Both fuel usage is reduced and cash flow is improved with the use of heat recovery equipment.

由于采用了热回收装置，既降低了燃料用量，又使现金周转得更快。

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Practical significance of heat pipe used as heat recovery equipment in air conditioning and ventilation system is introduced.

介绍了设置热管热回收装置对空调通风系统节能具有重要的现实意义。

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The burning system of hot stove and equipment of waste heat recovery is studied. A new method of waste heat recovery with fast heat storage room is put forward.

通过对高炉热风炉燃烧系统和现有烟气余热回收装置的研究，提出了固定蓄热式烟气余热回收利用新方法。

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