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.

• 通过对石油天然气物性的研究,利用热泵机组的特点,设计多源单效制冷供热热泵机组、双效热泵机组、双级热泵机组及天然气液化流程。