CN107858631A - A kind of Φ 3mm Φ 10mm titanium alloy wire continuous oxidation system and methods - Google Patents
A kind of Φ 3mm Φ 10mm titanium alloy wire continuous oxidation system and methods Download PDFInfo
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- CN107858631A CN107858631A CN201711336650.3A CN201711336650A CN107858631A CN 107858631 A CN107858631 A CN 107858631A CN 201711336650 A CN201711336650 A CN 201711336650A CN 107858631 A CN107858631 A CN 107858631A
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- heating tube
- titanium alloy
- wire rod
- rotating disk
- continuous oxidation
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
- C23C8/10—Oxidising
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Abstract
The invention discloses a kind of Φ 3mm Φ 10mm titanium alloy wire continuous oxidation system, including tubular heater, heating tube is provided with tubular heater, air supply plant is installed in heating tube, air supply plant is used for provide oxidizing gas in heating tube, so that the wire rod to be oxidized oxidation in heating tube is uniform, the discharging opening of heating tube is provided with rewinding rotating disk, and rewinding rotating disk is used to pack up in the wire rod after heated pipe heated oxide；The present invention solve the problems, such as box type heater oxidation it is uneven, insufficient, reduce wire rod deformation after unloading during because aoxidize it is uneven, insufficient and caused by sticking to mould, crackle the defects of；Dynamic oxidation process reduces the requirement to heating furnace uniformity, while liberates manpower, is advantageous to cut payroll to improve efficiency.
Description
【Technical field】
The invention belongs to non-ferrous metals processing field, and in particular to a kind of Φ 3mm- Φ 10mm titanium alloy wire continuous oxidations
System and method.
【Background technology】
In recent years, small dimension (Φ≤5mm) titanium alloy wire materials are with its excellent combination property, good biocompatibility quilt
Bio-medical field, such as Srgery grafting are widely used in, this requires material to have the size of uniformity, surface state and comprehensive
Close performance.Small dimension silk material is typically made by drawing by 3~Φ of Φ 10mm blank, and titanium alloy during stretching due to having adhesion mould
The tendency of tool forms uniform oxide layer, so as to follow-up drawing, it is necessary to blank progress oxidation processes before drawing in blank surface
When form protective layer, and increase lubrication.Oxidizing process has considerable influence to follow-up drawing deformation.Currently used mode of oxidizing
For batch-type furnace aoxidize, a number of blank is bundled into it is a branch of, be put into both ends enabling batch-type furnace in be incubated, after certain time will
Blank reach certain distance (effective heated length of batch-type furnace), repeat until blank oxidation is completed.But due to batch-type furnace
More weak point be present in the limitation of furnace binding and the requirement to temperature uniformity, batch-type furnace oxidation：
1) limitation due to batch-type furnace furnace binding and heat exchange pattern, the blank temperature among blank beam may be caused
Degree and degree of oxidation are below the blank in blank beam periphery, cause different blank degree of oxidations different；
2) limited by operation level and furnace binding, degree of oxidation is inconsistent before and after may causing same branch blank, influences
Follow-up drawing and the surface quality of silk material；
3) drop-bottom may be drawn during blank reach, and then cut etc. is caused in blank surface, drawing is caused
Adverse effect；
4) need more manpower to support using which oxidation, be unfavorable for cutting payroll to improve efficiency；
5) for medium-sized and small enterprises, batch-type furnace input cost is higher, aggravates business burden.
【The content of the invention】
It is an object of the invention to provide a kind of Φ 3mm- Φ 10mm titanium alloy wire continuous oxidation system and methods, to solve
The problem of titanium alloy wire oxidation is uneven, insufficient existing for prior art.
The present invention uses following technical scheme：A kind of Φ 3mm- Φ 10mm titanium alloy wire continuous oxidation system, including
Tubular heater, heating tube being provided with tubular heater, air supply plant being installed in heating tube, air supply plant is used for for heating
Oxidizing gas is provided in pipe, so that the wire rod to be oxidized oxidation in heating tube is uniform, the discharging opening of heating tube is provided with rewinding and turned
Disk, rewinding rotating disk are used to pack up in the wire rod after heated pipe heated oxide.
Further, air supply plant is located at the charging aperture of heating tube, and the pipe above the central axis of heating tube
On wall.
Further, air supply plant includes snorkel, and snorkel is circumscribed with air accumulator, set between snorkel and air accumulator
There is gas delivery valve door.
