374results about How to "Increase heat storage" patented technology

The invention provides a solar phase change heat storage wall and a ventilation system provided with the same. The solar phase change heat storage wall is formed by connecting a high-temperature phase change layer, a medium-temperature phase change layer and a low-temperature phase change layer sequentially, wherein the phase change temperatures of the high-temperature phase change layer, the medium-temperature phase change layer and the low-temperature phase change layer are set from high to low. A glass cover plate is arranged on the south side of the outer wall of the ventilation system; the rest part of the ventilation system is composed of an enclosure structure; an outdoor air inlet is formed in the upper part of the north side of the outer wall; and an outdoor air outlet is formed in the upper part of the south side. The solar phase change heat storage wall is positioned in the outer wall and close to the glass cover plate; the high-temperature phase change layer faces south; and an upper vent hole and a lower vent hole are formed in the upper part and lower part of the solar phase change heat storage wall respectively. A hot water system penetrates through the solar phase change heat storage wall to perform heat exchange. The solar phase change heat storage wall can overcome shortcomings of a conventional heat collection wall, has the advantages of good heat storage capability, diversified functions, simplicity for operation and no energy consumption, can achieve the effects of cooling by ventilation and domestic water heating in summer, and can be used for providing heat in winter, thereby having good application prospects.

The invention discloses a water cooling and composite phase change material combined power battery heat dissipating device which comprises a box body and a base plate arranged at the bottom of the box body, wherein a water inflow channel and a water outflow channel which are used for accommodating cooling water are respectively arranged inside the base plate and along two long edges, aperture passages communicated with the water inflow channel and the water outflow channel respectively are arranged on the upper surface of the base plate and along the two long edges, tabular micro-channel heat exchangers are arranged on the base plate at certain intervals in the length direction, micropore flow passages are arranged inside the tabular micro-channel heat exchangers, the two end ports of each micropore flow passage are respectively connected with an aperture passage I communicated with the water inflow channel and an aperture passage II communicated with the water outflow channel, and spaces formed by the tabular micro-channel heat exchangers, the base plate and the box body are filled with a composite phase change material. The water cooling and composite phase change material combined power battery heat dissipating device provided by the invention has the advantages of high heat accumulation and heat dissipation rates, convenience in operation and maintenance, low cost and the like, can be used for heat dissipation of high-power and quick charge-discharge power batteries, and can improve the working performance and the reliability of batteries.

The invention belongs to the technical field of solid waste treatment and resource recovery, and relates to an apparatus for pyrolyzing solid wastes through molten salt, and a method thereof. The method uses the molten salt as a pyrolysis medium, the solid wastes are immersed in the molten salt and are effectively dissociated and decomposed under preset pyrolysis conditions, and various resource substances can be recovered. Pyrolysis products of organic components in the solid wastes are recycled as energy and resource substances. The method has the advantages of short process flow and simple operation. The apparatus allows the above raw material to be sent into or moved out of a molten salt reactor through a pyrolysis basket, and comprises a gas inlet, a gas outlet, and a feeding and discharging gate. The method uses the high heat accumulation capability and high heat conduction rate of the molten salt, effectively improves the decomposition rate of organic matters and the energy utilization rate, traps or converts acidic gases and harmful substances by using the characteristic of reaction of the molten salt with the acidic gases and the harmful substances, reduces secondary pollution to environment, and improves the cleanliness and resource of products.

The invention provides a graphene electrothermal material and application thereof. The graphene electrothermal material is mainly composed of graphene, other carbon-based materials and a solvent, the weight ratio of graphene to the other carbon-based materials is 0.5-10:1, preferably 2-10: 1 and 5-10:1, and the other carbon-based materials include one or multiple selected from carbon fiber, graphite and carbon nanotubes, preferably carbon fibers. The graphene electrothermal material has the advantages of being energy-saving, light, high in flexibility, uneasy to oxidation, high in electric and thermal conductivity, wide in application range and capable of being used in large area, and can be used in the fields including clothes manufacture, nursing, aviation equipment, medical equipment, household heating equipment and automobile.

