3271results about How to "Reasonable workmanship" patented technology

The invention relates to an irradiation crosslinking halogen-free high flame-retardant cable material and a preparation method thereof. The cable materials comprise the following compositions: 45-90 parts of basic resin, 10-55 parts of functional polyolefine resin, 45-125 parts of carbonate hydroxide flame retardant, 30-50 parts of charing agent, 30-50 parts of flame-retardant lubricant, 0.3-3 parts of methyl silicone rubber shell forming agent, 0.5-2 parts of silane surface modifier, 2-5 parts of crosslinking sensitizing agent, 0.2-2 parts of antioxidant, 1-4 parts of lubricant and 0.1-1.0 parts of initiator. The preparation method of the cable material comprises the following steps of: stirring the carbonate hydroxide flame retardant, the charing agent and the flame-retardant lubricant at a high speed for 2 min; and then adding the shell forming agent and continuously stirring at a high speed until the temperature rises to above 100 DEG C, coating the surface of the mixture with the shell forming agent; adding silane coupling agent and stirring for 5-8 min, and carrying out secondary surface treatment; adding initiator-alcohol solution, and discharging after mixing; extruding and pelletizing; finally drying and cooling to obtain the finished cable material product. The flame retardant performance of the product is obviously enhanced, and the product has good shell forming performance in conbustion without droplets.

The invention relates to a high-performance halogen-free flame retardant ABS modified resin and a preparation method thereof. The resin comprises the following components with the content (in parts by weight): 100 ABS resin, 4-30 polyamide, 5-25 phosphate fire retardant, 0.1-0.5 anti-drippage agent, 5-10 toughening agent, 1-5 nano filler, 1-5 compatilizer, 0.2-1 antioxidant, 0.1-0.5 light stabilizer and 1-5 processing agent. Compared with the prior art, the invention has reasonable technique, and overcomes the defects of poor flame retardant property and low impact strength of the existing halogen-free flame retardant ABS; and the invention adopts a novel high-efficiency halogen-free flame retardant compounding synergism technology, a novel polyamide coal-forming agent, the high-efficiency synergism between organic and inorganic fire retardants, and the master batch method processing technique, thus endowing the resin with high fire resistance on the basis of improving the original good performances (especially the impact performance) of the ABS resin, and having wide application prospect.

The invention discloses a production method of preserved dried beancurd. The production method comprises the following steps: (1) selecting proper soybean, pretreating the soybean, soaking and washing with water; and (2) pulping the washed soybean, boiling, filtering, curdling, standing to form jellied bean curd, breaking the jellied bean curd, boxing, pressing, removing filter cloth, shaping, quickly boiling in soda, preserving, roasting and mixing with flavor to prepare the preserved dried beancurd. The production method of the preserved dried beancurd disclosed by the invention has reasonable process and high resource utilization rate; and the preserved dried beancurd has delicious taste and rich nutrients, is clean and sanitary, can be stored for longer time, and is convenient for transport and storage.

The invention relates to an innocent treatment method for animal carcasses died of illness and organic wastes. The innocent treatment method comprises the following steps: collecting to-be-treated materials of animal carcasses died of illness and organic wastes, then, mixing the to-be-treated materials and auxiliary materials as organic matters including wood flour and rice husk, and next, supplementing water until the water content is up to 50-60%; adding a compound microorganism preparation into a treatment tank; carrying out micro-biological degradation so as to ensure that main components such as the animal carcasses died of illness, various organic wastes and the like can be completely degraded within 24 hours and can be processed into an available organic fertilizer. The innocent treatment method is reasonable in process, simple and convenient in operation, energy-saving, environment-friendly, pollution-free and capable of utilizing the animal carcasses died of illness and the organic wastes as fertilizers.

The present invention provides one kind of viscose fiber with antibacterial and antifouling tea component, and the viscose fiber contains antiseptic comprising at least one of natural tea pigment, tea polyphenol and catechin. The powder or solution of at least one of natural tea pigment, tea polyphenol and catechin in the amount of 1-10 wt% is added into viscose spinning fluid to result in lasting antibacterial and antifouling functions. The viscose fiber has also the fragrance of tea, dyeing effect and no side effect on human body, and is suitable for use in making underwear, other costumes and bedding.

The invention discloses a manufacturing method of paint dyeing weaver with oxford textile, chambray and denim, which comprises the following steps: predisposing warp; drying; dyeing; predrying; drying; after-treating; shafting warp; weaving; dressing; finishing one step by one machine continually. The invention satisfies large batch and scale manufacturing request, which is fit for producing original paint dyeing and other pain dyeing weaver product.

