High-temperature and high-pressure furnace for experiment

Abstract

The invention relates to the technical field of high-temperature and high-pressure furnaces, and discloses an experimental high-temperature and high-pressure furnace which comprises a bottom frame body, a side frame body is fixedly connected to the top of the bottom frame body, outer rotating shafts are rotationally connected to the two sides of the side frame body through bearing seats, and a furnace body is fixedly connected between the two outer rotating shafts; a placing frame is arranged in the furnace body through a self-taking-out assembly. The placing rack can be moved to the opening of the furnace body through the self-taking-out assembly, so that a worker can take out experiment articles conveniently, and the shaking placing rack on the upper portion can be magnetically attracted through the side magnetic blocks and the bottom magnetic blocks arranged on the inner wall of the furnace body, so that the shaking frequency of the placing rack is reduced, and the working efficiency is improved. The stability of experimental articles in the placing frame is effectively improved, and synchronous switching of the unlocking state of the sealing cover and the lower pressing disc can be achieved while the opening in the top of the furnace body is sealed and locked through the sealing cover by rotating the sealing assembly.

Description

Technical Field

[0001] The present invention relates to the technical field of high-temperature and high-pressure furnaces, and particularly to a high-temperature and high-pressure furnace for experiments. Background Art

[0002] In the process of modern scientific research and industrial technology development, the demand for experimental research under extreme conditions in many fields is increasing day by day. The high-temperature and high-pressure environment can simulate the deep geological conditions of the earth, promote the synthesis and performance optimization of special materials, and drive the exploration of chemical reactions under non-ambient temperature and pressure.

[0003] For example, in the field of materials science, the synthesis of superhard materials such as diamond and cubic boron nitride requires a high-temperature and high-pressure environment to promote the formation of a specific crystal structure between atoms; in chemical engineering, the synthesis reactions of some complex organic compounds can significantly improve the reaction rate and product selectivity under high-temperature and high-pressure conditions; in geological research, simulating the high-temperature and high-pressure state inside the earth helps to deeply understand the formation and evolution process of rocks.

[0004] At present, the following problems still exist in the use of traditional experimental equipment: 1. Since the experimental items in the furnace body are affected by air during high-temperature and high-pressure reactions, it is necessary to solve the problem of air affecting the experimental values. 2. After the experiment is completed, since the experimental items are located inside the furnace body, it is inconvenient to take them out. Moreover, since the experimental items are experimented at high temperatures, the experimental items are in a high-temperature state, which further increases the difficulty of taking them out. Therefore, how to quickly take out the experimental items and ensure the stability of the experimental items when taking them out is also an urgent problem to be solved. Summary of the Invention

[0005] Technical Problems to be Solved In view of the deficiencies of the prior art, the present invention provides a high-temperature and high-pressure furnace for experiments, mainly to solve the problems that air easily affects the experimental items during high-temperature and high-pressure reactions in the furnace body, and after the experiment is completed, it is inconvenient to take out the experimental items because they are located inside the furnace body, and since the experimental items are experimented at high temperatures, the experimental items are in a high-temperature state, which further increases the difficulty of taking them out. Therefore, how to quickly take out the experimental items and ensure the stability of the experimental items when taking them out is also an urgent problem to be solved.

[0006] Technical Solutions To achieve the above object, the present invention provides the following technical solutions: An experimental high-temperature and high-pressure furnace, comprising a bottom frame body, a side frame body is fixedly connected to the top of the bottom frame body, outer rotating shafts are rotatably connected to both sides of the side frame body through bearing seats, a furnace body is fixedly connected between the two outer rotating shafts, a placement rack is arranged inside the furnace body through a self-removing component, a flipping driving component for driving the furnace body to flip is arranged on one side of the bottom frame body, a plurality of electric heating wires are fixedly connected to the inner wall of the furnace body at equal intervals, two optical rods are slidably connected to the top of the side frame body through sleeves, the bottom ends of the two optical rods are fixedly connected with a fixing ring, a closing cover is arranged inside the fixing ring, two retaining rings are fixedly connected to the circumferential outer wall of the closing cover, and the fixing ring is located between the two retaining rings. A pressing cavity is opened inside the closing cover, and the closing cover is of a top-opening structure. A pressing disc is arranged inside the pressing cavity, a sealing ring in contact with the pressing cavity is arranged on the outer side of the pressing disc, a pressing cylinder is fixedly connected to the top outer wall of the side frame body, and one end of the piston rod of the pressing cylinder is fixed to the top of the pressing disc. The closing cover and the furnace body are quickly closed through a rotating closing component, and a ventilation component for replacing the air inside the closed closing cover and the furnace body with inert gas is arranged on the top of the bottom frame body.

