59results about How to "Reduce internal porosity" patented technology

The invention provides a nickel-metal hydride battery positive electrode material and a preparation method thereof, a nickel-metal hydride battery and electric equipment, the nickel-metal hydride battery positive electrode material is nickel-containing hydroxide doped with cobalt element and zinc element, the nickel-metal hydride battery positive electrode material comprises secondary particles composed of a plurality of primary particles, and the section porosity of the secondary particles is less than or equal to 3.0%. The nickel-metal hydride battery positive electrode material provided by the embodiment of the invention is doped with the cobalt element and the zinc element, attenuation of the capacity and the service life of the positive electrode material at high temperature can be slowed down through the doped elements, and the secondary particles are integrally of a compact structure, have few internal pores and are not easy to crack when bearing stress, so that the nickel-metal hydride battery positive electrode material is better in structural stability, and the service life is prolonged. And the cycle performance and the capacity retention ratio can be considered.

The invention provides a vacuum forming device and method. The vacuum forming device comprises a forming cavity; a resin storage part; the first flow path comprises a first branch and a second branch, and a first control valve is arranged between the first branch and the second branch; a vacuumizing part; a second control valve is arranged on the second flow path; the forming cavity is arranged in the heating cavity; and the control part is electrically connected with the vacuumizing part, the first control valve and the second control valve. In the vacuum forming device, the control part can control opening and closing of the first control valve, the second control valve and the vacuumizing part, and after the first branch is filled with resin, extraction of the resin is stopped. And then vacuumizing is continued, air in the second branch, the forming cavity and the second flow path is exhausted, and the internal porosity of the formed part obtained after curing in the forming cavity is reduced. In addition, the forming cavity is formed in the heating cavity, and after resin pouring is completed, the forming cavity can be directly heated through the heating cavity to achieve curing of the resin.

The invention discloses an admixture for low-shrinkage ultra-high performance concrete as well as a preparation method and application of the admixture. The admixture is prepared from the following components in parts by weight: 15 to 18 parts of silica fume, 10 to 15 parts of microbeads, 10 to 15 parts of mineral powder, 0.3 to 0.5 part of a plastic expanding agent, 4 to 6 parts of a calcium expanding agent, 4 to 6 parts of a magnesium expanding agent, 3 to 5 parts of anhydrite, 0.1 to 0.2 part of water-absorbent resin, 0.1 to 0.2 part of a de-foaming agent and 0.5 to 1 part of a water reducing agent. The admixture for the low-shrinkage type ultra-high performance concrete is excellent in adaptability, on one hand, the compressive strength and working performance of different ages can be improved, and on the other hand, the problems that due to the fact that the mixing amount of a traditional ultra-high performance concrete binding material and the using amount of cement are high, the concrete is large in shrinkage and prone to cracking are effectively solved.

The invention discloses a low-carbon masonry cementing material as well as a preparation method and application thereof. The low-carbon masonry cementing material is prepared from the following raw materials in parts by weight: 95-100 parts of ceramsite waste residue powder, 1-10 parts of magnesium aluminum silicate slag and 0-4 parts of clinker, the low-carbon masonry cementing material contains a large amount of amorphous active silicon, and under the direct excitation hydration action of the magnesium aluminum silicate slag component, the hydration rate of the low-carbon masonry cementing material is promoted, so that the low-carbon masonry cementing material has the characteristics of improved early and long-term strength, strong durability, high water retention rate and small hydration heat; besides, by adding the clinker, mineral components such as CaO, SiO2 and Al2O3 can be released and promoted to be subjected to a hydration reaction, C-S-H series hydrates and ettringite are generated, and the artificial stone is coagulated and hardened into the hard artificial stone at the normal temperature like cement.

