41 results about "Pyrophyllite" patented technology

The invention relates to the technical field of synthesis equipment of superhard materials, in particular to energy-saving type diamond production equipment and a production technology.The energy-saving type diamond production equipment comprises a machine body, a holding-up hammer, a transmission rod, a clamping piece and an adjusting assembly, the machine body is fixedly arranged, a cavity is formed in the machine body, pyrophyllite is located in the center of the cavity, and the holding-up hammer is arranged in the cavity; the holding-up hammers are arranged on the machine body, the extension lines of the transmission rods penetrate through the center and one vertex angle of the pyrophyllite, and the transmission rods slide and can intersect at the center position of the pyrophyllite; the clamping piece is arranged on the transmission rod and used for clamping the vertex angle, corresponding to the transmission rod, of the pyrophyllite. The adjusting assembly is used for guiding each holding-up hammer to slide towards the center position of the cavity. The pyrophyllite can be fixed at the central position in the cavity through the cooperative arrangement of the transmission rod and the clamping piece, so that the phenomenon of pyrophyllite position deviation caused by asynchronous contact between the six holding-up hammers and the pyrophyllite is improved, and the degree of uneven stress of a carbon source is relieved.

The application relates to the technical field of pyrophyllite processing, in particular to a crusher for pyrophyllite processing, which comprises a whole support support, the inner wall of the whole support support is provided with a crushing cylinder main body, and the crushing cylinder main body is arranged in an inclined mode. The crusher for pyrophyllite processing is characterized in that a hydraulic device brings a ring-shaped pressing plate to move downward to press the crushing plate group, the adjacent crushing plates in the crushing plate group can compress the return springs in the corresponding two crushing plates, the distance between the two adjacent crushing plates is reduced, and the pyrophyllite between the two crushing plates is crushed, the crushed pyrophyllite gradually falls through the first through hole, the second through hole, the third through hole and the fourth through hole with smaller and smaller hole sizes, the pyrophyllite pieces containing other impurities which are larger than the hardness of the pyrophyllite cannot be completely crushed due to the large hardness, therefore, the pyrophyllite pieces containing impurities are left in the corresponding spaces of the crushing plate group according to the volume, and the crushed pyrophyllite is discharged through the discharge port.

The invention belongs to the field of refractory materials, and provides a light heat-insulating refractory brick and a preparation method thereof. The light heat-insulating refractory brick comprises particles, mixed powder and an additional binding agent, the particles comprise, by weight, 10-15 parts of expanded vermiculite and 30-45 parts of closed cell perlite, and the mixed powder comprises, by weight, 15-25 parts of spherical quartz powder and 5-15 parts of perlite dust collecting powder. The raw materials comprise, by weight, 5-10 parts of waste silica brick powder, 5-10 parts of siliceous pyrophyllite powder, 10-15 parts of Jiaozhou white clay, 5-15 parts of sodium montmorillonite powder and 5-15 parts of limonite powder; the additional binding agent comprises the following raw materials in parts by weight: 3-5 parts of binding slurry and 3-5 parts of pre-gelatinized starch. The refractory brick disclosed by the invention is a light heat-insulating refractory brick which is small in volume density, small in heat conductivity coefficient and capable of meeting the requirement of heat insulation in a high-temperature kiln at 900-1000 DEG C in normal-temperature compressive strength.

This invention belongs to the field of refractory materials for coke ovens in the coking industry, specifically relating to a refractory coke oven lining repair material and its preparation and application method. This application uses high-alumina bauxite, calcium hexaaluminate, calcite, biotite, wollastonite, and pyrophyllite as main materials, BaO as additives, and borosilicate glass powder and calcium phosphate as binders. Because the main materials of this repair material include high-alumina bauxite and calcium hexaaluminate, it has a high degree of compatibility with the original castable refractory, resulting in strong bonding. A single repair can extend the service life by more than one year, and it can be repeatedly repaired, thereby greatly improving the overall service life of the coke oven lining, reducing coke oven costs, and eliminating resource waste. This repair material can directly repair damaged parts of the coke oven without treating the lining, meeting the coke oven's usage conditions and enabling the reuse of the lining. Furthermore, the repair material's preparation method is simple, has a short construction cycle, and is easy to industrialize.