[0007] Further, the rotating closing component includes two locking blocks, the two locking blocks are respectively fixedly connected to the outer walls on both sides of the furnace body, two lower embedding grooves corresponding to the locking blocks are opened at the bottom of the closing cover, a lower retaining groove for clamping and fixing the locking blocks is opened on one inner wall of the lower embedding groove, guide blocks are integrally formed on both sides of the pressing disc, inner guide grooves for guiding the guide blocks are opened on both inner walls of the pressing cavity, and upper retaining grooves for clamping the guide blocks are opened on one inner wall of the two inner guide grooves. A driving mechanism for driving the closing cover to rotate is arranged on one side of the fixing ring.

[0008] On the basis of the foregoing solution, the driving mechanism includes a first mounting frame, the first mounting frame is fixedly connected to one side of the fixing ring, a rotating motor is fixedly connected to the top of the first mounting frame, one end of the output shaft of the rotating motor passes through the first mounting frame and is fixedly connected with a rotating gear, and a plurality of tooth grooves meshing with the rotating gear are opened at equal intervals on one outer wall of the closing cover.

[0009] As a further solution of the present invention, two reinforcing plates are fixedly connected to the circumferential outer wall of the closing cover, and the inside of the reinforcing plates is opened in imitation of the lower embedding groove and the lower retaining groove.

[0010] Furthermore, the self-taking assembly includes two vertical mounting plates, which are respectively fixedly connected to the inner walls on both sides of the furnace body, and one side of the two vertical mounting plates is fixedly connected to two vertical guide rails, a connecting frame is slidably connected between the two vertical guide rails via a slide, one side of the connecting frame is rotatably connected to an inner rotating shaft via a bearing seat, and the ends close to the two inner rotating shafts are fixed to the placement rack, and a placement groove for positioning experimental items is provided on the bottom inner wall of the placement rack, and an upper stop frame and a lower stop frame for blocking and limiting the position of the placement rack are fixed to one side of the vertical mounting plate through a quick release mechanism, a positioning assembly for fixing the vertical position of the furnace body is provided on one side of the side frame body, and a stabilizing mechanism is provided inside the furnace body to keep the placement rack stable in the furnace body.

[0011] Based on the above scheme, the quick release mechanism includes multiple threaded holes, which are evenly spaced on one side of the vertical mounting plate. Two through holes are opened inside the upper and lower baffles, and fastening screws that can be threadedly connected to the threaded holes are provided in the through holes.

[0012] As a further solution of the present invention, the positioning assembly includes a turntable, which is fixedly connected to one side of one of the outer rotating shafts, and a pin groove is provided at the bottom of the turntable. A mounting frame 2 is fixedly connected to the inner wall of one side of the side frame body, and an electromagnetic lock is fixedly connected to the bottom of the mounting frame 2, and a lock tongue of the electromagnetic lock can be inserted into the pin groove.

[0013] Furthermore, the stabilizing mechanism includes a counterweight frame, which is fixedly connected to the bottom outer wall of the placement frame, and the bottom inner wall of the furnace body is fixedly connected to a bottom magnetic block for magnetically attracting the bottom end of the counterweight frame in the vertical state of the furnace body, and the inner wall of one side of the furnace body is fixedly connected to a side magnetic block for magnetically attracting the bottom end of the counterweight frame in the flipped furnace body.

[0014] Based on the above scheme, the flipping drive assembly includes a driven synchronous pulley, which is fixedly connected to one end of one of the outer rotating shafts, a flipping motor is fixedly connected to one side of the base frame, and a driving synchronous pulley is fixedly connected to one end of the flipping motor output shaft, and the driving synchronous pulley and the driven synchronous pulley are connected through a synchronous belt drive.

[0015] As a further solution of the present invention, the ventilation component includes a gas tank, which is fixedly connected to the top of the chassis. A ventilation pump and a vortex air pump are fixedly connected to the top of the chassis. One end of the air inlet of the ventilation pump is communicated with the gas tank through Pipeline 1. One end of the air outlet of the ventilation pump is connected with an upper connecting hose through Pipeline 2. One end of the upper connecting hose is communicated with the sealing cover through an upper pneumatic switch valve. One side of the gas tank is communicated with an electric three-way valve, and a lower connecting hose is fixed to one of the ports of the electric three-way valve. One end of the lower connecting hose is communicated with the furnace body through a lower pneumatic switch valve. The other port of the electric three-way valve is connected with one end of the air blowing port of the vortex air pump through a connecting pipeline.

[0016] Beneficial effects Compared with the prior art, the present invention provides a high-temperature and high-pressure furnace for experiments, which has the following beneficial effects: 1. After the furnace body is flipped by the self-removal component of the present invention, the placement rack rotates around the inner rotating shaft under the combined action of its own gravity and the counterweight rack, and the bottom of the placement rack always faces downwards, and then moves to the opening of the furnace body, so as to facilitate the staff to take out the experimental articles.

[0017] 2. The side magnetic blocks and bottom magnetic blocks arranged on the inner wall of the furnace body of the present invention magnetically attract the swaying placement rack above, so as to reduce the swaying frequency of the placement rack and effectively improve the stability of the experimental articles inside the placement rack.

