CN102618733A - Smelting recovery method for pure titanium waste blocks - Google Patents

Smelting recovery method for pure titanium waste blocks Download PDF

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CN102618733A
CN102618733A CN201210082075XA CN201210082075A CN102618733A CN 102618733 A CN102618733 A CN 102618733A CN 201210082075X A CN201210082075X A CN 201210082075XA CN 201210082075 A CN201210082075 A CN 201210082075A CN 102618733 A CN102618733 A CN 102618733A
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electron
gun
ingot
melting
gip
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CN201210082075XA
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CN102618733B (en
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刘茵琪
朱俊杰
曹恒
陈志强
包淑娟
王树军
顾新盛
贾祥亚
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洛阳双瑞精铸钛业有限公司
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

Abstract

The invention discloses a smelting recovery method for pure titanium waste blocks, which includes: using an electronic beam cold hearth furnace with six electron guns, loading materials with selected ingredients into a feeder of the electronic beam cold hearth furnace for smelting, cooling ingots obtained and discharging the ingots to obtain finished products. Reclaimed material TA1 is directly used for smelting, so that waste breakage is avoided. Electrode blocks are pressed, and electrodes are welded. 9 single-ingot bars of a total weight about 6.5t can be smelted on each single device each day, 18 double-ingot bars of a total weight about 13t can be smelted on each single device each day, and recovery efficiency and speed are increased greatly.

Description

The melting recovery method of the block waste material of a kind of pure titanium
Technical field
The present invention relates to a kind of materials processing technology, the melting recovery method of the block waste material of particularly a kind of pure titanium.
Background technology
The titanium material is widely used in industrial sectors such as chemical industry, oil, metallurgy, electric power, boats and ships, and as the higher a kind of material of cost, waste recovery is the necessary approach that each titanium processing enterprise controls cost; Prior art mainly is to reclaim melting through vacuum arc fumace (VAR), and this kind method need be broken into block titanium waste material the bits shape and mixes with Titanium Sponge 40-60 mesh, is pressed into electrode block again; Vacuum arc fumace (VAR) melting is carried out in welding then, and not only the raw material processing charges is high; And the ratio of using when being pressed into electrode is also restricted; Complex procedures, long flow path, and waste utilization rate is low; High low density in the waste material is mixed in and is difficult in the melting of VAR stove remove, for hidden danger has been buried in the utilization of reclaimed materials.
The manufacturing cost height of Titanium Sponge 40-60 mesh is one of high reason of titanium processing material price.So reclaiming the titanium waste material is one of approach that reduces cost.When the VAR method is produced ingot casting because will suppress electrode, in order to guarantee the strength of joint of electrode, so multipotency adds 30% defective material in the electrode.Adopt the VAR stove need carry out repeatedly melting and could obtain the uniform ingot casting of composition.
Titanium is a reactive metal, and gas reactions such as at high temperature as easy as rolling off a log and oxygen, nitrogen are polluted metallic titanium and lost original good process performance and mechanical property.
Summary of the invention
Technical problem to be solved by this invention provides the melting recovery method of the block waste material of a kind of pure titanium; Improve the utilization ratio of block waste material; Shorten manufacturing process flow, enhance productivity, reduce cost; The high low density of effectively removing in the waste material is mingled with, and improves the quality quality of waste recovery melting.
For the purpose that realizes solving the problems of the technologies described above, the present invention has adopted following technical scheme:
The melting recovery method of the block waste material of a kind of pure titanium comprises using to have the electron-beam cold bed furnace of 6 electron beam gun, and wherein 1#, 2# electron beam gun work area are the melting cold bed; 3#, 4# electron beam gun work area are the refining cold bed, and 5#, 6# electron beam gun work area are overflow cold bed and 1#, 2# mold, wherein the corresponding 1# mold of 5# rifle; The corresponding 2# mold of 6# rifle;, 1#, 2#, 3# rifle be by the GIP time variable control of 1# computer, and 4#, 5#, 6# rifle are by the GIP time variable control of 2# computer; The GIP program of two computers is set the electron beam gun step respectively, it is characterized in that:
(1), with after the TA1 reclaimed materials sandblast pickling, put into the bar feeder of electron-beam cold bed furnace in the titanium system of packing into the bar box or with reclaimed materials directly through pack into the rotary drum feeder of electron-beam cold bed furnace of feeding system.