This utility model relates to the field of pyrophyllite processing, specifically to a pyrophyllite processing and sorting device, including a main body box. A receiving box is located at the bottom of the main body box, and a feeding box is located at the top. A processing box is located outside the main body box, and a transmission gear is located inside the processing box. A processing rod connected to the transmission gear is located inside the main body box. This utility model utilizes a vibrator to drive a vibrating box to vibrate, thereby adjusting and controlling the vibration of the movable plate. This allows smaller pyrophyllite raw materials to smoothly fall into the receiving box through the perforation. After the processing motor starts, the transmission gear meshes and drives the processing rod to rotate. Simultaneously, the external processing threaded strip pushes the material towards the discharge port, while the arrayed processing plate rotates and crushes the pyrophyllite. This design ensures that the pyrophyllite is effectively crushed, while harder stones will not be crushed due to insufficient rotation amplitude, thus achieving precise crushing of the pyrophyllite.

The invention belongs to the technical field of diamond manufacturing, and discloses a gemstone-grade diamond manufacturing device and method.The manufacturing device comprises a diamond synthesis cavity, a first driving device, a second driving device, a third driving device, a fourth driving device and a fourth driving device, the diamond synthesis cavity is provided with a through hole, and the axis of the through hole is arranged in the first direction; the at least two groups of growth units are arranged in the through hole, at least one group of growth units is positively arranged from one end of the diamond synthesis cavity to the axial center position of the diamond synthesis cavity, and the other group of growth units is reversely arranged from the other end of the diamond synthesis cavity to the axial center position of the diamond synthesis cavity; the diamond synthesis cavity is arranged in the pyrophyllite combination block; the cubic press is connected with the pyrophyllite combined block; the controller is electrically connected with the cubic press; therefore, the multiple groups of growth units in the diamond synthesis cavity are symmetrically arranged, so that the production efficiency of the gem-grade diamond manufacturing device and the manufacturing method provided by the invention is higher.

The application discloses a calcining device for pyrophyllite block production and relates to the technical field of pyrophyllite block production. The calcining device comprises a crucible and a clamping assembly. The outer wall of the crucible is provided with the clamping assembly for limiting and fixing. The clamping assembly comprises a fixing ring, a limiting ring, a fixing plate, a fixing hole, a connecting rod, a sliding groove and a limiting block. The fixing ring is provided below the fixing plate. The fixing plate is provided below the limiting ring. The device is provided with the clamping assembly. The position of the clamping block is adjusted by a spring and cooperates with the fixing ring and the limiting ring, so that the crucible is limited and fixed. After the calcining of the pyrophyllite material is completed, the process that a worker manually holds a tool to clamp the pyrophyllite material is avoided, the safety hidden danger is reduced, the long-term repeated mechanical labor steps of the worker are avoided, the probability of work failure is reduced, the production risk of the enterprise is reduced, the production cost of the enterprise is indirectly reduced, and the safety of the product is improved.

This invention belongs to the field of building materials technology. Specifically, it discloses a glaze for preventing ceramic tile deformation and an anti-deformation ceramic tile, comprising the following raw materials in parts by weight: 15-30 parts spodumene, 15-30 parts calcite, 12-20 parts bauxite, 8-15 parts pyrophyllite, 6-12 parts modified magnesium borate whiskers, 5-9 parts wet-process mica powder, 3-6 parts palygorskite, 1-2.5 parts calcium borate, 1-2 parts tricalcium silicate, and 0.2-0.7 parts ammonium fluoride. The system of this invention uses spodumene, calcite, bauxite, and pyrophyllite as the matrix minerals, effectively lowering the sintering temperature and providing basic strength to the system. At a lower firing temperature, a high degree of sintering of the glaze layer can be ensured, preventing sintering failure of other materials. By adding modified magnesium borate whiskers and wet-process mica powder, the flexural strength is effectively improved.

