CN2089936U - Electric internal thermal reducing furnace using new smelting mg - Google Patents
Electric internal thermal reducing furnace using new smelting mg Download PDFInfo
- Publication number
- CN2089936U CN2089936U CN 91202507 CN91202507U CN2089936U CN 2089936 U CN2089936 U CN 2089936U CN 91202507 CN91202507 CN 91202507 CN 91202507 U CN91202507 U CN 91202507U CN 2089936 U CN2089936 U CN 2089936U
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- heater
- refractory materials
- internal thermal
- magnesium
- reducing furnace
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Abstract
The utility model relates to an electric internal thermal reducing furnace for smelting Mg by a new pijiang method. The utility model adopts a vertical type structure. A charging basket, a heat shield, a crystal bush, and a condensing plate for potassium and sodium are orderly arranged in the vacuum inner cavity of a furnace body. The refractory material of the middle part of the inner wall of the furnace body is extended with a boss which is supported with a heating body. The heating body is communicated with the power supply out of the furnace body. The heating body is a rare-earth Fe-Cr-Al-Mo electric furnace heating wire. The utility model has simple structure and reasonable design, causing the per ton cost of the Mg to be reduced by 30 %.
Description
The utility model relates to a kind of electric internal thermal reducing furnace of new production of magnesium by pidgeonprocess, belongs to the refining of metal equipment technical field.
Traditional production of magnesium by pidgeonprocess is with outer flame heating reduction furnace, because its inevitable shortcoming, the new Pidgeon process that is occurred by the sixties replaces gradually, so-called new Pidgeon process, i.e. electricity consumption internal heat type reduction furnace refining magnesium.The new Pidgeon process energy consumption of electric internally heated that prior art is verified is minimum, and, design the key that novel electric internal heat type reduction furnace has become new production of magnesium by pidgeonprocess.In known technology, the horizontal vacuum graphite resistance reduction furnace of existing Zhengzhou Aluminium Plant and the design of carbon element factory, Lanzhou, this technology adopts Graphite Electrodes as heating element, in actual use, the easy oxidation of graphite, aging and bump disconnected and influence production cost, in addition, the structure design of this technology is also unreasonable.
The purpose of this utility model is to provide at above-mentioned deficiency of the prior art a kind of electric internal thermal reducing furnace of new production of magnesium by pidgeonprocess simple in structure, reasonable in design.
The purpose of this utility model realizes with following technical scheme: design a kind of vertical electric furnace, in the intravital vacuum chamber of stove, top is condensation chamber, and the bottom is a reaction chamber.In the reaction chamber, the charging basket on the refractory materials that places the body of heater inner bottom part is arranged, and be extended with boss on the refractory materials in the middle part of in the body of heater, boss is supported with heating element, the power connection that heating element and body of heater are outer, and heating element is actually rare earth siderochrome aluminium molybdenum electric stove wire.A multilayer turriform thermoscreen that places on the charging basket is arranged between reaction chamber and the condensation chamber, in the reaction chamber, the crystallization cover that places on the thermoscreen is arranged, the top of condensation chamber is a potassium sodium cold plate that places crystallization to put.Water jacket is arranged at the top of furnace body outer wall.
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is a front view of the present utility model.
Fig. 2 is the utility model vertical view.
Fig. 3 is the thermoscreen synoptic diagram.
It by body of heater 16, bell 3, by ventilating pit 20 thermoscreen 9, potassium sodium cold plate 4, refractory materials, charging basket 10, crystallization cover 7, heating element 12, take out true hole 1 and form.Body of heater 16 is a round shape, adopts common A3 steel to make, and the inwall of body of heater 16 all is equipped with refractory materials, and stiffening web 19 is arranged on the outer wall of body of heater 16.Bell 3 and body of heater 16 usefulness bolts 27 fixed engagement have been formed body of heater 16 inner sealing inner chambers, and by taking out true hole 1 inner chamber that is evacuated on the bell 3, vacuum lumen is divided into reaction chamber 24 and condensation chamber 23 two portions.Wherein, the refractory materials 14 at body of heater 16 inwalls middle part is a reaction chamber 24 with the inner chamber that the refractory materials of bottom 15 is formed, at reaction chamber 24 middle parts, there is one or several charging basket 10 that piles up together to place on the refractory materials 15 of body of heater 16 inwalls bottom, charging basket 10 is the common charging basket in the known technology, be placed with bulk furnace charge 11 in the charging basket 10, in the reaction chamber 24, be extended with boss 13 on the refractory materials 14 at body of heater 16 inwalls middle part, some boss 13 makeup rings are around the circumference boss of charging basket 10, each layer circumference boss upper support has a heating element 12, and several layers circumference boss can be arranged, that is to say several heating elements 12 are arranged, the power connection outside heating element 12 and the body of heater 16 around charging basket 10.The inner chamber that the refractory materials 8 of body of heater 16 upper inside wall and bell 3 inwalls are formed is a condensation chamber 23, a thermoscreen 9 that places on the charging basket 10 is arranged between condensation chamber 23 and reaction chamber 24, in condensation chamber 23, there is a tubular crystallization cover 7 made from steel plate to place on the thermoscreen 9, and have at condensation chamber 23 tops one combine with steel plate place potassium sodium cold plate 4 on the crystallization cover 7, potassium sodium cold plate 4 is the common potassium sodium cold plate in the known technology.On the top of body of heater 16 outer walls, be provided with the hollow water jacket 5 of ring-type around condensation chamber 23, a side of water jacket 5 has water-in 6, and opposite side has water outlet 17.
