Manufacturing technology of hollowed-out peach wood screen
A production process and screen technology, which is applied to the production process of peach wood hollow screens, can solve the problems of high moisture content of peach wood, poor anti-corrosion performance, cracking of peach wood boards, etc., and achieve the effect of tough texture, avoiding cracking, and preventing board deformation.
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Embodiment 1
[0022] A kind of manufacture craft of mahogany hollow screen, comprises the following steps:
[0023] (1) Material selection: select peach trees with a tree age of more than 20 years and a diameter greater than 15cm as processing materials;
[0024] (2) Sawing wood boards: cut the trunk of the felled peach tree into stakes, and peel off the outer bark; in the wood cutting machine, cut into peach wood boards;
[0025] (3) Boiling in salt water: immerse the peach wood board completely in the heating pool, in which the heating pool has water with a concentration of 0.8% sodium chloride, which has strong penetrating power, can inactivate peach wood cells and microorganisms, and improve the density of peach wood. First soak for 1-2 days; then heat-boil; take out the peach wood board and dry at low temperature until the moisture content is 30%-40%;
[0026] (4) High-pressure fumigation: Put the peach wood boards prepared in step (3) vertically on the distillation layer of the press...
Embodiment 2
[0037] Present embodiment 2 is compared with embodiment 1, and step changes in the following aspects:
[0038] Step (3) boiling in salt water, the concentration of sodium chloride is 0.9%.
[0039] Step (3) boiling in salt water, the water temperature is 98°C, and the treatment time is 5 hours.
[0040] Step (4) high pressure fumigation, its process parameters are:
[0041] The pressure is 2.7Pa, the temperature is raised at a rate of 5°C / 2min, to 116°C, the humidity is 75%, and the time is 4h; the temperature is lowered to 38°C at a rate of 5°C / 5min, and the time is 57min.
[0042] Step (5) acid-base softening, wherein the concentration of sodium hydroxide solution is 0.35%, soaking for 3 hours; the concentration of hydrochloric acid solution is 0.45%, soaking for 3 hours.
[0043] Step (6) drying, its process parameters are:
[0044] In the heating stage, the heating rate is 4°C / 3min, the humidity drop rate is 5% / 2min, the temperature reaches 68°C, the humidity reaches 15...
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