CN116086184A - Equipment for preparing silicon oxide - Google Patents

Abstract

The invention provides equipment for preparing silicon oxide, which belongs to the technical field of silicon oxide preparation, and is used for solving the problems that the existing silicon oxide production equipment is poor in batch stability and cannot realize simultaneous mass production of the same furnace body and the like for silicon oxide production, and the large number of requirements of the industry are extremely weak.

Description

Equipment for preparing silicon oxide

Technical Field

The invention belongs to the technical field of preparation of silicon oxide, and particularly relates to equipment for preparing silicon oxide.

Background

Currently, silicon oxide (SiOx) is an important electron and optical material and negative electrode additive for lithium ion batteries. Traditionally, the production of silica is carried out by mixing elemental silicon and silicon dioxide in the same molar ratio, grinding into micron-sized powder (the smaller and more uniform the particles are, the more compact and more advantageous the reaction are mutually indirect), and heating to a temperature above 1000 ℃ under negative pressure to carry out disproportionation reaction, the higher the temperature is, the faster the silica so formed overflows in the form of vapor, is brought to a place where the pressure and temperature are lower and is condensed into silica solid. Where x is not exactly equal to one.

At present, most of domestic silicon oxide production equipment is a single-body vacuum furnace, the yield is low, the energy consumption is high, meanwhile, the batch stability aiming at silicon oxide production is poor, in addition, the single-body vacuum furnace is longer in heating time, the simultaneous mass production work of the same furnace body cannot be realized, the performance of a great deal of requirements of the industry is extremely weak, and the development of silicon-based anode materials of lithium ion batteries cannot be met, so that the equipment for preparing the silicon oxide is designed.

Disclosure of Invention

The invention aims to provide a device for preparing silicon oxide, which utilizes an extended transfer furnace body arranged on an existing heating furnace body, and drives a carrying crucible to move into the transfer furnace body to add raw materials through a traction mechanism after heating sublimation in a round of carrying crucible is completed, when the raw materials are added to the carrying crucible, a heat insulation component connected between the heating furnace body and the transfer furnace body is utilized to obstruct the heating furnace body, so that the temperature in the heating furnace body is prevented from losing too fast, and the heating furnace body is continuously vacuumized and heated after the raw materials in the carrying crucible are added, thereby shortening the time for the heating furnace body to reach the temperature required by raw material sublimation, improving the preparation efficiency of the silicon oxide, and solving the problems that the production device for silicon oxide in the prior art has poor batch stability for silicon oxide production, can not realize the mass production work of the same furnace body at the same time and has extremely weak expression on a great amount of requirements of industries.

In order to achieve the above purpose, the present invention provides the following technical solutions:

the equipment for preparing the silicon oxide comprises a heating furnace body, a transfer furnace body, a furnace cover component and a collecting device, wherein heating systems are arranged in the heating furnace body, the transfer furnace body and the collecting device, the heating furnace body is connected with external vacuumizing equipment through a vacuumizing interface, a heat insulation component is connected between the heating furnace body and the transfer furnace body, the other end of the transfer furnace body is connected with the furnace cover component through a furnace cover opening and closing mechanism, and a material carrying crucible is connected in the transfer furnace body through a traction mechanism;

the traction mechanism comprises a rolling assembly, a first traction rope, a second traction rope and a sliding assembly, wherein the rolling assembly comprises a third motor, the third motor is installed on a transfer furnace body, the output end of the third motor penetrates through an external hole formed in the transfer furnace body and is fixedly provided with a rolling shaft, the rolling shaft is isolated into two rolling spaces by three limiting plates, the two rolling spaces are respectively wound with the first traction rope and the second traction rope, the sliding assembly consists of a first sliding rail and a second sliding rail, the first sliding rail and the second sliding rail are respectively arranged in the transfer furnace body and a heating furnace body, a sliding rail fracture groove matched with the heat insulation assembly is formed between the first sliding rail and the second sliding rail, the material carrying crucible is in the first sliding rail and the second sliding rail through a sliding seat fixed at the bottom, a first perforation and a second perforation are formed in the transfer furnace body, the other end of the first traction rope penetrates through the first perforation and is fixed with one end of the sliding seat, and the other end of the second traction rope penetrates through the second perforation, the heat insulation assembly and the other end of the heating furnace body and is fixed with the rope penetration hole in the sliding seat;

the heat insulation assembly comprises a connecting disc, an expansion disc and an opening and closing structure arranged in the connecting disc and the expansion disc, wherein the connecting disc is fixed between the heating furnace body and the transfer furnace body, a connecting cavity matched with the cavity of the heating furnace body and the cavity of the transfer furnace body is formed in the connecting disc, the connecting disc is fixed with the expansion disc, an inner groove is formed in the connecting disc and the expansion disc, the opening and closing structure comprises a first motor, the first motor is arranged on the outer side of the heat insulation assembly, the output end of the first motor penetrates through a shaft hole formed in the connecting disc and is fixed with a first penetrating shaft, the surface of the first penetrating shaft is fixed with the heat insulation disc, and sealing rings are arranged between two sides of the heat insulation disc and the connecting cavity.

