343results about How to "Continuous preparation" patented technology

A method for forming at least one three-dimensional article through successive fusion of parts of a powder bed, which parts correspond to successive portions of the three-dimensional article, said method comprising the steps of: providing at least one model of said three-dimensional article, wherein said model of said three-dimensional article is described in a 2-dimensional angular coordinate system; applying a powder layer on a support structure; directing at least one energy beam from at least one energy beam source over said powder layer causing said powder layer to fuse in first selected locations according to said model to form a first portion of said three-dimensional article, providing a first portion of said powder layer simultaneous as fusing a second portion of said powder layer, wherein said second portion of the powder layer is fused along a line perpendicular to a rotational axis of said support structure.

This invention relates to an electrophoretic display comprising cells which are filled with charged particles dispersed in a solvent and are individually sealed with a polymeric sealing layer which is an integral part of the display and is curved.

To provide a mixing device which prevents generation of lumps and undissolved powder in mixing the powder and liquid, and can continuously mix them and uniformly at a desired concentration, and to provide a method therefor. The constant quantity of powder 10 is fallen continuously by gravity into the central part of a cylindrical vessel 1 and the falling powder is mixed with the injection-flow liquid by injecting the liquid from an injection opening 12 installed along the peripheral direction of the lower cylindrical part 4 of the cylindrical vessel 1.

The present invention provides a fastener strip having magnetic powders not distributed through the entire volume thereof and contained in individual discontinuous identification areas thereof. This fastener strip has a substrate and many hook elements rising from an engaged surface of the substrate, and further has a magnetic body in a row, which rises from a surface of the substrate and is disposed below substantially a centerline and/or both lateral edges of the fastener strip. The magnetic particles are injected into the magnetic body and the substrate below the magnetic body, but, they are not dispersed through the entire substrate. The present invention also includes a manufacturing method and a manufacturing device for such a fastener strip. The present invention may function of forming an effective seal not only to accurately and suckingly position the fastener strip at a predetermined position in a metal mold but also to prevent the engaging element from being contaminated.

The invention belongs to the technical field of flexible energy storage and wearable devices, and specifically relates to a method for preparing composite fiber-shaped capacitors continuously. According to the invention, a spinnable carbon nanotube array serves as an initial material, and carbon nanotube fiber is obtained by means of dry spinning; the obtained carbon nanotube fiber is subjected to a solution mixed with fake capacitance active substances, such as an oxidized graphene aqueous solution, a manganese acetate aqueous solution, a aniline aqueous solution and a pyrroles aqueous solution, and a specific voltage is applied to the carbon nanotube fiber so as to enable the fake capacitance active substances to be deposited or aggregated on the surface of the carbon nanotube fiber; the continuously prepared carbon nanotube fiber is subjected to a phosphoric acid/polyvinyl alcohol gel electrolyte to obtain composite fiber electrodes; and finally two identical composite fiber electrodes are wound to obtain the fiber-shaped composite super capacitor. According to the invention, the continuous preparation of the fiber-shaped composite super capacitor is realized, the method is simple to operate and is applicable to large-scale production, and the prepared composite fiber-shaped super capacitor is good in flexibility and can be used in the field of flexible energy storage and wearable devices.

The invention belongs to the field of preparation of metal nano particles, and in particular relates to a method for rapidly and continuously preparing size and feature controllable metal nano particles. In the invention, through controlling a relative flow velocity of a continuously flowing metal complex solution or metal salt solution and a reducing agent solution, the proportion of a metal salt to a reducing agent in a reactor is strictly controlled, metal nano particle sol with required size and feature is prepared in the reactor by using a chemical reducing method, a target solution in the reactor is discharged through introducing nitrogen or air so that the influence of the generated metal nano particle sol to subsequent products is avoided, therefore, the continuous preparation of different sizes and features of metal nano particles is realized.

