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15194 results about "Heat conservation" patented technology

Fiber reinforced cement composite concrete precast construction member and production method thereof

InactiveCN102561584ARealize industrialized prefabrication productionImprove product qualityMouldsClimate change adaptationCement compositesArchitectural engineering
The invention relates to a fiber reinforced cement composite concrete precast construction member (PC-FRC) and a production method thereof, which are suitable for engineering of building exterior wall decoration, building structure containment, and energy conservation and heat preservation, are particularly suitable for prefabricated housing industrialization projects and are suitable for the fields of people's livelihood such as natural disaster prevention and post-disaster reconstruction. The fiber reinforced cement composite concrete precast construction member comprises a decorative finish layer, a fiber reinforced cement layer, a concrete structure layer, a heat preservation layer and a steel reinforcement framework, wherein the fiber reinforced cement layer is composited on the decorative finish layer and is connected with the concrete structure layer; the heat preservation layer is laid in the concrete structure layer and is completely coated by the concrete structure layer; the steel reinforcement framework is laid in the concrete structure layer; and the fiber reinforced cement layer, the heat preservation layer and the concrete structure layer are composited and molded in molds with models. According to the fiber reinforced cement composite concrete precast construction member, the connecting part of the surface of the precast construction member is provided with exposed steel reinforced bars, and the exposed steel reinforced bars are used for connecting precast pieces with building structures during building assembly; and suspension embedded pieces are laid in the concrete structure layer.
Owner:NANJING BEILIDA NEW MATERIAL SYST ENG

Automatic heat preservation, energy saving and air-entrapping concrete brick wall and manufacturing method thereof

InactiveCN102162282AImprove performanceMeet the requirements of the outer protective structureConstruction materialSolid waste managementInsulation layerThermal bridge
The invention relates to an automatic heat preservation, energy saving and air-entrapping concrete brick wall and a manufacturing method thereof. The invention is characterized that: a heat preservation wall plate is protruded, relative to the outer surfaces of a beam and a stand column or a concrete plate, 20 to 50 millimeters or flatly bricked; beam and column part heat preservation layers are bonded on the outer surfaces of the beam and the stand column or the concrete plate; and alkali-proof grids or steel mesh sheets are paved on the surfaces of the heat preservation layers. During bricking of the wall, the comprehensive performance of the heat preservation wall can be enhanced under the condition of no addition of the heat preservation layers on the whole wall by using energy saving and air-entrapping concrete bricks and heat preservation bricking mortar as well as heat preservation processing measures taken on hot bridge parts such as the beam, the column and the like, so the requirement of a periphery protective structure of a building wall can be met, and heat energy loss due to the hot bridges formed in mortar joints of the wall can be avoided effectively; therefore, the design standard requirement of China on heat preservation and energy saving of a building is met, and the manufacturing cost of the wall and the comprehensive cost of the building are reduced greatly.
Owner:徐振飞

Externally reinforced concrete irrigated and heat preservation wall structure embedded energy-saving system and its construction method

The invention relates to an energy-saving system for a reinforced concrete outer-casting built-in heat insulation wall body structure and a construction method thereof, which can effectively solve the problems of external wall heat insulation of a high-rise building with high heat insulation requirement and cracking and falling of a heat insulation layer. The system is produced by a wall body and reinforcing steel bars in the wall body which are cast by concrete. The method comprises the following steps that: a reinforcing steel bar frame of the wall body is produced and arranged, namely parallel vertical reinforcing steel bars and indoor floor-connecting board tie bars perpendicular to the parallel vertical reinforcing steel bars are bound together, a grid board is hoisted and externally suspended outside the vertical reinforcing steel bars of the wall body, and is bound with the vertical reinforcing steel bars of the wall body by hooked bars and binding steel bars as well as framework positioning bearing bars, then a framework is arranged on the framework positioning bearing bars and is firmly bound with reinforcing steel bars of beams and boards of a floor, lapping bars are reserved, a heat insulation grid board is firstly arranged, then reinforcing steel bars of corbel brackets of a balcony and an air conditioning board external wall are bound, finally the concrete is cast, the curing is performed, and the framework is removed to repair the structure. The system has good heat insulation effect, energy conservation, environmental protection, simple method, and huge economic benefit and social benefit.
Owner:HENAN JINYUAN CONSTR

Prefabricated sandwich heat-preservation heat insulation concrete external wall panel and fabrication method

