169 results about "Liquid silicon" patented technology

The invention relates to the technical field of silica gel injection molding temperature control, in particular to a temperature control system and process for liquid injection molding of a silica gel toy. The process comprises the following steps: S1, according to three-dimensional model data of a silica gel toy, automatically identifying geometric feature information of the silica gel toy; s2, setting initial temperature parameters of each injection molding stage on the basis of the geometrical characteristic information in combination with physical characteristics of the liquid silica gel; s3, in the injection period, based on the initial temperature parameters, micro-heating / mold temperature maintaining / micro-cooling is conducted on different areas of the silica gel toy; s4, in the pressure maintaining period, when the liquid silica gel is filled to the preset filling proportion, the mold temperature of the multicolor injection molding material flow interface area is reduced to the freezing temperature; s5, in the main vulcanization period, a self-adaptive temperature adjustment strategy is executed on the thick-wall area and the thin-wall area; and S6, in the cooling and demolding period, a corresponding rapid cooling strategy / slow cooling strategy is executed on the thick-wall area and the thin-wall area. The size stability and the assembly precision of the complex thin-wall silica gel component are remarkably improved.

The utility model provides a luminous organic silicon pad which comprises an organic silica gel layer, a base material layer and an anti-skid layer which are sequentially arranged from top to bottom, and the organic silica gel layer is formed by adding a luminous material into liquid silica gel. According to the utility model, the surface layer of the luminous organic silicon pad is made of the organic silica gel, so that the antifouling, hydrophobic, anti-skid and scratch-resistant properties of the luminous organic silicon pad can be improved, and the prepared organic silica gel layer can have the luminous property by adding the luminous material into the liquid silica gel, so that the luminous effect of the luminous organic silicon pad is improved. According to the invention, the discrimination of a user in a dark environment can be improved, and meanwhile, the use interestingness of the user can be improved.

The utility model provides a liquid silica gel forming device, and belongs to the technical field of silica gel forming equipment. The problem that the production efficiency is affected due to the fact that silica gel in a runner is blocked by high temperature when existing liquid silica gel is formed is solved. The liquid silica gel forming device comprises a frame body, a gel storage tank, a mold and a heating table used for heating the mold, the mold comprises an upper mold body and a lower mold body, the upper mold body and the lower mold body are assembled to form a cavity, and a runner communicated with the cavity is formed in the upper mold body; the mold further comprises a lifting mechanism, the lifting mechanism is used for driving the heating table to lift up and down, the glue storage tank is located above the upper mold and used for injecting glue into the cavity through the runner under normal pressure, the lower mold is located below the upper mold and located on the heating table, and a heat insulation structure used for conducting heat insulation on the runner is arranged in the upper mold. The glue injection structure is simple, the cost is lower, the runner is prevented from being blocked during molding, the production operation is simple, and the efficiency is higher.

The invention relates to the technical field of heat insulation and preservation plates, and discloses an aerogel heat preservation composite plate which comprises a first glass fiber gridding cloth layer, an aerogel felt layer and a second glass fiber gridding cloth layer which are sequentially arranged in a stacked mode. The first glass fiber gridding cloth layer, the aerogel felt layer and the second glass fiber gridding cloth layer are sewn and connected through sewing threads, and a preparation method of the aerogel felt layer comprises the steps that firstly, cerium oxide is modified and grafted with a silane coupling agent, then graphene oxide and the silane coupling agent modified cerium oxide are dispersed with water, and the aerogel felt layer is obtained. Adding a liquid silicon compound into the mixture, adding a base catalyst to obtain sol, adsorbing the sol by using a porous reinforcing material, and then aging and drying to obtain the composite material. The aerogel insulation board is high in tensile strength and good in insulation effect.

