807results about How to "Facilitate continuous production" patented technology

The invention relates to a package material horizontal casting shaping device. Wherein, it comprises core metal temperature-control pot, package metal temperature-control pot, core metal liquid irrigate tube, package metal crystallizer, drawing device, temperature tester, heating element and secondary cooler; and the producing method comprises the temperature of package metal is kept by the package metal temperature-control pot, passing through the package metal thermal-insulated chamber, irrigates into the casting mould formed by crystallizer and irrigate tube to be solidified into package metal tube; the core metal is solidified in the solidified package metal tube, with he package metal tube to form composite cast ingot; the cast ingot via second cooler is cooled and drawn by the drawing device, to be cut by cutter at certain length. The invention has simple process and lower cost, while the interface between package metal and core metal has non oxidization and non pollution.

The invention discloses an adsorption method for preparing hydroxyapatite pesticide and slow-release fertilizer compound, which comprises the following steps: soaking a nano hydroxyapatite carrier in phosphate buffer solution, then adding a starting material into the buffer solution and continuously stirring the mixture to form compound solution, finally centrifuging the compound solution to obtain sediment, and drying the sediment to obtain the compound. By using a porous structure of the nano hydroxyapatite self to embed medicaments into an internal grid of the carrier, the burst effect of the medicaments is avoided, the medicinal effect is long, the medicament residue is greatly reduced, and the medicaments are safer. A product obtained by using the nano hydroxyapatite as a pesticide and fertilizer carrier has the advantages of reliable quality, strong stability, safe use and low cost, greatly improves the medicament loading amount and adsorption amount, is easy for continuous production, and has good application prospect.

The invention discloses a preparation method of a thermotropic liquid crystal polyarylester fiber, relates to a preparation method of thermotropic liquid crystal polyarylester, and aims to solve the problems that the existing method for preparing the thermotropic liquid crystal polyarylester is complex and the polyarylester fiber is low in tensile strength. The preparation method of the thermotropic liquid crystal polyarylester fiber comprises the following steps: step one, adding p-hydroxybenzonic acid, 2-(4-hydroxyphenyl)-5-carboxylbenzimidazole, acetic anhydride, 4-diethylaminopyridine and an antioxidant into a polymerization kettle for carrying out melt condensation polymerization to prepare a pre-polymer of thermotropic liquid crystal polyarylester; step two, putting the pre-polymer in a rotary kiln under the condition with nitrogen protection for carrying out solid phase polycondensation reaction to obtain high-molecular-weight polymer powder; step three, mixing the high-molecular-weight polymer powder, then cooling and drawing to prepare primary polyarylester fiber; and step four, carrying out heat treatment on the primary polyarylester fiber. The preparation method of the thermotropic liquid crystal polyarylester fiber is simple to operate; the tensile strength of the polyarylester fiber which is finally obtained can reach 4.0-4.5GPa.

The invention relates to a reaction system for alkyl nitrite and a preparation method for the alkyl nitrite. The preparation method comprises the following steps that: a trickle-bed reactor is adopted and porcelain ring filler is filled into the trickle-bed reactor; liquid added into the reactor forms liquid membranes on the filler; alkyl alcohol is taken as a liquid-phase raw material and nitric monoxide, oxygen and nitrogen are taken as gas-phase raw materials; and gas and liquid phases are reacted in the trickle-bed reactor by means of co-current flow or countercurrent flow under the condition of nitrogen protection so as to generate the alkyl nitrite. The mol ratio of the alkyl alcohol to NO is between 2 to 1 and 7 to 1, and the mol ratio of the NO to O2 is between 4 to 1 and 8 to 1; the reaction temperature is between 40 and 100 DEG C, and the reaction pressure is between 0.1 and 1.0 MPa; and the retention time of continuous feeding of liquid-phase alkyl alcohol in the trickle-bed reactor is between 10 and 500 minutes, and the retention time of continuous feeding of gas phase in the trickle-bed reactor is between 0.02 and 1 minute. The reaction system and the preparation method have the advantages that: the operating condition is mild; the reaction time is short; the conversion rate of the raw materials, and the selectivity and the yield of products are high; and the whole reaction system is convenient for realizing continuous production, etc.

The invention discloses an automatic pipe cutter. The automatic pipe cutter comprises a machine frame (1), wherein a cutting device (3) for cutting off pipe fittings (2) is arranged on the machine frame (1). The automatic pipe cutter disclosed by the invention is characterized in that a guiding mechanism (4) for lifting the pipe fittings (2) is arranged at the feeding end, which is close to the machine frame (1), of the machine frame (1), and a feeding mechanism (5) which pulls the ends to be cut of the pipe fittings (2) to move in the axial direction to a position to be processed when the cutting device (3) resets is arranged at the discharging end, which is close to the cutting device (3), of the machine frame (1). The automatic pipe cutter provided by the invention can automatically feed the pipe fittings after the pipe fittings are cut off in a disposable manner, so that the automatic continuous cutting-off processing of the pipe fittings is realized.

