CN2357859Y - Conticaster - Google Patents

Conticaster Download PDF

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Publication number
CN2357859Y
CN2357859Y CN 98252371 CN98252371U CN2357859Y CN 2357859 Y CN2357859 Y CN 2357859Y CN 98252371 CN98252371 CN 98252371 CN 98252371 U CN98252371 U CN 98252371U CN 2357859 Y CN2357859 Y CN 2357859Y
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CN
China
Prior art keywords
melting
conticaster
tank body
heat preservation
crystallizer
Prior art date
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Expired - Lifetime
Application number
CN 98252371
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Chinese (zh)
Inventor
李德富
胡捷
章萍芝
石瑛
卢晓军
李慧
陈剑秋
李彦利
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Beijing General Research Institute for Non Ferrous Metals
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Beijing General Research Institute for Non Ferrous Metals
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Priority to CN 98252371 priority Critical patent/CN2357859Y/en
Application granted granted Critical
Publication of CN2357859Y publication Critical patent/CN2357859Y/en
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Expired - Lifetime legal-status Critical Current

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Abstract

The utility model relates to a conticaster belonging to the technical field of metal founding machinery. The conticaster is mainly composed of a melting holding furnace, a crystallizer and a traction engine. The crystallizer is arranged on an outlet of the melting holding furnace. The melting holding furnace and the crystallizer are arranged in a tank body which is sealed. The upper part of the tank body is provided with a vacuum air pumping pipe interface, a feeding opening, a discharge opening, an electric apparatus joint and a cooling water pipe interface. The traction engine is arranged outside the discharge opening of the tank body. When the conticaster is used for continuous casting, the conticaster can prevent metal from contacting harmful gas in atmosphere during the melting and the continuous casting. The inner quality and the surface quality of a casting billet can be enhanced, and the metal utilization can be raised.

