188results about How to "Large heat storage" patented technology

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 relates to a garbage incinerator, in particular to a rotating dual-roller incinerator. The flue gas residual heat is used as a heating source of garbage drying. The natural air is used as the combustion improver for garbage burning. The consumption plan that the flying ash is used for absorbing dioxin and heavy metal and substituting the auxiliary fuel for combustion supporting and the absorbent is input to purify the glue gas is adopted. The methods of active prevention and the decomposition and elimination of the organic pollutant substitute the passive preventive measures after the generation of the pollutants. The rotating dual-roller incinerator enables the garbage burning and treatment to save resources and overcome the secondary pollution, realizes the coexistence of environment protection and economy, and achieves the dual purposes of energy saving and environment protection.

The invention discloses a single-tank heat storage device with a phase change heat storage function. The single-tank heat storage device with the phase change heat storage function comprises a single-tank heat reservoir, heat insulation boards, a phase change heat storage device, a heat release coil heat exchanger, a heat supply device and a heat transferring device, wherein the outer top of the single-tank heat reservoir is provided with a heat storage medium inlet; the outer bottom of the single-tank heat reservoir is provided with a heat storage medium outlet; the heat insulation boards are arranged inside the single-tank heat reservoir and are coaxial with the single-tank heat reservoir; the phase change heat storage device is arranged in the heat insulation boards, fixed inside the single-tank heat reservoir through a tube plate and filled with phase change heat storage media; the heat release coil heat exchanger is arranged on the upper portion of an annular channel formed by the heat insulation boards and the single-tank heat reservoir; an outlet and an inlet of the heat release coil heat exchanger are connected with a heating medium inlet and a heating medium outlet of an energy utilization device respectively; the heat supply device is arranged outside the single-tank heat reservoir; the heat transferring device is arranged at the bottom in the single-tank heat reservoir and connected with the heat supply device. The single-tank heat storage device with the additional phase change heat storage function has the advantages that the structure is simple, the heat storage capacity is increased, the heat release process is stable, and the working temperature range is wide.

The invention relates to a fused salt phase change heat storage device applied to a solar air conditioner. The fused salt phase change heat storage device applied to the solar air conditioner is characterized by comprising a heat storage chamber box, heat storage material accommodating pipelines, a heat storage material and heat conducting oil; a heat storage space is formed in the heat storage chamber box, the heat storage chamber box is provided with an oil inlet and an oil outlet, the oil inlet and the oil outlet are communicated with the heat storage space respectively, 2 to 200 heat storage material accommodating pipelines are arranged in the heat storage space of the heat storage chamber box, the heat storage material accommodating pipelines are fixed with the heat storage chamber box, and the heat storage material is filled in the heat storage material accommodating pipelines; and a heat transfer medium between the outer walls of the heat storage material accommodating pipelines and the inner wall of the heat storage chamber box is the heat conducting oil. The fused salt phase change heat storage device has the characteristics of simple structure, safety, reliability and high heat exchange efficiency.

The invention discloses an active-passive cooperative heat storage wall heating system of a solar greenhouse, and belongs to the technical field of agricultural facilities. The active-passive cooperative heat storage wall heating system mainly comprises a phase-change heat storage wall, a concentration-type solar air heat collector system, an active heat storage heating system body and an equipment control unit. The phase-change heat storage wall is composed of a cement mortar layer, a phase-change heat storage layer, a bearing building block layer and a thermal insulation layer from the indoor side to the outdoor side, wherein the phase-change heat storage layer is formed by pouring phase-change materials packaged through steel drums, heat storage coil pipes, gravel and cement. The solar air heat collector system is formed by connecting multiple groups of condensation-type solar air heat collectors in series, and a sunshade device used in summer is arranged above the heat collectors. The active heat storage heating system body is composed of a heat collector, thermal insulation pipes, a heat storage coil pipe, a frequency conversion fan, air openings and air valves. The equipment control unit is composed of a controller, a temperature sensor and electric adjusting air valves. According to the active-passive cooperative heat storage wall heating system, active and passive heat collection, heat storage and heat supply of the wall of the solar greenhouse are combined, therefore, the heat storage and thermal insulation performance of the wall of the solar greenhouse can be obviously enhanced, the solar energy utilization rate of the greenhouse can be obviously increased, and the adjusting capacity of the heat storage wall of the solar greenhouse to the heat environment in the greenhouse is improved.

