CN114395659A - Full-automatic batching system that adds of electric stove - Google Patents
Full-automatic batching system that adds of electric stove Download PDFInfo
- Publication number
- CN114395659A CN114395659A CN202210124775.4A CN202210124775A CN114395659A CN 114395659 A CN114395659 A CN 114395659A CN 202210124775 A CN202210124775 A CN 202210124775A CN 114395659 A CN114395659 A CN 114395659A
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- Prior art keywords
- batching
- full
- furnace
- proportioning
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 46
- 239000000463 material Substances 0.000 claims abstract description 45
- 229910052742 iron Inorganic materials 0.000 claims abstract description 23
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 20
- 239000000956 alloy Substances 0.000 claims abstract description 20
- 238000001228 spectrum Methods 0.000 claims abstract description 12
- 239000000126 substance Substances 0.000 claims abstract description 7
- 238000005303 weighing Methods 0.000 claims abstract description 6
- 229910000604 Ferrochrome Inorganic materials 0.000 claims abstract description 5
- 229910000616 Ferromanganese Inorganic materials 0.000 claims abstract description 5
- 229910000519 Ferrosilicon Inorganic materials 0.000 claims abstract description 5
- DALUDRGQOYMVLD-UHFFFAOYSA-N iron manganese Chemical compound [Mn].[Fe] DALUDRGQOYMVLD-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract description 5
- 238000011144 upstream manufacturing Methods 0.000 claims description 16
- 238000007599 discharging Methods 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 7
- 238000010183 spectrum analysis Methods 0.000 claims description 6
- 229910000617 Mangalloy Inorganic materials 0.000 claims description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 3
- 239000002054 inoculum Substances 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 229910052748 manganese Inorganic materials 0.000 claims description 3
- 239000011572 manganese Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 238000004458 analytical method Methods 0.000 claims description 2
- 229910052683 pyrite Inorganic materials 0.000 claims 1
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 claims 1
- 239000011028 pyrite Substances 0.000 claims 1
- 238000003860 storage Methods 0.000 abstract description 6
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 241001313207 Gonepteryx rhamni Species 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/52—Manufacture of steel in electric furnaces
- C21C5/527—Charging of the electric furnace
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Furnace Charging Or Discharging (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Abstract
The invention discloses a full-automatic charging and proportioning system of an electric furnace, which comprises an automatic iron proportioning device, a furnace auxiliary material alloy proportioning device and a furnace front precise proportioning device, wherein the furnace front precise proportioning device comprises a spectrum analyzer and a proportioning conveying device; the spectrum analyzer analyzes chemical components of molten iron, and materials added into the electric furnace by the stokehole fine matching device are one or more of silicon carbide, ferrosilicon, ferromanganese, ferrosulfur, carburant and ferrochrome; the computer system automatically compares and calculates the weight of the alloy needing to be increased according to the signal of the spectrum analyzer, the batching and conveying device comprises storage bins corresponding to various materials one by one, and weighing hoppers are installed at discharge holes of the storage bins. After the material is mixed, the mixed materials are respectively gathered into a tray or a flow pipe and added into the ladle, so that the accuracy and the efficiency of the precise mixing in front of the furnace are effectively improved.
Description
Technical Field
The invention relates to a full-automatic charging and batching system for an electric furnace.
Background
Electric furnace smelting is an important steelmaking method, and the replacement of cupola furnaces with large energy consumption and large dust and smoke emission concentration by electric furnace melting equipment is established in the market of the casting industry at present. The electric furnace is not only favorable for adjusting the temperature and the ingredient, but also can reduce the environmental pollution, the electric furnace is still greatly charged, weighed and charged by manpower at present, and the current lagging situation needs to be improved through an automatic control system urgently. So as to solve the problems of serious pollution, low production efficiency, high cost, low molten iron qualification rate and the like existing at present.
Disclosure of Invention
In order to make up for the defects, the invention provides the full-automatic charging and batching system for the electric furnace, which can effectively improve the production efficiency, improve the charging precision and ensure the product quality.
The technical scheme of the invention is as follows: the utility model provides a full-automatic feed proportioning system that adds of electric stove, includes that automatic batching iron material device, furnace back auxiliary material alloy dosing unit and stokehold are joined in marriage the device, the stokehold is joined in marriage the device and is included spectral analysis appearance and batching conveyor, spectral analysis appearance analysis molten iron chemical composition, stokehold is joined in marriage the material that the device added in to the electric stove and is one or several kinds in carborundum, ferrosilicon, ferromanganese, brimstone, carburant, the ferrochrome.
