38results about How to "Heat transfer barrier" patented technology

The invention provides a static chuck. The static chuck comprises a chuck used for carrying a processed workpiece and a pedestal. A heat insulation component is arranged between the chuck and the pedestal. The heat insulation component comprises an upper ring plate, a lower ring plate and an expansion heat insulation ring. The upper ring plate and the lower ring plate are closed annular structure components and are arranged oppositely. The expansion heat insulation ring is a closed annular thin wall structure component and is arranged between the upper ring plate and the lower ring plate. Two end portions of the expansion heat insulation ring form sealed fixing with the upper ring plate and the lower ring plate respectively. The static chuck possesses a good heat insulation effect and can heat uniformly so that heating efficiency and heating uniformity of a plasma processing equipment are increased. Besides, the static chuck is convenient to be processed and replaced so that usage cost of the static chuck is reduced.

The invention discloses a manufacturing method for a safe lithium ion power battery positive plate. The manufacturing method comprises the steps of performing ball milling and mixing on a positive electrode active substance and a conductive agent based on mass percent to obtain a positive electrode powder mixture A; adding the positive electrode powder mixture A into solvent based on a certain proportion, and stirring to obtain a solvent sizing material B; adding the positive electrode powder mixture A into the sizing material B in multiple times, controlling the mass ratio of the solid body quantity of the positive electrode powder mixture A to the solvent, stirring and preparing positive electrode slurry, adjusting and controlling the viscosity of the slurry, and stirring to obtain positive electrode slurry; taking an aluminum foil as a current collector, coating the current collector with the positive electrode slurry in a single-surface coating manner; reserving ML current collector, drying, controlling the surface density, rolling, controlling compaction density and the pole piece thickness; and performing operations of striping, slitting, tab spot welding, and T-shaped tab rubber tape gluing to obtain the safe lithium ion power battery positive plate. The lithium ion battery assembled by the manufactured safe lithium ion power battery positive plate is good in electrical performance and extremely high in safety performance.

The invention discloses a multi-layer composite thermal insulation board and a preparation method thereof. The thermal insulation board comprises a thermal insulation layer, an aluminum layer and an outer coating layer, wherein the aluminum layer is attached to the upper surface of the thermal insulation layer; the outer coating layer is coated on the upper surface of the aluminum layer and comprises a first substrate and hollow ceramic balls which are scattered in the first substrate; the thermal insulation layer comprises a second substrate and closed pore particles scattered in the second substrate; at least one of the upper surface and the lower surface of the thermal insulation layer is provided with a plurality of concave cavities. The multi-layer composite thermal insulation board has the advantages of attractive appearance, flame resistance, weather resistance, corrosion resistance, water proofing and the like while the thermal insulation effect is further improved.

The invention provides a middle frame structure with a heat insulation function and an electronic device. The middle frame, which is applied to an electronic device, comprises a body and a frame unit. The frame unit comprises an inner side, an outer side, and a heat insulation layer. The heat insulation layer is located between the inner layer and the outer layer. The inner layer is adjacent to the body. The outer layer is at the outermost side of the frame unit. Heat of the body is stopped by the heat insulation layer from being transferred to the outer layer of the frame unit.

The present invention provides a middle-frame structure with thermal insulation and an electronic device. The middle-frame structure comprises a body and a frame unit, a thermal insulation layer is formed between the body and the frame unit and is at least arranged at the opposite sides of the body, the thermal insulation layer has a first side connected with the body and a second side connected with a frame unit, and the thermal insulation layer is configured to obstruct the heat of the body to be transmitted to the frame unit.