The invention discloses a plate type phase-change thermal storage heat exchanger capable of supplying heat stably. The plate type phase-change thermal storage heat exchanger comprises a plurality of seal boxes arranged in parallel. A phase-change thermal storage body is arranged in each seal box. Corner holes are formed in the four corners of each seal box respectively. A sealing part is arranged between any two adjacent seal boxes, and the two corner holes in the same side end of each seal box are separated through the sealing part. Any two adjacent sealing parts are arranged in parallel at the 180-degree included angle. Hot working medium flowing cavities and cold working medium flowing cavities are defined by the seal boxes through the sealing parts, wherein the hot working medium flowing cavities and the cold working medium flowing cavities are distributed alternately. The plate type phase-change thermal storage heat exchanger further comprises an outer frame. The seal boxes are pressed tightly and sealed by the outer frame. A cold working medium inlet and outlet and a hot working medium inlet and outlet are further formed in the outer frame and are communicated with the corner holes. The plate type phase-change thermal storage heat exchanger is small in size and convenient to assemble, disassemble and maintain; phase-change thermal storage materials are adopted for thermal storage, so the defect that heat supply is not stable is effectively overcome, the heat supply time is prolonged, the stable heat supply temperature can be maintained, the stability is good, and the working media do not influence each other.

The invention belongs to the technical field of inorganic material, and particularly discloses a pulverized fuel ash-based heat storage honeycomb ceramic and a preparation method of the heat storage honeycomb ceramic. The pulverized fuel ash-based heat storage honeycomb ceramic is prepared by pulverized fuel ash, sintering aids, bonding agent, plasticizer, surface active agent and water, wherein the sum of the mass percent of the pulverized fuel ash and the sintering aids is 100%, the pulverized fuel ash accounts for 45-82%, and the sintering aids accounts for 18-55%; and the adding quantity of the bonding agent, the plasticizer, the surface active agent and the water is respectively 3-9%, 3-8%, 0.5-3% and 13-25% of the total quantity of the pulverized fuel ash and the sintering aids by mass percent. The pulverized fuel ash-based heat storage honeycomb ceramic takes the pulverized fuel ash as a base material, and the preparation method of the pulverized fuel ash-based heat storage honeycomb ceramic which is low in raw material cost, high in heat storage capacity, high in strength and good in thermal shock resistance is also disclosed.

The invention relates to a low melting point alloy phase change heat storage device applied to a solar dryer, which is characterized by comprising a drying chamber box body, a drawing type material containing box, heat storage blocks and an upper and lower sliding type heat insulation door. Two to one hundred heat storage blocks are arranged in a drying space of the drying chamber box body, and the edge parts of the heat storage blocks are supported by the heat insulation blocks to be fixed with the drying chamber box body. The drawing type material containing box is located between an upper heat storage block and a lower heat storage block and is contacted with the lower heat storage bock, and drying samples are contained in the drawing type material containing box. Each heat storage block is composed of a heat storage material container, a heat storage material, a heat conducting pipe and heat conducting oil. The heat storage materials are encapsulated in the heat storage material containers, the heat conducting pipes are arranged in the heat storage material containers, the heat storage materials are encapsulated between the inner walls of the heat storage material containers and the outer walls of the heat conducting pipes, and the heat conducting oil serves as a heat conducting medium in the heat conducting pipes. The low melting point alloy phase change heat storage device applied to the solar dryer has the advantages of being convenient in feeding and discharging, reliable, safe and high in drying efficiency.

The invention relates to a smoking device with a heat storage component. The smoking device is characterized by comprising a shell (1) and the heat storage component (2) arranged inside the shell (1). The heat storage component (2) comprises a heat storage material container (5) and a heat conducting element (7). One or more tobacco containing cavities (10) are defined by the heat storage material container (5) or defined by the heat storage material container (5) and external components jointly. Heat storage materials are placed into the heat storage material container (5). The heat conducting element (7) comprises a first heat conducting section (7a) and a second heat conducting section (7b), wherein the first heat conducting section (7a) is contained in the heat storage material container (5), and the second heat conducting section (7b) extends out of the heat storage material container (5). The smoking device and an external heat supply device can be connected in a pluggable mode to form a smoking system, heat storage and emission are achieved through phage change materials, and tobaccos are heated in the heat emission process. In this way, the smoking device can be provided with no battery or a small battery, the size of the smoking device is more approximate to a traditional spark ignition type cigarette, and the smoking device is convenient to use.