The invention opened a high strength and conductance aldary material which includes: Cr 0.05%-0.10wt%; Zr 0.05%-0.50%; Mg 0.05-0.20wt%; (Ce+Y)<=0.20%; The residue is Cu. The process is : water quench for 1h in 900-960DEG C->30%-45% of cold-drawing deformation->aging treatment for 0.5-4h in 440-520 ->formed by cold-drawing. The strength can reach above 550-600MPa and the specific conductivity can keep above 80% IACS, and the life is improved to 3-5 times, the sintering can reach 550DEG C; the slip is less than 10% in the 300DEG C, the elongation percentage is above 5%, also the alloy has the performance of resistance to elevated temperatures and stand wear and tear.

Disclosed is a construction method for lifting whole spatial grid roof structure, pertaining to the technical field of lifting a spatial grid roof structure. The spatial grid roof structure at which the method aims is composed of the connection of node spheres and tie bars; the whole spatial grid roof structure is supported and fixed by an upright column. The construction method is characterized by comprising the steps that: arranging a bearing upright column, connecting a lower girder, adjusting a radius rod, lifting an upper girder, installing a jack, arranging a bending- resistant lead, removing the original connection of the spatial grid roof structure, starting the jack to jack the whole spatial grid roof structure, padding the upper girder and jacking again, lengthening a connecting upright column and removing jacking facilities. The construction method adopts the combination of a hydraulic jack and girder multipoint supporting structure and directly jacks the whole spatial grid roof structure, which can shorten construction period, reduce construction amount as well as makes full use of the original structure; the construction method has components and equipment which are easy for manufacturing and convenient transportation and assembly, reduces project expenses, is fast and highly efficient, has low expense and is applicable to the heightening improvement of spatial grid roofs with various structures, such as circle, polygon, irregular odd shape, etc.

The invention discloses a rapid expanding machine for a circular tube end. The rapid expanding machine comprises a working platform, a machine frame, movable wheels, a discharge groove, a discharge groove fixing frame and a stopping frame. The working platform is arranged on the machine frame, the movable wheels are arranged at the bottom of the machine frame, the discharge groove fixing frame is installed on the side face of the machine frame, the discharge groove is arranged on the discharge groove fixing frame, and the stopping frame is installed on the working platform. The rapid expanding machine is characterized in that a feeding groove fixing support is arranged on one edge of the working platform, a feeding groove is installed on the feeding groove fixing support, and an air cylinder connected with an air cylinder push rod is arranged on an air cylinder fixing frame; a discharge disc fixing support is arranged near the air cylinder fixing frame, and a discharge disc is installed above the discharge disc fixing support. Through reasonable and ingenious design, the rapid expanding machine for the circular tube end integrates a punching machine and a hydraulic technology and is reasonable in technology, low in energy consumption, low in construction investment, good in product quality, wide in raw material source and high in product specification applicability.

The invention relates to antibacterial viscose containing an artemisia argyi oil component and a production method of the antibacterial viscose. The antibacterial viscose takes an artemisia argyi oil microcapsule as an antibacterial agent and a spinning solution is composed of the artemisia argyi oil microcapsule and mucilage glue, wherein the adding ratio of the artemisia argyi oil microcapsule is 10%-30% of alpha cellulose in the mucilage glue and the antibacterial property index are as follows: the antibacterial value is more than 4.0 and the sterilization value is 2.7. The production method of the antibacterial viscose containing the artemisia argyi oil component comprises the following steps: preparing artemisia argyi emulsion, preparing the artemisia argyi oil microcapsule, preparing the mucilage glue, preparing the spinning solution, and spinning and molding. The antibacterial viscose not only has the advantages of maintaining water absorption and air permeability of common viscose and being comfort to wear, but also has high antibacterial rate and good endurance; meanwhile, the antibacterial viscose has a good skin-caring effect and can be widely applied to home textile articles, underwear, sports shirts and the like.

A water proof floor is made by dipping 1-3 pieces of anti wearing paper and decorative paper into melamine and dried, applying 2MPa-10MPa pressure with the heating press with these two kinds of paper stacked, in the temperature of 185deg.C-230deg.C, keeping the pressure for 25-60s and cooling naturally to form into the panel, roughening the upper surface of the wood slab or free wax fiber slab to form into uneven surface, applying adhesive agent on the upper surface of the slab, one side of the decorative paper of the panel attached on the up surface of the slab, applying 15MPa-45MPa pressure in normal temperature for 15-60 minutes, sticking the panel to the slab to make a big plate, cutting the big plate to the required strip, having key way vertically and horizontally to make the final product. The floor is not only anti wearing, and water proof, it is also being anti shock, fire resistant, anti erosion, and environment protective in nature.

