CN102059328A - Vertical two-channel power frequency tundish heating device with core - Google Patents
Vertical two-channel power frequency tundish heating device with core Download PDFInfo
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- CN102059328A CN102059328A CN 201010502269 CN201010502269A CN102059328A CN 102059328 A CN102059328 A CN 102059328A CN 201010502269 CN201010502269 CN 201010502269 CN 201010502269 A CN201010502269 A CN 201010502269A CN 102059328 A CN102059328 A CN 102059328A
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Abstract
The invention relates to a vertical two-channel power frequency tundish heating device with a core, which is characterized by comprising a tundish, a heater and an electric device for the heater; wherein the tundish is provided with two chambers of a molten steel injection chamber and a molten steel distribution chamber and two channels, the molten steel injection chamber and the molten steel distribution chamber are separated by refractory brickworks; an upper iron core in the heater consists of an upper yoke and two columnar iron cores, wherein a heater coil is arranged on the periphery of a column iron core which penetrates through the refractory brickworks of the tundish; a guide bearing and a guide drum are arranged under the heater coil, and a locating piece with a spigot is arranged between the upper iron core and an lower yoke. The heating device adopts vertical core heating, while the heater has reasonable structure, is convenient for installation, operation and maintenance, and is beneficial to prolong the service life of the tundish. The heating device is convenient for realization of automatic control, and can improve heat efficiency by about 10%. The temperature of molten steel is uniform, which is beneficial to improving quality of billets.
Description
Technical field
The invention belongs to the special equipment that a kind of metallurgy industry conticaster is used, particularly a kind of vertical core and double-channel power frequency pans firing equipment that has.
Background technology
In recent years, continuous-casting of steel billet technical development practical experience proves, the liquid steel temperature or the degree of superheat of control pans are stable operations, improve solidified structure, one of effective method that improves the quality of products.Yet in whole casting process, there is heat loss in varying degrees in pans, at the special continuous casting initial stage, the undesired casting casting phases such as the ladle exchange and the latter stage of casting, cause temperature drop and temperature fluctuation that molten steel is bigger inevitably.Therefore seek the temperature drop of external heat source compensation pans molten steel, accurately control the best degree of superheat, make the temperature stabilization that enters the crystallizer molten steel, more and more cause people's attention.Therefore, the heating technique of existing various ways.At present, add thermal recovery coreless induction heating and the horizontal induction heating technique of core is arranged at metallurgy industry conticaster pans, but mostly there is the structure more complicated in these heating techniques, heat inhomogeneously, be inconvenient to control, the efficiency of heating surface is hanged down the problems such as waste with the energy.
Summary of the invention
The present invention has overcome the defective of above-mentioned existence, and purpose is the electric device of metallurgy industry conticaster by employing tundish, heater and heater, realizes the heating of power frequency pans, and a kind of vertical core and double-channel power frequency pans firing equipment that has is provided.
The present invention is vertical core and double-channel power frequency pans firing equipment content Description:
The present invention is vertical core and double-channel power frequency pans firing equipment, and it is characterized in that: electric device three parts by pans, heater and heater are formed; Be provided with two Room, two passages at pans, be molten steel flood chamber and molten steel distributor chamber, by the refractory material masonry molten steel flood chamber and molten steel distributor chamber are separated, 4 mold gaps are set in the molten steel distributor chamber, be provided with the rectangular opening of up/down perforation in the centre of refractory material masonry, in rectangular opening, insert the stem stem of electromagnetic inductor,, the molten steel channel that connects two Room is arranged in the refractory material masonry of heater coil both sides in the outside heater coil of twining of the stem stem of electromagnetic inductor.
Heater is made of: upper core, heater coil, guide and guard bearing, guide and guard tube, locating piece and lower yoke, and upper core is made up of last yoke and two columnar iron cores, and the stem stem iron core periphery that wherein runs through pans refractory material masonry is provided with heater coil; Below heater coil, be provided with guide and guard bearing and guide and guard tube, be provided with the locating piece of assembling seam between upper core and the lower yoke.
In the electric device circuit of heater: the indirect mutually induction heater of AB, the indirect mutually balanced capacitor of BC, the indirect mutually paralleing reactor of CA, compensation condenser C is in parallel with heater.
The present invention is vertical core and double-channel power frequency pans firing equipment, adopts the vertical core heating that has, and heater structure is reasonable in design, be convenient to install, and Operation and Maintenance, and help prolonging service life of pans.Be convenient to realize automatic control, the thermal efficiency can improve about 10%.Liquid steel temperature is more even, helps improving billet quality.