The invention relates to the technical field of gluing pumps, and discloses a liquid silica gel injection machine and a using method, the injection machine comprises a base, a lifting rod, a hydraulic rod, a pressure plate, a connecting pipe, a three-way valve, a stirring part, a cleaning and scraping part and a squeezing and spraying part. A stirring part downwards pushes a trigger switch through a T-shaped ring, an electric rod is automatically started to push a motor and a glue stirring piece to extend into a glue barrel, a stirring plate and a glue disc rotate to stir liquid silica gel, and layering and local curing are prevented; the cleaning and scraping part is quickly inserted into a supporting rod through an inserting rod, a T-shaped ring is rotated to drive a rotating sleeve to rotate with a flange as the circle center, and a cotton brush and a scraping plate rotationally clean a pressing disc and the flange; and the extrusion spraying part extrudes the corrugated bag to enable the sol agent to be sprayed to a cleaning surface through the guide channel and the liquid channel, and cooperates with mechanical scraping for cooperative cleaning. The cleaning efficiency is improved, the residual silica gel rate is reduced, the equipment maintenance time is shortened, and the injection quality and the production efficiency are remarkably improved.

The application discloses a composite patch for promoting hair growth, a hair growth cap and a preparation method. The composite patch for promoting hair growth comprises the following raw materials in parts by weight: medical grade liquid silicone 40-60 parts, gelatin 20-35 parts, silane coupling agent 1-2 parts, far infrared ceramic powder 1-2 parts, tourmaline powder 1-2 parts, chisel stone powder 0.5-1.5 parts and neodymium-iron-boron magnetic powder 4-6 parts. The composite patch for promoting hair growth is prepared by selecting the raw materials, so that the composite patch has the functions of radiating far infrared, generating a micro electric field and a magnetic field and having weak negative electric characteristics at the interface to improve the directional migration of calcium ions, thereby achieving the purposes of improving the micro environment of hair follicles and promoting hair growth.

The invention relates to the technical field of liquid silica gel forming, and discloses a liquid color silica gel forming process and clothing application, and the liquid color silica gel forming process comprises the following steps: step 1, base material pretreatment: selecting a flexible base material, cutting according to the size of a formed part, removing corner burrs, and sequentially carrying out ultrasonic cleaning, hot air drying and plasma activation; 2, according to the forming color requirement corresponding to the qualified flexible substrate obtained in the step 1, color paste preparation and dispersion are carried out, a bi-component addition type liquid silica gel matrix and special color paste are taken according to the mass ratio of 100: 8, 0.8% of surface modified nano-silica dispersion media are added, a dynamic shearing-ultrasonic two-stage dispersion technology is adopted for treatment, and the flexible substrate is obtained. According to the liquid color silica gel forming process, a two-stage dispersion process is adopted, a special dispersion medium is matched, uniform dispersion of color paste is achieved, and the liquid color silica gel forming process has the core advantages of being stable in color, washable and free of fading, good in silica gel fluidity after dispersion and suitable for scenes with high color requirements such as garment decoration.

The application relates to the technical field of injection molding, and discloses an injection-molding-based built-in structural part type forming die and a forming method. The injection-molding-based built-in structural part type forming die comprises a lower die and an upper die, a cavity, a first runner and a plurality of fan-shaped communication openings are formed between the lower die and the upper die, and the first runner is arranged on the outer side of the cavity. Through the arrangement of the first runner and the fan-shaped communication openings, liquid silicone can be uniformly flowed into the cavity, the silicone can be uniformly coated around the structural part, and the problems of insufficient local filling or excessive thickness can be avoided. The step-by-step preforming and low-pressure filling process is adopted, the upper half shell and the lower half shell are preformed as rigid barriers, the damage risk of high-pressure silicone solidification to the precise structural part is completely eliminated, the product performance and the yield are improved, the size precision and the functional integrity of the structural part are guaranteed, the yield and the reliability are remarkably improved, and the method can be applied to high-precision and high-value structural parts.