(2), with working chamber, the feed compartment of electron-beam cold bed furnace with draw the ingot chamber to be evacuated to (1~8) * 10 -2Pa.(3), then open and draw ingot chamber plate valve, will draw the ingot heelpiece to rise up in the water jacketed copper crucible.
(4), subsequently feed in raw material at every turn all need exit again, material loading is evacuated to (1~8) * 10 -2Pa.
(5), open 1#, 2#, 3#, 4#, 5#, 6# electron beam gun, select " positioning of beam " step, the readability and the angle of each electron beam gun working order and stroboscope are confirmed.
(6), 1#, 2#, 3#, 4#, 5#, 6# electron beam gun GIP are transferred to " preheating " step, the titanium scull in fusing cold bed, refining cold bed or the overflow cold bed is carried out slow preheating and make its slow expansion.
(7), treat on the scull to form the molten bath passage, begin 1#, 2#, 3#, 4#, 5#, 6# rifle GIP are transferred to " testing current step ", to electron beam gun the emission maximum electric current that can reach test; Through testing current, confirm the working order of electron beam gun under big electric current.This is owing to electron beam gun after this step is high-power many, confirms the working order of electron beam gun under big electric current through testing current, can avoid because of the electron beam gun slab ingot quality problems that job insecurity causes under big electric current.
(8), 1#, 2#, 3# electron beam gun GIP are transferred to " continue melting " step, utilize big electric current that raw material is melted.This step, melts raw material under lasting feed state through 1#, 2#, 3# rifle, and the setting of this process figure and optimization have directly determined melting rate, can optimize through the electron beam gun scanning pattern and improve melting efficiency.
(9), treat the titanium flow to the crucible place, 4#, 5#, 6# electron beam gun GIP are transferred to " filling crucible " step, heighten the energy of 5#, 6# electron beam gun; Earlier the crucible heelpiece is filled full; 4#, 5#, 6# electron beam gun GIP are transferred to " continuing melting " step, improve the melting speed of 1#, 2#, 3# rifle, and the energy of 5#, 6# rifle is set; The superheating temperature that makes crucible titanium liquid begins automatically ingot pulling then at 200 ℃.
" filling crucible " step improves the quality of filling slab ingot in the crucible process through heightening the energy of 5#, 6# electron beam gun, has avoided must excising the slab ingot afterbody because of quality problems, adopts after this step, and the slab ingot afterbody only needs a small amount of excision to get final product.Step passes through to improve the melting speed of 1#, 2#, 3# rifle " to continue melting ", and the energy of 5#, 6# rifle is set, and the superheating temperature that makes crucible titanium liquid guarantees the flat bloom surface good quality and reduces inner grain size at 200 ℃." continue melting " step is meant that the titanium flow goes under the crucible state, and electron beam gun is to the scanning process step of crucible.
(10), in continuing fusion process, in the setting program of 5#, 6# rifle edge graph shape is clearly arranged also in " continuing melting " step, constantly crucible limit portion is scanned.Fall into the titanium condensation product that prevents limit portion growth and to form condensation product in the crucible and be mingled with, thereby have influence on the internal soundness of slab ingot.
(11), if continue in the fusion process; Owing to causing melting, the equipment reason interrupts; Then 1#, 2#, 3# electron beam gun GIP are transferred to " preheating " step, 4#, 5#, 6# electron beam gun GIP are transferred to " melting interrupts continuing heating steps ", the 56# rifle continues heating to the slab ingot top.After the equipment of treating recovers, then continue melting, and the cutout seam crossing does not influence the quality of final titanium ingot.The influence of cutout to the slab ingot quality eliminated in the enforcement of this step, avoided the imperfections that causes because of cutout.
(12), wait to draw the length that ingot length reaches to be needed, stop charging, and close 1#, 2#, 3#, 4# electron beam gun, stay 5#, 6# electron beam gun.
(13), 4#, 5#, 6# electron beam gun GIP being transferred to " clear limit " step uses clear scan edge figure that crucible runner and crucible limit portion are cleared up.