[0018] 3. The present invention realizes the synchronous switching of the locking state of the sealing cover to the top opening of the furnace body and the unlocking state of the sealing cover and the pressing disc through the rotary closing component, not only completes the closing of the furnace body, but also further adjusts the pressure inside the furnace body through the pressing of the pressing disc.

[0019] 4. The present invention replaces the air in the furnace body with inert gas through the ventilation component, so as to effectively improve the stability of the experimental articles during the experiment. At the same time, the furnace body can be inflated through the ventilation component to increase the pressure inside the furnace body.

[0020] 5. The present invention completes the switching between the inside of the furnace body and the vortex air pump or the gas tank through the electric three-way valve, and increases the air flow rate inside the furnace body through the air flow generated by the vortex air pump, so that the experimental articles in the placement rack of the flipped furnace body can be quickly cooled before being taken out, improving the experimental safety and efficiency. Description of the drawings

[0021] Figure 1 It is a front-side three-dimensional structure schematic diagram of a high-temperature and high-pressure furnace for experiments proposed by the present invention; Figure 2 It is a structure schematic diagram of the ventilation component of a high-temperature and high-pressure furnace for experiments proposed by the present invention; Figure 3 Schematic structural diagram of a flipping drive assembly for a high-temperature and high-pressure furnace for experiments proposed by the present invention; Figure 4 For a high-temperature and high-pressure furnace for experiments proposed by the present invention Figure 1 Enlarged partial structural diagram of part A; Figure 5 Schematic structural diagram of a rotating and sealing assembly for a high-temperature and high-pressure furnace for experiments proposed by the present invention; Figure 6 For a high-temperature and high-pressure furnace for experiments proposed by the present invention Figure 3 Partial sectional structural diagram; Figure 7 For a high-temperature and high-pressure furnace for experiments proposed by the present invention Figure 1 Enlarged partial structural diagram; Figure 8 Schematic structural diagram of a positioning assembly for a high-temperature and high-pressure furnace for experiments proposed by the present invention; Figure 9 Schematic structural diagram of a self-removing assembly for a high-temperature and high-pressure furnace for experiments proposed by the present invention; Figure 10 For a high-temperature and high-pressure furnace for experiments proposed by the present invention Figure 9 Enlarged partial structural diagram.

[0022] In the figure: 1, chassis body; 2, furnace body; 3, rotating and sealing assembly; 301, locking block; 302, rotating motor; 303, mounting frame one; 304, rotating gear; 305, tooth groove; 306, lower embedding groove; 307, lower retaining groove; 308, inner guiding groove; 309, upper retaining groove; 310, lower pressing cavity; 311, lower pressing plate; 312, sealing ring; 313, reinforced plate; 314, guiding block; 4, sealing cover; 5, self-removing assembly; 501, side magnetic block; 502, vertical guide rail; 503, vertical mounting plate; 504, bottom magnetic block; 505, counterweight frame; 506, lower retaining frame; 507, inner rotating shaft; 508, connecting frame; 509, fastening screw; 510, upper retaining frame; 511, threaded hole; 512, placing groove; 6, ventilation assembly; 601, lower pneumatic switch valve; 602, lower connecting hose; 603, ventilation pump; 604, pipeline one; 605, pipeline two; 606, gas tank; 607, upper connecting hose; 608, upper pneumatic switch valve; 609, electric three-way valve; 610, vortex air pump; 7, flipping drive assembly; 701, flipping motor; 702, driving synchronous pulley; 703, driven synchronous pulley; 704, outer rotating shaft; 705, side frame body; 8, fixing ring; 9, retaining ring; 10, smooth rod; 11, lower pressing cylinder; 12, positioning assembly; 1201, turntable; 1202, pin slot; 1203, electromagnetic lock; 1204, mounting frame two; 13, placing rack; 14, heating wire. Detailed implementation manners

[0023] In order to make the objectives, technical solutions and advantages of the present invention more clear and understandable, the present invention will be further described in detail below through embodiments and in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0024] The serial numbers assigned to the components in this article, such as "first", "second", etc., are only used to distinguish the described objects and do not have any sequential or technical meanings. The "connection" and "coupling" mentioned in the present invention, unless otherwise clearly specified and defined, both include direct and indirect connections (couplings). In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present invention.

[0025] In the present invention, unless otherwise clearly specified and limited, the first feature being "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on" the second feature may be that the first feature is directly above or obliquely above the second feature, or simply means that the first feature has a higher horizontal height than the second feature. The first feature being "under", "beneath" and "under" the second feature may be that the first feature is directly below or obliquely below the second feature, or simply means that the first feature has a lower horizontal height than the second feature.

