 are uniformly arranged by the sliding rods 35, and the pushing rods 35 are driven by the pushing rods 35.
In this embodiment, through setting up toper ash discharge funnel 2, conveniently discharge the deposition, rotate through setting up sliding ring 31 and drive scraper blade 32 rotation, hang coarse clearance with the dust of toper ash discharge funnel 2 inner wall through scraper blade 32 and avoid toper ash discharge funnel 2 to block up, rotate sliding ring 31 and drive scraper blade 32 through setting up push rod 35 with the convenient atress and clean.
Example 2
As shown in fig. 1-3, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the back of ferroalloy electric stove body 1 is provided with cooling mechanism 4, cooling mechanism 4 is including heat absorption water pipe 41, heat absorption water pipe 41 fixed connection is at the outer wall of ferroalloy electric stove body 1, heat absorption water pipe 41 is the heliciform around establishing the outer wall at ferroalloy electric stove body 1, through setting up the heat of heat absorption water pipe 41 absorption ferroalloy electric stove body 1 and cooling down it, can increase area of contact promotion heat transfer's efficiency through the heliciform mode of winding the outer wall of the ferroalloy electric stove body 1, promote the cooling effect, cooling mechanism 4 is including water tank 42, water tank 42 sets up the back at ferroalloy electric stove body 1, the top of water tank 42 is fixedly connected with connecting pipe 43 respectively, and wherein the outlet pipe fixed connection of the water pump of connecting pipe 43 and water tank 42 inner wall, two connecting pipes 43 communicate with the both ends of heat absorption water pipe 41 respectively, absorb the heat and avoid the water pipe 41 efficiency decline through the cooling liquid absorption water pipe 41 that makes things convenient for through the flow through the cooling liquid absorption water pipe 41 of start-up water pump extraction water tank 42, thereby influence cooling effect, water pipe 41 temperature is high temperature is avoided, water tank 41 temperature is too high, water tank 42 is close to the top of water tank 42, the top is close to the water tank 42 is close to the fixed connection temperature meter is more convenient for the back temperature gauge is connected with the cooling water tank 46, the back is more convenient for the cooling down temperature meter is connected with the cooling water tank 46, and is close to the back temperature meter is more convenient to the cooling down.
In this embodiment, absorb the heat of ferroalloy electric stove body 1 through setting up endothermic water pipe 41 and cool down it, can increase area of contact through the mode of spiral around establishing the outer wall at ferroalloy electric stove body 1 and promote the efficiency of heat transfer, promote cooling effect, through the coolant liquid that starts in the water pump extraction water tank 42 through connecting pipe 43 from endothermic water pipe 41 through in order to conveniently absorb the heat of endothermic water pipe 41 and take away through the coolant liquid that flows through, avoid endothermic water pipe 41 high temperature to lead to endothermic water pipe 41 heat absorption efficiency to descend, thereby influence the cooling effect, through setting up thermometer 46 the temperature of conveniently observing the coolant liquid in order to make things convenient for in time more the coolant liquid and avoid the coolant liquid high temperature to influence radiating efficiency.
The working principle of the cooling device for the raw gas of the ferroalloy electric furnace is specifically described below.
As shown in fig. 1-3, when in use, through setting up the toper ash discharge funnel 2, conveniently discharge deposited ash, rotate through setting up the sliding ring 31 and drive scraper blade 32 rotation, hang coarse clearance with the dust of toper ash discharge funnel 2 inner wall through scraper blade 32 and avoid toper ash discharge funnel 2 to block up, drive scraper blade 32 through setting up push rod 35 with convenient atress rotation sliding ring 31 and clean, absorb ferroalloy electric stove body 1's heat and cool down it through setting up the heat pipe 41, can increase area of contact promotion heat transfer's efficiency through the mode of spirally around establishing at ferroalloy electric stove body 1's outer wall, promote cooling effect, through the cooling liquid that starts in the pump extraction water tank 42 through connecting pipe 43 from the heat pipe 41 process in order to conveniently absorb the heat of heat pipe 41 through the coolant liquid that flows through and take away, avoid the high temperature of heat pipe 41 to lead to the heat absorption efficiency decline of heat pipe 41, thereby influence the cooling effect, the temperature of conveniently observing the coolant liquid through setting up thermometer 46 and convenient timely more coolant liquid avoid the coolant liquid temperature to be too high to influence radiating efficiency.