As a preferred technical scheme, the material added into the electric furnace by the stokehold precise matching device also comprises tin.
As a preferable technical scheme, the spectrum analyzer analyzes the contents of C, Si, Mn, S, P, Cu and Cr elements in the molten iron.
As a preferable technical scheme, the material added into the electric furnace by the stokehole fine matching device comprises an inoculant.
As the preferred technical scheme, the batching and conveying device comprises bins corresponding to various materials one by one, and weighing hoppers are installed at discharge holes of the bins.
As preferred technical scheme, automatic join in marriage indisputable material device and include vibration charging car and batching electromagnetic disk, the electromagnetic disk is including battery power supply system, the batching electromagnetic disk is installed on the driving a vehicle, the driving a vehicle carries the iron charge to the vibration charging car on.
As an optimized technical scheme, the vibration charging car comprises a groove body, wherein a wear-resistant manganese steel lining plate is detachably mounted on the inner wall of the groove body.
As a preferable technical scheme, the groove body comprises an inner layer and an outer layer, and sound-absorbing rubber is arranged between the inner layer and the outer layer.
As the preferred technical scheme, the furnace auxiliary material alloy batching device comprises a feeding rail trolley, wherein a discharge hopper is arranged at the bottom of a carriage of the feeding rail trolley, a temporary storage hopper positioned above the tank body is arranged on the vibration feeding trolley, and when the feeding trolley travels to a specified position, the discharge hopper is opened to add the alloy to the temporary storage hopper on the vibration feeding trolley.
As a preferred technical scheme, the furnace auxiliary material alloy batching device also comprises a discharge hopper switch control mechanism for opening the discharge hopper when the charging track trolley moves above the vibration charging trolley, two rotating shafts are rotatably arranged at the bottom of the discharge hopper, driving gears are respectively and fixedly arranged on the two rotating shafts, the driving gears on the two rotating shafts are mutually meshed, baffles for blocking the lower discharge port of the discharge hopper are respectively and fixedly arranged on the rotating shafts, a torsion spring for driving the rotating shafts to rotate so as to enable the baffles on the two rotating shafts to be mutually away is arranged between the rotating shafts and the discharge hopper, cylinders are respectively and fixedly arranged on the lower end surfaces of the driving gears, the cylinders are eccentrically arranged on the lower end surfaces of the driving gears, locking holes are respectively arranged on the cylinders, and locking columns are movably arranged at the bottom of the discharge hopper, the locking column is matched with the locking hole, when the locking column is inserted into the locking hole, the two baffles are tightly combined together, a guide strip is fixedly arranged on the track, a guide wheel matched with the guide strip is rotatably arranged at the outer end of the locking column, the guide strip is positioned between the guide wheel and the inner end of the locking column, the guide strip comprises a first section and a second section, the vertical distance from the downstream end of the first section to the discharging hopper is greater than that from the upstream end of the first section to the discharging hopper, the vertical distance from the downstream end of the second section to the discharging hopper is less than that from the upstream end of the second section to the discharging hopper, the guide wheel moves from the upstream end of the first section to the downstream end, the locking column moves out of the two locking holes, and the guide wheel moves from the upstream end of the second section to the downstream end, the locking columns are inserted into the two locking holes, the track is also provided with two guide plates corresponding to the second sections of the guide strips, so that the cylinders are closed together to facilitate the insertion of the locking columns into the two locking holes, and the distance between the two guide plates is gradually narrowed from the upstream to the downstream of the guide rail.
Due to the adoption of the technical scheme, the full-automatic charging and proportioning system of the electric furnace comprises an automatic iron proportioning device, a furnace auxiliary material alloy proportioning device and a furnace front precise proportioning device, wherein the furnace front precise proportioning device comprises a spectrum analyzer and a proportioning and conveying device, the spectrum analyzer analyzes chemical components of molten iron, and the furnace front precise proportioning device adds one or more materials of silicon carbide, ferrosilicon, ferromanganese, ferrosulfur, carburant and ferrochrome into the electric furnace; preparing and conveying materials added into the electric furnace according to the molten iron component proportioning and conveying device; the molten iron chemical composition is analyzed by the spectrum analyzer, the alloy weight needing to be increased is automatically calculated by comparison according to signals of the spectrum analyzer by the computer system, the batching and conveying device comprises storage bins corresponding to various materials one by one, and weighing hoppers are installed at discharge holes of the storage bins. After the material is mixed, the mixed materials are respectively gathered into a tray or a flow pipe and added into the ladle, so that the accuracy and the efficiency of the precise mixing in front of the furnace are effectively improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic composition diagram of an embodiment of the present invention.