The invention belongs to the technical field of lithium batteries, and relates to a preparation method of a double-coated silicon-carbon composite material, an electrode and a lithium battery, the method comprises the following steps: soaking a lithium dopant and an MOF material in a first organic solvent, adding a template agent and a catalyst, reacting, filtering, and freeze-drying to obtain a gel complex; in an inert atmosphere, heating the gel complex to a first preset temperature, introducing carbon dioxide according to a preset flow rate, cooling, adding into mixed acid, soaking, pickling, and drying in vacuum to obtain a porous carbon composite material; adding liquid silane, a phosphorane derivative, a dispersing agent, the porous carbon composite material and a silane coupling agent into a second organic solvent, performing spray drying, and performing primary carbonization to obtain a silicon-carbon precursor material; dissolving the resin in a third organic solvent, adding an ionic conductor and a silicon-carbon precursor material, carrying out secondary carbonization, cooling to a second preset temperature, and introducing a reducing gas to obtain a double-coated silicon-carbon composite material; the conductivity is improved, the interface stability is improved, and the full-charge expansion is reduced.

The utility model relates to the technical field of molds, and particularly discloses a liquid silicone mold of a semi-coated conductive integrated circuit. Wherein the front mold assembly comprises a front mold core; the rear mold assembly comprises a rear mold core, a mold core insert arranged on the rear mold core and an ejection assembly connected with the mold core insert; the first forming structure is used for forming the silica gel tooth socket part; and the second forming structure is used for wrapping a control circuit board, the second forming structure comprises a first fixing part arranged on the rear mold core and a second fixing part arranged on the front mold core, and the first fixing part and the second fixing part can be matched to fix the control circuit board. The control circuit board is good in fixing effect and good in forming effect.

The utility model relates to the field of storage devices, in particular to a liquid silicon fertilizer storage device which is used for solving the technical problems that in the prior art, heating equipment is used for keeping the temperature of a storage environment, power consumption is too large, and potential safety hazards exist when electric appliances are used. The water tank is provided with a water inlet pipe and a water outlet pipe, the water inlet pipe is located at the top of the heat preservation cover, the water outlet pipe is located on the outer side wall of the heat preservation cover, the bottom of the water tank is not horizontal, the water outlet pipe is located at the bottom of the water tank, two clamping grooves are formed in the tray and are in an inverted L shape, and two clamping blocks are arranged at the bottom of the heat preservation cover. The clamping block can be connected with the clamping groove, and the heat preservation cover is provided with a heat preservation door clamping groove.

The utility model relates to a liquid silica gel O-shaped ring mold, and relates to the field of silica gel piece production molds, the liquid silica gel O-shaped ring mold comprises an upper mold plate and a lower mold plate, the upper mold plate is provided with a first containing groove, the lower mold plate is provided with a second containing groove, the first containing groove and the second containing groove are jointly spliced to form a space for silica gel forming, and the upper mold plate is provided with a gel injection hole; the second containing groove comprises a connecting groove, a guide groove and a plurality of forming grooves, one end of the connecting groove is communicated with the glue injection hole, the other end of the connecting groove is communicated with the forming grooves, the two ends of the guide groove are communicated with the two forming grooves respectively, glue hiding grooves are formed in the positions, in and out of the liquid silica gel, of the forming grooves, the cross section of each glue hiding groove is triangular, and the glue hiding grooves are communicated with the forming grooves. The O-shaped ring forming device has the effect of improving the forming quality of the O-shaped ring.

This invention discloses a highly flexible fire-resistant electrical cable and its preparation method, relating to the field of electrical cable technology. It includes a conductor layer and, sequentially wrapped around the conductor layer, an insulation layer, a fire-resistant layer, and a sheath layer. The fire-resistant layer is composed of a polymer matrix and phase change microcapsules and ceramicized fillers dispersed within it. Upon heating, the phase change microcapsules undergo phase change and absorb heat before the ceramicized fillers. The phase change microcapsules possess a dual phase change platform. This invention constructs an integrally elastically deformable composite structure through the synergy of a liquid silicone rubber matrix, thin-layer insulation, and flexible fillers. The phase change microcapsules efficiently absorb heat first, significantly delaying internal temperature rise; as the temperature increases, the ceramicized system forms a robust insulation layer, providing long-lasting fire resistance integrity, thus solving the problem in existing electrical cables of simultaneously achieving dynamic bending life and high-level fire resistance integrity.