Preferably, the collecting device comprises a collecting furnace, a top cover, a scraping structure and a collecting structure, wherein the scraping structure and the collecting structure are arranged at the bottom of the top cover, the collecting furnace is connected above the heating furnace body through a transmission channel, and the top of the collecting furnace is connected with the top cover through a lifting assembly;

the scraping structure comprises a second motor, the second motor is arranged at the top of the top cover, the output end of the second motor penetrates through the top cover and is fixedly provided with a second penetrating shaft, the lower end of the second penetrating shaft is fixedly provided with a cold matrix, and the bottom of the top cover is fixedly provided with a scraping plate contacted with the surface of the cold matrix;

the collecting structure comprises a material tray, the bottom of the top cover is fixed with a magnetic ring through a plurality of lower connecting plates, the top of the material tray is adsorbed on the bottom of the magnetic ring through another magnetic ring, an aggregation cover is fixed in the material tray, air holes are formed in the aggregation cover, the air holes are located below the cold matrix, and the bottom of the aggregation cover is communicated with an outlet of the transmission channel.

Preferably, the lifting structure comprises an L-shaped fixing plate, one end of the L-shaped fixing plate is fixed at the bottom of the collecting furnace, an L-shaped inserting plate is movably inserted in the L-shaped fixing plate, the other end of the L-shaped inserting plate is fixed with the top cover, a first hydraulic cylinder is installed in the L-shaped fixing plate, the extending end of the first hydraulic cylinder is fixed with the bottom of the L-shaped inserting plate, and a matched limiting plate is fixed between the L-shaped inserting plate and the L-shaped fixing plate.

Preferably, the furnace cover assembly comprises a furnace cover body, the furnace cover body is connected to a port of the transfer furnace body, sealing flanges are arranged on one sides, close to the transfer furnace body, of the furnace cover body, and a plurality of buckling pieces which are distributed circumferentially and matched with the transfer furnace body are arranged on the furnace cover body.

Preferably, the furnace cover opening and closing mechanism comprises a tilting assembly and an extrapolation structure, and the extrapolation structure is arranged on the tilting assembly;

the pushing structure comprises a concave support plate, the concave support plate is connected to the inclined assembly, a fourth motor is installed at the other end of the concave support plate, the output end of the fourth motor penetrates through the concave support plate and is fixedly provided with a screw rod, the other end of the screw rod is rotationally connected in the concave support plate, the screw rod is connected with a threaded sleeve in a threaded manner, the bottom of the threaded sleeve is fixed with the furnace cover body through a connecting piece, a sliding groove is formed in the bottom of the concave support plate, a sliding block is fixed at the top of the threaded sleeve, and the sliding block is slidably connected in the sliding groove;

the tilting assembly comprises a base, the base is fixed at the top of the transfer furnace body, two convex plates are fixed at the top of the base, a connecting shaft is connected between the two convex plates through a hinge shaft in a rotating mode, the other end of the connecting shaft is fixed with a concave supporting plate, the base and the concave supporting plate are arranged, the tilting assembly is mounted on the base, and the extending end is connected onto the concave supporting plate through another connecting shaft.

Preferably, the connecting disc and the expansion disc in the heat insulation assembly form a fan-like disc, the diameter of the heat insulation disc is larger than that of the connecting cavity, the distance between the first penetrating shaft and the edge of the fan-like disc is larger than that of the heat insulation disc, and the heat insulation disc is filled with heat insulation materials.

Preferably, the surface of the transfer furnace body is provided with a motor caulking groove, the first motor is embedded in the motor caulking groove, and a sealing shaft sleeve is arranged between the shaft hole and the first penetrating shaft and between the winding shaft and the external hole.

Preferably, the surface cover of transmission channel is equipped with the heat preservation, all be provided with detection device in heating furnace body, the transfer furnace body and the collection device, detection device comprises temperature sensor and pressure sensor, still be provided with the flange connection pad between top cap and the collection furnace in the collection device.

Compared with the prior art, the invention has the beneficial effects that:

1. in the scheme, the whole equipment can continuously and repeatedly add raw materials into the material loading crucible in the production process of the silicon oxide, so that the time for the furnace body to be heated to the sublimation temperature of the silicon oxide again is shortened, and the preparation efficiency of the silicon oxide is improved;

2. in this scheme, also can reduce artificial labor intensity when semi-automatization's equipment raise the efficiency to the collection structure in the cooperation collection device can effectively improve current batch stability poor problem to silica production.

