410 results about "Heat storage material" patented technology

The invention discloses a high heat storage density stable thermochemical adsorption composite heat storage material and a preparation method thereof, the high heat storage density stable thermochemical adsorption composite heat storage material comprises 54%-57% by mass of mixed salt and 43%-46% by mass of a porous material, the mixed salt comprises MgSO4 and MgCl2, the mass ratio of MgSO4 to MgCl2 is 9: 1-6: 4, and the porous material is expanded perlite modified by nano alumina or a silane coupling agent. The high-heat-storage-density stable thermochemical-adsorption composite heat storage material provided by the invention is simple in preparation method, and the modified expanded perlite is used as a carrier of the mixed hydrated salt; the obtained composite heat storage material has excellent performance: the salt-containing load rate is 114-121%, the water absorption rate is 1.2-1.28 g / g, the heat storage density is 1123.5-1208.6 kJ / kg, the heat storage temperature is 133.4-141.3 DEG C, the structural strength is 10.346-12.631 kPa, the structural stability is 99.27-99.53%, and the stability is 79.7-83.3% after circulation for 30 times, that is, the composite heat storage material is high in heat storage density, high in water absorption rate, low in heat storage temperature, high in strength and not easy to scatter and fall off, and the composite heat storage material is suitable for large-scale production. And the material also has relatively good cycling stability.

The invention discloses a multi-energy cooperative control method and system with a self-adaptive disturbance discrimination function, and relates to the technical field of energy cooperative control, and the method comprises the following steps: constructing a multi-band phase fingerprint sequence based on the instantaneous voltage response of a photovoltaic array, and forming an initial energy transition baseline through extracting microsecond phase deviation tracks in different bands; and based on the initial energy transition baseline, constructing time series dynamic gradient mapping, converting the phase deviation trajectory into continuous power gradient distribution, and identifying a potential acceleration fragment in the power gradient distribution. According to the method, a high-sensitivity energy identification mechanism is constructed, pre-judgment is carried out in advance before photovoltaic output sharply rises, and power of different frequency bands is guided to enter a layered energy storage path based on a high-risk window, so that energy deposition according to needs is realized, local thermal stress concentration is avoided, and structural damage and energy storage attenuation of a heat storage body are effectively prevented; the stability and safety of electric heating are improved, and the service life of heat storage materials is prolonged.

The invention relates to the technical field of traditional Chinese medicine physical therapy instruments, in particular to a traditional Chinese medicine physical therapy hot compress device which comprises a waistband body, a temperature uniformizing layer, a physical therapy assembly and a control module. A control module is arranged in the middle of the waistband main body, flexible heating belts are symmetrically arranged on two sides, and adjustable connecting pieces (clamping seats and buckling pieces) are arranged at two ends of the waistband main body, so that the waistline is convenient to adjust; a temperature uniformizing layer and a physiotherapy assembly are sequentially arranged on the inner side of the flexible heating belt, the temperature uniformizing layer is provided with a flexible bag, and the flexible bag is filled with a phase change heat storage material; the physiotherapy assembly comprises a physiotherapy bag and a detachable medicine bag; the control module is provided with a display screen, an adjusting button, an external charging port, a storage battery pack, a temperature sensor and a microprocessor; according to the device, the temperature is accurately controlled through the temperature sensor and the microprocessor, the heat is uniformly distributed through the temperature uniform layer and the phase change material, a user can change a medicine bag according to needs to achieve personalized physiotherapy, and the device has the advantages of being accurate and controllable in temperature, uniform in heat distribution, high in physiotherapy pertinence, convenient and flexible to use and stable and reliable in endurance.

