372results about How to "Avoid sticking to each other" patented technology

The invention discloses a uniform color-protecting method of a recombination mixed purple potato microwave spraying drying product, belonging to the technical field of fruit and vegetable food processing. When purple potato leisure foods are produced by using purple potatoes as main raw materials, the special purple color of the purple potatoes is protected. The uniform color-protecting method comprises the steps of: cleaning the purple potatoes and other potatoes, peeling, trimming, chipping, spraying color-protecting liquid, steaming and curing, pulping, mixing pulps according to the proportion of the purple potatoes to the other potatoes of 8:2-4:6, forming, pelleting, secondarily protecting color, pre-drying with hot air, spraying and drying with microwaves, and packaging; and controlling the water content of the final product to be not higher than 6 percent. The product has flavors and nutrients of the purple potatoes and the other potatoes and has the special color of the purple potatoes. The drying time can be effectively shortened, and the uniformity of drying materials with microwaves is increased. The product has advantages on the aspects of color protection, nutrient maintaining, organoleptic quality and the like compared with the traditional processing mode.

An ice bank of a refrigerator is provided. The ice bank includes an ice accommodation chamber storing ice pieces made by an ice maker, and an ice pressing unit circulating the ice pieces by pressing the ice pieces for preventing sticking of the ice pieces in the ice accommodation chamber.

The invention relates to a process for producing insoluble sulphur. In the process, industrial sulphur is used as a raw material. The process comprises the following steps of: a, heating; b, quenching; c, curing; d, extracting; e, filtering; f, drying; and g, sieving, wherein in the step b, sulphur powder and quenching liquid are added into quenching equipment in advance before quenching to form turbid liquid of the sulphur by stirring, and high-temperature sulphur is sprayed to the turbid liquid of the sulphur to be quenched or the quenching liquid or the turbid liquid of the sulphur is added to the bottom of the quenching equipment in advance, and the high-temperature sulphur is quenched by the turbid liquid of the sulphur in a spraying mode or the turbid liquid of the sulphur is added to the bottom of the quenching equipment in advance, and the high-temperature sulphur is sprayed and quenched by the quenching liquid. In the process, mutual adhesion among insoluble sulphur granules formed through quenching is prevented under the dispersing isolation action of the turbid liquid of the sulphur, and the curing effect and quality of the insoluble sulphur can be improved obviously.

The invention discloses a coaxial polyphosphazene nanofiber composite membrane which is prepared by the collection of coaxial fibers taking polyacrylonitrile as a core and polyphosphazene as a shell, wherein the diameters of the coaxial fibers are 30 nanometers to 3 microns. The invention also discloses a preparation method of the composite membrane, comprising the following steps of: adopting a coaxial electrostatic spinning device to inject polyacrylonitrile solution into the inner layer of a coaxial spinneret, and inject polyphosphazene solution into the outer layer of the coaxial spinneret, adjusting factors such as spinning voltage, the flow rate of spinning solutions at the inner layer and the outer layer and receiving the distance and the like, and carrying out coaxial electrostatic spinning and collecting, thus preparing the coaxial polyphosphazene nanofiber composite membrane. The preparation method is simple, the prepared coaxial polyphosphazene nanofiber composite membrane has stable morphostructure and good mechanical strength, and the fiber composite membrane has the core-shell structure and uniform shape.

The invention belongs to the field of polymer materials, and particularly relates to a PLA (polylactic acid) biodegradable thin film and a preparation method thereof. The PLA biodegradable thin film is prepared from the following components of PLA, PBSA (poly(butylene succinate-co-adipate)), PBC (polypropylene carbonate), a plasticizer, a lubricant and a pore forming agent. The preparation methodcomprises the following steps of mechanically mixing the PLA, the PBSA, the PBC, the lubricant and the pore forming agent; adding the mixed raw materials into a material hopper of a double-screw extruder; metering the plasticizer by a metering pump, adding via a liquid adding port of the extruder, starting the solid charge and liquid charge, smelting, extruding and granulating, so as to obtain thePLA resin material; performing blow molding and film forming on the PLA resin material, so as to obtain the PLA-based thin film. The PLA-based thin film has the advantages that the mechanical property is better, and the transparency is good; the complete biodegradable effect is realized; the PLA-based thin film can be used for replacing PE (polyethylene), PP (polypropylene), PVC (polyvinyl chloride) and the like to prepare thin films and sheets.

