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1915 results about "Drying Agents" patented technology

The term drying agent has different meanings: Drying agent may refer to: Desiccant absorbs water or moisture from solids. Oil drying agents for compounds that speed up the hardening of oils, often used in painting.

Protective coating for aerogenerator vanes and preparation method thereof

The invention relates to a protective coating for aerogenerator vanes and a preparation method thereof, wherein the protective coating has the advantages of excellent ultraviolet radiation resistance, abrasion resistance, stain resistance, corrosion resistance, adhesive force and flexibility. The preparation method uses hydroxyl acrylate resin as a base material of the surface protective coating for the aerogenerator vanes and uses the mixture of HDI biuret and HDI tripolymer as a curing agent. The coating consists of a component A and a component B, wherein the component A comprises the following materials in portion by weight: 10 to 55 portions of the hydroxyl acrylate resin, 1 to 5 portions of abrasion resistant and stain resistant auxiliary agent, 0.2 to 0.4 portion of ultraviolet stabilizer, 10 to 15 portions of environment-friendly organic solvent, 15 to 20 portions of pigments and fillers, 2 to 5 portions of delustering agent, 0.15 to 0.55 portion of dispersing agent, 0.01 to 0.3 portion of drying agent, and 0.25 to 0.55 portion of levelling agent; the component B comprises 1 to 15 portions of the HDI biuret and 1 to 15 portions of the HDI tripolymer; and the mass ratio of the component A to the component B is 2-6:1. When in use, the components A and B are mixed and stirred evenly in proportion, and then the mixture is adjusted to proper viscosity for construction by using a spraying method.
Owner:SOUTHEAST UNIV

Fume dried lignite medium speed mill powder-making system

The invention discloses a fume dried lignite medium speed mill powder-making system. According to the system, a drying device is connected with a coal inlet at the top part of a medium speed mill; a coal inlet and a high temperature fume drying agent inlet are arranged at the top part of the drying device; a coal outlet is arranged at the bottom of the drying device; an exhaust port is arranged at a side plane of the bottom of the drying device; the exhaust port is connected with an air inlet of the medium speed mill through a powder exhauster; a rough powder separator is connected with a fine powder separator; a coal outlet of the fine powder separator is connected with a powder feeder; the powder feeder is connected with an air-powder mixer; one way of hot air of an air pre-heater is connected with the air-powder mixer through a primary air box; an exhaust exit of the fine powder separator is connected with a dust collector; a powder outlet of the dust collector is further connected with the powder feeder; and an air outlet of the dust collector is connected with the exhaust exit. With the adoption of the system, the use of a medium speed mill powder-making system in a combustion high moisture lignite unit becomes possible; the blending combustion of lignite of a large ratio or complete lignite combustion in a fuel coal unit which adopts a straight-blowing medium speed mill powder-making system can be realized; the efficiency of the unit is further increased and the coal consumption in power generation is reduced; and meanwhile the system has the advantages that the detonation is not caused, the operation is safe and the moisture in the lignite can be recycled.
Owner:SHANGHAI YUANMENG ELECTRIC POWER ENERGY TECH CONSULTING CENT

Drying device

A drying device comprises a shell and a sliding plate frame. An opening is formed in one face of the shell, the sliding plate frame comprises a movable plate which can seal the opening in a matched mode, the side, facing the opening, of the movable plate is provided with clothes hanging rods and supporting rods, the clothes hanging rods comprise the first clothes hanging rod and the second clothes hanging rod, one end of the first clothes hanging rod and one end of the second clothes hanging rod are connected to the movable plate, the other end of the first clothes hanging rod and the other end of the second clothes hanging rod are connected to a fixing piece, and the fixing piece is connected with the second supporting rod in a rotating mode. A motor is arranged inside the movable plate, a first eccentric rotating block and a second eccentric rotating block are connected to an output shaft of the motor, and the eccentric positions of the first eccentric rotating block and the second eccentric rotating block are arranged reversely. A hollow layer is arranged inside the shell, fans, a drying agent box, an adsorbing agent box, an electric heating device and a closing mechanism are arranged inside the hollow layer, and the drying agent box and the adsorbing agent box are sealed after the closing mechanism is closed. In the drying process, clothes will not wrinkle, peculiar smell on the clothes will not disperse, drying efficiency is high, the utilization rate of hot air is high, and energy is saved.
Owner:ZHEJIANG BUSINESS TECH INST

Glass cleaning anti-fogging agent and preparation method thereof

The invention discloses a glass cleaning anti-fogging agent and a preparation method thereof, and belongs to the technical field of fine chemical engineering. The cleaning anti-fogging agent is prepared from, by mass, 8-15 parts of peels of Chinese soapberry fruit, 5-12 parts of Chinese honeylocust fruit, 0.5-1 part of anionic surfactant, 0.5-2 parts of non-ionic surfactant, 0.1-0.4 part of zwitterionic surfactant, 0-0.8 part of thickening agent, 0-5 parts of quick-drying agent and 65-85 parts of water. According to the glass cleaning anti-fogging agent and the preparation method thereof, peels of Chinese soapberry fruit and an extraction solution of Chinese honeylocust fruit are compounded with the anionic surfactant, the non-ionic surfactant and the zwitterionic surfactant, all the materials can synergistically exert the anti-fogging and cleaning and decontamination functions, and the glass cleaning anti-fogging agent has a significant anti-fogging effect on the glass surface, can effectively remove dirt attached to the surface and is safe, environmentally friendly and harmless to human bodies; meanwhile, the raw materials are low in price, the production cost is low, and the glass cleaning anti-fogging agent is suitable for large-scale industrial production and application.
Owner:HENAN UNIV OF URBAN CONSTR
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