CN101509727A - Combination metallurgical furnace for producing zinc alloy and zinc alloy combination producing method - Google Patents
Combination metallurgical furnace for producing zinc alloy and zinc alloy combination producing method Download PDFInfo
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- CN101509727A CN101509727A CNA2009100942346A CN200910094234A CN101509727A CN 101509727 A CN101509727 A CN 101509727A CN A2009100942346 A CNA2009100942346 A CN A2009100942346A CN 200910094234 A CN200910094234 A CN 200910094234A CN 101509727 A CN101509727 A CN 101509727A
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Abstract
The invention provides a combined metallurgical furnace and a combined production method for zinc alloy, comprising a cored line-frequency induction furnace (2) and at least two line-frequency coreless induction furnaces (7) with dumping devices (13); a convertible chute (6) is connected between a liquid outlet of the cored line-frequency induction furnace and a liquid inlet (14) of the line-frequency coreless induction furnaces; and a casting mechanism (9) is arranged correspondingly to a sprue (8) of the line-frequency coreless induction furnaces. The production method comprises the steps as follows: the zinc liquid which is melted in the cored line-frequency induction furnace is injected into each line-frequency coreless induction furnace in turn by the convertible chute and is then mixed with the middle alloy liquid which is smelted in advance in the line-frequency coreless induction furnaces; the non-contact melt mixing is realized by the electromagnetic induction force of the line-frequency coreless induction furnaces, thus preparing the zinc alloy ingot by pouring the zinc alloy liquid. The combined metallurgical furnace and the combined production method have high production efficiency, high yield, good quality of the produced zinc alloy, low energy consumption and small damage to the furnace body.
Description
Technical field
The invention belongs to the production equipment and the technology field of nonferrous metal product deep process technology field, especially kirsite.
Background technology
In recent years, the production of China's metallic zinc all occupies first place in the world with consumption, and demand is also rising year by year.According to the consumption structure analysis of world's zinc in 2006,50% of global 0# zinc is used for aseptic technic fields such as hot-dip galvanized alloy, and the hot-dip galvanized alloy market potential is huge.
Existing kirsite production equipment and technology are very simple, the zinc smeltery normally will be used to melt the high-power core-type induction furnace of zinc metal sheet and transform, in the furnace roof central openings, install a cover additional and stretch into the interior mechanical stirring device of stove, set up an intermediate frequency furnace in addition again and prepare intermediate alloy, through metering the intermediate alloy liquid of intermediate frequency furnace preparation is allocated in the zinc liquid of high-power electric induction furnace fusing, mixed, casting can be produced and be obtained ZINC ALLOY.The characteristics of this production technology are that technology is simple, transform easily, are extensively adopted by industry.But this technology has the following disadvantages at least:
1, production efficiency is not high, and production capacity is limited.
(1) according to the heat characteristic of core-type induction furnace, electric furnace will have the melting initiator could operate as normal, promptly limits the minimum altitude of stove inner metal liquid face, guarantees the induction groove that molten metal can the submergence inductor.Therefore, whenever prepare a stove kirsite liquation about 1/3 (being that the residual metallic liquid level guarantees opening more than the molten height) of can only casting, just must add the zinc metal sheet fusing, prepare next stove again, surplus liquid has also increased the difficulty of accurate next stove of preparation, the production capacity of restriction electric induction furnace.
(2) batch (-type) fusing.When carrying out the preparation of alloy liquid, stirring and on-the-spot sample analysis, can only stop heating or insulation, the continuous melting advantage performance of Giant Power Electromagnetic Induction Furnace is not come out, and frequent, the troublesome poeration of mechanical stirring device turnover has increased energy consumption indirectly, influences production efficiency.
2, the uniformity of alloying component is undesirable, and product quality is limited.
In order to reduce influence to the thermal efficiency, can not be excessive in the aperture of electric induction furnace furnace roof institute perforate, limited the stirring vane diameter of mechanical stirring device, make the stirring scope of blade less.And stirring among a small circle is limited for the influence of burner hearth, cause stir insufficient, in addition blade increase the iron effect, to the uniformity of alloy liquid composition and and iron content control all bring negative effect.
