58results about How to "High heat storage temperature" patented technology

The invention provides a multi-mode tower-type solar thermal power generating device. A special ceramic solar energy receiver is adopted, quicksand is used for replacing heat transferring and storing media such as heat-conducting oil and fused salt, and supercritical carbon diode Bretton thermal power generation can be achieved by means of sensible heat and high-temperature radiation carried by the quicksand. On the basis of innovating the fused salt heat storing technology, the power generating device complements the technologies of organic Rinkine thermal power generation, lithium bromide air-conditioning, biomass energy and the like, and a bold attempt is made in the aspects of reducing the cooling water and the cost, prolonging power generation hours and expanding the use range, the technological base is laid for replacing fossil energy power generation finally. The device belongs to the technical field of solar thermal power generation.

The invention discloses an integrated tower solar thermal power generation unit employing quicksand to store and transfer heat, and a tower solar thermal power generation unit built by 'quicksand' instead of conduction oil, fused salt or gas and the like to transfer and store heat. The device adopts fluid characteristics of the 'quicksand', and has the characteristics of thermostability, zero pressure, small thermal resistance and low cost of the 'quicksand'; and superheated steam is generated by sensibile heat and high-temperature air carried by the quicksand when flowing through a vapor generator to push a steam turbine generator to generate electricity, therefore, the construction cost of a tower solar thermal power generation unit is reduced by integral design, and a technological base is established for final implementation of parity power generation. The device belongs to the technical field of solar thermal electric power generation.

The invention discloses a molten salt heat storage device. The molten salt heat storage device comprises a molten salt heat storage furnace, an oil storage tank, a plate heat exchanger and a heat-insulation water storage tank. The molten salt heat storage furnace comprises a furnace body and vertical pipes which are evenly arranged in the furnace body in a regular triangle or regular hexagon mode and used for packaging molten salt. Electric heating belts are wound on the outer walls of the vertical pipes. The furnace body is filled with conduction oil serving as heat exchange fluid. The oil storage tank is communicated with the molten salt heat storage furnace and used for storing the conduction oil. The molten salt heat storage furnace is communicated with the plate heat exchanger, and the plate heat exchanger is communicated with the heat-insulation water storage tank. According to the molten salt heat storage device, the molten salt is used as heat storage media, flowing is not needed, a molten salt pump is omitted, the structure is simple, and corrosion is smaller; the traditional high-temperature conduction oil is used for heat exchange; the cost is lower, and operation is easier; the vertical pipes used for packaging the molten salt are arranged in a special mode, so that heating is uniform, the efficiency is higher, the structure is reasonable, the efficiency is high, energy is saved, environmental friendliness and stability are achieved, and safety and reliability are achieved.

A multi-mode tower-type solar thermal power generation device is characterized in that on the basis of a traditional drift sand or solid particle tower-type solar thermal power generation technology, innovative ceramic bricks are adopted to build a solar energy receiving wall, drift sand formed by mixing solid particles and powder is used as a heat transfer and heat storage medium, a closed-type Bretton thermal cycle power generation device continues to be applied, additionally an open type Bretton thermal cycle power generation device or a solid oxide fuel cell is used to realize complementation, renewable energy sources such as biomass fuels are utilized as far as possible, and the multi-mode tower-type solar thermal power generation device makes large technological breakthroughs in reducing the cost, increasing power generation hours and extending the application range. The multi-mode tower-type solar thermal power generation device belongs to the technical field of solar thermal power generation.

The invention discloses a valley energy solid heat accumulation and heating device which comprises a high-temperature solid heat accumulation pile, an oil pump system, a heat exchange system and a control cabinet. The high-temperature solid heat accumulation pile is connected with the heat exchange system through the oil pump system. The heat exchange system comprises a high-low temperature heat exchanger, a medium pump system, a low-temperature heat exchanger, a water circulation system and the like, wherein the high-low temperature heat exchanger is connected with the low-temperature heat exchanger through the medium pump system, and the low-temperature heat exchanger is connected with the water circulation system. The control cabinet is connected with monitoring input signals and running output signals in the high-temperature solid heat accumulation pile, the oil pump system and the heat exchange system through cables and lead wires. The valley energy solid heat accumulation and heating device is reasonable in structure, efficient, energy-saving, environment-friendly, stable, safe and reliable and is easy to operate, high in heat accumulation temperature and stable in heat exchange process. In addition, the storage capacity of the whole device is strong, release output is continuous, the duration can be ensured, and the purposes of zero pollution, zero discharge and centralized control are achieved.

