56 results about "All ceramic" patented technology

The utility model relates to the technical field of composite slurry pumps, in particular to a composite ceramic slurry pump head which comprises a front pump shell and a rear pump shell, the interior of the front pump shell is communicated with the interior of the rear pump shell to form an installation cavity, and a ceramic impeller unit is installed in the installation cavity. The two sides of the ceramic impeller unit are matched with positioning grooves in the corresponding positions of the front pump shell and the rear pump shell through positioning bosses in the corresponding positions of the ceramic impeller unit respectively, and a front protection piece and a rear protection piece are installed on the left side and the right side of the ceramic impeller unit respectively. The internal structure of the pump head is a full-ceramic structure, and the pump head is made of a ceramic material with high hardness, high density and high temperature stability, so that the pump head has excellent physical properties such as wear resistance, corrosion resistance, high temperature resistance and impact resistance, is high in durability and long in service life, and can effectively reduce the operation cost of equipment for a long time.

The invention relates to the technical field of mechanical structure state monitoring, in particular to a full-ceramic bearing wear state recognition method, which comprises the following steps of: acquiring a vibration signal of an outer ring of a full-ceramic bearing to be recognized in the operation process of the full-ceramic bearing under a specified working condition; acquiring specified characteristic parameters in the time domain characteristics of the vibration signal according to the vibration signal; according to specified characteristic parameters and a first function formula, obtaining a wear loss predicted value of the to-be-identified full-ceramic bearing; the first function formula is a simulated vibration signal obtained by simulating the full-ceramic bearing through a preset condition Wasserstein generative adversarial network model, a real vibration signal of the full-ceramic bearing obtained through an experiment, and preset category label information; processing to obtain a function formula between the specified characteristic parameters and the abrasion loss of the full-ceramic bearing; the category label information comprises the vibration frequency of the outer ring and / or the inner ring when the full-ceramic bearing breaks down under the specified working condition.

The present application relates to the technical field of electric heating elements, and discloses an all-ceramic heating element, which includes an outer heating layer, an inner insulating layer (3) and an inner heating layer, wherein the inner heating layer, the inner insulating layer (3) and the outer heating layer are sequentially arranged from inside to outside; the outer heating layer is electrically connected to the inner heating layer; and the weight ratio of ceramic materials of an outer resistive layer (4) and an inner resistive layer (2) is: silicon nitride:silicon carbide:aluminum oxide:yttrium oxide:lanthanum oxide:molybdenum disilicide=(500-700):(100-300):(40-80):(50-90):(0-30):(500-800), and the ratios thereof for the outer resistive layer (4) and the inner resistive layer (2) are different. The heating element has integrated heating and temperature-sensing functions, is not affected by an external environment, can realize reliable heating or ignition, and has a reliable service life.

The invention belongs to the technical field of grinding materials and grinding tools, and particularly relates to a ceramic-metal composite grinding block for coarse grinding of microcrystalline glass. The ceramic-metal composite grinding block for coarse grinding of the microcrystalline glass comprises a base body, ceramic diamond segment rows and metal diamond segment rows are alternately arranged in the length direction of the base body, and the grinding area ratio of all ceramic diamond segments to all metal diamond segments is (1-2.5): 1. The ceramic diamond segment is prepared from a ceramic bond, diamond, a pore forming agent, green silicon carbide powder and a wetting agent, and the metal diamond block is prepared from metal powder, graphite powder and diamond. The advantages of the two segments are utilized, the arrangement mode of the two segments, the grinding area proportion and the formula composition of the two segments are regulated and controlled, the combined action enables the composite grinding block to have the service life and the sharpness, the grinding surface of the microcrystalline glass is free of scratches, and the process requirements of the microcrystalline glass can be efficiently met with low cost.

