40results about How to "Expand the variety range" patented technology

The invention belongs to the technical field of metal material manufacturing, and in particular relates to super deep-drawing cold-rolled enamel steel produced by an ASP diplex process and a manufacturing method thereof. The enamel steel comprises the following components in percentage by weight: less than or equal to 0.005% of carbon, less than or equal to 0.030% of silicon, 0.10 to 0.35% of manganese, less than or equal to 0.015% of phosphorus, 0.015 to 0.035% of sulfur, 0.015 to 0.050% of acid dissolved aluminum, 0.070 to 0.10% of titanium, 0.0040 to 0.0070% of nitrogen, and the balance of iron and unavoidable impurities. The manufacturing method comprises the following steps of: (1) smelting by a converter, (2) refining by an LF (ladle furnace), (3) vacuum-refining by an RH furnace, (4) continuously casting and rolling, (5) washing by acid, cold-rolling, annealing and flattening. By adoption of the LF and RH diplex process, the mass production of the super deep-drawing cold-rolled enamel steel is successfully realized on an ASP production line.

The invention relates to a water repellent finishing agent, which comprises the following components in percentage by mass: 50 to 80 percent of fluorine-containing emulsion, 10 to 30 percent of resin finishing agent, 5 to 20 percent of softening agent and 0.3 to 2 percent of thickening agent; and pH value buffer solution is added to adjust the pH value of the water repellent finishing agent to between 4 and 7. The invention also relates to a method for manufacturing moisture absorbing and sweat releasing jean fabric by using the water repellent finishing agent, which comprises the following steps: performing water repellent coating finishment on the inner side of the jean fabric by using the water repellent finishing agent; and not treating the outer side of the jean fabric to keep the hydrophilicity of cotton, wherein the water repellent coating finishment process comprises the steps of coating the inner side of the jean fabric, pre-drying, baking, and cooling and cloth falling; the pre-drying temperature is between 80 and 135DEG C, and the time is 1 to 150 minutes; and the baking temperature is between 110 and 170DEG C and the time is 2 to 10 minutes. By adopting the water repellent finishing agent and the method for manufacturing the moisture absorbing and sweat releasing jean fabric, common jean fibers can be manufactured into the moisture absorbing and sweat releasing jean fabric with good washing fastness and strong processability.

The invention discloses a production process of colorful soft denim. The production process comprises the specific steps as follows: pre-treating; feeding cloth-immersing in water and penetrating-straightening weft; and overfeeding-drying-dyeing-dehydrating-washing with ferment-washing and whitening-feeding a softening agent-sizing. By virtue of the process, the air permeability can be effectively improved, the light shading property is reduced, the perspective property of a fabric is avoided and an ultra-soft denim fabric with soft and light texture is prepared; a condition that the denim is faded can be effectively reduced, the stability of the shrinkage rate and the gram weight of the denim are guaranteed and the sizing property is good; and an optimal fabric condition is created for clothes manufacturing. Meanwhile, the problems of traditional denim that the color is single, a fabric surface style is dull and visual impact is lacked are solved, and the trend of times is adapted.

The invention belongs to the technical field of cloisonne manufacture, in particular to a process for manufacturing cloisonne silverware. A body is made of silver, and filamentary silver is used for filigree; and the process comprises the following process steps of: rolling the body; soldering filigree; welding; filling enamel; firing the enamel; and polishing, wherein after an enamel filling procedure, the inner wall of a silver body is filled with a cool medium material, the cloisonne silverware filled with the cool medium material is put into a furnace for enamel firing, and the cloisonne silverware is immediately taken out of the furnace once the enamel is melted. In the process for manufacturing the cloisonne silverware, the adopted cool medium material effectively reduces the heat conducting or heat dissipating speed of the silver body, the problem of corrosion of a copper body is solved, and the silver is used as an inner body, so that the cloisonne has health-care effect and higher visual aesthetic feeling.

The present invention discloses a xylon polymerized composite material and its preparation method. The xylon polymerized composite material provided by said invention contains 65-85 wt% of modified xylon raw material, 10-30 wt% of thermoplastic material and 5-10 wt% of additive. The modified xylon raw material is obtained by spraying reactive initiator into the broken xylon raw material, sealing and stacking the above-mentioned material. Said xylon polymerized composite material can be made into various products instead of various plastics and wood material.

The invention discloses a high-temperature pulse flow yarn dyeing machine with an ultra low bath ratio and a control method thereof. The yarn dyeing machine comprises a dye vat, a creel, a heat exchange coiler, an adaptive water level monitoring device, a variable frequency motor, a three-level vane pump with an ultra low bath ratio and a dyeing computer. The method comprises the following steps: a time pulse generator in the dyeing computer gives out pulse flow data to a variable frequency motor controller to control the revolving rate of the variable frequency motor according to the set technological process; the variable frequency motor drives the three-level vane pump with an ultra low bath ratio to output dyeing flow in pulse flow type fluctuation; the output dyeing flow carries out adaptive adjustment according to an ideal reference model in the dyeing computer; the adaptive water level monitoring device gives out water-level reference identification information; and according to the information, a water level regulator and the variable frequency motor controller respectively regulate the water level and the variable frequency motor to reach the water level and the pulse flow required by the set technological process. The pulse flow dyeing technology in the invention conforms to the requirement of the minimum consumption of four factors, namely, water, energy, accessory ingredient and time for economical dyeing of ecological environment protection.

