83results about How to "With heat storage function" patented technology

A silicon carbide ceramic foam solar energy air heat absorber uses silicon carbide ceramic foam materials as solar energy absorber. The silicon carbide ceramic foam absorber is wrapped with an insulating layer (2). A radiant heat flux (3) projects onto the surface of the silicon carbide ceramic foam absorber (1) or into an artificial blackbody cavity (9) and is received by the silicon carbide ceramic foam absorber (1). Cold air (4) flows in from the side of the silicon carbide ceramic foam absorber (1) positive to the radiant heat flux (3). Hot air (5) is obtained through heat exchange of thecold air and the radiant heat flux. Or the cold air (4) flows in from the side of the silicon carbide ceramic foam absorber (1) positive to the radiant heat flux (3) or back to the radiant heat flux (3). The hot air (5) of 700 to 1300 DEG C is obtained through the heat exchange of the cold air and the radiant heat flux through a quartz window (10). The silicon carbide ceramic foam absorber (1) buries an air diversion channel (8) beforehand. The invention can effectively receive radiant heat and emit heat to the air and take advantage of self-sensible heat to store heat at the same time.

The invention discloses a mean-temperature method of a cylindrical battery. The mean-temperature method of the cylindrical battery has the technical scheme that 1, the arrangement mode is determined according to the battery pack forming requirements, and a casing module is designed; 2, a cylindrical battery cell is assembled in the casing module, and sealant is coated for sealing; 3, liquid phase change material composite glue is prepared; 4, the phase change material composite glue is poured into the casing module, and a battery pack with good temperature consistency is obtained after curing and forming. The phase change material composite glue is prepared by phase change materials and organic silicon filling and sealing glue according to a certain ratio, wherein the phase change materials use paraffin and graphite as major components; the organic silicon filling and sealing glue uses vinyl silicone oil and modified aluminum oxide powder as major components. Through the structure features of the mean-temperature method, the mean-temperature method has the beneficial effects that the battery core has good temperature consistency; the module structure is good in intensity and can pass by the battery pack-relevant vibration, falling and collision tests. The phase change material composite glue is encapsulated in the casing; no loss occurs after the long-time cyclic use; the permanent service life is realized.

A movable rectangular heating station consisting of a casing, an insulating layer, an internal box body, a high-performance heat-storing body, a heat-exchanging coil, a heat recovery unit, a heating distributor, a temperature probe, a controller, a bottom stand, a circulating water inlet, a hot water outlet, a temp.-control valve and a thermal flow meter can recover residual heat and waste heat from the heating and power plant and the heat source plant and realize the heat-transfer without pipelines by the movable conveying, so as to transfer the stored heat into the users for heating and supplying the domestic water.

The invention relates to a heat-absorbing body rotary air heat absorber for a solar thermal power station. A silicon carbide foamed ceramic heat-absorbing body (1) is integrated from three or more of silicon carbide foamed ceramic plates, a rotation shaft (3) is a compact silicon carbide ceramic bar which is sintered with the silicon carbide foamed ceramic heat-absorbing body for forming, the rotation shaft (3) penetrates through the silicon carbide foamed ceramic heat-absorbing body or partially embedded in the silicon carbide foamed ceramic heat-absorbing body (1), the axis of the rotation shaft (3) is overlapped with the centre line of the silicon carbide foamed ceramic heat-absorbing body; the silicon carbide foamed ceramic heat-absorbing body can perform circular rotation around the rotation shaft (3), an air cavity (4) contains a radiation incoming window (2) on the sunlight incoming side and is provided with an air inlet and an air outlet which are separately used for the air to flow in or out; and the outer surface of the air cavity (4) is covered with an insulating layer. The invention can be used to obtain high temperature air in a temperature range of 700-1300 DEG C and with a pressure of normal pressure or over 1MPa, and the self-sensible heat of the air heat absorber is used for heat storage.