The invention relates to a phase-change heat storage water tank used for a solar water heater, which is characterized that the phase-change heat storage water tank has excellent low-temperature section heat storage capacity and can effectively improve the working efficiency of the solar water heater on cloudy days and in winter.

The invention relates to a solid sphere flux heat absorber for solar thermal power generation, comprising a solid sphere heating absorbing device (1), a heat absorbing solid sphere (2) arranged in the solid sphere heating absorbing device (1), a lower-temperature sphere storage tank (5) arranged on the upper part of the solid sphere heating absorbing device (1), a high-temperature sphere storage tank (9) arranged on the lower part of the solid sphere heating absorbing device (1), lower-temperature sphere storage tank inlet valves (7) and (8) respectively arranged on the upper part and the lower part of the lower-temperature sphere storage tank (5), and high-temperature sphere storage tank inlet valves (11) and (12) respectively arranged on the upper part and the lower part of the high-temperature sphere storage tank (9). The solid sphere heating absorbing device (1) faces an energy flux of a radiation receiving window (4) at the throwing side of radiation energy flux (3). The lower-temperature sphere storage tank (5) is used for storing a lower-temperature solid sphere (6), and the high-temperature sphere storage tank (9) is used for storing a high-temperature solid sphere (10). The surface of the heat absorbing solid sphere (2) is black or is coated with solar selective absorption coatings.

The invention belongs to the inorganic nonmetal field, and relates to a corundum-mullite honeycomb ceramic heat accumulator for waste heat recovery of high-temperature kiln tail gas. The honeycomb ceramic heat accumulator is prepared by the following steps of: forming ceramic powder from corundum, mullite, alumina, clay and the like; adding cellulose, glycerol, glue and water to prepare plastic mud; and mixing, mixing mud, performing vacuum pug, forming, drying and performing high-temperature sintering. The honeycomb ceramic heat accumulator prepared by the method has the characteristics of superior high temperature strength, high heat accumulation capacity, high heat exchange speed, high thermal shock stability, low cost, easiness in operation and adaptation to industrial production.

The invention provides an active and passive combined annual phase-change energy storage room capable of being used all year around, wherein the energy storage room aims to enable a building applying phase-change materials to operate in an energy-saving mode, enable the wall body of the building to adjust the air in a room all year around and extract natural cooling capacity actively, improve the storage and efficiency, heat storage and discharge and heat storage efficiency and cooling efficiency of a phase-change wall board and improve the air quality in the room and the indoor comfort. The active and passive combined annual phase-change energy storage room capable of being used all year around comprises a roof lighting room body, a phase-change combined wall body, a water system and a ventilation system. The roof lighting room body comprises a wall body with the four light-proof faces and a light-transmitting roof for collecting light. The phase-change combined wall body comprises the phase-change wall board, mortar made of phase-change materials, a capillary network, a glass cover plate, an air flue and air inlet. The water system comprises a water cooling and heating device, a water storage device and a tail end device. The ventilation system comprises an air supply device, the air flue, the air opening and a corresponding sealing device. By means of the scheme, great significance is provided for increase of the utilization rate of new resources and the phase-change materials in the building.

An ultrasonic probe suitable for reducing reflected waves returning from a rear surface part to a transducer side, and an ultrasonic diagnostic apparatus. Ultrasonic probe 1 comprises transducer 10 transmitting and receiving ultrasonic waves to and from a subject, a backing material 12 disposed on the rear side of the transducer 10, and heat dissipating block 14 stacked on the backside of the backing material 12.

At least one of the backing material 12 and heat-dissipating block 14 comprises void 16 therein. A sound absorbing material 18 is desirably filled in void 16.

Two sensible thermal energy storage (STES) systems in multiple chambers containing molten eutectic salts have been devised for use at temperatures above 565° C. For the first type, the thermal energy of low specific heat of an immiscible gaseous heat transfer fluid (HTF) at temperatures above 900° C. is readily converted to dispatchable heat of high specific heat in the molten eutectic salt liquid layers operating at high temperatures, which can again produce a gaseous HTF at a constant temperature of 700° C. or higher for the lower electricity generation capacities. For the second type, the molten eutectic salt liquids are used as a thermal energy storage (TES) medium and also a HTF at temperatures above 700° C. for the higher electricity generation capacities. These STES systems provide an effective cushion against the disturbances of heat supply from the sun.

