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Preheat treatment of wood drying equipment

Number of hits:    Update time: 20 / 09 / 28 15:24:09       Source: 13428888166.cn 大香蕉伊在线视频: close branch      Enjoy:

When the equipment is used in the work, it will be preheated first. What are the steps of preheating in the wood drying equipment? Then, let's introduce the preheating treatment of wood drying equipment

 Wood drying equipment

Preheat treatment time should be determined according to the type, thickness and moisture content of wood. For example, materials with a thickness of 5 mm should be sprayed for 12-15 hours first. In order to obtain a reasonable temperature gradient, the cooked materials need to be treated for 6-8 hours. For Cyclobalanopsis glauca and Quercus australis, two kinds of materials with high density (such as parenchyma cells and ray parenchyma cells), Redwood, Patty and dry Badou were sprayed for 24 hours to soften the wood, smooth the cell cavity, and partially dissolve the filler in the cell cavity, so as to prepare for the subsequent wood drying equipment.
The initial spraying temperature should not be too low, otherwise the steam flowing into the wood drying equipment furnace is too small, so that the relative humidity in the furnace can not meet the standard requirements, and the preheating treatment effect is not good. Generally, the initial treatment temperature is 95-10oc. Whether the fan starts continuously in the initial treatment depends on the tightness of the furnace body. If the furnace body is well sealed, the initial spraying can be started continuously for 3-4 hours; If the sealing performance of the furnace body is poor and the furnace body is started continuously for a long time, the temperature in the furnace will increase and the humidity will decrease, which will lead to drying defects during the initial treatment. In this case. Generally, it is opened every 2 ~ 3 hours. The steam is evenly dispersed on the surface of the material. Good treatment effect can be obtained.
The above is the preheating treatment of wood drying equipment. I hope you can understand.
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