CN220926832U - Smelting furnace capable of preventing steel plate from being blue and brittle - Google Patents
Smelting furnace capable of preventing steel plate from being blue and brittle Download PDFInfo
- Publication number
- CN220926832U CN220926832U CN202322964820.XU CN202322964820U CN220926832U CN 220926832 U CN220926832 U CN 220926832U CN 202322964820 U CN202322964820 U CN 202322964820U CN 220926832 U CN220926832 U CN 220926832U
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- China
- Prior art keywords
- smelting furnace
- slide rail
- push rod
- air inlet
- frame
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- 238000003723 Smelting Methods 0.000 title claims abstract description 46
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 34
- 239000010959 steel Substances 0.000 title claims abstract description 34
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 238000002955 isolation Methods 0.000 claims description 10
- 241001233242 Lontra Species 0.000 claims description 2
- 230000005389 magnetism Effects 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 13
- 239000001301 oxygen Substances 0.000 abstract description 13
- 229910052760 oxygen Inorganic materials 0.000 abstract description 13
- 239000002912 waste gas Substances 0.000 abstract description 8
- 239000012535 impurity Substances 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000000149 penetrating effect Effects 0.000 abstract description 4
- 239000007789 gas Substances 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 238000010981 drying operation Methods 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 5
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910000805 Pig iron Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052595 hematite Inorganic materials 0.000 description 1
- 239000011019 hematite Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 description 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Landscapes
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The utility model discloses a smelting furnace for preventing a steel plate from being blue and brittle, wherein a smelting furnace is clamped at the position of an output shaft of a swing motor corresponding to a fixed supporting frame, a closed sealing cover is clamped at the top end of a lifting hydraulic cylinder, a plurality of exhaust pipes are connected at the top end and the bottom end of a connecting limiting sleeve in an equidistant penetrating manner, a heat exchange frame is clamped between an air inlet pipe and the connecting limiting sleeve in a penetrating manner, an air inlet fan is arranged on the inner side of the air inlet pipe in an inserted manner, an exhaust fan is arranged on the inner side of the exhaust pipe, the air inlet fan is used for continuously supplying oxygen and exhausting waste at a high speed, heat exchange is carried out between waste gas and oxygen through the heat exchange frame, the occurrence of the condition that internal impurity gas returns to molten steel is reduced, meanwhile, the oxygen is heated, the occurrence of blue and brittle condition of a steel plate produced and formed due to excessive temperature reduction in the air inlet is avoided, the production quality is ensured, and the blue and brittle condition of the steel plate is avoided.
Description
Technical Field
The utility model relates to the technical field of steel smelting, in particular to a smelting furnace for preventing a steel plate from being blue-brittle.
Background
Smelting furnace refers to a smelting furnace for melting iron ore, such as hematite or magnetite, to produce pig iron, the furnace body is a high column structure with a refractory lining, the top is filled with selected ore, coke and solvent, the iron oxide is changed into metallic iron, the process uses carbon monoxide and hydrogen as reducing agents, and the blue friable refers to some steel products in the following stepsAnd the color blus and the brittleness increases.
However, in the prior art, when steel is smelted, the smelting temperature is changed greatly, and oxygen supply is insufficient, so that a large amount of impurities are contained in the steel, and the condition of large-area blue brittleness is caused, and meanwhile, when the steel is smelted, the exhaust speed of waste gas is too low, so that the impurities contained in the waste gas flow back into molten steel, and the quality of the steel is further influenced.