The present invention is wet process of extracting vanadium and/or molybdenum form waste petrochemical catalyst alumina carrier containing V, Mo and other elements. The wet process includes high-temperature deoiling the catalyst in natural granularity, mixing with sodium carbonate, high-temperature oxidation and roasting in a kiln or furnace to obtain water soluble sodium vanadate and sodium molybdate; countercurrent water soaking of the chamotte to obtain solution containing V and Mo in certain concentration, adding calcium salt and magnesium salt to eliminate P and other impurities, addingammonium salt solution into the clear solution to obtain ammonium metavanadate, decomposing and melting ammonium metavanadate to obtain V2O5 product; adding acid to the supernatant and organic phase extraction of Mo, ammonia water reverse extraction to obtain ammonium molybdate, and adding acid to precipitate ammonium tetramolybdate or molybdate product.

The invention provides a recovering system and a method of C2 in refinery dry gas by a compound adsorption method. The recovering system comprises a compressor, a pretreatment unit, a refinery dry gas cooling unit, a compound adsorption unit and a rectification unit. The adsorption unit comprises a gas-liquid separating tank, a C2 adsorption tower, and a methane desorption tower. The rectification unit comprises a C2 removing tower and an ethylene rectification tower. The refinery dry gas, after being compressed, pretreated and cooled, is subjected to gas-liquid separation to obtain a gas phase and a liquid phase. The gas phase is fed into the C2 adsorption tower and subjected to C2 adsorption by using a C4 mixture or a C5 mixture as an absorbent. The liquid phase is fed into the methane desorption tower, and subjected to methane desorption through stripping. The mixed adsorption oil at the bottom of the C2 adsorption tower and desorption gas at the top of the methane desorption tower are returned to the gas-liquid separation tank after being mixed and cold with the refinery dry gas. Tower bottom of the methane desorption tower is cooled and fed into the C2 removing tower and the ethane rectification tower to be rectified to obtain an ethylene product and an ethane product. The method provided by the invention adopts moderate operating conditions. The ethylene and the ethane both have the high recovering rate and the high purity.

This invention relates to a wide band-gap GaN-base heterojunction field effect transistor structure including: a substrate, a high temperature AlN nucleating layer on the substrate, an AlInGaN supper lattice buffer layer processed on the nucleating layer, a non-intentional or intentional doped GaN high resist layer processed on the buffer layer, a non-intentional doped high transfer rate GaN layer processed on the high resist layer and an AlN insertion layer set on the high transfer rate GaN layer and a non-intentional doped or n-type doped AlInGaN layer set on the AlN insertion layer.

The invention discloses a method for extracting polysaccharide from a cordyceps militaris medium. The cordyceps militaris is crushed and mixed with water, is extracted in an enzyme liquor and an alkali liquor under 30 DEG C to 80 DEG C, and an obtained solution is centrifugalized. An insoluble substance is extracted repeatedly, and supernatants are combined. Amylase enzymolysis is performed on the obtained product under 50 DEG C to 75 DEG C. After centrifugation, a supernatant is condensed to be with a sugar content of 1.5 percent to 3.0 percent. The supernatant is added with ethanol and alcohol precipitation is performed on the obtained product under 0 DEG C to 4 DEG C, a product is obtained by drying the obtained product after centrifugation. After deproteinization and dialysis, crude cordyceps polysaccharide is obtained. A single enzyme method, a double enzyme method, a compound enzyme method and a supersonic wave enzyme method can be adopted, and protease, trypsin, etc. can be adopted. The method optimizes the technology route for extracting the cordyceps polysaccharide, enhances an obtaining rate and an extraction efficiency of the cordyceps polysaccharide. Extraction, separation and purification of the cordyceps polysaccharide are carried out effectively. The method provides a solution approach for the utilization of agricultural wastes, and provides a technology base for further exploitation of the cordyceps polysaccharide.