To provide a production method for silicon granules that are brought about by reusing waste generated when cutting silicon ingots and are particularly suitable for preparing trichlorosilane.SOLUTION: The production method comprises: a) a step of supplying silicon waste derived from substrates, wherein the waste comprises silicon particles covered with an insulating or metal surface layer; b) a step of chemically treating the silicon waste to remove the insulating or metal surface layer and drying the silicon particles to form a powder; c) a step of metallurgically treating the powder to melt the silicon particles and form a liquid silicon bath; d) a step of introducing at least one co-catalyst into the liquid silicon bath; and e) a step of solidifying the liquid silicon to form silicon granules, wherein the silicon granules comprise a size of 10 to 500 μm, a dopant comprising phosphorus or boron each having a mass fraction of less than 5 ppm, a co-catalyst having a mass fraction of 1 to 2500 ppm, and metal impurities excluding the co-catalyst and having a mass fraction of less than 50 ppm.SELECTED DRAWING: None

The application discloses a renewable energy magnesium smelting system and method, and relates to the field of smelting magnesium metal; the system comprises a magnesium reduction furnace arranged vertically; a graphite cylinder is arranged in the magnesium reduction furnace; graphite pipes are connected to the two ends of the graphite cylinder; the graphite pipes are communicated with a silicon-thermal heat storage system after passing through heat exchangers; molten liquid silicon is arranged in the silicon-thermal heat storage system; the silicon-thermal heat storage system is connected with a wind power generation system, a photovoltaic power generation system and an iron-air battery energy storage system through an intelligent comprehensive power supply coordination control system; the magnesium reduction furnace is used for placing magnesium-containing pellets; a crystallizer is fixedly arranged above the magnesium reduction furnace; a water cooling device is arranged on the crystallizer; and a vacuum pump is communicated with the top of the crystallizer. The magnesium smelting method based on the system directly uses renewable energy, uses magnesium oxide as raw material, and avoids environmental pollution; and the vertically arranged magnesium reduction furnace improves the deslagging efficiency.

The utility model relates to the technical field of trademarks, in particular to a liquid silica gel apparel trademark which comprises a limiting frame, a film covering layer, a connecting block, a liquid silica gel layer and a light reflecting layer, a first hot melt adhesive layer is arranged on the bottom face of the limiting frame, the film covering layer is arranged on the top face of the limiting frame to cover the limiting frame, and the top end of the connecting block is connected with the film covering layer. A second hot melt adhesive layer is arranged on the bottom face of each connecting block, the multiple connecting blocks are regularly distributed below the film covering layer and surrounded by the limiting frame, the liquid silica gel layer is arranged on the top face of the film covering layer and connected with the film covering layer, and the light reflecting layer is arranged on the top face of the liquid silica gel layer and connected with the liquid silica gel layer. The limiting frames and the connecting blocks are bonded and fixed to the surface of the clothes under the action of the hot melt adhesive, the connecting blocks are arranged at intervals and are not completely bonded to the surface of the clothes, the liquid silica gel layer can drive the reflective layer to synchronously distort and deform when the clothes are stretched and deformed or under the action of external force, the reflection angle of light is changed, and the visual effect of the trademark can be improved; the practical significance and the popularization value are realized.

