阅读说明：本技术 一种人工合成黑云母晶体的结晶方法 (Crystallization method for artificially synthesizing black mica crystal ) 是由 李祈霖 于 2021-09-08 设计创作，主要内容包括：本发明公开了一种人工合成黑云母晶体的结晶方法,属于化工技术领域,本方案实现炉体内的保温层能够减少热量的外泄,起到保温隔热的作用,而部分外泄的能量流动到连接套框内后,使其内部的膨胀粉末受热膨胀,挤压支撑加固块,实现对炉体进行支撑加固,加固炉体的支撑强度,同时热量反射板配合隔热球的隔热层实现以远红外电磁波的形式向外辐射热量,将热量反射回去,使热量重新进入到炉体内,进一步减少热量外泄,而热量外泄到到吹气框内带动耐高温伸缩气囊内空气受热膨胀,带动耐高温伸缩气囊延伸,推动挤压板相向运动,使其挤压吹气框内的空气经过吹气管向炉体方向吹动,减少热量的外泄,起到隔热保温的作用。(The invention discloses a crystallization method for artificially synthesizing a black mica crystal, which belongs to the technical field of chemical industry, the scheme realizes that a heat-insulating layer in a furnace body can reduce the leakage of heat and play a role of heat insulation, partial leaked energy flows into a connecting sleeve frame to cause the expansion powder in the connecting sleeve frame to expand by heating and extrude a supporting reinforcing block to realize the supporting and reinforcing of the furnace body and reinforce the supporting strength of the furnace body, meanwhile, a heat reflecting plate is matched with a heat-insulating layer of a heat-insulating ball to realize the outward radiation of heat in the form of far infrared electromagnetic waves and reflect the heat back to cause the heat to reenter the furnace body, further reduce the leakage of heat, the heat is leaked into an air blowing frame to drive the air in a high-temperature resistant telescopic air bag to be thermally expanded to drive the high-temperature resistant telescopic air bag to extend, push an extrusion plate to move oppositely, and cause the air in the extrusion air blowing frame to blow towards the furnace body through an air blowing pipe, reducing the heat leakage and playing the role of heat insulation.)

1. A crystallization method for artificially synthesizing a black mica crystal is characterized by comprising the following steps: the method comprises the following steps:

s1, preparing raw materials according to the weight ratio, taking 32-38% of quartz sand, fused magnesia: 4-20%, potassium carbonate: 5-12%, iron oxide: 15-18% of potassium fluosilicate, alumina, one or more of alkali metal and alkaline earth metal fluorides;

s2, crushing the raw materials to fully disperse and mix the raw materials, adding the crushed raw materials into a heat insulation type kiln, compacting the raw materials, heating the heat insulation type kiln to raise the temperature of the heat insulation type kiln to enable the internal temperature of the heat insulation type kiln to reach 1500-;

s3, after the reaction is finished, controlling the temperature in the heat-insulating kiln to be rapidly cooled to 1150-.

2. The crystallization method of artificially synthesized heinmu crystal according to claim 1, characterized in that: the heat insulation type kiln furnace in the S2 comprises a furnace body (1), a heat insulation base (2) is fixedly connected to the lower end of the furnace body (1), a furnace cover (3) is rotatably connected to the upper end of the furnace body (1), a heat insulation layer (4) is arranged on the inner wall of the furnace body (1), a connecting sleeve frame (11) is sleeved at the outer end of the furnace body (1), a heat reflection plate (5) is fixedly connected between the inner walls of the connecting sleeve frame (11), thermal expansion powder (6) is filled between the heat reflection plate (5) and the connecting sleeve frame (11), a plurality of uniformly distributed mounting openings (7) are formed in the inner wall of the connecting sleeve frame (11), supporting reinforcing blocks (8) are arranged in the mounting openings (7), high-temperature resistant diaphragms (9) are fixedly connected between the upper ends and the lower ends of the supporting reinforcing blocks (8) and the inner walls of the mounting openings (7), one ends, far away from the heat reflection plate (5), of the supporting reinforcing blocks (8) are contacted with the outer end of the furnace body (1), a plurality of heat insulation balls (10) which are uniformly distributed are fixedly connected between the heat reflection plate (5) and the connecting sleeve frame (11), and the heat insulation balls (10) are positioned on the outer side of the thermal expansion powder (6).

