170results about How to "The production process steps are simple" patented technology

The invention discloses a solid wood bending technological method for a curve-shaped structural member of redwood furniture. The solid wood bending technological method comprises the following steps: (1) wood type selection and lumber processing; (2) boiling or steaming for thermal treatment for softening; (3) longitudinal compression; (4) die bending forming; (5) drying sizing; (6) aging for life nourishing; (7) later processing and bending to manufacture the curve-shaped structural member of the redwood furniture. The solid wood bending technological method has the advantages that the generally conventional lineation sawing processing method can be replaced; a redwood type solid wood lumber can be directly bent into a curve-shaped part; the production technological level for the curve-shaped part of the redwood furniture can be increased, and the production technological steps can be simplified; the utilization rate of redwood type woods can be increased, the intensity of the curve-shaped part is enhanced, and the texture and color effect and the paint decoration quality on the surface of a product are guaranteed.

The invention relates to a high-conductivity heat-resistance aluminum alloy wire and a preparation method thereof. The high-conductivity heat-resistance aluminum alloy wire comprises the chemical elements by weight percent: 0.03-0.06% of zirconium, 0.07-0.10% of silicon, 0.14-0.25% of iron, 0.03-0.06% of ytterbium, 0.01-0.04% of boron, not more than 0.02% of total amount of titanium, manganese, chromium and vanadium, and the balance of aluminum. The preparation method comprises the following steps: respectively weighing raw materials including aluminum ingots, aluminum-silicon alloy, aluminum-iron alloy, aluminum-ytterbium alloy and aluminum-boron alloy at a mass ratio of (6000-7000): (50-95): (15-55): (18-20): (40-85): (35-90); melting each raw material, performing purification regulating elements of an aluminum solution, slagging off, preserving the heat, standing, filtering the aluminum solution, casting and crystallizing; rolling ingot-casting-formed aluminum alloy ingots to form aluminum alloy wires, drawing the rolled aluminum alloy wires to form high-conductivity heat-resistance aluminum alloy wires. According to the prepared high-conductivity heat-resistance aluminum alloy wire, the electric conductivity is larger than 61% IACS, the tensile strength is larger than 160MPa, and the heat resistance is good; furthermore, the production technical steps are simple; by utilizing electric wires and cables produced by the aluminum alloy wires, the operation speed of a circuit can be improved, and the carrying capacity is improved.

The invention discloses an asphalt modifier and an industrial production method and application thereof. The asphalt modifier is prepared by uniformly mixing modified sulfur and red mud particles. The industrial production method comprises the following steps: 1, preparing the modified sulfur, namely performing sulfur fusion and sulfur modification; and 2, adding the red mud particles. In the industrial production method, the modified sulfur is prepared in a way that an olefin modifier and a sulfur modification additive are added into sulfur for modifying sulfur; a weight ratio of the olefin modifier to sulfur is 2-6:100, and a weight ratio of the red mud particles to the sulfur is 10-30:100. The application process of the asphalt modifier comprises the following steps: I, preheating raw materials; and II, mixing, namely mixing the preheated asphalt modifier, mineral aggregate and matrix asphalt. The asphalt modifier adopted in the production method is simple in production process, low in construction cost, incombustible, safe to use and excellent in performance, the amount of discharged atmospheric pollutants in the production and application process is small, comprehensive performance of the modified asphalt concrete is excellent, and industrial waste red mud can be effectively utilized.

The invention belongs to the technical field of tipping paper for cigarettes, and relates to preparation of tipping paper for cigarettes, in particular to a production technology of flock tipping paper for cigarettes. The production technology comprises the steps of uniformly printing a plurality of ink layers on the surface of raw tipping paper through utilizing a printing wire roll, wherein the dry coating amount of the ink layers is 0.1 to 2.0 g/m<2> per color, and the printing wire roll is a steel roll with 150 to 200 wires and the depth of 40 to 55 microns; drying; uniformly smearing flock gloss oil through utilizing the wire roll; continuously drying; and cutting an obtained semi-finished product, and carrying out gold blocking or punching in the follow-up procedure, wherein the raw tipping paper is in the ordinary type, silver white transferring type, transparent type, highlight type, laser type, or direct plating type, and the like. According to the production technology, the steps are simple, the production cost is low, environmental protection is achieved, production devices do not require any auxiliary device, a product can have a duck down touch feeling effect through only coating the raw paper or the raw paper ink layers with a layer of flock gloss oil, the decoration quality of the product is effectively improved, the touch feeling experience of consumers is improved, the product selling points of the tipping paper for cigarettes are increased, and the distinguishing degree of the tipping paper for cigarettes is improved.

The invention discloses carbon fiber prepreg and a preparation method thereof. The carbon fiber prepreg is mainly prepared from components as follows: epoxy resin, a curing agent, an accelerant and carbon fibers, wherein epoxy resin is prepared from novolac epoxy resin, liquid bisphenol A epoxy resin and solid bisphenol A epoxy resin in a mass ratio being 1:(1-2):1. The carbon fiber prepreg can be stored for more than 12 months at the normal temperature and can be widely applied to the fields of fishing tackles, sports apparatus, sporting goods, aerospace and the like.