Disclosure of utility model
The utility model provides a smelting furnace for preventing a steel plate from being blue and brittle, which can effectively solve the problems that in the prior art, the smelting temperature is changed greatly, oxygen supply is insufficient, and a large amount of impurities are contained in steel, so that the condition of large-area blue and brittle is caused, and meanwhile, in the smelting process, the exhaust speed of waste gas is too low, and impurities contained in the waste gas flow back into molten steel, so that the quality of steel is further influenced.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the smelting furnace for preventing the steel plate from being blue and fragile comprises a fixed support frame, wherein a swing inlet and outlet assembly is arranged on one side of the fixed support frame, and comprises a swing motor, a smelting furnace, a fixed electromagnet, a linkage operation frame, a lifting hydraulic cylinder, a closed sealing cover, a lifting electric push rod, a connecting limiting sleeve, an exhaust pipe, an air inlet pipe, a heat exchange frame, an air inlet fan and an exhaust fan;
The swing motor is arranged at one end of the fixed support frame through the motor seat, the smelting furnace is clamped at the position of the output shaft of the swing motor corresponding to the fixed support frame, the side end of the smelting furnace is fixedly connected with a fixed electromagnet, the side end of the fixed electromagnet is magnetically connected with a linkage operation frame, the side end of the linkage operation frame is sleeved with a lifting hydraulic cylinder, the top end of the lifting hydraulic cylinder is clamped with a closed sealing cover, one end of the closed sealing cover is provided with a lifting electric push rod, the side end of the lifting electric push rod is sleeved with a connecting limiting sleeve, the top end and the bottom end of the connecting limiting sleeve are all equidistantly and penetratingly connected with a plurality of exhaust pipes, the middle part of the connecting limiting sleeve is connected with an air inlet pipe in a penetrating manner, a heat exchange frame is connected between the air inlet pipe and the connecting limiting sleeve in a penetrating manner, an air inlet fan is inserted and installed on the inner side of the air inlet pipe, and a discharge fan is installed on the inner side of the exhaust pipe.
Preferably, the linkage operation frame is slidably mounted at the side end of the fixed support frame, and the input ends of the swing motor, the smelting furnace, the fixed electromagnet, the lifting hydraulic cylinder, the lifting electric push rod, the air inlet fan and the air outlet fan are electrically connected with the output end of an external power supply.
Preferably, the air inlet pipe and the exhaust pipe are inserted and installed at the top end of the closed sealing cover, and the cross section of the connecting limiting sleeve is annular.
Preferably, a feeding component is arranged on one side of the fixed support frame and comprises a movable electric slide rail, a hot baking operation frame, an isolation screen plate, a feeding electric push rod, a feeding push plate, an exhaust fan, a closed electric slide rail and a closed limiting plate;
The fixed support frame top is installed and is moved electric slide rail, it dries by fire the operation frame to remove electric slide rail top through the slide rail seat installation, it is equipped with the isolation otter board to dry by fire the inboard bottom of operation frame, it installs the feeding electricity push rod to dry by fire operation frame one end, feeding electricity push rod one end joint has the feeding push pedal, a plurality of exhaust fan is installed to the equidistance of hot operation frame top, smelting stove side symmetry installs closed electric slide rail, two install closed limiting plate through the slide rail seat between the closed electric slide rail.
Preferably, the hot baking operation frame is slidably mounted at the top end of the fixed support frame, and the input ends of the movable electric slide rail, the feeding electric push rod, the exhaust fan and the closed electric slide rail are electrically connected with the output end of the external power supply.
Preferably, the feeding push plate is slidably mounted at the top end of the isolation screen plate, and the longitudinal section of the closed limiting plate is arc-shaped.
Compared with the prior art, the utility model has the beneficial effects that: the utility model has scientific and reasonable structure and safe and convenient use:
1. Be provided with swing business turn over subassembly, drive through lift electric putter and connect the stop collar, exhaust pipe and intake pipe insert the sealed lid side of closure, exhaust pipe and intake pipe insert the smelting furnace inboard this moment, utilize the fan exhaust fan of admitting air to last high-speed oxygen suppliment and exhaust, and carry out heat exchange between waste gas and the oxygen through the heat exchange frame, through last oxygen suppliment and last the exhaust of multiposition, reduce the condition emergence in the molten steel that inside impurity gas returned, simultaneously to oxygen heating, the inside cooling excessively leads to producing fashioned steel sheet and appears the condition emergence of blue crisp when avoiding admitting air, the quality of production has been guaranteed, thereby the blue crisp appearance of steel sheet is avoided.