Said heating element 12 is a rare earth siderochrome aluminium molybdenum electric stove wire.
On body of heater 16 outer walls, be fixed with an insulation joint case 25 with routine techniques, terminal stud 26 is arranged in the link box 25, heating element 12 is connected to terminal stud 26 and communicates with power supply.
Said thermoscreen 9 is the multilayer pyramidal structure, and each layer constitutes by accompanying high-temperature refractory fiber felt 22 between the double-layer plate 21.
Said refractory materials 8 is a silicon carbide brick, and refractory materials 14,15 is light fire brick, and boss 13 is a high alumina brick.
Also have the thermopair 18 of a WRLB model, calibration LB-2 in the link box 25 of body of heater 16 outer walls, thermopair 18 is stretched in the body of heater 16, is connected with routine techniques with heating element 12 in the body of heater 16.Be fixed with a YZ-150 vacuumometer 2 with routine techniques on bell 3, vacuumometer 2 is stretched in the vacuum lumen, communicates with vacuum lumen.
In actual the smelting, heat to 1200 degree Celsius by the bulk furnace charges 11 in 12 pairs of charging baskets of heating element in the reaction chamber 24 10, the thermal radiation that thermoscreen 9 reduces in the reaction chamber 24, simultaneously, magnesium vapor that produces and potassium sodium vapor enter condensing zone 23 by the ventilating pit 20 of thermoscreen 9, magnesium 28 is condensate on the crystallization cover 7, and potassium sodium is condensate on the potassium sodium cold plate 4.Vacuumometer 2 is used for measuring the vacuum tightness of vacuum lumen, and thermopair 18 is used for controlled temperature.And this technology makes the crystallization trend more reasonable owing to be actually a kind of vertical structure.
The utility model provides a kind of electric internal thermal reducing furnace of new production of magnesium by pidgeonprocess, and compared with prior art, the utility model is simple in structure, and is reasonable in design, can make the ton cost of magnesium descend 30%.
Claims (7)
1, a kind of electric internal thermal reducing furnace of new production of magnesium by pidgeonprocess, it is by body of heater 16, bell 3, the thermoscreen 9 that ventilating pit 20 is arranged, potassium sodium cold plate 4, heating element 12, charging basket 10, crystallization cover 7, refractory materials, taking out true hole 1 forms, wherein, the part of body of heater 16 outer walls has water jacket 5, one side of water jacket 5 has water-in 6, opposite side has water outlet 17, the inwall of body of heater 16 is equipped with refractory materials, body of heater 16 is formed the vacuum lumen of sealing with bell 3, the part of vacuum lumen is a reaction chamber 24, another part is a condensation chamber 23, taking out true hole 1 communicates with vacuum lumen, it is characterized in that the refractory materials 15 of body of heater 16 inwalls bottom and the refractory materials 14 anabolic reaction chambeies 24 at middle part, in the reaction chamber 24, the charging basket 10 that places on the refractory materials 15 of body of heater 16 inwalls bottom is arranged, and be extended with boss 13 on the refractory materials 14 of body of heater 16 inwalls middle part, boss 13 is supported with heating element 12, power connection outside heating element 12 and the body of heater 16, the refractory materials 8 of body of heater 16 upper inside wall and bell 3 inwalls are formed condensation chamber 23, a thermoscreen 9 that places on the charging basket 10 is arranged between condensation chamber 23 and the reaction chamber 24, the crystallization cover 7 that places on the thermoscreen 9 is arranged in the condensation chamber 23, condensation chamber 23 tops are one and place the potassium sodium cold plate 4 on the crystallization cover 7 that water jacket 5 is arranged at body of heater 16 outer wall tops.
