CN105214566A - A kind of bidirectional piston cylinder type superhigh-temperature and-pressure device and using method thereof - Google Patents
A kind of bidirectional piston cylinder type superhigh-temperature and-pressure device and using method thereof Download PDFInfo
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Abstract
The present invention relates to a kind of bidirectional piston cylinder type superhigh-temperature and-pressure device, comprise upper plate, lower shoe, and be arranged on the upper cylinder between described upper plate and lower shoe, lower oil cylinder, upper piston, lower piston, transformer, pressure sensor, heating components and parts, upper piston seat and the pressure chamber etc. for holding sample; Described upper plate and lower shoe are all horizontally disposed with and are connected by multiple pull bar.The present invention adopts bidirectional piston cylinder type superhigh-temperature and-pressure device, and drive upper cylinder and lower oil cylinder to pressurize from upper and lower both direction to the sample in pressure chamber respectively, pressure is more even; Simple to operate, be convenient to control the pressure and temperature of pressing chamber in sample building-up process; Can reduce costs, increase the safety and reliability in operating process, in the fields such as physics, chemistry, material science and geoscience, as having a wide range of applications in reaction such as simulation the reaction transformation of crustal rock, the synthesis of special material etc.
Description
Technical field
The present invention relates to research device field prepared by the synthesis of HTHP mineral material, experimental petrology and special material, be specifically related to a kind of bidirectional piston cylinder type superhigh-temperature and-pressure device and using method thereof.
Background technology
In the fields such as physics, chemistry, material science and geoscience, usually the extreme experiment condition of superhigh-temperature and-pressure is needed to carry out experimental study, as simulated the reaction transformation of crustal rock, the synthesis of special material (superhard material, superconductor, ferroelectric material etc.) all be unable to do without the experiment condition of superhigh-temperature and-pressure, the synthesis of some materials needs that high pressure reaches 4.5GPa, high temperature reaches the experimental situation of 2000 DEG C, and general experimental provision is difficult to meet its demand.At present, the piston cylinder type superhigh-temperature and-pressure apparatus structure that China uses is complicated, and reliability is not enough, there is the defects such as automaticity is low, precision controlling is poor.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of bidirectional piston cylinder type superhigh-temperature and-pressure device, and this device performance is superior, stably can provide superhigh temperature and super-pressure simultaneously, meets the experiment condition that multiclass research institute needs.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: a kind of bidirectional piston cylinder type superhigh-temperature and-pressure device, comprise upper plate, lower shoe, and be arranged on the upper cylinder between described upper plate and lower shoe, lower oil cylinder, upper piston, lower piston, transformer, pressure sensor, heating components and parts, upper piston seat and the pressure chamber for holding sample;
Described upper plate and lower shoe are all horizontally disposed with and are connected by multiple pull bar;
Described upper cylinder is arranged on the lower end of described upper plate, and described upper cylinder is provided with the upper piston stretched out downwards, and the lower end of described upper piston can be run through described upper piston seat and extend described pressure chamber;
Described upper piston seat is positioned at the upper end in described pressure chamber, thermocouple wire is provided with in described upper piston seat, described thermocouple wire extends to described pressure chamber from described upper piston seat, the alumina tube passed for described thermocouple wire is provided with below described upper piston seat, described upper piston seat and alumina tube all shield to thermocouple wire, prevent thermocouple wire under high pressure fractureing;
The lower end in described pressure chamber is provided with piston boit, and described piston boit is movably arranged on lower surface, described pressure chamber by retainer ring, and the upper end of described piston boit can extend in described pressure chamber, and the lower end of described piston boit is provided with the piston end of hat shape;
Described lower oil cylinder is arranged on the upper end of described lower shoe, and described lower oil cylinder is provided with the lower piston protruded upward, and described lower piston is arranged on the below of described piston end;
Described upper cylinder and described lower oil cylinder are respectively equipped with pressure sensor;
Described transformer is between described upper plate and described pressure chamber, and described transformer is provided with the electrode be connected with described heating components and parts, and described heating components and parts are connected with described pressure chamber.
Described upper cylinder drives described upper piston to do rectilinear motion downwards, pressure is passed to the upper end in described pressure chamber by described transformer, described upper piston seat, described in described lower hydraulic oil cylinder driving, lower piston upwards does rectilinear motion, promote described piston end and described piston boit moves upward, pressure is passed to the lower end in described pressure chamber, thus the pressure that described upper cylinder and described lower oil cylinder provide all is loaded on described pressure chamber; Voltage acts on described heating components and parts by described electrode by described transformer, described heating components and parts provide heat for described pressure chamber, and the force value that described pressure sensor detects and the temperature value that described thermocouple wire records are sent to the Control Component of this device.