The invention relates to a solar-energy low-temperature thermal power-generation and photovoltaic power-generation combination system, comprising a compound parabolic collector system, a heat storage system, an organic rankine cycle power-generation system, a photovoltaic module and a photovoltaic power-supply system, wherein the compound parabolic collector system comprises a high-temperature end compound parabolic collector array and a low-temperature end compound parabolic collector array, and the photovoltaic module is arranged on the upper part of a heat absorber of the compound parabolic collector; the heat storage system comprises a liquid storage tank in which coil pipes are equally arranged, and PCM (phase change material) is filled in the coil pipes; the organic rankine cycle power-generation system comprises an evaporator, a steam turbine, a generator, a heat regenerator, a condenser, two pumps and six valves. The total power-generation efficiency of the combination system is greatly enhanced; and the adoption of the heat storage system avoids the application of additional accumulators and complicated tracking devices, thus reducing cost; and the adoption of two-class evaporator reduces non-reversibility of heat transmission of heat-exchanging fluid and organic work-medium so as to reduce average running temperature, thus being in favor of prolonging service life of photovoltaic cells.

The invention discloses a nanometer molten salt phase-change energy storage solar furnace which comprises a Fresnel condenser, a phase-change energy storage heat exchanger, a longitude and latitude double-shaft tracker, stay rods, a V-shaped balance support and a bottom bracket. The phase-change energy storage heat exchanger with heat absorption, heat release and heat storage functions is mounted at a condensation focus of the Fresnel condenser, nanometer molten salt composite phase-change energy storage materials are arranged in the phase-change energy storage heat exchanger, a heat absorption cavity and a heat release furnace end are arranged on the phase-change energy storage heat exchanger, and a heat-insulation layer wraps the outside of the phase-change energy storage heat exchanger. Heat utilization requirements such as water heating, cooking and barbecue for general family life can be met by the solar furnace. Compared with the traditional direct condensation type solar furnace, the nanometer molten salt phase-change energy storage solar furnace has the advantages that the heat collecting temperature is high, outdoor operation is omitted, the nanometer molten salt phase-change energy storage solar furnace can continue being used at night without the sun, and the like.

The invention relates to a direct-expansion type solar energy low-temperature thermal power generation and photovoltaic power generation compound system, which comprises an organic Rankine cycle power generation system, a thermal storage system and a photovoltaic heat collecting system. The photovoltaic heat collecting system comprises more than two parabolic reflectors positioned in a shell, wherein the bottom of each parabolic reflector is provided with a metal plate groove, the segments of an evaporation tube of an evaporator are respectively positioned in the metal plate groove at the bottom of each parabolic reflector, a heat absorption body is arranged above the metal plate groove, and a photovoltaic cell component is arranged above the heat absorption body. The concentration ratio of the parabolic reflector is smaller than 10. A direct-expansion type solar energy thermoelectric conversion structure adopted by the invention does not need an intermediate heat transfer medium, avoids secondary heat transfer, and effectively increases the heat transfer performance between an organic working medium and a photovoltaic heat collector. The invention realizes the direct combination of the evaporator and the heat collector, the organic working medium directly absorbs the heat to expand via the heat collector, and the invention breaks the limit of a secondary heat transfer key device of the previous solar energy low-temperature thermal power generation system.

The invention relates to a liquid steel slag dry-process granulating device and a sensible heat recovery method. The liquid steel slag dry-process granulating device comprises a feeding device, a dry-process granulator, a cyclone separator and a sensible heat recovery device, wherein the dry-process granulator, the cyclone separator and the sensible heat recovery device are mutually communicated.The granulating method comprises the following steps: liquid steel slag enters the dry-process granulator through the feeding device and is granulated into fine steel slag granules, and enters the roller type sensible heat recovery device with solid particles separated by the cyclone separator to recover the sensible heat. The invention has the advantages that the grain size of the granulated steel slag is small and uniform, the sensible heat recovery efficiency is high, the occupied area is small and the investment cost is low.