The invention provides a method for producing composite cooking tool, and relative method, for resolving the problems as low thermal efficiency, long cooking time and short service life. The inventive method comprises that A, producing body of cooling tool as a, material selection, cold rolling, b, washing, drying, c, roller pressing, d, drawing, B, returning bottom as a, washing, drying, b, thermally forging or solder welding, c, surface treatment. The inventive composite cooking tool comprises a body and a bottom plate, wherein the bottom plate has welded metal plate and metal sheets from inner to outer via thermal forging or solder welding, the body has two or three metal layers welded via thermal forging or solder welding, and the body and the bottom plate are welded together via thermal forging or solder welding. The invention has simple process, low cost, uniform heated and long service life.

The invention relates to a method for removing tar and coke during gasification and a method and a device for reforming combustible gas. The method is characterized in that: pyrolytic gasified gas is fed into a porous ceramic superadiabatic partial tar and coke oxidizing and removing device, and undergoes partial combustion at the front end of porous ceramics or inside a ceramic body; high temperature generated by the combustion carries out heat storage of a porous ceramic body; during the process, the tar inside a combustible gas undergoes pyrolysis in the superadiabatic environment of the porous ceramics so as to form small molecular gas, while alkane gas components inside the combustible gas undergo reforming reaction inside the porous ceramics; and the coke is completely oxidized inside the porous ceramics, thereby reaching the goal of removing the coke. The methods and the device have the advantages that: the tar and the coke are not attached to the porous ceramics or the surface of porous ceramic catalyst, and inactivation phenomenon caused by tar and coke attachment does not occur; moreover, the content of the tar and the coke in gas is almost equal to zero after the reforming, and the heat value of fuel gas is increased.

The invention relates to a metal net base corrugate pipe type phase change heat storage device, which comprises an outer housing and a heat storage box body, wherein the heat storage box body is divided into multiple layers and consists of a housing, corrugate pipes, fluid distributing pipes and fluid collecting pipes; the corrugate pipes on each layer are communicated with the fluid collecting pipes through the fluid distributing pipes; the corrugate pipes between layers are placed inside the heat storage box body in a tight and staggered manner; in the same layer, wave nodes and wave troughs in two adjacent rows of the corrugate pipes correspondingly form tight and staggered arrangement; meanwhile, metal wires are twisted in the two adjacent rows of the corrugate pipes to form a net structure so as to strengthen heat transfer, and other spare parts of the heat storage box body are filled with heat storage phase change material. The device is simple in structure and large in heat exchange area, a turbulent flow can be formed when a fluid flows in the corrugate pipes, the heat transfer efficiency is improved, the heat absorption and heat discharge speed is quick, the heat storage material capacity is large, and the heat storage capacity is improved; and the phase change heat storage device can fully utilize solar energy and industrial exhaust heat to carry out high efficiency waste heat recovery utilization.

A heat storage device that includes a first heat storage material and a second heat storage material, both of which accumulate heat by heat exchange with a heat afferent medium, and a changeover device that selectively either performs or intercepts heat storage by the second heat storage material. Accordingly, if the absorption of heat by the first heat storage material has decreased, the changeover device changes flow of the second heat storage material so that heat may be extracted from the heat afferent medium by the second heat storage medium. Thus, when the heat afferent medium is a refrigerant, it is possible to supercool the refrigerant thereof. Furthermore, since heat is extracted from the heat afferent medium and is accumulated, accordingly it is possible to anticipate effective utilization thereof.

The invention aims to overcome the defects of the existing heating equipment such as boilers and the like, and provides a heat-accumulating heat supply unit, which uses heat-accumulating bricks as a heat-accumulating medium, has a heat-release-process-controllable large-capacity heat-accumulating structure, and is a heat-release-process-controllable large-capacity heat-accumulating heat supply unit. In particular, the invention provides a heat accumulator for storing heat for the heat-accumulating heat supply unit, and a shell of the heat accumulator is made of high-temperature insulating material; and heat-accumulating bricks, a heat exchange water pipe, a fan and an electric heater are arranged in the shell. The heat-accumulating heat supply unit comprises a thermal insulation system, a conduction system, a control system and a safety system except the heat accumulator.