3, change trouble of production alloy kind, effective production time is limited.
Need to change when producing the alloy kind, prepurging is a bothersome job consuming time to big capacity core-type induction furnace.Change or when adding alloying element, prepurging needs working continuously of long period just can finish, the direct effective production time of limit production system has increased the energy consumption of alloy indirectly.
4, furnace temperature fluctuation is big, and electrical equipment and furnace life are all had adverse effect.
When emitting alloy liquid when adding a large amount of zinc metal sheet, temperature is minimum, needs high-power intensification; When allocating intermediate alloy into, temperature need be raised to the highest, all is being unfavorable for control aspect energy consumption and the iron loss, and the thermal shock that frequent lifting furnace temperature causes directly influences service life of body of heater.
Summary of the invention
Purpose of the present invention provides in order to solve the deficiencies in the prior art just that a kind of kirsite composition of realizing continuous production, production efficiency height, production capacity height, production is even, quality good, the cast alloy is convenient and safe, is convenient to prepurging, energy consumption is low, production process is easy to control and to the combination metallurgical furnace of the less production kirsite of body of heater infringement, the present invention also provides a kind of combination production method of kirsite.
The objective of the invention is to be achieved through the following technical solutions.
A kind of combination metallurgical furnace of producing kirsite, comprise a line-frequency coreless induction furnace that core line frequency furnace and at least two band tilting devices are arranged, be connected with convertible chute between the inlet of liquid outlet that the core line frequency furnace is arranged and line-frequency coreless induction furnace, the cast gate of corresponding line-frequency coreless induction furnace is provided with casting mechanism.
Tilting device of the present invention is the hydraulic pressure tilting device, and its maximum dump angle is 95 °.
A kind of combination production method of kirsite, this method adopts a line-frequency coreless induction furnace by at least two bands of core line frequency furnace configuration tilting devices that is used to melt zinc metal sheet to form the satellite furnace system, the zinc liquid that will melt in the core line frequency furnace is arranged by convertible chute injects in each line-frequency coreless induction furnace in turn, with in advance in line-frequency coreless induction furnace melted intermediate alloy liquid mix, electromagnetic induction power by line-frequency coreless induction furnace realizes that the non-contact type melt stirs, make zinc liquid, again by driving tilting device upset line-frequency coreless induction furnace, zinc liquid is poured onto casting mechanism from the cast gate of line-frequency coreless induction furnace obtains ZINC ALLOY.
The maximum dump angle of the present invention's tilting device in casting process is 95 °.
The present invention compared with prior art has the following advantages at least:
1, combination metallurgical furnace of the present invention has given full play to that core line frequency furnace continuous melting ability is strong, firing rate is fast, and the characteristics that power factor is high can guarantee round-the-clock supply zinc liquid; By convertible chute the zinc liquid that melts is alternately injected line-frequency coreless induction furnace, and adopt tilting device to drive the coreless induction zinc-melting furnace and cast, the formation streamline is produced, and the continuously molten zinc of realization, intersection batching, alloying, cast alloys segmentation are worked continuously, and increase substantially production capacity.
2, the present invention uses the contactless stirring replacement of the electromagnetism mechanical agitation of line-frequency coreless induction furnace, make that alloy melts, mixed process is more thorough, and avoided the mechanical agitation blade to increase the iron pollution that the iron effect is brought, the all even stability of product composition is significantly promoted, and especially the galvanizing production advantage that iron content is had relatively high expectations is fairly obvious.Guaranteed the alloy product steady quality technically.
3, line-frequency coreless induction furnace has tilting device, makes alloy liquid topple over, discharge convenient, safety, clean.
Tilting device can stably overturn line frequency coreless induction furnace to topple over automatically finishes cast or discharging, convenient and safety.Dumpable angle maximum can reach 95 °, alloy liquid topple over and discharge thoroughly, not residual, effectively stop alloy and pollute mutually.Every line-frequency coreless induction furnace can independently be produced and not interact in addition, has saved the prepurging time of changing kind, prolongs effective production time, thereby reaches the purpose of volume increase consumption reduction.
4, need not lifting furnace temperature continually in the production process, can prolong the service life of body of heater greatly.