The invention discloses a corrosion-resistant refractory material and a preparation method thereof, and relates to the technical field of refractory materials, the corrosion-resistant refractory material comprises the following raw materials by weight: 70-80 parts of bauxite clinker, 15-25 parts of metakaolin, 10-15 parts of aluminum ash, 10-12 parts of corundum, 5-7 parts of phenolic resin and 12-14 parts of modified PP fiber. The modified pp fibers are obtained by grafting monomers containing sodium sulfonate, benzimidazole and nanoscale pyrophyllite powder with pp fibers. The refractory material provided by the invention has excellent corrosion resistance, refractoriness and compressive strength, and is worthy of popularization and application.

The invention discloses a pyrophyllite assembly block sealing edge smearing mechanism which comprises a horizontally-rotating tray, a bottom plate is connected to the upper portion of the tray, a cushion block is arranged on the upper portion of the bottom plate, adjusting plates are connected to the two adjacent sides of the bottom plate, the adjusting plates are connected with bent plates, the lower ends of the bent plates are adjustably connected with the adjusting plates, and the upper ends of the bent plates are used for being attached to the side faces of a pyrophyllite assembly block. In the application state, the cushion block supports the bottom face of the pyrophyllite assembly block, the upper ends of the two bent plates are attached to the adjacent side faces of the pyrophyllite assembly block respectively, and twelve sealing edges of the pyrophyllite assembly block are exposed outside. By means of the horizontally-rotating tray, the bottom plate, the cushion block, the adjusting plate capable of adjusting and positioning and the bent plate, multiple pain points of manual smearing and an existing tool in the background technology are accurately solved, smearing reliability is guaranteed, and the risk of dislocation of internal components is eradicated; the smearing efficiency is improved, and the method is suitable for large-scale production; the operation safety is guaranteed, and the modern safety production requirement is met; the foundation adaptability is achieved, and assembling blocks of different specifications are adapted.

The invention relates to the technical field of ceramics, in particular to honeycomb bubble glaze and a processing technology of glazed foamed ceramic. The cellular bubble glaze comprises the following basic glaze components: low-temperature frit, quartz, glass powder, calcium carbonate, pyrophyllite, kaolin, talc and lithium carbonate. The firing process specifically comprises the following steps: controlling the atmosphere to be a reducing atmosphere, and controlling the firing time to be 85 + / -5min in a temperature interval of 400 + / -50 DEG C and 925 + / -25 DEG C; converting into an oxidizing atmosphere, increasing the temperature to 1025 + / -25 DEG C and 1110 + / -10 DEG C in sequence in a stepped manner, and carrying out heat-preservation firing at the highest firing temperature. According to the invention, carbonate which is not decomposed in time continues to decompose gas, foaming gas generated by reaction of the carbonate and an adjacent foaming agent which is excited by oxygen is fused and enlarged in a glaze melt until a glaze surface is broken through to form open bubbles with large bubbles, and open bubbles with small bubbles are formed on the glaze surface which only contains silicon carbide or silicon-oxygen-carbon but does not contain undecomposed carbonate; therefore, the glaze foaming effect with coexisting large and small foam holes is achieved.

This invention belongs to the field of olefin polymerization technology and discloses a supported metallocene catalyst, its preparation method, and its application. The catalyst comprises a support and a metallocene compound and an alkylaluminoxane supported on the support. The support is a spherical pyrophyllite-clay composite material with three-dimensional cubic channels, made of mesoporous clay silica, silica gel, and pyrophyllite clay minerals. The metallocene compound has the structure shown in Formula 1, where R1, R2, R3, R4, R5, R1', R2', R3', R4', and R5' are each independently hydrogen or a C1-C5 alkyl group, and at least one of R1, R2, R3, R4, and R5 is a C1-C5 alkyl group, at least one of R1', R2', R3', R4', and R5' is a C1-C5 alkyl group, M is one of titanium, zirconium, and hafnium, and X is a halogen. The catalyst of this invention has a stable structure and high catalytic activity.

