CN103060734A - Coreless zinc pot for galvanization production line - Google Patents
Coreless zinc pot for galvanization production line Download PDFInfo
- Publication number
- CN103060734A CN103060734A CN2012105857708A CN201210585770A CN103060734A CN 103060734 A CN103060734 A CN 103060734A CN 2012105857708 A CN2012105857708 A CN 2012105857708A CN 201210585770 A CN201210585770 A CN 201210585770A CN 103060734 A CN103060734 A CN 103060734A
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- Prior art keywords
- coreless
- crucible
- pot
- production line
- zinc
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- 239000011701 zinc Substances 0.000 title claims abstract description 59
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 title claims abstract description 58
- 229910052725 zinc Inorganic materials 0.000 title claims abstract description 58
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 28
- 239000011819 refractory material Substances 0.000 claims abstract description 7
- 239000011449 brick Substances 0.000 claims description 9
- 239000003990 capacitor Substances 0.000 claims description 9
- 239000003818 cinder Substances 0.000 claims description 3
- 239000004927 clay Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000006698 induction Effects 0.000 abstract description 10
- 239000007788 liquid Substances 0.000 abstract description 10
- 238000010438 heat treatment Methods 0.000 abstract description 6
- -1 aluminum-zinc-silicon Chemical compound 0.000 abstract description 5
- 238000003756 stirring Methods 0.000 abstract description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 11
- 229910052710 silicon Inorganic materials 0.000 description 11
- 239000010703 silicon Substances 0.000 description 11
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005246 galvanizing Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 238000005269 aluminizing Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- General Induction Heating (AREA)
Abstract
The invention discloses a coreless zinc pot for a galvanization production line. The coreless zinc pot comprises a pot body, an induction coil and a shield unit. The pot body comprises a crucible and a pot housing. The crucible is built from a refractory material and has a cylindrical shape. The pot housing is a cylinder of which the diameter is greater than the external diameter of the crucible and surrounds the crucible. The induction coil is wound on the side wall of the crucible. The induction coil is connected to an external VIP power supply. The shield unit comprises multiple shield components uniformly arranged between the induction coil and the pot housing. The coreless zinc pot for a galvanization production line can produce an alternating magnetic field in the induction coil by an alternating current, realizes induction heating of a zinc liquid in the crucible in the alternating magnetic field, and produces induction power for stirring thereby realizing uniformization of a temperature of an aluminum-zinc-silicon solution.
Description
Technical field
The present invention relates to a kind of for the coreless zinc pot on the galvanization production line.
Background technology
Along with galvanizing production is used in every profession and trade more and more widely, particularly aluminize, the extensive utilization of the product of zinc, silicon, owing to aluminize, zinc, silicon has very high corrosion resistance, and lower material cost and superior appearance characteristics so that aluminize, zinc, silicon product obtains significant progress in fields such as building, household electrical appliances, automobile, traffic.
Aluminize, zinc, silicon product have that following technical feature and characteristics: a. aluminizes, zinc, silicon solution have very strong corrodibility; B. require to aluminize, zinc, silicon solution temperature is more than 600 ℃; C. require to aluminize, the temperature fluctuation of zinc, silicon solution is less than ± 1 ℃; D. aluminize, zinc, the easy slagging scorification of silicon solution; E. aluminize, the unit volume solution heating power of zinc, silicon is large.
Zinc-plated zinc pot is the key equipment of steel industry galvanization production line, and at present the galvanizing equipment of steel industry adopts channel formula inductor block to come the zinc liquid in the zinc pot is heated and is incubated mostly.This traditional applicable features of zinc pot is generally 460 ℃ molten zinc temperature, and the poor fluidity of zinc liquid in the zinc pot, zinc pot inductor block need permanent energising, and the refractory life of zinc pot is short, and the product that the use field is fit to is single.
The defective that traditional channel formula zinc pot exists has: the inductor block life-span seriously shortens, and the channel of inductor block stops up easily and reaches because high temperature and the corrodibility of aluminium, silicon, zinc liquid are leaked zinc easily; Simultaneously, adopt traditional inductor block Heating Zn liquid, there is the larger temperature difference in the upper and lower layer temperature that can occur zinc liquid in zinc pot inside, and zinc liquid skin and internal layer also have the temperature difference.Consider the restriction of the maximum design power of traditional inductor coil, aluminizing, just needing a plurality of inductor blocks could satisfy the technique power requirement on the zinc, silicon project, so not only increase the unstable of equipment, also needed larger space to satisfy the arrangement of equipment simultaneously.