The invention discloses a positive displacement air thermal absorber with a rotary heat absorption body. A thermal absorber piece comprises a plurality of rotary heat absorption rods (1); each heat absorption rod (1) comprises a plurality of heat absorption cylinders (11) and a rotating shaft (12); the heat absorption cylinders (11) are hollow concentric cylindrical bodies, and are integrally made of silicon carbide foam ceramic; clamping grooves (13) are formed in the inner walls of the heat absorption cylinders (11); the rotating shaft (12) is cylindrical; convexes (14) are arranged in the exterior of the rotating shaft (12); the clamping grooves (13) are in close fit with the convexes (14); the rotating shaft (12) is integrally made of compact high-temperature resistance ceramic or heat-resistant alloy steel; the axis of the rotating shaft (12) is reclosed with the axes of the heat absorption cylinders (11); the heat absorption cylinders (11) are connected with the exterior of the rotating shaft (12) in a sleeving manner. The positive displacement air thermal absorber can acquire high-temperature air of which the temperature range is 700 DEG C-1300 DEG C, and the pressure is normal or higher than 1MPa, accumulates heat utilizing sensible heat of the air thermal absorber at the same time, and can be used for a cavity type non-pressure or non-pressure air thermal absorber, and an external cylindrical non-pressure air thermal absorber.

The invention discloses a vertical manufacture method for a scoria concrete sandwich thermal insulation external wall panel. The vertical manufacture method comprises the following steps: step 1, formulation of a production technological process; step 2, production preparation; step 3, installation of a mold table; step 4, installation of a wall panel inner core; step 5, installation of a window inner mold and a door inner mold; step 6, installation of an inner leaf mold and an outer leaf mold; step 7, casting of protective layer concrete; step 8, maintaining and demolding; and step 9, end product delivery. The vertical manufacture method has the following beneficial effects: a power trowel, a flattening machine and a mold roll-over machine are omitted, so that the area of a production site is saved, the construction is convenient and fast, factory production and assembly construction are realized, the degree of industrialization is high, lots of social labor force is saved, and the social efficiency is improved. The construction speed is high, the building period is short and the construction cost is remarkably lowered.

The multiple fire hole flame-free ceramic burners is used in flameless combustion industrial furnace and kiln, especially hot blast stove for iron making blast furnace. The multiple fire hole flame-free ceramic burner has two outer ring gas channels. After air through the air inlet and gas through the gas inlet enter the air preheating ring channel and the gas ring channel, gas and air are preheated in between two ring channels before jetting to the mixer for mixing and jetting through the combustion nozzle to combust. The gas ring channel has guide bricks for homogeneous distribution of gas. The present invention has unique structure, small size and great power, and is suitable for various kinds of hot blast stove with heat accumulator.

The invention provides a solid-particle air heat absorber used for a solar thermal power plant; the side of an absorber cavity (1) facing the projection of light-concentrated radiation energy flow (14) is provided with a light-transmitting window (3); sold particles (9) flow in the absorber cavity (1); and the connections respectively between a main shaft (7) and the two ends of the absorber cavity (1) are sealed; a stirring blade (2) is arranged on the main shaft (7) and is rigidly connected with the main shaft (7); an air inlet (13) is arranged on the bottom part of the side surface of the absorber cavity (1), and the connection between the air inlet and the absorber cavity (1) is sealed. An air outlet (6) is arranged on the top part of the absorber cavity (1), and the connection between the air outlet (6) and the absorber cavity (1) is sealed. A feed port (4) is arranged on the top part or the side surface of the heat absorber, and the connection between the feed port and the absorber cavity (1) is sealed. A discharge port (10) is arranged on the bottom part of the heat absorber, and the connection between the discharge port and the absorber cavity (1) is sealed. The solid-particle air heat absorber can obtain the air whose temperature is from 700 DEG C to 1600 DEG C and whose normal pressure or the pressure is higher than 1MPa.