A coating layer composition including: 30 to 70 wt. % of a polyvinyl chloride; 1 to 5 wt. % of a heat stabilizer; 8 to 24 wt. % of a plasticizer; 2.5 to 30.0 wt. % of a HCl-reactive compound; 3 to 40 wt. % of a filler; and 1 to 8 wt. % of a pigment, based on the total weight of the coating layer composition, wherein the polyvinyl chloride has a K-value in the range of 75 to 100, wherein the HCl-reactive compound is selected from the group consisting of CaCO3, hydrotalcite, zeolite, hydrocalumite, hydroxides of magnesium, hydroxides of aluminum, wollastonite, and mixtures thereof, wherein the filler is selected from the group consisting of talc, mica, pyrophyllite, kaolin, and mixtures thereof, and wherein the filler has a plate-shape.

The invention provides a preparation method and application of a sub-nanometer zero-valent composite mineral-based three-dimensional organic framework material for deeply treating silicon and fluorine in photovoltaic wastewater, and belongs to the technical field of deep treatment of fluorine and silicon in photovoltaic wastewater. The preparation method comprises the following steps: respectively crushing lapis lazuli, aluminum-rich pyrophyllite, limonite, phoenix stone, barite and dolomite, sieving, mixing, reducing and roasting in a hydrogen atmosphere to obtain a nano zero-valent complex mineral, adding the nano zero-valent complex mineral into a nano sand mill, adding grinding balls, an organic ligand, an organic solution and a grinding aid, and carrying out multi-element wet-type ball milling to obtain the nano zero-valent complex mineral. The preparation method comprises the following steps: preparing a sub-nano zero-valent complex mineral, performing water bath ultrasonic treatment on the sub-nano zero-valent complex mineral by adopting a 3D printing technology to obtain a 3D-sub-nano zero-valent complex mineral, and finally performing hydrothermal reaction to obtain the sub-nano zero-valent complex mineral-based three-dimensional organic framework material which has high adsorption performance and high activity and can realize efficient removal of silicon-containing and fluorine-containing wastewater. The invention aims to overcome the defects that the existing commercially available adsorbent has low removal rate on silicon and fluorine and is easily interfered by other ions.

The invention discloses a method for preparing a photocatalytic material by light-induced kaolinite structure reconstruction, and belongs to the technical field of photocatalytic materials. The method comprises the following steps: dispersing kaolinite in deionized water to obtain slurry, adjusting the pH value to 8-13, stirring for 24-72 hours under the condition of ultraviolet irradiation, centrifuging, washing, drying, and grinding to obtain the photocatalytic material. The kaolinite is promoted to generate structural transformation through the synergistic effect of ultraviolet irradiation and the alkaline environment, the resultant phase composition comprises an illumination reaction product of montmorillonite, kaolinite and pyrophyllite, and due to the improvement of the interfacial effect and the defect density, the stability of the kaolinite is improved, and the stability of the kaolinite is improved. The adsorption and catalytic degradation capabilities of the material on organic pollutants are remarkably enhanced, so that the prepared photocatalytic material has a good application prospect in the field of sewage treatment.