The invention provides an anti-adhesion polyvinyl alcohol embolization microsphere, and a preparation method and an application thereof, and belongs to the field of intervention polymer embolization materials. Positively charged or negatively charged polysaccharides are added in a process for preparing polyvinyl alcohol microspheres by reverse suspension crosslinking to make Coulomb repulsive force among the microspheres and the microspheres repulse each other in order to obtain the embolization microsphere with a high sphericity, non-adhesion and a controllable particle size. The anti-adhesion polyvinyl alcohol embolization microsphere has the advantages of simple preparation method, mild preparation conditions, low cost, suitableness for large-scale mass production, and broad applicationprospect in the field of clinical interventional medicine.

A Chinese-medicinal oniment preparing apparatus is composed of machine frame, basic cloth supplying unit, covering film supplying unit, medicine membrane supplying unit, and quantitative cutting unit.

The invention relates to biodegradable modified lignin particles. The biodegradable modified lignin particles comprise the following raw components: 35 to 45 weight parts of lignin, 40 to 55 weight parts of poly(butylene adipate/terephthalate), 4 to 6 weight parts of auxiliary agents and 0.5 to 1 weight part of an organic anti-blocking agent; the auxiliary agents comprise stearic acid and polyethylene wax. A production method for the biodegradable modified lignin particles comprises the following steps: mixing the raw components according to the above parts by weight; heating and obtaining a coarse material after the raw components are mixed uniformly; taking the coarse material and granulating the coarse material to obtain the biodegradable modified lignin particles. The biodegradable modified lignin particles can be completely biodegraded after use, have high mechanical and processing performance, and have important significance to protect ecological environment and reduce white pollution. The biodegradable modified lignin particles are simple in production process and low in cost, and are suitable for batch production.

A scroll compressor having an extended life due to the support structure for the orbiting scroll, even when using a chlorine-free substitution refrigerant. The support structure includes an Oldham ring for supporting an orbiting scroll so as to allow the orbiting scroll more orbiting motion without rotating about a fixing scroll. The Oldham ring is formed of a different material from both a fixing member and the orbiting scroll. Hence, if a boundary lubrication state occurs in mutually sliding parts, only sliding between different materials occurs, and mutual adhesion in the portion of the boundary lubrication state is avoided. As a result, the shortening of the life due to the wearing of the support structure of the orbiting scroll is prevented.

The invention discloses a production technology for a heat shrinkable polyester film and relates to the package material field. The production technology comprises the following technologies: slicing, vacuum drying, melt extrusion, quenching slice casting, biaxial tension, cooling and rolling slitting. Amorphous polyethylene glycol terephthalate is selected as a raw material, amorphous polyethylene glycol terephthalate is easy to recycle, nontoxic and odourless, has good mechanical properties, and meets environment protection requirements. Heat is transferred to materials to be dried through a drier shell under the vacuum environment, and therefore the purpose of drying reinforcement is achieved. The softening point of polymers is raised effectively, adhesion and agglomeration of resin particles are avoided during the drying and melt extrusion processes, moisture in resins can be removed, and hydrolytic degradation and bubble generation of polymers containing ester groups are prevented during the melt extrusion process. The ways of segmented heating and segmented processing are beneficial for fusion of molecules, and avoid material deterioration caused by too fast heating. the intensity of the produced shrinkable film is raised, and the shrinkable film has impact resistance.

The invention discloses a method for improving the coercive force of a sintered neodymium-iron-boron magnet. The method comprises the steps of sequentially plating the surface of the sintered neodymium-iron-boron magnet from inside to outside by adopting multi-target continuous magnetron sputtering to form a heavy rare earth metal film layer and a metal aluminum film layer, and discharging to obtain a semi-finished product; and placing the semi-finished product in a pre-vacuumizing environment to be subjected to heat treatment and then cooling to prepare the high-coercivity sintered neodymium-iron-boron magnet , wherein vacuumizing is continuously conducted in the heat treatment process. According to the method, the dischargeable temperature after magnetron sputtering coating is increased, so that the cooling time is shortened; the subsequent charging operation is simplified; and the method has the advantages of saving energy and improving the production efficiency.

