Method for carbonizing ultra-temperature hot-pressing wood surface

A wood and carbonization technology, applied in wood compression, charcoal burning/combustion, etc., can solve the problems of long production cycle, high equipment requirements, complex process, etc., and achieve the effect of low production cost, less equipment investment and simple process

Active Publication Date: 2015-02-25
ZHEJIANG FORESTRY UNIVERSITY
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Problems solved by technology

Therefore, the equipment requirements are relatively high, the energy consumption is large, the production cycle is long, the process is relatively complicated, and there are still certain fire hazards.

Method used

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  • Method for carbonizing ultra-temperature hot-pressing wood surface
  • Method for carbonizing ultra-temperature hot-pressing wood surface
  • Method for carbonizing ultra-temperature hot-pressing wood surface

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Embodiment Construction

[0027] The present invention is described in further detail below in conjunction with the embodiments and with reference to the accompanying drawings: the carbonization method of the wood ultra-high temperature hot pressing surface is carried out as follows:

[0028] (1) Selection and pretreatment of wood: select fast-growing wood and thinning wood to make veneer, thin board or square material with uniform thickness and smooth surface, remove knotty, decayed spots or materials with obvious insect eyes, and air dry Or control the moisture content to 8%-12%;

[0029] (2) Paving of the bottom liner: Use tin foil paper or thin stainless steel plate with the same area as the hot-pressed plate as the liner, and lay it on the hot-pressed plate;

[0030] (3) Pavement of wood to be treated: Use a high-temperature pressure molding machine produced by Huzhou Dongfang Machinery Co., Ltd. to densely lay a single layer of wood to be treated with the same thickness and material on the bottom...

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Abstract

A method for carbonizing an ultra-temperature hot-pressing wood surface comprises the following steps that (1) wood is selected and preprocessed, (2) a bottom liner plate is laid, (3) wood to be processed is laid, (4) tin foil paper or a thin stainless steel plate used as the liner plate is laid on the wood, (5) hot-pressing processing is carried out, and (6) discharging, cooling and temperature and humidity regulation are carried out. By means of the method for carbonizing the wood surface, the technology is simple, production cycle is short, production cost is low, energy conservation is obvious, pollution is avoided, processed wood can not be warping and crack, color of the surface is uniform, the surface is good in water repellency, and original mechanical property of the wood can be well kept.

Description

technical field [0001] The invention relates to a wood heat treatment method, in particular to a method for carbonizing the surface of wood boards or squares by ultra-high temperature hot pressing with a high temperature pressure forming machine. Background technique [0002] At present, wood carbonization methods are mostly carried out in the form of carbonization furnaces, kilns, boxes or tanks, and water vapor, nitrogen, etc. are often used as heating media, and some also use protective gas or oil bath heat treatment to create a low-oxygen or oxygen-free environment. security environment. Therefore, the requirements for equipment are relatively high, the energy consumption is large, the production cycle is long, the process is relatively complicated, and there are certain fire hazards. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a method for carbonizing the surface of wood by ultra-high temperature hot pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B27M1/06B27M1/02
CPCB27M1/02B27M1/06
Inventor 马灵飞方群聂玉静刘嵘
Owner ZHEJIANG FORESTRY UNIVERSITY
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