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.

通过对石油天性的研究,利用热泵机的特点,设计多源单效热热泵机、双效热泵机、双级热泵机及天液化流程。