The invention discloses a method for recovering nickel and molybdenum from a waste nickel-molybdenum catalyst. The method comprises the concrete steps of firstly carrying out primary low-temperature roasting, then carrying out secondary high-temperature alkali roasting, and transforming molybdenum and aluminum components in the waste catalyst into water-soluble sodium molybdate and sodium metaaluminate; then carrying out water leaching and solid-liquid separation to obtain a nickel slag and an alkaline filter liquor containing molybdenum and aluminum; carrying out acid leaching, evaporative crystallization and solid-liquid separation on the nickel slag to obtain a nickel sulfate product; and adding a barium salt precipitant into the filter liquor to separate the aluminum and the molybdenum, obtaining a refined aluminum-containing solution, adopting a chemical precipitation method to obtain an aluminum hydroxide precipitate, and calcining to obtain an aluminum oxide product. According to the method for recovering the nickel and the molybdenum from the waste nickel-molybdenum catalyst provided by the invention, valuable metals in the catalyst is comprehensively recycled, three products such as nickel sulfate, barium molybdate and aluminum oxide are obtained, the valuable metal recovery rate is high, the product added value is high, and the method has a certain application value.

A technology for continuously cooking rice includes such steps as washing rice, immersing, quantitatively loading in boxes, microwave cooking and outputting rice in boxes. Its apparatus is composed of screw conveyer, high-position rice tank, rice washer, redox washer, jet-type sprayer, step impurities remover, rice immersing container, oblique rich dropper, quantitative loaders of rice and water, and continuous microwave cooker. Its advantages are high speed, high utilization rate of heat energy, and high productivity.

This invention relates to a preparation of a kind of lipase and the method of using the lipase to compound ester. Exactly is that amino acid sequence is SEQ ID NO:1 or its lipase of conservative mutation sequence, it also relates to the gene coding this lipase, Yarrowia lipolytica generating this lipase.

The invention discloses an MVR (mechanical vapor recompression) evaporation crystallization system and method for high-salinity wastewater[0]. The system comprises a raw material tank, a first preheater, a second preheater, an MVR evaporator, a gas-liquid separator, a compressor, a first circulating pump, a condensate tank, a forced circulation evaporator, a second circulating pump, a crystallizer, a centrifuge and a vapor generator. The full utilization of secondary vapor is realized after high-salinity wastewater is treated with the system, and the system has the advantages that the cost is low, the continuity and the energy saving effect are good, and the crystal salt quality is high.

The invention relates to a vacuum insulated panel core material and a manufacturing method thereof. the core material is small in heat conductivity coefficient and low in cost and comprises 70wt% to 100wt% of short chopped glass fiber strands with diameters in a range of 6 microns to 13 microns and lengths in a range of 4 millimeters to 20 millimeters and 0wt% to 30wt% of glass fiber cotton with diameters in a range of 1.0 microns to 4 microns and lengths in a range of 1 millimeters to 5 millimeters, wherein the short chopped glass fiber strands are produced through a strand drawing method, and the glass fiber cotton is produced through a flame method flame method. According to the manufacturing method for core panels, multi-layer liquid adding and multi-layer vacuum dewatering are used, the heat conductivity coefficient of the vacuum insulated panel core material is below 0.03W/m.k, and the heat conductivity coefficient of the vacuum insulated panel is below 0.0025 W/m.k, the heat conductivity coefficient is lower than that of a glass fiber cotton core material 100% produced through the flame method, the insulating effect is good, the manufacture cost of the vacuum insulated panel core material is saved greatly simultaneously, and the quality is stable and controllable.

A method for producing a layer-type buildup of riblet foil involves applying a metal powder is to a reference mold, which has a female mold of a riblet structure, in such a manner that a metallic material is formed. The layered portion applied in this manner is then detached, thereby forming a riblet foil having a riblet structure.

The invention relates to a preparation method of a high-polymer viscosity reducer for heavy oil production. According to the preparation method, by utilizing cysteamine as a chain transfer agent, a macromolecule functional monomer containing various functional groups such as nitrogen heterocyclic rings, benzene rings and ethylene oxide chain segments is prepared, then the macromolecule functionalmonomer, acrylamide, vinyl pyrrolidone, acrylic acid and a 2-acrylamide-2-methylpropanesulfonic acid water-soluble monomer are taken as raw materials, and a water-soluble polymer with a comb-shaped functional structure is prepared through aqueous solution polymerization. The product has the good dissolving property in an aqueous solution, and the viscosity of heavy oil can be lowered significantly. In addition, oil-water separation is easy under still standing of a heavy oil viscosity-reducing sample, and produced liquid is convenient to treat.

