167 results about "Radiant cooling" patented technology

High Performance cooling systems for cooling a heat source is disclosed. The cooling systems can be air cooling system, liquid cooling system, or space radiation cooling system. Air cooling system includes at least high performance cold plate or cold plates, plenum, liquid pump, and liquid to air heat exchanger. Liquid cooling system includes at least high performance cold plate or cold plates, plenum, liquid pump, and liquid to liquid heat exchanger. Space radiation cooling system includes at least high performance cold plate or cold plates, plenum, liquid pump, and space radiator. Several coolant fluids are available and can be used as a primary system coolant depending on the application.

The invention discloses a novel supercritical carbon dioxide coal-fired boiler. The novel supercritical carbon dioxide coal-fired boiler comprises a horizontally arranged hearth, a wall-attached radiation cooling heating surface system, a superheater and reheater system, smoke gas coolers and air preheaters, wherein the wall-attached radiation cooling heating surface system is arranged in the hearth in a graded and segmented mode, the superheater and reheater system is arranged in a horizontal flue in a graded mode, and the smoke gas coolers and the air preheaters are arranged in a tail flue in a graded and flow-dividing mode. The wall-attached radiation cooling heating surface system greatly reduces the length of a high-temperature working medium pipeline, and reduces the number of needed high-temperature convection heating surfaces and high-temperature alloy pipelines, thereby reducing fixed investment of equipment. The superheater and reheater system combines with turbines which are arranged in a multi-stage and multi-axis mode, so the air inlet temperature and the turbine efficiency of the turbine of each grade can be improved. The tail flue comprises an upper-grade smoke gas coal economizer and a lower-grade smoke gas coal economizer which are used for heating a new working medium to meet requirements of an inlet of a primary wall-attached radiation cooling heating surface of the boiler, and the upper-grade air preheater and the lower-grade air preheater are used for heating combustion air, so that the special requirements for hearth combustion and heat transfer of the supercritical working medium circulation are met.

A heat exchange system includes a first heat exchanger that radiates heat of at least a cooling cycle, a cooler circuit in which a coolant for a heat-emitting device flows, a plurality of heat exchangers that are connected to the cooler circuit and radiate heat of the coolant, and a blower that sends air to the first heat exchanger and the plurality of heat exchangers to cool. The plurality of heat exchangers are arranged in a blowing direction of the blower, and separately radiate heat of the cooler circuit. The heat exchanger, which is disposed on the windward side, of the plurality of heat exchangers is thermally connected to the first heat exchanger, and the heat exchanger disposed on the windward side radiates heat by itself and also radiates heat through the first heat exchanger.

The invention discloses a radiation cooling film which is formed by mixing ceramic particles, an organic solution and a curing agent, mixing the ceramic particles with an organic curing precursor solution, and curing, a micro-nano photon structure array is formed on the surface of the film, and the micro-nano photon structure array comprises a plurality of arrayed micro-nano photon structure elements. The invention further discloses a preparation method and application of the radiation cooling film. The film has the reflectivity of 95% in the sunlight band and the radiance of 96% in the atmospheric window band, can be lower than the ambient environment by 10 DEG C at most under the illumination condition, and also has good flexibility and strength and excellent hydrophobicity. The radiation cooling film is prepared in a low-cost and large-area manner by adopting a multi-etching double-spin-coating vacuum thermocuring process. The radiation cooling film is applied to the aspects of human body wearable cooling, cooling umbrellas and device heat dissipation, and a cooling method is achieved by removing heat from the surface and the interior of a main body in a heat radiation mode.

The invention relates to a radiant cooling system of the technical field of heating ventilation and air conditioning, in particular to an anti-condensation control system and method for the radiation tail end of a grating pipe network. The anti-condensation control system for the radiation tail end of the grating pipe network comprises a measuring unit, a computing control unit and an execution unit, and is characterized in that the output end of the measuring unit is connected with the input end of the computing control unit, the output end of the computing control unit is connected with the input end of the execution unit, indoor environment variables are measured by the measuring unit in real time, the computing control unit receives the real-time data signals of the measuring unit and carries out computing processing, a real-time decision is made according to a control algorithm, control instructions are generated, control signals are output to the execution unit, and therefore anti-condensation control is achieved.

