A method for producing medium and high density fiberboards by using cotton stalks to prepare wooden poles
A cotton stalk and wood technology, applied in fiber raw material processing, application, household components, etc., can solve problems such as instability, unresolved technology, blockage of equipment transportation pipelines, etc., to save production costs, reduce energy consumption, and reduce emissions. Effect
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Embodiment 1
[0025] Embodiment 1: Utilize cotton stalks to prepare wooden poles
[0026] The concrete method steps of utilizing cotton stalks to prepare wooden poles are as follows:
[0027](1) Inject 1 cubic meter of water into every 1.5 cubic reaction kettle, add 4% sodium hydroxide, 10% sodium sulfide, 3% sodium silicate, 3% sodium tripolyphosphate and 1% anthraquinone in sequence by dry weight , stirred evenly to dissolve and heated to 70-75°C, cut the cotton stalks into 10-20cm sections and put them into the reaction kettle solution. Soak in solution at ~75°C for 1 hour. After the cotton straw is softened and degreased under weak alkaline conditions, it needs to be soaked several times. Sodium sulfide, 1.5% sodium silicate, 1.5% sodium tripolyphosphate, 0.5% anthraquinone.
[0028] (2) After opening the reaction kettle in the above steps, remove the cotton stalks, wash them in hot water at 70-75°C, and then wash them with clean water at normal temperature. The water shortage in the...
Embodiment 2
[0030] Example 2: Using cotton stalks to prepare wooden poles to produce medium and high-density fiberboards
[0031] The specific method steps of using cotton straw to prepare wooden poles to produce medium and high-density fiberboards are as follows:
[0032] (1) Prepare a 12% concentration of potassium dihydrogen sulfate solution, add citric acid, and add laccase after dissolving. According to the weight ratio, 12% concentration of potassium dihydrogen sulfate solution, citric acid and laccase are added at a ratio of 1:1:0.5. .
[0033] (2) Put the prepared wooden rod into the kneading machine for the second kneading, after kneading, spray the solution prepared in step (1) evenly according to the dry raw material weight 45LU / g, and put it into the kneading machine for the third kneading , sent to the constant temperature fermentation room for fermentation through the discharge port of the kneading machine, the temperature is 50°C, and the time is 2 hours.
[0034] (3) Aft...
Embodiment 3
[0037] (1) Inject 1 cubic meter of water into a 1.5 cubic reaction kettle, add 4% sodium hydroxide, 10% sodium sulfide, 3% sodium silicate, 3% sodium tripolyphosphate and 1% anthraquinone in sequence according to the dry weight ratio, evenly Stir to dissolve and heat to 70-75°C. Weigh 2000 kg of cotton stalks, cut the cotton stalks into 10-20 cm sections, put them into the reaction kettle solution three times, cover the reaction kettle tightly, soak the cotton stalks in the solution at 70-75°C for 1 hour, and then remove them. For the second and third immersion, the dosage of the reactor is 2% sodium hydroxide, 5% sodium sulfide, 1.5% sodium silicate, 1.5% sodium tripolyphosphate, 0.5% anthraquinone, and the amount of water replenishment is about 0.5 cubic meters.
[0038] (2) Open the lid of the reaction kettle, take out the cotton stalks, wash them in hot water at 70-75°C, and then wash them twice with clean water at normal temperature.
[0039] (3) Control the moisture con...
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