3. The crystallization method of artificially synthesized heinmu crystal according to claim 2, characterized in that: the outer end fixedly connected with of connecting cover frame (11) blows frame (15) of a plurality of evenly distributed, it has stripper plate (13) to blow in frame (15), fixedly connected with high temperature resistant flexible gasbag (14) between the outer end of stripper plate (13) and the inner wall of blowing frame (15), connecting cover frame (11) and the blowing frame (15) between fixedly connected with a plurality of evenly distributed's gas blow pipe (12), gas pipe (12) are linked together with the inside of connecting cover frame (11) and blowing frame (15) respectively.

4. The crystallization method of artificially synthesized heinmu crystal according to claim 2, characterized in that: the furnace body (1) adopts the diatomaceous earth material to make, the upper end fixedly connected with handle (16) of bell (3), the outer end cover of handle (16) is equipped with high temperature resistant protective sheath (17), the outer end of high temperature resistant protective sheath (17) is equipped with anti-skidding line.

5. The crystallization method of artificially synthesized heinmu crystal according to claim 2, characterized in that: the heat-insulating layer (4) is prepared by mixing various raw materials in S1.

6. The crystallization method of artificially synthesized heinmu crystal according to claim 2, characterized in that: the thermal expansion powder (6) is prepared by mixing materials such as 110 methyl vinyl silicone rubber, thermal expansion graphite, aluminum hydroxide, magnesium hydroxide, nitrogen phosphorus boron flame retardant, paraffin oil, bi-di-penta cross-linking agent and the like.

7. The crystallization method of artificially synthesized heinmu crystal according to claim 2, characterized in that: the heat reflecting plate (5) is made of special heat reflecting resin materials, the interior of the heat insulation ball (10) is hollow, and the outer end of the heat insulation ball (10) is provided with a heat insulation layer.

8. The crystallization method of artificially synthesized heinmu crystal according to claim 3, characterized in that: the outer end of the extrusion plate (13) is fixedly connected with a sealing ring, and the outer end of the sealing ring is in close contact with the inner wall of the blowing frame (15).

9. The crystallization method of artificially synthesized heinmu crystal according to claim 3, characterized in that: the outer end of the high-temperature-resistant telescopic air bag (14) is arranged in a corrugated manner, and the surface of the high-temperature-resistant telescopic air bag (14) is provided with a wear-resistant layer.

Technical Field

The invention relates to the technical field of chemical industry, in particular to a crystallization method for artificially synthesizing a black mica crystal.

Background

Mica is a rock-making mineral, usually takes the form of pseudo-hexagonal or rhombic plate-shaped, sheet-shaped and columnar crystal, is an insulator with excellent performance, hard texture, high mechanical strength, high resistance, low dielectric loss, electric arc resistance, corona resistance and other excellent dielectric properties, high temperature resistance, rapid temperature change resistance, acid and alkali resistance and other good physicochemical properties, so the mica crystal is widely applied to a plurality of chemical fields, the mica crystal is one of mica crystals, is mainly produced in metamorphic rocks, has the color from black to brown, red or green, has glass luster, is mostly plate-shaped and columnar, the currently available biotite crystal comprises two types of natural biotite crystals and artificially synthesized biotite crystals, the artificially synthesized biotite crystal is an artificially synthesized silicate sheet crystal, also can be called as synthetic fluorine iron mica, has pure texture, the artificial synthetic black mica has magnetic property and can be applied to some special fields, such as magnetic material and the like, and the artificial synthetic black mica also has a complete sheet structure, meets the application requirements in the paint industry, can be applied to decorative paints such as real stone paint and the like, and can be used as a pearlescent pigment with special light sensation and special performance, in addition, the artificial synthetic black mica can be ground into micro-nano level sheet powder and can be applied to some micro electronic parts and can be used as a novel antifriction and antiwear additive, chemical and physical changes occur in the friction process, the effects of reducing friction coefficient and slowing down abrasion are realized on friction parts, meanwhile, the friction parts obtain smoother and smoother appearance, and a punctiform friction surface repairing film is formed, protecting the surface from further damage.

