32results about How to "Meet the technical requirements of the process" patented technology

A cutter belt processing device comprises a constant angle constant-pressure automatic compensating and feeding device and a dynamic positioning assembly, wherein the constant angle constant-pressure automatic compensating and feeding device and the dynamic positioning assembly are fixedly arranged on a base plate. The constant angle constant-pressure automatic compensating and feeding device comprises a grinder, an angle adjuster and a compensating feeder, wherein the grinder is arranged above the base plate through the angle adjuster, the grinder can rotate in a vertical plane above the base plate, and the compensating feeder is arranged on the grinder. The cutter belt processing device is strong in maneuverability, easy and convenient in angle adjusting and capable of meeting technological requirements for producing high-accuracy cutter belts, enables high-accuracy grinding of blades of the cutter belts to be easy and controllable, does not need manual or other types of intervention during service life of a grinding wheel, is high in dynamic positioning stability, cannot damage blades or abrade cutter bodies, guarantees technology and control stability of a cutter belt manufacturing process, avoids the time for replacing the positioning assembly when product specification needs to be changed and greatly reduces the preparation time for changing product specification.

The invention relates to the technical field of coating, and discloses water-based cold cut road marking coating which comprises the following components in parts by weight: 4.87 parts of water, 0.03 part of a fungicide, 1.5 parts of a water-based wax emulsion, 3 parts of ethanol, 0.4 part of a water-based dispersant, 27 parts of a water-based acrylic emulsion, 1-2 parts of organic bentonite, 1 part of a water-based drier, 5-8 parts of a pigment, 15 parts of a 40-60 mesh of glass bead, 30 parts of a 80-120 mesh of glass bead, 8.2 parts of white corundum, and 3 parts of a coalescing agent. The invention further discloses a preparation method of the water-based cold cut road marking coating. The preparation method comprises the step of uniformly mixing all the components. The water-based cold cut road marking coating combines the advantages of solvent marking coating and heat fusing marking coating, such as convenient and fast construction, environment protection, no pollution, ideal marking thickness, high drying speed and long service life, and is an ideal product replacing the solvent marking coating and the heat fusing marking coating.

The invention relates to a technology for treating steel mill converter gas dedusting water by adopting a low hardness method, which has the steps: wastewater from a converter gas washing tower enters an elevated tank, and an inorganic coagulant is added to the water body inside the elevated tank; an outlet of the elevated tank passes through a coarse granule separating machine which then recovers the coarse granule; the effluent of the coarse granule separating machine enters a slant plate sedimentation tank; an organic coagulant and a calcium reducing agent are added to the water body in the slant plate sedimentation tank; the sludge in the slant plate sedimentation tank is dewatered and reused; the effluent of the slant plate sedimentation tank enters a hot pond; an efficient sale-inhibition dispersion agent is added to the water body in the hot pond; and finally, the effluent of the hot pond is cooled by a cooling tower, enters a water cooling pond and is recycled to the converter gas washing tower for use. The technology has the advantages of improving water treatment efficiency, reducing water treatment cost, improving the cyclic utilization rate of the wastewater to 98 percent, ensuring zero wastewater efflux of the entire system and reducing water consumption per ton steel and wastewater discharge per ton steel, thus realizing the clean production of steel enterprises.

The invention provides a left wheel popup box type porous pull-down plug graphite water gap device of an electromagnetic slag smelter. The left wheel popup box type porous pull-down plug graphite water gap device of the electromagnetic slag smelter structurally comprises a moving arm, a plug shifting arm, a plug shifting air cylinder, a pin shaft, a fixed frame, a rotating shaft, a plug pushing air cylinder, a graphite water gap, a graphite plug and a porous cone. The left wheel popup box type porous pull-down plug graphite water gap device of the electromagnetic slag smelter has the advantages of achieving the effects that the blocking of high temperature slag in base flow of an electromagnetic induction slag smelter is relieved when the flow is open, and the flow is controlled at a constant temperature. Besides, the technological requirements of rock wool production are met, and a bottleneck is broken for the production of high quality rock wool. The designed bottom leakage deslagging water gap ensures flow accuracy, can be opened and closed at will, and does not waste melts. The energy consumption is low, thermal efficiency is high, the amount of waste residue is small, the fiber forming rate is high, and the cost advantage is obvious. The electromagnetic slag smelter is not only excellent in temperature rise and regulation performance, heat preservation performance and hardening and tempering performance, but also high in storage capacity, thereby laying a good foundation for scale production. The left wheel popup box type porous pull-down plug graphite water gap device has the advantages of being controllable in high temperature liquid state slag flow, smooth, free of blocking, safe, reliable, convenient to use and efficient.

The invention discloses a production method for preparing a composite particle glass raw material by utilizing silica powder waste and application thereof. The production method is carried out sequentially according to the steps of weighing and preparing materials, pickling and removing iron, stirring and preparing slurry, pressing by a machine to pelletize, air-drying and dehydrating, stacking and curing, sieving and sorting and the like. The silica powder waste and cheap light soda ash are recycled to perform the reaction so as to prepare the composite particle glass raw material. The high-quality raw material which has regular and uniform prefabricated particle size, low melting point and very low iron content and meets the requirement of a high-end glass product is provided. The glass production method can be greatly optimized. The production method has obvious effects of improving the quality of the glass product and reducing the production cost. Two technical difficult problems of high energy consumption and high manufacturing cost which are caused by pollution of waste fine silica powder to the environment for a long time in the silica industry and high consumption of dense soda ash of glass production enterprises are well solved. The production method has great social effects of saving energy, reducing emission and protecting the environment and great economic benefits and has excellent popularization and application prospects.

