CN109609750B - Zero-tension synchronous transmission heat treatment system for preparing high-performance superconducting wire - Google Patents
Zero-tension synchronous transmission heat treatment system for preparing high-performance superconducting wire Download PDFInfo
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- CN109609750B CN109609750B CN201910045213.9A CN201910045213A CN109609750B CN 109609750 B CN109609750 B CN 109609750B CN 201910045213 A CN201910045213 A CN 201910045213A CN 109609750 B CN109609750 B CN 109609750B
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 90
- 238000010438 heat treatment Methods 0.000 title claims abstract description 69
- 230000005540 biological transmission Effects 0.000 title claims abstract description 29
- 229910052733 gallium Inorganic materials 0.000 claims abstract description 40
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000007788 liquid Substances 0.000 claims abstract description 35
- 229910052751 metal Inorganic materials 0.000 claims abstract description 11
- 239000002184 metal Substances 0.000 claims abstract description 11
- 238000004804 winding Methods 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 238000012545 processing Methods 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 8
- 230000006837 decompression Effects 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 4
- 238000003754 machining Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 229910052758 niobium Inorganic materials 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000000137 annealing Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 239000002887 superconductor Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/525—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length for wire, for rods
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
- C21D1/773—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material under reduced pressure or vacuum
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/0016—Apparatus or processes specially adapted for manufacturing conductors or cables for heat treatment
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
Abstract
The invention discloses a zero-tension synchronous transmission heat treatment system for preparing a high-performance superconducting wire, which comprises a closed box body, wherein a sealing door is arranged on the box body, and the zero-tension synchronous transmission heat treatment system further comprises a vacuum pump, a paying-off wheel, an electrode wheel set, a power supply, a gallium liquid tank, a guide wheel, a driving wheel set, a motor, a synchronous transmission belt and a wire winding wheel. After the vacuum pump vacuumizes the box body, the motor rotates to drive the synchronous driving wheel to rotate, the synchronous driven wheel also rotates due to the action of the synchronous driving belt, under the action of friction force, the wire moves and pulls the paying-off wheel to rotate, the paying-off wheel rotates to drive the paying-off wheel to rotate, the paying-off wheel collects the wire, the wire is quickly heated through the electrode wheel and quickly cooled through metal gallium liquid in the moving process of the wire, the whole device is powered by the traction of a single motor, the problem of speed deviation possibly generated among a plurality of power sources is avoided, the possibility of wire breakage is reduced, RHQ heat treatment of the wire in a vacuum environment is realized, and the device is simple in structure, convenient to use and good in effect.
Description
Technical Field
The invention relates to a heat treatment device, in particular to a zero-tension synchronous transmission heat treatment system for preparing a high-performance superconducting wire.
Background
The superconducting material has extremely strong performance and wide application field, and is divided into a high-temperature superconducting material and a low-temperature superconducting material, and the low-temperature superconducting material which is applied at present mainly comprises NbTi and Nb 3 Sn、Nb 3 Al, etc., and the high-temperature superconducting material having practical value mainly comprises bismuth (T c About 90K-110K), yttrium system (T c About 90K), mgB2 (T) c 39K) and an iron-based superconductor (T c Up to 55K), while challenged by the continued development of high temperature superconducting materials, low temperature superconducting materials currently have no alternative to advantages in terms of mass processing technology, cost, and stability in use.
In particular applications, superconducting materials are often produced as wires, but the electrical resistance at the junction of two sections of wires in use is high, so that the length of the once-produced wires needs to be increased in production.
Disclosure of Invention
The invention aims to overcome the defects of the prior art that the length of a once prepared wire rod needs to be increased in production, and provides a zero-tension synchronous transmission heat treatment system for preparing a high-performance superconducting wire rod.
In order to achieve the above object, the present invention provides the following technical solutions:
the zero-tension synchronous transmission heat treatment system for preparing the high-performance superconducting wire comprises a closed box body, wherein a sealing door is arranged on the box body, and the zero-tension synchronous transmission heat treatment system further comprises:
the vacuum pump is arranged outside the box body and communicated with the inside of the box body, and is used for forming a vacuum cavity in the box body;
the paying-off wheel is arranged in the box body and is used for arranging wires to be processed;
the linear velocity measuring instrument is arranged in the box body and is used for measuring the actual running velocity of the wire rod;
the electrode wheel set is arranged in the box body and comprises an electrode wheel and a synchronous driven wheel, the circumferences of the electrode wheel and the synchronous driven wheel are tangential, the wire rod is led out by the paying-off wheel and then passes through the space between the electrode wheel and the synchronous driven wheel, and the electrode wheel is used for heating the wire rod passing through the space;
the power supply is respectively connected with the vacuum pump and the electrode wheel and is used for ohmic heating of the wire rod through the electrode wheel;
the gallium liquid tank is arranged in the box body, and is internally provided with a metal gallium liquid which is used for rapidly cooling the heated wire rod;
the guide wheel is arranged in the box body and is positioned at the gallium liquid groove, the wire rod is led out from the synchronous driven wheel and then bypasses the guide wheel, and the guide wheel submerges the wire rod in the gallium liquid;
the driving wheel set is arranged in the box body and comprises a synchronous driving wheel and a second auxiliary wheel, the circumferences of the synchronous driving wheel and the second auxiliary wheel are tangential, and the wire rod is led out by the guide wheel and then passes through the space between the synchronous driving wheel and the second auxiliary wheel;
the motor is connected with the synchronous driving wheel and is communicated with the power supply and used for driving the synchronous driving wheel to rotate;
the synchronous transmission belt is arranged in the box body and is connected with the synchronous driving wheel and the synchronous driven wheel, and the synchronous transmission belt is used for enabling the synchronous driving wheel and the synchronous driven wheel to synchronously rotate;
the wire winding wheel is arranged in the box body, the wire winding wheel is tangentially arranged with the circumference of the paying-off wheel, and the wires are collected and tidied into a coil by the wire winding wheel after being led out by the synchronous driving wheel.
The zero-tension synchronous transmission heat treatment system for preparing the high-performance superconducting wire is mainly used for NbTi and Nb 3 Sn、Nb 3 RHQ (rapid heating and rapid cooling) heat treatment of low-temperature wires such as Al and the like, and the closed box body can keep high-temperature sealing in the box body so as to minimize the oxygen content in the box body.
According to the zero-tension synchronous transmission heat treatment system for preparing the high-performance superconducting wire, after the vacuum pump vacuumizes the box body, the motor rotates to drive the synchronous driving wheel to rotate, the synchronous driving wheel also rotates due to the action of the synchronous driving belt, under the action of friction force, the wire moves and pulls the paying-off wheel to rotate, the paying-off wheel rotates to drive the take-up wheel to rotate, the take-up wheel collects the wire, the wire is quickly heated through the electrode wheel and is quickly cooled through the gallium metal liquid in the wire moving process, the whole device is pulled by the single motor to provide power, the problem of speed deviation possibly generated among a plurality of power sources is solved, the possibility of wire breakage is reduced, meanwhile, due to the adoption of the synchronous driving belt, the probability of zero-tension quick-heating and quick-cooling heat treatment of the wire between the electrode wheel set and the driving wheel set is reduced, the wire pressing wheel and the second auxiliary wheel are also used as wheels to collect the wire, the wire is driven by friction force, the wire is driven by the electrode wheel, the wire is easily tensioned by the tensioning wheel set and the wire is stressed by the tensioning wheel, and the wire is easily stressed by the tensioning wheel set, and the wire is convenient to realize the problem of the environment, and the problem of wire is easy to take-up and the wire is easily stressed under the tensioning device.
Preferably, the electrode wheel is a copper structural member.
Preferably, the motor is a servo motor.
Preferably, the heat treatment apparatus further includes a brake provided in the case, the brake being connected to the power supply, the brake being used for braking the synchronous driving wheels.
Preferably, an infrared temperature measuring window is arranged on the box body, an infrared thermometer is arranged outside the corresponding box body, and the infrared thermometer is used for detecting the maximum temperature value of the wire rod of the heating section.
Preferably, a decompression valve is arranged on the box body.
By adopting the structure, the decompression valve can be communicated with the inside and the outside of the box body, and is used for putting air after the wire to be processed on the paying-off wheel is subjected to heat treatment, so that the sealing door can be opened.
Preferably, a heating circuit is arranged in the box body and is communicated with the power supply, and the heating circuit is used for heating and removing water in the box body before the vacuum pump works.
Preferably, the heating circuit is connected with the gallium liquid tank and is used for heating the gallium liquid, so that when the ambient temperature in winter is lower than the melting point of the gallium, the gallium is heated and liquefied to meet the RHQ heat treatment requirement.
Preferably, a vacuum gauge is arranged in the box body and is used for detecting the air pressure in the box body.
Preferably, an ambient thermometer is arranged in the box body, and after the box body forms a vacuum cavity, the motor and other components in the box body have certain requirements on the working ambient temperature, so that the temperature in the vacuum cavity of the box body needs to be detected.
Preferably, the gallium liquid tank is a stainless steel tank.
Preferably, a gallium liquid thermometer is arranged on the gallium liquid tank, the gallium liquid thermometer is used for measuring the temperature of liquid gallium, and the temperature of the liquid gallium is required to be lower than 60 ℃.
Preferably, a video monitoring component is arranged in the box body and is used for recording each processing process, recorded video can be used for finding possible problems in processing, and the reasons can be analyzed afterwards to continuously perfect the whole processing process.
Preferably, a transparent panel is arranged on the box body, and the transparent panel is used for observing the processing condition in the box body outside the box body.
Preferably, the transparent panel is glass.
Preferably, the heat treatment device further comprises a finishing wheel set, wherein the finishing wheel set is arranged in the box body and comprises a finishing wheel and a first auxiliary wheel, the finishing wheel and the circumference of the first auxiliary wheel are tangentially arranged, and the wire rod is led out by the paying-off wheel and then passes through the space between the finishing wheel and the first auxiliary wheel and then led to the electrode wheel set.
By adopting the structure, the arranging wheel group is used for arranging the wires led out from the paying-off wheel, adjusting the entering direction and angle of the wires and avoiding knotting or taking off the wires.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
1. by applying the zero-tension synchronous transmission heat treatment system for preparing the high-performance superconducting wire, the vacuum pump vacuumizes the box body, the motor rotates to drive the synchronous driving wheel to rotate, the synchronous driving wheel also rotates under the action of the synchronous driving belt, under the action of friction force, the wire moves and pulls the paying-off wheel to rotate, the paying-off wheel rotates to drive the take-up wheel to rotate, the take-up wheel collects the wire, the wire is quickly heated through the electrode wheel and is quickly cooled through the gallium metal liquid in the moving process of the wire, the whole device is pulled by the single motor to provide power, the problem of speed deviation possibly generated among a plurality of power sources is solved, the possibility of wire breakage is reduced, meanwhile, due to the adoption of the synchronous driving belt, the wire can realize zero-tension quick-heating and quick-cooling heat treatment between the electrode wheel set and the driving wheel set, the wire pressing wheel is also used as a wheel to collect the wire, the wire is driven by friction force, the wire is driven by the electrode wheel and the wire jumper, the wire is easily tensioned by the tensioning wheel set, and the wire is easily stressed by the tensioning wheel set, and the wire is convenient to realize the problem of the tensioning device under the conditions of taking-up and the wire, and the tensioning device is free of the environment, and the problem of the wire is avoided when the wire is stressed by the tensioning device;
2. by adopting the zero-tension synchronous transmission heat treatment system for preparing the high-performance superconducting wire rod, which is disclosed by the invention, the box body is provided with the decompression valve, and by adopting the structural arrangement, the decompression valve can be communicated with the inside and the outside of the box body and is used for putting air after the heat treatment of the wire rod to be processed on the paying-off wheel is finished, so that the sealing door is opened;
3. the zero-tension synchronous transmission heat treatment system for preparing the high-performance superconducting wire rod further comprises a finishing wheel set, wherein the finishing wheel set is arranged in the box body and comprises a finishing wheel and a first auxiliary wheel, the circumference of the finishing wheel and the circumference of the first auxiliary wheel are tangent, the wire rod is led out by the paying-off wheel and then passes through the space between the finishing wheel and the first auxiliary wheel, and by adopting the structural arrangement, the finishing wheel set is used for finishing the wire rod led out from the paying-off wheel, adjusting the entering direction and the entering angle of the wire rod, and avoiding knotting or taking-off of the wire rod.
Drawings
Fig. 1 is a schematic structural diagram of a zero-tension synchronous transmission heat treatment system for preparing a high-performance superconducting wire according to the present invention.
The marks in the figure: the device comprises a 01-wire rod, a 1-box body, a 11-paying-off wheel, a 12-sorting wheel set, a 121-sorting wheel, a 122-first auxiliary wheel, a 13-electrode wheel set, a 131-electrode wheel, a 132-synchronous driven wheel, a 14-gallium liquid tank, a 15-guiding wheel, a 16-driving wheel set, a 161-synchronous driving wheel, a 162-second auxiliary wheel, a 17-synchronous transmission belt, a 18-wire winding wheel, a 2-vacuum pump and a 3-power supply.
Detailed Description
The present invention will be described in further detail with reference to test examples and specific embodiments. It should not be construed that the scope of the above subject matter of the present invention is limited to the following embodiments, and all techniques realized based on the present invention are within the scope of the present invention.
Examples
As shown in FIG. 1, the zero-tension synchronous transmission heat treatment system for preparing high-performance superconducting wires is used for Nb 3 RHQ heat treatment of Al low temperature wire rod, the device includes inclosed box 1, be equipped with sealing door on the box 1, still include:
a vacuum pump 2, which is arranged outside the box body 1 and communicated with the inside of the box body 1, and is used for forming a vacuum cavity in the box body 1, so that the vacuum degree of the cavity is less than 0.001 Pa;
the vacuum gauge is arranged in the box body 1 and is used for detecting the air pressure in the box body 1;
the decompression valve is arranged on the box body 1, can be communicated with the inside and the outside of the box body 1, and is used for putting air after the heat treatment of the wire 01 to be processed on the paying-off wheel 11 is finished, so as to open the sealing door;
the paying-off wheel 11 is arranged in the box body 1 and is used for arranging wires 01 to be processed;
the sorting wheel set 12 is arranged in the box body 1 and comprises a sorting wheel 121 and a first auxiliary wheel 122, the circumference of the sorting wheel 121 and the circumference of the first auxiliary wheel 122 are tangentially arranged, the wire 01 passes through the space between the sorting wheel 121 and the first auxiliary wheel 122 after being led out by the paying-off wheel 11, and the sorting wheel set 12 is used for sorting the wire 01 led out from the paying-off wheel 11, adjusting the entering direction and the entering angle of the wire 01 and avoiding knotting or wheel release of the wire 01;
the electrode wheel set 13 is arranged in the box body 1 and comprises an electrode wheel 131 and a synchronous driven wheel 132, the circumference of the electrode wheel 131 and the circumference of the synchronous driven wheel 132 are tangentially arranged, the wire 01 is led out by the finishing wheel 121 and then passes through the space between the electrode wheel 131 and the synchronous driven wheel 132, the electrode wheel 131 is a copper structural member, and the electrode wheel 131 is used for rapidly heating the wire 01 passing through to about 2000 ℃;
the linear velocity measuring instrument is arranged in the box body 1 and is positioned between the finishing wheel set 12 and the electrode wheel set 13 and is used for measuring the actual running velocity of the wire 01 and monitoring the velocity to meet the requirements of rapid heating and rapid cooling of the wire 01;
a power supply 3 connected to the vacuum pump 2 and the electrode wheel 131, respectively, for ohmic heating of the wire 01 by the electrode wheel 131;
the stainless steel gallium liquid tank 14 is arranged in the box body 1, a gallium metal liquid is arranged in the gallium liquid tank 14 and used for rapidly cooling the heated wire 01 to 40-50 ℃, a gallium liquid thermometer is arranged on the gallium liquid tank 14 and used for measuring the temperature of liquid gallium, and the temperature of the liquid gallium is required to be lower than 60 ℃;
the guide wheel 15 is arranged in the box body 1 and is positioned at the gallium liquid groove 14, the wire 01 is led out from the synchronous driven wheel 132 and then bypasses the guide wheel 15, and the guide wheel 15 submerges the wire 01 in the gallium metal liquid;
the driving wheel set 16 is arranged in the box body 1 and comprises a synchronous driving wheel 161 and a second auxiliary wheel 162, the circumferences of the synchronous driving wheel 161 and the second auxiliary wheel 162 are tangential, and the wire 01 passes between the synchronous driving wheel 161 and the second auxiliary wheel 162 after being led out by the guiding wheel 15;
a servo motor connected to the synchronous driving wheel 161 and connected to the power supply 3 for driving the synchronous driving wheel 161 to rotate;
a brake provided in the case 1, connected to the power supply 3, for braking the synchronous drive wheel 161;
the synchronous transmission belt 17 is arranged in the box body 1, the synchronous transmission belt 17 is connected with the synchronous driving wheel 161 and the synchronous driven wheel 132, and the synchronous transmission belt 17 is used for synchronously rotating the synchronous driving wheel 161 and the synchronous driven wheel 132;
the wire take-up wheel 18 is arranged in the box body 1, the wire take-up wheel 18 is tangentially arranged with the circumference of the finishing wheel 121, and the wires 01 are collected and finished into a roll by the wire take-up wheel 18 after being led out by the synchronous driving wheel 161;
the infrared temperature measuring window is arranged on the box body 1, and an infrared thermometer is arranged outside the corresponding box body 1 and is used for detecting the maximum temperature value of the wire 01 of the heating section;
the heating circuit is arranged in the box body 1 and is communicated with the power supply 3, the heating circuit is used for heating and removing moisture in the box body 1 before the vacuum pump 2 works, and the heating circuit is connected with the gallium liquid tank 14 and is used for heating the gallium metal liquid, so that when the ambient temperature in winter is lower than the melting point of the gallium metal, the gallium metal is heated and liquefied to meet the RHQ heat treatment requirement;
the environment thermometer is arranged in the box body 1, and the temperature in the vacuum cavity of the box body 1 needs to be detected because the parts such as the motor and the like in the box body 1 have certain requirements on the working environment temperature after the vacuum cavity is formed in the box body 1;
the video monitoring component is arranged in the box body 1 and is used for recording each processing process, the recorded video can be used for finding out possible problems in the processing process, and the reasons can be analyzed afterwards to continuously perfect the whole processing process;
and a glass panel provided on the case 1 for observing the processing conditions in the case 1 outside the case 1.
Wherein the wire 01 between the paying-off wheel 11 and the electrode wheel set 13 belongs to a superconducting precursor wire, and the wire 01 does not have superconducting performance; the wire 01 between the electrode wheel set 13 and the guide wheel 15 is a heat treatment key stage of rapidly heating to about 2000 ℃ and then rapidly cooling to 40-50 ℃; the wire 01 after the guide wheel 15 has a portion of superconducting properties; after the take-up wheel 18 takes up the wire 01, annealing treatment is required in the later stage.
According to the zero-tension synchronous transmission heat treatment system for preparing the high-performance superconducting wire, the vacuum pump 2 pumps the inside of the box body 1 to be vacuumized, the motor rotates to drive the synchronous driving wheel 161 to rotate, the synchronous driven wheel 132 also rotates under the action of the synchronous driving belt 17, the wire 01 moves and pulls the paying-off wheel 11 to rotate under the action of friction force, the paying-off wheel 11 rotates to drive the take-up wheel 18 to rotate, the take-up wheel 18 collects the wire 01, the wire 01 is rapidly heated through the electrode wheel 131 and rapidly cooled through metal gallium liquid in the moving process of the wire 01, the whole device is driven by a single motor to provide power, the problem of speed deviation possibly generated among a plurality of power sources is solved, the possibility of wire breakage is reduced, meanwhile, due to the adoption of the synchronous driving belt 17, the wire 01 can be subjected to zero-tension rapid heat treatment between the electrode wheel set 13 and the driving wheel set 16, the probability of wire 01 is reduced, the wire 01 can be well subjected to the tension force of the wire wheel set and the wire take-off wheel, the wire is well stressed by the electrode wheel set 131, and the wire take-off wheel set is driven by the electrode wheel set 16, and the wire take-off wheel is convenient to realize the problem of the wire winding and the wire is solved, and the wire winding device is free of the problem of being subjected to the environment.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (8)
1. The zero-tension synchronous transmission heat treatment system for preparing high-performance superconducting wires comprises a closed box body (1), wherein a sealing door is arranged on the box body (1), and the zero-tension synchronous transmission heat treatment system is characterized by further comprising:
the vacuum pump (2) is arranged outside the box body (1) and communicated with the inside of the box body (1) and is used for forming a vacuum cavity in the box body (1), and a vacuum gauge and an environment thermometer are arranged in the box body (1);
the paying-off wheel (11) is arranged in the box body (1) and is used for arranging wires (01) to be processed;
the linear velocity measuring instrument is arranged in the box body (1) and is used for measuring the actual running velocity of the wire rod (01);
the electrode wheel set (13) is arranged in the box body (1) and comprises an electrode wheel (131) and a synchronous driven wheel (132), the electrode wheel (131) and the synchronous driven wheel (132) are arranged in a circumferential tangency manner, the wire (01) passes through the space between the electrode wheel (131) and the synchronous driven wheel (132) after being led out by the paying-off wheel (11), and the electrode wheel (131) is used for heating the wire (01) passing through;
a power supply (3) which is respectively connected with the vacuum pump (2) and the electrode wheel (131) and is used for ohmic heating of the wire (01) through the electrode wheel (131);
a gallium liquid tank (14) arranged in the box body (1), wherein a gallium metal liquid is arranged in the gallium liquid tank (14) and is used for rapidly cooling the heated wire (01);
the guide wheel (15) is arranged in the box body (1) and is positioned at the gallium liquid groove (14), the wire (01) is led out from the synchronous driven wheel (132) and then bypasses the guide wheel (15), and the guide wheel (15) submerges the wire (01) in the gallium liquid;
the driving wheel set (16) is arranged in the box body (1) and comprises a synchronous driving wheel (161) and a second auxiliary wheel (162), the circumference of the synchronous driving wheel (161) and the circumference of the second auxiliary wheel (162) are tangentially arranged, and the wire (01) passes through the space between the synchronous driving wheel (161) and the second auxiliary wheel (162) after being led out by the guide wheel (15);
the motor is connected with the synchronous driving wheel (161) and is communicated with the power supply (3) and is used for driving the synchronous driving wheel (161) to rotate;
the synchronous transmission belt (17) is arranged in the box body (1), and the synchronous transmission belt (17) is connected with the synchronous driving wheel (161) and the synchronous driven wheel (132);
the wire winding wheel (18) is arranged in the box body (1), the wire winding wheel (18) is tangential to the circumference of the paying-off wheel (11), and the wires (01) are collected and tidied into a coil by the wire winding wheel (18) after being led out by the synchronous driving wheel (161).
2. The zero-tension synchronous transmission heat treatment system for preparing the high-performance superconducting wire according to claim 1, wherein an infrared temperature measuring window is arranged on the box body (1), and an infrared thermometer is arranged outside the corresponding box body (1).
3. The zero-tension synchronous drive heat treatment system for preparing a high-performance superconducting wire according to claim 1, wherein a decompression valve is arranged on the box body (1).
4. The zero-tension synchronous transmission heat treatment system for preparing a high-performance superconducting wire according to claim 1, wherein a heating circuit is arranged in the box body (1), the heating circuit is communicated with the power supply (3), and the heating circuit is used for heating and removing moisture in the box body (1) before the vacuum pump (2) works.
5. The zero-tension synchronous drive heat treatment system for producing a high-performance superconducting wire according to claim 4, wherein the heating circuit is connected to the gallium bath (14) for heating the metallic gallium liquid.
6. The zero-tension synchronous drive heat treatment system for preparing a high-performance superconducting wire according to claim 1, wherein a video monitoring component is arranged in the box body (1) and is used for recording each machining process.
7. The zero-tension synchronous drive heat treatment system for preparing a high-performance superconducting wire according to claim 1, wherein a transparent panel is provided on the case (1) for observing the conditions of processing inside the case (1) outside the case (1).
8. The zero-tension synchronous drive heat treatment system for preparing a high-performance superconducting wire rod according to any one of claims 1 to 7, further comprising a finishing wheel set (12), wherein the finishing wheel set (12) is arranged in the box body (1) and comprises a finishing wheel (121) and a first auxiliary wheel (122), the circumference of the finishing wheel (121) and the circumference of the first auxiliary wheel (122) are tangentially arranged, and the wire rod (01) passes between the finishing wheel (121) and the first auxiliary wheel (122) after being led out by the paying-off wheel (11) and is led to the electrode wheel set (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910045213.9A CN109609750B (en) | 2019-01-17 | 2019-01-17 | Zero-tension synchronous transmission heat treatment system for preparing high-performance superconducting wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910045213.9A CN109609750B (en) | 2019-01-17 | 2019-01-17 | Zero-tension synchronous transmission heat treatment system for preparing high-performance superconducting wire |
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| CN110610781B (en) * | 2019-08-28 | 2022-03-11 | 福建师范大学 | Heat treatment device and method for high-performance iron-based superconducting wire |
| CN114446536A (en) * | 2022-02-24 | 2022-05-06 | 福建师范大学 | Improved Nb preparation method3Method for preparing Al superconductive long wire |
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