The invention discloses a heat-storing waterproof moisture-permeable outdoor down cotton-wadded garment fabric and a preparation method thereof and belongs to the field of textile garments. The fabric comprises a waterproof layer, a waterproof moisture-permeable heat-storing PU (polyurethane) film and a nylon fabric layer sequentially from outside to inside, and both the side of the waterproof layer contacted with the waterproof moisture-permeable heat-storing PU film and the side of the waterproof moisture-permeable heat-storing PU film contacted with the nylon fabric layer are laminated by using spot hot-melt PU adhesive. The invention has the advantages that the hot-melt adhesive is used to laminate the waterproof fabric, the waterproof moisture-permeable heat-storing PU film and bilayer quilting-free 20D nylon fabric to form the multilayer composite fabric so that a down garment fabric obtained has good puffy effect and reasonable three-dimensional space structure and comfort of a down garment to wear is improved.

The invention discloses a low super-cooling degree phase-change material microcapsule and a preparation method thereof. The microcapsule is composed of, by weight, 35-70% of a capsule core and 30-65% of a capsule wall, the capsule core is composed of, by weight, 81.1%-97.6% of an organic phase-change material, 0.1-16.9% of a super-cooling inhibitor and 1.2-2.7% of initiator, and the super-cooling inhibitor is at least one of N,N-diethyl acrylamide and N-isopropyl acrylamide; the capsule wall comprises, by weight, copolymer of 80-95% of methacrylic acid alkyl ester/aryl ester and 5-20% of an alkene propyl ester cross-linking agent; the low super-cooling degree phase-change material microcapsule is prepared by preparing, mixing and reacting of a water-phase mixture and an oil-phase mixture. The phase-change material microcapsule has the advantages that the coating rate is high, the heat storage quantity is high, the thermal performance is excellent, and the super-cooling crystallization phenomenon is particularly improved significantly; the technology is simple, the operation is convenient, the application range is wide, and the industrial implementation is facilitated.

A full liquid type medium and high temperature heat accumulator comprises a box body, a plurality of trays, a plurality of screens, multi-hole quality composite phase change heat storage layers and a heat exchanging pipe, wherein the inner portion of the box body is filled with saturation liquid of working medium, the plurality of trays are respectively and horizontally fixed on the inner wall of the lower portion of the box body, the plurality of screens are respectively arranged at the bottom of each tray, the multi-hole quality composite phase change heat storage layers are respectively paved on the screens, the multi-hole quality composite phase change heat storage layers are formed by composite phase change heat storage materials in an accumulating mode and completely immersed in the saturation liquid of the working medium, the heat exchanging pipe is arranged in an inner cavity of the upper portion of the box body, a pipe cavity of the heat exchanging pipe is isolated from the inner portion of the box body and communicated with the outer portion of the box body, and the heat conducting working medium is in the box body in a flowing mode. The invention further discloses a medium and high temperature flue gas waste heat utilization heat collecting or heat storage system composed of the full liquid type medium and high temperature heat accumulator, and a lower level heat exchanger is used for continuously supplying heat in the range of 200 DEG C to 400 DEG C. The full liquid type medium and high temperature heat accumulator and application of the full liquid type medium and high temperature heat accumulator in flue gas waste heat recovery has the advantages of being excellent in heat exchanging ability, simple in structure and long in service life.

The process of producing honeycomb ceramic with no tung oil and less cellulose includes the following steps: 1. milling glutinous rice into powder, adding water and steaming; 2. adding wheat flour in 3-5 wt% and cooking into panada; 3. adding alumina sol or silicon sol in 20-30 wt% and milling slurry in a ball mill; 4. 80 mesh sieving the slurry serving as the temporary adhesive for honeycomb ceramic; and 5. adding the temporary adhesive in 18-23 wt% and carboxymethylcellulose in 0.5-0.8 wt% into compounded honeycomb ceramic material, kneading, vacuum mixing, extruding to form, drying and sintering to obtain honeycomb ceramic. The present invention has the advantages of environment friendship, low production cost, high heat shock resistance, high heat conductivity, etc.