The utility model belongs to the technical field of cells, and discloses a laminated perovskite solar cell, the laminated perovskite solar cell comprises two protection members, a solar cell string, liquid silica gel and a waterproof member, the two protection members are arranged at an interval, the solar cell string is installed between the two protection members, and the waterproof member is arranged between the two protection members. The liquid silica gel is coated on the surfaces of the protection pieces facing the solar cell string, the protection pieces can be adhered to the solar cell string after the liquid silica gel is cured, and the waterproof piece is clamped between the two protection pieces and surrounds the solar cell string or is included on the outer sides of the protection pieces. According to the laminated perovskite solar cell, the delamination phenomenon caused by the fact that the interface bonding strength between the electron transport layer on the upper layer of the laminated perovskite solar cell and the core perovskite layer is smaller than the stress of an adhesive film is effectively solved; and in the lamination process of the solar cell module, the lamination temperature can be reduced to weaken the high-temperature damage to the laminated perovskite cell.

The invention relates to the technical field of planetary stirrers, in particular to a liquid silicone rubber efficient dispersion planetary stirrer which comprises a storage mechanism. The stirring mechanism is mounted on the storage mechanism and is used for stirring the liquid silicone rubber; the cleaning mechanism is mounted on the storage mechanism and the stirring mechanism and is used for cleaning the stirring mechanism and the cleaning mechanism; the pressure regulating mechanism is mounted on the storage mechanism and is used for regulating the pressure in the stirring mechanism; the liquid silicone rubber is stirred and mixed through the stirring mechanism, meanwhile, the pressure in the storage mechanism is adjusted to negative pressure through the pressure adjusting mechanism, air in the liquid silicone rubber is discharged, and after the liquid silicone rubber is mixed with other ingredients, the storage mechanism is pressurized, so that the liquid silicone rubber discharging efficiency of the storage mechanism is improved; the cleaning mechanism is used for cleaning residues on the inner wall of the storage mechanism, and then the cleaning mechanism is used for cleaning residues on the stirring mechanism, so that the practicability of the equipment is improved.

An apparatus produces a doped Czochralski crystal. The apparatus includes: a pressure vessel; a crucible in the pressure vessel for containing liquid silicon; and a second apparatus for doping the melt. The second apparatus includes: a housing; a reservoir vessel holding a dopant; a conveyor belt conveying the dopant; a third apparatus for shaping a dumped bed on the conveyor belt; and a pipe whose first end is accessible by the dopant from the conveyor belt and whose second end points in a direction of the liquid silicon and is closed off from the liquid silicon. The third apparatus has a half-pipe having a diameter smaller than a width of the conveyor belt, which is closed on one side, the other side being open, and is arranged over the conveyor belt such that the open side points in the direction of conveyance of the dopant.

The utility model relates to the technical field of slag grabbing machines, and discloses a high-efficiency silicon-manganese alloy electric furnace slag grabbing machine which comprises a mounting block and two sets of grabbing hands, rotating grooves are symmetrically formed in the middles of the bottom ends of the two sides of the mounting block, and driving rods are horizontally welded to the top ends of the grabbing hands. And the middle part of the bottom side of the mounting block is vertically and rotatably connected with a screw rod through a bearing. According to the slag grabbing device, the servo motor is controlled to work, the lead screw can be driven to rotate, the two sets of first racks can be pushed to move downwards through the sliding plate, the driving rod can be driven to rotate through the second rack, and therefore the two sets of grabbing hands are driven to rotate relatively, and slag grabbing is achieved; the sliding plate stops moving, the servo motor continuously works and can drive the stirring rod at the bottom end of the lead screw to rotate, so that the slag on the inner sides of the two groups of grippers is stirred, residual liquid silicon-manganese alloy on the surface of the slag can be discharged through the liquid discharging hole, and resources are saved.

The utility model relates to the field of industrial silicon production, in particular to an industrial silicon pouring ingot mould. The pouring ingot mold is a container used for bearing liquid silicon and is characterized in that a bottom cavity (2) made of the same material as a pouring ingot mold body is arranged at the bottom of the pouring ingot mold (1), and the bottom cavity (2) comprises a water inlet pipe (3) and a water outlet pipe; the water inlet pipe (3) is connected with a hose which is connected with a water pump; the water outlet pipe is connected with a hot water container through a hose. The cooling device has the advantages that the defects that in the prior art, the cooling speed is very low, surrounding workers feel uncomfortable due to dry and hot energy, and the working efficiency is affected due to gradual cooling to a certain degree are overcome. The bottom cavity (2) is creatively utilized, large-dose water flushing can be achieved at the same time, the cooling speed is high, and meanwhile a large amount of heat is not wasted in surrounding air but becomes water useful for factories. Rapid cooling can be achieved, and working efficiency is improved.