[0026] Refer to Figures 1-10, A high-temperature and high-pressure furnace for experiments, comprising a bottom frame body 1. The top of the bottom frame body 1 is fixed with a side frame body 705 by bolts. Both sides of the side frame body 705 are rotatably connected with outer rotating shafts 704 through bearing seats. A furnace body 2 is fixed between the two outer rotating shafts 704 by bolts. A placement rack 13 is arranged inside the furnace body 2 through a self-removing component 5. A flipping drive component 7 for driving the furnace body 2 to flip is arranged on one side of the bottom frame body 1. The flipping drive component 7 includes a driven synchronous pulley 703, and the driven synchronous pulley 703 is key-connected to one end of one of the outer rotating shafts 704. A flipping motor 701 is fixed to one side of the bottom frame body 1 by bolts. One end of the output shaft of the flipping motor 701 is key-connected with a driving synchronous pulley 702, and the driving synchronous pulley 702 is connected with the driven synchronous pulley 703 through a synchronous belt. By starting the flipping motor 701, the flipping motor 701 rotates to drive the driving synchronous pulley 702 to drive the driven synchronous pulley 703 to rotate through the synchronous belt. The driven synchronous pulley 703 rotates to drive the furnace body 2 to perform a flipping operation through the outer rotating shaft 704. A plurality of equally spaced electric heating wires 14 are fixed to the inner wall of the furnace body 2 by bolts. Two optical rods 10 are slidably connected to the top of the side frame body 705 through sleeves. The bottom ends of the two optical rods 10 are fixed with a fixing ring 8 by bolts. A closing cover 4 is arranged inside the fixing ring 8. Two retaining rings 9 are fixed to the circumferential outer wall of the closing cover 4 by bolts, and the fixing ring 8 is located between the two retaining rings 9. A pressing cavity 310 is formed inside the closing cover 4, and the closing cover 4 has an open-top structure. A pressing disk 311 is arranged inside the pressing cavity 310. A sealing ring 312 in contact with the pressing cavity 310 is arranged on the outer side of the pressing disk 311. A pressing cylinder 11 is fixed to the outer wall of the top of the side frame body 705 by bolts, and one end of the piston rod of the pressing cylinder 11 is fixed to the top of the pressing disk 311. The closing cover 4 and the furnace body 2 are quickly closed through a rotary closing component 3. A ventilation component 6 for replacing the air inside the closed closing cover 4 and the furnace body 2 with inert gas is arranged on the top of the bottom frame body 1. When conducting an experiment, first, the flipping action of the furnace body 2 is completed through the flipping drive component 7, and the placement rack 13 is moved to the opening of the furnace body 2 through the self-removing component 5. Then, the experimental articles are placed inside the placement rack 13. Then, the reverse flipping and resetting of the furnace body 2 are completed through the flipping drive component 7. Then, by starting the pressing cylinder 11, the pressing cylinder 11 extends and drives the pressing disk 311 and the closing cover 4 to move downward simultaneously through the optical rods 10 until the closing cover 4 closes the top opening of the furnace body 2. Since high-pressure operation is required inside the furnace body 2, the closing cover 4 is rotated around the fixing ring 8 through the rotary closing component 3 and is clamped and locked with the furnace body 2. Since the air inside the furnace body 2 is likely to affect the experimental articles during the high-temperature and high-pressure reaction of the experimental articles, the air inside the furnace body 2 is replaced with inert gas through the ventilation component 6, thereby effectively improving the stability of the experimental articles during the experiment. Then, heating operation is performed through the electric heating wires 14 inside the furnace body 2, and the furnace body 2 can be inflated through the ventilation component 6 at the same time.Increase the internal pressure of the furnace body 2, and by activating the downward pressing cylinder 11, the downward pressing cylinder 11 can drive the downward pressing plate 311 to move downward, thereby performing secondary pressurization on the gas inside the sealing cover 4 and the furnace body 2 until the experimental purpose is achieved. After the experiment is completed, since the experimental article is located inside the furnace body 2, it is inconvenient to take out, and the experimental article is tested at high temperature, which further increases the difficulty of taking out. Therefore, the high-pressure state inside the furnace body 2 is released through the air exchange component 6, then the sealing cover 4 is opened, and then the flipping action of the furnace body 2 is completed through the flipping drive component 7, and the placement rack 13 is moved to the opening of the furnace body 2 through the self-taking-out component 5, so as to take out the experimental article from the inside of the placement rack 13. It is simple and convenient to use and improves the experimental efficiency.