The new composite phase changing heat accumulating heating technology includes adding heat accumulating pipe and heat accumulating capsule into traditional electric heating set and filling heat medium in the gaps. The heat accumulating medium takes phase change while being heated and cooled to form one latent heat accumulating process. The heat medium acts as the fluid medium for heat transfer between the heated surface and the heat accumulating medium to strengthen the heat transfer inside the heat accumulating medium on one hand, and takes temperature change as one sensible heat process accompanying the heat accumulating and releasing on the other hand. The technology of the present invention can strengthen the heat transfer process inside heat accumulating medium, raise heat accumulating capacity and decrease size of heat accumulating apparatus.

The invention relates to a solar heat power generation system which is composed of a groove-type solar condensation and heat accumulation device, a first heat storage device, a steam generator and a second heat storage device, wherein heat accumulating pipes the interiors of which are filled with molten salt are arrayed at an optical focus position of the condensation and heat accumulation device, and the molten salt is used for storing the heat energy of the sun; the first heat storage device is connected with the heat accumulation pipes and is used for storing the molten salt which is heated by the sunlights; the first heat storage device is connected with the steam generator, exchanges energy with water in the steam generator, and changes water into saturated vapor to enter a steam turbine to do work in an expansion mode; the steam generator is connected with a second heat storage device; the second heat storage device is connected with the heat accumulation pipes; and the molten salt after energy exchange in the steam generator enters the heat accumulation pipes through the second heat storage pipe, thus circulation is formed. The system provided by the invention has the characteristics of high efficiency, heat accumulation function, good heat storage performance, good continuity, low cost and the like.

The invention relates to a solid particle accumulation bed-type air heat absorber for a solar thermal power station, which consists of a quartz glass tube bundle (1), solid particles (2), a cold air collection box (3), a hot air collection box (4), a cold air inlet (5) and a hot air outlet (6). The quartz glass tube bundle (1) consists of a plurality of quartz glass tubes; the solid particles (2) are accumulated inside the quartz glass tubes of the quartz glass tube bundle (1), and keep a stationary state in the working process; the cold air collection box (3) is positioned in the lower part of the quartz glass tube bundle (1) and is in sealed connection with the lower part of the quartz glass tube bundle (1); the hot air collection box (4) is positioned in the upper part of the quartz glass tube bundle (1) and is in sealed connection with the upper part of the quartz glass tube bundle (1); the cold air inlet (5) is positioned on the cold air collection box (3); and the hot air outlet (6) is positioned on the hot air collection box (4). According to the invention, high temperature air at the temperature of 700 DEG C to 1,300 DEG C and the normal pressure or the pressure of over 1MPa can be obtained, and meanwhile, sensible heat per se is used for heat accumulation.

The invention relates to a waste-heat utilization triple generation system for blast furnace slag water employing a minter process. The waste-heat utilization triple generation system comprises a granulating device, wherein the granulating device is orderly communicated with a slag-water separating device, a settling pond and a sediment heat storage pool, wherein the sediment heat storage pool is connected with a first inlet of a heat exchange device by virtue of a waste heat water supply pump group; a first outlet of the heat exchange device is communicated with a granulating reservoir; a second inlet of the heat exchange device is respectively connected with the outlet of a heating user and the first outlet of a refrigeration mechanism through heating water supply pump groups; the inlet of the heating user and the first inlet of the refrigeration mechanism are communicated with the second outlet of the heat exchange device; the second inlet of the refrigeration mechanism is communicated with the second outlet of the refrigeration mechanism by virtue of an indoor refrigeration user and a dehumidified blast user; the outlet of the granulating reservoir is communicated with the granulating device by virtue of the granulating water supply pump group. The system is applied to triple generation of heating, refrigerating or blast furnace dehumidified blasting, and is high in heat efficiency and stable in water quality.