The invention relates to the technical field of heat energy storage materials, and particularly provides a silicon dioxide aerogel composite phase change heat storage material and a preparation method thereof. The method comprises the following steps: mixing an organic silicon source, absolute ethyl alcohol and deionized water according to a specific ratio, fully stirring to obtain a mixed solution, and dropwise adding an acid catalyst into the mixed solution at room temperature for hydrolysis reaction to obtain a hydrolysate; sequentially adding a drying control agent and an alkali catalyst, and standing for gelation reaction to obtain gel; adding an organic solvent to carry out aging reaction, and then adopting the organic solvent to carry out replacement for multiple times to obtain alcogel; replacing the alcohol gel with an organic solvent for multiple times to obtain wet gel, soaking the wet gel in an excessive molten phase change material, and carrying out normal-pressure solvent replacement and drying at 40 DEG C to obtain the phase change material, the loading capacity of octadecane in the obtained CPCM is about 83%, the phase change enthalpy reaches up to 192J / g, the heat conductivity is as low as 0.0812 W / m.K, and no obvious leakage occurs after 200 times of circulation.

The invention discloses a preparation method of a photo-thermal conversion-phase change heat storage polyurethane flexible film, and relates to the technical field of polyurethane phase change materials. According to the invention, polyethylene glycol is used as a polymeric monomer and a phase change heat storage substrate, diisocyanate and dimethylolbutyric acid are used as reaction monomers, any one of 3, 3-dithio-bis-propionyl hydrazide or (R, R)-3, 3 '-diseleno-bis (2-aminopropionic acid) is used as a cross-linking agent, and transition metal carboxylate and a nano photo-thermal conversion agent are introduced to prepare the phase change heat storage material. And the polyurethane flexible film with photo-thermal conversion-phase change heat storage is prepared. A hydrazide group at the tail end of a cross-linking agent and an isocyanate group are subjected to nucleophilic addition reaction to generate a hydrazide-urea structure of which the main chain contains disulfide bonds and constructs multiple hydrogen bonds, and meanwhile, a metal carboxylate coordination bond is introduced, so that the film is endowed with an excellent mechanical response effect in a wide temperature range; the nano photo-thermal conversion agent is added into the system, so that the system has good photo-thermal conversion performance.

The invention provides a hydrophilic modified porous graphite-based phase change heat storage material and a preparation method thereof, and relates to the technical field of phase change heat storage materials. The hydrophilic oxide layer is constructed on the pore surface of the porous graphite, so that the porous graphite is changed from hydrophobicity to hydrophilicity, and the application limitation caused by original strong hydrophobicity is effectively overcome. The oxide layer is stable in property in a high-temperature environment, the applicable temperature range of the material is remarkably widened, erosion of oxygen to a carbon skeleton can be blocked, the structural integrity of the porous graphite is protected, and the service life of the material is prolonged. The high-enthalpy polar phase change material can be efficiently compounded with the hydrophilic modified porous graphite in a solution spontaneous impregnation manner by virtue of good flowability and permeability of an aqueous solution of the high-enthalpy polar phase change material, so that the preparation process is greatly simplified. The finally prepared hydrophilic modified porous graphite-based phase change heat storage material has high thermal conductivity and high heat storage density, shows excellent comprehensive performance, and solves the problem that a polar phase change substance with a high enthalpy value is difficult to be effectively compounded with porous graphite.

Disclosed is a polyurethane containing a structural unit (A) derived from an aromatic compound having an isocyanate group with an average number of functional groups of 2.1 or more and a structural unit (B) derived from a polyalkylene ether glycol. It is possible to provide a polyurethane for a heat storage material having good heat storage properties and heat resistance, excellent moldability, and good shape retainability against heating and cooling, a heat storage material containing the polyurethane, and a heat storage molded body.

The invention provides a dark metal modified lithium orthosilicate-based thermochemical heat storage material as well as a preparation method and application thereof, and belongs to the technical field of energy and material science. The components of the heat storage material comprise lithium orthosilicate and dark metal, the proportion of the dark metal in the heat storage material is 2-10 mol%, and the source of the dark metal comprises one or more of manganese dioxide, ferric oxide, nickel oxide and copper oxide. Metal ions introduced into the obtained dark metal modified lithium orthosilicate-based thermochemical heat storage material have the effects of promoting the ion migration rate and resisting material sintering, and specifically, the heat storage density and the cycling stability of the material are remarkably enhanced. In addition, due to the introduction of the dark metal oxide, the color of the heat storage material is remarkably deepened, the solar spectrum absorptivity is greatly improved, the light absorption performance of the material is greatly enhanced, and the heat storage material has higher photo-thermal conversion efficiency and is more suitable for a concentrating solar energy storage system.