The invention provides a micro-expansion high-fluidity UHPC (Ultra High Performance Concrete) for a wet joint of an assembled structure of an underground station and a preparation method of the UHPC. The micro-expansion high-fluidity UHPC for the underground station fabricated structure wet joint is prepared from the following components in parts by weight: 620 to 940 parts of cement, 31 to 47 parts of fly ash, 31 to 47 parts of mineral powder, 52 to 238 parts of silica fume, 62 to 94 parts of quartz powder, 616 to 1354 parts of quartz sand, 2.1 to 3.2 parts of water reducing agent, 0.3 to 0.6 part of defoaming agent, 4.1 to 6.2 parts of expanding agent, 0.5 to 2 parts of steel fiber, 0.05 to 0.2 part of MICP microcapsule and 99 to 188 parts of water. According to the micro-expansion high-flow UHPC for the wet joint, concrete shrinkage can be reduced, the uniformity and strength of a mixture can be improved, the structural durability can be enhanced, and the strength and working performance of the concrete can be improved through the preparation process; the added MICP microcapsules can activate microorganisms to carry out biochemical reaction after being broken, so that deposition of calcium carbonate is triggered, microcracks are repaired, the mechanical property of the concrete is improved, and the reaction can reduce water evaporation and reduce shrinkage.

The present invention provides a slow-release fertilizer composite hydrogel and a preparation method and application thereof, belonging to the technical field of slow-release fertilizers. The slow-release fertilizer composite hydrogel comprises the following raw materials in parts by weight: 2 to 58 parts of lignocellulose nanofiber suspension, 0.05 to 0.15 parts of clinoptilolite, 5 to 15 parts of acrylic acid, 5 to 15 parts of acrylamide, 1 to 2 parts of initiator, 0.1 to 0.3 parts of cross-linking agent and 5 to 15 parts of urea. The present invention also provides a preparation method of the slow-release fertilizer composite hydrogel and its application in agricultural planting. The slow-release fertilizer composite hydrogel of the present invention has good overall stability, presents an obvious porous structure, has small internal pores and uniform pores, has good water absorption, swelling and water retention effects, has ideal controlled release performance and urea slow release effect, and can be well used in the planting of agricultural crops and forestry plants, as well as the ecological restoration of difficult sites in urban and rural areas.

The invention discloses a lithium-based ceramic material and a preparation method thereof.The method comprises the following steps that S1, a plurality of lithium-based ceramic green bodies are stacked in the thickness direction and placed in a first crucible with first lithium-based ceramic pre-sintered powder laid at the bottom, and second lithium-based ceramic pre-sintered powder is scattered among the multiple lithium-based ceramic green bodies; s2, a second crucible with an opening facing downwards is inversely buckled into the first crucible, and the multiple lithium-based ceramic green bodies are contained in the second crucible; s3, the first crucible containing the second crucible is sealed through a crucible cover and then sintered, the lithium-based ceramic green body is sintered, and the lithium-based ceramic material is obtained. According to the method, the lithium-based ceramic material with relatively high density can be obtained under normal pressure.

The invention relates to a high-strength steel slag plate and a forming method thereof, and relates to the technical field of steel slag modification.The forming method of the high-strength steel slag plate comprises the following steps that a silicon supplement is added into steel slag powder and mixed to be uniform, a powder mixture is obtained, and the silicon supplement at least comprises any one of amorphous SiO2 powder or sinking bead powder; adding water into the powder mixture, and stirring to form a mortar mixture; and treating the mortar mixture to form the steel slag plate. The method has the effect of improving the compressive strength of the steel slag plate.

This invention belongs to the field of industrial solid waste resource utilization technology, and relates to a circulating fluidized bed ash-based cementitious material for road base courses and its preparation method. The raw materials for the road base course cementitious material are composed of the following mass parts: 29-43 parts of circulating fluidized bed ash, 16-27 parts of ground blast furnace slag, 3-6 parts of silica fume, 7-15 parts of P.O42.5 silicate cement, 0.1-0.4 parts of activator, and 27-30 parts of water. The circulating fluidized bed ash is prepared by mixing circulating fluidized bed fly ash and slag in a mass ratio of (2-5):(5-10). This invention effectively alleviates the problems of fast setting time and shrinkage cracking of traditional road base course cementitious materials by utilizing the characteristics of micro-expansion and long hydration time of circulating fluidized bed ash. The advantage of this invention is that it promotes the large-scale utilization of circulating fluidized bed ash and contributes to carbon emission reduction in the road sector.