The invention is a substitute ventilation radiator belonging to heating and ventilating air condition refrigerating field. The invention includes a radiator, substitute ventilator. The radiator is arranged on the board at one side of the substitute ventilator, the board of the substitute ventilator is used as the bottom board, and the radiator and the substitute ventilator are arranged together back to back. It has characters of substitute ventilation and radiation cooling and heating technology, it can supply fresh wind to room with substitute method, eliminates the humid charge in the room, satisfies the demands of people for fresh air; it can cool or heat the room with radiator, bears the sensible cool or heat charge in the room, upgrades the comfort level and the air quality in room, saves the air condition consumption and the construction space.

An electronic device includes a cover for one or more heat generating components, with the cover providing at least a combined conductive, convective, and radiant cooling for the heat generating components while maintaining the device within a prescribed temperature range. Conductive cooling is realized by providing thermal coupling between each of two or more depression regions in the cover and one or more heat generating components. Appropriate placement of air inlets and outlets through the cover provides convective cooling of the heat generating components and the thermally coupled depression regions. Heat from the heat generating components thermally coupled to one depression region is effectively isolated from heat generated by other heat generating components thermally coupled to another adjacent depression region at least in part via the air outlets through an interior region between the two adjacent depression regions. Radiant cooling can also be improved by increasing the emissivity of the device cover material.

The invention discloses a spacecraft thermal control system directly utilizing sunlight, which comprises a sunlight buncher, a sunlight branching device, a light-guide fiber, a heating unit and a space radiant cooling device. The spacecraft thermal control system directly converges sunlight on the sunward side of spacecraft to be served as thermal control energy of the spacecraft, utilizes light energy produced by converged sunlight to heat a spacecraft light heating device or a single machine, simultaneously reduces the increased temperature caused by sun radiation on the sunward side, solves the problem of low power consumption space thermal control, reduces the thermal control electric power of the spacecraft, also reduces corresponding solar battery array area and accumulator capacity, improves the energy utilization of sunlight, and reduces the design difficulty of spacecraft thermal control and energy equal division systems. The spacecraft thermal control system solves the technical difficulty of thermal control required by navigation of the spacecraft in the solar system, and has certain effects on improving the thermal control efficiency of the spacecraft and the space exploration range, and reducing the resource cost for navigation.

The present invention relates to a hybrid device for cooling, which is appropriately small for home use, which produces cold water while conserving energy by using hot water which is obtained from waste heat from cogeneration or from solar heat, which prevents condensation on a floor or a ceiling if dew forms on a surface when radiant cooling, and which can selectively cool or heat the floor using an existing hot water heating equipment. The hybrid device for cooling comprises: a dehumidification cooling apparatus further comprising a dehumidification cooling housing which is divided into a dehumidification cooling passage and a regeneration passage, a dehumidification rotor, which is rotatably installed across the dehumidification cooling passage and the regeneration passage, for removing moisture in the air which is introduced to the dehumidification cooling passage, a heat exchanger for heating the air that passes through the regeneration passage for regenerating the dehumidification rotor, a cooler for producing cold water by penetrating the air, from which moisture is removed by passing through the dehumidification rotor, through water which is sprayed by a streaming device and using the latent heat from water evaporation; and an air blower for forcibly blowing the air inside the dehumidification cooling passage and the regeneration passage; and a cold water supply device for collecting the cold water which is produced in the cooler and supplying same so as to circulate through an air-conditioned space.

A device and method for cooling an animal, operating to reduce heat absorption by reflecting sunshine and heat away from the animal, reducing insulation uptake, and shielding the animal from ultraviolet rays and other radiation, while providing adequate ventilation to support evaporative and/or radiant cooling. An external fabric layer of woven plastic or synthetic stranded material with a metallic coating that provides high reflectivity for a wide bandwidth of radiation is combined with an interior fabric layer capable of rapid evaporation of liquids, which may be moistened artificially or may absorb perspiration for transpiration and cooling effects.

