External combustion type engine and working principle thereof

Abstract

The invention relates to an external combustion type engine and a working principle thereof. The external combustion type engine comprises a compressing cooling part, a heating expanding part, a heat regenerator and a burner. The external combustion type engine is characterized in that the compressing cooling part comprises at least two double acting compressors connected in a series connection mode, one cooler is arranged between every two adjacent compressors, the expanding part comprises at least two double acting expansion machines connected in a series connection mode, the front of an air inlet of every expansion machine is connected with a heater, the compressing cooling part and the heating expanding part are connected with the heat regenerator, and a burner inlet is communicated with an exhaust port of the last stage of expansion machine. The working principle is that after air is subjected to multistage compression intercooling, backheating heat absorption, multistage heating expansion and exhaust combustion, gas servers as a heat source of the heater and the heat regenerator. The external combustion type engine has the advantages of being high in thermal efficiency, good in fuel adaptability and small in pollution and running stably and is suitable for improvement of similar products.

Description

technical field [0001] The invention relates to an engine, which is an external combustion engine and its working principle. Background technique [0002] An engine generally refers to a heat engine, which is a device that converts fuel or other energy into heat energy of a working medium and further converts heat energy into mechanical energy output. [0003] With the development of economy and society, the human demand for power and electricity continues to grow, but the depletion of fossil energy and the environmental pollution caused by the burning and utilization of fossil energy have brought huge negative impacts on society. Seeking a new high-efficiency and environmentally friendly engine and a multi-fuel and multi-heat source engine that can utilize multiple energy forms such as gas, liquid, solid form energy, and renewable energy (solar energy, biomass, geothermal energy, etc.) are currently the solution to energy power problems. an important tool. [0004] The in...

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Problems solved by technology

[0010] In order to overcome some of the shortcomings of the above-mentioned common engines, such as insufficient fuel combustion of internal combustion engines, serious exhaust pollution, poor efficiency of variable working conditions, engine wear, high requirements for fuel quality, deflagration, noise and vibration, and other shortcomings; gas turbines have high fuel requirements and external Combustion-type gas turbines are less demanding on fuel, but both require large power and high temperature of working fluid to have high thermal efficiency, high requirements on materials, high manufacturing costs and other shortcomings. The present invention proposes a new type of gas turbine External combustion engine and its working principle, which can provide power for occasions with low and medium power requirements

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