The invention provides a vertical continuous preparing device for carbon nano tube fibers. The vertical continuous preparing device comprises a carbon source injector, a tube furnace and a collecting box communicated with the tube furnace. The carbon source injector comprises a carbon source injection pump, a carbon source injection tube, a carbon source conveying tube and a flow limiting part, wherein one end of the carbon source injection tube is located in the tube furnace, the carbon source injection pump and the carbon source injection tube are communicated through the carbon source conveying tube, and the flow limiting part is arranged between the carbon source conveying tube and the carbon source injection tube. The carbon source injection pump injects a liquid-phase carbon source into the tube furnace through the carbon source conveying tube and the carbon source injection tube, a carbon source injection tube core is further arranged in the carbon source injection tube, one end of the carbon source injection tube core is arranged in the flow limiting part, and the other end of the carbon source injection tube core protrudes and stretches out of the carbon source injection tube. Compared with the prior art, the carbon source injector which is simple in structure and low in cost is adopted so that the liquid-phase carbon source can be uniformly injected and gasified, and finally the purpose of stably and continuously preparing the carbon nano tube fibers is achieved.

The invention relates to a method for preparing membrane electrode for solid polymer water electrolyte. It evaporates solid polymer electrolyte solution and forms film, couples catalytic layer composed of catalyst and solid polymer electrolyte on two sides to form integrated membrane electrode, then crystalizes membrane electrode to realize co-crystallization for solid polymer electrolyte. The combination between membrane and catalytic layer is tight and the stratification between membrane and electrode caused by gas evolution and wahsing during water electrolysis process is solved. The invention can produce solid polymer water electrolyte with high performance, high stability and high durability.

The invention provides a novel method for preparing an A-type molecular sieve membrane, which adopts preparation of the molecular sieve membrane in a flow system. The method comprises the following steps: a silicon source, an aluminum source, an alkali source and deionized water are prepared into precursor sol of A-type molecular sieve according to certain proportion first; a vector membrane tube which is precoated with A-type molecular sieve crystal seeds is fixed inside a synthesis reactor; the molecular sieve precursor sol which is heated to a given temperature is conveyed into the synthesis reactor through a slurry pump, and the precursor sol is driven to flow and circulate on the surface of an outer membrane of the vector membrane tube; and the A-type molecular sieve membrane can be obtained after flowing, circulating and crystallization for a definite time at the given temperature. The preparation method provided by the invention has the advantages that the preparation method can basically solve the problem of concentration gradient during the synthetic process of he molecular sieve, is favorable to the preparation of the uniform, continuous and compact molecular sieve membrane with superior separation performance, and is particularly suitable for preparing the molecular sieve membrane for industrial application.

A bumper beam structure includes a beam extending transversely of a vehicle and right and left corned members attached to right and left ends of the beam. The beam is mountable to front ends of right and left vehicle frame members via the right and left corner members. The beam and the right and left corner members are all extruded members. The beam is disposed with its axis in an extrusion direction oriented transversely of the vehicle. The right and left corner members are disposed with their axes in an extrusion direction oriented vertically of the vehicle.

The invention discloses a high-efficiency and low-energy-loss nanocellulose preparation method, and belongs to the technical field of nanometer material preparation. The method includes the steps of firstly, preprocessing cellulosic materials; secondly, conducting washing and filter-press concentration till the concentration is 6% or above, pumping a high-concentration sizing agent into a grinding and smashing machine through a vertical screw pump, and grinding the cellulosic materials multiple times in a circulating mode under certain pumping pressure and certain grinding process conditions, and obtaining nanocellulose. Compared with the prior art, high-concentration nanocellulose gel can be continuously and rapidly prepared, the unit product preparation energy consumption is greatly lowered, the production cost is reduced, and the production efficiency is improved. The method is simple in process step and capable of being easily implemented in an industrialized mode.

