31results about How to "The steps are closely connected" patented technology

The invention provides a standard preparation technology for a root carving product, which comprises the six steps, namely root timber preparation, tool preparation, auxiliary material preparation, forming, product surface coating and show adjusting. Strong applicability system production measure is adopted, root timber can be widely utilized, universality is strong, waste root timbers in drought and cold areas like Sinkiang such as birch, populus and diversifolia are adopted, and the technology is rich in local style, standard in technology, tight in step join, short in carving treatment period, high in manufacturing efficiency, less in material wastage, and rich in style, can better express root carving technology, and is suitable for environment protection, and convenient to operate, manual consumption is greatly decreased, and the product quality is easy to control.

The invention provides a high-performance magnesia carbon brick and a preparation method thereof. The high-performance magnesia carbon brick is mainly prepared from the following raw materials in parts by mass: 60-75 parts of fused magnesite particles, 10-25 parts of 120-400-mesh fused magnesite fine powder, 1-5 parts of aluminum powder, 0.1-5 parts of a spinel-calcium aluminate multiphase material, 10-16 parts of crystalline flake graphite and 2-4 parts of a binding agent, wherein the fused magnesite particles are prepared by mixing three kinds of particles with the particle size of 3-5 mm, 1-3 mm and 0.075-1 mm according to the mass ratio of (3-5):(3-5):(2-4). According to the magnesia carbon brick, the spinel-calcium aluminate multiphase material is introduced, so that a low-melting-point substance is generated on the surface of the magnesia carbon brick at a high temperature, thermal stress is relieved, thermal shock damage and mechanical damage are reduced, and therefore the purpose of preventing the magnesia carbon brick from cracking is achieved.

The invention discloses an automatic billet-taking device and a billet-taking method for a magnetic material hydraulic press, and belongs to the technical field of magnetic material production equipment. It includes a controller for controlling the entire equipment, a blank take-off machine arranged on the discharge side of the hydraulic press, and a blank take-off robot arranged on any side of the blank take-off machine, the blank take-off robot and the blank take-off machine are respectively It is electrically connected with the controller, and the blank taking robot sequentially takes away at least one layer of magnetically formed blanks coded on the blank taking machine. The present invention adopts the robot with small size and small footprint, which can better meet the needs of intelligent production for some enterprises with relatively narrow sites, and is suitable for the large-scale production of enterprises; Take away at least one layer of magnetically formed blanks stacked on the blank taker, and place the blanks neatly on the pallet. The magnetically formed blanks are not easy to be damaged, and the production pass rate of blanks is high, which reduces manual blanking and effectively improves work efficiency.

The invention provides a fine spinning fabric. In the fine spinning fabric, the wool content is controlled in 40-50 wt%, the mulberry silk content is controlled in 50-60 wt%, and the metric count is above 300 s/2. The processing method includes: (A), blending mulberry silk, water-soluble fibers and wool, plying the mixture and the mulberry silk to form yarns, and weaving the yarns into an ultrathin fabric; (B), soaking the ultrathin fabric in water at the temperature of 70-80 DEG C, taking the ultrathin fabric out of water and allowing the ultrathin fabric to stand for 4-5 hours, allowing the water-soluble fibers to fully expand, soaking the ultrathin fabric in water at the temperature of 80-90 DEG C for 40-60 min, and performing vinylon dissolution to acquire the fine spinning fabric. The metric count of fine spinning fabric can reach above 300s/2; and the fine spinning fabric has advantages of fine and smooth performance, warming performance and the elasticity of the wool, has the advantages of light and soft performance and natural gloss of the mulberry silk, can meet the ultrathin demand, and has high serviceability.

The invention provides a coumarins compound. The chemical name is 4-hydroxyphenyl-5-para hydroxyphenylethyl-7-hydroxyl-3,4-dihydrocoumarin. An extracting method comprises the steps that oil tea leaves are extracted in a heating mode and concentrated to obtain a concentrated solution, and the concentrated solution is adsorbed by D101 macro-porous resin, and then eluted sequentially with distilled water and an ethanol solution; silica gel chromatography is carried out on eluant eluted through the ethanol solution, and the eluant is collected with 400-500 mL as one unit; silica gel chromatography is carried out on the second unit of the collected eluant, dichloromethane-methyl alcohol is adopted as a moving phase, the eluant is collected with 90-100 mL as one unit, and after the eluant of the units from 12 to 14 is merged, separation and extraction continue to be carried out to obtain the compound. The coumarins compound is a novel single compound, purity is high, components are definite, no impurity exists, and the compound is obtained for the first time through extraction and purification, which has pioneering significance.