Drawings

The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a second view of the present invention of FIG. 2;

FIG. 4 is a cross-sectional view of the present invention;

FIG. 5 is a schematic view of an insulation assembly according to the present invention;

FIG. 6 is a schematic view of a collecting device according to the present invention;

FIG. 7 is a schematic diagram of a traction mechanism according to the present invention;

fig. 8 is a schematic structural view of a lid opening and closing mechanism in the present invention.

In the figure: 1. heating the furnace body; 101. a vacuumizing interface; 2. a thermal insulation assembly; 201. a connecting disc; 202. an expansion disc; 203. a connecting cavity; 204. an inner tank; 205. a shaft hole; 206. a first motor; 207. a first shaft penetrating; 208. a heat insulating tray; 3. a transfer furnace body; 301. a motor caulking groove; 4. a furnace cover assembly; 401. a furnace cover body; 402. a sealing flange; 403. a buckling piece; 404. a pull rope; 5. a transmission channel; 501. an expansion tank; 6. a collecting device; 601. a collection furnace; 602. an L-shaped fixing plate; 603. an L-shaped plugboard; 604. a first hydraulic cylinder; 605. a top cover; 606. a second motor; 607. a second shaft penetrating; 608. a cold base; 609. a scraper; 610. a lower connecting plate; 611. a magnetic ring; 612. a material tray; 613. a collection cover; 614. ventilation holes; 7. a loading crucible; 8. a traction mechanism; 801. a third motor; 802. a winding shaft; 803. a limiting disc; 804. a first traction rope; 805. a slide; 806. a first slide rail; 807. a second slide rail; 808. a second traction rope; 809. a first perforation; 810. a second perforation; 811. an external hole; 812. threading the rope hole; 813. a slide rail breaking groove; 9. a furnace cover opening and closing mechanism; 901. a base; 902. a convex plate; 903. a connecting shaft; 904. a concave support plate; 905. a fourth motor; 906. a screw rod; 907. a threaded sleeve; 908. a connecting piece; 909. a slide block; 910. and a sliding groove.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Example 1

Referring to fig. 1-8, the present invention provides the following technical solutions: the equipment for preparing the silica comprises a heating furnace body 1, a transfer furnace body 3, a furnace cover component 4 and a collecting device 6, wherein heating systems are arranged in the heating furnace body 1, the transfer furnace body 3 and the collecting device 6, the heating systems can adopt a resistance wire heating mode, heating resistance wires are paved in the inner walls of the heating furnace body 1, the transfer furnace body 3 and the collecting device 6 to realize uniform and rapid heating, the heating furnace body 1 is connected with external vacuumizing equipment through a vacuumizing interface 101, the vacuumizing equipment also comprises a rotary vane pump, a Roots pump and a diffusion pump, a vacuum baffle valve, a differential pressure valve, a flexible connecting piece and a vacuum extractor consisting of other accessories which are arranged on an evacuating pipeline connected with the vacuumizing interface 101 are connected, a heat insulation component 2 is connected between the heating furnace body 1 and the transfer furnace body 3, the heat insulation component 2 can be used for blocking the temperature in the heating furnace body 1 in the process of feeding materials again on a material loading crucible 7, so that the temperature loss in the heating furnace body 1 is avoided to be excessive, the temperature of the silica sublimation needed to be reached in the processing process is reduced, the sublimation efficiency is improved, the other end of the transfer furnace body 3 is connected with the furnace cover 4 through an automatic opening and closing mechanism 9 and closing mechanism 4, and a furnace cover 3 can be opened at a position of the furnace cover opening and a sealing mechanism 8 through the furnace cover 3 and a sealing mechanism 4;