The present invention relates to the technical field of dielectric strength, and discloses a process method for enhancing the dielectric strength of non-conductive composite materials, comprising the following steps: evaluating the maximum pressure that the existing non-conductive composite materials can withstand, and selecting a pressure not greater than the maximum pressure to set the autoclave; sampling in the test piece where the non-conductive composite materials are applied, and performing ply parameter analysis according to the original structure of the sampled part; and predicting the lowest void ratio of different process parameter combinations by learning from historical production data. The present invention predicts a better parameter combination using an algorithm without adjusting any structural design, and then adjusts the pressurization process requirements according to the parameter combination, increases the structural density, and thus reduces the internal void ratio, thereby achieving an improvement in the dielectric strength of the non-conductive composite material itself, which is beneficial to the applicability of non-conductive materials in lightning protection.

The invention relates to a nickel-zinc ferrite material and a preparation method and application thereof.The nickel-zinc ferrite material is prepared from main components and additives, the main components comprise Fe2O3, NiO, ZnO and CuO, and the additives comprise Bi2O3, Co2O3 and ZrO2; based on 100 mol% of the total substance amount of the main components, the content of Fe2O3 is 65 mol% to 66.7 mol%, the content of NiO is 10.6 mol% to 13 mol%, the content of ZnO is 17 mol% to 20 mol%, and the content of CuO is 2 mol% to 4.5 mol%. The nickel-zinc ferrite has the advantages of high wide-temperature magnetic conductivity, high broadband magnetic conductivity and the like by regulating and controlling the ratio of the main components of the raw materials, and can be better applied to the fields of transformers and wireless charging, so that the wireless charging efficiency is higher.

The invention discloses a preparation process of a zirconium oxide composite antibacterial repair material, which comprises the following steps: step 1, weighing ZrO (NO3) 2.2 H2O to prepare a solution, and heating and stirring the solution in a heating stirrer; 2, sequentially adding 6% mol of Y (NO3) 3.6 H2O and KCl into the liquid in the step 1, and continuously heating and stirring until the Y (NO3) 3.6 H2O and the KCl are dissolved; step 3, adding CH4N2O into the solution obtained in the step 2, and heating and stirring until CH4N2O is dissolved; 4, when the nitrate mixed solution is concentrated into viscous liquid, heating is stopped, the viscous liquid is poured into a crucible, the crucible is placed in a resistance furnace, ignition is conducted at the constant temperature, and after heat preservation is conducted for two minutes, powder is obtained; the PVA is adsorbed on the surfaces of the powder particles, so that a layer of film is formed among the powder particles for reducing friction force, the powder has high apparent density after granulation and low volume compression ratio during forming, the powder is easily pressed into a repair material with a compact structure, pores on the surface and in the repair material are reduced, and the repair material is not easy to break.

The invention discloses a preparation process of a heat-conducting and electric-conducting power module, and relates to the technical field of semiconductors, and the preparation process comprises the following steps: 1, carrying out primary sand blasting treatment on a spraying area on an aluminum radiator; 2, spraying a first copper-clad layer on the spraying area; 3, carrying out secondary sand blasting treatment on the first copper-clad layer; 4, spraying a second copper-clad layer on the first copper-clad layer; 5, laser is emitted to irradiate the second copper-clad layer, so that the surface of the second copper-clad layer is softened, a third copper-clad layer is sprayed on the second copper-clad layer, and a heat-conducting and heat-conducting electroplated copper layer is obtained; 6, eliminating the internal stress of the heat-conducting and heat-conducting electroplated copper layer by using a directional high-frequency magnetic field; and 7, directly installing a chip on the heat-conducting and electricity-conducting electroplating copper layer to obtain the heat-conducting and electricity-conducting power module. According to the process, sand blasting and cold spraying are alternately carried out, and the procedures of softening copper powder and eliminating stress are added, so that the internal stress of a copper plating layer can be eliminated, pores can be reduced, and the binding force between the copper plating layer and an aluminum radiator and the binding force between copper powder particles can be increased.