The invention relates to the technical field of materials, and discloses a modified plastic composite master batch and a production process thereof.The modified plastic composite master batch is prepared from ethylene propylene diene monomer and chlorinated polyethylene as main raw materials and modified additives as additives through mixing and extrusion granulation processes. Wherein the modified additive is prepared by modifying the surface of pyrophyllite with a macromolecular modifier, and due to the existence of the macromolecular modifier, the interface affinity of the pyrophyllite and the ethylene propylene diene monomer can be improved, so that the pyrophyllite can give full play to the reinforcing effect of the pyrophyllite as an inorganic additive, and the mechanical strength of the plastic is improved. Besides, the macromolecular modifier can promote rapid formation of an expanded carbon layer structure on the surface of the material during combustion to effectively prevent heat and oxygen, and meanwhile, pyrophyllite can form a layer of stable and high-temperature-resistant ceramic barrier during combustion to cooperate with a carbon layer, so that the flame retardant property of the material is greatly enhanced.

The utility model relates to the technical field of pyrophyllite products, disclose a pyrophyllite ring for pressing pyrophyllite composite block, including pyrophyllite ring, the pyrophyllite ring outside is provided with pyrophyllite composite block, the pyrophyllite ring inside fixedly connected with the sheath layer, the sheath layer inside is provided with the sliding slot, the sheath layer inside is provided with a plurality of fixed slots, the sheath layer inside is provided with the inner lining pipe, the inner lining pipe both sides are fixedly connected with the sliding block. In the utility model, by putting into the sliding slot inside with the opening of the sliding block aiming at the sliding slot, rotates the inner lining pipe, makes it drive the sliding block to slide in the sliding slot, after reaching the required position, stop rotating the inner lining pipe, press down the inner lining pipe, make the sliding block enter the fixed slot inside, complete locking, can make pyrophyllite composite block through pressing pyrophyllite ring, need not use, pull up the inner lining pipe and reverse rotation upward, can realize its quick dismounting, realized the detachable fixing between the inner lining pipe and pyrophyllite ring.

This invention belongs to the field of refractory materials technology and discloses a method for preparing refractory materials for molten iron pretreatment containers using low-rank solid waste. The method uses waste silicon carbide carbon bricks as the main raw material, crushing them into 8-0mm recycled material, subjecting it to nitriding treatment, and sieving it into recycled aggregates and fine powders of different particle sizes. The recycled material, pyrophyllite, zirconium corundum, silicon carbide, graphite, zirconium mullite fine powder, metallic silicon powder, aluminum powder, composite rare earth oxides, and reinforcing agents are added in stages with a binder, mixed, machine-pressed, and dried to produce silicon carbide carbon recycled brick products. This invention prepares recycled material through nitriding treatment, performs grading, and selects a reasonable particle size distribution to achieve a close-packed gradation of the billet. Utilizing an activated sintering mechanism, adding high-melting-point zirconium materials and composite additives, and selecting appropriate process parameters, silicon carbide carbon recycled bricks with high hot strength, excellent thermal shock stability, and resistance to permeation erosion are prepared, achieving resource recycling.

This invention discloses a method for preparing high-density, high-compactness, high-purity, and bulk polycrystalline pyrophyllite. The method involves grinding single-crystal pyrophyllite particles into pyrophyllite sample powder, compacting and sealing it under a vacuum of 10... –3 The sample was encased in a steel sheath measuring 55.91 mm (outer diameter) × 87.94 mm (height) × 3 mm (wall thickness). The steel sheath was placed inside the graphite furnace cylinder of the high-pressure vessel in a hot isostatic pressing (HIP) apparatus and sealed with a graphite cap. Using argon as the pressure transmission medium, a multi-gradient cylinder heating and pressurization method was employed to raise the temperature inside the sample chamber to 720 °C and the pressure to 101.3 MPa, and then maintain the temperature and pressure for 5.2 hours. A multi-gradient cylinder cooling and depressurization method was then employed to lower the temperature inside the sample chamber by 171 °C and the pressure to 71.4 MPa. The pressure was then released to room temperature to obtain a polycrystalline pyrophyllite polymer. This method filled the technical gap in the preparation of bulk experimental samples of high-density polycrystalline pyrophyllite polymers under high temperature and high pressure conditions.