Summary of the invention
The objective of the invention is in order to overcome the deficiencies in the prior art, provide a kind of for the coreless zinc pot on the galvanization production line, it produces alternating magnetic field by exchange current in ruhmkorff coil, make the zinc liquid induction heating in alternating magnetic field in the crucible, and produce induced electromotive force and produce stirring action, so that aluminium zinc silicon solution temperature is more even.
The technical scheme that realizes above-mentioned purpose is: a kind of for the coreless zinc pot on the galvanization production line, comprise a pot body, ruhmkorff coil and screen unit, wherein, described pot body comprises crucible and shell, described crucible is formed and cylindrical by refractory material laying, and described shell is diameter greater than the cylinder of the external diameter of described crucible and holds around outside at described crucible; Described ruhmkorff coil is wrapped on the sidewall of described crucible, and this ruhmkorff coil connects outside VIP power supply; Described screen unit comprises some shielding elements that are located in uniform way between described ruhmkorff coil and the described shell.
The above-mentioned coreless zinc pot that is used on the galvanization production line, wherein, described VIP power supply comprises bridge rectifier, filter unit, inversion unit, afterflow unit and resonance capacitor bank in parallel successively; One end of described ruhmkorff coil is connected with inversion unit, and the other end of described ruhmkorff coil is connected with described resonant capacitance group.
The above-mentioned coreless zinc pot that is used on the galvanization production line, wherein, described inversion unit comprises the inverter thyristor of two series connection; Described resonant capacitance group comprises the resonant capacitance of two series connection; Described bridge rectifier comprises several interconnective rectification thyristors; Described filter unit comprises filter inductance and the filter capacitor of series connection, and described filter inductance is connected between described bridge rectifier and the inversion unit, and described filter capacitor is connected in parallel on described inversion unit two ends; Described afterflow unit comprises the fly-wheel diode of two parallel connections; One end of described ruhmkorff coil is connected between two inverter thyristors, and the other end is connected between two resonant capacitances.
The above-mentioned coreless zinc pot that is used on the galvanization production line, wherein, each described shielding element is overrided to form by the multi-disc silieonized plate, and each shielding element leans against the peripheral of described ruhmkorff coil by the yoke insulating trip and is fixed on the described shell by adjusting bolt and nut.
The above-mentioned coreless zinc pot that is used on the galvanization production line, wherein, the periphery of described ruhmkorff coil also is provided with some coil supports in uniform way.
The above-mentioned coreless zinc pot that is used on the galvanization production line, wherein, the bottom of described crucible has also been built the bottom furnace lining by laying bricks or stones, and this bottom furnace lining comprises light cinder brick and clay brick;
The above-mentioned coreless zinc pot that is used on the galvanization production line wherein, is provided with the pot mouthful lining that is formed by refractory material laying between the oral area outer wall of described crucible and the mouth inner wall of shell.
The above-mentioned coreless zinc pot that is used on the galvanization production line, wherein, described pot body also comprises the upper end plate that is fixed on described shell top by screw rod.
Technical scheme for the coreless zinc pot on the galvanization production line of the present invention, adopt columnar pot body, sidewall at the pot body twines ruhmkorff coil, and connect the exchange current that is fit to the frequency that zincincation requires on the ruhmkorff coil, this exchange current produces alternating magnetic field in ruhmkorff coil, make the zinc liquid induction heating in alternating magnetic field in the crucible, and produce induced electromotive force and produce stirring action, so that aluminium zinc silicon solution temperature is more even.Can satisfy the energy resource supply of whole plant once cover VIP power supply, save the space.Changed in the past in powerful situation, the zinc pot needs the situation of a plurality of inductor blocks, and stopped will cause to equipment the drawback of extensive damage because power failure is powered to inductor block, as: the cracking leakage that the inductor block channel stops up, channel local temperature height causes etc.
Description of drawings
Fig. 1 is the synoptic diagram for the coreless zinc pot on the galvanization production line of the present invention;
Fig. 2 is that the A-A of Fig. 1 is to view;
Fig. 3 is the schematic diagram of the VIP power supply that connects for the coreless zinc pot on the galvanization production line of the present invention.
Embodiment
In order to understand technical scheme of the present invention better, also be elaborated by reference to the accompanying drawings below by specific embodiment:
See also Fig. 1 and Fig. 2, of the present invention a kind of for the coreless zinc pot on the galvanization production line, comprise pot body 1, ruhmkorff coil 2 and screen unit.
