高效节能木材真空干燥技术研究

【摘要】 研制出一种带有热能回收装置的木材真空干燥系统，并探讨了对流加热连续真空干燥新工艺。马尾松（ｐｉｎｕｓｍａｓｓｏｎｉ－ａｎａ）小方材从初含水率３７％干燥到７％仅需２１ｈ，每干燥１ｍ~３木材耗电３４．７ｋＷｈ，耗汽１４４．７ｋｇ。初步运行试验结果表明，该项技术有显著的节能效果和较广阔的推广应用前景。更多还原

【Abstract】 Abstract A new wood vacuum dryer with a heat recovery system was designed and manufactured,Drying schcdules of convec-tion heating in continuous vacuum condition was studied.It took approx,21 hours to dry 4.2cm-thick Masson′s pine lumbers frommoisture 37%to7%,and oulv abeut 34.7 kWh electricitv and 144.7 kq steam were consumed Der cubic meter lumber.更多还原