在目前，对于中低温烟气的余热回收来说，更具有广泛的推广价值和应用前景。
At the present time, from the point of view of recycling waste heat of intermediate and low temperature fume the recuperator has still more extensive spreading values and prospects for applying.
本文针对初温、流量一定且不循环使用的低温余热，提出确定其动力回收系统参数的热力学原则。
Thermodynamic principle of heat recovery system for low temperature waste heat with a given initial temperature and flow and for non-cycling operation is proposed in the article.
目前在工业生产、尤其是石化行业生产中，存在大量的低温余热，而其中的大部分还可以被回收利用。
There is a great amount of waste heat in industry, especially in petrol industry, most of which could be used again.
本文介绍低沸点工作介质的兰金循环特点及目前国外运用这种循环方法回收和利用低温余热的情况。
The Rankine cycle of low boiling medium and its application to low temperature waste-heat recovery in foreign countries are reviewed.
本文通过现场试验来说明板式换热器用来回收低温余热的经济效果很好，热回收率可达80—90%。
The on-site tests show the plate heat exchangers give very good economical effects of waste heat recovery and the heat recovery ratio can reach to 80-90%.
由于受建设时期技术条件和认识的局限，其制酸装置的中、低温位余热回收不够完善。
Due to the limitations of technical conditions and knowledge, at that time they didn't set low-grade heat recovery system in the process of acid.
热泵作为一种利用低温热源的节能装置，用于余热回收和提高能源利用率的意义变得日趋重要。
Heat pump, as an effective energy saving device, is qualified to be employed in saving energy and enhancing energy utilization.
热泵作为一种利用低温热源的节能装置，用于余热回收和提高能源利用率的意义变得日趋重要。
Heat pump, as an effective energy saving device, is qualified to be employed in saving energy and enhancing energy utilization.
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