The invention relates to the technical field of spacecraft skins, in particular to a lightweight thermoplastic composite material film for a spacecraft skin. The thermoplastic composite material film is prepared by the following steps: dipping carbon fibers and a hollow ceramic tube in a mixed solution consisting of polyetherimide and graphene oxide dissolved in N-methyl pyrrolidone, and then carrying out heat treatment to obtain modified carbon fibers and modified hollow ceramic tubes; adding polyarylene ether nitrile into a double-screw extruder, melting, adding the modified hollow ceramic tube, and continuously mixing for 10-15 minutes to obtain a resin matrix; the preparation method comprises the following steps: mixing modified carbon fibers with a resin matrix, casting the mixed material to form a film, cooling to room temperature, rolling to obtain unidirectional prepregs, crosswise and symmetrically laying the unidirectional prepregs, and carrying out hot press molding to obtain the lightweight thermoplastic composite film for the spacecraft skin. The film prepared by the invention has the effects of low density, high strength and extreme climate resistance.

The application provides a high-entropy light-weight hard alloy cement high-pressure roller mill stud and a preparation method thereof and a high-pressure roller mill, and relates to the field of studs. The high-entropy light-weight hard alloy cement high-pressure roller mill stud comprises raw materials including an alloy and C powder, and the alloy, with a total mass of 100%, comprises 56-60% TiCN, 20-24% TiC and 20-24% Fe-Ni-Co-Cr-Mo-Cu alloy; the C powder accounts for 0.2-0.5% of the mass of the alloy. The high-entropy light-weight hard alloy cement high-pressure roller mill stud has a uniform distribution of metallographic microstructure, high density, few internal pores, better ductility and toughness, no collapse phenomenon in the use of multiple batches of cement mines, good wear resistance, and a service life that can be increased by 40-50%.

The invention discloses a high-strength plant cellulose-based composite paperboard and a preparation method thereof, belongs to the technical field of paperboard materials, and aims to solve the technical problem that the strength and wet strength retention rate of a plant fiber-based composite paperboard in the prior art need to be further improved. The composite plant fiber layer is composed of a plant fiber layer and interface layers arranged on the two sides of the plant fiber layer in a modifying mode. A plant fiber layer is prepared through CMC modified plant cellulose, a PEG modified inorganic reinforcing agent and a bio-based toughening agent reinforced plant fiber, a composite structure of an interface layer, a fiber layer and an interface layer is formed by arranging a double-interface layer containing lignin nano particles / carboxylated nano cellulose, and a hot-pressing curing process is combined, so that the lignin / carboxylated nano cellulose composite fiber is prepared. The strength and toughness of the plant fiber-based composite paperboard are effectively improved, and the wet strength retention rate of the material is also effectively improved.

The invention relates to a rare earth target material and a preparation method thereof, and provides a rare earth cerium target material with long-life stability in the air. The target material adopts a high-purity metal cerium raw material, and is smelted into a metal melt by a water-cooled crucible suspension smelting method; then, an ingot is pulled down to obtain a metal cerium ingot, and the obtained metal cerium ingot is rolled, cut and processed, and heat-treated; after the heat treatment and cooling, the cerium target material is subjected to hydrogen plasma treatment, and a high-quality cerium target material with a cerium content of ≥99.99wt%, a density of >98%, and an oxygen content of <500ppm is obtained by performing a specific hydrogen plasma treatment on the surface of the target material, thereby effectively improving the oxidation resistance of the cerium target material, and without introducing other impurity components, the target material can be directly used for sputtering and coating without pretreatment, is easy to use, can be industrially produced on a large scale, has low cost, has good oxidation resistance and storage stability, and can realize large-scale industrial production.