(14), 4#, 5#, 6# electron beam gun GIP are transferred to " heat-sealing top " step the slab ingot top are sealed the top, make its slow cooling, prevent cooling fast and cause inner shrinkage cavity shrinkage porosity.The creativeness of this step has been to eliminate the slab ingot top because of the defective that cause for quality must excise, and adopts after this step, and the slab ingot top can not excised.
(15), heat-sealing top finishes, all electron beam gun quit work, vacuum system keeps operation, slab ingot is drawing the indoor cooling of ingot more than 10 hours, blow-on venting then goes out ingot.
Concrete; The electron-beam cold bed furnace of this patent is EBCHR 6/200/3600 a type electron-beam cold bed furnace, and EBCHR represents the electron beam cold hearth melting stove, and 6 represent 6 electron beam gun; 200 represent 200000 liters/second the speed of evacuation, and 3600 represent 3600KW maximum electron rifle power.
The described GIP of this patent is an electron beam gun time variable control interface program.
When the VAR method is produced ingot casting because will suppress electrode; In order to guarantee the strength of joint of electrode, so multipotency adds 30% defective material in the electrode, and the electron beam cold hearth melting feeding manner is unrestricted; Therefore can 100% reclaim defective material, can reduce titanium material production cost greatly like this.Adopt the VAR stove need carry out repeatedly melting and could obtain the uniform ingot casting of composition, and the electron-beam cold bed furnace melting once gets final product.The titanium ingot chemical ingredients of making through electron-beam cold bed furnace is even, and foreign matter content is low, and surface quality is good.Titanium ingot specification is the slab ingot of 1290x200mm, after 3 ~ 5mm milling machine strips off the skin, can directly be used for hot rolling slab, improves terrible material rate.Slab planeness and linearity all are superior to forging slab.Because the high chemically reactive of titanium inevitably can increase oxygen level in hot procedure, the titanium ingot that the TA1 waste material melts out generally can be used as TA2 and uses, and its Composition Control can reach the regulation of following table 1.
Table 1
Through adopting technique scheme, the present invention has following beneficial effect:
The present invention directly uses the TA1 reclaimed materials to carry out melting, has avoided waste material broken, electrode block compacting, the weldering system of electrode.The bar collection box only needs the pure titanium plate that 5 3-5mm is thick to being connected into the box of 450*450*1600mm, and spot welding get final product then, the weldering system simply, 1 box can be accomplished making in 2 hours.After the weldering system is accomplished reclaimed materials is directly put into the bar case; Each load-bearing 500 ~ 1200kg; But about 6.5 tons of 9 bar gross weights of single ingot melting single device every day melting, but about 13 tons of 18 bar gross weights of two ingot melting single device every day melting have improved organic efficiency and speed greatly.
The VAR stove of prior art; Reclaimed materials is broken, electrode block is suppressed, the weldering system of electrode needs the long period; And the labor manpower and materials, 1 electrode weight of every stove melting is merely 150Kg, and every days 5, stove melting production capacity can only reach 750kg; And because the reclaimed materials impurity component is many, the VAR stove can't be accomplished the effect of refining removal impurity; And the titanium ingot that melts out need pass through to forge and can carry out hot rolling after removing oxide debris, and is must the material rate lower.
Embodiment
Embodiment 1: single ingot melting.
Starting material: block TA1 reclaimed materials.
Equipment: EBCHR 6/200/3600 type electron-beam cold bed furnace.
The reclaimed materials chemical ingredients requires to shown in the table 2.
Table 2
Actual melting technology:
A. with after the TA1 reclaimed materials sandblast pickling, put into electron-beam cold bed furnace bar feeder in the titanium system bar box of the 450x450x1600mm that packs into.
B. with working chamber, the bar feed compartment of electron-beam cold bed furnace with draw the ingot chamber to be evacuated to 4x 10-2Pa, open then and draw ingot chamber plate valve, will draw the ingot heelpiece to rise up in the water jacketed copper crucible.
C. open 1#, 2#, 3#, 4#, 5# electron beam gun, select " positioning of beam " step, the readability and the angle of each electron beam gun working order and stroboscope are confirmed.