The invention is a method for continuously manufacturing an inspected liquid crystal display panel, includes: a liquid crystal cell feeding step including feeding a liquid crystal cell having a first substrate and a second substrate; a first polarizing plate providing step including providing a first polarizing plate from a first polarizing plate roll; a first polarizing plate laminating step including laminating the first polarizing plate to the first substrate; a second polarizing plate providing step including providing a second polarizing plate from a second polarizing plate roll; a second polarizing plate laminating step including laminating the second polarizing plate to the second substrate to obtain a liquid crystal display panel after laminating the first polarizing plate to the first substrate; and an inspecting step including optically inspecting the liquid crystal display panel without applying voltage to the liquid crystal panel, wherein the first substrate is less susceptible to electrostatic decay in the liquid crystal cell than the second substrate.

The invention discloses a preparation method of a debranched starch-lipid compound, and belongs to the technical field of modified starch processing. The method comprises the following steps: taking starch as a raw material, carrying out de-branching modification on the starch by adopting a de-branching enzyme, carrying out structural modification on the starch so as to improve the complexing capacity of the starch, and preparing the debranched starch-lipid compound in a water phase system by taking lipid as a ligand. Ordinary starch is used as a raw material; the debranched starch-lipid compound is prepared through enzymatic hydrolysis, de-branching modification and lipid complexing, the debranched starch-lipid compound and common starch interact with each other, the content of digestion-resistant starch in the product is greatly increased and can reach 39% at most, and the debranched starch-lipid compound has good effects of reducing blood sugar and benefiting intestinal tracts, hasa higher resistant starch content compared with that of a high-amylose corn starch-lipid compound, and is lower in cost.

The invention discloses microencapsulated aluminium hypophosphite and a preparation method therefor and application thereof and belongs to the field of materials. The microencapsulated aluminium hypophosphite is synthesized through in situ polymerization by taking aluminium hypophosphite as a capsule core and melamino-formaldehyde resin and a derivative of the melamino-formaldehyde resin as a capsule material. The microencapsulated aluminium hypophosphite prepared by the preparation method disclosed by the invention is good in compatibility with polyurethane rigid foam, and the damage on the mechanical property is less while the flame retardance is improved. The preparation method disclosed by the invention is continuous in process, short in reaction time, low in production cost, high in production efficiency and easy to realize industrial production. By adding the microencapsulated aluminium hypophosphite through a one-step foaming method, the prepared high performance polyurethane rigid foam has high flame retardance and mechanical properties.

The invention relates to a process method for continuously producing an environment-friendly biomass material by using an extruding method, and belongs to degradable environment-friendly biomass materials and the related technical field thereof. The environment-friendly biomass material is prepared by taking biomass fibers as main materials and starch as an auxiliary material; the materials are sufficiently agitated and mixed, and then are heated by a water bath; a semi-fluid state of the biomass fiber raw material is realized under a flow aiding effect after starch pasting; then the materials are continuously extruded by a screw-rod extruder and then is molded by a mould with the shape which is the same as that of an opening mould, so as to realize continuous production of the biomass materials; after being extruded, the materials are processed by processes of drying, compressing or foaming to prepare materials and products with different densities, sizes and mechanical properties. By virtue of adopting the process method provided by the invention, a continuous automatic production process of the biomass materials can be finished and the process method can be used as a former procedure for the biomass materials or the products and can also be used as a final procedure. Therefore, the cost can be saved and the production efficiency is improved.

The invention discloses a method and equipment for preparing an isosmotic disinfection cleaning solution. The method for preparing the isosmotic disinfection cleaning solution comprises the following steps of: performing ultrafiltration, active carbon filtering, micro-filtration and reverse osmosis treatment on raw water to obtain purified water; mixing the purified water with an NaCl aqueous solution to obtain electrolyte, feeding the electrolyte into an anode chamber and a cathode chamber of an electrolysis unit and continually applying direct current to the anode and the cathode of the electrolysis unit to electrolyze, wherein water with the pH value of greater than 7 is produced in the cathode chamber, and a disinfection cleaning solution with the pH value of smaller than 7 is produced in the anode chamber; and mixing the disinfection cleaning solution produced in the anode chamber with the NaCl aqueous solution and filtering with a terminal to obtain the isosmotic disinfection cleaning solution. The preparation method disclosed by the invention is scientific and reasonable, various defects existing in the prior art are overcome, continuous, stable, quick and efficient preparation of the isosmotic disinfection cleaning solution is realized, and the isosmotic disinfection cleaning solution can be applied to cleaning, disinfection and the like of medical instruments and environments such as wounds, wound surfaces, sickrooms, sick beds, clothes, endoscopes, dialysis machines and the like.