The invention relates to the technical field of preparation of foam glass, in particular to high-strength and low-heat-conductivity foam glass and a preparation method thereof. The problems that existing foam glass is low in strength and high in heat conductivity are solved. According to the foam glass, waste glass and glass fibers are used as raw materials, silicon carbide is used as a foaming agent, borax is used as a fluxing agent, trisodium phosphate dodecahydrate is used as a foam stabilizer, modified polyurethane and silicon dioxide aerogel are used for modifying the foam glass, the porous structure advantage of the aerogel enables heat to be transmitted along a slender framework of the aerogel, the heat transfer flux is low, and the foam glass has good heat transfer performance. The heat loss in the transmission path is large, and due to the existence of the aerogel particles, the solid-phase transmission path of heat in the foam glass is more complex, the CF3 group low surface energy reduces the heat convection path and inhibits the solid-phase heat conduction, so that the foam glass has a lower heat conductivity coefficient, and the mechanical strength of the material is improved. Therefore, the durability and thermal insulation performance of the foam glass are enhanced.

The invention discloses a magnesium alloy back plate integrated die-casting die and belongs to the technical field of metal casting equipment. The bottom of a fourth supporting plate is fixedly connected with an upper die through a plurality of second connecting rods, mold cores are arranged on the two sides of the bottom of the upper die respectively, a cooling mechanism is arranged at the bottom of the fourth supporting plate, and a lower die is arranged at the tops of a plurality of fixing sleeves; cavities are respectively formed in two sides of the lower mold. The vacuum cavities are reserved between the two mold cores at the bottom of the upper mold and the mold cavity in the lower mold, the supporting mechanism supports the upper mold and the lower mold, the vacuumizing mechanism vacuumizes air in the vacuum cavities, magnesium alloy molten liquid is cast and flows into the mold cavity to form a magnesium alloy back plate casting, and the mold cores are circularly cooled. After cooling, the magnesium alloy back plate casting in the cavity is ejected out by the multiple ejection mold heads on the ejection mold plate, demolding of the magnesium alloy back plate casting is facilitated, the defects of the die casting can be reduced, the forming quality of the die casting and the overall density of the die casting are improved, and the die casting mold has the advantage of being high in yield of the die casting.

The invention relates to the technical field of dielectric strength, and discloses a process method for enhancing the dielectric strength of a non-conductive composite material, which comprises the following steps: evaluating the bearable maximum pressure # imgabs0 # of the existing non-conductive composite material, and selecting the pressure not greater than the maximum pressure # imgabs1 # to set an autoclave; sampling is carried out in a test piece applied by the non-conductive composite material, and layering parameter analysis is carried out according to an original structure of a sampling part; by learning historical production data, the lowest void ratio of different process parameter combinations is predicted. On the basis of not adjusting any structural design, an algorithm is utilized to predict a better parameter combination, and then according to the parameter combination, the pressurizing process requirement is adjusted, and the structural compactness is increased, so that the internal void ratio is reduced, and the improvement of the dielectric strength of the structure of the non-conductive composite material can be realized; and the applicability of the non-conductive material in lightning protection is facilitated.

The invention provides full-phosphogypsum-based concrete and a composition and mix proportion design method thereof. The method comprises the following steps: S10, determining material composition: adopting sulphoaluminate cement fired by phosphogypsum as a sole cementing material, directly adopting phosphogypsum particles as aggregate, and directly adopting undisturbed phosphogypsum as a retarder; and S20, performing mix proportion design based on the composition materials, including S21, grading optimization design for specific aggregate: performing grading optimization design on phosphogypsum particles by adopting a corrected Andriasen model based on a close packing theory to obtain a close aggregate packing state, and S22, performing grading optimization design on the phosphogypsum particles by adopting a modified Andriasen model based on the close packing theory to obtain the close aggregate packing state. And S22, slurry-to-bone ratio design based on the compact aggregate accumulation state: based on an excess slurry theory, calculating the total slurry volume percentage according to the real void percentage of the phosphogypsum particles and the additional slurry volume percentage required for aggregate separation, and finally determining the slurry-to-bone ratio. The technical problems of existing concrete in the aspects of cementing materials, aggregates, retarders and performance optimization are solved.