Claims (6)
1. The cooling device for the raw gas of the ferroalloy electric furnace comprises a ferroalloy electric furnace body (1), and is characterized in that: the iron alloy electric furnace body (1) bottom fixedly connected with toper ash discharge funnel (2), the inner wall of toper ash discharge funnel (2) is provided with prevents stifled subassembly (3), prevent stifled subassembly (3) including sliding ring (31), sliding ring (31) sliding connection is in the bottom of toper ash discharge funnel (2), the top fixedly connected with scraper blade (32) of sliding ring (31), scraper blade (32) and the inner wall sliding connection of toper ash discharge funnel (2), the position that iron alloy electric furnace body (1) outer wall is close bottom all around is fixedly connected with supporting leg (11) respectively.
2. The cooling device for raw gas of a ferroalloy electric furnace according to claim 1, wherein: an annular groove (33) is formed in the outer wall of the conical ash discharge funnel (2), an annular sliding block (34) is fixedly connected to the outer wall of the sliding ring (31), and the annular sliding block (34) is slidably connected with the inner wall of the annular groove (33).
3. The cooling device for raw gas of a ferroalloy electric furnace according to claim 1, wherein: the outer wall of the slip ring (31) is fixedly connected with three push rods (35), and the three push rods (35) are uniformly distributed at one hundred twenty degrees.
4. The cooling device for raw gas of a ferroalloy electric furnace according to claim 1, wherein: the back of ferroalloy electric stove body (1) is provided with heat dissipation mechanism (4), heat dissipation mechanism (4) are including heat absorption water pipe (41), heat absorption water pipe (41) fixed connection is at the outer wall of ferroalloy electric stove body (1), heat absorption water pipe (41) are the heliciform around establishing at the outer wall of ferroalloy electric stove body (1).
5. The cooling device for raw gas of a ferroalloy electric furnace according to claim 4, wherein: the heat dissipation mechanism (4) comprises a water tank (42), the water tank (42) is arranged on the back of the iron alloy electric furnace body (1), a connecting pipe (43) is fixedly connected to the top of the water tank (42) respectively, the connecting pipe (43) is fixedly connected with a water outlet pipe of a water pump on the inner wall of the water tank (42), and the two connecting pipes (43) are respectively communicated with two ends of the heat absorption water pipe (41).
6. The cooling device for raw gas of a ferroalloy electric furnace according to claim 5, wherein: the water tank is characterized in that a water inlet pipe (45) is fixedly connected to the back of the outer wall of the water tank (42) close to the top, a water outlet pipe (44) is fixedly connected to the back of the outer wall of the water tank (42) close to the bottom, and a thermometer (46) is fixedly connected to the back of the outer wall of the water tank (42).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322590366.6U CN221005988U (en) | 2023-09-24 | 2023-09-24 | Cooling device for raw gas of ferroalloy electric furnace |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322590366.6U CN221005988U (en) | 2023-09-24 | 2023-09-24 | Cooling device for raw gas of ferroalloy electric furnace |
Publications (1)
Publication Number | Publication Date |
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CN221005988U true CN221005988U (en) | 2024-05-24 |
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ID=91112940
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202322590366.6U Active CN221005988U (en) | 2023-09-24 | 2023-09-24 | Cooling device for raw gas of ferroalloy electric furnace |
Country Status (1)
Country | Link |
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CN (1) | CN221005988U (en) |
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2023
- 2023-09-24 CN CN202322590366.6U patent/CN221005988U/en active Active
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