Further, rewinding rotating disk is connected with motor, and motor is used to drive rewinding rotating disk average rate to rotate, and rewinding rotating disk
Linear velocity is 0.1m/min~20m/min.
Further, the quantity of heating tube is one or two, and every heating tube is heating resisting metal pipe, and length is
3m-5m, diameter are 30mm-100mm.
Further, the heating-up temperature of tubular heater is 750 DEG C -950 DEG C.
The another technical solution of the present invention, a kind of Φ 3mm- Φ 10mm titanium alloy wire continuous oxidation process, use
Above-mentioned titanium alloy wire continuous oxidation system, comprises the following steps：
Step 1, tubular heater opened, and be warming up to 750 DEG C -950 DEG C；
Step 2, gas delivery valve door is opened, the gas in air accumulator is delivered to by adding for tubular heater by snorkel
In heat pipe, and it is adjusted to preset pressure；
Step 3, Φ 3mm- Φ 10mm wire rod to be oxidized passed through into heating tube, and its head is fixed on rewinding rotating disk
On；
Step 4, start the rotation of motor driven rewinding rotating disk average rate, until wire rod to be oxidized all passes through tubular heater；
Step 5, upset wire rod to be oxidized end to end, repeat step 1- steps 4, until the oxidizability of wire rod to be oxidized
Reach technological requirement.
The beneficial effects of the invention are as follows：Wire rod is at the uniform velocity fully reacted by the atmosphere that circulated in tubular heater, with stove, is obtained
The oxide layer of uniformity, solve the problems, such as that box type heater oxidation is uneven, insufficient, reduce wire rod deformation after unloading process
It is middle because aoxidize it is uneven, insufficient and caused by sticking to mould, crackle the defects of；Dynamic oxidation process is reduced to heating furnace uniformity
Requirement, while liberate manpower, be advantageous to cut payroll to improve efficiency.
【Brief description of the drawings】
Fig. 1 is a kind of structural representation of Φ 3mm- Φ 10mm titanium alloy wire continuous oxidation systems of the present invention.
Wherein：1. tubular heater；2. heating tube；3. air supply plant；4. wire rod to be oxidized；5. air accumulator；6. rewinding turns
Disk；7. motor.
【Embodiment】
The present invention is described in detail with reference to the accompanying drawings and detailed description.
The invention discloses a kind of Φ 3mm- Φ 10mm titanium alloy wire continuous oxidation systems, as shown in figure 1, including tubular type
Heating furnace 1, the heating-up temperature of tubular heater 1 as needed is 750 DEG C -950 DEG C, to ensure to reach titanium or titanium alloy wire rod oxygen
Change purpose.Heating tube 2 is provided with tubular heater 1, the quantity of heating tube 2 is one or two, to ensure that its wire rod aoxidizes
Device it is effective long-term durable, and improve oxidation efficiency.Every heating tube 2 is heating resisting metal pipe, and length is 3m-
5m, diameter are 30mm-100mm.
Dismountable air supply plant 3 is installed, air supply plant 3 is used for provide oxic gas in heating tube 2 in heating tube 2
Body, so that the wire rod to be oxidized 4 in heating tube 2 aoxidizes uniformly, air supply plant 3 is located at the charging aperture of heating tube 2, and is located at and adds
On tube wall above the central axis of heat pipe 2.Air supply plant 3 can according to the species of wire rod, size, surface state, need
The condition designs such as effect different pressure and atmosphere.
Air supply plant 3 includes snorkel, the diameter of heating tube 2 is too small and the distance between its center axis and snorkel too
Closely, passing through for its wire rod 4 to be oxidized can be influenceed, therefore, the distance between snorkel and central axis of heating tube 2 are set
10mm-40mm is set to, to ensure heating uniformity and validity, the uniformity that avoids supplying gas is too poor.Snorkel is circumscribed with gas storage
Tank 5, gas delivery valve door is provided between snorkel and air accumulator 5, to ensure gas conveying and wire rod 4 to be oxidized while row
Enter, ensure the continuity of its oxidation.Gas in air accumulator 5 can select gas with various, the pressure of gas delivery valve door as needed
Power can be adjusted in the range of 0~0.05MPa, to ensure fullness of being supplied gas in heating tube, lift the uniform alumina effect of wire rod.