This application relates to the field of monolithic refractory materials, specifically disclosing a self-flowing, densified, cement-free refractory castable and its preparation process. The self-flowing, densified, cement-free refractory castable includes aggregates, binders, admixtures, a modified water-reducing agent, and water. The preparation method of the modified water-reducing agent includes the following steps: adding an aqueous solution of methacryloyloxyethyl phosphate, methoxy polyethylene glycol acrylate, acrylic acid, methacryloyloxypropyltrimethoxysilane, and mercaptoacetic acid to water to obtain solution A; adding ammonium persulfate and ammonium bisulfite to water and mixing thoroughly to obtain solution B; adding water to a reaction vessel, heating, and simultaneously adding solutions A and B dropwise to the reaction vessel; after the addition is complete, maintaining the temperature to continue the reaction, cooling, and adjusting the pH with triethanolamine to obtain the modified water-reducing agent. The refractory castable in this application has excellent self-flowing molding, a highly dense structure, and high-temperature resistance and slag corrosion resistance.

This invention provides a mixed aggregate mine backfill material of ultra-fine iron tailings sand and steel slag sand and its preparation method, belonging to the field of building materials. The mixed aggregate mine backfill material of ultra-fine iron tailings sand and steel slag sand provided by this invention comprises the following components in parts by weight: 6-13 parts iron tailings powder, 9-20 parts slag powder, 0.5-1 part desulfurization ash, 20-38 parts ultra-fine iron tailings sand, 10-28 parts steel slag sand, 0.6-1.4 parts activator, and 25-41 parts water. The mixed aggregate mine backfill material of ultra-fine iron tailings sand and steel slag sand provided by this invention has a 120-day shrinkage rate as low as 2.12% and a 28-day compressive strength as high as 7.68 MPa, exhibiting low shrinkage and high compressive strength.

The present application relates to the field of tool processing, and discloses a hard alloy tool material and a preparation method thereof, and the prepared hard alloy tool material has high strength, high hardness and high toughness, and the tool prepared by using the hard alloy tool material has high wear resistance, impact strength and fracture toughness, and is particularly suitable for processing external threads of petroleum pipes and internal threads of couplings, and is also suitable for processing nickel-based alloys, heat-resistant stainless steel and other materials.

The application relates to the technical field of plastic processing equipment, and discloses an environment-friendly plastic granulator for plastic processing, which comprises a bottom box, a treatment barrel for dehumidifying and processing recycled plastics is arranged at the top of the bottom box, a granulation main machine box is arranged on one side of the treatment barrel, and the recycled plastics after multiple treatments in the treatment barrel are subjected to granulation processing treatment; and a preliminary treatment mechanism is used for preliminarily dehumidifying and processing the recycled plastic raw materials after a cleaning process. By increasing and arranging an auxiliary treatment mechanism, the mechanism can not only replace the wet steam in the material pores by dry nitrogen during the pulse drying process, strengthen the removal effect of the internal pore water of thick-wall materials, and improve the defect that the outside is dry and the inside is wet in the traditional drying process, but also remove the combined water in the intermolecular gap of the melt by the nitrogen gas stripping effect during the melt granulation stage, further reduce the hydrolysis reaction probability in the melt state, and reduce the internal bubble defects of the melt.

The invention belongs to the technical field of metal composite material preparation, and particularly relates to a special-shaped tungsten-copper-steel composite assembly and a preparation method and application thereof, and the preparation method sequentially comprises the steps of workpiece primary machining, assembling, seal welding, hot isostatic pressing, sheath dismounting and the like. According to the method, one-step diffusion welding of three heterogeneous metals and two heterogeneous interfaces is achieved through the hot isostatic pressing process, oxygen-free copper / copper alloy and copper alloy / steel connection of the two heterogeneous metal interfaces is tight and stable, the high interface bonding strength of the special-shaped tungsten-copper-steel composite assembly is guaranteed, the process steps are few, and the cost is low. The problems that an existing preparation method is complex in process, low in efficiency and high in price are solved. The composite assembly can be used as a special-shaped tungsten copper steel active water cooling plasma facing part and is applied to a nuclear fusion divertor device.