The invention discloses an anti-freeze high-efficiency flat solar water heater without a water tank. The solar water heater is characterized by comprising a frame shell, a heat insulation layer, a glass cover plate, an absorber plate core, a superconducting heat pipe, a phase transformation heat storage material layer and a hot water coil pipe, two ends of the hot water coil pipe are connected with a cold water inlet pipe and a hot water outlet pipe respectively, conducting silicone rubber is arranged between the absorber plate core and the superconducting heat pipe, a heat insulating material layer is arranged between the superconducting heat pipe and the phase transformation heat storage material layer, and a condensation end of the superconducting heat pipe contacts with the phase transformation heat storage material layer. Compared with the prior art, the solar water heater has the advantages that the structure is simple and reasonable, the heat absorbing area of the superconducting heat pipe is large, the heat absorbing effect is good, heat is stored by the condensation end and phase transformation materials, and by means of heat insulation, the good heat absorbing effect is kept, and further fine heat preservation effects are achieved when the solar water heater is used.

The invention discloses a closed type plane phase change hot accumulating tank heating system. The system comprises a hot accumulating water tank (1), a clamping plate (2), a flow-guide slot (3), a phase change hot accumulating plate (4), an insulating layer (5), a water tank heat exchanging tube (6), a water injecting tube (7), a hot water supplying tube (8), a heating supplying source (10), a drain tube (11) and a hot water heat exchanger (12), wherein valves are installed on tubes and are used for adjusting the flow, and the hot water supplying tube is connected to the hot accumulating tank in a closing or opening mode. When the heating supplying source heats the hot accumulating water tank through the water tank heat exchanging tube, the surplus heat can be stored in a phase change hot accumulating material. When the heating supplying source stops running or the water of the hot accumulating water tank fails to reach the heating temperature through the heating, the phase change hot accumulating plate can release the heat, and the heating hot water maintains at the heating temperature. The phase change hot accumulating material has large hot accumulating amount and stable temperature, the defect of unstable hearting of the heating supplying source is solved, and the system can reduce the volume of the hot accumulating water tank greatly.

A floor board with air vent in phase change accumulation of electric heating relating to structure design of heating floor board in energy accumulating type includes thtmerl insulating layer, electric heating film, layer of approved phase change material and floor board covering layer of which there is a air duct between layer of phase change material and floor board covering layer which air vents on it, there is solidifed time controllor and temp. controller in matching with peak-valley period of electricity network on electric heating film and there is fan on air vent as well as there is radiation rebbed sheet on layer of phase change material. The present invention can adjust heating volume of air vent artificially through controllable air vent to control room temp. and microclimate adjacent to human body.

The invention relates to a photovoltaic photo-thermal building integrated system. The photovoltaic photo-thermal building integrated system comprises a photovoltaic photo-thermal module, a hot water pipeline, a cold water pipeline, a flat plate type heat exchanger, a water tank, a direct-current circulating water pump, a storage battery, an inversion controller and an auxiliary heating device, wherein the flat plate type heat exchanger is connected with the photovoltaic photo-thermal module through the hot water pipeline and the cold water pipeline, the water tank is connected with the flat plate type heat exchanger through the direct-current circulating water pump, and the photovoltaic photo-thermal module is connected with the direct-current circulating water pump through the storage battery and the inversion controller. According to the photovoltaic photo-thermal building integrated system, building energy consumption can be greatly reduced, zero energy consumption can be achieved finally or the building energy consumption can approximate zero energy consumption, consumption of building fossil fuel can be reduced, the utilization rate of renewable energy sources such as solar energy can be increased, and carbon emission of a building is reduced. The photovoltaic photo-thermal building integrated system has the advantages that the heat conductivity coefficient is greatly increased, the heat transfer effect is better, system cost can be reduced, and the heat transfer efficiency can be improved.

The invention discloses an air preheater, which comprises at least two heat accumulation chambers, wherein hot flue gas inlets are formed in the heat accumulation chambers; the heat accumulation chambers are provided with condensed fluid and cold flue gas outlets; cold air inlets and hot air outlets are formed in the heat accumulation chambers; and heat accumulation media are filled in the heat accumulation chambers. According to the air preheater, the thermal efficiency of a heating furnace is improved to over 94 percent while the temperature of flue gas is reduced to be less than a dew point of acid; and simultaneously, acidic water, ash and other pollutants are recovered and condensed, so that the corrosion of equipment is delayed.