The invention provides a high-temperature duplex regeneration adiabatic compression air energy storage system. The system comprises a high-temperature compression unit, an air storage chamber, a turbine generator set, a high-temperature cooler, a high-temperature heat storer, a high-temperature regenerator, a high-temperature cold storer, a medium-temperature cooler, a medium-temperature heat storer, a medium-temperature regenerator and a medium-temperature cold storer; a heat exchange pipe of the high-temperature cooler, the high-temperature heat storer, a regeneration pipe of the high-temperature regenerator and the high-temperature cold storer are circularly connected; the heat exchange pipe of the medium-temperature cooler, the medium-temperature heat storer, a regeneration pipe of themedium-temperature regenerator and the medium-temperature cold storer are circularly connected; and the high-temperature compression unit, an intake pipe of the high-temperature cooler, an intake pipe of the medium-temperature cooler, the air storage chamber, an intake pipe of the medium-temperature regenerator, an intake pipe of the high-temperature regenerator and the turbine generator set areconnected in sequence. The gradient recovery and the duplex regeneration are performed on compression set by using high-temperature regeneration circulation and medium-temperature regeneration circulation, so that the heat storage temperature and the regeneration efficiency are improved; the heat storage temperature difference and the cost relative to single heat storage medium are reduced; and the temperature control is stable.

A light condensation solar water heater device based on phase-change heat accumulation comprises a cylindrical lens light condenser, a vacuum heat collecting pipe, a phase-change medium, two aluminum slot walls, a water heat substrate, a heat exchanging pipe, an aluminum alloy outer frame, reinforcing ribs, a small platform, a cold water main pipe, and a hot water main pipe. The cylindrical lens light condenser covers the uppermost of the vacuum heat collecting pipe. The light rays entering the cylindrical lens light condenser are condensed to form a light focal strip. The lower portion of the cylindrical lens light condenser is connected with the aluminum slot walls of the water heater substrate. The two aluminum slot walls form two plane mirrors in angled opposition. Parts of the light rays refracted by the light condenser is condensed to the vacuum heat collecting pipe, and the other parts, do not project to the vacuum heat collecting pipe, of the light rays are reflected by the two aluminum slot wall plane mirrors and projected to the vacuum heat collecting pipe. The phase-change medium and the U-shaped heat exchanging pipe are disposed inside the vacuum heat collecting pipe. The vacuum heat collecting pipe is fixedly clamped into a clamp groove formed in the water heat substrate.

The invention provides a cryogenic liquefied air energy storage system capable of improving efficiency through a circulating compressor. The system is arranged in the designable range of the circulating compressor, and the outlet pressure of the circulating compressor is increased to the greatest extent. Due to the fact that the outlet pressure of the circulating compressor is increased, the heat storage temperature can be increased, the refrigerating capacity, of unit mass, of a refrigeration expander is improved, the air outlet work, of unit mass, of a liquid expander is improved, and accordingly the system efficiency is improved.

The invention discloses a road level which includes split gravity geothermal pipes imbedded in the ground layer beneath the earth surface of the road or the greensward, the number of the split gravity geothermal pipes is 1-3/s.q.m, the top of the split gravity geothermal pipe is 30-50 mm from the road surface. The apparatus by the invention can lead the heat energy located deep in the ground layer rapidly to the road surface at winter.The advantages of the invention are safety, highly performance, energy conservation and pollution-free.