Preferably, the top in described pressure chamber is provided with the upper water pond that can hold cooling water, and the bottom in described pressure chamber is provided with the lower water pond that can hold cooling water, and described upper water pond is connected by aquaporin with described lower water pond, described upper water pond is provided with delivery port, and described lower water pond is provided with water inlet.Water inlet to described lower water pond passes into cooling water, then flows out from the delivery port of described upper water pond, can realize carrying out cooling protection to described pressure chamber.
Preferably, described upper water pond and described lower water pond are respectively equipped with O RunddichtringO, can seal described upper water pond and described lower water pond, prevent from revealing.
Preferably, the outer exterior wall in described pressure chamber is enclosed with carbide layers, and hardness is high, and stable chemical performance.
Preferably, also be enclosed with tool steel internal layer and tool steel skin outside described carbide layers successively, described tool steel internal layer and described tool steel skin can reduce the use of tungsten carbide material, reduce costs, play the effect of dispersed pressure, the service life of extension device simultaneously.
Preferably, the outermost in described pressure chamber is enclosed with protection ring, in equipment running process, can play safeguard protection effect to operator.
Preferably, the two ends of described pull bar are provided with helicitic texture, and the upper and lower two ends of described pull bar are each passed through described upper plate and described lower shoe, and described pull bar is fixedly connected with described lower shoe with described upper plate respectively by nut, install and convenient disassembly.
Preferably, the lateral wall in described pressure chamber is provided with the handle being convenient to mobile described pressure chamber, and described handle is fixed by screws on the lateral wall in described pressure chamber, installs and change convenient and swift.
Preferably, between described transformer and described pressure chamber, be provided with insulation spacer, by described transformer and described pressure chamber isolation electric insulation, prevent the short circuit of heating components and parts, ensure the security of use procedure.
The invention allows for another kind of technical scheme, a kind of using method of bidirectional piston cylinder type superhigh-temperature and-pressure device, comprises the following steps:
001: sample to be synthesized is put into sample bin, then put into auxiliary consumptive material successively;
002: described sample bin is put into described pressure chamber;
003: operate described upper cylinder and drive described upper piston to do rectilinear motion downwards, pressure is passed to the upper end in described pressure chamber by described upper piston seat, operate lower piston described in described lower hydraulic oil cylinder driving and upwards do rectilinear motion, promote described piston end and described piston boit moves upward, pressure is passed to the lower end in described pressure chamber, thus the pressure that described upper cylinder and described lower oil cylinder provide all is loaded on described pressure chamber;
004: voltage acts on described heating components and parts by described electrode by described transformer, described heating components and parts provide heat for sample in described pressure chamber;
005: described pressure sensor detects the force value that described sample bears, described thermocouple wire detects the temperature value of described sample, and described force value and temperature value are transferred to the Control Component of described superhigh-temperature and-pressure device, and the pressure, the temperature and time that arrange needed for reaction, realize the closed-loop control of pressure and temperature;
006: after experiment terminates, after the release of described superhigh-temperature and-pressure device, cooling, take out described sample bin from described pressure chamber, more described sample is taken out from sample bin.
Based on technique scheme, the invention has the beneficial effects as follows: the present invention adopts bidirectional piston cylinder type superhigh-temperature and-pressure device, drive upper cylinder and lower oil cylinder to pressurize from upper and lower both direction to the sample in pressure chamber respectively, pressure is more even; Simple to operate, be convenient to control the pressure and temperature of pressing chamber in sample building-up process; Can reduce costs, increase the safety and reliability in operating process, in the fields such as physics, chemistry, material science and geoscience, as having a wide range of applications in reaction such as simulation the reaction transformation of crustal rock, the synthesis of special material (superhard material, superconductor, ferroelectric material etc.) etc.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In accompanying drawing, the list of parts representated by each label is as follows:
1. pressure sensor, 2. nut, 3. upper plate, 4. upper cylinder, 5. upper piston; 6. pull bar, 7. transformer, 8. electrode, 9. upper piston seat, 10. insulation spacer; 11. delivery ports, 12. pressure chambeies, 13. carbide layers, 14. tool steel internal layers, 15. protection rings; 16. handles, water pond on 17., 18. tool steel are outer, 19. water inlets, 20; O RunddichtringO, 21. lower shoes, 22. times oil cylinders, 23. lower pistons; 24. piston ends, 25. piston boits, 26. retainer rings, 27. times water ponds.