The invention relates to the technical field of metal smelting, and provides a production technology of low-phosphorous stainless steel. The production technology of the low-phosphorous stainless steel comprises the steps that solid metal is placed into a non-vacuum induction furnace to be melted, and the carbon content in obtained molten steel is adjusted to be greater than or equals to 1.0%; themolten steel is blended into an AOD furnace to be blown, and the blowing temperature is controlled at 1550 DEG C-1600 DEG C; slag making materials are added into the molten steel for slagging in theblowing process, and the target alkalinity is 3.5-4.5; gas of oxygen and nitrogen is mixed for blowing, and the gas flow is controlled to 800-1000m<3>/h; blowing is stopped after 40-50 minutes of blowing, and the phosphorus content in the molten steel is analyzed by sampling; and when the phosphorus content is less than or equals to 0.003%, oxidizing slag in the furnace is removed, and then conventional smelting is carried out on the obtained low-phosphorus molten steel. The phosphorus content in the obtained stainless steel is lower than 0.015%, and production of stainless steel such as nuclear power and chemical industry is met. Compared to a traditional dephosphorization technology, the production technology of the low-phosphorous stainless steel greatly saves energy consumption and reduces production cost, and the dephosphorization efficiency is high.

The invention discloses a production device of a PVA multi-product polymerization system, belonging to the field of chemical engineering. The system device comprises the following main equipment: a polymerizing pot 1, a polymerizing pot 1 resin pump, a polymerizing pot 2, a polymerizing pot 2 resin pump, a polymerizing column 1, a polymerizing column 1 pot pump, a PVAC storage tank, a polymerizing preheater, a mixer, a polymerizing pot 1 agitator, a polymerizing pot 1 jacket, a polymerizing pot 2 jacket, a polymerizing pot 2 agitator, a nitrogen gas buffer tank, a water seal pressurizing tank, a column 1 level control valve, dissolution methanol, a pot 2 outlet liquid mixer, a column 1 pot outlet resin mixer and a polymerizing column 2. The equipment is interconnected through pipelines. The technical scheme of the invention can realize integrated control of a multi-product production process as well as safe and quick control of a product transformation process. The product transformation process needs not reduction in amount and can maintain the maximum amount as design. Meanwhile, an SIS system can satisfy treatment under special working conditions and ensure safety of a polymerization process.

The invention discloses a roller type continuous cold roll forming method for a Z-shaped steel sheet pile. The method comprises the steps of feeding, uncoiling, flattening, roller type continuous coldbending deformation, finishing, cutting and the like; and a lock hook is formed through a descending hooking method. The method is reasonable is design and clear in logic; one set of product mold canbe used for producing various steel sheet pile products; side vertical rollers are not needed during lock hook deformation, so that torque is saved, and energy consumption is reduced; unit potentialis released, the specifications of machinable products are expanded, the market adaptability is high; the product specification exchange speed is high, and the labor cost is reduced; and the market application of the cold-bending steel sheet pile is expanded, and the variety range of the steel sheet pile is further expanded.

The invention discloses a method for processing rare earth photochromic color flash air-jet vortex spun yarns. The method comprises the following steps of carding and opening rare earth photochromic fibers and other fibers respectively; performing quantitative cohesion and blend on the rare earth photochromic fibers and other fibers by using airflow; carding cotton and performing a three-pass drawing procedure; drawing, twisting, spooling and winding blended fibers by using air-jet vortex spinning to obtain rare earth photochromic fiber color flash air-jet vortex spun yarns. The rare earth photochromic fibers and other natural color fibers, colored fibers in obvious contrast to the rare earth photochromic color, or a mixture of natural color fibers and colored fibers is blended, so that the characteristics of the rare earth photochromic fibers are fully utilized to enable the yarns to present a color flash effect, the prepared yarns do not require a dyeing procedure to avoid the problem that the rare earth photochromic fibers are difficultly dyed, and the production cost is reduced.

The invention discloses a combined type box steel sheet pile and an assembling method thereof, and belongs to the technical field of combined type box steel sheet piles. A first assembly and a secondassembly are placed on the top of a strip-shaped plate through lifting of a travelling crane to be clamped through a third female locking opening and a second male locking opening respectively, spacesbetween the first assembly and the second assembly, and the strip-shaped plate are welded to form a first welding strip, a structure formed by the first assembly, the second assembly and the strip-shaped plate is turned over to enable the strip-shaped plate of the structure to be upward, a fourth assembly and a third assembly are placed on the top of the strip-shaped plate through lifting of thetravelling crane to be clamped through a first female locking opening and a first male locking opening respectively, spaces between the fourth assembly and the third assembly, and the strip-shaped plate are welded to form the first welding strip, the fourth assembly and the second assembly are welded to form a second welding strip, and the third assembly and the first assembly are welded to form the second welding strip.

The invention discloses a production process of a snow wash denim fabric with a warm-keeping function. The production process specifically comprises the following steps: weaving a fabric, feeding the fabric, performing water saturation soaking, performing weft finishing, overfeeding, baking, performing dry-grinding by using pumice, matching, washing, neutralizing, coating a softening agent, fixing the shape, and molding. By adoption of the production process, the phenomenon that a denim fabric is faded can be effectively reduced, the shrinkage rate and the gram weight stability of the denim fabric can be ensured, the denim fabric is good in molding property, and an optimal fabric condition is created for clothes production.