D. 1#, 2#, 3# and 4#, 5#, 6# electron beam gun GIP being transferred to " preheating " step carries out slow preheating to the titanium scull of fusing in cold bed, refining cold bed or the overflow cold bed and makes its slow expansion.
E. treat on the scull to form the molten bath passage, begin 1#, 2#, 3#, 4#, 5#, 6# rifle GIP are transferred to " testing current step ", to electron beam gun the emission maximum electric current that can reach test.
F. 1#, 2#, 3# electron beam gun GIP are transferred to " continuing melting " step, utilize big electric current that raw material is melted;
G. treat the titanium flow to the crucible place, 4#, 5#, 6# electron beam gun GIP are transferred to " filling crucible " step, the crucible heelpiece is filled expires earlier, 4#, 5#, 6# electron beam gun GIP is transferred to " continuing melting " step, begins automatically ingot pulling then.
H. in continuing fusion process, in the 5# rifle edge graph shape is clearly arranged in " continuing melting " step, constantly crucible limit portion is scanned, fall into the titanium condensation product that prevents the growth of limit portion and form condensation product in the crucible and be mingled with, thereby have influence on the internal soundness of slab ingot.
I. if continue in the fusion process, interrupt owing to the equipment reason causes melting, then 1#, 2#, 3# electron beam gun GIP are transferred to " preheating " step, 4#, 5#, 6# electron beam gun GIP are transferred to " melting interrupts continuing heating steps ", the 5# rifle continues heating to the slab ingot top.
J. wait to draw the length that ingot length reaches to be needed, stop charging, and close 1#, 2#, 3#, 4# electron beam gun, stay the 5# electron beam gun.
K. 4#, 5#, 6# electron beam gun GIP being transferred to " clear limit " step uses the dedicated scan figure that crucible runner and crucible limit portion are cleared up.
L. 4#, 5#, 6# electron beam gun GIP are transferred to " heat-sealing top " step the slab ingot top is sealed the top, make its slow cooling, prevent cooling fast and cause inner shrinkage cavity shrinkage porosity.
M. the heat-sealing top finishes, and all electron beam gun quit work, and vacuum system keeps operation, and slab ingot is drawing the indoor cooling of ingot more than 10 hours, and blow-on venting then goes out ingot, and going out the ingot specification is 200*1290*5600mm.
Slab ingot chemical composition analysis that melts out such as following table 3.
Table 3
The position Fe C N H O
On 0.0140 0.0270 0.0066 0.0010 0.1030
In 0.0160 0.0360 0.0054 0.0010 0.1030
Down 0.0120 0.0270 0.0067 0.0010 0.0980
Average 0.0140 0.0300 0.0062 0.0010 0.1013
The flat bloom surface quality that melts out is good, and chemical ingredients is even, and it is good to mill behind the face 5mm surface, the inner no excessive defect of ultrasonic inspection.
 
Embodiment 2: two ingot meltings
Starting material: block TA1 reclaimed materials.
Equipment: EBCHR 6/200/3600 type electron-beam cold bed furnace.
The reclaimed materials chemical ingredients requires like table 4.
Table 4
Actual melting technology:
A. with specification after the TA1 reclaimed materials piece sandblast pickling about 100mm, the barrel of packing into is through the feeding cart electron-beam cold bed furnace rotary drum feeder of packing into.
B. with working chamber, vibration charging chamber, the rotary drum feeder of electron-beam cold bed furnace with draw the ingot chamber to be evacuated to 4x 10-2Pa, open then and draw ingot chamber plate valve, will draw the ingot heelpiece to rise up in the water jacketed copper crucible.
C. vibration charging chamber plate valve is opened, driven the vibrating feeder feeding port into fusing cold bed top, then the rotary drum feeder plate valve is opened, make feed system be in ready state.
D. open 1#, 2#, 3#, 4#, 5#, 6# electron beam gun, selection " positioning of beam " step (, the readability and the angle of each electron beam gun working order and stroboscope are confirmed.
E. 1#, 2#, 3# and 4,5,6# electron beam gun GIP being transferred to " preheating " step carries out slow preheating to the titanium scull of fusing in cold bed, refining cold bed or the overflow cold bed and makes its slow expansion.