The invention discloses a first circulation 24-month pressurized water reactor core adopting full-ceramic microcapsule packaged fuel assemblies and a loading method thereof, the reactor core is composed of 177 groups of full-ceramic microcapsule packaged fuel assemblies, each assembly is loaded in three areas according to the enrichment degree, the enrichment degrees of the assemblies in the three areas are all controlled within the range of 8%-10%, and the full-ceramic microcapsule packaged fuel assemblies are loaded in the three areas. The assemblies with the highest enrichment degree are placed in the outer area of the reactor core, the number of the assemblies is 72, the number of the burnable poison rods in part of the assemblies is 8, and the number of the burnable poison rods in the other part of the assemblies is 12; 32 groups of assemblies with relatively low enrichment degree are arranged in the middle area of the reactor core, and 12 burnable poison rods are arranged in each assembly; the assemblies with the lowest enrichment degree are arranged in the inner area of the reactor core, the number of the assemblies is 73, and the number of the burnable poison rods in each assembly is 12. According to the invention, the reactor core power is improved by 15% compared with that when rod-shaped fuel is adopted and can reach 3500MW, the first cycle life length reaches 24 months, and the safety and the economical efficiency of the reactor core are obviously improved.

The invention belongs to the technical field of water evaporation power generation, and particularly relates to a three-dimensional full-ceramic composite structure photovoltaic nano power generation device and a preparation method thereof. The device comprises insulating ceramic with nano-pores, one end of the insulating ceramic along the length direction is connected with conductive ceramic with nano-pores, or two ends of the insulating ceramic along the length direction are respectively connected with conductive ceramic with nano-pores; the insulating ceramic and the conductive ceramic are of an integrally formed structure; the insulating ceramic with the nanopores is used for providing voltage, and the conductive ceramic with the nanopores is used for collecting current and taking electricity. The hydrovolt nanometer power generation device is prepared through a co-pressing forming technology, the process is simple, the prepared power generation device is high in mechanical stability, the internal ceramic structure is stable, the stability of the output performance of the device is guaranteed, the future application prospect is wide, and the hydrovolt nanometer power generation device has great significance in accelerating the future development of the hydrovolt power generation field.

This utility model discloses a composite liner for a bauxite ball mill, relating to the field of ball mill technology. It includes an outer connecting ring, with a mounting plate connected to the inner wall of the outer connecting ring. A buffer mechanism is provided between the outer connecting ring and the mounting plate. A modular system is provided on the side of the mounting plate away from the outer connecting ring. The modular system includes multiple ceramic liner plates that adhere to the surface of the mounting plate away from the outer connecting ring. All ceramic liner plates have an arc-shaped structure, and staggered protrusions are provided at both ends of each ceramic liner plate. A fastening mechanism is provided inside the outer connecting ring, the mounting plate, and the ceramic liner plates, and an expansion component is provided at the connection between the fastening mechanism and the ceramic liner plates. This utility model, through a series of structures, forms a multi-layered composite structure, which enhances the overall wear resistance, buffering, and noise reduction performance, facilitates individual replacement of worn areas, and prevents the overall installation from loosening.

The invention provides a porous titanium black ceramic body, a preparation method and application thereof and an electro-catalysis device. The preparation method comprises the following steps: carrying out sintering molding on a mixture of TiOx powder and a metal oxide type ionic crystal or firstly molding and then sintering to prepare a ceramic body containing the TiOx powder and the metal oxide type ionic crystal; carrying out acid pickling on the ceramic body to obtain a porous TiOx ceramic body; in the TiOx powder, x is more than 0 and less than or equal to 1; or carrying out sintering molding on the mixture of the TiO2 powder and the metal Mg, or firstly molding and then sintering to prepare a ceramic body containing the TiOx powder and the magnesium oxide; carrying out acid pickling on the ceramic body to obtain a porous TiOx ceramic body; in the TiOx powder, xlt is greater than or equal to 1; 2. The porous titanium black ceramic body has conductivity close to metal grade, a through porous structure and full-ceramic chemical stability, the preparation method is simple, the cost is low, and industrial production is facilitated.

The invention relates to the technical field of inorganic non-metallic materials, provides a full-ceramic integrated vacuum cup and a laser microstructure heat resistance method thereof, and solves the problem that integrated full-ceramic vacuum sealing and efficient heat preservation cannot be realized due to limitation of materials, structures and processes of existing inorganic non-metallic materials. The cup comprises a cup body and a sealing cover arranged at the top of the cup body, the cup body comprises an annular opening part and an interlayer cup body which are sequentially arranged from top to bottom, the interlayer cup body comprises an inner layer and an outer layer which are arranged at an interval, and a heat insulation cavity is formed between the inner layer and the outer layer; a process hole is formed in the bottom of the interlayer cup body and is communicated with the heat insulation cavity; a heat-resistant layer is arranged on the outer surface of the interlayer cup body, and the heat-resistant layer has the surface appearance from the micron level to the submicron level; the laser microstructure heat-resistant layer with specific roughness is arranged on the outer surface of the interlayer cup body, so that heat loss caused by high heat conductivity of a ceramic material is reduced.

