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,泵机的特,多源单效制冷供泵机、双效泵机、双级泵机及天然气液化流程。