The invention belongs to the technical field of water pollution control and treatment, particularly relates to a sludge treatment device, and aims to solve the problems that existing sludge treatment equipment is poor in dewatering-anti-blocking collaboration, poor in treatment parameter pertinence, low in heat energy recovery efficiency, poor in forming effect and insufficient in equipment integration degree. Two supporting plates are fixedly mounted at the top of the bottom plate, the conveying and feeding mechanism is arranged on the two supporting plates and comprises a conveying cylinder, and a plugging cover is arranged at an opening of the conveying cylinder. Through the collaborative design of three-stage variable-pitch screw extrusion dewatering, memory metal filter screen heating anti-blocking, sludge component real-time detection, dosing, stirring and conditioning, extrusion shaping and drying integration and precise waste heat recovery and preheating, the problems that existing equipment is low in dewatering efficiency, prone to blockage, high in energy consumption and poor in forming effect are solved; the efficient, energy-saving and stable treatment of the sludge is realized.

The invention relates to the technical field of electronic component packaging, in particular to an electronic device packaging thermocuring device and method which can meet the packaging requirements of different electronic devices, especially thermosensitive printing head IC packaging, can carry out reliable bubble removal treatment and humidity control on curing glue, and can remarkably improve the production efficiency and the packaging quality. A material conveying mechanism is arranged in the curing bin, the curing bin is sequentially provided with a preheating defoaming bin body, a low-temperature curing bin body and a high-temperature curing bin body in the material conveying direction, tray sensors are arranged in the positions, close to an inlet and an outlet of the bin body, of the interior of each bin body respectively, and the tray sensors are used for detecting whether material trays are in place or not currently. Cabin doors and cabin door opening and closing control parts are arranged between the cabin bodies, and the material conveying mechanism is provided with a preheating defoaming cabin conveying mechanism, a low-temperature curing cabin conveying mechanism, a high-temperature curing cabin conveying mechanism and a discharging conveying mechanism which are independently driven and controlled respectively and correspond to the cabin bodies.

The invention belongs to the technical field of gel materials, and mainly provides rapid-reinforcing early-strength repairing type mortar and a preparation method thereof.The preparation method comprises the following steps that metering and even mixing are conducted, specifically, rapid-hardening sulphoaluminate cement, Portland cement and fly ash are weighed and evenly premixed, and a gelling component A is obtained; weighing steel slag and quartz sand, and uniformly mixing to obtain an aggregate component B; weighing a water reducing agent, an early strength agent, a retarder and half of the total weight of water, and uniformly mixing to obtain an admixture component C; stirring: adding the aggregate component B and water accounting for 1 / 4 of the total weight, rapidly mixing and stirring, adding the gelling component A, continuously stirring, adding the additive component C and water accounting for 1 / 4 of the total weight, and continuously stirring, so as to prepare the rapidly-reinforced early-strength repair mortar. And molding and curing. The uniformity is improved through grouping premixing, the interface bonding performance is improved through staged stirring, the defects of insufficient early strength caused by uneven components, poor interface, slow hydration and the like in traditional preparation are overcome, and the early strength advantage is fully exerted.

This invention relates to the field of repair materials technology, and discloses a binary composite fiber-reinforced epoxy resin-based rapid repair material and its preparation method, comprising the following raw materials in the indicated mass ratios: 259.85g epoxy resin, 89.36g curing agent, 25.99g diluent, 24.22g toughening agent, 1200g fine aggregate, 259.85g filler, 1.04g defoamer, 0.78-2.34g basalt fiber, and 15.59-31.18g calcium sulfate whiskers. In this invention, the large-scale basalt fiber and the small-scale calcium sulfate whiskers are mixed and incorporated into the binary composite fiber-reinforced epoxy resin-based rapid repair material and its preparation method. The abundant freely distributed fibers can constrain the propagation of microcracks of different sizes and regions within the repair material matrix, effectively improving the shortcomings of conventional epoxy resin-based repair materials, such as poor early performance, high brittleness, and insufficient toughness, achieving a balance between high early strength and high toughness in the epoxy resin-based repair material.