40results about How to "Large heat storage capacity" patented technology

The invention relates to a high-capacity combination type solar thermochemistry cascaded heat storage device and solar energy application. The high-capacity combination type solar thermochemistry cascaded heat storage device comprises a solar heat collector, a solid-gas chemical reactor, a refrigerant liquid storage device and a cooling towel. Three heat storage slat absorbing agents are filled inside the solid-gas chemical reactor. Under the same working pressure, desorption equilibrium temperatures of the three heat storage salt absorbing agents decrease gradually in the flowing direction of heat exchanging fluid and the three heat storage salt absorbing agents are distributed in a cascaded mode. Thermochemistry absorption heat storage is utilized, and multiple reaction salts of different temperature zones are adopted so that the defect that in an existing solar energy thermochemistry heat storage device, reactants cannot conduct thermal decomposition reaction at a certain moment due to the fact that the temperature of collected solar heat energy is low is overcome. Therefore, a novel solar energy thermochemistry cascaded heat storage technology can reduce the influences of solar energy time volatility and can be better matched with solar heat energy, and high-efficiency heat storage of the solar heat energy can be realized through the cascaded combination of the heat storage reaction slats of different temperature zones.

The invention relates to a device and a method for continuously preparing bulk amorphous alloy ingots, which are characterized in that the preparation device comprises two vacuum chambers which are mutually independent. A main vacuum chamber is used for alloy melting and forming, and an auxiliary chamber is used for balancing pressure to facilitate throwing and secondary cooling. The primary cooling section of the preparation device and the method adopts a graphite pipe to be cast with a water cooling copper model embedding nest and is a main cooling part. The secondary cooling section adopts water cooling or natural cooling modes protected by inert gas and is an auxiliary cooling part. The device and the method have the advantages of having large cooling speed, meeting requirements of the bulk amorphous alloy ingots for formation, being simple in structure and capable of conveniently achieving metal continuous formation control and operation under vacuum inert gas atmosphere, and being strong in adaptability and capable of achieving continuous formation of ingots with various section shapes due to the fact that nesting cast with different inner cavity shapes and sizes, thereby being mainly suitable for continuous manufacture fields of the bulk amorphous alloy ingots.

The invention relates to high-temperature heat storage device utilizing concrete and its heat storing method. Its heat exchange pipeline is buried in concrete heat storage block, heat exchange fin is at external wall of the pipe, a valve is mounted at cold fluid inlet, cold fluid outlet is at the other end of cold fluid tank; a valve is mounted at heat fluid inlet, heat fluid outlet is at the other end of heat fluid tank. Heat exchange is carried out utilizing the difference of temperature between the concrete heat storage block and the heat exchange pipeline.

The invention belongs to the technical field of energy storage, and in particular discloses a photothermal conversion type organic/inorganic composite phase-change energy storage material and a preparation method thereof. Polyethylene glycol (PEG) is taken as an organic phase-change component, and dye modified silicon dioxide is taken as an inorganic support material. The structural formula of the support material is as shown in formula (1) in the specification. In the formula, n is greater than or equal to 2 and less than or equal to 5; n is an integer; A is a linking group; D is a dye color base. According to the material, dye is combined to a silicon dioxide support material in a chemical band mode, visible light can be absorbed by dye, converted into heat and stored in the phase-change material PEG, and conversion and storage integration of solar energy is achieved. In addition, by adopting the modified support material, the covering amount for PEG can be effectively improved, and the heat storage density can be increased. The material can be applied to conversion and storage of solar energy, and is simple in synthesis process, convenient to use and wide in application prospect.

The invention discloses a solar photo-thermal power generation system and an energy storage method. Liquid metal battery bodies are combined and stringed and then are placed in a heat storage working medium storage tank body of a heat storage system, the high-temperature liquid metal battery bodies capable of sensing head and storing heat are used as heat storage working media and are placed in a high-temperature storage tank, a grid connection current transformer and a heat exchange device are added on liquid metal batteries, the liquid metal battery bodies and a traditional heat storage system jointly form the power generation system capable of storing the electric energy and the heat energy at the same time, battery independent mounting cost and the heat storage working medium cost are saved, and more heat storage volume can be added. The heat storage system can provide the necessary high-temperature working environment for the liquid metal batteries, when the supply of the electric energy of a power grid is greater than the demand, the liquid metal batteries are charged, the liquid metal batteries can be used as heating elements for converting redundant electric energy of the power grid into heat energy to be stored, and the imbalance between supply and demand of the power grid is adjusted. According to the solar photo-thermal power generation system and the energy storage method, the heat energy and the electric energy are stored at the same time, the operation mode flexibility of the power generation system is greatly improved, more operating modes are created, and the power grid and power supply demands are met.

