Through the research on petroleum and nature gas, design a multi-source heatpump of single and double effect lithium bromide, the two stage heatpump unit, process of nature gas liquefaction etc.

通对石油天然气物性的研究,利用热泵机的特点,设计多源单制冷供热热泵机、热泵机、级热泵机及天然气液化流程。