CN2454741Y - Novel ladle refining furnace - Google Patents
Novel ladle refining furnace Download PDFInfo
- Publication number
- CN2454741Y CN2454741Y CN 00226719 CN00226719U CN2454741Y CN 2454741 Y CN2454741 Y CN 2454741Y CN 00226719 CN00226719 CN 00226719 CN 00226719 U CN00226719 U CN 00226719U CN 2454741 Y CN2454741 Y CN 2454741Y
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- CN
- China
- Prior art keywords
- refining furnace
- bell
- ladle refining
- lifting mechanism
- novel ladle
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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The utility model relates to a novel ladle refining furnace with simple structure and good tightness, which effectively reduces manufacturing cost and use cost and eliminates environmental pollution with low energy consumption. The utility model comprises a refining furnace lid, the upper part of the refining furnace lid body is provided with an electrode hole and a smoke and dust removal device, and the smoke and dust removal device comprises a fume collecting hood and a fume collecting cylinder connected with the fume collecting hood. The refining furnace lid body is connected with a lifting mechanism of the refining furnace lid, the lifting mechanism of the refining furnace lid comprises an L-shaped frame and an oil cylinder, the oil cylinder is arranged in a standing column of the L-shaped frame, the lifting mechanism of the refining furnace lid is placed on a heating base, and an electrode elevating mechanism is arranged on the heating base.
Description
The utility model relates to the refining equipment in a kind of metallurgy industry, especially relates to a kind of novel ladle refining furnace.
In the background technology, continuous development along with modern industry, people improve day by day to the requirement of rolling shapes in the metallurgy industry and quality, this just needs high-quality ladle refining furnace to satisfy this requirement, ladle refining furnace is the refining equipment of ultra high electric arc furnace and pneumatic steelmaking, also is the buffer device of continuous casting installation for casting, existing ladle refining furnace complex structure, manufacturing cost and use cost is all higher, and maintenance difficult.In addition, because its poor sealing performance energy consumption is increased, and the flue dust of discharging pollutes to environment.
The purpose of this utility model has been to overcome the weak point in the background technology, and a kind of novel ladle refining furnace is provided, and it is simple in structure, and good seal performance has reduced manufacturing cost and use cost effectively, and can cut down the consumption of energy, and eliminates the pollution to environment.
For achieving the above object, the technical solution that the utility model adopts is as follows:
A kind of novel ladle refining furnace, comprise the refining furnace bell, its special character is: described bell body top is provided with electrode hole and is provided with the smoke evacuation dust arrester, and the bell body is connected with furnace cover lifting mechanism, furnace cover lifting mechanism places on the heating pedestal, on the heating pedestal and be provided with electrode lifting mechanism.
Above-mentioned bell can be a tubular structure, and bell body sidewall is taper, and the top is a taper surface, which is provided with central lid, and described electrode hole is opened on central lid.
Above-mentioned smoke evacuation dust arrester can comprise exhaust fume collecting hood and the set chimney that is attached thereto, and set chimney is provided with seal cover.
Above-mentioned furnace cover lifting mechanism can comprise Г type frame and oil cylinder, and oil cylinder is located at and is constituted the furnace cover lifting column in the Г type frame column, and the furnace cover lifting column contacts with being arranged on the guide roller that heats on the pedestal, and Г type frame end portion is connected with bell.
Can be provided with the bell cooling water in the above-mentioned Г type frame and advance return pipe.
Above-mentioned heating pedestal can be divided into upper and lower two-layer, respectively rise fall of electrodes column in the installing electrodes elevating mechanism and the furnace cover lifting column in the furnace cover lifting mechanism and corresponding guide roller thereof.
Between above-mentioned bell and the Г type frame can be movable the connection.
Above-mentioned bell bottom can be provided with the sealing shirt rim.
Can be provided with material alloying hole, thermometric thief hole and corresponding seal cover on the above-mentioned bell body.
Above-mentioned set chimney can be three, and wherein main set chimney is provided with centrifugal fan.
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of bell in the utility model;
Fig. 3 is the A-A cutaway view of Fig. 2;
Fig. 4 is the structural representation of the hositing mechanism of furnace roof in the utility model;
Fig. 5 is that the A of Fig. 4 is to view;
Fig. 6 is the structural representation of heating pedestal in the utility model;
Fig. 7 is the B-B cutaway view of Fig. 6.