The discharging opening of heating tube 2 is provided with rewinding rotating disk 6, and rewinding rotating disk 6 is used for the line after the heated heated oxide of pipe 2
Material is packed up.Rewinding rotating disk 6 is connected with motor 7, and motor 7 preferably uses threephase asynchronous machine, and it is used to drive rewinding rotating disk 6 at the uniform velocity
Rotate, and the linear velocity of rewinding rotating disk 6 is 0.1m/min~20m/min, to ensure the gait of march of wire rod to be oxidized, reaches and fills
Divide uniform oxidation implementation process.
The system is applied to the handling process of each trade mark titanium or titanium alloy wire rod continuous oxidation, and oxidized material performance is steady
It is fixed, consistent.The present apparatus make use of the abundant reaction of circulation atmosphere in stove, obtain the oxide layer of uniformity, solve box add
Hot stove oxidation it is uneven, insufficient the problem of, reduce wire rod deformation after unloading during because aoxidize it is uneven, insufficient and caused by
The defects of sticking to mould, crackle；Dynamic oxidation process reduces the requirement to heating furnace uniformity, while liberates manpower, is advantageous to subtract
Member's synergy.
The invention also discloses a kind of Φ 3mm- Φ 10mm titanium alloy wire continuous oxidation process, this method are especially suitable
In high-precision high strength titanium alloy silk material prepare early-stage preparations, using above-mentioned titanium alloy wire continuous oxidation system, including
Following steps：
Step 1, tubular heater 1 opened, and be warming up to the temperature of process stipulation, i.e., 750 DEG C -950 DEG C；
Step 2, gas delivery valve door is opened, the gas in air accumulator 5 is delivered to by tubular heater 1 by snorkel
In heating tube 2, and it is adjusted to preset pressure；
Step 3, Φ 3mm- Φ 10mm wire rod to be oxidized 4 passed through into heating tube 2, and its head is fixed on rewinding rotating disk
On 6；
Step 4, start the average rate rotation of the drive rewinding of motor 7 rotating disk 6, until wire rod 4 to be oxidized is all heated by tubular type
Stove 1；
Step 5, upset wire rod 4 to be oxidized end to end, repeat step 1- steps 4, until the oxidation of wire rod 4 to be oxidized
Degree reaches technological requirement.
Embodiment 1：
Continuous oxidation processing is carried out to the blanks of Ti-25Nb-15Zr-1.5Al titanium alloy wires Φ 8.0 using the system, adopted
The tubular heater 1 for being 4.8m with effective active length, from a diameter of 80mm heating tube 2, set the furnace temperature of tubular heater 1
For 780 DEG C, air supply plant 3 is opened after instrument is shown to temperature, is passed through air, adjustment aspirated pressure is 0.05MPa, by Φ 8.0
Diameter Ti-25Nb-15Zr-1.5Al wire rods penetrate tubular heater 1, and the head of wire rod 4 to be oxidized is fixed on rewinding rotating disk 6,
To open the motor 7 being connected with rewinding rotating disk 6 to switch, set velocity of rotation as 2.4m/min, wire rod is at the uniform velocity by heating, and 2.Treat line
Material all by heating tube 2 after, wire rod is removed from rewinding disk, exchanged end to end, repeat above-mentioned operation once, to reach uniform one
The oxidation effectiveness of cause.It is observed that and detect, the blank tables of Ti-25Nb-15Zr-1.5Al titanium alloy wires Φ 8.0 after continuous oxidation
Complexion pool uniformity, transition is naturally, oxidated layer thickness uniformity, high degree improve traditional use batch-type furnace and aoxidized
The problems such as surface peeling, cracking, scale thickness differ afterwards, because wire rod oxidation is uneven when avoiding follow-up aximal deformation value drawing
Caused by surface annular cracking phenomenon.
Embodiment 2：
Continuous oxidation processing is carried out to the blanks of Ti-6Al-4V titanium alloy wires Φ 4.0 using the system：Using effective work
Length is 3.6m tubular heater 1, from a diameter of 50mm heating tube 2, sets the furnace temperature of tubular heater 1 as 850 DEG C, treats
Instrument opens air supply plant 3 after being shown to temperature, is passed through air, adjustment aspirated pressure is 0.03MPa, by the diameter Ti-6Al- of Φ 4.0
4V wire rods penetrate tubular heater 1, are fixed on rewinding rotating disk 6.Open the motor 7 being connected with rewinding rotating disk 6 to switch, setting turns
Dynamic speed is 6.4m/min, and wire rod at the uniform velocity passes through heating tube 2.After wire rod all by heating tube after, wire rod is taken from rewinding disk
Under.It is observed that and detection, the blank surface uniform colors of Ti-6Al-4V titanium alloy wires Φ 4.0 after continuous oxidation are consistent, transition
Naturally, oxidated layer thickness uniformity, on-line continuous oxidation effectiveness is good.