F. " vibrator " of vibrating feeder opened, then the rotary drum feeder motor is opened, it is errorless to confirm charging to begin a little charging, stops charging then.
G. treat on the scull to form the molten bath passage, begin 1#, 2#, 3#, 4#, 5#, 6# rifle GIP are transferred to " testing current step ", to electron beam gun the emission maximum electric current that can reach test.
H. 1#, 2#, 3# electron beam gun GIP are transferred to " continuing melting " step, utilize big electric current that raw material is melted.
I. open the rotary drum feeder motor and begin charging, and according to the start and stop of how much carrying out of inlet amount.Can not pile up too many waste material in order to avoid overflow in the fusing cold bed.
J. treat the titanium flow to the crucible place, 4#, 5#, 6# electron beam gun GIP are transferred to " filling crucible " step, the crucible heelpiece is filled expires earlier, 4#, 5#, 6# electron beam gun GIP is transferred to " continuing melting " step, begins automatically ingot pulling then.
K. in continuing fusion process; 5#, 6# rifle have edge graph shape clearly in " lasting melting " step; Constantly crucible limit portion is scanned, fallen into the titanium condensation product that prevents limit portion growth and form condensation product in the crucible and be mingled with, thereby have influence on the internal soundness of slab ingot.
L. if continue in the fusion process; Owing to causing melting, the equipment reason interrupts; Then 1#, 2#, 3# electron beam gun GIP are transferred to " preheating " step, 4#, 5#, 6# electron beam gun GIP are transferred to " melting interrupts continuing heating steps ", the 5#6# rifle continues heating to the slab ingot top.
M. wait to draw the length that ingot length reaches to be needed, stop charging, and close 1#, 2#, 3#, 4# electron beam gun, stay 5#, 6# electron beam gun.
N. 4#, 5#, 6# electron beam gun GIP being transferred to " clear limit " step uses the dedicated scan figure that crucible runner and crucible limit portion are cleared up.
O. 4#, 5#, 6# electron beam gun GIP are transferred to " heat-sealing top " step the slab ingot top is sealed the top, make its slow cooling, prevent cooling fast and cause inner shrinkage cavity shrinkage porosity.
The heat-sealing top finishes, and all electron beam gun quit work, and vacuum system keeps operation, and slab ingot is drawing the indoor cooling of ingot more than 10 hours, and blow-on venting then goes out ingot.Going out the ingot specification is 200*1290*5600mm.
Slab ingot chemical composition analysis that melts out such as following table 5.
Table 5
Specimen coding Fe C N H O
On 0.0290 0.0150 0.0096 0.0010 0.0830
Down 0.0260 0.0170 0.0088 0.0016 0.0850
Average 0.0275 0.0160 0.0097 0.0013 0.0840
The flat bloom surface quality that melts out is good, and chemical ingredients is even, and it is good to mill behind the face 5mm surface, the inner no excessive defect of ultrasonic inspection.
Comparative Examples
Starting material: block TA1 reclaimed materials.
Equipment: VAC-150kg.
The reclaimed materials chemical ingredients is defined as shown in the table 6.
Table 6
Actual melting technology:
A. with after the TA1 reclaimed materials sandblast pickling, carry out fragmentation.
B. reclaimed materials (8%) and the Titanium Sponge 40-60 mesh with fragmentation mixes, and is that unit carries out the electrode block compacting with 18kg, is of a size of Φ 180x200mm.
8 electrode blocks that C. will suppress carry out the argon arc welding welding, and the grid for welding head, are welded into 1.6 meters of length, the electrode of weight 144kg.
D. will weld good electrode and pack in the VAR stove, carry out 1 melting.And the cooling of coming out of the stove.
E. the titanium ingot to melting carries out second electrode head weldering system.
F. for preventing molten reclaimed materials being mingled with in the titanium ingot of bulk, reach the segregation of composition, the titanium ingot is carried out secondary smelting, and the cooling of coming out of the stove.
G. the refrigerative titanium ingot of coming out of the stove is carried out the rising head excision,, epidermis is carried out the machined into peeling because titanium ingot epidermis shrinkage cavity shrinkage porosity is intensive.
H. the titanium ingot after the peeling is forged, take off after the forging and descale.
Ingot casting chemical composition analysis that melts out such as following table 7.
