86results about How to "Short production cost" patented technology

The invention relates to a novel preparing method of a material used for a silver tin oxide wire electric contact. The invention has a process that the material prepared by silver, tin and additives according to a certain proportion is put into an intermediate frequency smelter for melting; a high pressure water atomizing device is adopted for high pressure alloy atomization; atomized alloy powder is dried and oxidated for modification; an isostatic pressing ingot is formed after isostatic pressing treatment; the ingot is agglomerated in a heating furnace; the agglomerated ingot is delivered into an extruding machine to extrude wires; the extruded wire is pulled and annealed to get a finished wire. The material property and electric property of the silver tin oxide wire electric contact material manufactured by the method can satisfy the use condition with high requirement.

The invention discloses a method for preparing and purifying graphene by microwave radiation under vacuum. The method for preparing graphene is as follows: placing graphite oxide in a reactor, radiating the graphite oxide by microwaves under vacuum, and obtaining the graphene by heating and cleavage of the graphite oxide. The method for purifying graphene is as follows: placing graphene with low purity in a reactor, irradiating the graphite oxide by microwaves under vacuum, and obtaining the graphene with higher purity after impure graphene is subjected to heating and cleavage. The method is implemented under the vacuum condition, thus being favor to preventing the generated graphene from being oxidized by oxygen in the reactor, reducing the cleavage resistance of the graphite oxide, and ensuring the safety in the operation process, and the method also has the advantages of high production efficiency, low production cost, safe operation process, high product purity and the like, and can be used as one of the methods for preparing and purifying graphene massively.

The invention relates to a novel preparing process of a material used for a silver zinc oxide contact. The invention has a process that a material prepared by silver, zinc and additives according to a certain proportion is put into an intermediate frequency smelter for melting; a high pressure water atomizing device is adopted for high pressure alloy atomization; atomized alloy powder is dried and oxidated for modification; an equal static ingot is formed after equal static treatment; the ingot is agglomerated in a heating furnace; the agglomerated ingot is delivered into an extruding machine to extrude plates or wires; the extruded plate is rolled and punched for shaping after surface treatment and silver restoring; the extruded wire is pulled and annealed to get a finished wire which is used for making rivets or different shape materials. The silver zinc oxide contact material prepared by the process has uniform metallographic structure, high density and good machining performance.

The invention discloses a manufacturing method of biological organic fertilizer, which comprises the following steps: preparing microbe bacteria agent; blending organic waste with nitrogen element and plant fiber at quality proportion at 3:1-4:1 to stir evenly; controlling the moisture percentage of blended materials between 55 and 65 percent; adding 0.2-0.5%. microbe bacteria agent to seed; fermenting material at pile; proceeding the first pile-turning operation when the temperature in the pile reaches 45-55 deg.c; piling; repeating to turn pile every 2-3 days after the first pile-turning operation; controlling the total pile-turning operation times between 12 and 14 times with moisture percentage of final material under 35%; forming biological organic fertilizer.

The invention discloses a grinding wheel cutter capable of automatically clamping and blocking. The grinding wheel cutter comprises a base and a machine body, wherein the lower end of the base is equipped with a travelling mechanism; a brake mechanism is mounted on the travelling mechanism; a machine body is welded on the base; the upper end of the machine body is welded with a bracket; a motor and a tension device are mounted on the bracket; the left side of the top end of the bracket is rotatably connected with a pressure rod; the lower end of the pressure rod is rotatably connected with a plurality of first connecting rods at equal distance; one end, away from the pressure rod, of each first connecting rod is rotatably connected with a fixed plate; a plurality of strong springs are welded between the bracket and the fixed plates; and one end, away from each first connecting rod, of each fixed plate is welded with the grinding wheel cutter. The grinding wheel cutter is stable in structure, is simple to operate, is scientific and reasonable in design, is short in production period, is low in manufacturing cost, is good in anti-seismic property, is convenient to move, automaticallyclamps a cut object conveniently, blocks spark to guarantee safety of an operator, and is worthy of being popularized.

The invention discloses a light high-conductivity and heat-resistant aluminum conductor and a preparation method thereof. The aluminum conductor is composed of, by weight, 0.035-0.06% of B, 0.1-0.2% of Zr, 0.1-0.3% of Er, inevitable impurities and the balance Al. The technological process comprises the steps of smelting, on-the-spot fast component analyzing, refining, rapid cooling casting, blank annealing, extruding and drawing. The added B element has the refining and modifying effects and mainly has the effect of promoting supersaturated solid solutions containing Zr and Er to separate out Al3(Er and Zr) ternary composite phases; the Al3(Er and Zr) composite phases are nano particles which are coherent with a matrix and have shell-core structures, are dispersed in the aluminum matrix and can greatly improve the electricity conductivity and the heat resistance of the aluminum conductor; the density of obtained monofilaments is smaller than or equal to 2.71 g/cm<3>, the electricity conductivity of the monofilaments is greater than or equal to 62%IACS, the short-time heat-resistance temperature of the monofilaments reaches 230 DEG C, the long-term heat-resistance temperature of the monofilaments reaches 210 DEG C, and the tensile strength of the monofilaments is greater than or equal to 165 MPa; the economic benefits are remarkable, the energy is greatly saved, and the environmental friendliness is high.

