41results about How to "Slow motion rate" patented technology

The invention provides composite aramid paper with high dielectric property. The composite aramid paper comprises more than two layers of single-layer aramid paper, and the single-layer aramid paper is combined into a whole through a high-temperature-resistant adhesive layer containing inorganic nanofiller to form the composite aramid paper. The preparation method comprises the following steps: blending the high-temperature-resistant adhesive, an inorganic nano filler, a diluent and a dispersing agent, stirring at a high speed, uniformly dispersing, preparing a high-temperature-resistant adhesive solution, uniformly spraying the prepared high-temperature-resistant adhesive solution to a to-be-bonded surface of single-layer aramid paper, baking to volatilize a solvent, bonding the surfaces of more than two layers of single-layer aramid paper, and carrying out hot rolling to form a whole. According to the composite aramid paper, the paper contains the inorganic nano material layer in a bonding manner, and the inorganic nano material has the effects of inhibiting space charge aggregation in insulation paper, reducing the movement rate of current carriers and weakening overload pulse voltage so that the composite aramid paper has corona resistance of pulse voltage resistance and higher breakdown strength, and the insulation protection performance and the service life of a motor insulation system can be greatly improved.

The invention discloses a sewage treatment device for industrialized production which is easy to clean up waste water scum, which comprises a device body, a water inlet bucket, a refrigerator and a water outlet chamber. The first collection chamber is fixedly installed on the left and right sides of the water bucket, and a circular gear ring is installed on the lower end of the guide pipe, and the inside of the circular gear ring is connected with built-in blades, and the sides of the circular gear ring are installed There are missing gears, the side of the device body is provided with a material leakage port, the second collection chamber is fixedly installed on the side of the device body, and a water outlet cavity is installed inside the device body. The sewage treatment device for industrial production that is easy to clean up waste water scum can improve the cleaning effect of the scum in the sewage, and at the same time can uniformly collect and treat the cleaned scum, and can reduce the toxic gas volatilized from industrial sewage, and Can reduce the activity of bacteria and viruses.

The invention relates to a preparation method of a porous carbon-coated lithium iron phosphate anode material. The preparation method comprises the following steps: (1) mixing LiFePO4 with a carbon source to obtain a mixture A, and mixing the mixture A with volatile ammonium salt so as to obtain a mixture B; mixing deionized water with absolute ethanol to obtain a solution C; finally, mixing the mixture B with the solution C, so as to prepare slurry; (2) stirring the slurry obtained in the step (1), freezing the slurry at minus 50-minus 10 DEG C for 1-2 hours, drying and grinding at a vacuum state, and heating at 50-120 DEG C for 1-2 hours; and (3) sintering at 400-750 DEG C for 2-4 hours in the presence of nitrogen, and cooling to the room temperature, so as to obtain the porous carbon-coated LiFePO4 / C. By forming holes by virtue of inorganic salt which can be directly decomposed in a gas phase, the preparation method has the special advantages that the process is simple, the cost is low, impurities are not introduced, and the like; and the preparation method is applicable to large-scale industrial production.

The invention discloses an integrated device for liquefying and mechanizing kitchen waste. The integrated device for liquefying and mechanizing the kitchen waste comprises a reactor and a heating tracing device packed on the outer side of the reactor; a stirring device for uniformly stirring the kitchen waste inside the reactor is mounted at the bottom inside the reactor; a turbulent flow board for dividing the reactor into a reaction area and a liquid outlet area is further mounted at the upper part of the reactor; and a depression area for conveniently realizing solid-liquid separation of a kitchen waste mixture is formed by the turbulent flow board in the reactor. The integrated device for liquefying and mechanizing the kitchen waste, provided by the invention, controls a flow state of the kitchen waste in a liquefying reactor through mechanical stirring; when the integrated device for liquefying and mechanizing the kitchen waste is operated, the kitchen waste is rapidly scattered in the reaction area under the stirring effect of a stirring blade, so that the kitchen waste is in a liquefied state, the linear speed of the kitchen waste mixture is reduced through the turbulent flow board, and the solid-liquid separation of the kitchen waste mixture is realized in the depression area. The integrated device for liquefying and mechanizing the kitchen waste, provided by the invention, is applicable to liquefying the kitchen waste.

The invention provides a method for preparing meta-aramid-fiber insulating paper capable of inhibiting space charge accumulation. Through modifying meta-aramid-fiber insulating paper by using nano TiO2, the meta-aramid-fiber insulating paper, which has excellent performance, can inhibit space charge accumulation, has excellent insulating property and mechanical properties and is applicable to high-electric-field environments. The method provided by the invention comprises the following steps: a. mixing meta-aramid-fiber chopped fibers and meta-aramid-fiber pulp, and carrying out dispersing, relieving and pulping, so as to prepare a paper pulp mixed solution; b. mixing the paper pulp mixed solution prepared in the step (a) with nano TiO2 and a deionized water solution, carrying out relieving, then, carrying out pulping, so as to prepare nano TiO2 modified meta-aramid-fiber paper pulp; carrying out papermaking forming on the nano TiO2 modified meta-aramid-fiber paper pulp prepared in the step (b), thereby preparing the meta-aramid-fiber insulating paper capable of inhibiting space charge accumulation.

