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In-depth wood carbonizing device

A carbonization device and wood technology, which is applied in the field of wood processing, can solve problems such as deformation, cracking, expansion, and inability to carbonize wood, and achieve the effects of easy control, simple device operation, and improved production efficiency

Active Publication Date: 2016-11-02
江苏思想家教育装备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The existing wood carbonization technology mainly puts the wood into a large cylinder and then heats it at the bottom. This carbonization process can only carbonize the surface of the wood, but cannot deep carbonize the wood, making the wood use time After a long time, it will expand or deform and crack

Method used

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  • In-depth wood carbonizing device

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Experimental program
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Effect test

Embodiment 1

[0029] A wood deep carbonization device, comprising a microwave chamber, a heat press, an atomized water nozzle and an air pressure regulator, the heat press is arranged in the middle of the microwave chamber, and the atomized water nozzle is arranged in the microwave chamber the top of the microwave chamber, the air pressure regulator is arranged outside the microwave chamber and communicates with the microwave chamber.

[0030] The heat press is fixed in the middle of the microwave chamber through a heat press frame. The air pressure regulator includes an air pump and a pressure gauge. A microwave generator is arranged around the heat press. A microwave controller is arranged on the outer surface of the microwave chamber, and is connected with the microwave generator in signal. A heat press controller is arranged on the outer surface of the microwave oven, and is connected with the heat press machine for signals.

Embodiment 2

[0032] Utilize embodiment 1 device to carry out the method for wood depth carbonization, may further comprise the steps:

[0033] (1) Material selection: select wood and cut it into plates with consistent thickness;

[0034] (2) Vacuum drying: place the obtained plate in a microwave field with an ambient pressure of 65KPa, first control the microwave power to 340W, until the moisture content of the plate drops to 90-95%, turn off the microwave for 45 seconds; then control the microwave power to 850W , until the plate temperature reaches 100-105°C, turn off the microwave and keep for 45 seconds; finally control the microwave power to 240W, until the moisture content of the plate drops to 6-7%;

[0035] (3) High-pressure carbonization: Infuse saturated water vapor to protect the wood. At the same time, adjust the ambient air pressure to 140KPa and keep the microwave power at 700W. Then use a hot press to pre-press the wood. The surface temperature of the hot-press plate is 400°C...

Embodiment 3

[0038] Utilize embodiment 1 device to carry out the method for wood depth carbonization, may further comprise the steps:

[0039] (1) Material selection: select wood and cut it into plates with consistent thickness;

[0040] (2) Vacuum drying: Place the obtained plate in a microwave field with an ambient pressure of 70KPa, first control the microwave power to 360W, until the moisture content of the plate drops below 95-100%, turn off the microwave for 45 seconds; then control the microwave power to 950W, until the plate temperature reaches 105-110°C, turn off the microwave and keep for 45 seconds; finally control the microwave power to 260W, until the moisture content of the plate drops to 6-7%;

[0041] (3) High-pressure carbonization: Infuse saturated water vapor to protect the wood. At the same time, adjust the ambient air pressure to 150KPa and keep the microwave power at 700W. Then use a hot press to pre-press the wood. The surface temperature of the hot-press plate is 45...

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Abstract

The invention belongs to the technical field of wood processing, and particularly relates to an in-depth wood carbonizing device. The in-depth wood carbonizing device comprises a microwave chamber, hot presses, atomizing water nozzles and an air pressure regulator. The hot presses are arranged in the middle of the interior of the microwave chamber. The atomizing water nozzles are arranged at the top of the interior of the microwave chamber. The air pressure regulator is arranged outside the microwave chamber and communicates with the microwave chamber. The in-depth wood carbonizing device is easy to operate and control, the condition of scorched outside with tender inside in the carbonizing process is avoided, same-quality carbonizing is achieved, more energy is saved, the production cost is greatly reduced, and the production efficiency is improved.

Description

technical field [0001] The invention belongs to the technical field of wood processing, and in particular relates to a wood deep carbonization device. Background technique [0002] In recent years, European carbonized wood has entered the Chinese market. Due to its good dimensional stability, corrosion resistance, beautiful color, and environmental friendliness, it has been favored by consumers and has been widely used in outdoor garden landscapes and decorations. Carbonized wood can prolong the service life of wood when used outdoors, save and efficiently utilize wood resources, and play an important role in promoting the development of the wood protection industry. [0003] Wood is composed of hemicellulose, cellulose, lignin and a small amount of extract, and its carbonization principle mainly includes: [0004] (1) The heat resistance of hemicellulose is poor. Under the action of high temperature, it first degrades to generate free acetic acid, and the released acetic a...

Claims

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Application Information

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IPC IPC(8): B27M1/06B27M1/08
CPCB27M1/06B27M1/08
Inventor 郑园
Owner 江苏思想家教育装备有限公司