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 discloses an air control method, device and system for an air conditioner. The system comprises an indoor unit, an outdoor unit, a heat accumulation device and an air conditioner control device. The heat accumulation device is connected with the outdoor unit of the air conditioner through a pipeline. The heat accumulation device is connected with the air conditioner control device. The heat accumulation device is connected in an air conditioner communication network. The heat accumulation device is in communication connection with the indoor unit and the outdoor unit of the air conditioner. When the air conditioner is in a heating mode, heat is brought to the indoor unit and the heat accumulation device from the outside of a room; and in the defrosting process of an air conditioner unit, heat can be transmitted back to the outdoor unit from the heat accumulation device to achieve the purpose of defrosting. According to the air control method, device and the system for the air conditioner, the problem that the indoor temperature is obviously reduced when heat is taken from the indoor side during defrosting of the air conditioner is solved; the multiple online air conditioner has a heat accumulation function; the indoor temperature cannot be obviously reduced during heating defrosting; and air conditioner refrigerating is not affected by the heat accumulation device.

The invention discloses a heat storage combustion type engine which is formed by remolding the conventional engine. Compressed air compressed by an air compressor enters a compressed air storage tank by a check valve. An electric heater is installed in the compressed air storage tank, and an engine waste gas heater is coated outside the compressed air storage tank. A compressed air pipeline from the compressed air storage tank is connected to a pipeline between an air inlet valve and an air inlet electromagnetic valve by a compressed air outlet electromagnetic valve. A plane alloy mesh is installed on the bottom of a piston in an air cylinder or a hemisphere surface alloy mesh is installed on an air cylinder cover, and a catalyst is sprayed on the alloy mesh. The compressed air is heated by the electric heater before the engine is started, and heat compressed air is absorbed during the starting of the engine so that injected fuel oil is relatively easy to ignite. In a power stroke, fuel oil in the air cylinder is ignited to heat the plane alloy mesh on the bottom of the piston or the hemisphere surface alloy mesh on the air cylinder cover, the alloy mesh absorbs a small amount of heat and the temperature can rise fast. Combustibles such as hydrocarbon and carbon particles in the air cylinder can be ignited by the red-hot alloy mesh.

The invention relates to an insulation system for a polycrystalline silicon ingot, comprising a furnace body. A metal frame is arranged on the periphery inside the furnace body; the lateral wall of the metal frame is provided with a lateral mullite fiber board; the top part of the metal frame is provided with a top mullite fiber board; the bottom of a graphite plate under a crucible is provided with a bottom mullite fiber plate; a closed space is formed by the mullite fiber plates which are positioned on the bottom of the graphite plate, in the lateral wall of the metal frame and on the top ofthe metal frame respectively; a layer of a corundum mullite burning plate is arranged inside of the lateral mullite fiber plate close to the center of the furnace center. The insulation system can reduce electric energy consumption in a process for casting the polycrystalline silicon, reduces thermal stress of the silicon ingot and improves yield of slices when large silicon ingots are cast, andis particularly suitable for producing polycrystalline silicon ingots over 450kgs.

The invention discloses a heat and cold storage type gas-assisted solar absorption type ammonia water cooling system. The heat and cold storage type gas-assisted solar absorption type ammonia water cooling system mainly comprises a solar energy heat storage subsystem, an absorption type refrigeration subsystem, a cold storage subsystem and a chilled water subsystem; the absorption type refrigeration subsystem is internally provided with a primary generator and a secondary generator; the secondary generator is arranged below the primary generator; the solar energy heat storage subsystem provides heat for the primary generator; gas provides heat for the secondary generator; the cold storage subsystem comprises an expansion valve, a cold storage tank and an electromagnetic valve; the chilledwater subsystem comprises a fan coil; the fan coil is connected with a precooler through a chilled water pipeline which is provided with a chilled water pump and an electromagnetic valve and a chilledwater pipeline which is provided with an electromagnetic valve and a heat exchanger; an electromagnetic valve is arranged between the two chilled water pipelines; and the cold storage tank is connected with the heat exchanger through a solution pump. The solar energy absorption type ammonia water cooling system is combined with a heat and cold storage technology, so that the heat and cold storagetype gas-assisted solar absorption type ammonia water cooling system is energy-saving and environmentally friendly, and is high in energy gradient utilization rate and adjustability.