the traction mechanism 8 comprises a winding assembly, a first traction rope 804, a second traction rope 808 and a sliding assembly, wherein the first traction rope 804 and the second traction rope 808 are wound on the winding assembly, so that the winding assembly is convenient to use and drive the first traction rope 804 and the second traction rope 808 to wind up and loosen one another, the whole material carrying crucible 7 can slide in the heating furnace body 1 and the transfer furnace body 3 through the sliding assembly, repeated charging of the material carrying crucible 7 is realized conveniently, the winding assembly comprises a third motor 801, the third motor 801 is arranged on the transfer furnace body 3, the output end of the third motor 801 penetrates through an external connection hole 811 formed in the transfer furnace body 3 and is fixedly provided with a winding shaft 802, the winding shaft 802 is isolated into two winding spaces by three limit disks 803, the two winding spaces are respectively wound with the first traction rope 804 and the second traction rope 808, the winding assembly can use the externally arranged third motor 801 to drive the winding shaft 802 penetrating the transfer furnace body 3 to rotate, the winding spaces can avoid the first traction rope 804 and the second traction rope 808 wound on the winding shaft 802 to rotate in the winding shaft 802, the first traction rope 804 and the second traction rope 808 can be connected with the second traction rope 808 through the two winding shafts 804 in the two opposite directions, the material carrying crucible 7 can be wound up and down in the two opposite directions, the material carrying crucible 7 can be more conveniently loaded in the two winding shafts 808 through the two winding shafts 808, the two winding shafts are respectively, the two winding shafts 804 can be connected with the material carrying crucible 7 through the two winding shafts and the two winding shafts 3, and the material can be more conveniently and slipped, the material can be wound in the opposite directions and rotated through the winding shaft 3, and the winding body 3, the material can be conveniently and rotated through the winding device through the winding shaft 3, judging whether all the raw materials are processed or not in the process of moving the raw materials into the heating furnace body 1 through the loading crucible 7 to sublimate at high temperature; the sliding assembly consists of a first sliding rail 806 and a second sliding rail 807, the first sliding rail 806 and the second sliding rail 807 are respectively arranged in the transfer furnace body 3 and the heating furnace body 1, a sliding rail breaking groove 813 matched with the heat insulation assembly 2 is arranged between the first sliding rail 806 and the second sliding rail 807, a space can be reserved when the heat insulation assembly 2 separates the heating furnace body 1 from the transfer furnace body 3, the material carrying crucible 7 is slidably connected in the first sliding rail 806 and the second sliding rail 807 through a sliding seat 805 fixed at the bottom, a first perforation 809 and a second perforation 810 are arranged in the transfer furnace body 3, the other end of the first haulage rope 804 penetrates through the first perforation 809 and is fixed with one end of the sliding seat 805, and the other end of the second haulage rope 808 penetrates through the second perforation 810, the transfer furnace body 3, a rope penetrating hole 812 in the heat insulation assembly 2 and the heating furnace body 1 and is fixed with the other end of the sliding seat 805; the sliding component can drive the sliding seat 805 and the material carrying crucible 7 connected with the top to slide in the first sliding rail 806 and the second sliding rail 807 by the rolling component, and the first traction rope 804 and the second traction rope 808 are paved in the heating furnace body 1 and the transfer furnace body 3 to isolate high temperature, and the large influence of the heat insulation component 2 on the traction of the first traction rope 804 and the second traction rope 808 can be avoided, wherein the first traction rope 804 and the second traction rope 808 are preferably made of ceramic fiber square ropes, the service temperature can reach 1260 ℃, and the high temperature resistant strength is good, and the service life is long; the heat insulation assembly 2 comprises a connecting disc 201, an expansion disc 202 and an opening and closing structure arranged in the connecting disc 201 and the expansion disc 202, wherein the connecting disc 201 is fixed between the heating furnace body 1 and the transfer furnace body 3, a connecting cavity 203 matched with the cavity of the heating furnace body 1 and the cavity of the transfer furnace body 3 is formed in the connecting disc 201, the connecting disc 201 is fixed with the expansion disc 202, an inner groove 204 is formed in the connecting disc 201 and the expansion disc 202, the opening and closing structure comprises a first motor 206, the first motor 206 is arranged on the outer side of the heat insulation assembly 2, the output end of the first motor 206 penetrates through a shaft hole 205 formed in the connecting disc 201 and is fixed with a first penetrating shaft 207, the surface of the first penetrating shaft 207 is fixed with a heat insulation disc 208, the heat insulation assembly 2 can drive the first penetrating shaft 207 fixed at the output end and the heat insulation disc 208 to overturn in the inner groove 204 of the connecting disc 201 and the expansion disc 202 when a material carrying crucible 7 needs to move into the transfer furnace body 3 through a traction mechanism 8, the heat insulation disc 208 can be prevented from sliding to the inner groove 204 in the heating furnace body 1 according to the heat insulation effect of the sealing ring 208 which can be controlled by sliding in the heat insulation disc 1;