The invention provides a simplified electric heating solid heat storage and thermal conversion device and relates to the field of electric heating. The simplified electric heating solid heat storage and thermal conversion device comprises a high-pressure electric thermal insulation heating furnace, a high-temperature circulating fan and a heat exchanger; the high-pressure electric thermal insulation heating furnace comprises a heating furnace and a maintaining furnace; the heating furnace comprises a heating furnace body; three passages are arranged in the heating furnace body; a plurality of electric heating modules are arranged in each passage, are sequentially connected in series, and are detachably connected with the passage walls; openings are formed in two ends of the heating furnace body; one end of the heating furnace body communicates with the air outlet of the high-temperature circulating fan through an air passage, and the other end of the heating furnace body communicates with the maintaining furnace and the air inlet of the heat exchanger; the maintaining furnace comprises a maintaining furnace body; openings are formed in two ends of the maintaining furnace body; the other end of the maintaining furnace body communicates with the air inlet of the heat exchanger through a gate; the air outlet of the heat exchanger communicates with the air inlet of the high-temperature circulating fan through the air passage; and a plurality of heat storage blocks are arranged in the maintaining furnace body. The simplified electric heating solid heat storage and thermal conversion device solves the technical problem in the prior art that the hot water heating device is higher in cost.

The invention discloses an electrothermal mobile phase change heat storage system and a control method thereof. The electrothermal mobile phase change heat storage system comprises an air channel, a charging interface and a circulating fan, wherein a heat storage module and a plurality of air valves are arranged in the air channel, and the head and tail of the air channel are connected by the circulating fan; the charging interface connecting a charging pile, and a heat exchanger are arranged in the air channel, and the heat exchanger is connected to a water supply system of a heat user through a circulating water pump. According to the system and method, the charging pile is used to charge the mobile heat storage system with heat, so as to provide heating service for the heat user, whichis more convenient and flexible, and meanwhile, emergency heating service can be provided for the heat user.

The glass kiln with emulsified coke slurry burner includes one kiln body and one emulsified coke slurry burner. The kiln body includes one hearth, one flame inlet and one fume outlet. The emulsified coke slurry burner includes one casing forming one inside cylindrical burning space, at least one emulsified coke slurry burning unit, at least one oil/gas burner, one outlet communicated via hot blast pipe to the flame inlet of the hearth. The glass kiln includes also two or more switchable heat accumulating chambers connected via pipeline with the fume outlet of the kiln body. The present invention has double heat accumulation with lattice brick and ceramic ball reaching a heat accumulating temperature as high as 1200 deg.c to make up the low heat value emulsified coke slurry.

The invention relates to a heat storage defrosting system for a cold storage air cooler. The heat storage defrosting system comprises a refrigerating device, a heat storage device and a heat release device, wherein the refrigerating device comprises a compressor, a heat storage heat exchanger, a condenser, a throttling device and an evaporator which are sequentially arranged; the evaporator is connected into the compressor, and a refrigerating circulation loop is formed; the heat storage device comprises a heat storage tank, a heat storage pump, a heat storage heat exchanger and a heat storagevalve which are sequentially arranged; the heat storage valve is connected into the heat storage tank, and a heat storage circulation loop is formed; the heat release device comprises a heat storagetank, a heat release pump, a heat release heat exchanger and a heat release valve which are sequentially arranged; the heat release valve is connected into the heat storage tank, and a heat release circulation loop is formed; the refrigerating device and the heat storage device conduct heat exchange in the heat storage heat exchanger; and the refrigerating device and the heat release device conduct heat exchange through the evaporator and the heat release heat exchanger. The invention further relates to a cold storage. According to the heat storage defrosting system and the cold storage, energy consumption can be reduced, operation is more stable, temperature fluctuation in the cold storage is reduced, and the heat storage defrosting system and the cold storage belong to the technical field of refrigerating and quick freezing.

The invention discloses a device for transferring heat in a solid energy storage body by means of high-temperature steam, water in a pure water tank is poured into the interior of a heating pipe in a high-temperature steam generator, heat exchange is conducted in a high-temperature state, the liquid water is changed into the high-temperature steam through the heat exchange, the high-temperature steam enters a high-temperature chamber and then enters a saturated steam generator, and the high-temperature steam and the liquid water in the saturated steam generator are fully mixed, and the liquid water is heated to a needed temperature. When the temperature is higher than 100 DEG C, saturated steam with different pressure is generated. According to the device for transferring the heat in the solid energy storage body by means of the high-temperature steam, the characteristics of large latency for vapouring water and good steam flowability are fully utilized, even though vaporization is conducted on the water inside a heat storage body, internal heat of the heat storage body is changed into the latent heat of the steam, the steam is led out, and hot water is added. Accordingly, the problem that the heat transfer speed is slow is solved, the heat storage temperature of the heat storage body can be greatly improved to about 1000 DEG C, and the unit volume heat storage capacity is increased.