The invention provides an inner pot structure, an electric pressure cooker and a stainless steel pot bottom compositing method. The inner pot structure comprises a stainless steel pot body, a heat storage board and a stainless steel base plate, wherein the cross section of the stainless steel pot body is in an oval shape; the stainless steel pot body comprises a side wall and a bottom wall locatedat the bottom of the side wall; the heat storage board is located on the lower surface of the bottom wall; the stainless steel base plate is located on the lower surface of the heat storage board; and the stainless steel pot body, the heat storage board and the stainless steel base plate are combined with each other in turn in the manner of hot pressing. The compositing design for the bottom of the inner pot is applied to the inner pot structure provided by the invention, so that the heating efficiency can be increased, and meanwhile, the stainless steel pot body has good rigidity, the stability of overall size distortion is kept under the state of bearing load, the sheet thickness of the stainless steel pot body does not need to be wholly increased, the weight of the inner pot structureis reduced and the effects of sheet thinning and cost lowering can be achieved.

The invention discloses a paraffin-felt phase-changing composite heat storage material, which mainly comprises paraffin and a felt. The felt is placed in melted paraffin for immersion, and after the felt is fully saturated, the felt is taken out and congealed to prepare the material. According to the paraffin-felt phase-changing composite heat storage material, paraffin is adopted as a phase-changing material, the felt is used as an absorption and support structure to prepare the material, thus the defects of flowing paraffin in a liquid phase and rapid radiation are overcome, and the prepared paraffin-felt phase-changing composite heat storage material has the advantages of a light proportion, fundamental non-flowing, a stable shape, zero corrosion and better and unexpected effects on heat storage and heat preservation.

The invention relates to a triple co-supply system for utilization of waste heat of blast furnace bottom-filtration-method slag flushing water. The triple co-supply system comprises a granulation apparatus; the granulation apparatus is successively communicated with a slag sluice, a filter tank and a waste heat reservoir; the waste heat reservoir is connected with the first inlet of a heat exchange apparatus through a waste heat water-supply pump group; the first outlet of the heat exchange apparatus is communicated with a granulation reservoir, and the second inlet of the heat exchange apparatus is respectively connected with a heating user and the first outlet of a cooling mechanism through a heating water-supply pump group; the heating user and the first inlet of the cooling mechanism are communicated with the second outlet of the heat exchange apparatus; the second inlet of the cooling mechanism is communicated with an indoor cooling user and a dehumidified blasting user; the indoor cooling user and the dehumidified blasting user are communicated with the second outlet of the cooling mechanism; and the granulation reservoir is communicated with the granulation apparatus through a granulation water-supply pump group. The system is used for triple co-supply of heating, cooling and blast furnace dehumidified blasting and has the advantages of high thermal efficiency and stable water quality.

The invention relates to a heat supply system and a heat supply method. The heat supply system comprises a compressor, a first throttling valve, a second throttling valve, a first valve, a second valve, a third valve, a fourth valve, a heat medium container, an upper heat exchanger, a middle heat exchanger and a lower heat exchanger; wherein the upper heat exchanger, the middle heat exchanger and the lower heat exchanger are arranged in the heat medium container from top to bottom; and the heat medium container is used for containing a heat medium, the middle lower part of the heat medium container is provided with a heat medium inlet, and the top and the bottom of the heat medium container are respectively provided with a heat medium outlet. The heat supply system can adopt tap water, heat discharged by a refrigeration air-conditioner and ambient air as heat sources to enable the energy of the tap water, the heat discharged by the refrigeration air-conditioner and the ambient air to be effectively utilized, and enable the heat supply coefficient of a vapor compression type heat pump cycle, i.e. the heat efficiency of the heat supply system to be obviously enhanced by combining the effective utilization of valley electric power. The heat supply system also has the characteristics of steady temperature of the provided heat medium or hot water and scaling resistance of a heat-transfer surface, thereby being more suitable for practical use.