the collecting device 6 comprises a collecting furnace 601, a top cover 605, a scraping structure and a collecting structure, wherein the scraping structure and the collecting structure are arranged at the bottom of the top cover 605, the collecting furnace 601 is connected to the upper part of the heating furnace body 1 through a transmission channel 5, the top of the collecting furnace 601 is connected with the top cover 605 through a lifting assembly, the top cover 605 can be lifted through the lifting assembly connected with the collecting furnace 601, the top cover 605 and the collecting furnace 601 can be sealed after being lowered, and then the whole equipment is vacuumized and heated in cooperation with the heating furnace body 1, raw materials in the material carrying crucible 7 are sublimated, and gaseous silicon oxide is formed to flow into the collecting device 6 in a low-temperature and low-pressure area; the scraping structure comprises a second motor 606, the second motor 606 is arranged at the top of the top cover 605, the output end of the second motor 606 penetrates through the top cover 605 and is fixed with a second penetrating shaft 607, the lower end of the second penetrating shaft 607 is fixed with a cold matrix 608, and the bottom of the top cover 605 is also fixed with a scraping plate 609 which is in contact with the surface of the cold matrix 608; the scraping structure can utilize a second motor 606 installed outside to drive a second penetrating shaft 607 with a fixed extending end and a cold matrix 608 at the lower end to continuously rotate, the gaseous silicon dioxide can flow through the bottom of the transmission channel 5 and the cold matrix 608 of the collecting structure, the rotating cold matrix 608 is matched with a fixed scraping plate 609 to scrape off the condensed silicon oxide solids adhered on the surface of the cold matrix 608, so that the scraped silicon oxide drops to the collecting structure; the collecting structure comprises a tray 612, a magnetic ring 611 is fixed at the bottom of the top cover 605 through a plurality of lower connecting plates 610, a collecting cover 613 is fixed in the tray 612 and is arranged at the bottom of the magnetic ring 611 through another magnetic ring 611, ventilation holes 614 are formed in the collecting cover 613, the ventilation holes 614 are positioned below the cold matrix 608, the bottom of the collecting cover 613 is communicated with the outlet of the transmission channel 5, an expanding groove 501 is further formed at the joint of the transmission channel 5 and the heating furnace body 1, the flowing speed of gaseous silicon oxide to the transmission channel 5 can be improved, the shape of the collecting cover 613 can be used for avoiding scraped silicon oxide solids from dropping into the heating furnace body 1 through the transmission channel 5 again, the solids can be collected between the tray 612 and the collecting cover 613, ventilation holes 614 in the collecting cover 613 can concentrate the gaseous silicon oxide to the bottom of the cold matrix 608, thus the batch stability of the silicon oxide production is improved, the whole tray 612 can be adsorbed on another magnetic ring fixed at the bottom of the top cover 605 through a plurality of lower connecting plates 610, the whole silicon oxide 605 can be conveniently lifted and the top cover 605 is required to be separated by the lifting device, and the whole top cover 605 is lifted, and the finished product can be conveniently lifted and lifted by the lifting device 612; the lifting structure comprises an L-shaped fixing plate 602, one end of the L-shaped fixing plate 602 is fixed at the bottom of a collecting furnace 601, an L-shaped inserting plate 603 is movably inserted into the L-shaped fixing plate 602, the other end of the L-shaped inserting plate 603 is fixed with a top cover 605, a first hydraulic cylinder 604 is arranged in the L-shaped fixing plate 602, the extending end of the first hydraulic cylinder 604 is fixed with the bottom of the L-shaped inserting plate 603, a matched limiting plate is fixed between the L-shaped inserting plate 603 and the L-shaped fixing plate 602, the L-shaped inserting plate 603 with the extending end fixed can be driven by the first hydraulic cylinder 604 to move upwards in the first hydraulic cylinder 604 in the lifting structure, so that the top cover 605 fixed on the L-shaped inserting plate 603 is separated from the collecting furnace 601, the opening and closing convenience of the whole collecting device 6 is improved, and when the top cover 605 is closed with the collecting furnace 601, the sealing effect of connection between the L-shaped inserting plate 603 can be improved by using the L-shaped fixing plate 602;