2. The feeding assembly is arranged, the raw materials are dried by hot drying operation frame, the exhaust fan drives the internal airflow to flow, the hot airflow is utilized to continuously dry the raw materials, the dryness of the raw materials is ensured, the situation that the proportion and the structure of the iron and steel raw materials are changed due to rapid reduction of the internal temperature when the raw materials are put into a smelting furnace is avoided, meanwhile, the continuous feeding of the raw materials is ensured by the movable electric sliding rail, the feeding electric pushing rod and the feeding pushing plate, and the continuous and stable production is realized.
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 schematic perspective view of the present utility model;
FIG. 2 is a schematic view of the mounting structure of the swing access assembly of the present utility model;
FIG. 3 is a schematic view of the installation structure of the heat exchange frame of the present utility model;
FIG. 4 is a schematic view of the structure of the feed assembly of the present utility model;
reference numerals in the drawings: 1. fixing the supporting frame;
2. Swinging the access assembly; 201. a swing motor; 202. a smelting furnace; 203. fixing an electromagnet; 204. a linkage operation frame; 205. a lifting hydraulic cylinder; 206. closing the sealing cover; 207. lifting the electric push rod; 208. connecting a limit sleeve; 209. an exhaust pipe; 210. an air inlet pipe; 211. a heat exchange frame; 212. an air intake fan; 213. a discharge fan;
3. A feed assembly; 301. moving the electric slide rail; 302. a hot baking operation frame; 303. an isolation screen; 304. feeding an electric push rod; 305. a feed push plate; 306. an exhaust fan; 307. closing the electric slide rail; 308. and closing the limiting plate.
Detailed Description
The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.
Examples: as shown in fig. 1-4, the utility model provides a technical scheme, a smelting furnace for preventing a steel plate from being blurry, which comprises a fixed support frame 1, wherein one side of the fixed support frame 1 is provided with a swinging inlet and outlet assembly 2, and the swinging inlet and outlet assembly 2 comprises a swinging motor 201, a smelting furnace 202, a fixed electromagnet 203, a linkage operation frame 204, a lifting hydraulic cylinder 205, a closed sealing cover 206, a lifting electric push rod 207, a connecting limiting sleeve 208, an exhaust pipe 209, an air inlet pipe 210, a heat exchange frame 211, an air inlet fan 212 and an exhaust fan 213;
The swing motor 201 is installed to fixed support 1 one end through the motor cabinet, swing motor 201 output shaft corresponds fixed support 1 position department joint has smelting furnace 202, smelting furnace 202 side fixedly connected with fixed electromagnet 203, fixed electromagnet 203 side magnetism is inhaled and is connected with linkage operation frame 204, linkage operation frame 204 slidable mounting is in fixed support 1 side, make can effectual spacing support when swinging, linkage operation frame 204 side end cover has lift pneumatic cylinder 205, lift pneumatic cylinder 205 top joint has sealed lid 206 of closure, lift electric push rod 207 is installed to sealed lid 206 one end of closure, lift electric push rod 207 side has cup jointed and has been connected stop collar 208, connect stop collar 208 top and bottom all equidistant through-connection have a plurality of exhaust pipe 209, connect stop collar 208 middle part through-connection has intake pipe 210, intake pipe 210 and exhaust pipe 209 all insert and install in sealed lid 206 top of closure, the cross section of connecting stop collar 208 is annular, make the operation that can be stable during the exhaust, run through the joint between intake pipe 210 and the connection stop collar 208 has heat transfer frame 211, intake pipe 210 inboard inserts air inlet fan 212, the inboard is installed motor and is discharged 205, electric push rod 207 is installed to the lift electric push rod 207 side, connect electric push rod 207, electric push rod is connected with lift electric push rod 212, electric push rod's output of electric fan output of electric motor is connected with the fixed electric power supply of electric push rod of electric motor 202, electric push rod is discharged to the output of electric push rod of electric motor 203, and lift electric push rod is connected with the lift electric push rod 212.
