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首页> 外文期刊>Maderas: ciencia y tecnologia >Energy efficiency performance enhancement of industrial conventional wood drying kiln by adding forced ventilation and waste heat recovery system: A comparative study
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Energy efficiency performance enhancement of industrial conventional wood drying kiln by adding forced ventilation and waste heat recovery system: A comparative study

机译：通过添加强制通风和废热回收系统，通过添加常规木干燥窑的能效性能增强：比较研究

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摘要

Conventional kilns dominate the wood drying industry. However, energy consumption during the process of ventilation remains a significant challenge. In this study, we designed a device to recover waste heat from exhausted wet air during kiln drying. To determine energy conservation, the device was installed in a 50 m3 kiln used for drying sawn timber in two different Chinese cities, and a traditional kiln with identical size was chosen to enable comparison. Two kinds of hardwood (Betula costata Trautv and Quercus mongolica) swan timbers were dried using conventional technology to investigate the energy saving effect of rainy seasons as well as seasonally different temperature. The results revealed that drying time and energy consumption decreased with the use of this energy-conserving device. Electrical and energy consumption were reduced by 18,9% and 38,5%, respectively. Waste heat recovery efficiencies ranged from 20,32% to 28,15%. Energy-conservation efficiency can be predicted to range from 12,23% to 22,74% annually. Equipment costs can be recovered within 3,5 years.
机译：常规窑主导木材干燥行业。然而，通风过程中的能量消耗仍然是一个重大挑战。在这项研究中，我们设计了一种装置，以在窑干燥过程中从耗尽的湿空气中恢复废热。为了确定节能，该装置安装在50 M3窑中，用于在两种不同的中国城市中干燥锯材，并且选择具有相同尺寸的传统窑以实现比较。两种硬木（Betula Costata Trautv和Quercus Mongolica）使用常规技术干燥天鹅木材来调查雨季的节能效果以及季节性不同的温度。结果表明，随着这种节能装置的使用减少了干燥时间和能量消耗。电气和能量消耗分别降低了18,9％和38,5％。废热回收效率范围为20,32％至28,15％。节能效率可预测为每年12,23％至22,74％的范围。设备成本可在3,5年内恢复。

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