FIG. 2 is a schematic structural diagram of a furnace auxiliary material alloy batching device in the embodiment of the invention;
FIG. 3 is a bottom view of the discharge hopper on-off control mechanism in an embodiment of the present invention;
FIG. 4 is a schematic diagram of the working principle of the discharge hopper switch control mechanism in the embodiment of the invention;
fig. 5 is a partial enlarged view at I in fig. 3.
Detailed Description
As shown in fig. 1, a full-automatic charging and batching system for an electric furnace comprises an automatic iron material batching device, a furnace auxiliary material alloy batching device and a furnace front precise batching device, wherein the furnace front precise batching device comprises a spectrum analyzer 1 and a batching and conveying device, the spectrum analyzer analyzes chemical compositions of molten iron, and materials added into the electric furnace are prepared and conveyed according to the molten iron composition batching and conveying device; the molten iron chemical composition is analyzed to spectral analysis appearance 1, and computer system is according to the signal of spectral analysis appearance, and automatic contrast calculation is sent the data display panel to the alloy weight that needs increase automatically, and operating personnel prepares burden through batching conveyor according to the data that show. The batching and conveying device comprises bins corresponding to various materials one by one, and weighing hoppers are installed at discharge ports of the bins. After the material is mixed, the mixed materials are respectively gathered into a tray or a flow pipe and added into the ladle, so that the accuracy and the efficiency of the precise mixing in front of the furnace are effectively improved.
The material added into the electric furnace by the stokehole fine matching device is one or more of silicon carbide, ferrosilicon, ferromanganese, ferrosulfur, carburant and ferrochrome.
The material added into the electric furnace by the stokehole fine-matching device also comprises tin.
The spectrum analyzer analyzes the contents of C, Si, Mn, S, P, Cu and Cr elements in the molten iron.
The material that can be added to the electric furnace includes an inoculant.
The batching and conveying device comprises bins corresponding to various materials one by one, and weighing hoppers are installed at discharge ports of the bins.
Automatic batching iron material device adds skip and batching electromagnetic disk including the vibration, the electromagnetic disk is including battery power supply system, the batching electromagnetic disk is installed on driving 3, 3 will be carried the iron charge to vibration on adding skip 4 to the driving.
The vibration charging car comprises a tank body, wherein a wear-resistant manganese steel lining plate is detachably mounted on the inner wall of the tank body.
The groove body comprises an inner layer and an outer layer, and sound-absorbing rubber is arranged between the inner layer and the outer layer.
As shown in fig. 2, 3, 4 and 5, the alloy batching device for furnace auxiliary materials comprises a track 5 and a feeding rail trolley 6, wherein a discharge hopper 7 is arranged at the bottom of the feeding rail trolley 6, and when the feeding trolley travels above the vibration feeding trolley 4, the discharge hopper is opened to add the alloy onto the vibration feeding trolley; the furnace auxiliary material alloy batching device also comprises a discharge hopper switch control mechanism for opening the discharge hopper when the charging track trolley walks above the vibration charging trolley, the discharge hopper switch control mechanism comprises two rotating shafts 8 rotatably mounted at the bottom of the discharge hopper, driving gears 9 are respectively and fixedly mounted on the two rotating shafts 8, the driving gears 9 on the two rotating shafts 8 are mutually meshed, the models of the two driving gears are consistent, baffles 10 for blocking the lower discharge port of the discharge hopper are respectively and fixedly mounted on the rotating shafts 8, a torsional spring for driving the rotating shafts 8 to rotate so as to enable the baffles 10 on the two rotating shafts 8 to be mutually far away is arranged between the rotating shafts 8 and the discharge hopper, cylinders 11 are respectively and fixedly mounted on the lower end surfaces of the driving gears 9, and the cylinders are eccentrically arranged on the lower end surfaces of the driving gears, the cylinder is provided with locking holes 12, the bottom of the discharge hopper is also movably provided with locking columns 13, the bottom of the discharge hopper is preferably provided with a guide cylinder, the locking columns are movably arranged in the guide cylinder 20, locking column springs for inserting the locking columns into the locking holes are arranged between the locking columns and the guide cylinder, the locking columns 13 are matched with the locking holes 12, when the locking columns 13 are inserted into the locking holes, as shown in figure 3, the two baffles 10 are tightly combined together, when the locking columns are not inserted into the locking holes, as shown in figure 4, the two baffles are far away from each other under the action of the torsion springs, so that the discharge hopper is opened, guide strips 14 are fixedly arranged on the track 5, guide wheels 15 matched with the guide strips 14 are rotatably arranged at the outer ends of the locking columns 13, and the guide strips are positioned between the guide wheels 15 and the inner ends of the locking columns 13, the guide strip comprises a first section 16 and a second section 17, the vertical distance from the downstream end of the first section 16 to the discharge hopper 7 is greater than the vertical distance from the upstream end of the first section 16 to the discharge hopper 7, in the embodiment, a middle section 19 parallel to the guide rail is further arranged between the first section and the second section, the vertical distance from the downstream end of the second section to the discharge hopper is smaller than the vertical distance from the upstream end of the second section to the discharge hopper, the guide wheel moves from the upstream end of the first section to the downstream end, the locking columns 13 move out of the locking holes 12, and the guide wheel moves from the upstream end of the second section to the downstream end and inserts into the locking holes.