Number in the figure is described as follows:
The 1-transformer, the short net of 2-secondary, 3-water-cooling system, 4-electrode lifting mechanism, 5-furnace cover lifting mechanism, 6-heats pedestal, 7-water cooled cover, 8-ladle, 9-hydraulic system, 10-water cooled cover body, 11-exhaust fume collecting hood, the 12-lid of tiing a knot, the 13-set chimney, 14-seals shirt rim, 15-crossbeam, 16-column, the 17-oil cylinder, 18-water pipe, 19-water inlet pipe mouth, 20-effluent pipe mouth, 21-upper strata roller mount, 22-pedestal, 23-lower floor roller mount.
Below in conjunction with accompanying drawing the utility model is described in further detail: referring to Fig. 1, comprise the short net 2 of refining furnace transformer 1 and secondary, and water-cooling system 3 and hydraulic system 9, ladle 8 is provided with water cooled cover 7, water cooled cover body 10 is connected with furnace cover lifting mechanism 5, furnace cover lifting mechanism 5 places on the heating pedestal 6, on the heating pedestal 6 and be provided with electrode lifting mechanism 4.Referring to Fig. 2, Fig. 3, water cooled cover 7 comprises water cooled cover body 10, smoke evacuation dust arrester and platform, water cooled cover body 10 sidewalls are slightly tapered, big down little, the top is that taper surface is to guarantee rigidity, a back taper water-cooling ring is established in the center, top, is used to bear the refractory material central lid, has on the central lid and corresponding three electrode holes of three-phase electrode.The smoke evacuation dust arrester is located at bell body 10 tops, comprises exhaust fume collecting hood 11 and is attached thereto logical set chimney 13, and set chimney 13 is provided with seal cover, and exhaust fume collecting hood is provided with knotting and covers 12, and set chimney 13 exhaust openings dock with the workshop smoke discharging dust removing system.Dust is discharged along exhaust fume collecting hood 11 and set chimney 13 during smelting.Set chimney 13 is located at bell body 10 sidepieces, has three, and dust collect plant and centrifugal high-temperature blower fall in the wherein main set chimney dirt that is provided with suitable for reading, and flue gas after being purified is discharged outside the workshop, and the smoke collecting device catch rate can reach 90%, helps environmental protection.In addition, stretched out 300 millimeters sealing shirt rims 14 in water cooled cover body 10 bottoms, its effect is the reducing atmosphere in the protection stove, improves refining efficiency, reduces consumption of electrode and power consumption.When 50 ℃ of molten steel ladle temperature rises, power consumption is reduced to 30Kwh/t by 60Kwh/t during smelting, and average consumption of electrode is reduced to molten steel per ton by 0.7 kilogram on molten steel per ton and consumed 0.55 kilogram.Referring to Fig. 4, Fig. 5, furnace cover lifting mechanism 5 is made up of Г type frame and furnace cover lifting oil cylinder 17, ΓXing Jia is made of crossbeam 15 and column 16, hoist cylinder 17 is installed in the Г type frame column 16, constitute the furnace cover lifting column, can realize the synchronization lifting of bell, the furnace cover lifting column be arranged on the guide roller of heating on the pedestal 6 and contact, Г type frame end portion connects with water cooled cover, Г type frame end portion adopts " ox head " design, and is simple in structure, both can swing up and down, again can about adjust, make the installation and maintenance of bell very convenient.Furnace cover lifting mechanism 5 central posts 16 are one with plunger cylinder 17, economize the merit material-saving, be convenient to maintenance, compare with existing same device, can reduce the two-way hydraulic cylinder of 2 500 millimeters strokes, 42 meters reel chains, the large platform of the crane span structure of 4 sprocket wheels, pull bar etc. and 8 tons of weights and shaped steel weldering system, save material 50% altogether, reduce mechanical transmission part 60%.Adopt Г type frame to make bell promote no dancing, the graphite electrode that can not fracture guarantees that graphite electrode intensification consumption reaches optimum value, has also solved two nonsynchronous problems of oil cylinder of original bell.In addition, be provided with water pipe 18 in the Г type frame crossbeam 15, be provided with water inlet pipe mouth 19 and effluent pipe mouth 20 at crossbeam 15 afterbodys, by crossbeam 15 direct-furnish water cooled covers 7 water coolings, crossbeam 15 bodies also are cooled and have prevented thermal deformation.