The utility model relates to the technical field of bulletproof plugboards, and discloses a split mounting type bulletproof plugboard which comprises a plugboard frame and a main bulletproof plate assembly, a mounting groove used for mounting the main bulletproof plate assembly is formed in the front side of the plugboard frame, the main bulletproof plate assembly is mounted in the mounting groove in a matched mode, and a cover plate is mounted on the top of the plugboard frame in a matched mode. And the bottom of the cover plate is in compression fit with the main bulletproof plate assembly. According to the main bulletproof plate assembly of the assembled structure, a bulletproof inserting plate is divided into a plurality of bulletproof block units, the situation that the bulletproof plate is impacted, consequently, all ceramic pieces of the bulletproof plate crack, and the bulletproof effect of the bulletproof plate is affected is avoided, bulletproof blocks and assembled battens are clamped and matched through clamping grooves and clamping blocks, the bulletproof blocks are convenient to disassemble and assemble, and the bulletproof effect is improved. And the clamping stability of the bulletproof block is guaranteed through the clamping structure distributed in the cross shape, later replacement and maintenance are facilitated, and the consumption cost of the bulletproof plate is greatly saved.

The utility model discloses a novel modularized hard ceramic fiber plate furnace lining, relates to the technical field of industrial furnaces, and aims to solve the problems that in the prior art, when a full-ceramic fiber furnace lining falls off, a large-area full-fiber module needs to be disassembled, damaged parts are replaced, and the working efficiency is reduced. A movable top cover is arranged at the top of the box-type furnace external steel structure, bolts are arranged in the box-type furnace external steel structure and the movable top cover, ceramic fiber blankets cover the inner surfaces of the box-type furnace external steel structure and the movable top cover, furnace lining modules are arranged on the other faces of the ceramic fiber blankets, the furnace lining modules are hard ceramic fiber blocks, and stainless steel plates are arranged in the furnace lining modules. When a damaged furnace lining module is replaced, only the damaged furnace lining module and one adjacent furnace lining module need to be dismantled together, the damaged furnace lining module and the adjacent furnace lining module can be dismantled and replaced, and the maintenance efficiency is greatly improved.

This invention discloses a dual-function cage structure for ultra-high temperature, high-speed all-ceramic ball bearings, belonging to the field of all-ceramic bearing technology. The cage is made of silicon nitride, silicon carbide, or zirconium oxide and includes a guiding structure and a lubrication and protection structure. The guiding structure is an arc-shaped fitting pocket for high-precision guidance. The lubrication and protection structure consists of an annular lubrication storage cavity, a gradient aperture slow-release channel, and a capillary transport structure connected in sequence to form a synergistic lubrication system, which can suppress high-temperature volatilization, overcome centrifugal oil spillage, provide quantitative slow release, and ensure precise oil supply. This invention achieves dual-function coupling of guidance and lubrication, reducing the friction coefficient by ≥35% and increasing service life by ≥60%. It is suitable for ultra-high temperature, high-speed, and extreme operating conditions in aerospace, high-end equipment, and other fields, and has high engineering application value.

The invention discloses an abradable / environmental barrier composite gradient coating with a self-healing function and a preparation method of the abradable / environmental barrier composite gradient coating, and belongs to the technical field of abradable coatings. The four-layer structural design of the Si bonding bottom layer, the Yb2Si2O7-S environmental barrier middle layer, the Yb2SiO5-S environmental barrier middle layer and the LaMgAl11O19-polybenzoate-A abradable surface layer is adopted, and corrosion protection compactness and abrasion protection porosity are both considered through gradient matching of thermal expansion coefficients of materials of all the layers. The coating adopts a full-ceramic coating design without a solid lubricant, a porous easy-to-wear structure is formed through a polybenzoate pore-forming phase, the strength of the coating is improved in cooperation with high-temperature oxidation repair of a self-healing phase, and durability and abradability are balanced. And a differentiated self-healing matching strategy is utilized to ensure that the materials have good chemical compatibility. The preparation process is simple and convenient, has the advantages of low cost and easiness in industrial production, and is suitable for large-scale batch production.