The present invention relates to a heat exchanger with covering layer, belonging to the field of heat exchanger technology. Said heat exchanger is characterized by that one side or several sides of surface of its heat storage body are coated with a layer of high radiation material, whose radiation factor is higher than that of heat storage body base material. The heat storage body form can be honeycomb, fin form, ball form or plate form, and base body of heat storage body is made up by using refractory material, ceramic material or metal material.

The invention belongs to the technical field of precision casting and particularly relates to a method for reducing microporosity during casting of a high-temperature alloy test bar. According to the method, by enlarging a feeding channel of molten steel in the test bar pouring process, the pouring temperature and a mode of heat dissipation of the test bar are improved, too quick solidification on the surface of the test bar is reduced, and the feeding effect of a pouring system is improved. The smoothness of the feeding channel of a test bar detection part is achieved, the microporosity defect in the middle of the test bar is completely introduced into the pouring system, and the microporosity caused by too many impurities in alloy liquid is reduced by utilizing a filtering system.

The invention discloses a phase-change material capsule and a preparation method thereof. The capsule uses a phase-change material as a capsule core and is characterized in that: a capsule wall material of the capsule at least comprises a monomer I polymer. The phase-change material capsule comprises the following materials in percentage by mass: 20.8 to 84.3 percent of phase-change material, 9 to 72.5 percent of monomer I, 0.4 to 4.5 percent of emulsifying agent and 0.1 to 2.2 percent of initiator, wherein the monomer I is a monomer comprising a crystallizable branch and comprises but not limited to at least one of crylic acid alkyl ester of which the branch contains 10 to 50 carbon atoms or methacrylic acid alkyl ester of 10 to 50 carbon atoms; the alkyl has a straight chain structure; the emulsifying agent is a micromolecule emulsifying agent and comprises an anionic, cationic, nonionic or polymer emulsifying agent; and the initiator comprises but not limited to a radical initiator or an oxidation-reduction initiator. In the preparation method, the phase-change material capsule is prepared by a suspension polymerization method or an in-situ polymerization method.

The invention discloses a temperature and humidity regulating type composite coating material and a preparation method thereof. The material is prepared from raw materials as follows: a styrene / butyl acrylate emulsion, deionized water, modified artificial zeolite, shape-stabilized phase change materials, silica sol, alcohol ester 12, nano titanium dioxide, an antibacterial agent, a thickening agent, a dispersant, an antifoaming agent and 0.5-1.5 parts of a sodium hydroxide solution. Compared with existing various ceramic-simulating coatings, dry powder coatings and resin coatings, the temperature and humidity regulating type composite coating material prepared with the method has the characteristics of high moisture absorption capacity, high moisture adsorption and release speed, thermal insulation, air purification, good flexibility, long service life, convenience in construction and the like, is suitable for indoor decoration of high-standard hotels, office buildings, houses and the like with high requirements for comfort of human bodies, can also be used for space decoration of a storage room, an underground warehouse and the like with moisture-proof and mildew-proof demands and belongs to an energy-saving and environment-friendly building coating.

The invention relates to a bushing-type high temperature heat storage device applied to solar heat utilization. The device is characterized by comprising an air inlet pipe, a heat storage room box body, a heat storage room door, an air outlet pipe, a first ventilation cavity, a second ventilation cavity, a heat storage material receiving pipeline, a coiled pipe, a heat storage material receiving pipeline support, a heat insulating material and a heat storage material, wherein the air inlet pipe is communicated with the first ventilation cavity positioned in heat storage space; the air outlet pipe is communicated with the second ventilation cavity positioned in the heat storage space; the coiled pipe is connected with a U-shaped pipe through an air flow pipeline; one end of the coiled pipe is communicated with the first ventilation cavity, and the other end of the coiled pipe is communicated with the second ventilation cavity; the heat storage material receiving pipeline is fixed with the air flow pipeline through the heat storage material receiving pipeline support; the heat storage material is encapsulated in the heat storage material receiving pipeline; and a heat transfer medium in the ventilation pipe is a gas. The bushing-type high temperature heat storage device has the advantages of simple structure, safety, reliability and high heat exchanging efficiency.