The present invention will have the melted zinc liquid of core line frequency furnace to inject in the line-frequency coreless induction furnace, with in advance in line-frequency coreless induction furnace melted intermediate alloy liquid mix, the duty of each electric furnace is relatively all more stable, furnace temperature fluctuation is less, need not lifting furnace temperature continually, can prolong the service life of body of heater greatly.
The present invention is the several technical process segmentation of molten zinc, alloying and casting operation, combination, fully the advantage of the different type of furnaces of utilization is optimized combination, obtain more science, equipment and Process configuration efficiently, reach and improve the quality of products, simplify technological operation, be convenient to process control, enhance productivity and energy saving purposes.Mechanization of the present invention, automatization level height have reduced labor strength, have improved security.
Further set forth content of the present invention below in conjunction with Figure of description and embodiment.
Description of drawings
Fig. 1 is a schematic diagram of the present invention.
The specific embodiment
As shown in the figure, combination metallurgical furnace of the present invention comprises a line-frequency coreless induction furnace 7 that core line frequency furnace 2 and at least two band tilting devices 13 are arranged, and connects convertible chute 6 between the inlet 14 of liquid outlet 5 that core line frequency furnace 2 is arranged and line-frequency coreless induction furnace 7.According to the production capacity demand, there are the selection and the configuration of core line frequency furnace 2 and line-frequency coreless induction furnace 7 to determine flexibly, for example adopt that 45t is high-power to form the satellite furnace system by two 10t line-frequency coreless induction furnaces of core line frequency furnace configuration, use 45t that the round-the-clock molten zinc of core line frequency furnace is arranged, by convertible chute zinc liquid is injected two 10t mains-frequency coreless induction furnaces in turn, in turn alloyage liquid in the 10t line-frequency coreless induction furnace.The cast gate 8 of corresponding line-frequency coreless induction furnace is provided with casting mechanism 9.Tilting device 13 adopts the hydraulic pressure tilting device, and stable to guarantee toppling over action, its maximum dump angle is 95 °.This Process configuration can realize continuous production, and produces multiple different trade mark zinc alloy product.
Production process is as follows: negative electrode zinc metal sheet 1 is had from charge door 3 addings to be fused into zinc liquid 4 the core line frequency furnace 2 earlier.According to the kirsite trade mark composition of being produced, calculate the addition of intermediate alloy 12 simultaneously, intermediate alloy 12 is added fusing in the line-frequency coreless induction furnace 7.When needs are produced kirsite, zinc liquid 4 is emitted from liquid outlet 5, be put in the line-frequency coreless induction furnace 7 through conversion chute 6, zinc liquid fully mixes the realization alloying with intermediate alloy liquid under the function composite by electromagnetic stirring of line-frequency coreless induction furnace 7, obtains zinc liquid.The present invention is in producing the kirsite process, and zinc metal sheet is having core line frequency furnace 2 to melt, and the kirsite melt that zinc liquid mixes with intermediate alloy liquid evenly mixes at line-frequency coreless induction furnace 7.The thawing of zinc metal sheet with mix branch and finish for two sections.
After furnace temperature was raised to desired temperature, control hydraulic pressure tilting device 13 was toppled over line-frequency coreless induction furnace 7, and zinc liquid is in casting mechanism 9 is poured into ingot mould 10, and the cooling back demoulding is an output ZINC ALLOY 11.
Claims (4)
1, a kind of combination metallurgical furnace of producing kirsite, it is characterized in that, comprise a line-frequency coreless induction furnace (7) that core line frequency furnace (2) and at least two band tilting devices (13) are arranged, be connected with convertible chute (6) between the inlet (14) of liquid outlet that core line frequency furnace (2) are arranged (5) and line-frequency coreless induction furnace (7), the cast gate of corresponding line-frequency coreless induction furnace (8) is provided with casting mechanism (9).
2, a kind of combination metallurgical furnace of producing kirsite according to claim 1 is characterized in that described tilting device (13) is the hydraulic pressure tilting device, and its maximum dump angle is 95 °.