The invention discloses an intelligent uniform heating adjustment method and system for precise temperature control of a phase change heat storage material, and relates to the technical field of intelligent heating adjustment. Temperature distribution and solar radiation intensity of a heat storage unit are collected in real time, the temperature gradient change trend is predicted, and a phase change abnormal unit is identified; the method comprises the steps that phase change abnormal units are obtained, energy distribution weights are optimized according to the heat charging state difference of the phase change abnormal units, an energy distribution weight coefficient is obtained, then the heat medium flow and the heat dissipation strategy are dynamically adjusted according to the energy distribution weight coefficient and a corresponding flow control instruction, and meanwhile the solar radiation intensity change trend and the indoor temperature requirement are combined. According to the invention, the fine regulation and control phase change process of the phase change heat storage material is realized, the precise regulation of the multi-unit temperature gradient and the dynamic optimization of energy distribution are realized, the uniform temperature distribution is ensured, and the heat energy transfer efficiency is optimized, so that the heat energy utilization efficiency and stability of the system are remarkably improved, and efficient and intelligent heat energy management is realized.

The invention provides a high-temperature solid heat storage material based on industrial solid waste, a preparation method of the high-temperature solid heat storage material and a heat storage pile, and belongs to the technical field of energy and new energy storage and energy saving materials. The high-temperature solid heat storage material is prepared by introducing three functional additives with a synergistic effect: a composite alkali-boron activator is used for bonding and forming solid waste raw materials through a geological polymerization reaction at a low temperature, and is converted into a fluxing agent at a high temperature to promote low-temperature densification of the material; a core-shell structure thermal conductivity reinforcing agent with an anti-oxidation glass shell layer constructs an efficient three-dimensional heat conduction network in the material, and the heat conduction rate is increased; meanwhile, the Li-Al-Si vitrified precursor powder is induced to separate out low-thermal-expansion microcrystals in a third temperature stage, and the material is endowed with thermal shock resistance stability through a microstress compensation mechanism; the three additives have a synergistic effect to improve the heat storage performance and mechanical stability of the material.

The invention relates to the technical field of battery heat management, in particular to a low-conductivity electric vehicle battery cooling liquid and a preparation method thereof.The cooling liquid is composed of a composite base solution, a three-stage core-shell structure heat storage functional body, a low-conductivity flame retardant, a precise corrosion inhibition system, a self-repairing agent and a composite additive, the heat storage functional body is prepared through in-situ preparation of the heat storage functional body, ultrasonic high-pressure homogeneous composite dispersion, gradient compounding of auxiliaries and a precise filtering process. The heat storage temperature range is widened through the binary phase change core material, the problems of heat storage material leakage and low heat conduction efficiency are solved through the three-stage core-shell structure, the contradiction between multiple functions and low conductivity is solved through the low-conductivity modification additive, and finally the comprehensive performance of low conductivity, high phase change enthalpy, low metal corrosion rate, wide-temperature-range stable work and long service life is achieved. The cooling liquid is suitable for multiple scenes such as electric vehicles, energy storage power stations and hydrogen fuel cells, the preparation process is controllable, and the cooling liquid is suitable for large-scale production and wide in application prospect.

The invention discloses a method for repairing and regenerating a waste lithium iron phosphate positive electrode material, which comprises the following steps: mixing the waste lithium iron phosphate positive electrode material, a lithium salt and a waste phase change heat storage material, and then heating and preserving heat in a protective atmosphere to obtain a mixed product; mixing the mixed product with water, and then filtering to obtain a solution and filter residues; washing and drying the filter residue to obtain a lithium-supplemented lithium iron phosphate positive electrode material, and calcining the lithium-supplemented lithium iron phosphate positive electrode material in a protective atmosphere to obtain a regenerated lithium iron phosphate positive electrode material; and heating and evaporating the solution to dryness to obtain the regenerated phase change heat storage material. Synergistic regeneration of the lithium iron phosphate positive electrode material and the phase change heat storage material is achieved for the first time, the process is simple, energy consumption is low, pollution is little, the olivine structure and electrochemical performance of the regenerated lithium iron phosphate positive electrode material can be recovered, meanwhile, efficient recovery of the phase change heat storage material is achieved, and remarkable economic and environmental value is achieved.