The invention discloses a waste heat boiler for a power generating system based on tail gas waste heat of a pot-type carbon calcining furnace, and the waste heat boiler is provided with a support frame, wherein the top of the frame is provided with a boiler barrel steam pocket for steamwater separation, and a smoke inlet and a smoke outlet are respectively arranged on the bottom of the frame; a radiation cooling chamber and a heat exchange device are successively arranged between the smoke inlet and the boiler barrel steam pocket, an evaporator and an economizer are successively arranged between the boiler barrel steam pocket and the smoke outlet, and smoke is guided out successively through the smoke inlet, the radiation cooling chamber, the heat exchange device, the evaporator, the economizer and the smoke outlet; and the radiation cooling chamber and the heat exchange device are respectively communicated with the boiler barrel steam pocket. The waste heat boiler for the power generating system based on the tail gas waste heat of the pot-type carbon calcining furnace provided by the invention is designed by fully considering the characteristics of the smoke discharged by the pot-type carbon calcining furnace. The waste heat boiler provided by the invention has the advantages of not only high heat exchange efficiency, but also lower manufacturing cost and higher popularization value.

The invention provides an energy recovery method for preparing sponge iron by gasification of high-pressure pulverized coal and a system thereof. In the energy recovery method for preparing sponge iron through a coal-based shaft furnace process and the system thereof, oxygen, pulverized coal and water vapor are sent into a high-pressure pulverized coal gasification furnace for completing high-temperature pure oxygen gasification to generate synthesis gas with CO and H2 in a relatively high ratio; the synthesis gas is successively cooled to a specific temperature through a two-stage heat recovery plant after radiant cooling, and sulfur and nitrogen are removed from the synthesis gas through a dust remover and a gas purifier; the purified high-pressure low-temperature synthesis gas absorbs the sensible heat of coal gas through a secondary heat recovery plant and then is heated to a specific temperature and mixed with treated and recovered shaft furnace coal gas in a combustion chamber; the heated coal gas enters the shaft furnace and is reacted with sent-into iron ore to generate the sponge iron and the shaft furnace coal gas. The invention has the advantages that the gasification efficiency of coal is high, the invention is suitable for coal types of different tenors, and the invention greatly improves the recovery rate of the shaft furnace coal gas, simplifies the system for utilization of the shaft furnace coal gas, and synchronously realizes zero emission of sponge iron manufacture.

An entrained flow gasifier designed as a component for an Integrated Gasification Combined Cycle plant of optimized efficiency is provided. The raw gas initially flows through a waste heat unit designed as a radiation cooler and subsequently flows through a full water quench. This results in a higher ratio of steam in the raw gas, which decreases the medium-pressure steam supply before the water-gas shift and thus improves efficiency in IGCC plants with CO₂ separation.

The invention discloses a lunar soil source thermoelectric generator, which comprises a thermoelectric generation module and a power storage module, wherein the thermoelectric generation module is connected with the power storage module; the lunar soil source thermoelectric generator is characterized in that the thermoelectric generation module comprises a radiant cooling plate, a thermoelectric generation sheet and a self-circulating heat pipe; the radiant cooling plate for cooling is attached to a cold end surface of the thermoelectric generation sheet; a hot end surface of the thermoelectric generation sheet is connected with the self-circulating heat pipe; the self-circulating heat pipe is buried into lunar soil, absorbs heat of the lunar soil and transmits the heat to the hot end surface, in contact with the self-circulating heat pipe, of the thermoelectric generation sheet, so that the hot end surface of the thermoelectric generation sheet is kept at high temperature; and furthermore, due to the radiant heat transfer effect of the radiant cooling plate and the moon space, the cold end surface, attached to the radiant cooling plate, of the thermoelectric generation sheet is kept at low temperature, and a stable temperature difference is finally formed between the hot end surface and the cold end surface of the thermoelectric generation sheet and is stored into a storage battery through thermoelectric generation, thereby ensuring efficient lunar exploration activities at night.

A furnace of controlled heating and treatment of material using infrared radiation. The furnace is capable of continuous infrared treating of material with consistent radiation being applied to the material, ease of access to the furnace for maintenance cleaning and repair, excellent control of radiant cooling of the material to be treated, and ease of maintenance of a volatile component condenser.

A method of assembling a radiant cooler is provided. The method includes providing a vessel shell that includes a gas flow passage defined therein that extends generally axially through the vessel shell, coupling a plurality of cooling tubes and a plurality of downcomers together to form a tube cage wherein at least one of the plurality of cooling tubes is positioned circumferentially between a pair of circumferentially-adjacent spaced-apart downcomers, and orienting the tube cage within the vessel shell such that the tube cage is in flow communication with the flow passage.