The track 5 is further provided with two guide plates 18 corresponding to the second sections 17 of the guide strips, so that the cylinders 11 are closed together to facilitate the insertion of the locking columns 13 into the two locking holes, as shown in fig. 2, the distance between the two guide plates is gradually narrowed from the line A, because the cylinders are eccentrically arranged on the lower end face of the driving gear, the axis of the cylinders and the rotation center of the driving gear are not overlapped, so that after the two cylinders enter between the two guide plates, the cylinders deflect under the action of the guide plates to drive the rotation shaft to rotate, so that the two baffles are closed, the two cylinders are closed together from the line B, the locking columns start to move towards the locking holes, and the locking columns are inserted into the two locking holes at the line C. The upstream and the downstream refer to the moving direction of the charging rail trolley, the charging trolley walks from the upstream to the position above the downstream vibration charging trolley 4, the discharging hopper is opened, and the alloy is charged on the vibration charging trolley. In this embodiment, the rail 5 is an annular rail, and after the feeding rail trolley feeds materials through the vibration feeding trolley, the feeding rail trolley moves annularly along the rail 5, and after the weighed alloy is added into the feeding rail trolley, the feeding rail trolley continues to move along the rail 5, and sends the alloy to the vibration feeding trolley, and then, the feeding rail trolley continues to move forward along the rail 5, so as to prepare for containing and transporting the weighed alloy again.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a full-automatic batching system that adds of electric stove, its characterized in that, includes that automatic batching iron material device, furnace back auxiliary material alloy dosing unit and stokehold are joined in marriage the device, stokehold is joined in marriage the device and is included spectral analysis appearance and batching conveyor, spectral analysis appearance analysis molten iron chemical composition, stokehold is joined in marriage the material that the device added in to the electric stove and is one or several kinds in carborundum, ferrosilicon, ferromanganese, pyrite, carburant, the ferrochrome.
2. The full-automatic charging and batching system for the electric furnace as claimed in claim 1, wherein the material added into the electric furnace by the stokehold fine batching device further comprises tin.
3. The full-automatic charging and batching system for electric furnaces as claimed in claim 1, wherein said spectrum analyzer analyzes the contents of C, Si, Mn, S, P, Cu, Cr elements in molten iron.
4. The fully automatic charging and proportioning system of an electric furnace of claim 1 wherein the material added into the electric furnace by the stokehole fine proportioning device further comprises an inoculant.
5. The full-automatic charging and proportioning system of the electric furnace according to claim 1, wherein the proportioning material conveying device comprises bins corresponding to various materials one by one, and weighing hoppers are installed at discharge ports of the bins.
6. The full-automatic charging and batching system for electric furnaces according to claim 1, wherein the automatic iron material batching device comprises a vibrating charging car and a batching electromagnetic disc, the electromagnetic disc comprises a battery power supply system, the batching electromagnetic disc is installed on a travelling crane, and the travelling crane conveys iron materials to the vibrating charging car.
7. The full-automatic charging and proportioning system of an electric furnace as claimed in claim 1, wherein the vibration charging car comprises a tank body, and a wear-resistant manganese steel lining plate is detachably mounted on the inner wall of the tank body.
