The invention relates to the warming equipment technology field, which specifically relates to a closed type of energy saving, warming and heatexchangingsystem.
本发明涉及采暖设备技术领域，具体涉及一种封闭式节能采暖换热系统。
2
The main structural factors which would influence the solid holdup in the multiphase circulating exchangingheatsystem were confirmed.
确定了影响多相循环换热系统中管束固含率的主要结构因素。
3
The relationship between fouling and heatexchanging was discussed, and the performance of this system with the change of fouling thermal resistance was simulated.