The invention relates to the technical field of photovoltaic energy utilization, and discloses an intelligent photovoltaic hot water system-oriented temperature control management and energy scheduling system, which comprises a photovoltaic cell panel electric energy collection unit, a heat storage material electric energy storage unit and a self-adaptive temperature control and energy scheduling unit, the photovoltaic cell panel electric energy collection unit is used for collecting solar energy and storing electric energy when illumination is sufficient; the heat storage material electric energy storage unit is used for storing redundant heat in a phase change material through the corrugated plate flat plate solar air collector; the self-adaptive temperature control and energy scheduling unit is used for preferentially utilizing the photovoltaic cell panel electric energy collection unit to heat and store electricity when the illumination is sufficient; when the illumination is insufficient. By introducing the heat demand prediction and decision tree energy scheduling model based on multiple linear regression, the use path of photovoltaic power generation, energy storage and power grid energy supply can be dynamically optimized according to the real-time environmental parameters, the photovoltaic electric energy utilization rate is maximized, and invalid heating and energy waste are reduced.

The disclosure provides a solid waste-based two-stage pore structure and directional mass transfer composite heat storage material and a preparation method, and belongs to the technical field of industrial solid waste resource utilization and energy saving. The preparation method comprises the following steps: mixing steel slag, fly ash and a binder to form a mixed slurry, and forming a first green body with a preset columnar channel through 3D printing; sintering and pore control treatment are performed on the first green body to obtain a second green body with a micro-nano porous structure; an interlaced distribution of macro-micro size prismatic channel is constructed in the second green body to form a third green body; sodium salt and magnesium salt are injected into the third green body by a vacuum impregnation method, and high-concentration brine impregnation is performed in the micro-nano porous structure to form a solid salt, thereby obtaining a fourth green body; through calcination treatment, the solid salt in the micro-nano porous structure is decomposed and migrated into the prismatic channel, thereby obtaining a solid waste-based two-stage pore structure composite heat storage material, and "two-stage pore + directional mass transfer" is first proposed, and the heat storage performance is improved.

The invention discloses a boric acid thermochemical heat storage composite gel material for battery thermal runaway protection and a preparation method of the boric acid thermochemical heat storage composite gel material. The composite gel material is composed of a hydrogel carrier and a boric acid heat storage material, the hydrogel carrier provides rebound resilience and has a large amount of evaporation enthalpy, and the boric acid heat storage material has high thermochemical heat storage density and can effectively absorb heat in the thermal runaway process of the battery and inhibit spreading of thermal runaway. Compared with a pure water gel material, the composite material disclosed by the invention has similar heat storage density and more excellent and efficient heat protection effect, and meanwhile, can keep relatively good rebound resilience so as to adapt to volume change in a normal use process of the battery. The problems that in the prior art, high heat storage density and rebound resilience cannot be considered at the same time, and thermal runaway protection of high-heat-storage water gel fails are solved. The preparation process is simple, and has a wide application prospect in the field of battery thermal runaway protection.

The utility model discloses a carbon black combustion tail gas boiler with an in-boiler heat storage stable combustion device, and belongs to the technical field of tail gas boiler devices. A carbon black tail gas burning boiler with an in-boiler heat storage stable burning device comprises a boiler body and further comprises a burner fixedly connected in the boiler body and used for burning carbon black tail gas fuel. The in-furnace heat storage stable combustion device is fixedly connected into the boiler, and the combustion flame is within the range of the in-furnace heat storage stable combustion device; the hearth heating surface is fixedly connected in the boiler; the utility model is provided with an in-furnace heat storage stable combustion device. The in-furnace heat storage stable combustion device mainly comprises a heat storage material, a refractory material, a heat preservation material and the like, the in-furnace heat storage stable combustion device has a heat storage function in a combustion flame range, the combustion efficiency can be enhanced, meanwhile, a sufficient radiation heating area is provided for the hearth membrane water cooling wall without laying the refractory material, and the heat absorption rate of the boiler hearth is guaranteed.

