Cascade cold-heat-electricity co-production device

Abstract

The invention provides a cascade cold-heat-electricity co-production device comprising a compressor, a traveling-wave thermoacoustic engine, a pulse tube refrigerator and a two-way turbine power generation device which are connected in sequence. The compressor is used for generating pressure waves and converting electric energy into acoustic power. The traveling-wave thermoacoustic engine is usedfor generating a thermoacoustic effect and amplifying and outputting the acoustic power. The pulse tube refrigerator is used for receiving the amplified acoustic power, consumes the acoustic power togenerate a refrigeration effect and transmits the remaining acoustic power obtained after the acoustic power is consumed to the two-way turbine power generation device. The two-way turbine power generation device is used for converting the remaining acoustic power into the electric energy, feeding part of the electric energy back to the compressor to allow the compressor to operate and transmits the remaining electric energy to other electricity consuming equipment and electricity storage equipment. The engine, refrigerator and the two-way turbine power generation device are connected in series efficiently through a phase modulation structure, the electric work generated by the two-way turbine power generation device can provide the electric energy to the compressor, co-operation of cold,heat and electricity is realized, and the cascade cold-heat-electricity co-production device is simple in structure and has wide application potential.

Description

technical field [0001] The invention relates to the technical field of functional energy saving, and more specifically, to a cascaded cooling, heating and power cogeneration device. Background technique [0002] Many applications in industrial production and residential life require cooling, heating, and electricity resources at the same time. In the field of energy, a distributed cogeneration scheme of cooling, heating and power was proposed many years ago, which can simultaneously provide electricity, cold energy and heat energy for daily use. Existing combined cooling, heating and power systems mostly use natural gas or liquid fuel as primary energy, use gas turbines, internal combustion engines or steam turbines to generate electricity, and then use absorption or adsorption refrigeration to convert the high-temperature waste heat of the above systems into cold energy. The waste heat which is slightly higher than the ambient temperature is used for domestic heating. Thr...

AI Technical Summary

Problems solved by technology

[0005] The present invention provides a cascade cooling, heating and power cogeneration device that overcomes the above problems or at least partially solves the above problems, and solves the problem of low power, high cost and high technical difficulty caused by linear motors used as sound power conversion devices in the prior art , which is not conducive to the practical application of the problem

Images