The invention discloses a method for intensively separating molybdenite and pyrophyllite based on roasting-reverse and direct flotation. According to the process, concentrate containing molybdenite and pyrophyllite is roasted, and the roasted ore is subjected to reverse flotation separation. The surface of the sulfide ore can be oxidized through roasting, the hydrophobic performance of the sulfide ore is reduced, the surface structure of the pyrophyllite is not changed, and the hydrophobic performance of the pyrophyllite is not changed. And the grade of molybdenite in the sulfide ore concentrate can be further improved through reverse flotation. And feeding tailing pulp subjected to reverse flotation into a multi-stage pulp mixing tank to adjust the pH value to be alkaline, and then carrying out direct flotation. According to the method, the flotation difference of molybdenite and pyrophyllite is expanded through oxidizing roasting, the content of the molybdenite in the sulfide ore concentrate is reduced through reverse flotation, the grade of the sulfide ore concentrate is improved, then the floatability of the molybdenite is improved by adjusting the pH of tailing pulp obtained through reverse flotation, and then the grade of the pyrophyllite in the sulfide ore concentrate is reduced through direct flotation. The process is simple and controllable, the obtained concentrate product is high in purity, and industrial application is facilitated.

The invention discloses a preparation method of a high-capacity hydrogen storage material at normal temperature and pressure, which comprises the following steps: performing hydrothermal treatment on pyrophyllite and a ZIF-8 solution, performing vacuum drying to obtain a pyrophyllite / ZIF-8 composite material, and further compounding the composite material with a carbon nanotube to obtain the hydrogen storage material. The preparation method is simple, the process is easy to control, the prepared hydrogen storage material has high specific surface area and rich adsorption sites, and the physical adsorption capacity on hydrogen is effectively improved; in addition, the hydrogen storage capacity of the material can be further improved through active sites carried by the structure of the pyrophyllite and the chemical adsorption effect generated between metal ions in the ZIF-8 and hydrogen. Under the conditions of normal temperature and normal pressure, the hydrogen storage capacity of the hydrogen storage material can reach 2.0-3.0 wt.%, and compared with a traditional physical adsorption hydrogen storage material, the hydrogen storage performance is remarkably improved.

This invention relates to the field of glass fiber, and provides a high-alumina pyrophyllite glass fiber and its preparation method. The glass fiber is composed of high-alumina pyrophyllite, quartz sand, titanium dioxide, limestone, dolomite, soda ash, and borax. The fiber contains plate-like pyrophyllite microcrystals with crystal planes arranged parallel to the fiber axis, with an average diameter of 20.0–45.0 nm and a thickness of 2.0–5.0 nm. The preparation method includes ball milling of the high-alumina pyrophyllite, ultrasonic exfoliation and surface modification treatment, batch mixing, melting and homogenization at 1490–1510℃, melting and drawing at 1360–1380℃ to control the axial orientation of the microcrystals, and segmented heat treatment to stabilize the structure. The resulting glass fiber has a tensile strength of 2800–3200 MPa and an axial thermal conductivity of 1.2–1.6 W / (m·K), significantly improved in strength and thermal conductivity compared to ordinary pyrophyllite glass fiber. It is suitable for the preparation of high-performance composite materials in aerospace, electronic packaging, and high-end construction fields.

The application discloses a tungsten carbide anvil assembly for generating ultrahigh pressure and relates to the technical field of high-temperature and high-pressure of large-cavity presses, which comprises eight cubic blocks of tungsten carbide hard alloy, eight anvils are assembled into a regular cube, trapezoidal gaps are formed between two adjacent anvils, each trapezoidal gap is supported by a supporting block, each anvil is cut into an equilateral triangle section as an anvil surface towards the vertex of the regular cube, each anvil surface encloses an octahedral cavity, three inclined surfaces around each anvil surface are fixedly connected with a piece of pyrophyllite as a high-pressure sealing edge in close proximity to the edge of the anvil surface, an eight-faced pressure-transmitting medium is arranged in the octahedral cavity, a first through hole and a second through hole are arranged on the eight-faced pressure-transmitting medium, three zirconia tubes are sequentially arranged in the first through hole, molybdenum column electrodes are arranged in the zirconia tubes at two ends, a hollow rhenium cylinder is arranged in the middle zirconia tube, and an alumina tube is arranged in the hollow rhenium cylinder. The application can realize an ultrahigh pressure and high-temperature environment on a multi-surface anvil large-cavity press.

