Manufacturing method of environment friendly flame retardant medium density fiber board
A manufacturing method and medium-density technology, applied in the chemical industry, can solve the problems of increasing fuel cost, increasing the pressure of drying system, etc., and achieve the effects of less application amount, convenient storage and transportation, and low cost
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[0012] Example 1:
[0013] (1) Raw material peeling: The wood raw materials are mainly wild oak and artificially planted fast-growing eucalyptus. Put these wood raw materials into the peeling machine for peeling, and the bark content after peeling is ≤ 3%;
[0014] (2) Chip screening: The peeled wood material obtained in step (1) is chipped by a chipper to obtain wood chips with a length of 32 mm, a width of 22 mm, and a thickness of 4 mm. Chips of 50 mm and shorter than 6 mm come out to ensure the stable shape of the chips;
[0015] (3) Washing with water: Because the wood chips contain a lot of impurities such as sand, gravel, etc., they are washed with water to avoid the impurities from damaging the grinding disc;
[0016] (4) Steaming and softening: Put the cleaned wood chips into the cooking vat for cooking, cooking temperature: 170℃, cooking pressure: 8 bar, cooking time: 2 minutes;
[0017] (5) Hot milling: Put the steamed and softened wood chips into a mill for hot milling. Th...
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