The invention provides an inserted heat-isolating and cooling mechanism for a high-temperature draught fan. The mechanism comprises a heat dissipating mechanism, a heat isolating mechanism, a heat resisting mechanism and a driving mechanism. The heat dissipating mechanism comprises a heat-dissipating volute arranged in a pipeline, and a heat-dissipating impeller is arranged in the heat-dissipatingvolute; the back end of a main shaft is connected to the driving mechanism; the heat resisting mechanism is arranged on a part, close to a heat-isolating layer, of the main shaft; the heat resistingmechanism comprises a heat-resisting volute, a heat-resisting impeller is arranged in the heat-resisting volute, the heat-resisting impeller is mounted on the main shaft, the air inlet of the heat-resisting volute is formed in one face close to the driving mechanism, the air outlet is formed below the heat-resisting volute; the air inlet of the heat-resisting volute is connected to the air outletof a heat-dissipating coil through a pipeline; the air inlet of the heat-dissipating coil is connected to the air outlet of the heat-resisting volute; the heat-dissipating coil is arranged in a cold water tank. By designing the heat-resisting mechanism, heat transfer can be blocked effectively, and ventilation and heat dissipation are performed by means of water cooling, so that the temperature ofthe driving side is reduced effectively and the service life of the fan is prolonged.

The invention provides a composite structure for observing fire. The composite structure comprises a containing device, a burning device and a fixing device. The containing device comprises a fuel container, a top cover and a heat insulating part. A containing part is arranged in the fuel container and connected with the top cover, a filler hole and a first positioning groove penetrate through thetop cover and communicate with the containing part, the heat insulating part is connected to the end, different from the containing part, of the top cover, a second positioning groove penetrates through the top side and the bottom side of the heat insulating part and communicates with the first positioning groove, the second end of the burning device is inserted into the containing part through the second positioning groove and the first positioning groove, and a first clamping surface and a second clamping surface correspond to and clamp the two side faces of the burning device. The composite structure for observing the fire has a good heat insulating effect, liquid-state fuel is convenient to add, and the filling degree of the liquid fuel can also be safely and easily observed.

The invention discloses a method and device for indoor temperature reduction through roofing rain. The method comprises the steps that the roofing rain is collected through a rainwater collecting unit, the collected rainwater is subjected to multistage rainwater treatment through a rainwater treatment unit, the treated rainwater is pumped to roofing, and the rainwater pumped to the roofing is dispersed on the roofing for indoor temperature reduction. The rainwater collecting unit of the device communicates with the rainwater treatment unit, and the rainwater treatment unit communicates with arainwater delivery unit; the rainwater collecting comprises a rainwater collecting pipeline; the rainwater treatment unit comprises a first-stage rainwater treatment unit body and a second-stage rainwater treatment unit body; and the rainwater delivery unit comprises a rainwater delivery pipe, a water inlet of the rainwater delivery pipe communicates with a water pressing pile, and a water outletof the rainwater delivery pipe communicates with a water leaking pipe. Aiming at the purpose of indoor temperature reduction of a large-space building, roofing rain is stored and utilized after rain spell, the roofing and indoor air are subjected to temperature reduction through rain evaporation, the technology is feasible, and the method is more economical than a traditional temperature reductionmethod.

The invention relates to a thermal insulation material and particularly relates to a multi-layer composite thermal insulation board and a preparation method thereof. The multi-layer composite heat preservation and insulation plate structurally comprises a bonding mortar layer, a reinforcing layer, a heat preservation and insulation layer, a flame-retardant layer and a facing layer from inside to outside in sequence, and the bonding mortar layer, the reinforcing layer, the heat preservation and insulation layer, the flame-retardant layer and the facing layer are bonded and pressed into an integrated structure through adhesives. The heat preservation and insulation layer is prepared from, by weight, 25-40 parts of polystyrene foam particles, 5-8 parts of aluminum hydroxide, 5-8 parts of ceramic fibers, 5-8 parts of modified graphene oxide and 1-3 parts of silane coupling agent. The multi-layer composite heat preservation and insulation plate can reach the national A-level fireproof standard, the heat preservation and insulation effect of the heat preservation and insulation plate is improved by adding the modified graphene oxide, and the flame retardant function of the heat preservation and insulation plate is enhanced.