In the process of artificially synthesizing the biotite crystal, various raw materials are required to be added into a kiln for melting, but heat is easy to leak in the melting process, the melting efficiency is reduced, the synthesis of the biotite crystal is not facilitated, and the synthesis effect is greatly reduced.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide a crystallization method for artificially synthesizing a black mica crystal, which can realize that a heat-insulating layer in a furnace body can reduce the leakage of heat and play a role in heat insulation, and after part of leaked energy flows into a connecting sleeve frame, the expanded powder in the furnace body is heated and expanded to extrude a supporting and reinforcing block to support and reinforce the furnace body and reinforce the supporting strength of the furnace body, meanwhile, a heat reflecting plate is matched with a heat-insulating layer of a heat-insulating ball to realize the outward radiation of heat in the form of far infrared electromagnetic waves, the heat is reflected back to ensure that the heat reenters the furnace body, further reduces the leakage of heat, the heat leaks into an air blowing frame to drive the air in a high-temperature resistant telescopic air bag to thermally expand to drive the high-temperature resistant telescopic air bag to extend, and pushes extrusion plates to move oppositely to ensure that the extrusion air in the air blowing frame is blown towards the furnace body through an air blowing pipe, reducing the heat leakage and playing the role of heat insulation.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

A crystallization method for artificially synthesizing a black mica crystal comprises the following steps:

s1, preparing raw materials according to the weight ratio, taking 32-38% of quartz sand, fused magnesia: 4-20%, potassium carbonate: 5-12%, iron oxide: 15-18% of potassium fluosilicate, alumina, one or more of alkali metal and alkaline earth metal fluorides;

s2, crushing the raw materials to fully disperse and mix the raw materials, adding the crushed raw materials into a heat insulation type kiln, compacting the raw materials, heating the heat insulation type kiln to raise the temperature of the heat insulation type kiln to enable the internal temperature of the heat insulation type kiln to reach 1500-;

s3, after the reaction is finished, controlling the temperature in the heat-insulating kiln to be rapidly cooled to 1150-.

Further, the heat insulation type kiln in the S2 includes a kiln body, a heat insulation base is fixedly connected to the lower end of the kiln body, a kiln cover is rotatably connected to the upper end of the kiln body, a heat insulation layer is arranged on the inner wall of the kiln body, a connecting sleeve frame is sleeved on the outer end of the kiln body, a heat reflection plate is fixedly connected between the inner walls of the connecting sleeve frame, heat expansion powder is filled between the heat reflection plate and the connecting sleeve frame, a plurality of uniformly distributed installation openings are chiseled on the inner wall of the connecting sleeve frame, supporting and reinforcing blocks are arranged in the installation openings, a high temperature resistant diaphragm is fixedly connected between the upper end and the lower end of each supporting and reinforcing block and the inner wall of the installation opening, one end of each supporting and reinforcing block, which is far away from the heat reflection plate, is in contact with the outer end of the kiln body, a plurality of uniformly distributed heat insulation balls are fixedly connected between the heat reflection plate and the connecting sleeve frame, and the heat insulation balls are located outside the heat expansion powder, can realize improving the thermal-insulated effect of heat preservation of furnace body through the heat preservation, reduce thermal leakage, avoid causing the influence to the system of melting of black mica crystal, and partial heat leaks out, flow to in the connecting sleeve frame, make its inside thermal energy powder thermal expansion, the extrusion supports the reinforcing block and supports the furnace body, consolidate the support intensity of furnace body, avoid it impaired, heat reflecting plate cooperation heat insulating ball goes back the heat reflection with far infrared electromagnetic wave's form simultaneously, make in the heat reenters the furnace body, reduce thermal leakage, be convenient for the system of melting sintering of black mica crystal, improve synthetic effect.

Further, a plurality of evenly distributed's of outer end fixedly connected with of connection cover frame blow the frame, sliding connection has the stripper plate in the frame of blowing, fixedly connected with high temperature resistant flexible gasbag between the outer end of stripper plate and the inner wall of blowing frame, a plurality of evenly distributed's of fixedly connected with gas blow pipe between connection cover frame and the frame of blowing, the gas blow pipe is linked together with the inside of connection cover frame and the frame of blowing respectively, and in getting into the frame of blowing along with heat leaks, make the gas in the high temperature resistant flexible gasbag be heated the inflation, drive high temperature resistant flexible gasbag and extend, promote the air in the stripper plate extrusion frame of blowing and blow to the furnace body direction through the gas blow pipe, further reduce thermal leakage, play thermal-insulated heat retaining effect.