Table 7

Claims (2)

1. the melting recovery method of the block waste material of pure titanium comprises using to have the electron-beam cold bed furnace of 6 electron beam gun, and wherein 1#, 2# electron beam gun work area are the melting cold bed; 3#, 4# electron beam gun work area are the refining cold bed, and 55#, 6# electron beam gun work area are overflow cold bed and 1#, 2# mold, wherein the corresponding 1# mold of 5# rifle; The corresponding 2# mold of 6# rifle;, 1#, 2#, 3# rifle be by the GIP time variable control of 1# computer, and 4#, 5#, 6# rifle are by the GIP time variable control of 2# computer; The GIP program of two computers is set the electron beam gun step respectively, it is characterized in that:
(1), with after the TA1 reclaimed materials sandblast pickling, put into the bar feeder of electron-beam cold bed furnace in the titanium system of packing into the bar box or with reclaimed materials directly through pack into the rotary drum feeder of electron-beam cold bed furnace of feeding system;
(2), with working chamber, the feed compartment of electron-beam cold bed furnace with draw the ingot chamber to be evacuated to (1~8) * 10 -2Pa; (3), then open and draw ingot chamber plate valve, will draw the ingot heelpiece to rise up in the water jacketed copper crucible;
(4), subsequently feed in raw material at every turn all need exit again, material loading is evacuated to (1~8) * 10 -2Pa;
(5), open 1#, 2#, 3#, 4#, 5#, 6# electron beam gun, select " positioning of beam " step, the readability and the angle of each electron beam gun working order and stroboscope are confirmed;
(6), 1#, 2#, 3#, 4#, 5#, 6# electron beam gun GIP are transferred to " preheating " step, the titanium scull in fusing cold bed, refining cold bed or the overflow cold bed is carried out slow preheating and make its slow expansion;
(7), treat on the scull to form the molten bath passage, begin 1#, 2#, 3#, 4#, 5#, 6# rifle GIP are transferred to " testing current step ", to electron beam gun the emission maximum electric current that can reach test; Through testing current, confirm the working order of electron beam gun under big electric current;
(8), 1#, 2#, 3# electron beam gun GIP are transferred to " continue melting " step, utilize big electric current that raw material is melted;
(9), treat the titanium flow to the crucible place, 4#, 5#, 6# electron beam gun GIP are transferred to " filling crucible " step, heighten the energy of 5#, 6# electron beam gun; Earlier the crucible heelpiece is filled full; 4#, 5#, 6# electron beam gun GIP are transferred to " continuing melting " step, improve the melting speed of 1#, 2#, 3# rifle, and the energy of 5#, 6# rifle is set; The superheating temperature that makes crucible titanium liquid begins automatically ingot pulling then at 200 ℃;
(10), in continuing fusion process, in the setting program of 5#, 6# rifle edge graph shape is clearly arranged also in " continuing melting " step, constantly crucible limit portion is scanned;
(11), if continue in the fusion process; Owing to causing melting, the equipment reason interrupts; Then 1#, 2#, 3# electron beam gun GIP are transferred to " preheating " step, 4#, 5#, 6# electron beam gun GIP are transferred to " melting interrupts continuing heating steps ", the 56# rifle continues heating to the slab ingot top; After the equipment of treating recovers, then continue melting, and the cutout seam crossing does not influence the quality of final titanium ingot;
(12), wait to draw the length that ingot length reaches to be needed, stop charging, and close 1#, 2#, 3#, 4# electron beam gun, stay 5#, 6# electron beam gun;
(13), 4#, 5#, 6# electron beam gun GIP being transferred to " clear limit " step uses clear scan edge figure that crucible runner and crucible limit portion are cleared up;
(14), 4#, 5#, 6# electron beam gun GIP are transferred to " heat-sealing top " step the slab ingot top are sealed the top, make its slow cooling, prevent cooling fast and cause inner shrinkage cavity shrinkage porosity;
(15), heat-sealing top finishes, all electron beam gun quit work, vacuum system keeps operation, slab ingot is drawing the indoor cooling of ingot more than 10 hours, blow-on venting then goes out ingot.