The invention discloses a single-machine multifunctional solar water heater special for plateau. The single-machine multifunctional solar water heater special for the plateau comprises a water tank, a photo-thermal plate connected with the water tank and a support, wherein the water tank and the photo-thermal plate are supported and installed on the support. The left side face of the water tank is provided with a cold water inlet and a radiant floor heating water inlet. The right side face of the water tank is provided with a hot water outlet and a radiant floor heating water outlet matched with the cold water inlet and the radiant floor heating water inlet correspondingly. The photo-thermal plate comprises the four layers including dedicated tempered glass, light-absorbing light film, phase change superconductive tubes conducting heat and a heat preservation board located on the bottom layer from top to bottom. The phase change superconductive tubes are connected with the water tank. The single-machine multifunctional solar water heater special for the plateau is reasonable in design, simple in structure, capable of rapidly and efficiently achieving heating and capable of being applied to the low-temperature environment of the plateau. When the single-machine multifunctional solar water heater special for the plateau is used in the low-temperature environment, tube explosion cannot happen.

The invention relates to a hydrogel sweating and cooling system. The device is provided with a porous wall surface, a support body, a hydrogel coolant and a water supply mechanism, the porous wall surface and the support body form an accommodating cavity mechanism for accommodating a hydrogel cooling agent; the water supply mechanism is used for providing an expansion water source for the hydrogel coolant. When the temperature rises, the hydrogel coolant is heated to lose water, and water vapor seeps out of a sweating cooling air film from holes in the porous wall surface while performing convection heat exchange in the containing cavity mechanism, so that heat transfer of high-temperature airflow to the wall surface is blocked while the temperature is reduced, and the efficient and stable cooling effect is achieved. In addition, the hydrogel coolant can absorb moisture from the water supply mechanism in real time so as to achieve the effect of continuous cooling.

The invention discloses a high-efficiency kerosene stove. The high-efficiency kerosene stove comprises a combustion chamber A, a spiral tube A, a spiral tube B, and a combustion chamber B with an opentop and a closed bottom, wherein a heat-collecting hood is arranged above the combustion chamber B; the high-efficiency kerosene stove further comprises an igniter, a fan and a power supply; the power supply supplies power to the igniting device and the fan; one end of the igniter is arranged inside the combustion chamber B and is positioned at the inner bottom of the combustion chamber B; the side wall and the bottom surface of the combustion chamber B adopt a sandwich structure; an airflow passage is formed in a cavity in the sandwich structure; the upper end of the spiral tube A is connected with a primary gasifying tube; the lower end of the spiral tube A is in contact with the inner bottom surface of the combustion chamber B; one end of the primary gasifying tube is inserted into theupper end of the spiral tube A, and a heat-insulating material is arranged between the outer wall of the primary gasifying tube and the inner wall of the spiral tube A. Due to adoption of the structure, the high-efficiency kerosene stove has the characteristics of energy conservation and environment friendliness.

The invention relates to the technical field of metal smelting, in particular to an immersion type furnace heating system. According to the system, a heating unit is immersed to a heating object to heat directly so as to prevent oxidation, efficient heating can be achieved, a whole heating module is in a floating state and not prone to being damaged in an expansion and contraction process, and themaintenance is simple and convenient. A floating island is floated on metal liquid by utilizing the buoyancy of the metal liquid, the floating island is in a floating state and not prone to being damaged in the expansion and contraction process, and the maintenance is simple and convenient. Isolation walls are arranged on two sides of the floating island, the floating island can be effectively prevented from incline or turnover, high temperature resistance soft layers are arranged between the floating island and the isolation walls, an air heat insulation layer is arranged on the upper part of the floating island, so that the floating island and the metal liquid and high temperature located at the lower end can be blocked to transfer a great deal of heat to the upper part of the floatingisland, the atmosphere between the floating island and the metal liquid belongs to an anaerobic atmosphere, meanwhile protective air can be fed, a protective air layer is formed above the metal liquid, and the metal liquid is effectively prevented from oxidation.