A feeding component 3 is arranged on one side of the fixed support frame 1, and the feeding component 3 comprises a movable electric slide rail 301, a hot baking operation frame 302, an isolation screen 303, a feeding electric push rod 304, a feeding push plate 305, an exhaust fan 306, a closed electric slide rail 307 and a closed limiting plate 308;
The movable electric slide rail 301 is installed on the top end of the fixed support frame 1, the hot baking operation frame 302 is installed on the top end of the movable electric slide rail 301 through a slide rail seat, the hot baking operation frame 302 is installed on the top end of the fixed support frame 1 in a sliding mode, so that effective bearing and limiting plates 308 can be installed between the two closed electric slide rails 307 in a sliding mode, the isolation net plate 303 is installed at the bottom end of the inner side of the hot baking operation frame 302, the feeding electric push rod 304 is installed at one end of the hot baking operation frame 302, the feeding push plate 305 is clamped at one end of the feeding electric push rod 304, the feeding push plate 305 is installed at the top end of the isolation net plate 303 in a sliding mode, the raw materials can be stably operated during feeding, the raw materials are turned over, the drying effect is guaranteed, a plurality of exhaust fans 306 are installed at the top end of the hot baking operation frame 302 in an equidistant mode, the side ends of the smelting furnace 202 are symmetrically provided with the closed electric slide rails 307, the longitudinal sections of the closed limiting plates 308 are arc-shaped, the closed electric slide rails 301 can be stably attached during closing, and the feeding electric slide rails 304, the exhaust fans 306 and the input ends of the closed electric slide rails 307 are electrically connected with the output ends of an external power supply.
The working principle and the using flow of the utility model are as follows: when smelting iron and steel, the smelted raw materials are placed inside a hot drying operation frame 302, the raw materials are dried by hot drying operation frame 302, at the moment, the interior is pumped by an exhaust fan 306, at the moment, external air enters into the inner side of the hot drying operation frame 302 along the bottom end, so that hot air flow is formed to continuously dry the raw materials, the dryness of the raw materials is ensured, the situation that the proportion and the structure of the iron and steel raw materials are changed due to rapid reduction of the internal temperature when the raw materials are put into a smelting furnace 202 is avoided, meanwhile, a movable electric sliding rail 301 drives the hot drying operation frame 302 to move along a fixed supporting frame 1 and be attached to the position of the smelting furnace 202, a closed limiting plate 308 is driven by a closed electric sliding rail 307 to move along the smelting furnace 202, a feeding push plate 305 is driven by a feeding electric push rod 304 to be pushed into the inner side of the smelting furnace 202 along an isolation screen 303, continuous feeding is facilitated, and the stability of feeding is ensured;
After raw materials are put into, the smelting furnace 202 is fixed to the linkage operation frame 204 through fixed electromagnet 203 in a magnetic attraction mode, the lifting hydraulic cylinder 205 drives the closed sealing cover 206 to be attached to the top end of the smelting furnace 202, the swinging motor 201 drives the smelting furnace 202 and the lifting hydraulic cylinder 205 to swing back and forth, the lifting electric push rod 207 drives the connecting limiting sleeve 208, the exhaust pipe 209 and the air inlet pipe 210 to be inserted into the position of the closed sealing cover 206, at the moment, the exhaust pipe 209 and the air inlet pipe 210 are inserted into the inner side of the smelting furnace 202, at the moment, oxygen is injected into the inner side by utilizing the air inlet fan 212 and the air inlet pipe 210, meanwhile, the exhaust fan 213 and the exhaust pipe 209 discharge internal waste gas to the inner side of the connecting limiting sleeve 208, at the moment, heat in the waste gas is replaced to the oxygen position in the air inlet pipe 210 through continuous oxygen supply and continuous multi-position waste discharge, the condition that internal impurity gas returns to molten steel is reduced, and the condition that blue and crisp condition occurs due to excessive production forming of steel plate caused by internal cooling during air inlet is avoided through oxygen heating, and the production quality is ensured.