The present application relates to the technical field of slag resource processing, more particularly, it relates to a slag recycling secondary treatment process. It comprises the following steps: titanium-containing blast furnace slag recycling and processing, titanium-containing blast furnace slag resource processing, composite adsorbent preparation, resource secondary treatment and composite phase change heat storage material preparation. In the present application, through the resource processing of the titanium-containing blast furnace slag, the titanium-silicon composite matrix material and the mixture powder can be separated from the titanium-containing blast furnace slag, and the titanium-silicon composite matrix material and the mixture powder can be used for preparing the composite adsorbent and used as the matrix material of the composite phase change heat storage material respectively, so as to achieve the purpose of efficient resource utilization of the titanium-containing blast furnace slag and play the characteristics of each component in the titanium-containing blast furnace slag.

The present disclosure provides a carbon-based heat storage material and a preparation method thereof, which takes carbon-based raw materials as main components, takes slurry coal direct liquefaction residual as a binder, adds fiber additives, and adjusts the ratio of each component, so that the prepared carbon-based heat storage material can effectively store and transfer heat, has good stability, and can be prepared by only mixing and profiling at normal temperature and medium-temperature calcination, so that the preparation process is simple and the energy consumption is low.

Disclosed in the present application are a quaternary sulfate molten salt heat storage material, a composite heat storage material, and a preparation method therefor and the use thereof. The preparation method for the quaternary sulfate molten salt heat storage material comprises: subjecting first sulfate-type salt lake raw brine to freezing and recrystallization treatments to obtain sodium sulfate decahydrate; subjecting second sulfate-type salt lake raw brine to evaporative crystallization and recrystallization treatments to obtain magnesium sulfate heptahydrate; and mixing the sodium sulfate decahydrate, the magnesium sulfate heptahydrate, potassium sulfate, and calcium sulfate, heating the mixture at a first heating rate to a first dehydration temperature for a first heat treatment, then heating at a second heating rate to a second dehydration temperature for a second heat treatment, and then heating at a third heating rate to a molten blending temperature for a third heat treatment, and thereby obtaining the quaternary sulfate molten salt heat storage material. In the present application, a quaternary sulfate molten salt heat storage material is prepared by a one-step method using dehydration and coupling technology. Moreover, the specific heat of the composite heat storage material is improved by adding nanoparticles to the quaternary sulfate molten salt heat storage material.

The present application relates to a kind of geopolymer straw phase change block and its preparation method and application, including the following weight parts raw materials: straw powder 25%-35% of shaped phase change heat storage material particle, 15%-25% of shaped organic phase change heat storage material of fly ash, 10%-20% of fly ash, 10%-20% of metakaolin, 10%-15% of alkali activator, 0.1-1.0% of coupling agent, 0.9%-2.5% of polymer cementing material, 9%-12% of water.The present application utilizes agricultural waste straw to make suitable phase change wall for sunlight greenhouse, not easy to leak, encapsulation is stable, the present application phase change wall is applied in greenhouse sunlight greenhouse, when the lowest outdoor temperature can reach-33 ℃ below, it can also realize the lowest indoor temperature is located 12.5 above.

The purpose of the present invention is to provide a connector capable of appropriately absorbing heat from a heat source and suppressing a sudden increase in temperature. A connector (1) is characterized by being provided with: a connection terminal (20) that is electrically connected to a counterpart-side terminal; a wiring material terminal (30) which is provided at the end of a conductive wiring material (W) and which is electrically connected to the connection terminal (20); a heat storage material (40) assembled to the wiring material terminal (30); a terminal fastening part (80) that fastens the connection terminal (20) and the wiring material terminal (30) via a first fastening member (B1); and a heat storage material fastening part (90) that fastens the wiring material terminal (30) and the heat storage material (40) via the second fastening member (B2), and the terminal fastening part (80) and the heat storage material fastening part (90) are provided at mutually different positions on the wiring material terminal (30).