Description of drawings
Fig. 1 is the vertical core and double-channel power frequency pans structural representation that has
Fig. 2 is the vertical core and double-channel power frequency pans structure A-A cutaway view that has
Fig. 3 is the heater structure schematic diagram
Fig. 4 is the electric device circuit diagram of heater
Among the figure: the 1st, molten steel flood chamber, the 2nd, refractory material masonry, the 3rd, passage, the 4th, electromagnetic inductor, the 5th, molten steel distributor chamber, the 6th, mold gap, the 7th, snap joint, the 8th, upper core, the 9th, lower yoke, the 10th, heater coil, the 11st, upper core, the 12nd, heater coil, the 13rd, guide and guard bearing, the 14th, guide and guard tube, the 15th, locating piece, the 16th, lower yoke.
The specific embodiment
The present invention is vertical to be made up of electric device three parts of pans, heater and heater core and double-channel power frequency pans firing equipment.Do below in conjunction with accompanying drawing and to specify.
See Fig. 1, Fig. 2, be provided with two Room, two passages at pans, promptly molten steel flood chamber 1 and molten steel distributor chamber 5 separate molten steel flood chamber 1 and molten steel distributor chamber 5 by refractory material masonry 2, and 4 mold gaps 6 are set in molten steel distributor chamber 5.Molten steel flood chamber 1 is accepted big Baogang water, and molten steel distributor chamber 5 is distributed to four mold gaps 6 with molten steel.Be provided with the rectangular opening of up/down perforation in the centre of refractory material masonry 2, in rectangular opening, insert the stem stem of electromagnetic inductor 4, in the outside heater coil 10 of twining of the stem stem of electromagnetic inductor 4, the molten steel channel 3 that connects two Room is arranged in heater coil 10 both sides refractory material masonries.Induction coil is equivalent to the transformer primary winding, the molten steel in the passage 3, and the secondary coil of suitable transformer, when heater coil 10 galvanizations, the molten steel in the passage 3 heats molten steel because induced-current becomes heat energy with electric energy.While can purify hot metal owing to electrodynamic effect.
Seeing Fig. 3, is the heater structure schematic diagram,
Heater is made of: upper core 11, heater coil 12, guide and guard bearing 13, guide and guard tube 14, locating piece 15 and lower yoke 16, upper core 11 is made up of last yoke and two columnar iron cores, and the stem stem iron core periphery that wherein runs through pans refractory material masonry is provided with heater coil 12; Being provided with guide and guard bearing 13 and guide and guard tube 14 below heater coil 12, when heater coil 12 passes passage, is that passage is passed in guiding by guide and guard tube 14, run through up and down apart from the shape conduit wall guide and guard sleeve pipe is arranged, bearing-type guide and guard wheel is installed on columnar iron core.When heating is installed, prevent that coil collision from damaging.
Be provided with the locating piece 15 of assembling seam between upper core 11 and the lower yoke 16, install accurately, and be to process by grinding machine in the junction to guarantee upper core 11 and lower yoke 16.Guarantee its realization noiseless of combining closely.
The iron core edge is processed into dentation, increases the cooling of area of dissipation and heater coil 12.
See Fig. 4, the electric device circuit diagram of heater
Among the figure: the dark adjustable transformer of SS-, R-L are induction heater, X
LPBe paralleing reactor, X
CPFor balanced capacitor, C are compensation condenser
1) dark pressure regulation ULTC, the same fuel tank of transformer and reactor, transformer range of regulation 0.3～1.0 is by pressure regulation adjuster heating power.
2) parameter of single-phase load three-phase balance adjuster regulating circuit makes it satisfy relational expression:
3) among Fig. 4: the indirect mutually induction heater of AB, the indirect mutually balanced capacitor of BC, the indirect mutually paralleing reactor of CA.
4) adjuster of the reactive-load compensation of heater coil, its compensation condenser is in parallel with heater, regulates C, realizes idle adjusting.
5) realize reactive-load compensation automatically, the automatic control of three-phase equilibrium and heating power.
Claims (3)
1. one kind vertically has a core and double-channel power frequency pans firing equipment, and it is characterized in that: electric device three parts by pans, heater and heater are formed; Pans are provided with two Room, two passages, be molten steel flood chamber (1) and molten steel distributor chamber (5), by refractory material masonry (2) molten steel flood chamber (1) and molten steel distributor chamber (5) are separated, 4 mold gaps (6) are set in molten steel distributor chamber (5), be provided with the rectangular opening of up/down perforation in the centre of refractory material masonry (2), in rectangular opening, insert the stem stem of electromagnetic inductor (4), in the outside heater coil (10) of twining of the stem stem of electromagnetic inductor (4), the molten steel channel (3) that connects two Room is arranged in the refractory material masonry of heater coil (10) both sides.