Further, the furnace body adopts the diatomaceous earth material to make, the upper end fixedly connected with handle of bell, the outer pot head of handle is equipped with high temperature resistant protective sheath, the outer end of high temperature resistant protective sheath is equipped with anti-skidding line, and the furnace body of making through using the diatomaceous earth material has outstanding high temperature resistance, can bear the high temperature of 1000 degrees centigrade, can also air-purifying simultaneously, gives sound insulation, waterproof and thermal-insulated, and the performance is outstanding, and the setting of handle makes things convenient for technical staff pulling bell to open and shut, realizes the interpolation of raw materials and takes out, and uses high temperature resistant protective sheath to be equipped with anti-skidding line, can play the effect of protection, prevent simultaneously that technical staff from taking place the landing when the pulling handle is opened and shut the bell.

Furthermore, the heat-insulating layer is prepared by mixing various raw materials in S1, and the heat-insulating layer prepared by mixing quartz sand, fused magnesia, potassium carbonate, ferric oxide, potassium fluosilicate, aluminum oxide, alkali metal fluoride and alkaline earth metal fluoride has good heat-insulating effect and reduces the possibility of heat leakage.

Furthermore, the thermal expansion powder is prepared by mixing materials such as 110 methyl vinyl silicone rubber, thermal expansion graphite, aluminum hydroxide, magnesium hydroxide, nitrogen phosphorus boron flame retardant, paraffin oil and bi-di-penta cross-linking agent, and the thermal expansion powder prepared by mixing materials such as 110 methyl vinyl silicone rubber, thermal expansion graphite, aluminum hydroxide, magnesium hydroxide, nitrogen phosphorus boron flame retardant, paraffin oil and bi-di-penta cross-linking agent can expand after being subjected to high temperature, and the extrusion support reinforcing block plays a role in supporting and reinforcing.

Furthermore, the heat reflecting plate is made of special heat reflecting resin materials, the inner part of the heat insulation ball is arranged in a hollow mode, the outer end of the heat insulation ball is provided with a heat insulation layer, the heat reflecting plate made of the special heat reflecting resin materials is matched with the heat insulation layer of the heat insulation ball to realize that heat is radiated outwards in the form of far infrared electromagnetic waves, the heat is reflected back, the heat enters the furnace body again, and the leakage of the heat is reduced.

Furthermore, the outer end fixedly connected with sealing washer of stripper plate, the outer end of sealing washer and the inner wall in close contact with of blowing the frame through the setting of sealing washer, can reduce the air through the stripper plate and the gas possibility of outwards revealing in the gap between the frame of blowing, improve the leakproofness.

Further, the outer end of high temperature resistant flexible gasbag is the corrugate setting, the surface of high temperature resistant flexible gasbag is equipped with the wearing layer, establishes to the corrugate through the outer end with high temperature resistant flexible gasbag, can realize that the air inside its high temperature resistant flexible gasbag is heated the quick response after the inflation, extends, and the setting of wearing layer realizes at the flexible in-process of high temperature resistant flexible gasbag, reduces its and the friction influence between the frame inner wall of blowing, makes its difficult emergence wearing and tearing, prolongs its life.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

this scheme realizes that the heat preservation in the furnace body can reduce thermal leakage, play the thermal-insulated effect of heat preservation, and the energy that partly leaks flows behind in the connecting sleeve frame, make its inside inflation powder thermal expansion, the reinforcing piece is supported in the extrusion, realize supporting the reinforcement to the furnace body, consolidate the support intensity of furnace body, the insulating layer of heat reflecting plate cooperation heat insulating ball realizes outwards radiating heat with far infrared electromagnetic wave's form simultaneously, go back the heat reflection, make the heat enter into the furnace body again, further reduce the heat and leak, the heat leaks to drive the interior air thermal expansion of high temperature resistant flexible gasbag in the frame of blowing, drive the extension of high temperature resistant flexible gasbag, promote the stripper plate and move in opposite directions, make the air in its extrusion frame of blowing blow to the furnace body direction through the gas blow pipe, reduce thermal leakage, play thermal-insulated heat retaining effect.

Drawings

FIG. 1 is a flow chart of the artificial synthesis method of a black mica crystal according to the present invention;

FIG. 2 is a schematic view of the overall construction of the kiln of the invention;

FIG. 3 is a schematic front view of the heat insulation kiln of the present invention;

FIG. 4 is a schematic perspective view of the furnace body according to the present invention;

FIG. 5 is a schematic view of a partial cross-sectional structure of a connection frame according to the present invention;

fig. 6 is a front view structural schematic diagram of the high temperature resistant telescopic airbag of the present invention.