2. according to the melting recovery method of the block waste material of the said pure titanium of claim 1; It is characterized in that: described electron-beam cold bed furnace is EBCHR 6/200/3600 a type electron-beam cold bed furnace; EBCHR represents the electron beam cold hearth melting stove; 6 represent 6 electron beam gun, and 200 represent 200000 liters/second the speed of evacuation, and 3600 represent 3600KW maximum electron rifle power.
CN201210082075XA 2012-03-26 2012-03-26 Smelting recovery method for pure titanium waste blocks CN102618733B (en)

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CN107893164A (en) * 2017-10-30 2018-04-10 洛阳双瑞精铸钛业有限公司 A kind of method that the pure titaniums of TA2 are prepared using the pure titanium defective material melting recovery of TA1 bits shapes
CN108220612A (en) * 2018-01-19 2018-06-29 青海聚能钛业股份有限公司 Zircaloy processing method is recycled in a kind of electron-beam cold bed furnace melting
CN108265182A (en) * 2018-01-19 2018-07-10 青海聚能钛业股份有限公司 A kind of method using electron-beam cold bed furnace recycling melting zirconium defective material
CN109338119A (en) * 2018-11-19 2019-02-15 西安聚能高温合金材料科技有限公司 A kind of hot closed-top technology of nickel base superalloy vacuum consumable smelting
CN110512090A (en) * 2019-08-13 2019-11-29 洛阳双瑞精铸钛业有限公司 A kind of processing method of the general scull of the more materials of electron beam cold hearth melting furnace

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CN104018002A (en) * 2014-05-30 2014-09-03 洛阳双瑞精铸钛业有限公司 Smelting method of block pure titanium waste material
CN104195354A (en) * 2014-08-28 2014-12-10 云南钛业股份有限公司 Method for preparing industrially pure titanium from reclaimed materials by electron beam cooling bed furnace smelting
CN104195354B (en) * 2014-08-28 2016-08-03 云南钛业股份有限公司 A kind of method that electron-beam cold bed furnace melting reclaimed materials obtains industrially pure titanium
CN105177329A (en) * 2015-09-07 2015-12-23 云南钛业股份有限公司 Method for rapidly recycling condensates in electron beam cooling bed furnace smelting chamber
CN106119576A (en) * 2016-06-30 2016-11-16 洛阳双瑞精铸钛业有限公司 A kind of melting recovery method of lath-shaped titanium defective material
CN107760877A (en) * 2016-08-18 2018-03-06 宁波创润新材料有限公司 The method of smelting of ingot casting
CN107164642A (en) * 2017-05-12 2017-09-15 西部钛业有限责任公司 A kind of method that utilization titanium crumble prepares TA1 titanium ingots
CN107893164A (en) * 2017-10-30 2018-04-10 洛阳双瑞精铸钛业有限公司 A kind of method that the pure titaniums of TA2 are prepared using the pure titanium defective material melting recovery of TA1 bits shapes
CN108220612A (en) * 2018-01-19 2018-06-29 青海聚能钛业股份有限公司 Zircaloy processing method is recycled in a kind of electron-beam cold bed furnace melting
CN108265182A (en) * 2018-01-19 2018-07-10 青海聚能钛业股份有限公司 A kind of method using electron-beam cold bed furnace recycling melting zirconium defective material
CN108220612B (en) * 2018-01-19 2019-12-24 青海聚能钛业股份有限公司 Processing method for smelting and recovering zirconium alloy by electron beam cold hearth furnace
CN108265182B (en) * 2018-01-19 2020-04-17 青海聚能钛业股份有限公司 Method for recycling smelting zirconium residues by using electron beam cold bed furnace
CN109338119A (en) * 2018-11-19 2019-02-15 西安聚能高温合金材料科技有限公司 A kind of hot closed-top technology of nickel base superalloy vacuum consumable smelting
CN110512090A (en) * 2019-08-13 2019-11-29 洛阳双瑞精铸钛业有限公司 A kind of processing method of the general scull of the more materials of electron beam cold hearth melting furnace
CN110512090B (en) * 2019-08-13 2020-11-13 洛阳双瑞精铸钛业有限公司 Treatment method of multi-material universal skull of electron beam cold bed smelting furnace

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