The invention discloses a prefabricated sandwich heat-preservation heat insulation concrete external wall panel and a fabrication method. An integral composite wall panel which is structured in a way of wall body- heat insulation-architectural decoration from interior to exterior is adopted, the wall body is a load-bearing concrete structural layer, the middle of the wall panel adopts a heat insulation board, and the outermost side of the wall panel is an architectural decoration cladding panel, the three layers of the wall panel are connected into a whole by heat insulation connectors, so that the composite external wall panel is applicable to assembling an integral shear wall structure or an integral frame-shear wall structure, and also meets the requirements of buildings on energy conservation and fire protection. The prefabricated sandwich heat-preservation heat insulation concrete external wall panel is prefabricated in a factory and is mounted on site, so that the production and construction efficiencies are high, and the quality is also ensured; besides, the external wall panel realizes energy conservation, environmental protection, fire protection and heat insulation, and also has remarkable comprehensive benefits.
Owner:CHINA MCC17 GRP

Atmosphere control method for sintering process of high-frequency wide-temperature low-loss MnZn ferrite

The invention provides a sintering atmosphere control method in preparation of high-frequency wide-temperature low-loss MnZn ferrite. The method comprises the following steps: carrying out primary heating and heat preservation, carrying out secondary heating and heat preservation, cooling, carrying out heat preservation, and finally cooling. According to the method, corresponding oxygen partial pressure is adjusted at different temperatures and in different temperature changing processes, zinc loss in a sintering process can be reduced, and element valence change and impure phase precipitationat high temperature are inhibited, so that the soft magnetic property of the material is improved; and by adding reasonable heat preservation time, sintering internal stress can be effectively reduced, and the material is prevented from cracking in the sintering process. The method provided by the invention is applicable to preparation of multiple MnZn ferrites, and the wide-temperature low-lossMnZn power ferrite used at the frequency of 0.1-5MHz can be obtained; reasonable technological parameters can improve yield in preparation process, and a product with uniform and stable performance can be beneficially obtained; and the method is simple and practicable and has practical value.
Owner:ZHEJIANG UNIV +1

Upcast method for producing high-purity bright copper rod

The invention relates to an upcast method for producing a high-purity bright copper rod. The method comprises the following steps of: drying smelting copper raw materials needed by smelting, mixing, adding the mixture into a smelting furnace, and covering firing charcoal with the thickness of between 100 and 150mm on starting molten copper until red copper is entirely molten, wherein molten copper constantly flows toward a heat preservation furnace under the action of fluid force; boiling the high-temperature molten copper and degassing before ingot guiding, adding prepared high-purity graphite carbon powder onto the liquid level of the molten red copper in the heat preservation furnace, and aerating high-purity nitrogen at the position which is 50 to 100mm lower than the liquid level of the heat preservation furnace; covering the firing charcoal after boiling and degassing, covering a furnace cover, performing draw casting operation, drawing a draw casting machine for draw casting bythe upcast method, cooling in a graphite crystallizer by the upcast method to obtain a qualified high-purity oxygen-free copper rod blank, and winding on a drawn cast ingot passive winding machine; and performing multi-pass rolling and fine-drawing on the high-purity oxygen-free high-brightness copper rod blank by an eight-rack rod cold rolling mill, and drawing the blank until the copper rod is obtained by a wire drawing machine, namely obtaining a finished product after the copper rod passes the inspection.
Owner:ZHONGTIAN ALLOY TECH

Thermal treatment method for wear-resistant low alloy steel

The invention discloses a thermal treatment method for wear-resistant low alloy steel, and relates to the field of the machining of metal materials. The thermal treatment method provided by the invention comprises the following steps of: heating a low alloy steel workpiece in thermal equipment, discharging out of a furnace after heat preservation at constant temperature, immediately putting the part which needs wear resistance in the workpiece discharged out of the furnace into a quenching pond which is filled with water and quenching oil at the same time to be quenched, naturally cooling after quenching, transforming the workpiece into a tempering furnace, preserving the heat in a heating way, and carrying out furnace cooling or air cooling in a discharging way after the heat is preserved. The thermal treatment method disclosed by the invention has the characteristics that the local water quenching, the local oil quenching and the local air cooling of the workpiece can be combined with one another, the hardness, the strength and the abrasive resistance of the part which is easy to wear in the workpiece can be improved as required, the workpiece is guaranteed to be hard to wear, the impact toughness of the part which needs high tenancy can be guaranteed, the whole comprehensive mechanical property of the workpiece can be improved, and the use requirement of wear-resistant pieces such as the wear-resistant plate hammer, the lining plate, the hammer head, the impact plate, the bucket teeth and the like can be met. The thermal treatment method disclosed by the invention has the advantages of being simple and easy, and low in production cost.
Owner:JINAN UNIVERSITY

Fiber-reinforced plaster-free dismantle-free integrated heat-preservation template and exterior wall heat-preservation construction process

