A kind of manufacturing process of recombined bamboo
A manufacturing process, the technology of recombined bamboo, which is applied in the field of recombined bamboo manufacturing process, can solve the problems of low utilization rate, large loss of bamboo silk or bamboo sheet, etc., and achieve the effects of high production efficiency, large one-time output and high mechanical strength
Active Publication Date: 2019-01-11
ANJI QICHEN BAMBOO IND +1
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Problems solved by technology
Yet the loss of bamboo silk or bamboo sheet in above-mentioned technical scheme is big, utilization rate is low
Method used
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Embodiment
[0036] Embodiment: a kind of manufacturing process of recombined bamboo, obtain bamboo shreds or bamboo sheets after peeling, steaming and combing raw bamboo as raw material, make recombined bamboo square material through the following steps:
[0037]
[0038]The immersion drying of this embodiment is to place the original material in a negative pressure drying room, which is used as a drying work space. The negative pressure drying room includes a closed space formed by a roof, a base, and surrounding soft curtains. After the negative pressure drying room is closed with a soft curtain, a suction port with a rectangular cross-section communicating with the suction air channel is opened on the roof, and a hot air port with a rectangular cross-section communicating with the hot air channel is opened on the base; The pipe cross-sectional shape and area of the suction channel are the same as the suction port, and the pipe cross-sectional shape and area of the hot air channel...
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The invention discloses a manufacture process for recombined bamboo. Raw materials are loaded and stacked. The manufacture process includes the following steps that A, the raw materials are dried, wherein the raw materials are placed under negative pressure to be dried till the moisture content is lower than 15%; B, high-temperature pyrolysis is conducted, wherein the temperature rises to 170-240 DEG C, vertical air flow with the wind speed being 2-10 m / s is formed in an accompany manner in a pyrolysis kiln, and the pressure inside and outside the pyrolysis kiln is kept equal by discharging gas till the pressure inside and outside the pyrolysis kiln is naturally equal; C, dipping is conducted; D, dipping drying is conduced, wherein the raw materials are placed under negative pressure to be dried till the moisture content is 7%-15%; E, management is conducted, wherein the raw materials are managed into bundles, and when the pressure which is perpendicular to the fiber direction, same in force application direction and same in magnitude is borne, the distance between thicknesses of all force application points on each single bundle of raw materials is smaller than 5%; and F, pressing solidification is conducted. The manufacture process has the beneficial effects that the utilization rate of the raw materials is high, the mechanical strength of manufactured recombined bamboo square stock is large, the production efficiency is high, and the one-time yield is high.
Description
technical field [0001] The invention relates to the technical field of a manufacturing process of wood products, in particular to a manufacturing process of recombined bamboo. Background technique [0002] Recombined bamboo is a man-made recombined wood made of combed bamboo silk or bamboo sheet as raw material. The bamboo silk or bamboo sheet obtained after peeling and combing the bamboo is impregnated with adhesive, placed in a mold, and pressed into shape by pressure. The high temperature curing adhesive makes the final square. The density of the obtained recombined bamboo square material is 1.5 to 1.8 times that of ordinary bamboo products, and the mechanical strength is high, which can be adapted to the manufacture and processing of various products. The past production process of recombined bamboo, such as a recombined square material production process disclosed in Chinese patent 20131058509.4, includes: dried bamboo shreds → dipping → drying → cold pressing → curing...
Claims
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IPC IPC(8): B27M1/02B27M1/08B27J7/00
CPCB27J7/00B27M1/02B27M1/08
Inventor 黄明法丁志慧
Owner ANJI QICHEN BAMBOO IND