The pot body comprises crucible 11, shell 12, bottom furnace lining 13 and pot mouthful lining 14 and upper end plate 15, and wherein, crucible 11 is formed by refractory material laying and be cylindrical, shell 12 for diameter greater than the cylinder of the external diameter of crucible 11 and hold around outside at crucible 11; Bottom furnace lining 13 is built by laying bricks or stones in the bottom of crucible 11 and is used for insulation, and this bottom furnace lining 13 comprises light cinder brick and clay brick; A pot mouthful lining 14 is located between the mouth inner wall of the oral area outer wall of crucible 11 and shell 12, is used for support crucible 11 and heat-blocking action, and this pot mouth lining 14 is also formed by refractory material laying; Upper end plate 15 is fixed on the top of shell 12 and pot mouthful lining 14 by screw rod 16.
Ruhmkorff coil 2 is wrapped on the sidewall of crucible 11, and the periphery of this ruhmkorff coil 2 also is provided with some coil supports 20 in uniform way, and this ruhmkorff coil 2 connects outside VIP power supply.
Screen unit comprises some shielding elements 30 that are located in uniform way between ruhmkorff coil 2 and the shell 12.Each shielding element 30 is overrided to form by the multi-disc silieonized plate, and each shielding element 30 leans against the peripheral of ruhmkorff coil 2 by yoke insulating trip 31 and is fixed on the shell 12 by adjusting bolt 32 and nut 33.The magnetic field shielding that screen unit can produce ruhmkorff coil 2 is in furnace shell.
See also again Fig. 3, the VIP power supply that ruhmkorff coil on the coreless zinc pot of the present invention connects is the voltage feedback series resonant circuit, and this VIP power supply comprises bridge rectifier 21, filter unit 22, inversion unit 23, afterflow unit 24 and resonance capacitor bank 25 in parallel successively; Wherein, bridge rectifier 21 comprises several interconnective rectification thyristors 210; Inversion unit 23 comprises the inverter thyristor 230 of two series connection; Resonant capacitance group 25 comprises the resonant capacitance 250 of two series connection; Filter unit 22 comprises filter inductance 221 and the filter capacitor 222 of series connection, and described filter inductance 221 is connected between bridge rectifier 21 and the inversion unit 23, and filter capacitor 22 is connected in parallel on inversion unit 23 two ends; Afterflow unit 24 comprises the fly-wheel diode 240 of two parallel connections; One end of ruhmkorff coil 2 is connected between two inverter thyristors 230, and the other end is connected between two resonant capacitances 250, thereby effectively reduces harmonic content.
By the foregoing circuit structure as can be known, the ruhmkorff coil 2 of the exchange current that VIP power supply output is fit to the frequency that zincincation requires to the outer side wall that is wrapped in crucible 11, this exchange current is at ruhmkorff coil 2 interior generation alternating magnetic fields, make the zinc liquid induction heating in alternating magnetic field in the crucible 11, and produce induced electromotive force and produce stirring action, so that aluminium zinc silicon solution temperature is more even.
Other VIP power acquisition voltage feedback series resonant circuit, conversion efficiency is up to more than 97.5%, no matter the size of output rating, power factor is not less than 0.95 all the time.
Those of ordinary skill in the art will be appreciated that, above embodiment illustrates the present invention, and be not to be used as limitation of the invention, as long as in connotation scope of the present invention, all will drop in claims scope of the present invention variation, the modification of the above embodiment.
Claims (8)
1. a coreless zinc pot that is used on the galvanization production line comprises a pot body, ruhmkorff coil and screen unit, it is characterized in that,
Described pot body comprises crucible and shell, and described crucible is formed by refractory material laying and be cylindrical, and described shell is diameter greater than the cylinder of the external diameter of described crucible and holds around outside at described crucible;
Described ruhmkorff coil is wrapped on the sidewall of described crucible, and this ruhmkorff coil connects outside VIP power supply;
Described screen unit comprises some shielding elements that are located in uniform way between described ruhmkorff coil and the described shell.
2. according to claim 1ly it is characterized in that for the coreless zinc pot on the galvanization production line that described VIP power supply comprises bridge rectifier, filter unit, inversion unit, afterflow unit and resonance capacitor bank in parallel successively; One end of described ruhmkorff coil is connected with inversion unit, and the other end is connected with described resonant capacitance group.