The invention relates to the technical field of coupling of heat storage devices and thermal power generating units, and discloses a graphite-based ultrahigh-temperature cascade heat storage coupling system and a working method thereof.The coupling system comprises a water supply unit, a solid heat storage unit, a steam pocket, a modular phase change heat storage device, a steam turbine system and a power generator; the water supply unit, the solid heat storage unit, the steam pocket, the modularized phase change heat storage device and the steam turbine system are sequentially communicated through a circulating pipeline, a heat exchange medium passing through a water supply pump flows into the solid heat storage unit, and a high-parameter medium with the temperature of 560 DEG C or above flows out of a medium outlet of the modularized phase change heat storage device. By means of the modularized heat storage device structure for direct contact heat exchange, heat storage materials and heat exchange pipes of all the modules are arranged in a layered mode, flow control is conducted in a layered mode, and stable control over the gas production temperature of the device is achieved.

A vapor compression system includes a compressor, a condenser, an expansion device, and an evaporator fluidly connected to form a closed fluid loop having a working fluid circulating therethrough. A thermal storage device includes a storage material and the thermal storage device is thermally coupled to the closed fluid loop downstream from the expansion device relative to a flow of the working fluid. The vapor compression system is controllable such that the thermal storage device is operable to both store heat and release heat as the working fluid circulates through the closed fluid loop in a given direction.

The application discloses a kind of high stability latent heat transport phase change emulsion, belongs to phase change material technical field, including the following mass percentage raw materials: phase change heat storage material 30-45%, surfactant 5-10%, crystal nucleus agent 1-8%, antifreeze 5-12% and water 40-50%;Wherein, the HLB value of the surfactant is 10-14;Meanwhile, a kind of nanoparticle phase change fluid is proposed, including the following mass percentage raw materials: phase change emulsion 100%, nanometer material 0.1-0.5% and dispersing agent 0.1-0.5%.The phase change emulsion prepared by the formulation of the application has high stability, and by adding nanoparticles to the phase change emulsion, stirring uniformly, and then adding a dispersing agent, a nanoparticle phase change fluid with high stability, high thermal conductivity, low nucleation supercooling, high energy storage density, relatively lower viscosity, drag reduction characteristics, less prone to block the pipeline, and reduced pump consumption can be obtained.

The solid heat storage equipment with the high heat storage temperature comprises a heat storage body and a heat preservation mechanism, the heat storage body comprises heat storage bricks and an electric heating wire assembly, the electric heating wire assembly comprises a connecting plate and a spiral electric heating wire connected to the connecting plate, and the heat preservation mechanism comprises a side wall, a top wall and a concrete foundation. The side walls and the top wall each comprise an outer heat preservation layer, an inner heat preservation layer and a phase change heat storage module located between the outer heat preservation layer and the inner heat preservation layer. The phase change heat storage module comprises a phase change heat storage module shell, a heat preservation layer heat exchange pipe is installed in the phase change heat storage module shell, and the phase change heat storage module shell is filled with a phase change heat storage material. The inner heat preservation layer is an aluminum silicate fiber module. And a foundation layer heat exchange pipe is pre-buried in the concrete foundation. By improving the heating wire material, the heat preservation measure, the heat accumulator structure and the like, the problems that the heating wire is poor in temperature resistance and short in service life in the high-temperature environment, the external heat preservation measure is difficult to meet the requirement, and the heat accumulator is prone to deformation are solved.

