53results about How to "Uniform hole" patented technology

The invention relates to a flour modifier and use thereof, in particular to a steamed bread slice making flour modifier and use thereof. The flour modifier comprises an enzyme preparation, an oxidant,an emulsifier, a swelling agent, a phosphate and starch, can be used for making wheaten food product such as steamed bread and steamed bread slices, improve the structure of steamed bread slices, make the hole in the steamed bread slices more uniform, provide the steamed bread slices with good appearance and improve the crisp degree and yield of the steamed bread slices.

The pore sealing moisture-proof anticorrosive composite coating material includes pore sealing material and moisture-proof anticorrosive material. The pore sealing material includes gel with high solid phase content as the basic phase and filler(s) in the amount of 10-100 % of the solid phase component. The moisture-proof anticorrosive material is sol, hydrophobic organic matter or their mixture. The pore sealing moisture-proof anticorrosive composite coating material is prepared through the four steps of preparing pore sealing material, preparing moisture-proof anticorrosive material, preparing pore sealing coating and preparing moisture-proof anticorrosive coating. The pore sealing moisture-proof anticorrosive composite coating material has excellent water permeation arresting performance, high hydrophobicity and high corrosion resistance.

The present invention provides a glass composition that allows holes with a circular contour and a smooth inner wall to be formed by a collective micro-hole-forming process using a combination of modified portion formation by ultraviolet laser irradiation and etching, the glass composition being adapted for practical continuous production. The present invention relates to a glass for laser processing, the glass including a metal oxide serving as a coloring component, the glass having a glass composition including, in mol %: 45.0%≦SiO₂≦68.0%; 2.0%≦B₂O₃≦20.0%; 3.0%≦Al₂O₃≦20.0%; 0.1%≦TiO₂≦5.0%; and 0%≦ZnO≦9.0%, wherein a relationship of 0≦Li₂O+Na₂O+K₂O<2.0% is satisfied.

The invention discloses a preparation method of a graphene-based thick and dense electrode. The method comprises the following steps of preparation of graphene hydrogel, compounding of graphene and a salt component, aerogenesis and removal of the salt component and preparation of the graphene-based thick and dense electrode. According to the method, a three-dimensional porous graphene block material is prepared according to the pore-forming effect of aerogenesis salt on a graphene network in the heating process. Compared with other pore-forming methods, the aerogenesis salt does not etch graphene in the heating process, the yield of the graphene is high, and the method is suitable for batch production of the porous graphene material; gas generated after heating is removed, and therefore the obtained graphene has few impurities and is high in purity; a small quantity of remaining impurities occupy pores of the graphene, and a secondary pore-forming effect is achieved on the graphene network after washing. The graphene is of a three-dimensional formed block structure and can be directly applied to an electrode material, the electrode has large thickness and density, and the processing step of preparing the electrode from powdery graphene is avoided.

The invention discloses a construction method of a drilling device for a complex high and steep side slope. The drilling device comprises a drilling machine support, a drilling machine base and a drilling machine; the drilling machine support comprises a sliding plate, a chassis is arranged on the sliding plate, the front end of the chassis is hinged to the front end of a platform, a supporting component is hinged to the platform and connected with a chassis fastener, and the width of the chassis and the width of the platform are adjustable; and the drilling machine comprises a power distribution system, an air compression system, a gear, a rock drilling component, a soil drilling component, a drill rod and a drill bit. The construction method comprises the following steps of 1, pulling the drilling machine support to a specified position; 2, unfolding and locking the support; 3, adjusting the angle between the chassis and the platform; 4, mounting the drilling machine; and 5, startingdrilling. The device solves the problem that it is difficult to drill in the complex high and steep side slope, can adapt to various rock-soil body stratums, can cope with complex slope surface conditions such as concavo-convex surfaces and flourishing forests, is flexible in action and safe and reliable in performance, and can fully cope with existing complex high and steep side slope reinforcement engineering.

The invention provides a preparation method of a sintered anode foil for an aluminum electrolytic capacitor. The preparation method comprises the following steps: S1, preparing aluminum powder slurry;s2, making the uniformly mixed slurry into a film on a substrate and curing the film; s3, degreasing the substrate obtained in the S2; s4, sintering the substrate obtained in the S3; and S5, formingthe substrate obtained in the step S4. According to the method for sintering the anode foil, it can be guaranteed that degreasing is clean and complete, the state in the sintering process is stable, overburning is avoided, and holes are uniform after sintering.

