Manufacturing method for wood-based cotton stalk composite artificial board
A technology of cotton straw and a manufacturing method, which is applied in the manufacturing field of wood-based cotton straw composite wood-based panels, can solve the problems of easy fire-fighting sizing and pavement, difficulty, blocking equipment transportation pipelines, etc., so as to alleviate the shortage of wood resources and maintain ecological balance. , the effect of reducing manufacturing costs
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no. 1 example
[0038] The first embodiment of the present invention is a kind of manufacturing method of particleboard:
[0039] 1. Cutting the cotton stalks: after controlling the moisture content of the cotton stalks at 15-20%, cut them into small pieces with a length of 1.5-2.5 cm for later use.
[0040] 2. Shavings: The cotton straw section with a moisture content of 15-20% is made into shavings by a ring-type flaker or a hammer mill. The length is 0.3-25mm, the width is 1-10mm, and the thickness is 0.3- 5mm.
[0041] 3. Drying: Airflow drying method and drum dryer are used to dry the shavings of cotton stalks. The drying temperature range is 70-150°C, and the final moisture content of drying is 3-5%;
[0042] 4. Screening: Send the dried cotton stalks into the dry silo, and the dried wood shavings can be evenly mixed with the cotton stalks and shavings according to the required ratio of 1:3-3:1;
[0043] 5. Sizing: Evenly sizing and gluing the mixture of cotton stalks and wood shaving...
no. 4 example
[0063] The fourth embodiment of the present invention is another manufacturing method of fiberboard:
[0064] 1. Cutting off the cotton stalks, after controlling the moisture content of the cotton stalks at 15-20%, cut them into small sections with a length of 1.5-2.5 cm for later use;
[0065] 2. Thermal grinding: Cut the cotton stalks and wood chips that are cut according to the requirements, and use two thermal grinding machines to thermally grind the pulp separately; the pulping condition of the cotton stalks is that the steam pressure is 2-5kg / cm 2 , the thermal grinding condition of wood chips is conventional technology;
[0066] Three, sizing and drying, adopt the method of sizing and drying synchronously after hot grinding, and waterproofing agent is also applied at this time; the amount of sizing and waterproofing agent applied to cotton stalks is 10-14% and 1-2% respectively, The sizing amount of the wood fiber and the application amount of the waterproofing agent a...
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