40results about How to "Less investment in transformation" patented technology

The invention provides a ceramic formula, comprising, by weight, 55 to 65 parts of clay, 20 to 30 parts of a flux and 15 to 23 parts of a fluxing agent, wherein the clay is a mixture of purple sandshale and china clay mixed according to a weight ratio of 0.67 to 2.0, the flux is shale, and the fluxing agent is one or more selected from the group consisting of limestone, calcite, diopside, wollastonite, dolomite, talcum and industrial waste residue. A preparation method for a ceramic product comprises the following steps: weighing the clay, the flux and the fluxing agent according to the formula, carrying out crushing and screening with a 250-mesh sieve, wherein the weight of screen residue is 1 to 1.5%, adding water, carrying out blending to obtain slurry and then carrying out drying and granulation so as to obtain powder; grading particles and then carrying out molding so as to prepare a green body; carrying out drying so as to prepare a dry body; and carrying out firing so as to prepare a seasonal ceramic body. According to the ceramic formula and the preparation method for the ceramic product in the invention, raw materials are cheap, process is simple, firing temperature is reduced, production cost is decreased, investment for production equipment is lowered down, production efficiency is improved, and energy consumption is reduced.

The invention discloses a multi-hole superfine denier polyamide 6 POY/FDY interlacing composite fiber, its preparation method and its device. The invention is characterized in that a current FDY production device is used, a raw material polyamide 6 is sliced and dried, an additive is on-line added, the sliced polyamide 6 is subjected to screw extrusion and melt extrusion, strand which is subjected to annealing and circular-blow wind cooling solidification is divided in to two beams, one beam of the strand is subjected to oiling, pre-networking, stretching and thermosetting to obtain FDY; another beam of the strand is subjected to oiling and then is input to a first godet roller, and then subjected to pre-networking and input to a second godet roller to obtain POY, then simultaneously input in an interlacing nozzle for compositing, a process of winding formation is carried out to prepare the multi-hole superfine denier polyamide 6 POY/FDY interlacing composite fiber. According to the fiber molecular structure performance design and the fiber form control, a process optimization scheme is determined to obtain the composite silk fiber with differential linear density, differential elongation and differential shrinkage, the fiber has the advantages of moisture absorption, breathability, good drapability, high color rendering, good comfortableness and the like.

The invention discloses a one-step spinning and winding combined manufacturing process for 24-head/position multi-heterogeneous hybrid yarn composite fiber. The process comprises the steps of material preparation, crystallization and drying, melting and filtering, melt distribution, spinning of pre-oriented yarns and fully-drawn yarns, oiling, pre-meshing of the fully-drawn yarns, drawing and sizing of the fully-drawn yarns, composite meshing and winding (fixed length and fixed weight) in turn. The process fully utilizes and reforms the existing spinning and winding equipment to integrate spinning and winding at one time, and can produce 24 spinning cakes with fixed length and fixed weight at each position simultaneously so as to improve the production efficiency and economic benefit; and the produced multi-heterogeneous hybrid yarn composite fiber has high quality.

The invention relates to a differential shrinkage composite fiber and a processing method thereof. The processing method includes the sequential steps of subjecting to raw materials, namely pure terephthalic acid and glycol, to esterification to obtain polyester melt, delivering the melt, simultaneously spinning pre-oriented yarns and full-drawn yarns, oiling, pre-interlacing the full-drawn yarns, drafting the full-drawn yarns, interlacing and complexing, and winding to produce the differential shrinkage composite fiber of 47dtex/48f. Existing equipment is fully modified, spinning and winding are integrated, 20 fixed-length constant-weight spinning cakes can be produced at each station, production efficiency is high, yield is increased, product quality is stable, the produced fiber has differential shrinkage, post-processing gigging is effective, the differential shrinkage composite fiber feels nice, is thick and is widely applicable to production of chiffon and printed fabrics.

The invention discloses a process for producing an enameled wire for a compressor. The process comprises the following steps of: an extrusion procedure: extruding an oxygen-free copper rod produced by the continuous casting and rolling process to obtain a bare copper wire; cleaning the bare copper wire, removing oil stain and attachments on the surface of the bare copper wire to achieve the surface cleanness required by a painting procedure; and a painting and baking procedure: painting the bare copper wire in a manner of supplying paint by a metering pump and painting by a plurality of moulds, wherein the primer is polyesterimide and the finish paint is polyamideimide composite insulation paint; carrying out secondary baking by using hot air circulation and catalytic combustion, and sufficiently combusting solvent in the insulation paint; and gathering the wire to obtain the enameled wire for a compressor. The process disclosed by the invention has simple process, small investment and short time for refitting the current equipment; and the produced enameled wire can fully meet the requirements of the R134a compressor.

