隧道窑预热带内上下温差过大是实现快速烧成、节能降耗的最大障碍。
Temperature difference from top to bottom in preheating zone of tunnel kiln is the biggest obstacle for rapid firing, energy saving.
就隧道窑预热带上下温差产生的原因及其改善措施进行了论述，并提出了建议。
The reasons of forming temperature difference of preheating. zone of tunnel kiln and the ways to improve it are discussed, and suggest is put.
我厂出厂的烘箱，均设有分风装置，用户可在使用前进行风叶调节，使上下温差处于最佳状态。
The oven delivered by our factory is adapted air distribution device. Before application, customer can adjust fan blade in order to make the temperature difference at the best state.
本文主要从窑体结构和烧成制度等方面分析了油烧隧道窑产生上下温差的原因，并提出了改进结构和烧成操作缩小上下温差的技术措施。
This paper analyses the cause of the upper lower temperature difference stemming from oil-burning tunnel kiln and puts forward the technical measures of improving kiln structure and firing system.
本文主要从窑体结构和烧成制度等方面分析了油烧隧道窑产生上下温差的原因，并提出了改进结构和烧成操作缩小上下温差的技术措施。
This paper analyses the cause of the upper lower temperature difference stemming from oil-burning tunnel kiln and puts forward the technical measures of improving kiln structure and firing system.
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