the furnace lid subassembly 4 comprises furnace lid body 401, and furnace lid body 401 connects in the port department of transfer furnace body 3, and furnace lid body 401 all is provided with sealing flange 402 with transfer furnace body 3 looks one side, installs a plurality of circumference distributions and with transfer furnace body 3 assorted buckling pieces 403 on the furnace lid body 401, when furnace lid body 401 and transfer furnace body 3 port are closed in the furnace lid subassembly 4, the sealing flange 402 that the sealing flange that sets up between usable furnace lid body 401 and the transfer furnace body 3 improves and be connected with the transfer furnace body 3 on the cooperation of a plurality of buckling pieces 403 on the furnace lid subassembly 4. The furnace cover opening and closing mechanism 9 comprises an inclined component and an extrapolation structure, the extrapolation structure is arranged on the inclined component, the extrapolation structure is connected with the furnace cover component 4, the convenience of opening and closing the furnace cover component 4 can be improved, a pull rope 404 is further fixed in the furnace cover body 401, when raw materials need to be repeatedly added into the material carrying crucible 7, the pull rope 404 is connected with the material carrying crucible 7, the whole material carrying crucible 7 is continuously pulled to move outwards and to the outer side of the transfer furnace body 3, and at the moment, a connecting node is arranged at the joint of the first pull rope 804 and the second pull rope 808 and the sliding seat 805, so that the assembly and the disassembly are convenient, and the convenience of adding raw materials into the material carrying crucible 7 is further improved; the pushing structure comprises a concave support plate 904, the concave support plate 904 is connected to the inclined assembly, a fourth motor 905 is installed at the other end of the concave support plate 904, a screw rod 906 is fixedly arranged at the output end of the fourth motor 905, the other end of the screw rod 906 is rotatably connected in the concave support plate 904, a threaded sleeve 907 is connected to the screw rod 906 in a threaded manner, the bottom of the threaded sleeve 907 is fixedly connected with the furnace cover body 401 through a connecting piece 908, a sliding groove 910 is formed in the bottom of the concave support plate 904, a sliding block 909 is fixedly arranged at the top of the threaded sleeve 907, and the sliding block 909 is slidably connected in the sliding groove 910; the push-out structure can drive a screw rod 906 with a fixed output end to rotate in the concave support plate 904 by using a fourth motor 905 arranged on the concave support plate 904, and a threaded sleeve 907 which is in threaded connection with the screw rod 906 can drive the furnace cover body 401 to approach or depart from a port of the transfer furnace body 3 through a connecting piece 908 connected with the bottom so as to realize closing and opening of the furnace cover assembly 4; the tilting assembly comprises a base 901, the base 901 is fixed on the top of the transfer furnace body 3, two convex plates 902 are fixed on the top of the base 901, a connecting shaft 903 is connected between the two convex plates 902 through a hinge shaft in a rotating way, the other end of the connecting shaft 903 is fixed with a concave support plate 904, 912 is arranged between the base 901 and the concave support plate 904 and is arranged on the base 901 through 911, the extending end of 912 is connected with the concave support plate 904 through another 911, the tilting assembly can drive the whole pushing structure to rotate upwards between the two convex plates 902 through the hinge shaft on the connecting shaft 903 in cooperation with the hinge shaft on the connecting shaft 903 by utilizing the extension of 912 when the pushing structure pushes the whole furnace cover assembly 4 to be far away from the transfer furnace body 3, so that the connected furnace cover body 401 is tilted, and more sufficient space is provided for feeding in the loading crucible 7;

the connecting disc 201 and the expansion disc 202 in the heat insulation assembly 2 form a fan-like disc, the diameter of the heat insulation disc 208 is larger than that of the connecting cavity 203, the blocking effect of the heat insulation disc 208 in heat blocking can be improved, the distance between the first through shaft 207 and the edge of the fan-like disc is larger than that of the heat insulation disc 208, the whole heat insulation disc 208 can be turned into the inner groove 204 in the expansion disc 202, shielding is avoided, and the heat insulation disc 208 is filled with heat insulation materials; the motor caulking groove 301 has been seted up on the surface of transfer furnace body 3, first motor 206 inlays and locates in the motor caulking groove 301, the sealed axle sleeve of shaft hole 205 and all installing between first perforating shaft 207 and winding shaft 802 and the external hole 811 can improve the inside sealed effect of whole heating sublimation equipment, and the heat preservation that transmission channel 5's surface cover was established can avoid gaseous silica because transmission channel 5's low temperature condensation when passing through transmission channel 5, all be provided with detection device in heating furnace body 1, transfer furnace body 3 and the collection device 6, detection device comprises temperature sensor and pressure sensor, wherein temperature sensor and pressure sensor are used for detecting heating furnace body 1, transfer furnace body 3 and the interior temperature and the vacuum condition of collection device 6, cooperation evacuation equipment and heating system change further, improve the preparation efficiency of silica.