The invention discloses an oxygen-enriched combustion method for an iron and steel system. The method is applied to a blast furnace hot blast stove system and is based on an oxygen-enriched combustion system to control a blast furnace hot blast stove to realize oxygen-enriched combustion, wherein the oxygen-enriched combustion system particularly comprises an oxygen tank, a preheating furnace, the hot blast stove, a blast furnace, a coal gas heat exchanger, a blower, a three-way valve and a reversing valve. Compared with the prior art, on one hand, the oxygen-enriched combustion in the hot blast stove is realized, the heat loss generated when the hot blast stove exhausts smoke is reduced, and the heat efficiency of the hot blast stove is improved; and on the other hand, after oxygen-enriched cold air passes through lattice bricks, the air temperature is increased, so that the high air temperature is realized through the low-heat-value coal gas, therefore the combustion efficiency of the blast furnace is improved, and the technical problem that the oxygen-enriched combustion cannot be realized in the prior art is solved.

The invention provides high-tension-electricity heat preservation heating furnaces and relates to the field of heating furnaces. The high-tension-electricity heat preservation heating furnaces comprises a heating furnace and a heat preservation furnace; the heating furnace comprises a heating furnace body and is internally provided with three channels which are arranged side by side; each channel is internally provided with a plurality of electric heating modules, and the multiple electric heating modules are connected in series in sequence and detachably connected with channel walls; the multiple electric heating modules in the three channels are connected with one of three phases of electricity through wires respectively after being connected in series; the two ends of the heating furnace body are provided with openings, and one end of the heating furnace body is used for enabling the three channels to be communicated with an external air duct; the side wall of the heating furnace body is provided with a furnace door, the multiple electric heating modules in each channel can be drawn out of the furnace door; the heat preservation furnace comprises a heat preservation furnace body, the two ends of the heat preservation furnace body are open, one end of the heat preservation furnace body is communicated with the other end of the heating furnace body, and the other end of the heat preservation furnace body is provided with a gate; the heat preservation furnace body is internally provided with a plurality of heat storage blocks. The technical problem that in the prior art energy is wasted is solved.

The invention discloses a steel/iron energy storage method. Electric energy is used for heating a heat storage material arranged in a heat storage body; the electric energy is converted to heat energy with a temperature of 600-1200 DEG C to store in the heat storage body; an insulation material is used for insulating the heat storage material in the heat storage body; in the insulation period, the heat energy stored in the heat storage body is stably and controllably output and used; and the heat storage material is steel/iron.

The invention discloses a cylindrical shell section regenerative electric heat storage device and a heating method. The cylindrical shell section regenerative electric heat storage device comprises a hot air duct and a hot air blower arranged on the hot air duct, wherein the output end of the hot air duct is connected with the input ends of one or more air ducts; the air ducts are arranged at the centers of one or more heat storage cylinders; air duct holes are formed in the outer walls of the air ducts inside the heat storage cylinders; and the air ducts and the heat storage cylinders communicate with the hot air duct. According to the cylindrical shell section regenerative electric heat storage device and the heating method disclosed by the invention, a heating pipe and heat storage solid particles are arranged; during the valley time period, the heat storage solid particles are heated by the heating pipe, and electric energy is converted into heat energy for storage; and when needing to use, the heat energy stored by the heat storage solid particles is exported through the space where air flows through the heat storage solid particles, a water source in convection pipes is heated, the heat energy of the hot air is transferred to the water source in the convection pipes, and then the heated water source is outputted, thereby achieving the advantage that electric heat storage can be performed during the valley time period, and the stored heat energy can be exported for utilization during other time periods.