An energy storable air conditioning device includes a main body, at least one air blower module and at least one energy storage module. The main body has an air inlet, an air outlet and several receiving spaces connected to each other and disposed between the air inlet and the air outlet. The air blower module includes a first drawer inserted into one of the receiving spaces and a fan disposed in the first drawer. The energy storage module includes a second drawer inserted into another one of the receiving spaces and an energy storage unit disposed in the second drawer. The first drawer is connected to the second drawer.

The invention discloses a composite phase-change heat storage material with an ultrathin graphite sheet as a shaping substrate and a preparation method. The composite phase-change heat storage material is prepared from 30-75wt% of a phase change material and 25-70wt% of an ultrathin graphite substrate material through compounding, and belongs to the technical field of heat storage material preparation. By adopting crystalline flake graphite as a raw material, an ultrasonic grinding method and a fluid shearing auxiliary super critical CO2 peeling method are adopted to peel off the ultrathin graphite sheet, the ultrathin graphite sheet is adopted as the shaping substrate for loading a stearic acid phase change material, and thus the heat storage material is prepared. An ultrathin graphite sheet support substrate of the material is green and efficient in peeling process, and the composite phase-change heat storage material is excellent in heat conductivity and large in heat storage capacity and has great application potential in the field of heat storage.

There is provided a magnetic field generator 10 which is capable of generating a uniform magnetic field of a desired intensity easily and stably without increasing running cost. The magnetic field generator 10 includes a pair of plate yokes 12a, 12b. The plate yokes 12a, 12b have opposed surfaces provided with magnetic pole 14a, 14b respectively. The magnetic pole 14a includes a permanent magnet group 16a whereas the magnetic pole 14b includes a permanent magnet group 16b. Each of the permanent magnet groups 16a, 16b is formed substantially in a disc like shape, as an integral body made of a plurality of permanent magnets 20 and a plurality of heat conducting members 22. Tubular heaters 34, buried in the plate yokes 12a, 12b, generate heat, which is conducted via the plate yokes 12a, 12b to each permanent magnet 20 and each heat conducting member 22 which constitute the permanent magnet groups 16a, 16b.

The invention discloses a layered energy storage system capable of supplying steam at a constant temperature for molten salt. A plurality of partition plates are arranged in a heat storage tank from top to bottom, wherein each partition plate is provided with an overflow hole; a heater comprises a plurality of heat exchange tubes which are sequentially communicated; each heat exchange tube is located between the adjacent partition plates at the bottom layer of the heat storage tank; an outlet of a water inlet pipeline is divided into two paths, wherein one path is communicated with an inlet ofthe heater and the other path is communicated with a water inlet of a spray type desuperheater through a desuperheating water pipeline; a first adjusting valve is arranged on the desuperheating waterpipeline; and an outlet of the heater is communicated with a steam pipeline through the spray type desuperheater; the bottom outlet of the heat storage tank is communicated with an inlet of an electric heating furnace through a circulating pump; and an outlet of the electric heating furnace is communicated with the top inlet of the heat storage tank. The system has the characteristics of high heat storage capacity and wide molten salt operating temperature range, and can meet the requirement of the steam outlet temperature.

The invention discloses a single-tank fused salt energy storage heating system and method. The single-tank fused salt energy storage heating system comprises a storage tank module, a heat storage andrelease module and which comprises a fused salt storage tank and a heat preservation base module; the storage tank module comprises a fused salt storage tank and a fused salt circulating pump capableof pumping fused salt from the fused salt storage tank; the heat storage and release module comprises a heat storage loop and a heat release heating loop which are used for respectively carrying out heat storage treatment and heat release heating treatment on the fused salt pumped from the fused salt storage tank and returning the treated fused salt to the fused salt storage tank, a first heat exchanger capable of realizing fused salt heat storage is arranged in the heat storage loop, and a second heat exchanger capable of realizing fused salt heat release and heating is arranged in the heat release loop; and the heat preservation base module is arranged at the bottom of the storage tank module and comprises a heat preservation base layer capable of assisting in heat storage and release. The method adopts the single-tank fused salt energy storage heating system for energy storage heating. Energy storage of the heat preservation basic module and energy storage of the fused salt are combined, energy is reasonably utilized while system safety is guaranteed, the heat storage capacity of the system is increased, the use amount of the fused salt is effectively reduced, and the initial investment of the energy storage system is reduced.