Detailed description of the invention
Be described principle of the present invention and feature below in conjunction with accompanying drawing, example, only for explaining the present invention, is not intended to limit scope of the present invention.
As shown in Figure 1, a kind of bidirectional piston cylinder type superhigh-temperature and-pressure device, comprise upper plate 3, lower shoe 21, and be arranged on upper cylinder 4 between described upper plate 3 and lower shoe 21, lower oil cylinder 22, upper piston 5, lower piston 23, transformer 7, pressure sensor 1, heating components and parts, upper piston seat 9 and the pressure chamber 12 for holding sample; Described upper plate 3 is all horizontally disposed with lower shoe 21 and is connected by multiple pull bar 6;
Described upper cylinder 4 is arranged on the lower end of described upper plate 3, and described upper cylinder 4 is provided with the upper piston 5 stretched out downwards, and the lower end of described upper piston 5 can be run through described upper piston seat 9 and extend described pressure chamber 12;
Described upper piston seat 9 is positioned at the upper end in described pressure chamber 12, thermocouple wire is provided with in described upper piston seat 9, described thermocouple wire extends to described pressure chamber 12 from described upper piston seat 9, the alumina tube passed for described thermocouple wire is provided with below described upper piston seat 9, described upper piston seat 9 and alumina tube all shield to thermocouple wire, prevent thermocouple wire under high pressure fractureing;
The lower end in described pressure chamber 12 is provided with piston boit 25, and described piston boit 25 is movably arranged on lower surface, described pressure chamber 12 by retainer ring 26, and the upper end of described piston boit 23 can extend in described pressure chamber 12, and the lower end of described piston boit 25 is provided with the piston end 24 of hat shape;
Described lower oil cylinder 22 is arranged on the upper end of described lower shoe 21, and described lower oil cylinder 22 is provided with the lower piston 23 protruded upward, and described lower piston 23 is arranged on the below of described piston end 24;
Described upper cylinder 4 and described lower oil cylinder 22 are respectively equipped with pressure sensor 1;
Described transformer 7 is between described upper plate 3 and described pressure chamber 12, and described transformer 7 is provided with the electrode 8 be connected with described heating components and parts, and described heating components and parts are connected with described pressure chamber 12.
Described upper cylinder 4 drives described upper piston 5 to do rectilinear motion downwards, pressure is passed to the upper end in described pressure chamber 12 by described transformer 7, described upper piston seat 9, described lower oil cylinder 22 drives described lower piston 23 upwards to do rectilinear motion, promote described piston end 24 and described piston boit 25 moves upward, pressure is passed to the lower end in described pressure chamber 12, thus the pressure that described upper cylinder 4 and described lower oil cylinder 22 provide all is loaded on described pressure chamber 12; Voltage acts on described heating components and parts by described electrode 8 by described transformer 7, described heating components and parts provide heat for described pressure chamber 12, and the force value that described pressure sensor 1 detects and the temperature value that described thermocouple wire records are sent to the Control Component of this device.
Preferably, the top in described pressure chamber 12 is provided with the upper water pond 17 that can hold cooling water, the bottom in described pressure chamber 12 is provided with the lower water pond 27 that can hold cooling water, described upper water pond 17 is connected by aquaporin with described lower water pond 27, described upper water pond 17 is provided with delivery port 11, and described lower water pond 27 is provided with water inlet 19.Water inlet 19 to described lower water pond 27 passes into cooling water, then flows out from the delivery port 11 of described upper water pond 17, can realize carrying out cooling protection to described pressure chamber 12.
Preferably, described upper water pond 17 and described lower water pond 27 are respectively equipped with O RunddichtringO, can seal described upper water pond 17 and described lower water pond 27, prevent from revealing.
Preferably, the outer exterior wall in described pressure chamber 12 is enclosed with carbide layers 13, and hardness is high, and stable chemical performance.
Preferably, also be enclosed with tool steel internal layer 14 and tool steel skin 18 successively outside described carbide layers 13, described tool steel internal layer 14 and described tool steel skin 18 can reduce the use of tungsten carbide material, reduce costs, play the effect of dispersed pressure, the service life of extension device simultaneously.