The heat preservation device comprises a first supporting frame, a second supporting frame and a heat preservation shell, a door plate is arranged on the heat preservation shell, and the door plate is used for taking and placing the sintered ceramic material; a first groove is formed in the surface of the side, facing the second supporting frame, of the first supporting frame, and a rotating disc is rotationally connected into the first groove. According to the device, the gear motor drives the rotating disc to rotate, the rotating disc is hinged to the bearing frame through the second rotating shaft, and the guide block hinged to the other end of the bearing frame slides in the guide groove, so that when the bearing frame rotates around the axis, the opening can be kept upward all the time; meanwhile, when the bearing frame moves around the circumference, the ceramic materials on the bearing frame can be subjected to comprehensive temperature control in the heat preservation shell, the temperature controller is arranged at the axis, heat is dissipated to the periphery when dissipated, and it can be guaranteed that all the ceramic materials can be subjected to synchronous temperature control.

The magnetic driver comprises an outer bearing seat, a machine frame and a bearing seat which are fixedly connected, a transmission shaft penetrates through the bearing seat and the machine frame, a full-ceramic bearing is arranged at the upper end in the bearing seat, a radial magnetic suspension bearing is arranged at the lower end in the bearing seat, a magnetic transmission part is arranged at the upper end of the transmission shaft, and a magnetic bearing is arranged at the lower end of the transmission shaft. The upper end of the bearing seat is provided with an inflow port, the lower end of the bearing seat is provided with an outflow port, the upper end in the bearing seat is provided with a cleaning fluid distributor, the cleaning fluid distributor is communicated with the inflow port, and a runner is arranged in the rack; through the combination of the full-ceramic bearing and the radial magnetic suspension bearing which are arranged inside and the circular arc transition design of the internal flow channel, no dead angle of the flow channel is realized, so that the cleaning and sterilization of the driver are effectively realized, the driver can adapt to special industries needing highly clean and sterile environments, and the service life of the driver is prolonged. And the practicability of the device is improved.

The utility model discloses a full-ceramic shell of a temperature sensor, which comprises a support, a gasket and a temperature sensing cover body, and the support, the gasket and the temperature sensing cover body are all made of ceramic materials. According to the utility model, the support, the gasket and the temperature sensing cover body which are all made of ceramic materials are adopted, so that the insulating performance of the temperature sensor shell is remarkably improved, the influence of electromagnetic interference on temperature sensor elements is effectively avoided, and the measurement accuracy of the sensor is improved; meanwhile, due to the high temperature resistance of the ceramic material, the temperature sensor can work normally in a high-temperature environment, the application range of the temperature sensor is widened, reliable protection is provided for temperature sensor elements, and it is ensured that the temperature sensor can work accurately and stably. The ceramic material can be aluminum oxide ceramic, silicon nitride ceramic and the like, so that different requirements on high temperature resistance, corrosion resistance and insulation can be met.

1. Name of the designed product: all-ceramic metering pump. 2. Use of the designed product: liquid filling element, for filling of liquids. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view 1.

The utility model relates to the technical field of resistors with ceramic shells, in particular to a processing and assembling device for resistors with ceramic shells. According to the technical scheme, the machining and splicing device for the resistor with the ceramic shell comprises a machining table and further comprises a rotary assembling assembly, an assembling assembly and a vibration feeding disc; a rotary assembling assembly is arranged at the upper end of the machining table. Assembling assemblies are arranged on the periphery of the rotary assembling assembly; a vibration feeding disc is arranged on the outer side of the assembling assembly. According to the utility model, the servo motor of the rotary assembling component drives the gear box to drive the turntable to rotate, and is matched with the dynamic adjustment of the clamping cylinder of the assembling component, so that the ceramic shell resistors on all resistor assembling clamps can be assembled independently in the assembling process, and the assembling efficiency is improved.