2, the electric internal thermal reducing furnace of a kind of new production of magnesium by pidgeonprocess according to claim 1 is characterized in that said heating element 12 is rare earth siderochrome aluminium molybdenum electric stove wire.
3, the electric internal thermal reducing furnace of a kind of new production of magnesium by pidgeonprocess according to claim 1 and 2 is characterized in that being fixed with link box 25 on body of heater 16 outer walls, and terminal stud 26 is arranged in the link box 25, and heating element 12 communicates with power supply by terminal stud 26.
4, the electric internal thermal reducing furnace of a kind of new production of magnesium by pidgeonprocess according to claim 1 is characterized in that the refractory materials 8 of said body of heater 16 upper inside wall is silicon carbide brick.
5,, it is characterized in that said thermoscreen 9 is the multilayer pyramidal structure, and each layer constitutes by accompanying high-temperature refractory fiber felt 22 between the double-layer plate 21 according to the electric internal thermal reducing furnace of claim 1 or 2 or 4 described a kind of new production of magnesium by pidgeonprocess.
6, the electric internal thermal reducing furnace of a kind of new production of magnesium by pidgeonprocess according to claim 1 is characterized in that being fixed with a vacuumometer 2 on the bell 3, and vacuumometer 2 communicates with vacuum lumen.
7, the electric internal thermal reducing furnace of a kind of new production of magnesium by pidgeonprocess according to claim 3 is characterized in that also having thermopair 18 to link to each other with heating element 12 in the link box 25 on body of heater 16 outer walls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91202507 CN2089936U (en) | 1991-02-12 | 1991-02-12 | Electric internal thermal reducing furnace using new smelting mg |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91202507 CN2089936U (en) | 1991-02-12 | 1991-02-12 | Electric internal thermal reducing furnace using new smelting mg |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2089936U true CN2089936U (en) | 1991-12-04 |
Family
ID=4913039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91202507 Withdrawn CN2089936U (en) | 1991-02-12 | 1991-02-12 | Electric internal thermal reducing furnace using new smelting mg |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2089936U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100362119C (en) * | 2006-09-11 | 2008-01-16 | 陕西西科博尔科技有限责任公司 | Multiple heat resources-electric warming magnesium smelting apparatus and process |
| CN102212692A (en) * | 2010-04-07 | 2011-10-12 | 于飞 | High-temperature resistant nonmetallic vertical reduction tank |
| CN101221016B (en) * | 2007-01-08 | 2011-12-28 | 贵州世纪天元矿业有限公司 | Reduction kettle |
| CN101706206B (en) * | 2009-12-01 | 2012-07-04 | 开泰镁业有限公司 | Metal smelting reduction pot |
| CN103343241A (en) * | 2013-07-02 | 2013-10-09 | 宁夏太阳镁业有限公司 | Magnesium crystallizer |
| CN104197695A (en) * | 2014-07-31 | 2014-12-10 | 红安安达新材料有限责任公司 | Vacuum furnace |
-
1991
- 1991-02-12 CN CN 91202507 patent/CN2089936U/en not_active Withdrawn
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100362119C (en) * | 2006-09-11 | 2008-01-16 | 陕西西科博尔科技有限责任公司 | Multiple heat resources-electric warming magnesium smelting apparatus and process |
| CN101221016B (en) * | 2007-01-08 | 2011-12-28 | 贵州世纪天元矿业有限公司 | Reduction kettle |
| CN101706206B (en) * | 2009-12-01 | 2012-07-04 | 开泰镁业有限公司 | Metal smelting reduction pot |
| CN102212692A (en) * | 2010-04-07 | 2011-10-12 | 于飞 | High-temperature resistant nonmetallic vertical reduction tank |
| CN103343241A (en) * | 2013-07-02 | 2013-10-09 | 宁夏太阳镁业有限公司 | Magnesium crystallizer |
| CN103343241B (en) * | 2013-07-02 | 2014-06-18 | 宁夏太阳镁业有限公司 | Magnesium crystallizer |
| CN104197695A (en) * | 2014-07-31 | 2014-12-10 | 红安安达新材料有限责任公司 | Vacuum furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| 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 |