At present, the mahogany door is not very perfect in drying problems, and it may be better to dry in summer. However, in the winter, the air is humid and cold, and the mahogany door begins to "get sick", and various small problems appear one after another.ç€šæ™Ÿå ‚çº¢æœ¨å®¶å…· http://hst.cnjiaju.com/share
For those who love mahogany doors, mahogany door maintenance skills must be mastered. If you want to buy a mahogany door to add a room style, you can't miss the amount of mahogany door knowledge shared today.
The conventional drying method is a convection heating drying method using damp hot air as a drying medium, and has many structural forms, and is the most widely used method for drying wood in wood processing enterprises. It has many heating methods (can be divided into conventional steam, hot water drying and conventional furnace gas drying); the volume of the filling material varies widely (small cubic meters, large hundreds of cubic meters), which can meet Various production requirements; drying process is easy to master and control. Most mahogany products manufacturers have small annual wood processing, tree variety, and plate size changes. Therefore, the kiln body with a volume of 15 to 25 m3 is selected, and the furnace kiln is selected as the fan type, and the steam and hot water kiln selects the overhead fan. The type is better, the air circulation in the small kiln pile is more uniform, and the difference in temperature and humidity is small, which can meet the production demand and achieve better drying quality.
The vacuum drying method is also widely used at home and abroad. The vacuum kiln body is a cylindrical metal structure with good compression and sealing properties. The drying principle is to use the degree of vacuum in the tank to lower the boiling point of water and accelerate the movement speed of moisture in the wood, thereby increasing the drying speed and shortening the drying time. Therefore, when the vacuum drying method is selected, the drying temperature is low, and the drying defects such as cracks and shrinkage of the wood can be reduced or avoided. The vacuum drying method is more suitable for drying hard hardwood thick slabs, and it has a good drying effect on hardwoods with good permeability.
Air drying is atmospheric drying, its drying cost is low, the correct air drying in the high moisture content drying stage of wood, it is not easy to produce dry quality problems, the drying speed is also acceptable, and the wood moisture content is lower than the fiber saturation point (FSP When the drying speed is too slow. If the air-dried semi-dry material is dried by conventional drying, the kiln drying time can be significantly shortened. The air-dried wood board is very flat and does not suffer from surface hardening, cracking and shrinkage. Air drying and conventional combined drying are also effective methods to improve the quality of wood drying and reduce drying costs. Air drying is easy to implement. After the air drying is completed, the wood is loaded into the conventional drying kiln, which can greatly improve work efficiency, save time, reduce costs, and achieve better economic benefits.
Generally speaking, due to the rapid development and large scale of the mahogany door market, the wood drying technology is relatively backward overall, the development speed is slow, and the drying capacity is insufficient. Many redwood enterprises have original methods of drying, causing serious loss of precious wood, and wasting wood resources. Individual enterprises have cut corners and made wooden doors without drying. I hope that the mahogany enterprises can face these existing problems and actively solve the problems, so that this road will be smooth sailing.
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