[0027] The rotary closing assembly 3 in the present invention includes two locking blocks 301. The two locking blocks 301 are respectively fixed on the outer walls on both sides of the furnace body 2 by bolts. Two lower embedding grooves 306 corresponding to the locking blocks 301 are opened at the bottom of the closing cover 4. A lower retaining groove 307 for clamping and fixing the locking block 301 is opened on one inner wall of the lower embedding groove 306. Guide blocks 314 are integrally formed on both sides of the lower pressing plate 311. Inner guide grooves 308 for guiding the guide blocks 314 are opened on both inner walls of the lower pressing cavity 310. Upper retaining grooves 309 for clamping the guide blocks 314 are opened on one inner wall of the two inner guide grooves 308. Two reinforcing plates 313 are fixed on the circumferential outer wall of the closing cover 4 by bolts. The inside of the reinforcing plate 313 is formed in imitation of the lower embedding groove 306 and the lower retaining groove 307, so as to improve the strength of the closing cover 4 at the positions of the lower embedding groove 306 and the lower retaining groove 307. A driving mechanism for driving the closing cover 4 to rotate is provided on one side of the fixing ring 8. The driving mechanism includes a mounting frame one 303. The mounting frame one 303 is fixed on one side of the fixing ring 8 by bolts. A rotary motor 302 is fixed on the top of the mounting frame one 303 by bolts. One end of the output shaft of the rotary motor 302 passes through the mounting frame one 303 and is key-connected with a rotary gear 304. A plurality of tooth grooves 305 meshing with the rotary gear 304 are equidistantly opened on one outer wall of the closing cover 4. During use, by starting the lower pressing cylinder 11, the lower pressing cylinder 11 extends and drives the lower pressing plate 311 to drive the closing cover 4 to move downward through the clamping state of the guide block 314 and the upper retaining groove 309 until the closing cover 4 closes the opening at the top of the furnace body 2. At this time, the locking block 301 arranged on the outer wall of the furnace body 2 is clamped into the lower embedding groove 306. Then, the rotary motor 302 is started. The rotary motor 302 rotates to drive the rotary gear 304 to rotate along the tooth groove 305, so that the closing cover 4 rotates around the fixing ring 8. When the closing cover 4 rotates, the locking block 301 is clamped into the lower retaining groove 307, and the closing cover 4 is locked and fixed. At the same time, when the closing cover 4 rotates, the guide block 314 is disengaged from the upper retaining groove 309 and rotates into the inner guide groove 308. Then, by starting the lower pressing cylinder 11, the lower pressing cylinder 11 extends to drive the lower pressing plate 311 and the guide block 314 to move downward along the lower pressing cavity 310 and the inner guide groove 308, and a pressing operation is performed.

[0028] The self-removing component 5 in the present invention includes two vertically installed plates 503, which are respectively fixed to the inner walls on both sides of the furnace body 2 by bolts. On one side of each of the two vertically installed plates 503, two vertical guide rails 502 are fixed by bolts. A connecting frame 508 is slidably connected between the two vertical guide rails 502 through a slide. One side of the connecting frame 508 is rotatably connected to an inner rotating shaft 507 through a bearing seat. One end of each of the two inner rotating shafts 507 close to each other is fixed to a placement rack 13. A placement groove 512 for positioning experimental articles is formed in the bottom inner wall of the placement rack 13. An upper stop frame 510 and a lower stop frame 506 for blocking and limiting the position of the placement rack 13 are fixed to one side of the vertically installed plate 503 through a quick-release mechanism. The quick-release mechanism includes a plurality of threaded holes 511, which are equidistantly formed on one side of the vertically installed plate 503. Two through holes are formed in each of the upper stop frame 510 and the lower stop frame 506. A fastening screw 509 that can be threadedly connected to the threaded hole 511 is provided in the through hole. Thus, by adjusting the position of the lower stop frame 506, the position of the placement rack 13 inside the furnace body 2 is adjusted, and the heating is more comprehensive. A positioning component 12 for fixing the vertical position of the furnace body 2 is provided on one side of the side frame body 705. The positioning component 12 includes a turntable 1201, which is fixed to one side of one of the outer rotating shafts 704 by bolts. A pin slot 1202 is formed in the bottom of the turntable 1201. An installation frame two 1204 is fixed to the inner wall on one side of the side frame body 705 by bolts. An electromagnetic lock 1203 is fixed to the bottom of the installation frame two 1204 by bolts, and the locking tongue of the electromagnetic lock 1203 can be inserted into the pin slot 1202. A stabilizing mechanism for keeping the placement rack 13 stable inside the furnace body 2 is provided inside the furnace body 2. The stabilizing mechanism in the present invention includes a counterweight frame 505, which is fixed to the bottom outer wall of the placement rack 13 by bolts. A bottom magnetic block 504 for magnetically attracting the bottom end of the counterweight frame 505 in the vertically placed furnace body 2 is fixed to the bottom inner wall of the furnace body 2 by bolts. A side magnetic block 501 for magnetically attracting the bottom end of the counterweight frame 505 in the furnace body 2 after flipping is fixed to the inner wall on one side of the furnace body 2 by bolts. When the furnace body 2 flips, under the combined action of its own gravity and the counterweight frame 505, the placement rack 13 rotates around the inner rotating shaft 507, and the bottom of the placement rack 13 always faces downward. And since the gravity of the placement rack 13 and the counterweight frame 505 is much greater than that of the bottom magnetic block 504, the suction force generated by the bottom magnetic block 504 is not sufficient to affect the rotation of the placement rack 13. Until the furnace body 2 flips to a horizontal state, the placement rack 13 still remains in a vertically placed state with the bottom facing downward. Then, the furnace body 2 is further slightly tilted, so that the placement rack 13 slowly moves along the vertical guide rail 502 through the connecting frame 508 and the slide under the action of gravity until the connecting frame 508 moves into contact with the upper stop frame 510 and stops. At this time, the placement rack 13 shakes due to inertia. Therefore, the side magnetic block 501 provided on the inner wall of the furnace body 2 magnetically attracts the upper shaking placement rack 13, so as to reduce the shaking frequency of the placement rack 13.Effectively improve the stability of the experimental items inside the placement rack 13, thus facilitating the convenient removal of the experimental items inside the placement rack 13.