Preferably, the outermost in described pressure chamber 12 is enclosed with protection ring 15, in equipment running process, can play safeguard protection effect to operator.
Preferably, the two ends of described pull bar 6 are provided with helicitic texture, described pull bar about 6 two ends are each passed through described upper plate 3 and described lower shoe 21, and described pull bar 6 is fixedly connected with described lower shoe 21 with described upper plate 3 respectively by nut 2, install and convenient disassembly.
Preferably, the lateral wall in described pressure chamber 12 is provided with the handle 16 being convenient to mobile described pressure chamber 12, and described handle 16 is fixed by screws on the lateral wall in described pressure chamber 12, installs and change convenient and swift.
Preferably, between described transformer 7 and described pressure chamber 12, be provided with insulation spacer 10, described transformer 7 and described pressure chamber 12 are isolated electric insulation, prevent the short circuit of heating components and parts, ensure the security of use procedure.
The invention allows for another kind of technical scheme, a kind of using method of bidirectional piston cylinder type superhigh-temperature and-pressure device, comprises the following steps:
001: sample to be synthesized is put into sample bin, then put into auxiliary consumptive material successively;
002: described sample bin is put into described pressure chamber 12;
003: operate described upper cylinder 4 and drive described upper piston 5 to do rectilinear motion downwards, pressure is passed to the upper end in described pressure chamber 12 by described upper piston seat 9, operating described lower oil cylinder 22 drives described lower piston 23 upwards to do rectilinear motion, promote described piston end 24 and described piston boit 25 moves upward, pressure is passed to the lower end in described pressure chamber 12, thus the pressure that described upper cylinder 4 and described lower oil cylinder 22 provide all is loaded on described pressure chamber 12;
004: voltage acts on described heating components and parts by described electrode 8 by described transformer 7, described heating components and parts provide heat for sample in described pressure chamber 12;
005: described pressure sensor 1 detects the force value that described sample bears, described thermocouple wire detects the temperature value of described sample, and described force value and temperature value are transferred to the Control Component of described superhigh-temperature and-pressure device, and the pressure, the temperature and time that arrange needed for reaction, realize the closed-loop control of pressure and temperature;
006: after experiment terminates, after the release of described superhigh-temperature and-pressure device, cooling, take out described sample bin from described pressure chamber 12, more described sample is taken out from sample bin.
Below for utilizing three embodiments of bidirectional piston cylinder type superhigh-temperature and-pressure device synthetic material of the present invention.
Embodiment one: Perovskite Phase (MgSiO
3) HP-HT synthesize
Perovskite Phase (MgSiO
3) be one of candidate's mineral that under earth earth mantle, content enriches the most, its high temperature and pressure experiment data have very restricted publication of international news and commentary entitled to be worth to study of seismology, but natural Perovskite Phase MgSiO
3be difficult to obtain, need to adopt high-temperature high-pressure apparatus as the synthesis of piston cylinder type superhigh-temperature and-pressure device.
By MgO and SiO of high-purity (99.99%)
2according to mol ratio 1:1 mixing, put into agate mortar, add ethanol in proper amount, grind 3 hours, make it abundant mixing, after ethanol volatilization, collect sample for subsequent use.
By the sample prepared, put into sample bin, put into graphite-pipe, salt cover successively, send the consumptive materials such as Simon Rex glass, magnesia rod, then put into the pressure chamber 12 of piston cylinder type superhigh-temperature and-pressure device.The peripheral hydraulic system of this device drives upper cylinder 4 and lower oil cylinder 22, two pistons respectively vertically both direction do rectilinear motion, by pressure-loaded on the sample in pressure chamber 12, transformer 7 is given electrode 8 voltage supplied and is acted on to heating components and parts, heating components and parts (as graphite-pipe) provides high temperature to sample, and thermocouple wire is measured its temperature.Sample reacts 1 day under 1.2GPa and 1000 DEG C condition, to ensure MgO and SiO
2complete reaction generates MgSiO
3.After experiment terminates, to piston cylinder type superhigh-temperature and-pressure device release cooling, sample is taken out, can MgSiO be obtained
3, then obtain Perovskite Phase MgSiO through subsequent treatment
3, then for study of seismology.
Embodiment two: forsterite (Mg
2siO
4) HP-HT synthesize
Forsterite is the chief component of earth mantle and aerolite, can be used as refractory material and production high-quality steel casting.The multicrystal synthesis of forsterite is significant to experimental study, and available piston cylinder type superhigh-temperature and-pressure device is synthesized.