A solar energy and building integrated hot air power generation, ventilation and heating system comprises a house body. The house body comprises a foundation, walls, doors, windows and a solar hot air power generation, ventilation and heating system body. The solar hot air power generation, ventilation and heating system body comprises a solar energy ground collector, a solar energy outer wall collector, a solar energy roof collector, a solar hot air power generator, a solar heating device, a solar ventilating device and a solar hot air water heating device. The solar hot air power generation, ventilation and heating system has the advantages that the features of solar energy is effectively used, solar energy hot air is used for heating domestic hot water, ventilating, cooling, power generating and heating, solar energy air collectors are integrated with a building, the system is low in cost, safe, reliable, good in stability and capable of comprehensively utilizing solar energy all the year round, and the domestic hot water supply, winter heating, summer power generation, ventilation and cooling of the single building in northern areas can be achieved.

The invention discloses an open planar phase change heat storage tank. The heat storage tank mainly comprises a heat storage water tank (1), a clamping groove plate (2), a guide groove (3), a phase change heat storage plate (4), a thermal insulation layer (5), a high-temperature hot water injection pipe (6), a hot water supply pipe (7) and a water return pipe (8). Valves are installed on the pipes to regulate flow, a phase change heat storage material is installed in the phase change heat storage plate, a phase change material with the phase change temperature to be equal to hot water temperature is adopted according to requirements, and a phase change temperature range is 0-100 DEC G. When high-temperature hot water is supplied, the hot water is injected in the heat storage water tank, and heat of the hot water is stored in the phase change heat storage material. When supply of the high-temperature hot water is stopped, the phase change heat storage plate releases heat to enable water in the water tank to maintain the phase change temperature and supplies heat. The open planar phase change heat storage tank utilizes the advantages of large heat storage and stable temperature of the phase change material, overcomes the defect of unstable heat supply of a heat supply source, prolongs heat supply time, maintains stable heat supply temperature, and can greatly reduces volume of the heat storage water tank.

The invention discloses a phase change material capsule and a preparation method thereof. The capsule uses a phase change material to form a core. The capsule is characterized in that the material of the capsule wall at least contains monomer I polymer. The phase change material capsule comprises the following components by weight percent: 20.8-80.1% of phase change material, 9-24.5% of monomer I, 0.4-4.5% of emulsifier and 1-50% of initiator, wherein the monomer I contains at least one of 2-alkylaniline, 3-alkylpyrrole or 3-alkylthiophene, which has C10-50 branched chains and the alkyl has alinear chain structure; the phase change material contains a hydrophilic phase change material or oleophilic phase change material; the emulsifier belongs to micromolecular emulsifier and contains anionic emulsifier, cationic emulsifier, non-ionic emulsifier or polymer type emulsifier; and the initiator contains oxidization-reduction initiator. The preparation method adopts the suspension polymerization method or in-situ polymerization method to prepare the phase change material capsule.

The invention discloses a heat accumulating type pure air heating system. The heat accumulating type pure air heating system comprises six heaters arranged in parallel, first air inlet pipelines and an air outlet pipeline, wherein the effective power of each heater is about 9 MW, the heaters are FD07 air tunnel low-line metal sheet heat accumulation heaters, the first air inlet pipelines are connected to the first air inlet ends of the heaters to supply cold air to the heaters, each heater corresponds to one first air inlet pipeline, and the air outlet pipeline is connected to the air outlet ends of the six heaters and mixes and outputs hot air output by the six heaters. The six heaters are arranged in parallel, the effective power of each heater is 9 MW, and the heaters are FD07 air tunnel low-line metal sheet heat accumulation heaters, so that the heating system is formed, and the effective power of the heating system can reach 50 MW.

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 relates to a heat-storing and energy-saving window device coupled with a solar heat source. The heat-storing and energy-saving window device coupled with the solar heat source comprises a heat dissipation shutter. The heat-storing and energy-saving window device coupled with the solar heat source is characterized by further comprising a plate-type solar heat collector, a heating medium water pipeline and a phase-change material heat storage tank; the solar heat collector is of a plate-type structure and is installed on the upper portion of an outdoor lower window, the included angle between the heat collecting surface of the solar heat collector and the horizontal direction ranges from 10 degrees to 50 degrees, the length of the solar heat collector is the same as that of a window on which the solar heat collector is installed, and the width of the solar heat collector is one third to one second of the height of the window; the heat dissipation shutter comprises a water separator, heat dissipation water pipes, a water collector and heat conduction slats; the water separator and the water collector are horizontally arranged over and under the window on which the water separator and the water collector are installed respectively; the heat dissipation water pipes are evenly distributed between the water separator and the water collector, and each heat dissipation pipe is fixed with a heat conduction slat which can rotate by 360 degrees by taking the corresponding heat dissipation pipe as the axis.