The invention discloses an automatic assembling device and method for a high-pressure sintering diamond tool bit pyrophyllite mold. The assembling device comprises an equipment operation table, a six-axis mechanical arm, a mechanical arm end executor integrating a pneumatic four-finger clamping jaw and a vacuum suction cup, a depth camera for obtaining material coordinates, a conveying belt for conveying all parts of the mold and a conveying belt for transferring the assembled pyrophyllite mold. The assembling method comprises the steps that all parts of the mold are conveyed to the corresponding positions through the corresponding conveying belts; the depth camera obtains coordinates of all parts of the mold and sends the coordinates to the mechanical arm, the mechanical arm rotates a sixth shaft to select a corresponding clamp to convey all the parts of the mold to the mold transfer conveying belt to complete assembly, and after assembly is completed, the computer sends a signal to the finished product conveying belt. And the finished product conveying belt conveys the assembled mold away to leave a position for the next assembly.

This invention relates to the field of superhard material processing technology, and particularly to a green synthesis process for superhard materials and an energy-saving high-pressure device. It includes six sets of hinge beams arranged in an upward, downward, left, right, front, and rearward orientation. Each set of hinge beams has four sets of hinge ears arranged in a circular array fixed to its outer side. Adjacent sets of hinge ears are joined together, and a pin is inserted into the joined sets of hinge ears. Each set of hinge beams has a hydraulic cylinder installed inside, and a top hammer is installed at the end of each hydraulic cylinder closest to the top hammer. The invention also includes a metal rod fixed to the outside of the multiple sets of top hammers, with a traction rope fixed to the end of the metal rod furthest from the top hammer. Through the structural design of the centrifugal locking mechanism, this invention achieves instantaneous engagement between the centrifugal locking mechanism and the locking teeth. When sealing media such as pyrophyllite break, it quickly locks the inertially moving top hammer, effectively preventing impact damage caused by uncontrolled displacement of the top hammer, thus preventing equipment "explosion" accidents at the source and significantly improving equipment operating safety and component lifespan.

The application relates to a device and a method for in-situ measurement of thermal conductivity under high temperature and high pressure, which comprises a pyrophyllite pressure transmission medium block and a sample body, the internal space of a boron nitride tube is a sample cavity, the sample body is arranged in the sample cavity, the upper and lower ends of the sample body are respectively provided with boron nitride sheets, and the upper and lower ends of a graphite tube are respectively provided with graphite sheets. The application combines one-dimensional hot-wire method with the large-cavity high-pressure environment of a cubic press, adopts the structure design that an electric heating wire and a K-type thermocouple vertically cross and penetrate the center of the sample body, simplifies the mode that a top hammer directly serves as an outgoing electrode, adopts a double heat preservation structure and a double insulation structure, solves the problems of short circuit, electric leakage and electrical interference of the heating circuit of the electric heating wire and the signal acquisition circuit of the K-type thermocouple under high temperature and high pressure, and directly obtains the thermal conductivity through linear fitting without complex inversion calculation, so that the test process is simplified, and the application range is significantly widened.