The invention provides an automatic interstation blocking control method and system under heavy-load movable blocking. The method includes: arranging an axle counter between a first state and a secondstation; determining interstation state between the first station and the second station according to interstation occupation condition between the first station and the second station and collectedby the axle counter by interlocking equipment of the first station or that of the second station; when the first station applies an outgoing route to the second station, determining interstation statebetween the first station and the second station by the interlocking equipment of the first station and that of the second station by means of mutual communication, and performing control managementon interstation blocking between the first station and the second station according to the interstation state between the two. By the method, the characteristic that mutual communication can be realized during interlocking under movable blocking is utilized fully, the axle counter is arranged to collect the interstation occupation condition on the basis of interlocking communication, automatic interstation blocking is realized, and running efficiency after heavy-load movable blocking degradation is improved effectively.

The invention discloses a high-elasticity extinction TSF composite fiber chip fabric which is characterized in that the high-elasticity extinction TSF composite fiber chip fabric is made through extrusion, metering, yarn recombination, filament spraying, cooling, oiling, stretching and shaping, and winding of an extinction PTT constituent melt and an extinction PET constituent melt; the ratio of the extinction PTT constituent to the extinction PET constituent is 6:4-4:6; the extinction PET constituent contain PET and ash; the ratio of PET to ash is 98:2; the extinction PTT constituent contains PTT and ash; and the ratio of PTT to ash is 98.5:1.5. According to the invention, elasticity of the high-elasticity extinction TSF composite fiber chip fabric can be enhanced; certain light shielding effects can be achieved; production efficiency and production quality can be increased; and production cost can be reduced.

The invention discloses an area positioning navigation system based on traffic sign information lines and a working method thereof, and belongs to the field of positioning and navigation. The positioning navigation system comprises a traffic sign information line containing distance and position information, a video acquisition unit, a control unit and a mobile unit, wherein the traffic sign information line is laid on an area road, and the video acquisition unit and the control unit are installed on the mobile unit; when the mobile unit moves, the video acquisition unit acquires an image of the traffic sign information line, the control unit identifies and calculates the position information and the moving distance of the point, and the navigation of the mobile unit is realized in combination with an electronic map. The method overcomes the current situation of high cost of vehicle positioning navigation in the prior art, realizes high-precision and low-cost positioning navigation in an area by combining a large number of traffic marker lines laid in a city with a video recognition technology which is maturely applied at present, and can be applied to the fields of automatic driving, automatic parking and the like.

The invention provides a dielectric protective film of a plasma display panel, a preparation method of the dielectric protective film, and a plasma display panel comprising the dielectric protective film. According to the preparation method of the dielectric protective film, an intermittent oxygen aeration technique is adopted in the manufacture process of the dielectric protective film, such that a dielectric protective film with a plurality of magnesium oxide layers can be obtained. According to the preparation method of the invention which is simple in process, only a system for controlling oxygen flow and ventilation time is required to be additionally arranged on existing equipment, and the preparation method can be realized under the premise that the structure of the equipment is not modified basically, and therefore, modification investment on processing equipment can be low. The dielectric protective film obtained through adopting the preparation method of the invention has the plurality of magnesium oxide layers, and the degree of crystallinity of magnesium oxide layers which are formed under an oxygen aeration condition is high, and magnesium oxide layers which are formed under an anaerobic condition are compact, and therefore, the plasma display panel comprising the dielectric protective film can have high luminous efficiency under low voltage.

The invention discloses a cooling system of an oil-immersed self-cooling transformer. The system comprises a winding temperature monitoring unit, an oil surface temperature monitoring unit, a humidifying unit, an air supply unit and a control module, the control module controls starting and stopping of the humidifying unit according to signals of the winding temperature monitoring unit, and the control module controls starting and stopping of the air supply unit according to signals of the oil surface temperature monitoring unit. The invention aims to provide the cooling system for the oil-immersed self-cooling transformer, so as to solve the problems that the oil-immersed self-cooling transformer in the prior art is poor in heat dissipation capability and is in a high-temperature alarm state for a long time, and achieve the purposes of reducing manpower consumption and improving heat dissipation efficiency.