A wind source heat pump system capable of conducting radiant cooling and heating by using phase transformation energy of compressed steam comprises a compressor, a connecting pipe and a four-way valve. The compressor is connected with an outdoor fan, an outdoor coiler and a capillary coiler buried in an indoor floor through the four-way valve. A main machine power supply and a control panel are installed in an outdoor unit and connected with the compressor, an electronic expansion valve, a floor temperature sensing and control device, the four-way valve, an indoor temperature sensing device and a controller through an electric power line and a control line. Energy can be saved by about 55% during refrigerating through this method, and an energy-saving effect is remarkable. More important, comfort level of a person is greatly improved, and a use effect is good. Energy is saved by about 60% during heating, and high popularizing value is obtained.

The invention discloses a solar solution dehumidification radiation air conditioning system and relates to the technical field of air conditioning. The solar solution dehumidification radiation air conditioning system includes a solar energy solution dehumidification fresh air system and a capillary network radiant cooling and heating system. An auxiliary heating device is arranged in a layered heat insulation water tank inside the solar energy solution dehumidification fresh air system, the two ends of the layered heat insulation water tank are connected with a first water pump and a solar thermal collector sequentially through a water pipe, the two ends of the layered heat insulation water tank are connected with a second water pump and a first heat exchanger sequentially through a waterpipe, and the two ends of the first heat exchanger are connected with a solution pump, a solution regeneration tower, an electric three-way valve, a concentrated solution tank, a first solution pump,a second heat exchanger, a solution dehumidification tower, a second solution pump and a dilute solution tank. An air cooled heat pump inside the capillary network radiant cooling and heating system,a capillary network and a third water pump are sequentially connected through a water pipe. The solar solution dehumidification radiation air conditioning system is available all year round, can independently control the indoor temperature and humidity, can scientifically and effectively improve energy utilization rate and reduce environmental destruction.

The invention provides a space heat pipe radiator based on a loop heat pipe, which belongs to the technical field of spacecraft thermal control. A problem that the imaging quality of an optical instrument in a spacecraft is affected due to large vibration of a space radiator based on fluid loop in the prior art is solved. According to the invention, the space heat pipe radiator based on the loop heat pipe mainly comprises a radiant cooling panel, a crisscross heat pipe network and a loop heat pipe, wherein a plurality of longitudinal grooves are stamped in the internal surface of the radiant cooling panel; the crisscross heat pipe network comprises a plurality of longitudinal heat pipes and a plurality of transverse heat pipes; the longitudinal heat pipes correspond to the longitudinal grooves one to one; the longitudinal heat pipes are fixed in the longitudinal grooves and in close contact with the inner walls of the longitudinal grooves; the transverse heat pipes are vertical to the longitudinal heat pipes and fixed on the internal surface of the radiant cooling panel; and a condenser of the loop heat pipe is fixed in an exposed area of the internal surface of the radiant cooling panel. The space heat pipe radiator based on the loop heat pipe, provided by the invention, has the advantages of high heat transmission capacity, high temperature control accuracy, high reliability and small vibration and substantially has no influence on the imaging quality of the optical instrument in the spacecraft.

The invention discloses an embedded pipe type enclosure structure radiant cooling control system and method. The system comprises a radiant cooling tail end mechanism, a dehumidification ventilation mechanism, a cold and heat source heat exchange mechanism and a control module. The cold and heat source heat exchange mechanism comprises a cold and heat source unit and a heat exchange mechanism. Theheat exchange mechanism comprises a plate heat exchanger, a electromagnetic three-way valve, a first circulating water pump and a second circulating water pump. An indoor humidity sensor, an indoor dry-bulb temperature sensor, a dew point temperature sensor, a wind speed sensor, a black globe temperature sensor and a surface temperature sensor are arranged in a room. The method comprises the following steps of 1, parameter setting; 2, signal real-time acquisition and synchronous uploading; 3, adjustment of the radiant tail end cooling water temperature; and 4, adjustment of the heat comfort index PMV value. The embedded pipe type enclosure structure radiant cooling control system and method are applicable to outdoor temperature variation and indoor temperature and humidity variation so that the indoor heat environment can meet the requirements of indoor personnel for heat comfort and energy consumption can be reduced.