Description

Conticaster
The utility model relates to a kind of conticaster, belongs to the metal casting field of mechanical technique.
Common continuous casting is carried out in atmosphere, this common continuous casting technology incompatibility noble metal, the continuous casting requirement of Precise Alloy, because some noble metal is air-breathing easily, the easy oxidation of some Precise Alloy etc., in atmosphere when these noble metals of continuous casting, Precise Alloy, can with the pernicious gas haptoreaction in the atmosphere, make in the metal after the casting to have impurity, defectives such as pore, oxide, influence the quality of metal.In addition, noble metal, Precise Alloy require relatively stricter to composition, have many pollutants in the atmosphere, and during continuous casting, these pollutants can pollute noble metal, Precise Alloy, and metal quality is descended in atmosphere.In addition, relatively poor with common continuous casting gained cc billet surface quality, usually have defectives such as oxide skin, face crack, after generally needing to remove the epidermis of strand, just can carry out following process, do like this and reduced stock utilization, increased manufacturing cost.
The purpose of this utility model is a kind of conticaster of design, and casting process is not exposed in the middle of the atmosphere, improves strand inherent quality and surface quality.
The conticaster that the utility model is designed, mainly form by melting and heat preservation stove, crystallizer and hauling machine, crystallizer is installed on the melting and heat preservation outlet of still, melting and heat preservation stove and crystallizer are installed in the tank body of sealing, vacuum suction interface tube, charge door, discharging opening, electrical connector and cooling water pipe interface are arranged on the tank body, sealing ring is equipped with at the discharging opening place, and hauling machine is installed in outside the discharging opening of tank body.
Described conticaster has melting furnace, melting furnace is contained in the sealed shell of tank, on the tank body of installation melting furnace the vacuum suction interface tube is arranged, charge door, discharging opening, electrical connector and cooling water pipe interface, valve is equipped with at the discharging opening place, and an end of valve links with the charge door that is equipped with on the tank body of melting and heat preservation stove.
Described melting furnace is installed in the tank body that the melting and heat preservation stove is housed, and melting furnace is installed in before the melting and heat preservation stove, on the tank body between melting furnace and the melting and heat preservation stove dividing plate and valve is housed.On the tank body between melting furnace and the melting and heat preservation stove dividing plate and valve are housed.
The gas tube interface is housed on the described tank body.
Described melting furnace is or/and the melting and heat preservation stove is intermediate frequency furnace or Efco-Northrup furnace, the middle part or the bottom of its induction coil have opening, the coil-span of opening part has the spill section greater than the coil-span at other place on the coil on the coil of opening part, the coil of spill section is formed opening.
Opening part at coil is equipped with bucking coil.
Have induction coil in the outlet of described melting and heat preservation stove.
Described crystallizer is installed on the adjustable support, and adjustable support is made up of underframe, slide plate and screw rod, and vertical adjusting screw(rod), lateral adjustments screw rod and vertical adjustment screw rod are housed between slide plate and support, and crystallizer is contained on the slide plate.
In the crystallizer exit cooler is housed, cooler is made up of at least one pair of running roller and support, and running roller is contained on the support, is hollow in the middle of the running roller, and water inlet pipe and water outlet pipe is equipped with at the running roller two ends.
In the crystallization exit another kind of cooler can also be housed, cooler is made up of at least one pair of pressing plate and support, and pressing plate is a hollow, has water inlet pipe and water outlet pipe on the pressing plate, and pressing plate is rack-mount, has spring on the support, and spring is pressed on the pressing plate.
Described clamp surface has graphite cake.
Described melting furnace is or/and there are temperature transducer and temperature controller in the melting and heat preservation furnace zone.
The combined labyrinth and carbon gland that the sealing of described discharging opening is made up of packing seal.
Described conticaster has vavuum pump and valve, and vavuum pump is by valve and melting furnace is installed or/and the vacuum suction interface tube on the tank body of melting and heat preservation stove links.
Described conticaster has coiling machine.
Use the designed conticaster of the utility model, have following advantage:
1. melting and heat preservation stove, crystallizer are installed in the sealed shell of tank, and during continuous casting, the air in the tank body is taken away by vavuum pump from vacuum exhaust pipe, form vacuum state in jar.Deposite metal under vacuum state, and, pass through the crystallizer continuous casting of metals again through insulation, the metal strand that continuous casting goes out is sent tank body through the discharging opening on the tank body, sends the metal strand of tank body and is pulled out by the hauling machine traction.Because fusing, insulation, crystallization, the cooling of metal are all finished under vacuum state, avoided metal to contact with atmosphere, thereby defectives such as the oxide in the metal, pore, impurity reduce, the oxidation and the crackle of metal casting billet surface have been avoided, the inherent quality and the surface quality of metal strand have been improved, and then improved the utilization rate of metal material, and having reduced waste, this is very important to noble metal and Precise Alloy production.