The invention discloses a semisolid metal slurry preparation device and method. The semisolid metal slurry preparation device comprises an air supplying device body, an air guiding pipe, a stirring rod and a bearing container used for containing a metal melt. The end, stretching into the metal melt in the bearing container, of the stirring rod is a stirring end. The stirring end is internally provided with a cavity. The air supplying device body is used for injecting cooling gas into the cavity inside the stirring end through the air guiding pipe when the metal melt is stirred by the stirring rod, and a processing mode of cooling and stirring is formed, so that in the stirring and flowing processes of the metal melt, the internal temperature field is uniformly distributed basically, obvious too cold gradients are avoided, the dendritic crystal growth environment is destroyed, and thus semisolid slurry with a certain proportion of near-spheroidal primary solid phase uniformly distributed in a liquid phase matrix is obtained. According to the semisolid metal slurry preparation device and method, the semisolid slurry is continuously and rapidly prepared, and continuous working is stable and reliable; the process can be simplified, the cost is reduced, and the efficiency is improved; and the industrialized application of the semisolid metal processing technology is promoted.

The invention discloses a device for the continuous preparation of a Grignard reagent and a method for the continuous preparation of the Grignard reagent through using the device. The device comprises a solvent storage container, a solvent-raw material mixing container, a raw gas storage container, a preheater, a reactor, a magnesium adding bin, a gas-liquid separator, a Grignard reagent reception container and a tail gas recovery apparatus, wherein the reactor adopts a three-phase bubble slurry column reactor. A purpose of the continuous preparation of the Grignard reagent can be realized through using the device of the invention, and initiation and heat radiation problems of a Grignard reaction can be effectively solved through adopting the three-phase bubble slurry column reactor, so potential safety hazards of material rush-out, explosion and the like caused by the severe temperature rise of the Grignard reaction can be effectively avoided, the obstruction of valves and pipelines by magnesium shreds can be prevented, and the high purity Grignard reagent can be obtained; and the tail gas recovery apparatus is arranged in the invention to absorb and recycle tail gases, so the cost is saved, and the environmental pollution is reduced, thereby cleaning and environmental protection requirements of the preparation of the Grignard reagent are realized.

The invention relates to a method for forced uniform solidified continuous preparing metal slurry, comprising that (1) melting overheat metal with the temperature more than the liquidus temperature about 0-100deg.C is poured into upper guide flow pipe; (2) the liquid metal flows into the melting deconcentrator and the liquid metal is injected on the inner round wall of melting deconcentrator; the temperature control system out of pulping room make the wall temperature of pulping room be controlled lower than the liquidus temperature about 0-100deg.C; the liquid metal is collected at the cone bottom to obtain the metal slurry with solid fraction smaller than 30%; the metal slurry flows out through the lower guide flow pipe and the temperature is controlled in -10-10deg.C of liquidus temperature; (3) the metal slurry flows into the collector or is sent into the common equipment such as die-casting, rolling and forging so on directly to carry rheological forming out and or is cast into the mould continuously to produce semi-solid continuous casting slab. The merit of invention is that the preparation of metal slurry is uniform, mass and continuous, and it can satisfy the demand of huge industrial production easily.

A sheet manufacturing apparatus includes a web forming unit configured to form a web that includes fibers and a resin, a transferring unit configured to transfer the web that has been formed, a first cutting unit configured to cut the web in a direction intersecting with a transfer direction of the web being transferred, and a heating unit having a first roller configured to heat the web that has been cut.