The invention discloses a multi-layer structure phase change material for solar heat storage and application thereof, and belongs to a phase change heat storage material, the phase change material comprises a high temperature layer, a first medium temperature layer, a second medium temperature layer and a low temperature layer; the phase-change material comprises a high-temperature layer, a first medium-temperature layer, a second medium-temperature layer and a low-temperature layer from bottom to top. The four layers of self-developed phase change materials are stacked to form high-temperature, medium-high-temperature, medium-low-temperature and low-temperature gradient arrangement, so that step-by-step heat storage in multiple temperature intervals is achieved, the problem that a traditional single phase change material is poor in adaptability in a wide temperature range is solved, and under the action of the heat conduction layer, the uniformity of heat flow can be improved, and the service life of the phase change material is prolonged. Therefore, the problem that the heat transfer efficiency of the middle layer is low is solved, and the phase change material can adapt to heat storage systems of different scales in combination with a modularized heat preservation layer structure.

The invention relates to the technical field of air conditioner control, in particular to a multi-parameter-based mobile air conditioner control system which is provided with an air conditioner end, a capturing module, an information processing module, an intelligent analysis module and a control module, and a space surface model is divided into a plurality of monitoring areas through an area dividing unit; a temperature change curve of the surface temperature values of the photon-accepting area and the non-photon-accepting area along with time is drawn through the generation unit, and the heat storage state characterization coefficient of each monitoring area is determined through the intelligent analysis module so as to determine whether a heat storage characteristic area exists or not. And the operation control mode of the air conditioner end is determined through the control module according to the number of the heat storage characteristic areas. And therefore, the actual heat dissipation requirements of different areas are quantified, fine air conditioner regulation and control based on multi-dimensional environment information are achieved, and the problem that the air conditioner control accuracy is poor due to continuous heat release of the heat storage material is solved.

A regenerator for a cryocooler includes a cell, a flow passage, a capillary and supporting elements. A cell wall encloses a cavity with sub-cavities. A connecting passage connects a first sub-cavity to a second sub-cavity. A first cell partition is disposed between the first and second sub-cavities. The flow passage is also disposed between the first and second sub-cavities. During operation of the regenerator, helium in the cavity functions as a heat-storing material, while helium that flows through the flow passage functions as a working gas. The capillary forms a pressure-equalizing opening in the cell wall and connects the helium that functions as the heat-storing material inside the cavity to the helium that functions as the working gas outside the cavity. The supporting elements are inside the first sub-cavity and separate the first cell partition from a second cell partition. The first and second cell partitions enclose the first sub-cavity.

Provided is an air conditioner capable of suppressing a temperature drop in a room during a defrosting operation. An air conditioner according to one embodiment has an indoor heat exchanger, an outdoor heat exchanger, a first pipe, a second pipe, a compressor, a pressure reducer, a bypass pipe, a valve, and a first heat storage material. The compressor is provided in the first pipe and has a suction port and a discharge port. The pressure reducer is provided in the second pipe. The bypass pipe has a first end portion connected to the first pipe between the indoor heat exchanger and the discharge port, and a second end portion connected to the second pipe between the outdoor heat exchanger and the pressure reducer. The valve is provided in the bypass pipe and capable of cutting off the flow of refrigerant. The first heat storage material is thermally connected to the first pipe between the outdoor heat exchanger and the suction port, and thermally connected to the bypass pipe between the first end portion and the valve.

This invention discloses a regenerative tar internal pyrolysis gasification furnace device, comprising a hydraulic piston feeding system, a pyrolysis gasification furnace, a heat conduction system, a heat storage system, a heat exchange system, and a gas-phase catalytic system connected to the heat exchange system. The pyrolysis gasification furnace includes a furnace body and a slag discharge system. The furnace body includes a hopper, a pyrolysis gasification chamber, and a jacketed cavity. The hydraulic piston feeding system is connected to the hopper, which is connected to the pyrolysis gasification chamber. The slag discharge system is located at the bottom of the furnace body. The heat conduction system and the gas-phase catalytic system are located outside the pyrolysis gasification chamber. The heat storage system includes a heat storage material layer placed within the jacketed cavity. The inlet of the gas-phase catalytic system is connected to the upper part of the pyrolysis gasification chamber, and its outlet extends outside the furnace. The heat conduction system is connected to the heat storage material layer. This device can reduce heat waste, improve the temperature field distribution inside the furnace, increase the overall energy utilization rate, remove tar content from combustible gas, and improve gasification efficiency and calorific value of the gas.