2. the vertical core and double-channel power frequency pans firing equipment that has according to claim 1, it is characterized in that: heater is made of: upper core (11), heater coil (12), guide and guard bearing (13), guide and guard tube (14), locating piece (15) and lower yoke (16), upper core (11) is made up of last yoke and two columnar iron cores, and the stem stem iron core periphery that wherein runs through pans refractory material masonry is provided with heater coil (12); Below heater coil (12), be provided with guide and guard bearing (13) and guide and guard tube (14), be provided with the locating piece (15) of assembling seam between upper core (11) and the lower yoke (16).
3. the vertical core and double-channel power frequency pans firing equipment that has according to claim 1, it is characterized in that: in the electric device circuit of heater: the indirect mutually induction heater of AB, the indirect mutually balanced capacitor of BC, the indirect mutually paralleing reactor of CA, compensation condenser C is in parallel with heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010502269 CN102059328A (en) | 2010-09-27 | 2010-09-27 | Vertical two-channel power frequency tundish heating device with core |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010502269 CN102059328A (en) | 2010-09-27 | 2010-09-27 | Vertical two-channel power frequency tundish heating device with core |
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| CN102059328A true CN102059328A (en) | 2011-05-18 |
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| CN 201010502269 Pending CN102059328A (en) | 2010-09-27 | 2010-09-27 | Vertical two-channel power frequency tundish heating device with core |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104162641A (en) * | 2014-09-04 | 2014-11-26 | 南车戚墅堰机车车辆工艺研究所有限公司 | Device and method for preparing thermometal plane bearing workblanks |
| CN104525928A (en) * | 2015-01-22 | 2015-04-22 | 无锡巨力重工股份有限公司 | Double-nozzle external heating type intermediate tank |
Citations (6)
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|---|---|---|---|---|
| CN1115377A (en) * | 1994-07-18 | 1996-01-24 | 新日本制铁株式会社 | Method of preventing generation of earth circulating current in induction heating apparatus for molten steel |
| CN101062520A (en) * | 2006-04-26 | 2007-10-31 | 宝山钢铁股份有限公司 | Pouring basket heating arrangement for continuous casting technology |
| JP4118588B2 (en) * | 2002-04-09 | 2008-07-16 | 株式会社アルバック | Metal ribbon casting equipment |
| CN201349338Y (en) * | 2009-02-06 | 2009-11-18 | 洛阳轴研科技股份有限公司 | Guide roller push-pull induction heater |
| CN101767196A (en) * | 2010-03-12 | 2010-07-07 | 湖南中科电气股份有限公司 | Bypass dual-channel electromagnetic refine and heating device for tundish |
| CN201799599U (en) * | 2010-09-27 | 2011-04-20 | 鞍山亚赛电磁设备有限公司 | Vertical cored dual-channel power frequency tundish heating equipment |
-
2010
- 2010-09-27 CN CN 201010502269 patent/CN102059328A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1115377A (en) * | 1994-07-18 | 1996-01-24 | 新日本制铁株式会社 | Method of preventing generation of earth circulating current in induction heating apparatus for molten steel |
| JP4118588B2 (en) * | 2002-04-09 | 2008-07-16 | 株式会社アルバック | Metal ribbon casting equipment |
| CN101062520A (en) * | 2006-04-26 | 2007-10-31 | 宝山钢铁股份有限公司 | Pouring basket heating arrangement for continuous casting technology |
| CN201349338Y (en) * | 2009-02-06 | 2009-11-18 | 洛阳轴研科技股份有限公司 | Guide roller push-pull induction heater |
| CN101767196A (en) * | 2010-03-12 | 2010-07-07 | 湖南中科电气股份有限公司 | Bypass dual-channel electromagnetic refine and heating device for tundish |
| CN201799599U (en) * | 2010-09-27 | 2011-04-20 | 鞍山亚赛电磁设备有限公司 | Vertical cored dual-channel power frequency tundish heating equipment |
Non-Patent Citations (1)
| Title |
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| 《铁道标准设计》 19820331 赵缓运 "单相工频加热炉供电理论的探讨" 第8-13页 3 , 第3期 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104162641A (en) * | 2014-09-04 | 2014-11-26 | 南车戚墅堰机车车辆工艺研究所有限公司 | Device and method for preparing thermometal plane bearing workblanks |
| CN104525928A (en) * | 2015-01-22 | 2015-04-22 | 无锡巨力重工股份有限公司 | Double-nozzle external heating type intermediate tank |
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Application publication date: 20110518 |