The invention discloses a workpiece machining method and system based on liquid rubber coating integrated forming, and belongs to the technical field of precision manufacturing. Comprising the following steps: constructing a chemical anchor layer with an active functional group; putting the pretreated material as an insert into a mold system, and injecting liquid silicone rubber; in the vulcanization process, the vulcanization reaction rate of the surface of the material is controlled to be lower than that of the central area of the cavity, so that the vulcanization conversion rate of the surface lags behind the central area, and active functional groups in the liquid silicone rubber are diffused to a chemical anchor point layer and covalent crosslinking occurs in the lagging period to form a cross-interface chemical bonding network; and finally cooling and demolding. The chemical anchor point layer is constructed on the surface of the material, and the interface hysteresis reaction in the vulcanization process is controlled, so that the covalent bonding of the liquid silicone rubber and the heterogeneous material on the molecular level is realized, the interface stress mismatch caused by physical assembly is eliminated, the interface bonding strength and the sealing reliability are remarkably improved, and the production process is simplified.

The invention relates to the technical field of composite material preparation, in particular to a liquid silica gel composite material filled with hydroxyapatite nanowires and a preparation method of the liquid silica gel composite material. Calcium ions and hydrogen phosphate ions are added into a mixed solution of ethanol and oleic acid, and the one-dimensional hydroxyapatite nanowire with a hydrophobic surface is hydrothermally synthesized in an alkaline environment through a one-step method. Wherein oleic acid is used as a surface modifier to endow the material with a hydrophobic property, and nucleation and growth of hydroxyapatite nanowire crystals are adjusted by simply regulating and controlling the volume ratio of ethanol to water, so that the size of the hydroxyapatite nanowire is highly controllable from 8 microns to 50 microns. According to the invention, the biocompatibility and implantation stability of the liquid silica gel are improved. Besides, based on the enhancement effect of nanowires with different sizes on the mechanical property of the composite material, the adaptation range and the application field of the composite material are expected to be expanded, so that the requirement of the current medical material for precise and personalized development is met.

The smelting dedusting silicon powder remelting recycling device comprises a stirring part, a feeding part, a material pressing part and a block throwing roller way, the stirring part is connected with a feeding port of the feeding part, a discharging port of the feeding part is connected with an upper inlet of the material pressing part, and a discharging port of the material pressing part is connected with a lower inlet of the block throwing roller way. A bottom outlet of the pressing part is arranged above one end of the block feeding roller way, and the other end of the block feeding roller way is positioned above a liquid silicon runner between a smelting furnace and a casting ladle; the dedusting silicon powder collected by the cloth bag dedusting system is pressed into blocks and then fed, so that the density and the strength of the pressed blocks can be ensured to effectively submerge into liquid silicon in a launder, and the pressed blocks are ensured to be in full contact with silicon liquid, so that the silicon element of the dedusting silicon powder can be greatly recovered, and the recovery rate of the dedusting silicon powder is improved. And meanwhile, dust pollution caused by direct feeding of silicon powder in the prior art is avoided.