3. according to claim 2 for the coreless zinc pot on the galvanization production line, it is characterized in that described inversion unit comprises the inverter thyristor of two series connection; Described resonant capacitance group comprises the resonant capacitance of two series connection; Described bridge rectifier comprises several interconnective rectification thyristors; Described filter unit comprises filter inductance and the filter capacitor of series connection, and described filter inductance is connected between described bridge rectifier and the inversion unit, and described filter capacitor is connected in parallel on described inversion unit two ends; Described afterflow unit comprises the fly-wheel diode of two parallel connections; One end of described ruhmkorff coil is connected between two inverter thyristors, and the other end of described ruhmkorff coil is connected between two resonant capacitances.
4. according to claim 1 for the coreless zinc pot on the galvanization production line, it is characterized in that, each described shielding element is overrided to form by the multi-disc silieonized plate, and each shielding element leans against the peripheral of described ruhmkorff coil by the yoke insulating trip and is fixed on the described shell by adjusting bolt and nut.
5. according to claim 1ly it is characterized in that for the coreless zinc pot on the galvanization production line periphery of described ruhmkorff coil also is provided with some coil supports in uniform way.
6. according to claim 1ly it is characterized in that for the coreless zinc pot on the galvanization production line that the bottom of described crucible has also been built the bottom furnace lining by laying bricks or stones, this bottom furnace lining comprises light cinder brick and clay brick.
7. according to claim 1ly it is characterized in that for the coreless zinc pot on the galvanization production line, be provided with the pot mouthful lining that is formed by refractory material laying between the oral area outer wall of described crucible and the mouth inner wall of shell.
8. according to claim 1ly it is characterized in that for the coreless zinc pot on the galvanization production line that described pot body also comprises the upper end plate that is fixed on described shell top by screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105857708A CN103060734A (en) | 2012-12-28 | 2012-12-28 | Coreless zinc pot for galvanization production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105857708A CN103060734A (en) | 2012-12-28 | 2012-12-28 | Coreless zinc pot for galvanization production line |
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| Publication Number | Publication Date |
|---|---|
| CN103060734A true CN103060734A (en) | 2013-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012105857708A Pending CN103060734A (en) | 2012-12-28 | 2012-12-28 | Coreless zinc pot for galvanization production line |
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| Country | Link |
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| CN (1) | CN103060734A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111780549A (en) * | 2020-07-07 | 2020-10-16 | 苏州振湖电炉有限公司 | Large-capacity multifunctional variable-frequency induction aluminum alloy smelting furnace |
| CN112143997A (en) * | 2020-09-17 | 2020-12-29 | 无锡应达工业有限公司 | A melt channel formula air-cooled cored induction pot for on zinc-aluminium magnesium coating production line |
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| EP0439900A2 (en) * | 1990-01-31 | 1991-08-07 | Inductotherm Corp. | Induction heating apparatus and method |
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| CN201616768U (en) * | 2010-05-13 | 2010-10-27 | 应达工业（上海）有限公司 | Intermediate-frequency power circuit |
| CN102080931A (en) * | 2010-12-21 | 2011-06-01 | 黄喜锤 | High frequency induction aluminum melting furnace for die casting of aluminum |
| CN202329109U (en) * | 2011-11-29 | 2012-07-11 | 西安动化实业有限公司 | Carbon-fiber high-temperature induction heating electric furnace |
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-
2012
- 2012-12-28 CN CN2012105857708A patent/CN103060734A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0439900A2 (en) * | 1990-01-31 | 1991-08-07 | Inductotherm Corp. | Induction heating apparatus and method |
| CN1389700A (en) * | 2002-05-20 | 2003-01-08 | 徐晓亮 | Inducing smelting furnace with composite shell |
| CN201616768U (en) * | 2010-05-13 | 2010-10-27 | 应达工业（上海）有限公司 | Intermediate-frequency power circuit |
| CN102080931A (en) * | 2010-12-21 | 2011-06-01 | 黄喜锤 | High frequency induction aluminum melting furnace for die casting of aluminum |
| CN102564125A (en) * | 2011-04-20 | 2012-07-11 | 泰州杰利瑞节能科技发展有限公司 | Ultrasonic-frequency induction heating smelting furnace |
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Non-Patent Citations (2)
| Title |
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| 李荣华等: "新型内加热式陶瓷浸镀锅的研制与应用", 《金属制品》 * |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111780549A (en) * | 2020-07-07 | 2020-10-16 | 苏州振湖电炉有限公司 | Large-capacity multifunctional variable-frequency induction aluminum alloy smelting furnace |
| CN112143997A (en) * | 2020-09-17 | 2020-12-29 | 无锡应达工业有限公司 | A melt channel formula air-cooled cored induction pot for on zinc-aluminium magnesium coating production line |
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Application publication date: 20130424 |