The invention discloses a preparation method and an application method of granular activated carbon for xylose decoloring, which belongs to the field of preparation methods and application methods of activated carbon. The preparation method comprises the following steps: (A) preparing raw materials, namely, weighing phosphoric acid method powder activated carbon made from saw dust, an acrylic emulsion and water according to a ratio of acrylic emulsion to phosphoric acid method powder activated carbon to water being (0.37-0.39):1:1; (B) mixing the raw materials, namely, mixing the weighed raw materials and sufficiently stirring till the granules are uniformly mixed; (C) forming granules, namely, extruding the uniformly mixed raw materials to form granules by using a pelletizing machine at the constant temperature of 90 DEG C, so as to make granules with the particle size of 2-5mm, cooling the granules to be 40-50 DEG C, and drying; (E) separating and cooling. The granular activated carbon prepared by using the method is good in adsorption property, high in strength, acid-alkali resisting, recyclable and reusable, the liquid adsorption amount of unit volume is equivalent to that of other granular activated carbons, and the production environment is improved.

The invention relates to a pork shrimp dumpling and a making method thereof. The dumpling filling of the dumpling comprises the following substances by weight: 100-150 parts of fresh ground pork, 90-120 parts of egg, 90-120 parts of leek, 40-80 parts of fresh Bidens pilosa tender shoot, 15-30 parts of almond, 60-80 parts of black fungus, 50-80 parts of oil, 6-10 parts of salt, 5-10 parts of five spice powder, 10-15 parts of scallion, 10-15 parts of ginger, 3-4 parts of cooking wine, 10-20 parts of onion, 60-80 parts of pomelo peel, 5-10 parts of fish, 20-50 parts of fresh Chinese yam, 10-20 parts of lotus seed, 10-20 parts of carrot, 10-20 parts of mushroom, 5-10 parts of dried tangerine peel, 10-20 parts of Chinese angelica, 50-80 parts of donkey-hide gelatin, 120-150 parts of red dates, 20-30 parts of longan, 15-20 parts of Chinese wolfberry, 40-50 parts of loofah, 10-20 parts of Lonicera japonica, and 10-20 parts of loquat leaf.

The invention discloses a glued groove-and-tongue floor, which comprises a floor body, wherein the floor body is provided with a joint tongue and a joint groove. The glued groove-and-tongue floor is characterized in that: a pressure sensitive glue layer is coated on the joint tongue and/or the joint groove. The glued groove-and-tongue floor has the advantages that: 1, the pressure sensitive glue layer is pre-coated on the joint tongue and/or the joint groove, namely the tongued and grooved positions, of the floor so as to greatly improve a floor gluing mounting process and the mounting efficiency, save time, avoid the surface of the floor being polluted and achieve higher environmental friendliness; 2, adjacent floor blocks can be separated without any damage after being glued and spliced by pressure sensitive glue, so the floor is convenient to disassemble and rearrange after faults are produced in arrangement and pavement, and the after-service cost of the product is reduced; and 3, the adhesive power of the pressure sensitive glue can greatly strengthen an interlocking force between tongues and grooves of the floors and make securer and more stable the splicing of the floor, thereby greatly reducing the problem of contraction joint deformation of the paved floor as well as noises caused by friction between the tongues and grooves of the floors and greatly improving the mounting quality of the floor.

The invention provides a method and device for preparing a tar cracking catalyst through liquid blast furnace slag granulation. The device is characterized by comprising a conical granulating device, a spraying device and an overflow type water cooling wall, iron ore powder with the mass fraction of 10%-20% is added to slag before granulation, the slag extends on the surface of the conical granulating device to form a film in the granulating process, the film is air-quenched into small particle drops under the effect of a high-pressure jet flow, then bumps with crushing blades for secondary crushing, is further air-quenched and granulated by a spirally rising airflow and finally falls onto the surface of the overflow type water cooling wall to perform heat exchange with a flowing water film for cooling. The device is compact in structure, integrates centrifugal granulation, mechanical crushing, air quenching and water cooling modes and can achieve efficient granulation and rapid heat exchange of liquid slag, and no mutual bonding occurs in the granulated slag output process. The slag granulating rate is 90% or above by adopting the method, a surface pore structure is developed, the active component content is high, and the tar cracking catalyst is an efficient biomass tar cracking catalyst.