The invention relates to an oyster polypeptide nutrition supplement food for children and a preparation method thereof. The method comprises the following steps: deodorizing, debittering and decoloring enzymolysis polypeptide fluid which is prepared by controlled enzymatic hydrolysis of oyster meat; carrying out suction filtering, concentrating and drying to obtain oyster peptide powder; culturing and centrifuging probiotics suitable for children to obtain bacterial paste; lyophilizing with cryoprotectant to obtain probiotics lyophilized bacterial powder; preparing probiotic microcapsules by the probiotics lyophilized bacterial powder and a wall material; forming prebiotics by selecting fructo-oligosaccharide and isomaltose hypgather; weighing the following components in percentage by weight: 40 to 60 percent of oyster peptide powder, 20 to 30 percent of the probiotic microcapsules and 10 to 40 percent of prebiotics; and uniformly stirring, packaging in bags to obtain the oyster polypeptide nutrition supplement food. The oyster polypeptide nutrition supplement food quickly increases the number of beneficial bacteria in intestinal canals of children while providing rich nutrition to children, so that the environment in a body is improved, and the nutrition absorption capability is improved. The preparation method has the advantages of reasonable process, simple manufacture and strong operability.

Provided is a printing method of different patterns of double surfaces of a warp knitting plush single-layer blanket. Appropriate raw materials are selected to be woven to form grey cloth, secondary removing presetting is conducted, and then pre-processing is conducted; after reverse-side napping tidying is conducted on the warp knitting plush grey cloth in a pre-processing procedure, various printing parameters are regulated according to gram weights and plush heights of the warp knitting plush single-layer blanket, the front side is printed firstly, then the reverse side is printed, and a semi-finished plush single-layer blanket with the different patterns on the front side and the reverse side is obtained; brushing, ironing, shearing, cloth cutting and edge covering are conducted on the front side and the reserve side of the semi-finished plush single-layer blanket, and the finished plush single-layer blanket is obtained. The printing method is reasonable in technology, the blanket with the different patterns on the front side and the reverse side can be obtained, product diversity is improved, the printing effect is good, white plush can not occur on the surface of the warp knitting plush single-layer blanket, the rough surface is glossy and bright, the plush surface is tidy, relatively elastic, and soft and smooth in hand feeling, and the warp knitting plush single-layer blanket achieves quality of a top-grade blanket.

The invention discloses a manufacturing method of thermoplastic resin wood composite board and special equipment. The bonding strength of the thermoplastic resin wood manufactured by the invention is more than 0.7 MPa, has the characteristics of low formaldehyde releasing amount and favourable waterproofness and humidity resistance, has peculiar application value and can be widely applied in the fields of building renovation, furniture, vehicles and ship decoration.

The invention relates to a process and an apparatus for continuous production of a closed-cell aluminum foam through blowing foaming. The process comprises the following steps: melting a raw material, adding with a ceramic tackifier and a moistening promoter, stirring to obtain molten aluminum with uniform component, carrying out continuous foaming with the apparatus for the continuous productionof the closed-cell aluminum foam with blowing foaming to obtain a molten aluminum foam with uniform foam size, and controllable density and productivity, and producing a foamed aluminum board by going through a net belt and transmitting with an arc transition mechanism and cutting. The apparatus is characterized in that: a simple crank link mechanism is adopted to realize the reciprocating motion of a horizontal outlet duct, and the arc transition mechanism allows the ascending lifting of the molten aluminum foam to be changed into horizontal transmission. According to the invention, the process and the apparatus are simple, the operation control is accurate, and a purpose that the pore size and the density of foamed aluminum products can be accurately controlled at a high efficiency anda low cost is realized because the foam size of the molten aluminum is adjusted by changing the frequency of the reciprocating motion of the outlet duct, the pressure and the flow of a compressed gasand the diameter of outlet micropores.

The invention relates to a method for manufacturing a bamboo macrofiber composite material. Bunchy bamboo fibers of which the green and yellow are removed are taken as raw materials and dipped with awater soluble phenol formaldehyde adhesive, and the production steps comprise material preparation (comprising the preparation of bamboo macrofiber reinforcement and a water soluble phenol formaldehyde resin matrix), adhesive dipping, extraction, warm-pressing, curing and post curing. The method has the advantages that: (1) the method has reasonable process, strong production continuity, high efficiency, low energy consumption, and no environmental pollution; (2) the manufactured bamboo macrofiber composite material has no mold and no crack, and has the density between 0.9 and 1.3g/cm<3>, thehardness between 60 and 150MPa, the static bending strength between 140 and 160MPa, the water-absorbing expansion rate between 0.3 and 2 percent, the surface wear resistance between 0.04 and 0.09g/100r, and the formaldehyde emission between 0.1 and 0.4mg/L; and (3) the invention provides a more positive production technique for reasonably utilizing the bamboo resources, so that the reconstituted bamboo timber application prospect is better.