By MgO and SiO of high-purity (99.99%)
2according to mol ratio 2:1 mixing, put into agate mortar, add ethanol in proper amount, grind 3 hours, make it abundant mixing, after ethanol volatilization, collect sample for subsequent use.
By the sample prepared, put into sample bin, put into graphite-pipe, salt cover successively, send the consumptive materials such as Simon Rex glass, magnesia rod, then put into the pressure chamber 12 of piston cylinder type superhigh-temperature and-pressure device.The peripheral hydraulic system of this device drives upper cylinder 4 and lower oil cylinder 22, two pistons respectively vertically both direction do rectilinear motion, by pressure-loaded on the sample in pressure chamber 12, transformer 7 is given electrode 8 voltage supplied and is acted on to heating components and parts, heating components and parts (as graphite-pipe) provides high temperature to sample, and thermocouple wire is measured its temperature.Pressure limit 2-4GPa, temperature range 1000-1500 DEG C, keep 5min, release after cooling, carries out recovery analyze product.Result shows, under 2-4GPa and 1000-1500 DEG C of condition, temperature is higher, pressure is lower, is more conducive to Mg2SiO
4generation.
Embodiment three: the BaTiO of HTHP sintering nanostructured
3dielectric ceramic
BaTiO
3pottery is typical ABX
3perovskite structure, has high-k and low-dielectric loss, is widely used in electronics industry.Normal sintering cannot obtain the BaTiO of nanostructured
3pottery, high-pressure sinter can increase the driving force of ceramic dense, is conducive to the synthesis of nanostructured.
By BaTiO
3powder is compressing under 10MPa condition, puts into sample bin, puts into graphite-pipe, salt cover successively, sends the consumptive materials such as Simon Rex glass, magnesia rod, then put into the pressure chamber 12 of piston cylinder type superhigh-temperature and-pressure device.The peripheral hydraulic system of this device drives upper cylinder 4 and lower oil cylinder 22, piston respectively vertically both direction do rectilinear motion, by pressure-loaded on sample, pressure 500MPa, maintains 30min, then release.By the sample grind into powder suppressed, again fill sample, be pressurized to 4GPa, be heated to 1200 DEG C, insulation 5min, can obtain the BaTiO of nanostructured
3dielectric ceramic.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a bidirectional piston cylinder type superhigh-temperature and-pressure device, it is characterized in that: comprise upper plate, lower shoe, and be arranged on the upper cylinder between described upper plate and lower shoe, lower oil cylinder, upper piston, lower piston, transformer, pressure sensor, heating components and parts, upper piston seat and the pressure chamber for holding sample;
Described upper plate and lower shoe are all horizontally disposed with and are connected by multiple pull bar;
Described upper cylinder is arranged on the lower end of described upper plate, and described upper cylinder is provided with the upper piston stretched out downwards, and the lower end of described upper piston can be run through described upper piston seat and extend described pressure chamber;
Described upper piston seat is positioned at the upper end in described pressure chamber, is provided with thermocouple wire in described upper piston seat, and described thermocouple wire extends to described pressure chamber from described upper piston seat;
The lower end in described pressure chamber is provided with piston boit, and described piston boit is movably arranged on lower surface, described pressure chamber by retainer ring, and the upper end of described piston boit can extend in described pressure chamber, and the lower end of described piston boit is provided with the piston end of hat shape;
Described lower oil cylinder is arranged on the upper end of described lower shoe, and described lower oil cylinder is provided with the lower piston protruded upward, and described lower piston is arranged on the below of described piston end;
Described upper cylinder and described lower oil cylinder are respectively equipped with pressure sensor;
Described transformer is between described upper plate and described pressure chamber, and described transformer is provided with the electrode be connected with described heating components and parts, and described heating components and parts are connected with described pressure chamber;
Described upper cylinder drives described upper piston to do rectilinear motion downwards, pressure is passed to the upper end in described pressure chamber by described upper piston seat, described in described lower hydraulic oil cylinder driving, lower piston upwards does rectilinear motion, promote described piston end and described piston boit moves upward, pressure is passed to the lower end in described pressure chamber, thus the pressure that described upper cylinder and described lower oil cylinder provide all is loaded on described pressure chamber; Voltage acts on described heating components and parts by described electrode by described transformer, described heating components and parts provide heat for described pressure chamber, and the force value that described pressure sensor detects and the temperature value that described thermocouple wire records are sent to the Control Component of this device.
