In artificial seasoning, the drying of different surfaces is uniform and uniform and it shortens the duration of the seasoning.hows the comparison between natural and kiln seasoning. The various methods of artificial seasoning are as follows.
- Chemical seasoning: In this method, the timber is immersed in a solution of suitable salt. It is then taken out and seasoned in the ordinary way. Here the chances of formation of external cracks are reduced.
- Electrical seasoning: In this method, high-frequency alternating current is used. This is the most rapid method of seasoning, but
- it is uneconomical as the initial and maintenance cost is very high.
- Kiln seasoning: In this method, the drying is carried out inside an airtight chamber or oven. Depending upon the mode of construction and operation, the kilns are of two types, namely, stationary kilns and progressive kilns.In a stationary kiln, the process of seasoning is carried out in a single compartment only. This kiln is adopted for seasoning timber, which requires a close control of humidity and temperature. It gives better results. In a progressive kiln, the carriage with timber sections travels from one end of the kiln to the other and the hot air is applied from the discharging end. It is used for seasoning timber on a large scale.
- Water seasoning: This is a quick method and removes organic materials contained in the sap of timber. It, however, weakens the timber and makes it brittle.
Leave a Reply