The invention discloses a method for preparing and synthesizing an NbCr2 intermetallic compound porous material through a reaction of Cr powder and Nb powder. The method comprises the steps as follows: 1), the Cr powder and the Nb powder which have the atomic percent of 2:1 and a grinding ball are placed into a ball grinding tank, the tank is sealed, and ball grinding is performed; 2), a proper quantity of a binding agent is added into the fully-mixed powder, and the mixture is pressed into sheet briquettes after uniform mixing; and 3), briquette-pressing is performed, a sectional type sintering process is adopted, and sintering is performed in a vacuum sintering furnace, so that the Cr powder and the Nb powder have a reaction fully, so that the intermetallic compound NbCr2 is formed. According to the method, the Laves-phase NbCr2 intermetallic compound porous material is synthesized, and the porosity of the synthesized porous material reaches 35%-55%.

The invention discloses a method for preparing foam glass with a high foaming rate by utilizing a lead-free high-barium abandoned lamp tube and belongs to the field of foam glass. The method comprises the following steps: carrying out ball milling on the lead-free high-barium abandoned lamp tube to form a glass powder raw material; feeding foaming agents, namely manganese dioxide and calcium carbonate, a fluxing agent, namely sodium fluorosilicate, and a stabilizer, namely sodium phosphate into a ball mill to be subjected to ball milling; feeding mixture obtained through ball milling into a high-temperature-resistant mould, preheating for 15-20 minutes at the temperature of 400-430 DEG C, then heating up to 800-820 DEG C, and carrying out heat preservation for 20-30 minutes; then cooling to 500-550 DEG C, annealing, and carrying out heat preservation for 35-40 minutes; and finally carrying out furnace cooling to room temperature. The prepared foam glass is uniform in pore diameter, closed pores are formed mainly, the average pore diameter reaches about 4.2mm, the density is 0.58g/cm<3>, the compressive strength is 3.78MPa, the performance is excellent, and the application standard of the foam glass can be met.

The invention relates to a punching machine, in particular to a water spraying belt punching machine. According to the water spraying belt punching machine, punching is more uniform, a water belt canbe compressed, and the water spraying belt can be tensioned. According to the technical implementation scheme, the water spraying belt punching machine comprises a base, a first rack, a first rotatingrod, a mounting plate, a first gear, a first disc, a first belt wheel, a second gear, a second disc, a needle rod and the like; the top of the base is sequentially provided with a second rack, the mounting plate, a motor and the first rack from left to right; the first rotating rod is rotatably arranged on the upper part of the left side of the first rack; the water belt is wound on the first rotating rod; and the first gear and the second gear are rotatably arranged on the front side of the mounting plate. The water spraying belt punching machine is provided with a first screw rod, a U-shaped seat and a second idler wheel, people rotate the first screw rod to enable the U-shaped seat and the second idler wheel to move up and down so as to adjust the tightness of the water belt, and thusthe situation that the needle rod is missed when the water belt is too loose or too tight, and then the punching quality is affected can be prevented.

The invention relates to injectable hydrogel as well as a preparation method and application thereof. The injectable hydrogel is obtained by taking gelatin and tannic acid as raw materials and carrying out chemical crosslinking under the catalysis of transglutaminase. Gelatin molecular chains in the injectable hydrogel form a network structure under the action of amido bonds, polyphenol hydroxyl groups of the tannic acid and amino groups on the gelatin chains have hydrogen-bond interaction, the polyphenol hydroxyl groups of the tannic acid can be spontaneously complexed under an alkaline condition, and finally the injectable hydrogel is endowed with excellent adhesion performance; the material and tissues are adhered, the performance of the material is promoted, the injectability of the material is improved, the gelling time is shortened, the clinical operation is easy, and the mechanical property is improved. The hydrogel material can realize adhesion and efficient retention of defective tissues, is suitable for filling various irregular-shaped defects, can efficiently promote the performance of the material to play, and realizes repair of the defective tissues.

The invention discloses a preparation process of macroporous sodium polyacrylate embolism microspheres, and relates to the technical field of medical instruments, the macroporous sodium polyacrylate embolism microspheres are subjected to suspension polymerization by taking a dispersing agent and water as continuous phases and taking a monomer acrylate compound, a cross-linking agent polyolefine compound, a pore-foaming agent and an initiator as dispersion phases, and the macroporous sodium polyacrylate embolism microspheres are obtained. And carrying out a hydrolysis process to obtain the macroporous sodium polyacrylate embolization microspheres. The prepared macroporous sodium polyacrylate embolization microspheres have high elasticity and large drug loading capacity. According to the invention, a suspension polymerization process is adopted for the first time, and the obtained macroporous microspheres have better intragranular microporous channels, are convenient for intragranular diffusion of molecules, have better ion exchange kinetics performance, are more suitable for medium-molecular chemotherapeutic drugs to quickly enter the microporous channels and exchange of functional groups, and greatly improve the drug loading capacity; the macroporous microspheres are more uniform in polymerization, and have higher strength and better elasticity compared with the macroporous microspheres.