The invention discloses a circuit breaker electrical contact support member and a preparation method thereof. The support member comprises a support member body made of a Cu/Fe/Cu material strip. One side of the support member body is provided with a built-in groove; the groove is embedded by a conductive insert block; and the insert block is provided with a contact point. The method is characterized by, carrying out thermal treatment on the Cu/Fe/Cu material strip, and rolling the Cu/Fe/Cu material strip obtained after thermal treatment; carrying out punching on the Cu/Fe/Cu material strip obtained after rolling to prepare the support member body; preparing the insert block, and inserting and welding the insert block to one side of the obtained support member body; and welding the contact point to the other side of the insert block. The support member is prepared by inserting the Cu block or other conductive metal blocks into the Cu/Fe/Cu composite strip, thereby improving the strength of the contact support member, ensuring stability of the current conduction when an electrical contact is contacted, and meanwhile, reducing copper material consumption and saving cost.

The invention discloses a preparation method of an amide copolymer hydrate kinetic inhibitor, and belongs to the technical field of preparation of chemical engineering reagents. The preparation method is concretely characterized in that the AM/AN/VCL ternary copolymer hydrate kinetic inhibitor with the molecular weight reaching 300,000-500,000 is synthesized from acrylamide (AM), acrylonitrile (AN) and vinyl caprolactam (VCL) in anoxic environment with azodiisobutyronitrile as an initiator and nonionic surfactant-containing deionized water as a disperse medium. The method has the characteristics of simple production process and low production cost, and the prepared inhibitor has the advantages of low injection dosage and long inhibition time.

The invention discloses an anisotropic composite profile, which comprises heat conduction silica gel and heat conduction sheets. The heat conduction sheets are arranged layer by layer at intervals, and the heat conduction silica gel fills a gap between every two adjacent layers of heat conduction sheets to form a heat conduction silica gel layer. The structure is novel, the method is innovative, the attaching performance of the anisotropic heat conduction material is optimized, the application range of the anisotropic heat conduction material is expanded, the production process steps are simple, the production efficiency is improved, and the production cost is reduced.

The invention discloses a molding die of a straight-tenon light wallboard. The molding die comprises a lower base plate, a front side plate, a rear side plate, a left side plate and a right side plate, wherein the front side plate is formed by splicing a plurality of front strip-shaped aluminum alloy molding modules which are tightly erected and arranged together side by side; the rear side plate is formed by splicing a plurality of rear strip-shaped aluminum alloy molding modules which are tightly erected and arranged together side by side; the left side plate, each front strip-shaped aluminum alloy molding module and the right side plate are integrally locked and connected by a first locking component; and the left side plate, each rear strip-shaped aluminum alloy molding module and the right side plate are integrally locked and connected by a second locking component. The invention further discloses a molding method for manufacturing the straight-tenon light wallboard by utilizing the molding die. According to the invention, a median septum is omitted, so that the process for dismounting and mounting the median septum is omitted. Therefore, the labor intensity of a worker is reduced, the production process step is simplified, the production efficiency is improved, and the problem of influence on the molding quality of a finished product caused by dismounting and mounting of the median septum is eliminated.

The invention discloses a quick lime desiccant, which solves the problems that a quick lime desiccant in the prior art is prone to being caked, so that the granularity of the quick lime is lowered, and a drying effect is influenced. The quick lime is prepared by mixing the following components in percentage by weight: 0.1%-0.5% of sodium tripolyphosphate, 0.1%-0.5% of chitosan, 1%-5% of nano-silicon dioxide and the balance of quick lime particles. The quick lime desiccant has the advantages of anti-caking, favorable moisture absorption and drying effects, low cost and the like. The invention also discloses a production process of the quick lime desiccant. The production process of the quick lime desiccant mainly comprises the steps of smashing lime stones, preparing calcined materials, preheating the calcined materials, carrying out calcinations on the preheated materials, outputting and crushing the materials, and packaging the mixture. The production process has the advantages of simple steps and easiness in operation, and is suitable for industrial production. Moreover, according to the production process, the under burnt or overburning phenomenon of the lime stones can be efficiently avoided, and the quality of the prepared quick lime is favorable.

The invention discloses a desulfurization wastewater treatment process characterized by comprising the following process steps: step 1, pretreatment, namely adding organic sulfur, carbonate and a flocculant into desulfurization wastewater to carry out a reaction, and removing calcium ions and heavy metal ions in the desulfurization wastewater to obtain a pretreatment solution; step 2, evaporationand concentration, namely evaporating and concentrating the pretreatment solution until the content of sodium chloride in a feed liquid is 200-280mg/l; step 3, cooling crystallization, namely carryingout cooling crystallization on the evaporated and concentrated feed liquid to obtain slurry, wherein the crystallization temperature is 20 DEG C or below, and the crystallization time is 0.25-1h; andstep 4, centrifugation and drying, namely carrying out centrifugation and drying treatment on the slurry subjected to cooling crystallization to obtain MgSO4-7H2O. During pretreatment, excessive calcium ions cannot be introduced, and the troublesome step that calcined soda is added to remove the calcium ions is not needed, so that the use amount of a reagent is reduced; in addition, the finally obtained product is MgSO4-7H2O, so that the economic benefit of the wastewater treatment process is increased.