2. have the gas tube interface on the tank body; can in tank body, charge into protective gas from this interface; as nitrogen, argon gas, carbon dioxide gas etc.; fusing, insulation, crystallization, the cooling of metal are carried out under the protective gas protection; can play the effect that reduces oxide, pore, impurity in the metal equally; also the metal cc billet surface quality can be improved, and the metal cooling velocity can be accelerated.Simultaneously, continuous casting under the certain pressure effect can make the densification of metal inner tissue, improves the cast metal quality.
3. can also have melting furnace in the conticaster, melting furnace can be contained in the independent tank body, and the discharging opening of this tank body links by valve and the charge door that is equipped with on the tank body of melting and heat preservation stove; Melting furnace also can be equipped with in the tank body that the melting and heat preservation stove is housed, and on the tank body between melting furnace and the melting and heat preservation stove dividing plate and valve is housed.Use above-mentioned tank structure, can make and melting furnace and the tank inner chamber that the melting and heat preservation stove is housed are housed separate mutually or is communicated with, can make the fusing of metal and be incubated continuous casting and carry out respectively.Molten metal can flow in the melting and heat preservation stove by valve in melting furnace, when molten metal carries out continuous casting in the melting and heat preservation stove, melting furnace can carry out the fusing of next stove metal, metal after the fusing flows into the melting and heat preservation stove again, can realize the work of continuous uninterrupted continuous casting like this, improve the conticaster operating efficiency.
4. melting furnace in the middle part or the lower openings of induction coil, is installed plug for outlet at opening part or/and the melting and heat preservation stove adopts intermediate frequency furnace or Efco-Northrup furnace.Use intermediate frequency furnace or Efco-Northrup furnace to make melting furnace or melting and heat preservation stove, deposite metal fast, and molten metal carried out electromagnetic agitation, make the molten metal temperature even, alloy composition is even, avoids segregation, improves metal quality, make the operation of channel when also avoiding using main frequency furnace simultaneously, make easy and simple to handle.
Can keep the temperature in exit when in the outlet of melting and heat preservation stove, having induction coil, metal liquid is flowed smoothly.
5. crystallizer is installed on the adjustable support, adjustable support is made up of underframe, slide plate and screw rod, have the screw rod of adjusting three directions on the slide plate, can make the relative base of slide plate carry out all around, three direction adjustment up and down, crystallizer is installed on the slide plate, by adjusting the position of slide plate, the crystallizer position on the slide plate is adjusted thereupon, crystallizer is correctly connected, to guarantee that continuous casting carries out smoothly with the plug for outlet of melting and heat preservation stove.
6. after crystallizer cooler can be installed, cooler has two kinds of forms, and roller type and clamping plate type, roller type are to clamp the metal strand by a pair of running roller, water flowing cooling in the running roller, and then cooling strand; Clamping plate type is to clamp the metal strand by two block pressur plates, and the metal strand slides in pressing plate, has cooling water pipe on the pressing plate, pressing plate is cooled off, and then the cooling strand.Use cooler, strand is cooled off rapidly, improve slab quality, can also avoid the sealing ring at the strand damage discharging opening place of heat.
7. melting furnace can link with temperature controller or/and have temperature transducer on the melting and heat preservation stove, and fusion temperature, holding temperature are controlled automatically.
8. conticaster can also have coiling machine, and coiling machine is installed in after the hauling machine, makes strand be rolled into volume automatically, is convenient to transport and deposit.
Fig. 1 is the structural representation of first kind of conticaster.
Fig. 2 is the structural representation of second kind of conticaster.
Fig. 3 is the structural representation of the third conticaster.
Below in conjunction with drawings and Examples the utility model is done detailed explanation.
Embodiment 1
The structural representation of the described conticaster of present embodiment is seen shown in Figure 1.
Conticaster mainly is made up of melting and heat preservation stove 1, crystallizer 2 and hauling machine 3, and melting and heat preservation stove 1 adopts resistance furnace, and resistance furnace is made up of crucible 5 and resistance wire 6, and crystallizer 2 is installed on the plug for outlet of melting and heat preservation stove 1.Melting and heat preservation stove 1 and crystallizer 2 all are installed in the tank body 7 of sealing, and vacuum suction interface tube 8 is arranged on the tank body 7, and sealing ring 9 is arranged on it, interface 8 usefulness pipelines link to each other with vavuum pump with valve (figure intermediate pump, valve do not draw).Also have charge door 10 on the tank body 7, the loam cake 11 of tank body 7 is housed on it, sealing ring 12 is arranged between the two.Electrical connector 13 is arranged on the tank body 7, and electrical connector 13 links a resistance furnace in the jar and a jar outer power supply.Also has cooling water interface 14 on the tank body 7, in order to parts such as cooler crystallizer, bodies of heater.Also have discharging opening 15 on the tank body 7, sealing ring 16 is housed on the discharging opening 15, sealing between strand 17 that continuous casting can be gone out and the tank body 7.Hauling machine 3 is housed outside discharging opening 15, strand 17 is pulled out by hauling machine 3.
During conticaster work, earlier raw material is put into the crucible 5 of melting and heat preservation stove 1, loam cake 11 is connected sealing with tank body 7, then to vacuumizing in the tank body 7, connect the heating power supply of melting and heat preservation stove 1, melting and heat preservation stove 1 heat temperature raising melts raw material, after smelter is finished, be incubated in melting and heat preservation stove 1, carry out continuous casting by crystallizer 2 again, the strand 17 that continuous casting goes out is sent tank body 7 by discharging opening 15, and enter in the hauling machine 3, by hauling machine 3 strand is pulled straight.