The invention discloses a lamination type energy-storable solar battery, which is characterized in that: a secondary battery is laminated on a lamination type solar battery; the secondary battery is a lithium ion battery and is provided with a charge control circuit; and all the components are packaged through flexible plastic. The prepared lamination type energy-storable solar battery integrates the solar battery and the lithium ion battery so as to reduce external circuits, improve the compactness, reduce the volume, reduce wire jumper and also ensure high conductivity; and through application of a gel electrode and a plastic packaging process, the moisture resistance is improved, and foldability is achieved. During preparation, a back electrode layer of the solar battery also bears an anode current collector of the lithium ion battery, so that materials can be saved, and the conductivity can be improved at the same time; and an anode active layer, a diaphragm and a cathode active layer of the lithium ion battery can be prepared into sheets in advance to facilitate compounding during the preparation and realize continuous production.

The invention relates to an automatic bolt spreading machine, which comprises a frame, a gluing wheel and a transmission device, wherein the gluing wheel and the transmission device are arranged on the frame; an output shaft of the transmission device is jointed with the gluing wheel; the lower part of the gluing wheel stretches into a glue-storing plate; an automatic outer-bolt spreading machine also comprises a rotating plate, wherein the periphery of the rotating plate is distributed with at least two electromagnetic chucks for clamping an outer bolt to be processed; driven wheels are fixedly arranged at the upper ends of the electromagnetic chucks; the driven wheels and driving wheels are ganged; the driving wheels are connected with the tail end of the output shaft of the transmission device; and the position to be glued of the outer bolt is contacted with the gluing wheel. The invention provides an automatic outer-bolt spreading machine which has high production efficiency and uniform glued glue line.

The invention relates to a surface modification method of silicon carbide micropowder. Two modifying agents are adopted to perform two-step dry modification of the silicon carbide micropowder. The surface modification method comprises steps of: preparing an ethanol solution of a silane coupling agent and an aqueous solution of water-soluble polymer, preheating the silicon carbide micropowder at 30-70 DEG C for 20-60 min, spraying the ethanol solution of the silane coupling agent in a form of mist into the silicon carbide micropowder stirred at a high speed, stirring and drying at 110-150 DEG C for 0.5-3 h, spraying the aqueous solution of the water-soluble polymer preheated to 30-80 DEG C in a form of mist into the silicon carbide micropowder stirred at a high speed, and stirring and drying at 110-150 DEG C for 0.5-3 h to obtain surface modified silicon carbide micropowder. The surface modification method aims at dry-method modification of the silicon carbide micropowder, and is capable of effectively solving the dispersibility problem of the dispersibility, and improving the uniformity and increasing the powder yield of granulation of the silicon carbide micropowder.

The present invention discloses one kind of completely biodegradable hydrophobic material and its preparation process. The starch-base biodegradable material is prepared through reaction and extrusion in extruder of the following material: starch, PVA, lactone polymer capable of reacting with hydroxy group, biodegradable polymer, initiator and other assistant. The present invention has the advantages of low cost, high hydrophobicity of the product, simple operation, complete biodegradation of the material to eliminate 'white pollution', etc. The present invention is suitable for continuous production.

The invention discloses a cold forging processing method of hardened and tempered structural steel, which belongs to the technical field of steel cold forging. The method comprises the following steps of: firstly, performing corresponding blank forming treatment on different blanks and performing quenching treatment and high-temperature tempering treatment so as to obtain a structural steel hardened and tempered blank; secondly, blowing steel shots out of a barrel-type shot blasting machine by using compressed air, continuously impacting the steel shots onto the hardened and tempered structural steel blank and phosphating and saponifying the structural steel blank; and lastly, deforming the structural steel blank by using a cold forging mold in a cold extruding or cold heading way so as to obtain a precision forming part. The classical cold forging process is changed completely, softening treatment is not performed before cold forging of a steel material, a mechanical part with high size accuracy and high comprehensive mechanical property is processed by material hardening and tempering treatment and cold forging deformation and reinforcement, and subsequent thermal treatment is not needed after cold forging forming.

The invention provides a dry garment leather base and a preparation process thereof. The preparation process includes the steps: 1) base cloth treatment: completely soaking base cloth in mixed solution of soluble calcium salt and leather softeners, mangling the base cloth and then ironing and drying the base cloth by an ironing roller; 2) coating the base cloth with 200-500g/m<2> of garment leather base foaming slurry by a scraping method; 3) drying the base cloth in a drying oven; 4) base rolling: cooling and rolling the base cloth by a cooling roller to prepare the dry garment leather base. The prepared dry garment leather base has good moisture and air permeability, is quite soft in hand feeling and good in rebound resilience and wear resistance, and can meet higher performance requirements and environmental protection standards.