The invention relates to a fiber-reinforced plaster-free dismantle-free integrated heat-preservation template and an exterior wall heat-preservation construction process. The heat-preservation template is formed by compounding an expandable polystyrene (EPS) aggregate layer on the surface on one side of a fiber concrete plate. The process comprises the following steps that: a fiber concrete template and a fiber concrete composite heat-preservation template are vertically fixed on the two sides of the position of a pre-built wall body respectively, wherein the fiber concrete template and the fiber concrete composite heat-preservation template are fixed together through pull bolts; and reinforcements are arranged and concrete is poured between the fiber concrete template and the fiber concrete composite heat-preservation template, so that a reinforced concrete bearing wall body is formed. The integrated permanent dismantle-free heat-preservation template meets the requirements on heat preservation of an exterior wall and flatness of a plaster layer in place of the exterior wall template, an outer heat-preservation layer and the plaster layer. In the process, the template is not required to be removed, the heat preservation, heat insulation and water proofing performance are good, the thickness of the wall body is reduced, a great amount of materials and labor are saved, the construction period can be shortened, and the energy conservation requirement and the requirements on adhesion between the permanent template and a basic layer and flatness of a surface layer can be met. The template is suitable for high-rise and small high-rise buildings; the dwelling environment can be improved; the building function quality is improved; the building development benefit is improved; and the template has a wide application prospect.
Owner:ZHENGZHOU UNIV +2

Electric water heater and heating control method thereof

ActiveCN105698397AHeating real-time adjustmentAvoid repeated heatingFluid heatersWater useWork period
The invention discloses an electric water heater and a heating control method thereof. The heating control method comprises steps as follows: the total time for heating control is arranged and equally divided into a plurality of work period, and each day in each work period is divided into a plurality of time slots; in the first work period, the electric water heat is controlled to carry out heating or heat preservation, so that reserved hot water is kept in the electric water heater; the second work period is entered, whether the number of days, in which water is discharged at the same time slot, in a plurality of days in the first work period is larger than the predetermined number of days (N), is judged; if the number of days is larger than A, the time slot is a regular time slot; if not, the time slot is an irregular time slot; in the second work period, the electric water heat is controlled to carry out heating or heat preservation, so that reserved heat water volume is kept in the regular time slot; work periods after the second work period are entered sequentially, in each work period, whether time slots are regular or irregular time slots is judged, and the electric water heater is controlled to carry out heating or heat preservation according to the result. According to the heating control method, water use habits of users can be followed up, and heating is adjusted in real time.
Owner:WUHU MIDEA SMART KITCHEN APPLIANCE MFG CO LTD

Cooking device

The embodiment of the invention provides a cooking device comprising a shell, an upper cover hinged with the upper end part of the shell, a heat insulating inner cylinder fixedly arranged in the shell, a cooking pot arranged in the heat insulating inner cylinder and a control device used for controlling the running of the cooking device, as well as a lower heating device positioned at the lower part of the cooking pot and fixedly arranged on an inner bottom surface of the heat insulating inner cylinder; an air inlet of an exhaust device is communicated with a cavity which is formed by the shell and the upper cover, and an air outlet thereof is communicated with the atmosphere and used for discharging waste gas in the cavity; a temperature control device is arranged at the bottom surface of the heat insulating inner cylinder and used for detecting the temperature of the cooking pot and sending temperature information to the control device so as to control a switch of the lower heating device; and the lower heating device, the exhaust device and the temperature control device are respectively electrically connected with the control device. In the cooking device, the lower heating device is used for heating food in the cooking pot, and the exhaust device is used for exhausting oil fume and water stream in the cavity of the cooking device, thus improving the quality of cooking food.
Owner:钱海鹏

Baking-free and steaming-free brick and building block and preparation method thereof

InactiveCN102010175ACuring reaction at room temperatureWith sound insulationSolid waste managementBrickLand resources
The invention discloses a baking-free and steaming-free brick, a baking-free and steaming-free building block and a preparation method thereof. The brick and the building block comprise the following components in percentage by weight: 5 to 40 percent of calcined magnesia, 1 to 25 percent of industrial waste slag, 4 to 35 percent of conditioner solution, 0 to 30 percent of reinforcing and thickening agent, 5 to 85 percent of aggregate, 0.01 to 8 percent of waterproof admixture and 0 to 0.5 percent of water reducing agent. The brick and the building block have the advantages of normal-temperature curing reaction, quick condensation and hardening, high strength, heat insulation, sound insulation, flame resistance and freezing resistance; the water resistance is improved, the service life of the product is prolonged, and meanwhile, the defects of moisture absorption, halogenation and scumming of the product are overcome; recycle and comprehensive utilization of solid wastes are promoted, and environmental pollution can be reduced; and the volume weight of the product can be lightened, the transportation energy consumption can be reduced, the thermal resistance can be improved, and the heat insulation performance can be improved. The brick and the building block have no toxicity, no smell, no radioactivity, no harm to human body and no environmental pollution, and have the characteristics of cleanliness and environmental friendliness; and clay is not adopted so that the tilled land resources can be effectively protected.
Owner:QINGHAI INST OF SALT LAKES OF CHINESE ACAD OF SCI +2