The utility model particularly relates to an electrostatic chuck with back blowing holes, which comprises a base, and a first dielectric layer, an adsorption electrode layer, a second dielectric layer, a heater layer and a third dielectric layer which are sequentially arranged from top to bottom, and the lower surface of the third dielectric layer is arranged on the upper surface of the base; the first dielectric layer, the second dielectric layer and the third dielectric layer are ceramic dielectric layers; the bottom of the base is provided with an air channel and an air inlet hole communicated with the air channel, the electrostatic chuck is further provided with a plurality of through air holes, the through air holes comprise first hole channels and second hole channels communicated with upper end openings of the first hole channels, and the first hole channels are located above an inner cavity of the air channel and communicated with the inner cavity of the air channel. The second hole channel extends upwards and penetrates through the first dielectric layer, and the aperture of the first hole channel is larger than that of the second hole channel. When the electrostatic chuck is used, the blockage of the helium channel can be reduced, so that the temperatures of the electrostatic chuck and the wafer are more uniform, and later maintenance and cleaning are facilitated.

The utility model discloses a multifunctional automatic brick paving machine based on visual segmentation, and relates to the technical field of brick paving equipment, the multifunctional automatic brick paving machine comprises a brick paving machine main body, the brick paving machine main body is provided with a cement vibration module, a three-axis linkage cutting module, a ceramic tile feeding module, a four-axis linkage adsorption module, a cement paving module, a walking module and a control module; the cement vibration module comprises a cement barrel body and a cement barrel vibration device; the three-axis linkage cutting module comprises a three-axis mechanical arm and a cutting device, and the cutting device is installed on a mobile terminal of the three-axis mechanical arm; the ceramic tile feeding module can drive all ceramic tiles to move upwards. The four-axis linkage adsorption module comprises a four-axis mechanical arm, a tail platform is installed on a mobile terminal of the four-axis mechanical arm, and a visual module and a vacuum suction cup are installed on the tail platform; the cement tiling module is used for tiling cement in the cement barrel body on the ground; the walking module is used for driving the brick paving machine body to move. The ceramic tile cutting device can cut ceramic tiles and then install the ceramic tiles.

The invention provides special calcium carbonate powder for a thermoplastic elastomer and a preparation method of the special calcium carbonate powder, and belongs to the technical field of inorganic materials. The preparation method comprises the following steps: mixing small calcite particles with a dispersing agent and whitening slurry, and carrying out ball milling to obtain primary calcium carbonate; and performing surface modification on the primary calcium carbonate. High-purity small calcite raw ore is used as an initial raw material and is subjected to ball milling through a full-ceramic ball mill, and introduction of impurities such as iron caused by contact of calcium carbonate and ball milling equipment in the ball milling process is avoided; a dispersing agent and whitening slurry are added in the ball milling process, and the prepared calcium carbonate powder has the characteristics of high whiteness, low oil absorption value and high dispersity, is uniform in particle size distribution, has good compatibility with a thermoplastic elastomer (TPE), and is suitable for the field with strict requirements on whiteness and hue stability.

The application discloses a full-ceramic microcapsule packaged fuel assembly first-cycle 18-month pressurized water reactor core and a loading method thereof. The core is composed of 177 full-ceramic microcapsule packaged fuel assemblies. The assemblies are loaded according to the enrichment degree and are divided into three zones. The enrichment degree of the assemblies in the three zones is controlled within the range of 8% to 10%. Each of the assemblies is provided with 12 burnable poison rods. The assembly with the highest enrichment degree is arranged in the outer zone of the core, and there are 72 assemblies with the highest enrichment degree. The assembly with relatively low enrichment degree is arranged in the middle zone of the core, and there are 32 assemblies with relatively low enrichment degree. The assembly with the lowest enrichment degree is arranged in the inner zone of the core, and there are 73 assemblies with the lowest enrichment degree. The application can ensure that the pressurized water reactor core composed of 177 fuel assemblies can improve the core power by 40% compared with the rod-shaped fuel under the premise of not changing the size of the core shape, and the core power can reach 4400MW. The first-cycle service life length reaches 18 months, and the nuclear fuel utilization rate and the economy are obviously improved.