8. The full-automatic charging and proportioning system of an electric furnace as claimed in claim 7, wherein the tank body comprises an inner layer and an outer layer, and sound-absorbing rubber is arranged between the inner layer and the outer layer.
9. The full-automatic charging and batching system of the electric furnace according to claim 1, wherein the furnace auxiliary material alloy batching device further comprises a discharging hopper switch control mechanism for opening the discharging hopper when the charging rail trolley moves above the vibrating charging trolley, two rotating shafts are rotatably mounted at the bottom of the discharging hopper, driving gears are respectively and fixedly mounted on the two rotating shafts, the driving gears on the two rotating shafts are mutually engaged, baffles for blocking the lower discharging port of the discharging hopper are respectively and fixedly mounted on the rotating shafts, a torsion spring for driving the rotating shafts to rotate so as to enable the baffles on the two rotating shafts to be mutually away is arranged between the rotating shafts and the discharging hopper, cylinders are respectively and fixedly mounted on the lower end surfaces of the driving gears, the cylinders are eccentrically arranged on the lower end surfaces of the driving gears, and locking holes are respectively formed on the cylinders, the bottom of the discharge hopper is also movably provided with a locking column which is matched with the locking hole, when the locking column is inserted into the locking hole, the two baffles are tightly combined together, the track is fixedly provided with a guide strip, the outer end of the locking column is rotatably provided with a guide wheel matched with the guide strip, the guide strip is positioned between the guide wheel and the inner end of the locking column, the guide strip comprises a first section and a second section, the vertical distance from the downstream end of the first section to the discharge hopper is greater than that from the upstream end of the first section to the discharge hopper, the vertical distance from the downstream end of the second section to the discharge hopper is less than that from the upstream end of the second section to the discharge hopper, and the locking column moves out of the two locking holes in the process that the guide wheel moves from the upstream end of the first section to the downstream end, in the process that the guide wheel moves from the upstream end to the downstream end of the second section, the locking columns are inserted into the two locking holes, the track is also provided with two guide plates corresponding to the second section of the guide strip, so that the cylinders are closed together to facilitate the insertion of the locking columns into the two locking holes, and the distance between the two guide plates is gradually narrowed from the upstream to the downstream of the guide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210124775.4A CN114395659A (en) | 2022-02-10 | 2022-02-10 | Full-automatic batching system that adds of electric stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210124775.4A CN114395659A (en) | 2022-02-10 | 2022-02-10 | Full-automatic batching system that adds of electric stove |
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| Publication Number | Publication Date |
|---|---|
| CN114395659A true CN114395659A (en) | 2022-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210124775.4A Pending CN114395659A (en) | 2022-02-10 | 2022-02-10 | Full-automatic batching system that adds of electric stove |
Country Status (1)
| Country | Link |
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| CN (1) | CN114395659A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103468879A (en) * | 2013-09-05 | 2013-12-25 | 中国重型机械研究院股份公司 | Clutch-type vacuum alloy feeding system |
| CN104178684A (en) * | 2014-09-03 | 2014-12-03 | 河北丰维机械制造有限公司 | Smelting method of chromium-molybdenum-copper-nickel-tin-antimony low-alloy wear-resistant cast iron |
| CN105063277A (en) * | 2015-09-28 | 2015-11-18 | 山东钢铁股份有限公司 | Distributing device of molten steel covering agent |
| CN108203752A (en) * | 2018-01-17 | 2018-06-26 | 青岛贝诺磁电科技有限公司 | A kind of middle frequency furnace is with charging control method and intellectualizing system |
-
2022
- 2022-02-10 CN CN202210124775.4A patent/CN114395659A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103468879A (en) * | 2013-09-05 | 2013-12-25 | 中国重型机械研究院股份公司 | Clutch-type vacuum alloy feeding system |
| CN104178684A (en) * | 2014-09-03 | 2014-12-03 | 河北丰维机械制造有限公司 | Smelting method of chromium-molybdenum-copper-nickel-tin-antimony low-alloy wear-resistant cast iron |
| CN105063277A (en) * | 2015-09-28 | 2015-11-18 | 山东钢铁股份有限公司 | Distributing device of molten steel covering agent |
| CN108203752A (en) * | 2018-01-17 | 2018-06-26 | 青岛贝诺磁电科技有限公司 | A kind of middle frequency furnace is with charging control method and intellectualizing system |
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Application publication date: 20220426 |
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