The invention relates to a solar energy wall body heat utilization system. A heat storage wall body, which consists of light transmitting glass, a metal framework, a light-gathering glass mirror, a metal fin heat-absorbing tube, a sealing part, a heat insulation wall body, and a heat preservation material, is matched with a thermal heater, a water heater, and a hot air exchanger, wherein a phase change medium in the heat-absorbing tube absorbs heat and outputs hot air by gathering light and storing heat from the sun; and exchanged fluid is refluxed, so heat is exchanged. The temperature of the surface can be up to 120 DEG C in winter, and the heat energy can be stored in an indoor water heater, and also can be synchronously used for domestic heat supply, such as heating, hot air exchange, hot water and the like. The solar energy wall body heat utilization system can be produced in standardization, universalization and industrialization, is widely used in construction and reconstruction of the wall body and a domestic heat supply source, and has an obvious energy saving effect.

The invention provides a technical scheme of a phase change cold accumulating device. According to the scheme, the phase change cold accumulating device comprises a heat taking cold plate, a heat releasing cold plate, a framework material, a phase change material and a heat isolation material which are arranged in a package shell. The framework material is arranged between the heat taking cold plate and the heat releasing cold plate. The framework material, the heat releasing cold plate and the heat taking cold plate are arranged in a laminated stacking and staggered mode. The framework material is filled with the phase change material. The heat isolation material is arranged on the inner wall of the package shell. A heat taking loop is arranged in the heat taking cold plate. A heat releasing loop is arranged in the heat releasing cold plate. A heat taking secondary refrigerant is arranged in the heat taking loop. A heat releasing secondary refrigerant is arranged in the heat releasing loop. An exhaust hole and a phase change material adding port are formed in the top of the package shell. According to the scheme, the heat releasing loop, the heat taking loop and the phase change material are utilized for carrying out heat exchange, additional energy is not needed, and the whole device is small in size and low in energy consumption.

The invention relates to the technical field of an energy storage device and particularly relates to an energy storage device which is filled with phase change energy storage materials. The energy storage device comprises a water tank and an energy storage body arranged in the water tank, wherein the energy storage body comprises an energy storage box body which is fixedly connected with the inner wall of the water tank, a phase change material injection pipe, a phase change material leakage pipe, and a water passing pipe which is vertically arranged in the energy storage box body and is used for penetrating through the energy storage box body up and down; the energy storage box body is internally filled with phase change materials. The invention provides a heat accumulation device filled with the phase change materials; the phase change materials are used for storing solar energy and a water temperature is controlled in a certain range; not only are the requirements of heating water temperature met, but also the water supplying temperature is reduced; the heat radiation loss is reduced, the heat collection efficiency of a heat collector is improved and the heat accumulation amount is increased; the device is applied to combination use of a solar floor radiation heating system and the better effect can be obtained.

The invention relates to a preparation method and application method of a shape-stabilized phase-change heat-storage cooling pavement material suitable for a high-temperature area. The method is characterized in that a shape-stabilized phase-change material is prepared from stearic acid, palmitic acid and expanded perlite at the ratio of 2:3:2.5 by adopting a vacuum impregnation method. The application method of the shape-stabilized phase-change heat-storage cooling pavement material is a design method of mixing the shape-stabilized phase-change material into an asphalt mixture and adopting asphalt mastic as the mixture. The prepared shape-stabilized phase-change heat-storage cooling pavement material suitable for the high-temperature area has good cooling and heat-insulating properties, the phase change temperature is 52.8 DEG C, the phase change enthalpy can reach 132J / g, the pavement temperature can be reduced to 4.4 DEG C and the problem of an asphalt pavement track in the high-temperature area can be effectively solved.

A refractory zirconium corundum sphere for the air heater of blast furnace is proportionally prepared from conundum, alpha-Al2O3, zircon concentrate, clay powder and lignin solution through mixing, grinding, baking and sintering.