Finally, it should be noted that: the foregoing is merely a preferred example of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. Smelting furnace for preventing steel plate from being blue and brittle, which comprises a fixed supporting frame (1), and is characterized in that: a swing inlet and outlet assembly (2) is arranged on one side of the fixed support frame (1), and the swing inlet and outlet assembly (2) comprises a swing motor (201), a smelting furnace (202), a fixed electromagnet (203), a linkage operation frame (204), a lifting hydraulic cylinder (205), a closed sealing cover (206), a lifting electric push rod (207), a connection limiting sleeve (208), an exhaust pipe (209), an air inlet pipe (210), a heat exchange frame (211), an air inlet fan (212) and an exhaust fan (213);
Swing motor (201) is installed through the motor cabinet to fixed support frame (1) one end, swing motor (201) output shaft corresponds fixed support frame (1) position department joint has smelting furnace (202), fixed electro-magnet (203) of smelting furnace (202) side fixedly connected with, fixed electro-magnet (203) side magnetism is inhaled and is connected with linkage operation frame (204), linkage operation frame (204) side end joint has lift pneumatic cylinder (205), lift pneumatic cylinder (205) top joint has sealed lid (206) of closure, lift electric push rod (207) are installed to sealed lid (206) one end of closure, lift electric push rod (207) side end joint has connection stop collar (208), connection stop collar (208) top and equal equidistance through-connection of bottom have a plurality of exhaust pipe (209), connection stop collar (208) middle part through-connection has intake pipe (210), run through the joint has heat exchange frame (211) between intake pipe (210) and the connection stop collar (208), intake pipe (210) inboard insert and install inboard fan (212), exhaust fan (213) are installed to exhaust pipe (209).
2. The smelting furnace for preventing blue embrittlement of steel plates according to claim 1, wherein the linkage operation frame (204) is slidably mounted at a side end of the fixed support frame (1), and input ends of the swing motor (201), the smelting furnace (202), the fixed electromagnet (203), the lifting hydraulic cylinder (205), the lifting electric push rod (207), the air inlet fan (212) and the exhaust fan (213) are electrically connected with output ends of an external power supply.
3. Smelting furnace for preventing blue embrittlement of steel plates according to claim 1, characterized in that the air inlet pipe (210) and the exhaust pipe (209) are inserted and installed at the top end of the closed sealing cover (206), and the cross section of the connecting limiting sleeve (208) is annular.
4. Smelting furnace for preventing steel plate from being blunted according to claim 1, wherein a feeding component (3) is installed on one side of the fixed support frame (1), and the feeding component (3) comprises a movable electric slide rail (301), a hot baking operation frame (302), an isolation screen plate (303), a feeding electric push rod (304), a feeding push plate (305), an exhaust fan (306), a closed electric slide rail (307) and a closed limiting plate (308);
The utility model discloses a smelting furnace, including fixed support frame (1), sealed electric slide rail (301), sealed electric slide rail (307) are installed on fixed support frame (1) top, sealed electric slide rail (307) are installed through the slide rail seat on movable electric slide rail (301) top, sealed otter board (303) are installed to sealed electric slide rail (302) inboard bottom, sealed electric push rod (304) are installed to sealed electric slide rail (302) one end, sealed electric push rod (305) are installed to sealed electric push rod (304) one end joint, a plurality of exhaust fan (306) are installed to sealed electric slide rail (307) top equidistance, sealed limiting plate (308) are installed through the slide rail seat between sealed electric slide rail (307).
5. The smelting furnace for preventing blue embrittlement of steel plates according to claim 4, wherein the hot baking operation frame (302) is slidably mounted on the top end of the fixed support frame (1), and the input ends of the movable electric slide rail (301), the feeding electric push rod (304), the exhaust fan (306) and the closed electric slide rail (307) are electrically connected with the output end of an external power supply.
6. The smelting furnace for preventing blue embrittlement of steel plates according to claim 4, wherein the feeding push plate (305) is slidably mounted on the top end of the isolation net plate (303), and the longitudinal section of the closing limiting plate (308) is arc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322964820.XU CN220926832U (en) | 2023-11-03 | 2023-11-03 | Smelting furnace capable of preventing steel plate from being blue and brittle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322964820.XU CN220926832U (en) | 2023-11-03 | 2023-11-03 | Smelting furnace capable of preventing steel plate from being blue and brittle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220926832U true CN220926832U (en) | 2024-05-10 |
Family
ID=90941454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322964820.XU Active CN220926832U (en) | 2023-11-03 | 2023-11-03 | Smelting furnace capable of preventing steel plate from being blue and brittle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220926832U (en) |
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2023
- 2023-11-03 CN CN202322964820.XU patent/CN220926832U/en active Active
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