[0029] The ventilation component 6 in the present invention includes a gas tank 606. The gas tank 606 is fixed to the top of the chassis 1 by bolts. A ventilation pump 603 and a vortex air pump 610 are fixed to the top of the chassis 1 by bolts. One end of the air inlet of the ventilation pump 603 is connected to the gas tank 606 through a pipe 604. One end of the air outlet of the ventilation pump 603 is connected to an upper connecting hose 607 through a pipe 605. One end of the upper connecting hose 607 is connected to the closed cover 4 through an upper pneumatic switch valve 608. One side of the gas tank 606 is connected to an electric three-way valve 609. One of the ports of the electric three-way valve 609 is fixed with a lower connecting hose 602. One end of the lower connecting hose 602 is connected to the furnace body 2 through a lower pneumatic switch valve 601. The other port of the electric three-way valve 609 is connected to one end of the air blowing port of the vortex air pump 610 through a connecting pipe. When in use, by opening the upper pneumatic switch valve 608 and the lower pneumatic switch valve 601, and then starting the ventilation pump 603, the inert gas in the gas tank 606 is filled into the closed furnace body 2. Then, the lower pneumatic switch valve 601 is closed, and the inert gas continues to be filled into the furnace body 2, so that the pressure in the furnace body 2 is increased until the specified pressure value. Then, the upper pneumatic switch valve 608 is closed. When cooling, the air blowing port of the vortex air pump 610 can be connected to the lower connecting hose 602 through the electric three-way valve 609. Then, by starting the vortex air pump 610 to generate an air flow, the air flow is blown into the inverted furnace body 2 through the lower connecting hose 602 and the lower pneumatic switch valve 601, so that the hot air in the furnace body 2 is dissipated from the opening of the furnace body 2 along with the air flow. At the same time, since the air flow rate is greatly increased, the experimental items in the placement rack 13 located in the furnace body 2 are also quickly cooled, improving the experimental safety and efficiency.

[0030] The present invention is used in the following steps: S1: First, by starting the flipping motor 701, the flipping motor 701 rotates to drive the driven synchronous pulley 703 to rotate through the synchronous belt by the driving synchronous pulley 702. The rotation of the driven synchronous pulley 703 drives the furnace body 2 to perform a flipping operation through the outer rotating shaft 704; S2: When the furnace body 2 is flipped, under the combined action of its own gravity and the counterweight frame 505, the placement rack 13 rotates around the inner rotating shaft 507, and the bottom of the placement rack 13 always faces downward. Since the gravity of the placement rack 13 and the counterweight frame 505 is much greater than that of the bottom magnetic block 504, the suction force generated by the bottom magnetic block 504 is not sufficient to affect the rotation of the placement rack 13. Until the furnace body 2 is flipped to the horizontal state, the placement rack 13 still remains in the vertical state with the bottom facing downward. Then, continue to slightly tilt the furnace body 2, so that the placement rack 13 slowly moves downward along the vertical guide rail 502 under the action of gravity through the connecting frame 508 and the sliding table until the connecting frame 508 moves to contact with the upper stop frame 510 and stops. At this time, the placement rack 13 shakes due to inertia. Therefore, the side magnetic block 501 arranged on the inner wall of the furnace body 2 magnetically attracts the shaking placement rack 13 above, so as to reduce the shaking frequency of the placement rack 13; S3: Then place the experimental articles inside the placement rack 13, and then complete the reverse flipping and reset of the furnace body 2 through the flipping drive assembly 7. At this time, the suction force generated by the bottom magnetic block 504 can effectively reduce the shaking frequency of the placement rack 13 and maintain the stability of the experimental articles inside the placement rack 13; S4: By starting the downward pressure cylinder 11, the downward pressure cylinder 11 extends and drives the downward pressure plate 311 to drive the closing cover 4 to move downward through the engagement state of the guiding block 314 and the upper retaining groove 309 until the closing cover 4 closes the top opening of the furnace body 2. At this time, the locking block 301 arranged on the outer wall of the furnace body 2 is inserted into the lower embedding groove 306. Then start the rotating motor 302, and the rotating motor 302 rotates to drive the rotating gear 304 to rotate along the tooth groove 305, so that the closing cover 4 rotates around the fixed ring 8. When the closing cover 4 rotates, the locking block 301 is inserted into the lower retaining groove 307, and the closing cover 4 is locked and fixed. At the same time, when the closing cover 4 rotates, the guiding block 314 disengages from the upper retaining groove 309 and rotates into the inner guiding groove 308; S5: By opening the upper pneumatic switch valve 608 and the lower pneumatic switch valve 601, and then starting the air exchange pump 603, the inert gas in the gas tank 606 is filled into the closed furnace body 2. Then close the lower pneumatic switch valve 601 and continue to fill the inert gas into the furnace body 2, so that the pressure in the furnace body 2 is increased until the specified pressure value. Then close the upper pneumatic switch valve 608, and then perform heating operation through the heating wire 14 in the furnace body 2. And it is possible to start the downward pressure cylinder 11 to drive the downward pressure plate 311 to move downward, so as to perform secondary pressurization on the closing cover 4 and the gas in the furnace body 2 until the experimental purpose is achieved; S6: After the experiment is completed, the high-pressure state inside the furnace body 2 is released through the ventilation component 6. Then, the closed cover 4 is opened. Next, the flipping action of the furnace body 2 is completed through the flipping drive component 7. At this time, the connecting frame 508 moves until it contacts and stops with the upper stop frame 510. Then, the air blowing port of the vortex air pump 610 is connected to the lower connecting hose 602 through the electric three-way valve 609. Then, the vortex air pump 610 is started to generate an air flow, and the air flow is blown into the flipped furnace body 2 through the lower connecting hose 602 and the lower pneumatic switch valve 601, so that the hot air inside the furnace body 2 is dissipated from the opening of the furnace body 2 along with the air flow. At the same time, since the air flow rate is greatly increased, the experimental articles in the placement rack 13 of the furnace body 2 are also quickly cooled, improving the experimental safety and efficiency.