Г type frame had both been born water cooled cover 7 lifting loads, and the while is entered the backwater road as the cooling water of water cooled cover 7 again, has save loaded down with trivial details structures such as sole water pipe support, and the cooling water water route is simplified greatly.Referring to Fig. 6, Fig. 7, heating pedestal 6 is the basic component of refining furnace, it is divided into upper and lower two-layer, difference installing electrodes lifting column, furnace cover lifting column and corresponding guide wheel device thereof, the guiding wheels are used for the positioning and guiding of elevating mechanism, it is made up of two groups of roller set, counter electrode lifting column and furnace cover lifting column are respectively established one group up and down, form the lifting leading truck, roller set is located at respectively in upper strata roller mount 21 and the lower floor's roller mount 23, is pedestal 22 between upper strata roller mount 21 and the lower floor's roller mount 23.Its structure is simplified greatly, has replaced the somewhat complex design of former guiding wheel carrier.The heating pedestal 6 whole welded steel plates that adopt, its body is divided into upper and lower two-layer, and 28 pair rollers are installed altogether, and the maintenance of roller and dismounting all have sufficient activity space, safeguard very convenient.During actual the use, when ladle 8 after the bull ladle station is accepted molten steel, by buggy ladle ladle 8 is transported to heating station, by the hoist cylinder in the furnace cover lifting mechanism 5 17 bell 7 is dropped on the ladle mouth, hydraulic system 9 is controlled the steering electrode hoist cylinders subsequently, make three-phase transverse arm and column on the heating pedestal 6 pass through assembly pulley, in the two-layer electrode hole insertion ladle 8 of three-phase graphite electrode that is clipped on the transverse arm by water cooled cover 7, when near the molten steel in the ladle, the starting the arc immediately makes molten steel be rapidly heated with 4 ℃ of per minutes or 5 ℃, molten steel ladle is owing to intensification and alloy material fusing produce 950 ℃～1000 ℃ high-temperature flue gas simultaneously, by three set chimneys 13 and the high-temperature blower of water cooled cover 7 sidepieces, with high-temperature flue gas with dust is taken away and discharge outside the workshop through purifying.After the refining liquid steel composition is qualified, molten steel temperature reaches about 1620 ℃, at this moment the three-phase graphite electrode of the hoist cylinder of electrode lifting mechanism 4 lifting three-phase transverse arm and clamping is raised to more than the ladle mouth, furnace cover lifting mechanism 5 promotes water cooled cover 7 and leaves 350 millimeters in ladle mouth simultaneously, and start buggy ladle by electric control gear control, the molten steel that refining is qualified transports the continuous casting station to, finishes a refining cycle.
Compared with prior art, the advantage and the effect that the utlity model has are as follows:
1, the utility model overall structure has had bigger simplification, and machined piece reduces, and has saved raw material, The corresponding manufacturing cost that makes obviously reduces, and maintenance work is simple and reliable, has reduced significantly maintenance cost;
2, the utility model bell good airproof performance, and be provided with collection fume and dust device, the smoke evacuation catch rate can reach 95%, Eliminate the pollution of flue gas to environment, purified environment;
3, the good airproof performance of the utility model bell can be protected the reducing atmosphere in the stove, improves refining efficiency, Reduce consumption of electrode, reduce power consumption, the refining furnace smelting cost is reduced, the user can obtain preferably economic effect Benefit;
4, the utility model novel structure is applied widely, and its production and use cost are all lower, have Good market prospects.
Claims (10)
1, a kind of novel ladle refining furnace, comprise refining furnace bell (7), it is characterized in that: described bell body (10) top is provided with electrode hole and is provided with the smoke evacuation dust arrester, bell body (10) is connected with furnace cover lifting mechanism (5), furnace cover lifting mechanism (5) places on the heating pedestal (6), and electrode lifting mechanism (4) is gone up and be provided with to heating pedestal (6).
2, novel ladle refining furnace according to claim 1 is characterized in that: described bell (7) is a tubular structure, and bell body (10) sidewall is taper, and the top is a taper surface, which is provided with central lid, and described electrode hole is opened on central lid.
3, novel ladle refining furnace according to claim 1 and 2 is characterized in that: the set chimney (13) that described smoke evacuation dust arrester comprises exhaust fume collecting hood (11) and is attached thereto, set chimney (13) is provided with seal cover.
4, novel ladle refining furnace according to claim 3, it is characterized in that: described furnace cover lifting mechanism (5) comprises type frame and oil cylinder (17), oil cylinder (17) is located at and is constituted the furnace cover lifting column in the Г type frame column (6), the furnace cover lifting column contacts with being arranged on the guide roller that heats on the pedestal (6), and Г type frame end portion is connected with bell (7).
5, novel ladle refining furnace according to claim 4 is characterized in that: be provided with the bell cooling water in the described Г type frame and advance return pipe (18).
6, novel ladle refining furnace according to claim 5, it is characterized in that: described heating pedestal (6) is divided into upper and lower two-layer, respectively rise fall of electrodes column in the installing electrodes elevating mechanism (4) and the furnace cover lifting column in the furnace cover lifting mechanism (5) and corresponding guide roller thereof.