Embodiment 2
The structural representation of the described conticaster of present embodiment is seen shown in Figure 2.
The structure of the described conticaster of present embodiment and embodiment's 1 is basic identical, difference one is that melting and heat preservation stove 1 adopts intermediate frequency furnace, intermediate frequency furnace is made up of induction coil 4 and crucible 5, opening is arranged at the bottom of induction coil 4, have spill section 18 (seeing Fig. 2 and shown in Figure 3) on the coil of opening part, spill section 18 coils form opening, and the plug for outlet of crucible 5 is housed in the opening; The 2nd, crystallizer 2 is installed on the slide plate of adjustable support 19, vertical adjusting screw(rod) 20, lateral adjustments screw rod 21 and the vertical adjustment screw rod 22 of regulating fore-and-aft direction, left and right directions and above-below direction are arranged on the slide plate, utilize these adjusting screw(rod)s can regulate the plug for outlet position of crystallizer 2 relative crucibles 5, crystallizer 2 and plug for outlet are combined closely; The 3rd, gas tube interface 23 is arranged on the tank body 7, sealing ring 24 is arranged on it, gas tube interface 23 is not by pipe and valve and protective gas source link (protective gas source, valve draw in the drawings); The 4th, two coolers 25 are housed after crystallizer 2, two-layer coldplate 26 is up and down arranged in the cooler 25, logical cooling water is equipped with graphite cake 27 on the surface of coldplate 26 in the coldplate 26, between upper strata coldplate 26 and the support 28 spring 29 is housed; The 5th, the combination sealing 30 that the sealing of discharging opening 15 is made up of packing seal and sealing ring 16.
The operation principle of the described conticaster of present embodiment and embodiment 1 are described basic identical, and difference one is that heat temperature raising is fast owing to adopt intermediate frequency furnace to make melting and heat preservation stove 1, and fusing time is short, because function composite by electromagnetic stirring, alloy composition is even; The 2nd, have gas tube interface 23 on the tank body 7, can in tank body 7, charge into protective gas by this interface 23, can be implemented in melting and heat preservation, continuous casting work under the protective gas protection, casting speed is fast, and the strand cooling is fast, the casting blank inner organization densification, quality is good; The 3rd, have cooler 25, strand 17 is forced cooling, good cooling results; The 4th, discharging opening 15 places use combination sealing 30, strengthen the sealing property of tank body 7.
Embodiment 3
The structural representation of the described conticaster of present embodiment is seen shown in Figure 3.
The structure of the described conticaster of present embodiment and embodiment 2 are described basic identical, difference one is to have increased melting furnace 31, with melting furnace 31 be installed in melting and heat preservation stove 1 above, crystallizer 2 is installed in the plug for outlet place of melting and heat preservation stove 1, and melting furnace 31 and melting and heat preservation stove 1 all adopt Efco-Northrup furnace; The 2nd, melting furnace 31 is installed in the tank body that melting and heat preservation stove 1 is housed, in the tank body 7 between melting furnace 31 and the melting and heat preservation stove 1 dividing plate 32 is arranged, valve 33 is housed above the dividing plate 32, between the plug for outlet of melting furnace 31 and valve 33, chute 34 is arranged, be used for melting furnace 31 molten metal liquid guide flows in melting and heat preservation stove 1, when valve 33 is opened, molten metal liquid can flow in the melting and heat preservation stove 1 by valve 33, when valve 33 is closed, the two parts up and down that tank body 7 can be divided into mutual isolation, these two parts can be respectively vacuum suction interface tube 8 by separately vacuumize, also can be respectively gas tube interface 23 by separately to the tank body inflation of part separately; The 3rd, cooler 25 is made up of a pair roller 35, and roller 35 is installed on the support 28, logical cooling water in the roller 35, and roller 35 is pressed on the strand 17, and strand 17 is forced cooling; The 4th, coiling machine 36 is housed after hauling machine 3, coiling machine 36 is with strand 17 bendings and coil rolling, so that carrying; The 5th, on melting furnace 31 and melting and heat preservation stove 1, temperature transducer 37 is housed, temperature transducer 37 links with temperature controller; The 6th, at the opening part of induction coil 4 bucking coil 38 is housed; The 7th, on the plug for outlet of melting and heat preservation stove, have induction coil 39.
The operation principle of the described conticaster of present embodiment and embodiment 2 are described basic identical, difference one is to have increased melting furnace 31 in the conticaster, after melting furnace 31 has melted metal, molten metal liquid can be delivered in the melting and heat preservation stove 1 and be incubated, carry out continuous casting by crystallizer 2 again, and melting furnace 31 can melt another stove metal, melting furnace 31 is used with melting and heat preservation stove 1, can realize continuous casting uninterruptedly, improve the production efficiency of conticaster; The 2nd, on melting furnace 31 and the melting and heat preservation stove 1 temperature transducer 37 is housed, can link with temperature controller, measure and control furnace temperature automatically; The 3rd, at the opening part of induction coil 4 bucking coil 38 is housed, can the opening part of induction coil 4 because of strengthening the magnetic field of reducing, coil distance be compensated; The 4th, the induction coil at melting and heat preservation stove plug for outlet place can be heated to the plug for outlet place, safeguards the temperature at plug for outlet place, and metal liquid is flowed smoothly.