[0031] The technical features of the above embodiments can be combined arbitrarily. For the sake of concise description, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as the scope recorded in this specification.

[0032] The above-described embodiments only represent several implementation manners of the present invention, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present invention, several deformations and improvements can still be made, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. An experimental high-temperature and high-pressure furnace, comprising a bottom frame (1), the top of the bottom frame (1) being fixedly connected to a side frame (705), characterized in that: Both sides of the side frame body (705) are rotatably connected to an outer rotating shaft (704) via a bearing seat, a furnace body (2) is fixedly connected between the two outer rotating shafts (704), a placement rack (13) is arranged inside the furnace body (2) via a self-removing component (5), a flipping driving component (7) for driving the furnace body (2) to flip is arranged on one side of the bottom frame body (1), a plurality of equally spaced electric heating wires (14) are fixedly connected to the inner wall of the furnace body (2), two light rods (10) are slidably connected to the top of the side frame body (705) via a sleeve, a fixing ring (8) is fixedly connected to the bottom ends of the two light rods (10), a closing cover (4) is arranged inside the fixing ring (8), two retaining rings (9) are fixedly connected to the circumferential outer wall of the closing cover (4), and the fixing ring (8) is located between the two retaining rings (9), a downward pressure chamber (310) is provided inside the closing cover (4), and the closing cover (4) is a top-opening structure, a downward pressure plate (311) is provided inside the downward pressure chamber (310), and a sealing ring (312) in contact with the downward pressure chamber (310) is provided on the outer side of the downward pressure plate (311), the top outer wall of the side frame body (705) is fixedly connected to a downward pressure cylinder (11), and one end of the piston rod of the downward pressure cylinder (11) is fixed to the top of the downward pressure plate (311), the closing cover (4) and the furnace body (2) are quickly closed by rotating the closing component (3), and the top of the bottom frame body (1) is provided with a ventilation component (6) for replacing the air in the closing cover (4) and the furnace body (2) with inert gas after closing.

2. The experimental high temperature and high pressure furnace according to claim 1, characterized in that: The rotary sealing component (3) comprises two locking blocks (301), the two locking blocks (301) being fixedly connected to the outer walls of both sides of the furnace body (2), the bottom of the sealing cover (4) being provided with two lower embedding grooves (306) corresponding to the locking blocks (301), the inner wall of one side of the lower embedding groove (306) being provided with a lower retaining groove (307) for locking and fixing the locking blocks (301), both sides of the lower pressure plate (311) being integrally formed with guide blocks (314), both sides of the inner walls of the lower pressure chamber (310) being provided with inner guide grooves (308) for guiding the guide blocks (314), and both sides of the inner walls of the two inner guide grooves (308) being provided with upper retaining grooves (309) for locking the guide blocks (314), and one side of the fixing ring (8) being provided with a driving mechanism for driving the sealing cover (4) to rotate.