The working principle and the using flow of the invention are as follows: when the invention is used, firstly, the whole carrying crucible 7 can be driven to move outwards by the traction mechanism 8, raw materials are added into the carrying crucible 7, after the raw materials in the carrying crucible 7 are added, the carrying crucible 7 slides into the heating furnace body 1 by the traction of the traction mechanism 8, then the whole furnace cover assembly 4 is tightly attached to the transfer furnace body 3 by the furnace cover opening and closing mechanism 9 and is matched with a plurality of buckling pieces 403 to seal, at the moment, the external vacuumizing equipment is connected with the vacuumizing interface 101, vacuumizing operation is carried out in the whole equipment, the heating system is utilized, the heating furnace body 1, the transfer furnace body 3 and the collecting device 6 are heated rapidly, after the high temperature sublimation adjustment of the raw materials in the carrying crucible 7 is achieved, the raw materials sublimate into gaseous silicon oxide, and the gaseous silicon oxide is transmitted into the collecting device 6 in a low temperature and low pressure area, the collecting device 6 can uniformly scrape off the condensed silicon oxide, after sublimation of all raw materials in the material carrying crucible 7 is completed, the heating furnace body 1 is subjected to heat preservation treatment, a heating system in the transfer furnace body 3 is closed, then the whole empty material carrying crucible 7 is pulled to move into the transfer furnace body 3 by using the traction mechanism 8, after sliding is completed, the heat insulation assembly 2 is used for driving the heat insulation disc 208 to insulate the heating furnace body 1 from the transfer furnace body 3, excessive heat loss in the heating furnace body 1 is avoided, at the moment, the whole furnace cover assembly 4 is opened by using the furnace cover opening and closing mechanism 9, a round of raw materials is added into the material carrying crucible 7 in the transfer furnace body 3 again, after charging is completed, the furnace cover assembly 4 is closed, at the moment, the rapid temperature rise and the temperature difference between the reduction of the interior of the transfer furnace body 3 and the interior of the heating furnace body 1 are performed by using the heating system, then make in heating furnace body 1 and the transfer furnace body 3 generally with the thermal-insulated subassembly 2 to drive carrying crucible 7 through traction mechanism 8 and slide in to heating furnace body 1, heating system carries out the rapid heating to heating furnace body 1, transfer furnace body 3 and collection device 6 simultaneously and cooperates evacuating equipment to carry out the evacuation processing in heating furnace body 1, transfer furnace body 3 and the collection device 6, sublimates the raw materials in carrying crucible 7 again, and carries to collection device 6, with this circulation, shortened the time of repeatedly rising the temperature in the heating furnace body 1 greatly, improve the production efficiency to the silica.

Finally, it should be noted that: the above is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that the present invention is described in detail with reference to the foregoing embodiments, and modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. The utility model provides a preparation silica's equipment, includes heating furnace body (1), transfer furnace body (3), bell subassembly (4) and collection device (6), all be provided with heating system in heating furnace body (1), transfer furnace body (3) and collection device (6), heating furnace body (1) are connected its characterized in that with outside evacuation equipment through evacuation interface (101): a heat insulation assembly (2) is connected between the heating furnace body (1) and the transfer furnace body (3), the other end of the transfer furnace body (3) is connected with a furnace cover assembly (4) through a furnace cover opening and closing mechanism (9), and a material carrying crucible (7) is connected in the transfer furnace body (3) through a traction mechanism (8);

the traction mechanism (8) comprises a winding assembly, a first traction rope (804), a second traction rope (808) and a sliding assembly, the winding assembly comprises a third motor (801), the third motor (801) is installed on the transfer furnace body (3), an output end of the third motor (801) penetrates through an external connection hole (811) formed in the transfer furnace body (3) and is fixed with a winding shaft (802), the winding shaft (802) is isolated into two winding spaces by three limiting plates (803), the two winding spaces are respectively wound with the first traction rope (804) and the second traction rope (808), the sliding assembly is composed of a first sliding rail (806) and a second sliding rail (807), the first sliding rail (806) and the second sliding rail (807) are respectively arranged in the transfer furnace body (3) and the heating furnace body (1), a sliding rail fracture groove (813) matched with the heat insulation assembly (2) is formed between the first sliding rail (806) and the second sliding rail (807), the bottom of the material carrying crucible (7) is fixedly connected with the first sliding rail (805) and the second sliding rail (805) through the second sliding rail (805) and is fixedly perforated with the second sliding rail (805) in the first sliding rail (805) and the second sliding rail (805), the other end of the second traction rope (808) penetrates through the second perforation (810), the transfer furnace body (3), the heat insulation assembly (2) and the rope penetrating hole (812) in the heating furnace body (1) respectively and is fixed with the other end of the sliding seat (805);

the heat insulation assembly (2) comprises a connecting disc (201), an expansion disc (202) and an opening and closing structure arranged in the connecting disc (201) and the expansion disc (202), the connecting disc (201) is fixed between a heating furnace body (1) and a transfer furnace body (3), a cavity (203) matched with the cavity of the heating furnace body (1) and the cavity of the transfer furnace body (3) is formed in the connecting disc (201), the connecting disc (201) is fixed with the expansion disc (202), an inner groove (204) is formed in the connecting disc (201) and the expansion disc (202), the opening and closing structure comprises a first motor (206), the first motor (206) is arranged on the outer side of the heat insulation assembly (2), the output end of the first motor (206) penetrates through a shaft hole (205) formed in the connecting disc (201) and is fixed with a first penetrating shaft (207), the surface of the first penetrating shaft (207) is fixed with a heat insulation disc (208), and sealing rings are arranged between the two sides of the heat insulation disc (208) and the cavity (203).