The reference numbers in the figures illustrate:

1. a furnace body; 2. a thermally insulated base; 3. a furnace cover; 4. a heat-insulating layer; 5. a heat reflection plate; 6. a thermally expansive powder; 7. an installation port; 8. supporting a reinforcing block; 9. a high temperature resistant diaphragm; 10. a heat-insulating ball; 11. connecting the sleeve frame; 12. an air blowing pipe; 13. a pressing plate; 14. a high temperature resistant telescopic air bag; 15. an air blowing frame; 16. a handle; 17. high temperature resistant protective sheath.

Detailed Description

The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1, a crystallization method for artificially synthesizing a heiyunmu crystal includes the following steps:

s1, preparing raw materials according to the weight ratio, taking 32-38% of quartz sand, fused magnesia: 4-20%, potassium carbonate: 5-12%, iron oxide: 15-18% of potassium fluosilicate, alumina, one or more of alkali metal and alkaline earth metal fluorides;

s2, crushing the raw materials to fully disperse and mix the raw materials, adding the crushed raw materials into a heat insulation type kiln, compacting the raw materials, heating the heat insulation type kiln to raise the temperature of the heat insulation type kiln to enable the internal temperature of the heat insulation type kiln to reach 1500-;

s3, after the reaction is finished, controlling the temperature in the heat-insulating kiln to be rapidly cooled to 1150-.

Referring to fig. 2-5, the heat insulation type kiln in S2 includes a kiln body 1, a heat insulation base 2 fixedly connected to the lower end of the kiln body 1, a kiln cover 3 rotatably connected to the upper end of the kiln body 1, a heat insulation layer 4 disposed on the inner wall of the kiln body 1, a connection sleeve frame 11 sleeved on the outer end of the kiln body 1, a heat reflection plate 5 fixedly connected between the inner walls of the connection sleeve frame 11, thermal expansion powder 6 filled between the heat reflection plate 5 and the connection sleeve frame 11, a plurality of uniformly distributed installation openings 7 drilled on the inner wall of the connection sleeve frame 11, a support reinforcing block 8 disposed in the installation opening 7, a high temperature resistant diaphragm 9 fixedly connected between the upper and lower ends of the support reinforcing block 8 and the inner wall of the installation opening 7, one end of the support reinforcing block 8 far from the heat reflection plate 5 contacting the outer end of the kiln body 1, a plurality of uniformly distributed heat insulation balls 10 fixedly connected between the heat reflection plate 5 and the connection sleeve frame 11, thermal-insulated ball 10 is located the outside of thermal energy powder 6, can realize improving the thermal-insulated effect of heat preservation of furnace body 1 through heat preservation 4, reduce thermal leakage, avoid causing the influence to the melting of black mica crystal, and partial heat leaks out, flow to connecting sleeve frame 11 in, make its inside thermal energy powder 6 thermal expansion, the extrusion supports reinforcing block 8 and supports furnace body 1, reinforce furnace body 1's support intensity, avoid it impaired, thermal reflecting plate 5 cooperates thermal-insulated ball 10 to go back the heat reflection with the form of far infrared electromagnetic wave simultaneously, make the heat enter into furnace body 1 again, reduce thermal leakage, be convenient for the melting sintering of black mica crystal, improve the synthetic effect.

Referring to fig. 2-6, the outer end of the connection sleeve frame 11 is fixedly connected with a plurality of uniformly distributed blowing frames 15, the blowing frames 15 are slidably connected with extrusion plates 13, a high temperature resistant telescopic air bag 14 is fixedly connected between the outer end of the extrusion plates 13 and the inner wall of the blowing frames 15, a plurality of uniformly distributed air blowing pipes 12 are fixedly connected between the connection sleeve frame 11 and the blowing frames 15, the air blowing pipes 12 are respectively communicated with the interiors of the connection sleeve frame 11 and the blowing frames 15, the air enters the blowing frames 15 along with heat leakage, so that the air in the high temperature resistant telescopic air bag 14 is heated and expanded to drive the high temperature resistant telescopic air bag 14 to extend, the air in the blowing frames 15 is pushed to be blown to the furnace body 1 direction by the extrusion plates 13 through the air blowing pipes 12, the heat leakage is further reduced, and the heat insulation and preservation effects are achieved.

