The breech lock closure type heat exchanger is characterized by reliable sealing performance, easy dismantling and assembling, high utilizationratio of heat exchange area and small grounding.
螺纹锁紧环换热器具有密封性能可靠，拆装方便，换热面积的利用率高，结构紧凑，占地面积小等特点。
2
Intermittent steam injection can increase the specific volume, swept volume and utilizationratio of heat, and can improve formation of seepage in oil reservoir so as to improve flooding effect.
间歇注汽法可提高蒸汽比容，提高蒸汽波及体积和热利用率，改善油层渗流特征，达到改善驱油效果的目的。
3
If the residual heat with different temperatures is recovered by different appropriate techniques, it will surely save much more energy thus to improve the total energy's utilizationratio.