2. a kind of bidirectional piston cylinder type superhigh-temperature and-pressure device according to claim 1, it is characterized in that, the top in described pressure chamber is provided with the upper water pond that can hold cooling water, the bottom in described pressure chamber is provided with the lower water pond that can hold cooling water, described upper water pond is connected by aquaporin with described lower water pond, described upper water pond is provided with delivery port, and described lower water pond is provided with water inlet.
3. a kind of bidirectional piston cylinder type superhigh-temperature and-pressure device according to claim 2, it is characterized in that, described upper water pond and described lower water pond are respectively equipped with O RunddichtringO.
4. a kind of bidirectional piston cylinder type superhigh-temperature and-pressure device according to claim 1, it is characterized in that, the outer exterior wall in described pressure chamber is enclosed with carbide layers.
5. a kind of bidirectional piston cylinder type superhigh-temperature and-pressure device according to claim 4, is characterized in that, is also enclosed with tool steel internal layer successively and tool steel is outer outside described carbide layers.
6. a kind of bidirectional piston cylinder type superhigh-temperature and-pressure device according to claim 5, it is characterized in that, the outermost in described pressure chamber is enclosed with protection ring.
7. a kind of bidirectional piston cylinder type superhigh-temperature and-pressure device according to claim 1, it is characterized in that, the two ends of described pull bar are provided with helicitic texture, the upper and lower two ends of described pull bar are each passed through described upper plate and described lower shoe, and described pull bar is fixedly connected with described lower shoe with described upper plate respectively by nut.
8. a kind of bidirectional piston cylinder type superhigh-temperature and-pressure device according to claim 1, is characterized in that, the lateral wall in described pressure chamber is provided with the handle being convenient to mobile described pressure chamber, and described handle is fixed by screws on the lateral wall in described pressure chamber.
9., according to bidirectional piston cylinder type superhigh-temperature and-pressure device a kind of described in claim 1 to 8, it is characterized in that, between described transformer and described pressure chamber, be provided with insulation spacer.
10., as a using method for the bidirectional piston cylinder type superhigh-temperature and-pressure device as described in arbitrary in claim 1 to 9, it is characterized in that, comprise the following steps:
001: sample to be synthesized is put into sample bin, then put into auxiliary consumptive material successively;
002: described sample bin is put into described pressure chamber;
003: operate described upper cylinder and drive described upper piston to do rectilinear motion downwards, pressure is passed to the upper end in described pressure chamber by described upper piston seat, operate lower piston described in described lower hydraulic oil cylinder driving and upwards do rectilinear motion, promote described piston end and described piston boit moves upward, pressure is passed to the lower end in described pressure chamber, thus the pressure that described upper cylinder and described lower oil cylinder provide all is loaded on described pressure chamber;
004: voltage acts on described heating components and parts by described electrode by described transformer, described heating components and parts provide heat for sample in described pressure chamber;
005: described pressure sensor detects the force value that described sample bears, described thermocouple wire detects the temperature value of described sample, and described force value and temperature value are transferred to the Control Component of described superhigh-temperature and-pressure device, and the pressure, the temperature and time that arrange needed for reaction, realize the closed-loop control of pressure and temperature;
006: after experiment terminates, after the release of described superhigh-temperature and-pressure device, cooling, take out described sample bin from described pressure chamber, more described sample is taken out from sample bin.
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| CN111442990A (en) * | 2020-03-11 | 2020-07-24 | 中国地质大学（北京） | Piston cylinder device and real-time pressure measuring method thereof |
| CN112642363A (en) * | 2020-12-17 | 2021-04-13 | 吉林大学 | Large-size high-temperature-resistant in-situ optical observation reaction kettle cavity |
| CN115282876A (en) * | 2022-09-15 | 2022-11-04 | 王斌辉 | Three-module type cubic apparatus press |
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| CN112642363A (en) * | 2020-12-17 | 2021-04-13 | 吉林大学 | Large-size high-temperature-resistant in-situ optical observation reaction kettle cavity |
| CN112642363B (en) * | 2020-12-17 | 2022-03-08 | 吉林大学 | Large-size high-temperature-resistant in-situ optical observation reaction kettle cavity |
| CN115282876A (en) * | 2022-09-15 | 2022-11-04 | 王斌辉 | Three-module type cubic apparatus press |
| CN115282876B (en) * | 2022-09-15 | 2023-12-22 | 王斌辉 | Three-module type hexahedral top press |
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