The invention discloses a culture method and application of isaria microsclerotia. A fermentation method comprises the steps of (1) preparing an isaria spore inoculant; (2) carrying out induction culture on microsclerotia: adding the isaria spore inoculant prepared in the step 1 into an induction culture solution, and carrying out shake cultivation for 6-8 days; (3) filtering fermentation liquor, removing supernatant to obtain microsclerotia precipitate, drying and storing. The invention also discloses the application of the isaria microsclerotia in control of whitefly pests and a biocontrol agent used for controlling the whitefly pests. The isaria microsclerotia produced by the invention is capable of adapting external bad environments such as high temperature, drought, strong ultraviolet and the like, and has the characteristics of stress tolerance, storage stability, long shelf life and continuous pest control; the isaria microsclerotia is short in fermentation period, low in production cost, high in technology controllability and easy in raw material obtaining. The isaria microsclerotia can be used for preparing active ingredients of a novel insecticidal fungus preparation.

The present invention provides an Al-Fe separation additive of high-alumina iron ore, which consists of Na2SO4, Na2B4O7 and Na2CO3. When in use, the additive is ground with granularity less than 0.074mm and then evenly mixed with alumina iron ore for pelletization; coal is taken as the reducing agent and the dry pellets are reduced and roasted at certain temperature; the reduced pellets are magnetically selected after cooling, breaking and grinding, so as to obtain the metallic Fe power with TFe grade more than 90 percent, the content of Al2O3 about 1 percent and the content of SiO2 less than 1 percent; the recovery of the Fe is more than 90 percent. The additive can destroy the structure of the high-alumina iron ore and create conditions for the Al-Fe separation, which is especially suitable for the Al-Fe separation of the high-alumina iron ore when iron ore and alumina ore are embedded by fine particles or alumina exists in isomorphous form in iron mineral.

The invention discloses a cutting device for wood production and processing. The cutting device comprises a moving seat, an upper end of the moving seat is provided with a working table, a cavity is opened in the working table, and the cavity is provided with a first threaded rod horizontally, a supporting plate is arranged on the first threaded rod, the supporting plate is rotatably connected with the first threaded rod, a placing plate is arranged on the right side of the supporting plate, a first motor is arranged on the upper end of the placing plate, and the first threaded rod is connected with the driving end of the first motor, and the lower end of the placing plate is provided with a bracket, the first threaded rod is symmetrically sleeved with moving blocks, and each moving blockis screwed with the first threaded rod, a first limit rod is arranged in the cavity horizontally. The cutting device has a stable structure, a simple operation, a scientific and reasonable design, a short production period, low production cost, is easy to control the thickness of wood cutting, easy to adjust the height of a cutter, easy to move, save a lot of time and energy of workers, and is worth promoting.

The present invention discloses a high-precision positioning and direction-finding receiver. The receiver comprises a base plate and a signal terminal and a body which are formed by employing an integrated forming mechanism, a heat radiation rack is sleeved on the body, a plurality of heat radiation fins are equidistantly clamped on the heat radiation rack, two nuts are symmetrically installed onthe heat radiation rack, each nut is in threaded connection with one bolt, the portion, located in the heat radiation rack, of each bolt Is rotationally connected with a first fixture block employingan arc structure, the heat radiation rack is fixed on the body through the first fixture block, two receiving grooves are symmetrically arranged on the body, the inner wall of the bottom end of each receiving groove is rotationally connected with one pedal, and the inner wall of the upper end of each receiving groove is provided with one first cavity. The high-precision positioning and direction-finding receiver is stable in structure, simple to operate, scientific and reasonable in design, short in production cycle, low in manufacturing cost, good in heat radiation performance, convenient todisassemble and assemble and convenient to be fixed on the ground, can save a lot of time and energy of workers, deserves to be popularized.

The invention discloses a lithium battery with good heat radiation properties and explosion prevention. The lithium battery comprises a shell, wherein a cover body is fixedly connected with the shell;a battery cell is mounted inside the shell; an anode connector and a cathode connector are mounted on the battery cell; both the anode connector and the cathode connector penetrate through the coverbody; a containing groove is formed in the shell; spring buckles are symmetrically mounted on inner walls at two ends of the containing groove; the two spring buckles are clamped with a fixing block;a heat radiation rack is integrally formed at the upper end of the fixing block; a baffle piece is fixedly connected with one end, far away from the cover body, of the heat radiation rack; both the anode connector and the cathode connector penetrate through the baffle pieces; an anti-explosion device is mounted on a side wall of the shell; an anti-explosion cavity is formed inside the anti-explosion device. The lithium battery is stable in structure, simple to operate, scientific and reasonable in design, short in production cycle, low in production cost, good in heat radiation property, convenient to dismount, and good in anti-explosion property; because the anti-explosion grade of the lithium battery can be adjusted, the lithium battery is relatively safe and is worthy of popularization.

An environment-friendly sculpture mold material comprises, by weight, rosin 60-70%, paraffin 8-20%, oil sludge 8-20%, quartz sand with particle size greater than or equal to 500 meshes 1-10% and sodium chloride 1-10%. The environment-friendly sculpture mold material has the advantages of being capable of being repeatedly utilized, lower in production cost, harder and more durable and being more environment-friendly.

The invention discloses a TK-JH mineral interface active material, and a preparation method and application method thereof. The TK-JH mineral interface active material is composed of the following components in percentage by weight: 30-60% of sulfate, 20-30% of silicate, 20-30% of plasticizing and water reducing agent, 3-6% of phosphate and 1-3% of alkylol amine salt. The TK-JH mineral interface active material can perform green revolution on the cementing material and foundation work, can make great contribution to energy saving and environmental protection, protection of mine resources, utilization of waste resources, sustainable development of circular economy and great exploits of centuries, and can become historical transitions in sunrise industry of cementing material and application of construction industry new materials in construction industry.