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6029results about How to "Shorten drying time" patented technology

Intelligent hot-air drying control device

InactiveCN103123215AReduce energy consumptionReduced dehumidification loadDrying gas arrangementsEngineeringAir blower
The invention discloses an intelligent hot-air drying control device which comprises a heat exchange box and a drying chamber, wherein he heat exchange box is separated into multiple spaces, and the drying chamber is connected with the heat exchange box through an air supplying main pipe and a general air return pipe. A heat pump dehumidifying and heating system, a heat pipe return heat exchange system, a hot air circulating system and an intelligent control system are arranged in the heat exchange box. The heat pump dehumidifying and heating system which is composed of a compressor, a drying filter, a dehumidifying evaporator, a throttle valve and a heating condenser. The heat pipe return heat exchange system is composed of a heat pipe evaporator and a heat pipe condenser. The hot air circulating system is composed of a high-pressure refrigerant liquid connecting pipe, a low-pressure refrigerant return gas connecting pipe, a high-pressure refrigerant gas connecting pipe, a liquid refrigerant connecting pipe, a gas refrigerant connecting pipe, an air exhaust regulating valve, a mixed air box, a fresh air regulating valve, a secondary air flow regulating valve and an air blower assembly. The intelligent control system is composed of the a temperature sensor, a humidity sensor, a hot air temperature sensor and a hot air humidity sensor, wherein the temperature sensor, the humidity sensor, the hot air temperature sensor and the hot air humidity sensor are connected in the various systems. The intelligent hot-air drying control device can regulate the temperature and the humidity of drying air automatically and improve the material drying efficiency.
Owner:孙应真

Heat pump drying system for drying clothes by using roller and control method of heat pump drying system

The invention discloses a heat pump drying system for drying clothes by using a roller and a control method of the heat pump drying system. The system comprises a heat pump system for drying the clothes, and an air inlet and an air outlet which are communicated with the roller for accommodating the clothes respectively, wherein the heat pump system comprises a compressor, a condenser, a throttling device and an evaporator which are connected with one another in turn through a refrigerant circulating pipeline to form a circulating system; the heat pump system, the air inlet and the air outlet are integrated through an upper cover plate and a lower cover plate; an air deflector, the evaporator, the condenser and an air supply fan are arranged between the air inlet and the air outlet in turn to form an air circuit; the compressor is sealed in closed space by the upper cover plate and the lower cover plate; and the air supply fan is a direct-current fan with a controllable rotating speed, and the rotating speeds at different drying stages are correspondingly controlled to reduce the load of the compressor. The heat pump drying system has the characteristics of saving energy and shortening drying time.
Owner:QINGDAO HAIER WASHING MASCH CO LTD

Single-component catalytic dealcoholized room temperature vulcanized (RTV) silicone rubber and preparation method thereof

The invention relates to a single-component catalytic dealcoholized room temperature vulcanized (RTV) silicone rubber which comprises the following components in parts by weight: 100 parts of alpha, omega-dihydroxyl polydimethylsiloxane, 10-450 parts of function filler, 0.4-20 parts of crosslinking agent, 0.1-8 parts of coupling agent and 0.1-12 parts of catalyst. The invention also relates to a preparation method of the single-component catalytic dealcoholized RTV silicone rubber, and the method comprises the following steps of: preparing a ground mass, namely dewatering and blending the alpha, omega-dihydroxyl polydimethylsiloxane and the function filler to obtain the ground mass; stirring the taken ground mass in a vacuum state, adding the crosslinking agent, and stirring the materials in a vacuum state; adding the coupling agent, and stirring the materials; and adding the catalyst, vacuumizing, introducing inert gas, stirring, vacuumizing, and stirring to obtain the single-component catalytic dealcoholized RTV silicone rubber. The method provided by the invention has the advantages of no generation of viscosity peak, simple process and cost saving; and the single-component catalytic dealcoholized RTV silicone rubber has excellent comprehensive properties.
Owner:兆舜科技(广东)有限公司

Water-based ultra-thin fire-retardant coating for steel structures and preparation method of fire-retardant coating

The invention discloses a water-based ultra-thin fire-retardant coating for steel structures. The fire-retardant coating comprises components as follows: a binder emulsion, an intumescent flame retardant system, filler, deionized water and additives, wherein the additives comprise a dispersing agent, an antifoaming agent, a mold inhibitor, an anti-flash-rust agent, a coalescing agent, a leveling agent and a thickener; the intumescent flame retardant system comprises a dehydration catalyst, a carbonizing agent and a foaming agent. The invention further designs a preparation method of the water-based ultra-thin fire-retardant coating for the steel structures. The components are mixed sequentially to be prepared into the water-based ultra-thin fire-retardant coating for the steel structures in a vertical sand mill and a dispersing tank. The prepared coating is large in adhesive force, high in hardness, good in fireproof property, good in anti-scratch performance and excellent in weather resistance and water resistance, the surface layer of the coating is fine and smooth, the decoration performance is improved significantly, and the preparation method is low in energy consumption and has the advantages that the harm to human bodies and the pollution to the environment during preparation are small and the like.
Owner:JIANGSU MARINE VICTORY COATING

Assisted rinsing in a single wafer cleaning process

The present invention is a method of assisting the rinsing of a wafer in a single wafer cleaning apparatus. According to the present invention, after exposing a wafer to a cleaning and/or etching solution, the cleaning or etching solution is removed from the wafer by spinning the wafer and dispensing or spraying DI water onto the wafer as it is spun. The centrifugal force of the spinning wafer enhances the rinsing of the wafer. In order to enhance the rinsing of the wafer, in an embodiment of the present invention a solution having a lower surface tension than water, such as but not limited to isopropyl alcohol (IPA) is dispensed in liquid or vapor form onto the wafer after the DI water. In a specific embodiment of the present invention, the vapor of a solution with a lower surface tension than DI water, such as IPA vapor, is blown on the wafer in order to break up the DI water bulging up at the center of the spinning wafer. In another embodiment of the present invention, a gas such N2, is blown for a short period of time onto the center of the wafer to break up the DI water bulging up at the center of the spinning wafer. In yet another embodiment of the present invention, acoustic or sonic waves are applied to the wafer as it spins in order to help diffuse the DI water from the wafer. And in still yet another embodiment of the present invention, the DI water which is dispensed onto the spinning wafer is heated to a temperature above room temperature and preferably between 60-70° C. to enhance the diffusion of water from the wafer. The low surface tension liquid, acoustic application, gas blowing, and heated DI water can be used alone or in combination with one another into enhance the rinsing of a wafer and thereby decrease the rinsing time of a single wafer process to less than 20 seconds.
Owner:APPLIED MATERIALS INC
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