8results about How to "Improve thermal cycle efficiency" patented technology

The multi-parallel rocket type rotary detonation engine comprises an oxidant cavity and a combustion chamber fixedly connected with the oxidant cavity, and the combustion chamber is internally provided with a plurality of fuel supply systems which communicate with one another, are fixedly connected with the oxidant cavity and are arranged around a rotation center in an array mode. And the ignition device is arranged on one fuel supply system. The multiple rocket-type rotary detonation engines are connected in parallel by sharing the oxidant cavity system, and the combustion chambers and the fuel supply system are coaxially arranged to form combustion chamber channels of the multiple rocket-type rotary detonation engines. The multiple parallel rocket type rotary detonation engines share the ignition device, ignition of the multiple parallel engines is achieved in the mode that windows are formed in the wall face, the system complexity brought by the ignition device can be obviously reduced, the reliability of the parallel rocket type rotary detonation engines can be improved, the structural design of the engines can be greatly simplified, and the cost is reduced. And the influence of the size effect is weakened on the premise of ensuring that larger thrust can be provided.

The invention discloses a multi-thermal process collaborative hydrogen fuel aero-engine thermal management system which comprises a large bypass ratio turbofan engine structure and an intercooling regenerative cycle structure, and the intercooling regenerative cycle structure comprises a hydrogen storage tank, a booster pump, a metering valve, a regenerator, an intercooler, a bleed air primary radiator and a bleed air secondary radiator. According to the system, multiple thermal processes such as high-temperature fuel gas heat regeneration, compressor interstage air cooling, turbine blade cooling gas pre-cooling and hydrogen fuel preheating are collaboratively optimized, and low-temperature hydrogen fuel and a cooled combustion product, namely water, are reasonably utilized as heat sinks; the problems that pressure is too large and a system is complex due to a complex air entraining structure in a traditional indirect cooling regenerative layout are solved, the power consumption of an air compressor, fuel consumption and waste heat loss of the whole machine are effectively reduced, the cooling quality of turbine blade cooling air is improved, and the heat management requirements of low energy consumption and high reliability of a civil aviation engine are met.

The invention provides an air fryer with an electromagnetic heating function and high heat cycle efficiency, and aims to solve the problems of low heat cycle efficiency and low heat energy utilization rate caused by unreasonable layout of an electromagnetic heating device and a hot air fan in a hot air cavity in an air fryer in the prior art. An air fryer with an electromagnetic heating function and high heat cycle efficiency comprises a fryer body provided with a cooking cavity; the air frying furnace end is arranged on the fryer body, and a hot air cavity cover and a cold air cavity cover are arranged on the air frying furnace end; a fan assembly; and the electromagnetic heating assembly comprises an electromagnetic coil assembly arranged on the hot air cavity cover and a heating disc suspended in the hot air cavity, the hot air fan is arranged between the heating disc and the hot air cavity cover, and a heating disc through hole communicated with the air inlet end of the hot air fan and the cooking cavity is formed in the middle of the heating disc. According to the electric cooker, when the hot air fan works, hot air heats food in the cooking cavity along the circulation path, and the heat circulation efficiency is higher.

The invention belongs to the technical field of medical equipment, and discloses a high-efficiency energy cabin and a use method thereof. A cabin cover is arranged at the top end of the cabin body; a fixed rod is fixedly mounted in the cabin body, and a push plate is movably connected to the surface of the fixed rod; a first motor is fixedly installed at the top end of the interior of the cabin body. In the rotating process of a lead screw, a second moving block can be driven to descend, then the second moving block can drive a first pushing rod to rotate, due to the fact that one end of the first pushing rod is hinged to a first hinge block, when the first pushing rod rotates, the first hinge block can be pushed to move, and then a pushing plate can move on the surface of a fixing rod; and then a push plate pushes a blocking plate to move in a moving groove, then the surface of the moving groove makes contact with the inner wall of the cabin cover, and therefore a gap between the cabin cover and the cabin body is blocked, the sealing performance of the device is improved, the heat cycle efficiency and the conditioning effect in the cabin are improved, and energy consumption is reduced.

The utility model relates to a coal power unit. Coal power unit, include: boiler, heat circulation system, back pressure machine and feedwater heater, the steam output end of boiler is connected with the steam input end of back pressure machine and the steam input end of heat circulation system respectively, the steam output end of back pressure machine is connected with the steam input end of feedwater heater, to steam output to feedwater heater, the feedwater output end of heat circulation system is connected with the feedwater input end of feedwater heater, to feedwater output to feedwater heater, the feedwater output end of feedwater heater is connected with the feedwater end of boiler, to steam heated after the feedwater output to boiler. Adopt the utility model can reduce coal power unit coal consumption.

The invention relates to a ferrocene metal organic framework / carbon-based material composite membrane, a polymerase chain reaction photo-thermal module and application thereof. The ferrocene metal organic framework / carbon-based material composite film is prepared by performing suction filtration and film forming on dispersion liquid containing a carbon-based material and a ferrocene metal organic framework. And the polymerase chain reaction photo-thermal module can realize the control of temperature rise and / or temperature reduction based on the regulation and control of the irradiation power of the light source. Compared with the prior art, the ferrocene metal organic framework / carbon-based material composite membrane and the polymerase chain reaction photo-thermal module can realize efficient photo-thermal conversion under the irradiation of a light source, have the characteristics of excellent heating and cooling rate and low power consumption, and provide a new solution for rapid pathogen detection.

The application belongs to the technical field of carbon dioxide energy storage systems, and particularly relates to a magnetic coupling type stirring module, a heat storage tank comprising the module, and a carbon dioxide energy storage system. The structure of the stirring module comprises a center pipe body which is sleeved and arranged on a maintenance platform support column and located in the inside of a tank body, a radial connecting rod which is arranged on the outer ring surface of the center pipe body and used for rotating and stirring heat storage medium, a permanent magnet ring body unit which is arranged on the radial connecting rod, located in the inside of the tank body, and used for receiving the driving force of a magnetic coupling driving module, and a plurality of periodic pushing guide plate units which are screwedly arranged on the radial connecting rod and used for improving the heat cycle efficiency of the heat storage medium in the mode of rotating and pushing the heat storage medium at the outlet position of a high-temperature medium discharge pipe and the inlet position of a low-temperature medium inlet pipe respectively.

The invention discloses a hybrid power generation system and method based on supercritical carbon dioxide circulation, the hybrid power generation system comprises a solar system, a supercritical carbon dioxide circulation system and a battery system, the battery system comprises a heater and a heat exchanger, the heater is used for heat exchange between supercritical carbon dioxide and a circulating working medium in the battery system, and the heat exchanger is used for heat exchange between the supercritical carbon dioxide and the circulating working medium in the battery system. The heat exchanger is used for exchanging heat when a working medium circulating in the battery system and a byproduct are converted, or is used for exchanging heat between the working medium circulating in the battery system and the supercritical carbon dioxide, and the reversible solid oxide fuel cell is used for converting the working medium subjected to heat exchange from the heater and the heat exchanger to generate the byproduct. Or the by-product is converted to generate power and generate a working medium. The problems of intermittency and volatility of a traditional power generation system independently taking solar energy as a heat source are solved, the degree of dependence of the system on the external environment is reduced, and the system performance is effectively improved.