The invention discloses a tool clamp for axially stretching a sample and a working method. Wherein a tensile testing machine upper connecting rod and a tensile testing machine lower connecting rod of the tensile testing machine are both in threaded connection with a stud part of a first adapter; the first pin connecting cylindrical part is connected with the second pin connecting cylindrical part through a first pin; the circular section sample upper connector and the circular section sample lower connector are respectively inserted into the second pin connection cylindrical parts of the ceramic adapters; the second pin connecting cylindrical part of the upper ceramic adapter is connected with the circular section sample upper connector of the circular section sample through one ceramic pin, and the second pin connecting cylindrical part of the lower ceramic adapter is connected with the circular section sample lower connector of the circular section sample through the other first pin. The material of the connecting stress part is a ceramic-based material, so that the device is suitable for the axial tensile test of the material in high-temperature and ultrahigh-temperature environments, and the accuracy of the test result is effectively improved.

A method for improving the power capacity of thick-film integrated radio frequency devices and radio frequency devices, including: providing at least three ceramic substrates; processing a thin metal layer and a conductor layer on the bottom surface of the first ceramic substrate; processing a thickened conductor layer on the top surface; arranging high-power devices and low-power devices on the thickened conductor layer; printing a thin-film dielectric layer on the high-power device using a thin-film process; and processing a conductor layer on the bottom surfaces of the remaining ceramic substrates; processing high-power grounding holes and low-power grounding holes on the corresponding ceramic substrates; processing multiple heat dissipation holes on all ceramic substrates, with the heat dissipation holes distributed around the thin-film dielectric layer; stacking the substrates and providing a heat sink at the bottom; firing and forming the substrates so that the low-power grounding holes are connected to the top surface of the third ceramic substrate for grounding, the large power grounding holes are connected to the top surface of the second ceramic substrate for grounding, and each heat dissipation hole is connected to the heat sink; and filling the heat dissipation holes with copper paste. This method improves the power capacity of radio frequency devices and radio frequency systems while meeting the requirements of a small-size design.

The invention discloses a DRC inspection method for a high-temperature co-fired multilayer ceramic packaging shell ceramic layout CAD file, and the method comprises the steps: printing an amplified single-layer design file with transparent parchment paper, and the single-layer design file comprises a printing graph, a punching graph, a cavity opening graph and a ceramic outer contour; the printed single-layer design files are aligned and stacked according to the porcelain wiring layer design sequence and then bound into a porcelain layout amplification transparent printed piece; performing single-layer design rule check, short circuit check and on-off check according to the ceramic layout amplification transparent printed piece and the ceramic layout electronic edition file, and traversing all ceramic wiring layers; and according to the porcelain layout amplification transparent printed piece and the porcelain layout electronic edition file, adjacent layer design rule checking, short circuit checking and on-off checking are carried out, and all networks are traversed according to the porcelain network list file. According to the method, by manufacturing the ceramic layout amplification transparent printing piece, a designer can more visually check the design rule and the electric connection relation of ceramic wiring.

The utility model relates to a cooling fan capable of preventing a bearing from being corroded, which aims at solving the technical problem that the existing similar products lack the structural design that a stainless steel shaft core is adopted in a hub and the stainless steel shaft core at the bearing is combined with a ceramic coating. The radiating fan is characterized in that ceramic coatings are respectively arranged on the surfaces of at least two ends of a stainless steel shaft core in a hub of the radiating fan, an upper bearing and a lower bearing are respectively and fixedly arranged in a middle pipe of a frame body at the ceramic coatings, and the stainless steel shaft core is fixedly arranged in the middle pipe of the frame body through a clamping groove and a retaining ring at the tail end of one side of the lower bearing and a plastic gasket. A spring is arranged on the outer diameter of the stainless steel shaft core on the outer side of the upper bearing; two ends of the spring respectively abut against the upper bearing and the inner wall of the hub; a motor shell assembly is arranged in the hub, the magnet is arranged on the inner wall of a motor shell of the motor shell assembly, the stainless steel shaft core and a center shaft in the motor shell are riveted into a whole through a shaft sleeve, and one end of the spring abuts against the shaft sleeve. Therefore, a traditional metal shaft core or a full-ceramic shaft core is replaced by plating the ceramic coating on the surface of the stainless steel shaft core.