The invention relates to a solar water heater with three water tanks. The solar water heater with the three water tanks comprises vacuum heat collection tubes, a support, the heat collection water tank, the heat preservation water tank and the heat storage water tank. The vacuum heat collection tubes are connected with the heat collection water tank. The heat preservation water tank is arranged above the heat collection water tank. At least one return pipe is arranged between the heat collection water tank and the heat preservation water tank. The heat storage water tank is arranged below the heat preservation water tank. At least one return pipe is arranged between the heat storage water tank and the heat preservation water tank. A water delivery channel delivering water from the heat preservation water tank to the heat storage water tank is further arranged between the heat storage water tank and the heat preservation water tank. A phase-change material bag is arranged inside the heat storage water tank. The water delivery channel comprises a connecting pipe arranged between the heat preservation water tank and the heat storage water tank and a water pump arranged on the connecting pipe. The water pump is a photovoltaic water pump, and is driven by a photovoltaic power generation system and controlled by an automatic temperature switch. The solar water heater is provided with the heat collection water tank, the heat preservation water tank and the heat storage water tank, the phase-change material bag is arranged inside the heat storage water tank, so that the heat storage function is achieved, hot water service time can be prolonged, and the requirement for using hot water can still be met on a rainy day after fine weather.

The present invention is one infrared electrothermal composite plate containing quartz powder, lime hydrate, cement, cellulose, wollastonite conducting carbon black as conducting medium and water. The present invention has the features of environment protection, saving energy, heat accumulating, infrared physiotherapy, no static electricity, preventing electromagnetic wave radiation and others. It may be used in warming, infrared physiotherapeutic equipment, industrial stoving, heat insulating decoration, etc.

The invention relates to a multistage phase-change heat storage type solar heating and heating water supply system. A spiral heat exchange tube is arranged in an inner cavity of a solar vacuum heat collection tube, meanwhile, a phase change material is partially filled in a gap between the spiral heat exchange tube and the inner cavity of the solar vacuum heat collection tube, the spiral tube is compact in structure, large in heat transfer area and high in phase change material energy storage, isothermal in the energy storage process, and provides a solar vacuum heat collection tube with heatcollection and heat storage functions. According to the multistage phase-change heat storage type solar heating and heating water supply system, a reflective coating is coated on the shady side of a high borosilicate glass tube, the oblique sunlight is reflected to a selective absorption coating on the outer surface of a metal inner tube, and the illumination loss is reduced. The phase change material is graded and filled into three parts of a solar vacuum heat collection tube, a water collector and a hot water tank, compared with a centralized heat storage device, the space is saved, the material accumulation thickness is reduced, and the heat transfer efficiency is improved. According to the whole system, solar energy is used as a main heat source, the electric energy is an auxiliary heat source, and the requirements of users under various working conditions can be met.

The invention discloses a method for preparing a metal composite plate and a metal composite pipe through an interface fusion method. The method for preparing the metal composite plate and the metal composite pipe through the interface fusion method comprises the steps of surface treatment, pouring cavity preparing, alloy metal liquid pouring and the like. A pouring cavity is formed between a ceramic mold and a matrix pipe layer or matrix plate layer, and a high-frequency heater can be used for heating the matrix pipe layer or matrix plate layer; the ceramic mold has the heat storage function, heat losses of the matrix pipe layer or matrix plate layer can be reduced, and secondary refusion of a composite interface can be achieved; and the defect that a traditional metal mold is not suitable for high-temperature heating and temperature control is overcome.

The invention discloses an hot water production method complementary of air heat source and steam exhaust exhaust heat, is characterized by employing an air source heat pump to heat up tap water by temperature of 8-12 DEG C; recycling steam exhaust in washhouse to reheat up the hot water from the air source heat pump by temperature of 55-70 DEG C, and feeding the hot water into a hot water reservoir for standby. The steam exhaust itself is condensed to be condensation water with temperature of about 90 DEG C approximately and is feed into the water reservoir for standby. In addition condensation water used by dry cleaning apparatus and / or wiping stain bench in the washhouse is converged and feed into the water reservoir for standby. The invention can effectively use hot water from air heat and steam exhaust waste heat in washhouses of guesthouse or hotel, which can remarkably conserve energy and reduce cost.