The invention relates to a multifunctional valve and a multifunctional valve combination valve. The multifunctional valve and the multifunctional valve combination valve comprise a valve body, a valve cavity which is arranged in the valve body and a valve rod which is arranged in the valve cavity, wherein a middle inlet, a left inlet and a right inlet are arranged on one side of the valve body, the middle inlet is used for the entering of pressure mediums, the left inlet and the right inlet are used for the selective entering of the pressure mediums, a left outlet and a right outlet are arranged on the other side of the valve body, the left outlet and the right outlet are used for the discharging of the pressure mediums, and the left inlet and the left outlet and the right inlet and the right outlet are selectively communicated in a corresponding mode through the matching of the valve cavity and the valve rod. The multifunctional valve and the multifunctional valve combination valve are characterized in that the left inlet is communicated with a left cavity correspondingly, the right inlet is communicated with a right cavity correspondingly, and correspondingly, the left cavity and the right cavity are communicated with the left outlet and the right outlet through a left throttle valve and a right throttle valve. According to the multifunctional valve and the multifunctional valve combination valve, a piston can be slowly contacted with the end portion of a piston cylinder, the collision and the abrasion to a piston rod when the piston is moved rapidly are avoided, the service life of the piston cylinder is prolonged effectively, and meanwhile the operation safety of the piston cylinder and the stability of the piston cylinder are ensured.

The invention discloses a multi-stage spray treatment device for waste gas of a printing and dyeing setting machine. The multi-stage spray treatment device comprises purification chambers including a primary purification chamber and a secondary purification chamber, wherein the interior of the primary purification chamber is divided into multiple layers of purification areas through partition boards; the partition boards are horizontally arranged in parallel in a staggered manner; an all-directional fine atomization area is arranged above a second air inlet of the secondary purification chamber; a water curtain wall blockage area is arranged at the upper part of the fine atomization area; a plurality of tower plates are vertically arranged in the water curtain wall blockage area, a plurality of spray nozzles are placed between the inner wall of the water curtain wall blockage area and the tower plates and between every two tower plates in a staggered manner, and the outlet directions of the spray nozzles are opposite; the spray nozzles spray airflow and water to the inner wall of the water curtain wall blockage area or the tower plate walls simultaneously to form a water curtain wall, so that liquid drops flow downwards along the tower plate walls or the inner wall of the water curtain wall blockage area, and the purified gas runs upwards continuously. According to the invention, the spray mechanism has three different effects, so that the dust collecting efficiency is improved, the production cost is reduced, and the multi-stage spray treatment device can be widely applied to treatment of waste gas of the printing and dyeing setting machine.

The invention discloses a kitchen waste liquefaction and double-cycle treatment integrated device comprising a reactor and a heat tracing device coated on the outer side of the reactor, wherein an outer cycle device which is communicated with the inside of the reactor and is used for uniformly stirring kitchen waste inside the reactor by using material flow is further mounted on the outer side of the reactor; a turbulent flow board for dividing the reactor into a reaction area and a liquid outlet area is further mounted at the upper part of the reactor, and forms a depression area for realizing solid-liquid separation of kitchen waste mixture in the reactor. The kitchen waste liquefaction and double-cycle treatment integrated device provided by the invention controls a flow state of the kitchen waste inside the liquefaction reactor through the outer cycle device; the kitchen waste is quickly diffused in the reaction area when the kitchen waste liquefaction and double-cycle treatment integrated device is operated, so that the kitchen waste is in a liquefaction state; the kitchen waste flows under the effect of the outer cycle device; and the turbulent flow board reduces an online speed of the kitchen waste mixture, and realizes the solid-liquid separation of the kitchen waste mixture in the depression area. The kitchen waste liquefaction and double-cycle treatment integrated device provided by the invention is applicable to liquefaction treatment of the kitchen waste.

The invention relates to a multifunctional valve and a combination valve thereof. The multifunctional valve comprises a valve body, a valve cavity formed in the valve body and a valve rod arranged in the valve cavity, wherein a middle inlet allowing pressure media to enter, a left inlet and a right inlet are formed in one surface of the valve body, and the pressure media can selectively enter the left inlet and the right inlet; a left outlet and a right outlet which allow the pressure media to be discharged are formed in the other surface of the valve body; and the left inlet and the left outlet as well as the right inlet and the right outlet are selectively and correspondingly communicated through matching of the valve cavity and the valve rod. The multifunctional valve is characterized in that the left inlet and the right inlet are communicated with the left outlet and the right outlet through respective damping channels, so that a piston can slowly touch the end part of a piston cylinder, a piston rod is prevented from being collided and abraded when the piston moves at a high speed, the service life of the piston cylinder is effectively prolonged, and simultaneously, operation safety and stability of the piston cylinder are guaranteed.

A method for forming a semiconductor structure, comprising: providing a semiconductor substrate, the semiconductor substrate has a first region, a plurality of protruding first gate structures are formed on the first region, adjacent to the first gate structure There is a first groove between them; hydrophobic treatment is carried out on the surface of the side wall of the first groove, so that the first groove has a hydrophobic side wall; a first medium is formed in the first groove by a fluid chemical vapor deposition process layer, the reactant used in the fluid chemical vapor deposition process is a hydrophilic substance, and under the action of the hydrophobic sidewall, there is an air gap in the first dielectric layer. The method can reduce the dielectric coefficient of the first dielectric layer and reduce the parasitic capacitance between adjacent first gate structures.