Claims (15)

1. conticaster, mainly form by melting and heat preservation stove, crystallizer and hauling machine, crystallizer is installed on the melting and heat preservation outlet of still, it is characterized in that: melting and heat preservation stove and crystallizer are installed in the tank body of sealing, vacuum suction interface tube, charge door, discharging opening, electrical connector and cooling water pipe interface are arranged on the tank body, sealing ring is equipped with at the discharging opening place, and hauling machine is installed in outside the discharging opening of tank body.
2. conticaster according to claim 1, it is characterized in that: described conticaster has melting furnace, melting furnace is contained in the sealed shell of tank, on the tank body of installation melting furnace the vacuum suction interface tube is arranged, charge door, discharging opening, electrical connector and cooling water pipe interface, valve is equipped with at the discharging opening place, and an end of valve links with the charge door that is equipped with on the tank body of melting and heat preservation stove.
3. conticaster according to claim 2 is characterized in that: melting furnace is installed in the tank body that the melting and heat preservation stove is housed, and melting furnace is installed in before the melting and heat preservation stove, on the tank body between melting furnace and the melting and heat preservation stove dividing plate and valve is housed.
4. conticaster according to claim 1 and 2 is characterized in that: the gas tube interface is housed on the tank body.
5. conticaster according to claim 1 and 2, it is characterized in that: described melting furnace is or/and holding furnace is intermediate frequency furnace or Efco-Northrup furnace, the middle part or the bottom of its induction coil have opening, the coil-span of opening part is greater than the coil-span at other place on the coil, have the spill section on the coil of opening part, the coil of spill section is formed opening.
6. conticaster according to claim 5 is characterized in that: the opening part at coil is equipped with bucking coil.
7. conticaster according to claim 5 is characterized in that: have induction coil in the outlet of melting and heat preservation stove.
8. conticaster according to claim 1 and 2, it is characterized in that: crystallizer is installed on the adjustable support, adjustable support is made up of underframe, slide plate and screw rod, and vertical adjusting screw(rod), lateral adjustments screw rod and vertical adjustment screw rod are housed between slide plate and support, and crystallizer is contained on the slide plate.
9. conticaster according to claim 1 and 2 is characterized in that: in the crystallizer exit cooler is housed, cooler is made up of at least one pair of running roller and support, and running roller is contained on the support, is hollow in the middle of the running roller, and water inlet pipe and water outlet pipe is equipped with at the running roller two ends.
10. conticaster according to claim 1 and 2 is characterized in that: in the crystallization exit cooler is housed, cooler is made up of at least one pair of pressing plate and support, pressing plate is a hollow, has water inlet pipe and water outlet pipe on the pressing plate, and pressing plate is rack-mount, have spring on the support, spring is pressed on the pressing plate.
11. conticaster according to claim 9 is characterized in that: described clamp surface has graphite cake.
12. conticaster according to claim 1 and 2 is characterized in that: described melting furnace is or/and there are temperature transducer and temperature controller in the melting and heat preservation furnace zone.
13. conticaster according to claim 1 and 2 is characterized in that: the combined labyrinth and carbon gland that the sealing of described discharging opening is made up of packing seal.
14. conticaster according to claim 1 and 2 is characterized in that: described conticaster has vavuum pump and valve, and vavuum pump is by valve and melting furnace is installed or/and the vacuum suction interface tube on the tank body of melting and heat preservation stove links.
15. conticaster according to claim 1 and 2 is characterized in that: described conticaster has coiling machine.
CN 98252371 1998-12-30 1998-12-30 Conticaster Expired - Lifetime CN2357859Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 98252371 CN2357859Y (en) 1998-12-30 1998-12-30 Conticaster

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 98252371 CN2357859Y (en) 1998-12-30 1998-12-30 Conticaster

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Publication Number Publication Date
CN2357859Y true CN2357859Y (en) 2000-01-12

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CN 98252371 Expired - Lifetime CN2357859Y (en) 1998-12-30 1998-12-30 Conticaster

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100384568C (en) * 2005-01-24 2008-04-30 上海智诚电讯材料有限公司 Control method and device for continuous metal monocrystal casting process
CN102527972A (en) * 2012-03-22 2012-07-04 吴建中 High-vacuum secondary feeding precise continuous casting device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100384568C (en) * 2005-01-24 2008-04-30 上海智诚电讯材料有限公司 Control method and device for continuous metal monocrystal casting process
CN102527972A (en) * 2012-03-22 2012-07-04 吴建中 High-vacuum secondary feeding precise continuous casting device

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