The invention provides a slag pretreatment method and a preparation method of a supercapacitor electrode material. The slag pretreatment method comprises the steps of: carrying out high-temperature sintering on nickel-molybdenum slag at 800-1000 DEG C for 4-6 hours, then reducing the temperature to 600 DEG C, and placing the sintered nickel-molybdenum slag in pure water for washing the slag, and drying the slag; grinding the dried nickel-molybdenum slag, and screening with the ground slag with a screen of 800 meshes or above to obtain slag powder; and soaking the slag powder in hydrochloric acid, adding NH3 water to carry out hydrothermal reaction with thiourea, and cooling and drying a reaction product after finishing the reaction. According to the slag pretreatment method and the preparation method of the supercapacitor electrode material of the invention, the slag is used for preparing the supercapacitor electrode material, so that energy recycling, energy conservation and environmental protection are realized; the slag is pretreated to a certain degree, so that the slag is more suitable for being used as a raw material of the supercapacitor electrode material, and the obtained material has very strong electrochemical performance through detection.

The invention relates to refractory brick double-station fast-switching forming equipment comprising a press. The press comprises an upper mold seat, a lower mold seat and a male mold; a loading tablea and a loading table b are arranged on the two sides of the press correspondingly; the press further comprises a female mold assembly, the female mold assembly comprises a female mold a and a femalemold b movably connected with the female mold a, the female mold a and the female mold b are both provided with guiding-in grooves, and matching blocks are arranged in the guiding-in grooves; the loading table a is provided with an adding mechanism a and a vibrating mechanism a; the adding mechanism a adds sandy soil into the female mold a, and after the sandy soil is added, the vibrating mechanism a vibrates the loading table a; the loading table b is provided with an adding mechanism b and a vibrating mechanism b; and the adding mechanism b adds sandy soil into the female mold b, and afterthe sandy soil is added, the vibrating mechanism b vibrates the loading table b. According to the refractory brick double-station fast-switching forming equipment, the technical problems that potential safety hazards exist when manual penetrating is conducted between mold seats for adding, the adding efficiency is low, the added sandy soil needs to be leveled manually, the leveling effect is poor,and the function that ceramic strips are placed into the sandy soil to be integrally formed is not achieved are solved.

The invention provides a preparation method of a modified carbon fiber/SiO2 aerogel composite material. The preparation method comprises the following steps: carrying out desizing and nitric acid oxidation treatment on carbon fibers, and carrying out surface modification grafting treatment on the carbon fibers by using silane coupling agents KH-550 and KH-560 to obtain modified carbon fibers; and uniformly stirring and dispersing the modified carbon fibers and silicon dioxide wet gel, drying, aging, carrying out hydrophobic modification, soaking, and carrying out freeze drying. According to the preparation method of the aerogel composite material, the modified carbon fibers are adopted to enhance the performance of the SiO2 aerogel, the SiO2 aerogel and the modified carbon fibers are subjected to chemical crosslinking combination, compared with a previous physical combination mode, the mechanical performance of the aerogel composite material is more excellent, the whole operation method is simple, the operation condition is mild, step linkage is tight, and the prepared material is good in performance.

The invention relates to a manufacturing method of a needled felt for thermoplastic resin. The manufacturing method comprises the following steps: uncoiling a thermoplastic glass-fiber fabric through an uncoiling shaft, placing thermoplastic short-cut glass fibers on a yarn frame behind an uncoiling device, and conveying the thermoplastic short-cut glass fibers to a short cutting device above the uncoiling device through a yarn guide pipe of the yarn frame; uniformly scattering the thermoplastic short-cut glass fibers through a rotating mace to enable the scattered thermoplastic short-cut glass fibers to fall on the upper surface of the thermoplastic glass-fiber fabric on the uncoiling device below; and conveying the thermoplastic glass-fiber fabric with the thermoplastic short-cut glass fibers into a needling device, an edge cutting device and a coiling device through conveying belts to obtain the finished product. The prepared needled felt for thermoplastic resin adopts the thermoplastic glass-fiber fabric as basic cloth, and the thermoplastic short-cut glass fibers are combined with the thermoplastic glass-fiber fabric in a needling manner, so that the prepared needled felt for thermoplastic resin has advantages of high longitudinal and transverse strength, low probability of deformation, high porosity, rapid melting and soaking of thermoplastic resin and the like. The production line has advantages of compact and reasonable flow design and convenience in operation.

The invention relates to the field of portable processing and manufacturing, in particular to a linear motor type portable forming device and a portable forming method. The linear motor type portableforming device comprises a working plate, a transmission mechanism, a gluing mechanism, a linear motor, a cutter, a folding mechanism, a pressing block and a separating mechanism; the transmission mechanism is arranged on a transverse side plate of the working plate; the linear motor is arranged at the upper part of the transverse side plate of the working plate and is arranged at the rear end ofthe gluing mechanism; the cutter is arranged on one side of the tail end of a paper groove below the gluing mechanism, and is arranged below a motor sliding block; and the folding mechanism is arranged at the rear end of the cutter. According to the portable forming device and the portable forming method, the portable manufacturing can be rapidly and effectively finished by utilizing the orderly process steps which are tightly connected.