2. The apparatus for producing silicon oxide according to claim 1, wherein: the collecting device (6) comprises a collecting furnace (601), a top cover (605) and a scraping structure and a collecting structure which are arranged at the bottom of the top cover (605), wherein the collecting furnace (601) is connected above the heating furnace body (1) through a transmission channel (5), and the top of the collecting furnace (601) is connected with the top cover (605) through a lifting assembly;

the scraping structure comprises a second motor (606), the second motor (606) is arranged at the top of the top cover (605), the output end of the second motor (606) penetrates through the top cover (605) and is fixed with a second penetrating shaft (607), the lower end of the second penetrating shaft (607) is fixed with a cold matrix (608), and the bottom of the top cover (605) is also fixed with a scraping plate (609) contacted with the surface of the cold matrix (608);

the collecting structure comprises a tray (612), a magnetic ring (611) is fixed at the bottom of the top cover (605) through a plurality of lower connecting plates (610), the top of the tray (612) is adsorbed at the bottom of the magnetic ring (611) through another magnetic ring (611), an aggregation cover (613) is fixed in the tray (612), ventilation holes (614) are formed in the aggregation cover (613), the ventilation holes (614) are located below the cold matrix (608), and the bottom of the aggregation cover (613) is communicated with an outlet of the transmission channel (5).

3. The apparatus for producing silicon oxide according to claim 2, wherein: the lifting structure comprises an L-shaped fixing plate (602), one end of the L-shaped fixing plate (602) is fixed at the bottom of a collecting furnace (601), an L-shaped inserting plate (603) is movably inserted into the L-shaped fixing plate (602), the other end of the L-shaped inserting plate (603) is fixed with a top cover (605), a first hydraulic cylinder (604) is arranged in the L-shaped fixing plate (602), the extending end of the first hydraulic cylinder (604) is fixed with the bottom of the L-shaped inserting plate (603), and a matched limiting plate is fixed between the L-shaped inserting plate (603) and the L-shaped fixing plate (602).

4. An apparatus for producing silicon oxide according to claim 3, wherein: the furnace cover assembly (4) is composed of a furnace cover body (401), the furnace cover body (401) is connected to a port of the transfer furnace body (3), sealing flanges (402) are arranged on one side, close to the transfer furnace body (3), of the furnace cover body (401), and a plurality of buckling pieces (403) which are distributed circumferentially and matched with the transfer furnace body (3) are arranged on the furnace cover body (401).

5. The apparatus for producing silicon oxide according to claim 4, wherein: the furnace cover opening and closing mechanism (9) comprises an inclined assembly and an extrapolation structure, and the extrapolation structure is arranged on the inclined assembly;

the pushing structure comprises a concave support plate (904), the concave support plate (904) is connected to the inclined assembly, a fourth motor (905) is installed at the other end of the concave support plate (904), a screw rod (906) penetrates through the concave support plate (904) and is fixed at the output end of the fourth motor (905), the other end of the screw rod (906) is rotationally connected in the concave support plate (904), a threaded sleeve (907) is connected to the screw rod (906) in a threaded manner, the bottom of the threaded sleeve (907) is fixed with a furnace cover body (401) through a connecting piece (908), a sliding groove (910) is formed in the bottom of the concave support plate (904), a sliding block (909) is fixed at the top of the threaded sleeve (907), and the sliding block (909) is slidingly connected in the sliding groove (910);

the tilting assembly comprises a base (901), the base (901) is fixed at the top of a transfer furnace body (3), two convex plates (902) are fixed at the top of the base (901), a connecting shaft (903) is connected between the two convex plates (902) through hinge rotation, the other end of the connecting shaft (903) is fixed with a concave support plate (904), a 912 is arranged between the base (901) and the concave support plate (904), the 912 is installed on the base (901) through a 911, and the extension end of the 912 is connected to the concave support plate (904) through another 911.

6. The apparatus for producing silicon oxide according to claim 5, wherein: the heat insulation assembly (2) is characterized in that a fan-like disc is formed by the connecting disc (201) and the expanding disc (202), the diameter of the heat insulation disc (208) is larger than that of the connecting cavity (203), the distances between the first through shaft (207) and the edge of the fan-like disc are larger than that of the heat insulation disc (208), and the heat insulation disc (208) is filled with heat insulation materials.

7. The apparatus for producing silicon oxide according to claim 6, wherein: the surface of the transfer furnace body (3) is provided with a motor caulking groove (301), the first motor (206) is embedded in the motor caulking groove (301), and a sealing shaft sleeve is arranged between the shaft hole (205) and the first through shaft (207) and between the winding shaft (802) and the external hole (811).

8. The apparatus for producing silicon oxide according to claim 7, wherein: the surface cover of transmission channel (5) is equipped with the heat preservation, all be provided with detection device in heating furnace body (1), transfer furnace body (3) and collection device (6), detection device comprises temperature sensor and pressure sensor, still be provided with the flange connection pad between top cap (605) and collection furnace (601) in collection device (6).

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