7, novel ladle refining furnace according to claim 6 is characterized in that: be movable the connection between described bell (7) and the Г type frame.
8, novel ladle refining furnace according to claim 7 is characterized in that: described bell (7) bottom is provided with sealing shirt rim (14).
9, novel ladle refining furnace according to claim 8 is characterized in that: described bell body (10) is provided with material alloying hole, thermometric thief hole and corresponding seal cover.
10, novel ladle refining furnace according to claim 9 is characterized in that: described set chimney (13) is three, and wherein main set chimney is provided with centrifugal fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00226719 CN2454741Y (en) | 2000-08-16 | 2000-08-16 | Novel ladle refining furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00226719 CN2454741Y (en) | 2000-08-16 | 2000-08-16 | Novel ladle refining furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2454741Y true CN2454741Y (en) | 2001-10-17 |
Family
ID=33590501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00226719 Expired - Fee Related CN2454741Y (en) | 2000-08-16 | 2000-08-16 | Novel ladle refining furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2454741Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102191354A (en) * | 2011-03-24 | 2011-09-21 | 芜湖新兴铸管有限责任公司 | Electrode hoisting system for low-frequency (LF) furnace |
| CN102252516A (en) * | 2011-06-08 | 2011-11-23 | 宝鸡铠丰科技发展有限公司 | Novel fused magnesia smelting electric arc furnace |
| CN102853659A (en) * | 2012-07-09 | 2013-01-02 | 江苏富星新材料科技有限公司 | Electric energy founding device |
| CN102967139A (en) * | 2012-10-31 | 2013-03-13 | 西安合元冶金设备工程有限责任公司 | Conical hood mechanism of titanium slag furnace |
| CN105861779A (en) * | 2016-06-06 | 2016-08-17 | 山东钢铁股份有限公司 | Overturn-preventing device for water cooled cover and lifting stand column of ladle refining furnace |
| CN108489289A (en) * | 2018-05-11 | 2018-09-04 | 河钢股份有限公司承德分公司 | Electrode hole flue gas anti-overflow device and its method when one kind is for the production of LF stoves |
| CN109237949A (en) * | 2018-07-13 | 2019-01-18 | 王玉环 | A kind of alloy refining equipment furnace |
| CN109612264A (en) * | 2019-02-22 | 2019-04-12 | 中冶赛迪工程技术股份有限公司 | Continuous charging electric furnace arrangement for producing steel device |
-
2000
- 2000-08-16 CN CN 00226719 patent/CN2454741Y/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102191354A (en) * | 2011-03-24 | 2011-09-21 | 芜湖新兴铸管有限责任公司 | Electrode hoisting system for low-frequency (LF) furnace |
| CN102191354B (en) * | 2011-03-24 | 2013-03-20 | 芜湖新兴铸管有限责任公司 | Electrode hoisting system for low-frequency (LF) furnace |
| CN102252516A (en) * | 2011-06-08 | 2011-11-23 | 宝鸡铠丰科技发展有限公司 | Novel fused magnesia smelting electric arc furnace |
| CN102853659A (en) * | 2012-07-09 | 2013-01-02 | 江苏富星新材料科技有限公司 | Electric energy founding device |
| CN102967139A (en) * | 2012-10-31 | 2013-03-13 | 西安合元冶金设备工程有限责任公司 | Conical hood mechanism of titanium slag furnace |
| CN105861779A (en) * | 2016-06-06 | 2016-08-17 | 山东钢铁股份有限公司 | Overturn-preventing device for water cooled cover and lifting stand column of ladle refining furnace |
| CN105861779B (en) * | 2016-06-06 | 2018-03-27 | 山东钢铁股份有限公司 | The Overthrow preventing device of Water-cooling furnace cover of ladle refining furnace and lifting column |
| CN108489289A (en) * | 2018-05-11 | 2018-09-04 | 河钢股份有限公司承德分公司 | Electrode hole flue gas anti-overflow device and its method when one kind is for the production of LF stoves |
| CN109237949A (en) * | 2018-07-13 | 2019-01-18 | 王玉环 | A kind of alloy refining equipment furnace |
| CN109612264A (en) * | 2019-02-22 | 2019-04-12 | 中冶赛迪工程技术股份有限公司 | Continuous charging electric furnace arrangement for producing steel device |
| CN109612264B (en) * | 2019-02-22 | 2024-02-06 | 中冶赛迪工程技术股份有限公司 | Continuous charging steelmaking electric arc furnace device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |