CN103134337B - Automatic-temperature-control fixed-point furnace is used to generate the method for Wen Ping - Google Patents
Automatic-temperature-control fixed-point furnace is used to generate the method for Wen Ping Download PDFInfo
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- CN103134337B CN103134337B CN201110379840.XA CN201110379840A CN103134337B CN 103134337 B CN103134337 B CN 103134337B CN 201110379840 A CN201110379840 A CN 201110379840A CN 103134337 B CN103134337 B CN 103134337B
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Abstract
The invention discloses a kind of Automatic-temperature-control fixed-point furnace and use it to recall the method for Wen Ping, Automatic-temperature-control fixed-point furnace comprises computer, control cabinet and heating unit, at control cabinet internal fixtion, status indicator lamp is set, in control cabinet or on the tank wall of control cabinet, arrange acoustical generator, control cabinet signal output part connects above-mentioned status indicator lamp and acoustical generator power supply input terminal separately by output line correspondence; Its method is: computer sends control instruction by preset program to temperature controller, whether to make heating unit work, make the temperature that fixing point bottle reaches required, computer can at the alternating temperature stage hold mode indicator lamp Chang Liang of fixing point bottle, status indicator lamp is also made to glimmer at the stage alternating temperature point of key, and the acoustical generator arranged in control cabinet can send buzzing or alarm bell sound, with the generation reminding testing staff to need artificial participation, helper-inducer Wen Ping.The present invention improves operating personnel and controls precision and man-machine cooperation efficiency, reduces fixing point and makes failed probability.
Description
Technical field
The invention belongs to thermal technology's metering field, not only relate to the improvement to the thermostat structure that furnace for reproduction of fixed points controls, also relate to the method recalling Wen Ping with its modified node method, particularly use Automatic-temperature-control fixed-point furnace to generate the method for Wen Ping.
Background technology
The working method of tradition fixing point stove control device is after temperature is set to certain temperature value by operating personnel, and temperature controller completes the control of some design temperatures.When furnace temperature needs to change, target temperature is reset again by operator, then the control of Current Temperatures is completed by temperature controller, such temperature control method control accuracy is poor, still can meet the demands for the temperature control during fusing heating of metal initial stage, but the temperature control crossing cold-peace constant temperature part is just seemed that some is difficult to exact operations.In addition, the artificial participation composition of which is more, and temperature control method depends on the experience of operating personnel, the reliability of accurate detection decreases, and as when heated, heating how long, when lower the temperature, the decision-making work of when to induce etc. all needs to rely on the experience of operating personnel to complete.Because the supercooling temperature of fixing point stove may be all different when making warm level ground at every turn, if the cold deficiency of the mistake of metal will be caused according to a kind of fixing pattern, warm level ground is caused to be shortened, even failed, if do not induced in time when metal crosses cold rear temperature recovery, also Wen Ping is made in shortening, the reliability of follow-up accurate detection is reduced, even can cause the making failure of whole Wen Ping, all that has been achieved is spoiled.
Summary of the invention
The object of the present invention is to provide a kind of method using Automatic-temperature-control fixed-point furnace to generate Wen Ping, improve operating personnel control precision, warm level ground generates success rate and man-machine cooperation efficiency; Fixing point can be generated at any time, increase work efficiency, alleviate the working strength of testing staff, reduce fixing point and make failed probability, without the need to making fixing point bottle be in melting state for a long time, the working time of saving testing staff and the mass energy expended because of insulation.
The object of the present invention is achieved like this: a kind of method using Automatic-temperature-control fixed-point furnace to generate Wen Ping, this Automatic-temperature-control fixed-point furnace comprises computer, control cabinet, sampler, fixed point electric furnace and heating unit, in control cabinet, temperature controller is installed, the display screen of temperature controller and shift knob thereof are arranged on the front tank wall of control cabinet, heating unit is made up of resistive heater, sampler is standard platinum resistance thermometer and monitor temperature meter, in fixed point electric furnace, fixing point bottle and resistive heater are set, resistance heating wire is fixed on outside fixing point bottle, thermometer trap is set in fixing point bottle, the output port of computer passes through the signal input port of signal transmission line connection control case, the probe of standard platinum resistance thermometer stretches into thermometer trap internal fixtion, the probe of monitor temperature meter is fixed between resistive heater and fixing point bottle, control cabinet is by its corresponding signal input part connection standard platinum resistance thermometer and monitor temperature meter, and connect resistive heater by its output control terminal, the front tank wall of control cabinet is fixedly installed status indicator lamp, in control cabinet or on the tank wall of control cabinet, acoustical generator is set, its signal output part of control cabinet connects above-mentioned status indicator lamp and acoustical generator power supply input terminal separately by output line correspondence, described acoustical generator is buzzer, the automatic rate-determining steps of its computer:
(1) control resistive heater heat temperature raising by temperature controller, and make the maximum temperature of resistive heater than the fusing point of metal to be measured be placed in fixed point electric furnace by monitor temperature meter and exceed 20K, K is temperature unit-Kelvin, with heating, melt the metal to be measured be placed in thermometer trap, namely resistive heater its heat the maximum temperature that rises to for (T+20), T is the melting temperature of metal to be measured;
(2) described status indicator lamp is made up of to the 6th status indicator lamp (i.e. A lamp, B lamp, C lamp, D lamp, E lamp, F lamp) six status indicator lamps-the first, utilize the temperature in the real-time described thermometer trap of monitor temperature meter, give the first status indicator lamp energising simultaneously, keep the first indicator lamp (A lamp) Chang Liang;
(3) with real-time heating temperature and its melting temperature that monitor temperature meter contrasts metal to be measured to sample, if the real-time heating temperature of metal to be detected has reached its melting temperature, to the second status indicator lamp (B lamp) energising, keep the second status indicator lamp Chang Liang;
(4) whether exceed the melting temperature T of metal to be measured by temperature in standard platinum resistance thermometer monitor temperature meter trap again, to third state indicator lamp (C lamp) energising, keep the 3rd indicator lamp Chang Liang;
(5) the real time temperature of the resistive heater monitored according to monitor temperature meter, resistive heater alternating temperature is controlled by temperature controller, make the maximum temperature of resistive heater exceed 2-3K than the fusing point of metal to be measured, be cooled to [(T+2)-(T+3)];
(6) when the stability bandwidth that standard platinum resistance thermometer detects temperature in thermometer trap is greater than 0.1K/min, then give the 4th status indicator lamp (D lamp) energising, keep the 4th status indicator lamp Chang Liang;
(7) when the stability bandwidth that standard platinum resistance thermometer detects temperature in thermometer trap is down to below 0.5mK/10min by 0.1K/10min, then give the 5th status indicator lamp (E lamp) energising, the 5th status indicator lamp (E lamp) is kept to glimmer, and be energized to acoustical generator, acoustical generator is sounded a buzzer, the testing staff of prompting manipulation control cabinet: the temperature in thermometer trap starts to decline;
(8) utilize the temperature of standard platinum resistance thermometer again in detected temperatures meter trap to proceed detection, when standard platinum resistance thermometer detects temperature in thermometer trap whether lower than the melting temperature of metal to be measured, as the melting temperature T of temperature in thermometer trap lower than metal to be measured, then make resistive heater heating up, at least go up to the melting temperature of metal to be measured to make temperature in thermometer trap, and give the 6th status indicator lamp (F lamp) energising, the 5th status indicator lamp (E lamp) and the 6th status indicator lamp (F lamp) is kept together to continue flicker, and acoustical generator is sounded a buzzer again, the real-time temperature in thermometer trap is regulated to generate Wen Ping with inducing temperature trap to point out the testing staff of manipulation control cabinet by manual manipulation computer and/or control cabinet.
Major function of the present invention is the temperature signal that computer acquisition standard platinum resistance thermometer detects, carry out data processing again, send the data handled well to temperature controller, temperature controller controls the temperature of heater strip, finally reaches the object of prosthetic automatic control on duty.Major function of the present invention is divided into three parts: 1. to the monitoring of temperature in thermometer trap: temperature controller is by inserting in the thermometer trap of furnace for reproduction of fixed points by first-class or its probe of secondary standard platinum resistance thermometer, variations in temperature in monitor temperature meter trap, then send the data of relevant temperature to computer disposal again, Monitoring Data is sent to computer by USB interface, and the numerical value of the relevant temperature that temperature controller collects is the most key data; 2. the data processing of computer: computer changes the data of the first-class RTD collected into Temperature numerical analysis, automatically draws out the temperature variation curve in thermometer trap, and corresponding control instruction is sent to temperature controller by 485 interfaces; 3. heating unit: heating unit sends by 485 interfaces the data handled well to temperature controller, the Temperature numerical of the instruction that temperature controller is sent according to computer and setting, and monitor the temperature that industrial platinum resistance detects, the temperature that the Temperature numerical of setting and monitoring industrial platinum resistance detect is compared, with controlling resistance silk heat temperature raising or stopping, fixing point stove is heated, make the temperature of fixing point stove reach the temperature of setting.The present invention is rational in infrastructure, novel, more convenient operation, has automatic alarming function, is pointed out each stage, the state at transformation temperature place by the mode of vision or the sense of hearing, improves operating personnel and controls precision and man-machine cooperation efficiency.
The general principle adopting method of the present invention to generate fixing point Wen Ping controls resistive heater heating by temperature controller, final purpose is after being melted completely by the metal to be measured in fixing point bottle, the metal Slow cooling to be measured such as again, the warm level ground of solidifying of the metal to be measured in fixing point bottle is occurred, then resistive heater heating is controlled by temperature controller, make fixing point bottle (surrounding) temperature constant, thus warm level ground is continued requirement that the longer time reaches calibrating.
Now introduce the object how realizing automatically recalling Wen Ping by method of the present invention, standard platinum resistance thermometer is as the temperature element of the variations in temperature in monitor temperature meter trap, its being caused by variations in temperature in thermometer trap can be popped one's head in resistance variations signal transmission to control cabinet, control cabinet by the resistance variations signal that collects after treatment, send computer again to and carry out data processing by it, computer sends control instruction by preset program to temperature controller and (as heats or be cooled to a certain temperature, or according to certain ramp or cooling), the adjustable resistive heater heating power of temperature controller, fixing point bottle (thermometer trap) is made to reach required temperature, status indicator lamp is wherein used to indicate variations in temperature state, make operating personnel more intuitively can arrive variations in temperature in fixing point bottle, and computer can make status indicator lamp keep Chang Liang in the alternating temperature stage of fixing point bottle, in the alternating temperature stage hold mode indicator lamp flicker of key, meanwhile, the acoustical generator arranged in control cabinet can send buzzing or alarm bell sound, artificial participation is needed to remind testing staff, the generation of helper-inducer Wen Ping.
Main feature of the present invention be exactly computer controlled automatic to generate Wen Ping, heat up or cooling time material time section, remind operator to need the artificial generation participating in inducing Wen Ping by light and the mode of the sound.The present invention can be converted by original device, can have the function with light and/or sound temperature alarm state, greatly reduce the cost of metrological service.The present invention improves the success rate and man-machine cooperation efficiency that operating personnel control precision, warm level ground generates; Fixing point can be generated at any time, increase work efficiency, alleviate the working strength of testing staff, reduce fixing point and make failed probability, without the need to making fixing point bottle be in melting state for a long time, the working time of saving testing staff and the mass energy expended because of insulation.
Accompanying drawing explanation
Fig. 1 is the apparatus structure schematic diagram of Automatic-temperature-control fixed-point furnace of the present invention;
Fig. 2 is the respective function figure (warm level ground generates and schemes) of thermometer trap temperature variation curve and heating unit temperature variation curve;
Fig. 3 is that the present invention uses Automatic-temperature-control fixed-point furnace to generate the process control chart of the method for Wen Ping.
Detailed description of the invention
A kind of Automatic-temperature-control fixed-point furnace, as shown in Figure 1, comprise computer 10, control cabinet 9, sampler, fixed point electric furnace 3 and heating unit, temperature controller 4 is installed in control cabinet 9, the display screen of temperature controller 4 and shift knob 11 thereof are arranged on the front tank wall of control cabinet 9, heating unit is made up of resistive heater 6, sampler is standard platinum resistance thermometer 1 and monitor temperature meter 2, in fixed point electric furnace 3, fixing point bottle 7 and resistive heater 6 are set, resistive heater 6 is fixed on outside fixing point bottle 7, thermometer trap 8 is set in fixing point bottle 7, the output port of computer 10 passes through the signal input port of signal transmission line connection control case 9, the probe of standard platinum resistance thermometer 1 stretches into thermometer trap 8 internal fixtion, the probe of monitor temperature meter 2 is fixed between resistive heater 6 and fixing point bottle 7, control cabinet 9 is by its corresponding signal input part connection standard platinum resistance thermometer 1 and monitor temperature meter 2, and connect resistive heater 6 by its output control terminal, the front tank wall of control cabinet 9 is fixedly installed status indicator lamp 5, in control cabinet 9 or on the tank wall of control cabinet 9, acoustical generator is set, its signal output part of control cabinet 9 connects above-mentioned status indicator lamp 5 and acoustical generator power supply input terminal separately by output line correspondence.
Described acoustical generator is buzzer.
As shown in Figure 2, by the temperature variation curve of A point to the broken line representation temperature meter trap of H point, represented the temperature variation curve of heating unit to the broken line of F1 point by A1 point, these two curves describe in detail the relation of temperature control and the generation of warm level ground, the stage recalling Wen Ping comparatively crucial has three: one to be BC section, and the metal namely in fixing point bottle starts fusing; Two is DE section (stabilization sub stages), the length of this period directly has influence on the quality of most final temperature level ground quality, the Main Function of DE section makes the temperature of the metal in fixing point bottle reach consistent balance, so that the crystal of separating out when follow-up solidification and crystallization is comparatively even; Three is that EG section (spending the cold crystallization stage) each material has certain equilibrium crystallization temperature or is called theoretical crystallization temperature.But in fact, can not crystallization be carried out when fluid temperature reaches theoretical crystallization temperature, and a certain temperature (being called actual beginning crystallization temperature) below its temperature just must start crystallization.Therefore, process control chart as shown in Figure 3 can be obtained, the core of Row control is exactly temperature (monitor temperature in thermometer trap counts the second-class or Grade I standard Platinum resistance thermometer that we commonly use) change in detecting temperature meter trap and at some key temperatures points, computer utilizes the temperature controller controlling heating unit (industrial thermocouple or work thermal resistance) to be prompted to operating personnel in time to the variations in temperature in thermometer trap, is aided with artificial induction and generates corresponding Wen Ping.
Use Automatic-temperature-control fixed-point furnace to generate a method of Wen Ping, as shown in Figure 3, the automatic rate-determining steps of its computer 10 is as follows:
(1) control resistive heater 6 heat temperature raising by temperature controller 4, and make the maximum temperature of resistive heater 6 than the fusing point of metal to be measured be placed in fixed point electric furnace 3 by monitor temperature meter 2 and exceed 20K, K is temperature unit-Kelvin, with heating, melt the metal to be measured be placed in thermometer trap 8, namely resistive heater 6 its heat the maximum temperature that rises to for (T+20), T is the melting temperature of metal to be measured;
(2) described status indicator lamp is made up of to the 6th status indicator lamp six status indicator lamps-the first, utilize the temperature in the real-time described thermometer trap 8 of monitor temperature meter 2, give the first status indicator lamp (A lamp) energising simultaneously, keep the first indicator lamp Chang Liang;
(3) with real-time heating temperature and its melting temperature that monitor temperature meter 2 contrasts metal to be measured to sample, if the real-time heating temperature of metal to be measured has reached its melting temperature, to the second status indicator lamp (B lamp) energising, keep the second status indicator lamp Chang Liang;
(4) monitor temperature in described thermometer trap 8 with standard platinum resistance thermometer 1 again and whether exceed the melting temperature T of metal to be measured, to the energising of third state indicator lamp, keep the 3rd indicator lamp (C lamp) Chang Liang;
(5) the real time temperature of the resistive heater 6 monitored according to monitor temperature meter 2, resistive heater 6 alternating temperature is controlled by temperature controller 4, make the maximum temperature of resistive heater 6 exceed 2-3K than the fusing point of metal to be measured, be cooled to [(T+2)-(T+3)];
(6) when the stability bandwidth that standard platinum resistance thermometer 1 detects temperature in thermometer trap 8 is greater than 0.1K/min, then give the 4th status indicator lamp (D lamp) energising, keep the 4th status indicator lamp Chang Liang;
(7) when the stability bandwidth that standard platinum resistance thermometer 1 detects temperature in thermometer trap 8 is down to below 0.5mK/10min by 0.1K/10min, then give the 5th status indicator lamp (E lamp) energising, the 5th status indicator lamp (E lamp) is kept to glimmer, and be energized to acoustical generator, acoustical generator is made to send one section of buzzer, the testing staff of prompting manipulation control cabinet 9: the temperature in thermometer trap 8 starts to decline;
(8) utilize the temperature of standard platinum resistance thermometer 1 again in detected temperatures meter trap 8 to proceed detection, when standard platinum resistance thermometer 1 detects temperature in thermometer trap 8 whether lower than the melting temperature of metal to be measured, as the melting temperature T of temperature in thermometer trap 8 lower than metal to be measured, then make resistive heater 6 heating up, at least go up to the melting temperature of metal to be measured to make temperature in thermometer trap 8, even if temperature is not less than the melting temperature T of metal to be measured in thermometer trap 8, continue to melt metal to be measured, and give the 6th status indicator lamp (F lamp) energising, the 5th status indicator lamp (E lamp) and the 6th status indicator lamp (F lamp) is kept together to continue flicker, and acoustical generator is sounded a buzzer again, the real-time temperature in thermometer trap 8 is regulated to generate Wen Ping with inducing temperature trap 8 to point out the testing staff of manipulation control cabinet 9 by manual manipulation computer 10 and/or control cabinet 9.
Claims (1)
1. the method using Automatic-temperature-control fixed-point furnace to generate Wen Ping, this Automatic-temperature-control fixed-point furnace generates Wen Ping and comprises computer (10), control cabinet (9), sampler, fixed point electric furnace (3) and heating unit, temperature controller (4) is installed in control cabinet (9), the display screen of temperature controller (4) and shift knob (11) thereof are arranged on the front tank wall of control cabinet (9), heating unit is made up of resistive heater (6), sampler is standard platinum resistance thermometer (1) and monitor temperature meter (2), in fixed point electric furnace (3), fixing point bottle (7) and resistive heater (6) are set, resistive heater (6) is fixed on fixing point bottle (7) outward, thermometer trap (8) is set in fixing point bottle (7), the output port of computer (10) passes through the signal input port of signal transmission line connection control case (9), the probe of standard platinum resistance thermometer (1) stretches into thermometer trap (8) internal fixtion, the probe of monitor temperature meter (2) is fixed between resistive heater (6) and fixing point bottle (7), control cabinet (9) is by its corresponding signal input part connection standard platinum resistance thermometer (1) and monitor temperature meter (2), and connect resistive heater (6) by its output control terminal, the front tank wall of control cabinet (9) is fixedly installed status indicator lamp (5), in control cabinet (9) or on the tank wall of control cabinet (9), acoustical generator is set, control cabinet (9) its signal output part connects above-mentioned status indicator lamp (5) and acoustical generator power supply input terminal separately by output line correspondence, described acoustical generator is buzzer, it is characterized in that the automatic rate-determining steps of following computer (10):
(1) control resistive heater (6) heat temperature raising by temperature controller (4), and exceed 20K by the fusing point that monitor temperature meter (2) makes the maximum temperature ratio of resistive heater (6) be placed in the metal to be measured of fixing a point in electric furnace (3), K is temperature unit-Kelvin, with heating, melt the metal to be measured be placed in thermometer trap (8), namely resistive heater (6) its heat the maximum temperature that rises to for (T+20), T is the melting temperature of metal to be measured;