Referring to fig. 2 and 5, the furnace body 1 is made of diatomite material, the upper end of the furnace cover 3 is fixedly connected with a handle 16, the outer end of the handle 16 is sleeved with a high temperature resistant protective sleeve 17, the outer end of the high temperature resistant protective sleeve 17 is provided with anti-slip patterns, the furnace body 1 made of diatomite material has excellent high temperature resistance, can bear the high temperature of more than 1000 ℃, can purify air, has excellent performance, is sound-proof, waterproof and heat-proof, and can facilitate technicians to pull the furnace cover 3 to open and close to realize the addition and extraction of raw materials, the high temperature resistant protective sleeve 17 is provided with anti-slip patterns to play a role of protection, and simultaneously prevents the technicians from slipping when pulling the handle 16 to open and close the furnace cover 3, the heat preservation layer 4 is made of various raw materials in S1 by mixing quartz sand, fused magnesia, potassium carbonate, iron oxide, and the high temperature resistant protective sleeve 17 is provided with anti-slip patterns, The heat-insulating layer 4 made of potassium fluosilicate, alumina, alkali metal and alkaline earth metal fluoride has good heat-insulating effect and reduces the possibility of heat leakage.

Referring to fig. 2-5, the thermal expansion powder 6 is prepared by mixing materials such as 110 methyl vinyl silicone rubber, thermal expansion graphite, aluminum hydroxide, magnesium hydroxide, nitrogen phosphorus boron flame retardant, paraffin oil and bi-di-v cross-linking agent, the thermal expansion powder 6 prepared by mixing materials such as 110 methyl vinyl silicone rubber, thermal expansion graphite, aluminum hydroxide, magnesium hydroxide, nitrogen phosphorus boron flame retardant, paraffin oil and bi-di-v cross-linking agent can expand after being subjected to high temperature, the support reinforcing block 8 is extruded to play a role in supporting and reinforcing, the heat reflecting plate 5 is prepared by using a special heat reflecting resin material, the interior of the heat insulating ball 10 is hollow, the outer end of the heat insulating ball 10 is provided with a heat insulating layer, the heat reflecting plate 5 prepared by using the special heat reflecting resin material is matched with the heat insulating layer of the heat insulating ball 10 to realize outward radiation of heat in the form of far infrared electromagnetic waves, the heat is reflected back to enter the furnace body 1 again, and the leakage of the heat is reduced.

Referring to fig. 2-6, the outer end of the extrusion plate 13 is fixedly connected with a sealing ring, the outer end of the sealing ring is in close contact with the inner wall of the air blowing frame 15, the sealing ring is arranged to reduce the possibility that air leaks outwards through a gap between the extrusion plate 13 and the air blowing frame 15, and improve the sealing performance, the outer end of the high temperature resistant telescopic air bag 14 is arranged in a corrugated shape, and a wear-resistant layer is arranged on the surface of the high temperature resistant telescopic air bag 14, so that the air inside the high temperature resistant telescopic air bag 14 can quickly respond after being heated and expanded to extend through the arrangement of the outer end of the high temperature resistant telescopic air bag 14 in the corrugated shape, and the arrangement of the wear-resistant layer is realized to reduce the friction influence between the air and the inner wall of the air blowing frame 15 in the telescopic process of the high temperature resistant telescopic air bag 14, so that the air bag is not easy to wear, and the service life of the air bag is prolonged.

In the invention, when using the device, a technician in the relevant field firstly pulls the handle 16, opens the furnace cover 3, adds various raw materials into the furnace body 1, after the raw materials are added, covers the furnace cover 3, heats the furnace body 1, keeps the internal temperature unchanged after rising to 1500-, make the heat enter into furnace body 1 again, reduce thermal leakage, be convenient for the founding sintering of black mica crystal, improve the synthetic effect, enter into in blowing frame 15 along with the heat leaks, make the gas in the flexible gasbag 14 of nai high temperature be heated the inflation, drive the flexible gasbag 14 of nai high temperature and extend, promote the air in the extrusion board 13 extrusion blowing frame 15 and blow to furnace body 1 direction through gas blow pipe 12, further reduce thermal leakage, play thermal-insulated heat retaining effect, and after the reaction, stop heating, make the inside material natural cooling crystallization of furnace body 1, treat that the temperature cools off to the room temperature in the furnace body 1 after, pulling handle 16, open bell 3, it is broken to take out the material, obtain black mica crystal.

The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.