The invention provides a ceramic stacked abrasive material. Hollow microspheres are mainly taken as the base body, and the surfaces of the hollow microspheres are evenly wrapped in a fugitive binder and a micro powder-level abrasive material and ceramic bond powder which adhere to the fugitive binder; then calcination is conducted to form the hollow spherical ceramic stacked abrasive material. The invention further provides a method for preparing the ceramic stacked abrasive material and a grinding tool using the ceramic stacked abrasive material. By the adoption of the ceramic stacked abrasive material, the thickness of a working layer of the grinding tool can be made large, so that the durability of the grinding tool is improved greatly; furthermore, large gaps exist between particles during grinding and polishing, so that blocking is effectively prevented and grinding efficiency is improved, high flatness of the surface of the working layer can be guaranteed, and surface smoothness can be guaranteed during grinding and polishing. The grinding tool also has the properties of resin binders, so that the sharpness and durability of the grinding tool are improved.

The invention discloses a three-layer enveloping type high-water-absorption slow release fertilizer and a preparation method thereof. The slow release fertilizer is composed of a fertilizer core and enveloping layers, wherein the enveloping layers comprise an inner enveloping layer, a middle enveloping layer and an outer enveloping layer from inside to outside; the inner enveloping layer is made from paraffin; the middle enveloping layer is made from straw carbon based high-water-absorption resin; and the outer enveloping layer is arranged as a styrene-acrylic emulsion layer. In the aspect of enveloping material selection of the slow release fertilizer disclosed by the invention, the paraffin, the straw carbon based high-water-absorption resin and the styrene-acrylic emulsion are respectively selected as the materials of the innermost layer, the middle layer and the outmost layer; the functions of all the enveloping layers are different from each other; the acquired enveloping fertilizer has excellent slow release property, high water absorption property and storage property; the straw gasified by-product is added and compounded with the high-water-absorption resin in the middle layer, so that the cost of the high-water-absorption resin is lowered; and in a preparation process of the slow release fertilizer, no organic solvent is used, the preparation is pollution-free and the process is simple.

The invention provides a preparation method of a nylon powder material for selective laser sintering. The preparation method comprises the following steps: adding a nylon raw material, an end cappingagent, deionized water and an antioxidant into a polymerization kettle for a polymerization reaction, and then, carrying out water-cooled bracing, discharging and dicing to obtain nylon aggregates, wherein the mass ratio of the nylon raw material to the end capping agent to the antioxidant is (96-97.5%):(0.5-3.8%):(0.2-0.5%); mixing and stirring the nylon aggregates and a solvent, preparing a powder by using a solvent method, and carrying out centrifugal filtration, drying and sieving to prepare nylon powder; and uniformly mixing and stirring the nylon powder, a flow promoter and the end capping agent, and then, sieving the mixture until the average particle size is 40-110 mu m to prepare the nylon powder material for selective laser sintering. The nylon powder provided by the invention isgood in flowability, high in powder apparent density, good in surface quality and environment-friendly, the rest of powder has high recycling property, and a sintered product cannot generate orange skins, so that the cost is greatly reduced.

The invention discloses a novel historical relic protection box. The protection box comprises a box body which is divided into an upper box body and a lower box body and further comprises locking bolts and clamping devices; the locking bolts fix the multiple clamping devices into the box body, trapezoid protrusions are arranged on the boundary of the upper box body, trapezoid grooves are formed in the boundary of the lower box body, the trapezoid protrusions are embedded in the trapezoid grooves to enable the upper box body and the lower box body to be buckled, and then the upper box body and the lower box body are fixed through clamping buckles and clamping buckle seats; each clamping device comprises a bearing table, a limiting device, a buffer pad and a clamping plate, wherein a limiting device hole groove is formed in the bearing table, historical relics are flatly laid on the upper surface of the bearing table, the limiting device penetrates the limiting device hole groove to fix the historical relics, the buffer pad is flatly laid on the upper surface of the historical relics, the clamping plate is flatly laid on the upper surface of the buffer pad, and the bearing table and the clamping plate are fixed through the locking bolts; and the protection box has the beneficial effects of being light, high in strength, free of dampness and bonding, simple in structure, convenient to use, long in hold time and not prone to damping the historical relics.

The invention discloses a rat trapping washer, which is manufactured by the following steps: a. uniformly mixing the following ingredients for batching according to parts by weight: 50-80 parts of acrylonitrile-butadiene-styrene, 3-15 parts of carbon fiber, 1-5 parts of sesame oil, 5-10 parts of refined peanut, 2-6 parts of white sugar, 1-5 parts of sesame powder and 5-10 parts of honey; b. pre-plasticizing; c. injection pressure maintaining; d. solidification shaping; and e. sampling and soaking. The rat trapping washer can not be eaten by mistake by children and pets, can support the upper plate of the rat sticking plate, can not be flattened or crushed, and has a better rat trapping effect.