The invention relates to the technical field of diesel generators, particularly to a comprehensive energy utilizing device for a diesel generator. The comprehensive energy utilizing device for the diesel generator comprises an air cylinder body and an exhaust pipe, wherein the exhaust pipe is connected with the air cylinder body, a spiral heat exchanging pipe is arranged in the exhaust pipe, and the outer part of the spiral heat exchanging pipe penetrates through a superheated vapor generator; a liquid-tin injection opening and a liquid-tin recycle opening are formed in the spiral heat exchanging pipe. During the operation of the diesel generator, liquid tin circulates in the spiral heat exchanging pipe so as to convert the energy of waste gas into a heat source of the superheated vapor generator; the liquid tin as a heat exchanging medium is large in heat storage energy, and the spiral heat exchanging pipe bears less pressure, so that the recovery utilization rate of energy is greatly increased; superheated vapor generated by the superheated vapor generator can be directly used for steaming, boiling and heating objects, besides, the superheated vapor generator can be connected with a turbo generator set, so that a mini turbo generator is attached to the diesel generator, and the comprehensive utilization efficiency of the energy is greatly improved.

Tweezers, in particular for handling histological preparations, preferably thin tissue specimens, with two limbs connected elastically at one end, and with tips formed at the other, free end of the limbs and together forming an engagement area, wherein a central area serves for holding and actuating the limbs in order to bring the tips into contact with each other, are characterized in that the tips and/or the connection area of the limbs are designed as a housing with a storage medium for storing energy, and in that the storage medium directly or indirectly heats the engagement area or the tips to a predefined temperature.

The invention relates to a flue gas purification system for a roasting furnace of a prebaked anode used for aluminum electrolysis. The system mainly includes, in a successively connected manner in series, an SNCR denitration and dust and tar removal apparatus, a sphere heat accumulation oxidizing furnace, an S-shaped flue desulfuration reactor, and a bag-type dust remover. Flue gas is driven by adraught fan and is fed into the SNCR denitration and dust and tar removal apparatus, then successively passes through the sphere heat accumulation oxidizing furnace, the S-shaped flue desulfuration reactor and the bag-type dust remover, and finally is exhausted via a chimney when the flue gas reaches treatment standard.

The invention provides a heat capacity increasing device of a heat storage tank. The heat capacity increasing device comprises a shell and phase change heat storage material in the shell. The device has the same density as water which temperature is the same as the phase change heat storage material in the device. When the density of the phase change heat storage material is lower than the density of the water, the interior of the shell is provided with an assistant heat transmission structure which density is greater than the density of the water; when the density of the phase change heat storage material is greater than the density of the water, gas is sealed inside the shell. According to the device, the stratifying and supercooling of crystalline salt hydrate phase change material can be avoided. The heat transmission property of the device is equal or greater than the heat transmission of the water, so that a heat transmission mechanism does not need to be added in the tank for the phase change material. Furthermore, according to requirement, the device can increase the same volume of the heat storage capacity of the heat storage tank to achieve the effect of increasing the heat storage capacity.

Provided is a thermal energy storage including a housing having a fluid inlet and a fluid outlet, and a thermal energy storage structure arranged within the housing between the fluid inlet and the fluid outlet, the thermal energy storage structure including thermal energy storage elements and flexible separator elements, the flexible separator elements being arranged such that the thermal energy storage elements are separated into layers, each layer forming a channel between the fluid inlet and the fluid outlet. Furthermore, a method of manufacturing a thermal energy storage and a power plant for producing electrical energy is provided.

The invention discloses a phase-change high-capacity storage and exchange device, and belongs to the field of solar heat utilization or energy storage power stations. The phase-change high-capacity storage and exchange device is a heat storage and heat exchange all-in-one device, and is characterized in that a phase-change heat-storage work medium is filled in a heat insulation cavity, a heat exchanger filled with a working work medium is embedded in the phase-change heat-storage work medium, and heat conduction devices filled with a heat conduction work medium and made of capillary tube groups or coil tubes are distributed in the phase-change work medium; and when solar energy or redundant electricity is used for heating the heat conduction work medium to transfer heat to the phase-change work medium to melt the phase-change work medium, and the heat is stored in the phase-change work medium in a latent heat mode so as to be supplied to the working work medium for use without sun light or without electricity. The phase-change high-capacity storage and exchange device has the advantages of great heat storage capacity, small volume, little material consumption, low cost and the like.