An apparatus for carrying out mass transfer processes with high-viscosity liquids is described, particularly for boiling down and/or devolatilizing polymer melts, comprising at least a vertically arranged vessel (1) having a feeder means (4) for the liquid to be treated, an outlet (7) for volatile components and an outlet (6) for the treated liquid, the feeder means (4) being equipped with a distributor element (3) having a multiplicity of orifices (8, 10) for subdividing the high-viscosity liquid to be treated into a multiplicity of individual streams, characterized in that essentially vertically arranged wire loops (2) are disposed in the vicinity of the orifices (8, 10), along which wire loops the high-viscosity liquid runs off under the action of gravity.

The invention discloses a measurement method for the base fluid density of organic salt drilling fluid or well completion fluid. The method comprises the following steps that 1, base fluid is prepared, wherein the organic salt drilling fluid or the well completion fluid is filtered by using a medium-pressure filtration instrument, and prepared filtrate is the organic salt drilling fluid or the well completion fluid; 2, a mass-volume method is adopted for measuring the base fluid density of the organic salt drilling fluid or the well completion fluid, a microscale sample injector is used for measuring the base fluid volume of the organic salt drilling fluid or the well completion fluid, an analytical balance is used for measuring the base fluid mass of the organic salt drilling fluid or thewell completion fluid, and the base fluid density of the organic salt drilling fluid or the well completion fluid is obtained through a formula that rho is equal to the specific value of m to V; thecontent of organic salt in an organic salt drilling fluid or well completion fluid system can be accurately assessed, and a basis is provided for daily maintenance of drilling fluid or well completionfluid.

The invention provides a furnace temperature measuring blank and a furnace temperature uniformity measuring method. The furnace temperature measuring blank and the furnace temperature uniformity measuring method using the measuring blank are included. The measuring blank is obtained as follows: a blank is drilled to obtain a perforated blank, and a temperature measuring device is inserted into a temperature measuring hole (1) of the perforated blank to obtain the measuring blank. The furnace temperature uniformity measuring method comprises the steps as follows: the measuring blank is connected with an electronic data recorder and placed in an induction furnace, the induction furnace is heated by a preset procedure, and data are read on the electronic data recorder. Compared with a traditional measuring method, the method can truly reflect material temperature condition in actual production, can ensure the blank heating temperature to meet the process technology requirement during workof the induction furnace, has higher practicability and can accurately reflect temperature uniformity of upper and lower ends, the middle and inner and outer metal of the heated blank, so that the induction furnace reaches the qualified state required by the process. The method can set induction heating process parameters of certain metal.

The invention discloses a production method for a non-plastic unburned ceramic product. The ceramic product is produced by adding a liquid raw material composed of magnesium chloride, sodium silicate and defoamer in poor raw materials of industrial magnesium oxide, quartz, silicon carbide and chamotte powder, and injecting in a non-water-absorbent material die by a solid grouting method. The method disclosed by the invention is capable of producing cubic ceramic products and large product ceramic arts, has the advantages of being simplified in procedures, simple and easy to learn, energy-saving and environment-friendly, low in cost, wide in application range and the like, and is capable of providing more better choices for consumers, and good in social benefits and economic benefits.

The invention relates to a photovoltaic module lamination chamber, lamination device and lamination method. The photovoltaic module lamination chamber comprises: an upper chamber shell; a lower chamber shell that can be hermetically connected with the upper chamber shell and is provided with an air suction hole at the bottom; a heating plate disposed in the lower chamber shell and not covering theair suction hole; lower lamination cloth, which is made of an impermeable material, is fixed to the lower chamber shell, covers the heating plate, is used for placing a photovoltaic module and does not cover the air suction hole; and upper lamination cloth, which is made of the impermeable material, is fixed to the upper chamber shell, and can cover the air suction hole when a negative pressure is formed in the lamination chamber to generate a pressure for the photovoltaic module. By adjusting the equipment structure, the lamination chamber may use no silica gel plate.

The invention discloses a cyclone generator which is mainly composed of a center shaft, a one-way valve, an outer shell, a rotor, a stator and a flow guide body. An annular groove is formed in the periphery of the center shaft; a bypass hole is formed in the upper portion of the center shaft; a flow drainage hole is formed in the lower portion of the center shaft; the outer shell wraps the annulargroove of the center shaft and is in rotating fit with the center shaft; an annular driving cavity is formed between the outer shell and the center shaft; the upper portion and the lower portion of the annular driving cavity are communicated with the bypass hole and the flow drainage hole respectively; the one-way valve is arranged in the bypass hole; the rotor and the stator are arranged in theannular driving cavity formed between the outer shell and the center shaft; the rotor is fixed to the inner wall of the outer shell; the stator is fixed to the outer wall of the center shaft; and theflow guide body is arranged on the outer surface of the outer shell. The cyclone generator can completely meet the well cementation process requirements of complex structure wells of domestic verticalwells, directional wells and horizontal wells, and is a novel tool which is simple in structure, convenient to operate, low in cost, safe and reliable.

The invention relates to the technical field of medicines, in particularly to a safinamide mesylate tablet and a preparation method thereof. The safinamide mesylate tablet is prepared from the following components in percent by weight: 31.99% of safinamide mesylate, 46.17% of microcrystalline cellulose (M101), 18.44% of crosslinked povidone (internally added), 1.94% of hydroxypropyl methylcellulose (QBJ-E50), 18.44% of crosslinked povidone (externally added), 3.88% of silicon dioxide, 0.49% of magnesium stearate and 2.91% of a film coating premix. The invention further discloses the preparation method of the safinamide mesylate tablet. Wet granulation is adopted, the technical process is stable and mature, equipment is simple, suitability for industrial mass production is achieved, and thedissolution is relatively high.