The invention discloses a construction method of a spiral impact drilling device suitable for rock and soil. The drilling device comprises a drilling machine system and a drilling machine support, wherein the drilling machine support comprises a walking chassis mechanism, a rotating mechanism is arranged on the chassis mechanism, a working platform is arranged on the rotating mechanism, a drivingand operating room is arranged on the working platform, a movable arm is arranged at the front end of the working platform, and the front end of the movable arm is connected with the drilling system;and the drilling system comprises a power distribution system, an air compression system, a rock drilling component, a soil drilling component, a gear, a drill rod and a drill bit. The construction method comprises the steps of enabling the drilling machine support to travel to a designated position; installing a drilling system; adjusting the initial height and the drilling angle of the drill bit; and starting drilling. According to the construction method, the problem that drilling equipment cannot be suitable for different soil layers can be solved, and the method can adapt to different stratum conditions since the drilling angle can be accurately controlled and high maneuverability is achieved; moreover, the method is environmentally-friendly and can save energy and reduce noise; and in addition, the drill bit is firm and reliable, and therefore the method is suitable for slope and foundation pit supporting engineering.

The invention discloses a preparation method for foam glass used for a continuous furnace thermal insulation layer. The preparation method comprises the following steps: S1: sending raw material wasteglass, 0.5-1wt% of foaming agent calcium carbonate, 5-7wt% of fluxing agent sodium fluosilicate and 6-7wt% of stabilizer sodium phosphate into a planetary ball mill to be grinded to obtain mixed materials; S2: sending the grinded mixed materials into a high temperature resistant die, preheating at the temperature of 450DEG C for 25-30min, raising the temperature to 850-860DEG C to be foamed, keeping the temperature for 40-45min, cooling to 520-530DEG C to be annealed, keeping the temperature for 50-60min, finally, cooling to the room temperature along with the furnace, and thus obtaining thefoam glass. The prepared foam glass has even aperture, most holes are closed holes, average aperture is about 1.5mm, density is 0.88g/cm<3>, compressive strength is 5.78Mpa, a heat conductivity coefficient is 0.168W/m<2>.K, each piece of performance is excellent, and the use requirement of the foam glass can be met.

The invention discloses a foam metal processing technology. The foam metal processing technology comprises the steps that an aqueous solution of anionic surfactants, nano conductive carbon slurry andan electroplating solution C are prepared, and a non-metallic insulating foam sponge is cleaned by the aqueous solution containing the anionic surfactants; the cleaned and dried foam sponge is drawn to a material holding groove containing the nano conductive carbon slurry for walk-dipping, then the foam sponge is drawn to a double-roll machine for extrusion, and the extruded dipped foam sponge isdrawn to a hot air drying device for walk-drying; and the dried dipped foam sponge is put into electroplating equipment for electroplating required metal. The foam metal processing technology has a simple preparation process and low processing cost, and the prepared foam metal has higher porosity, more uniform holes, more obvious three-dimensional network structure and lower cost.

The invention relates to an ultra-microbubble additive for a warm mix asphalt mixture. A preparation method of the additive comprises the following steps: mixing natural minerals, sodium carbonate andlime, performing sintering, dissolving out metal oxides by using an alkali solution, adding a purification agent to obtain a mother solution, synchronously adding the mother solution and water glassinto a reaction vessel, performing slurrying under stirring to form gel, adding an adhesive and a guiding agent, performing thermostatic waterbath for crystallization, performing liquid-solid separation, performing washing, performing drying, performing grinding, and adding a dispersing agent. The finished product provided by the invention has good crystallinity, uniform pores and a low price, thecompaction temperature can be significantly reduced when the addition amount is 0.25 wt%, the road performance of the asphalt mixture is improved, and the additive is high-efficiency and environmentally friendly, and has the effects of modification and reducing warm-mix temperature.

The invention provides an aluminum foil gluing machine. The machine comprises a rack, an unwinding mechanism, a portal frame, a shearing mechanism and a finished product discharging table, the unwinding mechanism, the portal frame and the shearing mechanism are arranged on the rack from left to right, the finished product discharging table is arranged on the right side of the shearing mechanism, a punching mechanism and a fattening mechanism are arranged below the portal frame, the punching mechanism is used for punching aluminum foil, and the flattening mechanism is used for flattening pinholes in the aluminum foil, the gluing mechanism is arranged at the left end of the portal frame, an air drying mechanism is arranged above the portal frame, a traction mechanism for pulling the aluminum foil to move forwards is arranged at the right end of the portal frame, the aluminum foil is led out of the unwinding mechanism, enters the punching mechanism through a guide roller to be punched, enters the flattening mechanism to flatten the pinholes after being punched, and then enters the gluing mechanism to be glued, after gluing, air drying is conducted through the air drying mechanism, and after air drying, the aluminum foil enters the shearing mechanism through the traction mechanism to be cut off and enters the finished product discharging table after being cut off. According to the machine, continuous operation of punching, flattening, gluing, drying and shearing is achieved, the gluing efficiency is high, and the gluing effect is good.