A kind of preparation method of dual-phase hot forming steel

The invention provides a preparation method for double-phase forming steel, which belongs to the technical field of high-intensity steel for automobiles. The steel comprises the following ingredients by mass percent: 0.1 to 0.5 percent of C, 0.3 to 2.5 percent of Si, 1.0 to 3.0 percent of Mn, 1.0 to 3.0 percent of Al, at most 0.02 percent of P, at most 0.01 percent of S, at most 0.01 percent of Nand the balance iron and unavoidable impurities. A production process comprises the following steps of: smelting, hot rolling and hot forming process simulation after the hot rolling. The controlled process parameters are as follows: hot rolling plate blanks are heated to 1200 to 1250 DEG C, the heat insulation is carried out for 0.5 to 1 hour, the final rolling temperature is 800 to 900 DEG C, and the coiling temperature is 600 to 700 DEG C. The hot forming process comprises the following steps of: carrying out heat insulation for 5min at the heating temperature being 750 to 850 DEG C and cooling the materials to the room temperature at the speed greater than 40 DEG C/s. The preparation method adopts the Al micro alloying treatment. Compared with the traditional thermal forming manganeseboron steel, the double-phase forming steel has the advantages that: 1, the hot forming heating temperature is low, and the surface oxidation is reduced; and 2, tissues after the hot forming are ferrite and martensite double-phase tissues.
Owner:UNIV OF SCI & TECH BEIJING

Thermal control method and system based on capillary slot group and thermal power combination

The invention is a capillary microgrooves and thermoelectric combined heat control method and system, relates to a heat dissipation and heat controlling method and device used in laser, electronic and electric apparatus. Liquid are heated for evaporation and boiling in capillary microgroove evaporator by heat member, steam flows into condensator through heat preservation flexible pipe, coagulates and heat releases in coagulating microgrooves in condensator under function of thermoelectric cooler on exine of condensator, and meanwhile thermoelectric cooler transmit heat from heat surface to heat dissipation elements (heat dissipation board or water-cooling heat radiator), and finally dissipate heat by air-cooling or water-cooling; coagulated liquid flows back to capillary microgroove evaporator through liquid return flexible pipe and connector to drain microgrooves, so that a circulation of heat extracting and releasing is completed, and components are cooled and heat controlled. Device adopting the inventive method includes a vacuum capillary microgroove evaporator, heat preservation flexible pipe, condensator, thermoelectric cooler, heat dissipation element, liquid return flexible pipe, connector to drain microgrooves.
Owner:INST OF ENGINEERING THERMOPHYSICS - CHINESE ACAD OF SCI

Novel self-circulation greenhouse

The invention relates to the technical field of agricultural greenhouses, and discloses a novel self-circulation greenhouse. The novel self-circulation greenhouse mainly comprises a front roof, a rear roof, a heat preservation front wall, a heat preservation rear wall, two side walls, an underground heat preservation layer, a rainwater pond, a cold water pond, a hot water storage pond, heat circulation accessories and a power transmission and energy storage system. The front roof is composed of a photovoltaic photo-thermal assembly and glass fiber reinforced plastic plates. The rear roof comprises a slidable triangular support and a heat preservation quilt, wherein the slidable triangular support is covered with the heat preservation quilt. The cold water pond is arranged behind the rainwater pond and connected with the photovoltaic photo-thermal assembly through a water pump. Hot water which is led out through a photovoltaic photo-thermal assembly water outlet pipe is stored in the hot water storage pond. Rainwater serves as a cooling working medium of the photovoltaic photo-thermal assembly and a heat transfer working medium for greenhouse heat circulation. The hot water storage pond, the heat preservation front wall and the underground heat preservation layer form a greenhouse heat circulation system through connection pieces. The novel self-circulation greenhouse is combined with the photovoltaic photo-thermal technology, the land utilization rate can be increased effectively, heat and electricity are supplied by the novel self-circulation greenhouse, grid-connected power generation can be realized, the comprehensive utilization rate of energy resources is high, and the structure is stable.
Owner:张家港市永联菜篮农业专业合作社
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