Claims (7)
- A kind of 1. Φ 3mm- Φ 10mm titanium alloy wire continuous oxidation system, it is characterised in that including tubular heater (1), Heating tube (2) is provided with the tubular heater (1), air supply plant (3) is installed in the heating tube (2), it is described to supply gas Device (3) is used for provide oxidizing gas in the heating tube (2), so that wire rod to be oxidized (4) oxygen in the heating tube (2) Change uniformly, the discharging opening of the heating tube (2) is provided with rewinding rotating disk (6), and the rewinding rotating disk (6) is used for will be through the heating Wire rod after pipe (2) heated oxide is packed up.
- A kind of 2. Φ 3mm- Φ 10mm titanium alloy wire continuous oxidation system as claimed in claim 1, it is characterised in that institute Air supply plant (3) is stated to be located at the charging aperture of the heating tube (2), and above the central axis of the heating tube (2) On tube wall.
- 3. a kind of Φ 3mm- Φ 10mm titanium alloy wire continuous oxidation system as claimed in claim 1 or 2, its feature exist In the air supply plant (3) includes snorkel, and the snorkel is circumscribed with air accumulator (5), the snorkel and air accumulator (5) Between be provided with gas delivery valve door.
- 4. a kind of Φ 3mm- Φ 10mm titanium alloy wire continuous oxidation system as claimed in claim 1 or 2, its feature exist In, the rewinding rotating disk (6) is connected with motor (7), and the motor (7) is used to drive rewinding rotating disk (6) average rate to rotate, and The linear velocity of the rewinding rotating disk (6) is 0.1m/min~20m/min.
- 5. a kind of Φ 3mm- Φ 10mm titanium alloy wire continuous oxidation system as claimed in claim 1 or 2, its feature exist In the quantity of the heating tube (2) is one or two, and the every heating tube (2) is heating resisting metal pipe, and length is 3m-5m, diameter are 30mm-100mm.
- 6. a kind of Φ 3mm- Φ 10mm titanium alloy wire continuous oxidation system as claimed in claim 1 or 2, its feature exist In the heating-up temperature of the tubular heater (1) is 750 DEG C -950 DEG C.
- 7. a kind of Φ 3mm- Φ 10mm titanium alloy wire continuous oxidation process, usage right requires that any described titaniums of 1-6 close Gold thread material continuous oxidation system, it is characterised in that comprise the following steps：Step 1, tubular heater (1) opened, and be warming up to 750 DEG C -950 DEG C；Step 2, gas delivery valve door is opened, the gas in air accumulator (5) is delivered to by tubular heater (1) by snorkel In heating tube (2), and it is adjusted to preset pressure；Step 3, Φ 3mm- Φ 10mm wire rod to be oxidized (4) passed through into the heating tube (2), and its head is fixed on rewinding On rotating disk (6)；Step 4, start motor (7) drive rewinding rotating disk (6) the average rate rotation, until the wire rod (4) to be oxidized is all logical Cross the tubular heater (1)；Step 5, the upset wire rod (4) to be oxidized end to end, repeat step 1- steps 4, until the wire rod to be oxidized (4) oxidizability reaches technological requirement.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711336650.3A CN107858631A (en) | 2017-12-14 | 2017-12-14 | A kind of Φ 3mm Φ 10mm titanium alloy wire continuous oxidation system and methods |
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| CN201711336650.3A CN107858631A (en) | 2017-12-14 | 2017-12-14 | A kind of Φ 3mm Φ 10mm titanium alloy wire continuous oxidation system and methods |
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| CN107858631A true CN107858631A (en) | 2018-03-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112461393A (en) * | 2020-12-04 | 2021-03-09 | 中国科学院力学研究所 | Coaxial thermocouple transient heat flow sensor oxidation type insulating layer processing and manufacturing device |
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| CN112461393A (en) * | 2020-12-04 | 2021-03-09 | 中国科学院力学研究所 | Coaxial thermocouple transient heat flow sensor oxidation type insulating layer processing and manufacturing device |
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Application publication date: 20180330 |