3, a kind of combination production method of kirsite, it is characterized in that, this method adopts line-frequency coreless induction furnace (a 7) composition satellite furnace system that core line frequency furnace (2) configuration at least two bands tilting device (13) is arranged that is used to melt zinc metal sheet, the zinc liquid (4) that will melt in core line frequency furnace (2) is arranged by convertible chute (6) injects in each line-frequency coreless induction furnace (7) in turn, with in advance in line-frequency coreless induction furnace (7) melted intermediate alloy liquid mix, electromagnetic induction power by line-frequency coreless induction furnace (7) realizes that the non-contact type melt stirs, make zinc liquid, again by driving tilting device (13) upset line-frequency coreless induction furnace (7), zinc liquid is poured onto casting mechanism (9) from the cast gate (8) of line-frequency coreless induction furnace (7) obtains ZINC ALLOY.
4, the combination production method of a kind of kirsite according to claim 3 is characterized in that, the maximum dump angle of tilting device in casting process (13) is 95 °.
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| CNA2009100942346A CN101509727A (en) | 2009-03-18 | 2009-03-18 | Combination metallurgical furnace for producing zinc alloy and zinc alloy combination producing method |
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| CNA2009100942346A CN101509727A (en) | 2009-03-18 | 2009-03-18 | Combination metallurgical furnace for producing zinc alloy and zinc alloy combination producing method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106288784A (en) * | 2016-08-03 | 2017-01-04 | 郁南县永光电池材料实业有限公司 | The integrated poured zinc-melting furnace of power frequency cored sensing |
| CN106636713A (en) * | 2016-12-13 | 2017-05-10 | 常州大学 | Zinc alloy liquid high-efficiency gas and slag removing method |
| CN106670443A (en) * | 2017-01-18 | 2017-05-17 | 芜湖龙兴合金有限公司 | Thermal-insulation weighing casting method for abrasion-resistant zinc-based alloy |
| CN106766916A (en) * | 2016-12-02 | 2017-05-31 | 中铁建电气化局集团康远新材料有限公司 | Non-vacuum melting device |
| CN109881045A (en) * | 2019-04-02 | 2019-06-14 | 云南驰宏资源综合利用有限公司 | A kind of method of admiro melting and casting |
| CN112551257A (en) * | 2020-10-27 | 2021-03-26 | 佛山市三水凤铝铝业有限公司 | Titanium wire conveying device |
-
2009
- 2009-03-18 CN CNA2009100942346A patent/CN101509727A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106288784A (en) * | 2016-08-03 | 2017-01-04 | 郁南县永光电池材料实业有限公司 | The integrated poured zinc-melting furnace of power frequency cored sensing |
| CN106288784B (en) * | 2016-08-03 | 2018-08-24 | 郁南县永光电池材料实业有限公司 | The power frequency cored integrated poured zinc-melting furnace of induction |
| CN106766916A (en) * | 2016-12-02 | 2017-05-31 | 中铁建电气化局集团康远新材料有限公司 | Non-vacuum melting device |
| CN106766916B (en) * | 2016-12-02 | 2019-04-16 | 中铁建电气化局集团康远新材料有限公司 | Non-vacuum melting device |
| CN106636713A (en) * | 2016-12-13 | 2017-05-10 | 常州大学 | Zinc alloy liquid high-efficiency gas and slag removing method |
| CN106636713B (en) * | 2016-12-13 | 2018-06-08 | 常州大学 | A kind of zinc liquid high-efficiency degasification deslagging method |
| CN106670443A (en) * | 2017-01-18 | 2017-05-17 | 芜湖龙兴合金有限公司 | Thermal-insulation weighing casting method for abrasion-resistant zinc-based alloy |
| CN106670443B (en) * | 2017-01-18 | 2018-08-17 | 芜湖龙兴合金有限公司 | A kind of abrasion-proof zinc-base alloy heat preservation weighing casting method |
| CN109881045A (en) * | 2019-04-02 | 2019-06-14 | 云南驰宏资源综合利用有限公司 | A kind of method of admiro melting and casting |
| CN112551257A (en) * | 2020-10-27 | 2021-03-26 | 佛山市三水凤铝铝业有限公司 | Titanium wire conveying device |
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