(2) described status indicator lamp (5) is made up of to the 7th status indicator lamp seven status indicator lamps-the first, utilize the temperature in the real-time described thermometer trap (8) of monitor temperature meter (2), give the first status indicator lamp energising simultaneously, keep the first indicator lamp Chang Liang;
(3), with real-time heating temperature and its melting temperature that monitor temperature meter (2) contrasts metal to be measured to sample, if the real-time heating temperature of metal to be measured has reached its melting temperature, to the second status indicator lamp energising, kept the second status indicator lamp Chang Liang;
(4) the melting temperature T using standard platinum resistance thermometer (1) to monitor the interior temperature of described thermometer trap (8) more whether to exceed metal to be measured, to the energising of third state indicator lamp, keeps the 3rd indicator lamp Chang Liang;
(5) the real time temperature of the resistive heater (6) monitored according to monitor temperature meter (2), resistive heater (6) alternating temperature is controlled by temperature controller (4), make the maximum temperature of resistive heater (6) exceed 2-3K than the fusing point of metal to be measured, be cooled to [(T+2)-(T+3)];
(6) when the stability bandwidth that standard platinum resistance thermometer (1) detects temperature in thermometer trap (8) is greater than 0.1K/min, then give the 4th status indicator lamp energising, keep the 4th status indicator lamp Chang Liang;
(7) when the stability bandwidth that standard platinum resistance thermometer (1) detects temperature in thermometer trap (8) is down to below 0.5mK/10min by 0.1K/10min, then give the 5th status indicator lamp energising, keep the 5th status indicator lamp flicker, and be energized to acoustical generator, acoustical generator is sounded a buzzer, the testing staff of prompting manipulation control cabinet (9): the temperature in thermometer trap (8) starts to decline;
(8) utilize the temperature of standard platinum resistance thermometer (1) again in detected temperatures meter trap (8) to proceed detection, when standard platinum resistance thermometer (1) detects temperature in thermometer trap (8) whether lower than the melting temperature of metal to be measured, as the melting temperature T of temperature in thermometer trap (8) lower than metal to be measured, then make resistive heater (6) heating up, at least go up to the melting temperature of metal to be measured to make thermometer trap (8) interior temperature, and give the 5th status indicator lamp energising, the 5th status indicator lamp and the 6th status indicator lamp is kept together to continue flicker, and acoustical generator is sounded a buzzer again, Wen Ping is generated by the manual real-time temperature manipulated in computer (10) and/or control cabinet (9) adjustment thermometer trap (8) with inducing temperature trap (8) to point out the testing staff of manipulation control cabinet (9).
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| CN201110379840.XA CN103134337B (en) | 2011-11-25 | 2011-11-25 | Automatic-temperature-control fixed-point furnace is used to generate the method for Wen Ping |
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| CN201110379840.XA CN103134337B (en) | 2011-11-25 | 2011-11-25 | Automatic-temperature-control fixed-point furnace is used to generate the method for Wen Ping |
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| CN107130998A (en) * | 2017-07-12 | 2017-09-05 | 贵州大学 | A kind of heating cable heats coal seam temperature monitoring system |
| CN110106325A (en) * | 2019-06-21 | 2019-08-09 | 连云港华乐不锈钢制品有限公司 | A kind of Cr13 type stainless steel well annealing furnace annealed condition monitoring device and monitoring method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06159944A (en) * | 1992-11-24 | 1994-06-07 | Tochigi Pref Gov | Metal melting furnace |
| CN201561645U (en) * | 2009-11-19 | 2010-08-25 | 武汉钢铁(集团)公司 | First slag experimental furnace |
| CN201867055U (en) * | 2010-11-09 | 2011-06-15 | 上海嘉翎电子科技有限公司 | Tungsten-rhenium thermocouple fuse fixed-point furnace |
| CN202329253U (en) * | 2011-11-25 | 2012-07-11 | 曹永锋 | Automatic-temperature-control fixed-point furnace |
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2011
- 2011-11-25 CN CN201110379840.XA patent/CN103134337B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06159944A (en) * | 1992-11-24 | 1994-06-07 | Tochigi Pref Gov | Metal melting furnace |
| CN201561645U (en) * | 2009-11-19 | 2010-08-25 | 武汉钢铁(集团)公司 | First slag experimental furnace |
| CN201867055U (en) * | 2010-11-09 | 2011-06-15 | 上海嘉翎电子科技有限公司 | Tungsten-rhenium thermocouple fuse fixed-point furnace |
| CN202329253U (en) * | 2011-11-25 | 2012-07-11 | 曹永锋 | Automatic-temperature-control fixed-point furnace |
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