3. The experimental high temperature and high pressure furnace according to claim 2, characterized in that: The driving mechanism comprises a mounting frame (303), the mounting frame (303) being fixedly connected to one side of a fixing ring (8), a rotating motor (302) being fixedly connected to the top of the mounting frame (303), one end of an output shaft of the rotating motor (302) passing through the mounting frame (303) and being fixedly connected to a rotating gear (304), and a plurality of tooth grooves (305) meshing with the rotating gear (304) being equidistantly formed on an outer wall of one side of the closing cover (4).

4. The experimental high temperature and high pressure furnace according to claim 2, characterized in that: Two reinforcement plates (313) are fixedly connected to the circumferential outer wall of the closure cover (4), and the lower embedding groove (306) and the lower retaining groove (307) inside the reinforcement plate (313) are formed in a contoured manner.

5. The experimental high temperature and high pressure furnace according to claim 1, characterized in that: The self-removal component (5) comprises two vertical mounting plates (503), the two vertical mounting plates (503) are respectively fixedly connected to the inner walls on both sides of the furnace body (2), one side of the two vertical mounting plates (503) is fixedly connected to two vertical guide rails (502), a connecting frame (508) is slidably connected between the two vertical guide rails (502) via a slide table, one side of the connecting frame (508) is rotatably connected to an inner rotating shaft (507) via a bearing seat, and the ends of the two inner rotating shafts (507) that are close to each other are both connected to the placement frame. (13) is fixed to the placement rack (13), the bottom inner wall of the placement rack (13) is provided with a placement groove (512) for positioning the experimental items, one side of the vertical mounting plate (503) is fixed with an upper blocking rack (510) and a lower blocking rack (506) for blocking and limiting the position of the placement rack (13) through a quick release mechanism, one side of the side frame body (705) is provided with a positioning component (12) for fixing the vertical position of the furnace body (2), and the interior of the furnace body (2) is provided with a stabilizing mechanism for keeping the placement rack (13) stable in the furnace body (2).

6. The experimental high temperature and high pressure furnace according to claim 5, characterized in that: The quick-release mechanism comprises a plurality of threaded holes (511), the plurality of threaded holes (511) being arranged at equal distances on one side of the vertical mounting plate (503), and the upper retaining frame (510) and the lower retaining frame (506) each having two through holes arranged inside thereof, wherein fastening screws (509) which can be threadedly connected to the threaded holes (511) are arranged in the through holes.

7. The experimental high temperature and high pressure furnace according to claim 5, characterized in that: The positioning assembly (12) comprises a rotating disk (1201), the rotating disk (1201) being fixedly connected to one side of one of the outer rotating shafts (704), a pin slot (1202) being provided at the bottom of the rotating disk (1201), a second mounting frame (1204) being fixedly connected to the inner wall of one side of the side frame body (705), an electromagnetic lock (1203) being fixedly connected to the bottom of the second mounting frame (1204), and a lock tongue of the electromagnetic lock (1203) being insertable into the pin slot (1202).

8. The experimental high temperature and high pressure furnace according to claim 1, characterized in that: The stabilizing mechanism comprises a counterweight frame (505), the counterweight frame (505) being fixedly connected to the bottom outer wall of the placement frame (13), a bottom inner wall of the furnace body (2) being fixedly connected to a bottom magnetic block (504) for magnetically attracting the bottom end of the counterweight frame (505) in the furnace body (2) in a vertical state, and a side inner wall of one side of the furnace body (2) being fixedly connected to a side magnetic block (501) for magnetically attracting the bottom end of the counterweight frame (505) in the furnace body (2) after being turned over.

9. The experimental high temperature and high pressure furnace according to claim 1, characterized in that: The flip drive assembly (7) comprises a driven synchronous pulley (703), the driven synchronous pulley (703) being fixedly connected to one end of one of the outer rotating shafts (704), a flip motor (701) being fixedly connected to one side of the base frame (1), a driving synchronous pulley (702) being fixedly connected to one end of the output shaft of the flip motor (701), and the driving synchronous pulley (702) and the driven synchronous pulley (703) being connected via a synchronous belt transmission.

10. The experimental high temperature and high pressure furnace according to claim 1, characterized in that: The ventilation assembly (6) comprises a gas tank (606), wherein the gas tank (606) is fixedly connected to the top of the base frame (1), and a ventilation pump (603) and a vortex air pump (610) are fixedly connected to the top of the base frame (1), wherein one end of the air inlet of the ventilation pump (603) is connected to the gas tank (606) via a pipe 1 (604), and one end of the air outlet of the ventilation pump (603) is connected to an upper connecting hose (607) via a pipe 2 (605), and the upper connecting hose (610) is connected to the upper connecting hose (607). 07) is connected to the closing cover (4) through an upper pneumatic switch valve (608), one side of the gas tank (606) is connected to an electric three-way valve (609), and a lower connecting hose (602) is fixed to one of the ports of the electric three-way valve (609), one end of the lower connecting hose (602) is connected to the furnace body (2) through a lower pneumatic switch valve (601), and the other port of the electric three-way valve (609) is connected to one end of the blowing port of a vortex air pump (610) through a connecting pipe.

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