secondary heat pump的意思|示意

Thermal Power Station is the second net heat source, the main energy-consuming device is a heat exchanger, circulating pump and fill the secondary network of pumps.

热力站是二级网热源，主要耗能设备是换热器、二级网循环水泵和补水泵。

The primary filter for continuous cleaning, and the secondary filter for collection of fine particles. Heat pump can also be offered to increase the total thermal efficiency.

主过滤器进行连续清理，次过滤器收集细小颗粒，同时采用热泵来提升总热效率。