The application relates to the field of glazed tiles, in particular to a high-fine-texture soft-light-sensation surface ceramic tile. The ceramic tile comprises, from bottom to top, a body layer, a bottom glaze layer and a surface glaze layer, wherein the body layer is a ceramic tile body; the bottom glaze, in terms of mass parts, comprises the following raw materials: 12-20 parts of power plant cinder ash, 5-10 parts of white gangue, 10-15 parts of quartz sand, 10-15 parts of kaolin, 2-3 parts of high-alumina bauxite, 4-6 parts of magnesite, 12-15 parts of ball clay, 1-3 parts of black clay, 3-5 parts of montmorillonite, 12-18 parts of pyrophyllite, 10-15 parts of albite, 10-15 parts of potassium feldspar, 3-5 parts of zirconium silicate and 1-3 parts of high-boron glass powder. The application provides a high-fine-texture soft-light-sensation surface ceramic tile and a preparation process thereof, which can have self-cleaning effect, surface fineness and soft-light-sensation surface effect while having excellent anti-skid performance, thereby solving the problem that the performance of the existing glazed tile cannot be comprehensive.

This invention relates to the field of rubber materials technology, and proposes an oil-resistant hydraulic brake hose and its preparation method. An oil-resistant hydraulic brake hose comprises, from the inside out, an inner rubber layer, a first reinforcing layer, a middle rubber layer, a second reinforcing layer, and an outer rubber layer. The inner rubber layer comprises the following components by weight: 70-80 parts nitrile rubber, 2-3 parts silane coupling agent, 4-6 parts zinc oxide, 2-3 parts stearic acid, 1-2 parts flow aid, 5-10 parts tackifier, 10-20 parts plasticizer, 0.8-1.5 parts sulfur, 3-5 parts accelerator, 60-75 parts carbon black, 10-15 parts silica, and 8-15 parts composite pyrophyllite. The composite pyrophyllite is obtained by modifying pyrophyllite with octyltrimethoxysilane and then compounding it with 1-butyl-3-methylimidazolium hexafluorophosphate. This technical solution solves the problem of poor oil resistance of the inner rubber layer in existing hydraulic brake hoses.

The present application relates to the field of diamond synthesis, and discloses a kind of synthetic diamond synthesis device, including six top press machine main body, six top hammer, synthesis bowl, conducting component and raw material synthesis block;The six top press machine main body is the basic support and power compression component of device.This application, by optimizing the structure design of synthesis bowl, realize synthesis cavity full dimension uniform pressure transmission, effectively improve the quality and consistency of synthetic diamond finished product, the inner layer of synthesis bowl uses the high density pyrophyllite sintered body of purity as pressure equalizing and pressure transmission layer, can the pressure transmitted by top hammer evenly, losslessly conduct to spherical pressure equalizing synthesis cavity, ensure that the cavity is balanced in each direction, at the same time, synthesis bowl adopts spherical structure design, with top hammer inner concave arc top pressure surface precision adaptation, further improve the stability of pressure transmission, provide uniform pressure environment for the conversion of graphite to diamond under the action of catalyst, significantly reduce the internal defects of finished diamond, improve product pass rate.

The invention discloses a vertical heating synthesis block, which comprises a pyrophyllite block, which is provided with a through hole, and the axis of the through hole is arranged along a first direction; the heating unit is provided with a placing cavity and is arranged in the through hole; the first temperature adjusting unit is arranged in the containing cavity and located on the upper portion of the heating unit. The second temperature adjusting unit is arranged in the containing cavity and located on the lower portion of the heating unit, and the heat conduction amount of the first temperature adjusting unit is larger than that of the second temperature adjusting unit; the first conductive unit is arranged in the through hole and is positioned at the upper part of the pyrophyllite block; and the second conductive unit is arranged in the through hole and located on the lower portion of the pyrophyllite block, the heat conduction amount of the first conductive unit is larger than that of the second conductive unit, and through the arrangement of the first temperature adjusting unit and the second temperature adjusting unit which are different in heat conduction amount and the arrangement of the first conductive unit and the second conductive unit which are different in heat conduction amount, the temperature adjusting effect is improved. And the temperatures of the upper and lower parts of the heating unit can be balanced.