GETTING DRY FABERBOARDS PRODUCTION, MANUFACTURE FIBER USING WOOD WASTE FROM MA-CHINES
Abstract
The paper presents the results of studies preparation of wood waste from the sliding table machines (FOS) for the purpose of their further use in the finished product of plate.
The object of study of this work are fibreboard (DVP), the dry method of production, the subject of research – physical phenomena and processes that characterize the process of preparation of wood waste from the FOS in obtaining hardboard dry process production.
Reliability of results is provided by using a complex of modern complementary physical, statistical and mathematical methods of research, as well as laboratory and production tests, the playback of numerous experiments, statistical processing of the results of research.
Achieved planning and implementation of experimental studies of the process of preparation of the semi-finished wood-formatnoobreznyh machines to manufacture hardboard dry process production. The analysis of statistical and mathematical models and a graph on the basis of which scientifically proved the possibility of using recycled wood fibers prepared in rotary knife mill MP-4, in the manufacture of hardboard dry process without disrupting manufacturing processes and without deterioration of the quality of the finished board.
The best performance of the specific surface of the fibers 256400–245400 cm2/g, and the static bending strength of 45–46 MPa were obtained when the value of the gap between the process parameters and the anvil 3 mm and impact angle with the feed anvil 225°.
As a result of the savings in the production of wood fiber hardboard will be 3% of the total pressmasse per unit of finished product.
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