The invention relates to the technical field of ceramic manufacturing information processing, in particular to an element circulation and value release method based on ceramic data, which protects and inherits ceramic cultural heritage and improves the cultural influence and market recognition degree of ceramic products. The method comprises the following steps: collecting full-chain data of a ceramic product, and pasting a multi-dimensional label on each piece of data; creating a digital passport for each group of full-chain data, and integrating the collected full-chain data of all ceramic products to obtain a full-chain data set; inputting the full-chain data set into a pre-constructed ceramic data value analysis model to obtain a data value evaluation index; integrating a data encryption technology and a security protocol, and establishing a ceramic data sharing platform; the ceramic data sharing platform supports transaction modes of auction, subscription and one-time buying; and inputting the full-chain data set and the data value evaluation index into a ceramic data sharing platform for storage.

The invention discloses a first circulation 18-month pressurized water reactor core adopting full-ceramic microcapsule packaged fuel assemblies and a loading method thereof, the reactor core is composed of 177 groups of full-ceramic microcapsule packaged fuel assemblies, each assembly is loaded in three areas according to the enrichment degree, the enrichment degree of the assemblies in the three areas is controlled within the range of 8%-10%, and the full-ceramic microcapsule packaged fuel assemblies are loaded in the three areas. 12 burnable poison rods are arranged in each group of components, the components with the highest enrichment degree are arranged in the outer area of the reactor core, and 72 groups of components with the highest enrichment degree are arranged in total; the assemblies with relatively low enrichment degrees are arranged in the middle area of the reactor core, and the total number of the assemblies with relatively low enrichment degrees is 32; the assemblies with the lowest enrichment degree are arranged in the reactor core, and the total number of the assemblies with the lowest enrichment degree is 73. According to the invention, on the premise of not changing the appearance and size of the pressurized water reactor core consisting of 177 groups of fuel assemblies, the power of the reactor core is increased by 40% compared with that of the pressurized water reactor core consisting of rod-shaped fuel and can reach 4400MW, the first cycle life length reaches 18 months, and the nuclear fuel utilization rate and the economical efficiency are obviously improved.

The invention discloses a mounting method of a detachable hidden ceramic rod, which specifically comprises the following steps: S1, pretreating the ceramic rod: respectively forming vertical grooves in the upper end and the lower end of the ceramic rod; s2, a second fixing piece is installed at the hole in the bottom of the steel frame, and the top of the steel frame penetrates into the first ceramic rod from the bottom of the first ceramic rod; s3, a first fixing piece is installed on the top of the first ceramic rod; s4, the top of the steel frame penetrates into the bottom of the second ceramic rod, and a first fixing piece is installed on the top of the second ceramic rod; s5, all the ceramic rods are installed on the steel frame, when the last ceramic rod on the top of the steel frame is installed, a second fixing piece is installed on the top of the ceramic rod, and installation of all the ceramic rods on the steel frame is completed; and S6, the top and the bottom of the steel frame are connected with the top and the bottom of the steel frame transfer layer through corner connectors correspondingly, and overall installation of the ceramic rod is completed. Through pretreatment of the ceramic rod and arrangement of the first fixing piece and the second fixing piece, hidden installation of the steel frame is achieved, and the installation stability and the installation flexibility of the sleeve are improved.

The invention relates to the technical field of nuclear reactor fuels, and provides a full-ceramic micro-packaged fuel and a preparation method thereof.The method comprises the steps that TRISO particles are added into viscous slurry prepared by mixing polycarbosilane, xylene, high-purity nanometer beta-SiC powder and beta-SiC crystals, and fuel slurry is obtained; fuel slurry is added into the SiC cylindrical mold until the top surface of the SiC cylindrical mold is flush, the SiC cylindrical mold is placed in a vacuum-pumping environment after standing, argon shielding gas is introduced for segmented cracking reaction, and a semi-dense fuel pellet is prepared; the semi-dense fuel pellet is placed in a vacuumizing environment, the atmosphere of a SiC source is introduced, chemical vapor infiltration treatment is conducted on the semi-dense fuel pellet, and a dense FCM fuel pellet blank is prepared; and the prepared densified FCM fuel pellet blank is subjected to grinding machining treatment, and an FCM fuel pellet finished product is obtained. According to the invention, non-sintering low-temperature preparation of the FCM fuel pellet is realized, and the spatial distribution of TRISO particles is adjustable.