The utility model relates to the technical field of earphone equipment, and discloses an explosion-proof earphone which comprises a charging bin and an earphone body, a placement groove is formed in the charging bin, and the earphone body is placed in the placement groove. According to the explosion-proof earphone, the connecting part serves as an earphone main body structure, functional assemblies such as the microphone rod and the ear hook are integrated, mechanical support can be provided, internal electronic elements can be protected, rigid support can be provided through the zinc alloy outer framework arranged on the connecting part shell, the ear hook shell and the microphone shell, and meanwhile, the liquid silica gel buffer layer can absorb impact; the zinc alloy outer framework, the liquid silica gel buffer layer and the silica gel damping bush act synergistically to resist external impact and vibration and can be suitable for explosion dangerous environments, the low-resistance design of the magnetic type charging interface and the PogoPin spring probe is combined with the strong adsorption force of the N52 neodymium magnet array, rapid charging and stable connection are ensured, wind noise can be reduced through the titanium alloy windshield, and the service life of the battery is prolonged. The earplugs can enhance sound insulation and are suitable for high-noise industrial scenes.

The utility model discloses a vertical liquid silica gel injection molding device, including the bottom plate, is equipped with first support, second support on the bottom plate, and there is first mounting plate, cooling bin, stirring drum on the second support, the first roof lower link electric telescopic link, and its bottom has the rotating shaft containing the spiral beater of support bottom, the second roof bottom is equipped with the injection molding machine, and the clamping anti -infiltration structure that is composed of second mounting plate, semicircle hoop, semicircle sealing ring, still have control device, feeder, conveying pipe, driving motor, gear etc. parts, and the feeder sends raw materials to the stirring drum through the conveying pipe, and the driving motor drives the spiral beater to stir, and the electric telescopic link adjusts the stirring depth, and the cooling bin controls temperature, and the clamping anti -infiltration structure passes through the motor drive semicircle hoop clamping pipeline, and realizes double -layer sealing in combination sealing ring, prevents the leakage, and finally by injection molding machine completes injection molding, and the device realizes raw material stirring homogenization, temperature -controlled precision, conveying sealing reliable, improves injection molding quality and efficiency.

The invention discloses a system and a method for directly and continuously preparing a silicon single crystal rod from polycrystalline silicon, and belongs to the technical field of preparation of semiconductors and photovoltaic materials. The system comprises a reduction furnace, a liquid silicon conveying unit and a single crystal furnace which are sequentially communicated, and atmosphere isolation is guaranteed through pressure control. The method comprises the following steps: carrying out chemical vapor deposition on polycrystalline silicon in a reduction furnace by using a high-temperature-resistant metal electrode; then raising the temperature to melt the polycrystalline silicon into a liquid state in situ and collecting; and the liquid silicon is directly conveyed into the single crystal furnace through the heat tracing pipeline to carry out Czochralski single crystal growth. According to the invention, a plurality of independent discrete procedures of polycrystalline silicon preparation, crushing treatment, secondary melting and single crystal drawing in the traditional process are innovatively integrated in a closed and continuous system, so that all intermediate physical circulation links are omitted, the introduction of impurities is fundamentally avoided, the energy consumption and the production cost are remarkably reduced, the production period is greatly shortened, and the production efficiency is improved. The product purity and the production efficiency are improved.

The invention provides a modified polysiloxane coating and a preparation method thereof, a non-stick layer and a vessel. Wherein the modified polysiloxane coating comprises modified polyaryletherketone and a polysiloxane coating which is dispersed with liquid silicone oil and is in a liquid state, the modified polyaryletherketone is dispersed in the polysiloxane coating and is compounded with at least one part of the liquid silicone oil, and the modified polyaryletherketone is polyaryletherketone resin grafted with a polycondensable group. According to the modified polysiloxane coating provided by the embodiment of the invention, the modified polyaryletherketone can be dispersed in the polysiloxane coating in a chemical activity manner and compounded with the liquid silicone oil due to the polycondensable group, and in the subsequent process of forming the non-stick layer through the modified polysiloxane coating, the non-stick layer can be formed by the polyaryletherketone in a chemical activity manner. And a polycondensation group of the modified polyaryletherketone can be cross-linked with the polysiloxane coating to form a net structure to coat the liquid silicone oil, so that a wear-resistant and corrosion-resistant non-stick layer which is non-stick for a long time can be obtained.