Wood plate compressing densification and carbonization technology

A wood plank and carbonization technology, which is applied in the direction of wood compression, charcoal burning/combustion, etc., can solve the problems of low utilization rate, increased cost consumption, environmental pollution, etc., to improve the production process level, reduce production costs, and ensure flatness Effect

Inactive Publication Date: 2014-07-02
李启山 +1
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  • Abstract
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Problems solved by technology

In addition, in the prior art, it is proposed to use ammonia water to soften the wood when hot-pressing wood boards, but this is an undesirable softening method. On the one hand, the ammonia water infiltrated into the wood will evaporate quickly when heated, and the utilization rate is extremely low. Unreasonably increased cost consumption, on the other hand, the volatilized ammonia water will cause environmental pollution

Method used

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  • Wood plate compressing densification and carbonization technology
  • Wood plate compressing densification and carbonization technology
  • Wood plate compressing densification and carbonization technology

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Embodiment Construction

[0013] See attached figure 1 , a technology for compressing, densifying, shaping and carbonizing wood boards disclosed by the present invention is characterized in that: the moisture content of the wood boards to be compressed is lower than 8% but higher than 4%, and the density is lower than 0.4g / cm 3 Densify it by hot pressing to a density of 0.75g / cm 3 The production method of this compression densification setting and carbonized wood board is taken as an example, utilizes the far-infrared ray thermometer to measure these two kinds of wood boards between the upper and lower hot pressing boards of the hot press by the heat conduction speed of the hot pressing board to the middle of the wood board and through Pressure test to measure the heating softening point of wood boards with different densities, thicknesses, and heats to master the two parameters of heating softening temperature and time required for compressed and densified wood boards. After that, for moisture content...

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Abstract

The invention discloses a wood plate compressing densification and carbonization technology and belongs to the technical field of wood densification and modifying machining. The technology is characterized in that through a provided secondary releasing type pressing method program, a provided multi-time releasing type pressing method program and a provided follow-up type heat collecting pressing method program for producing compressing densification and carbonization wood plates and a straightening binding stacking gradual-change cooling method, the existing technology level can be improved, and the compressing densification and carbonization wood plates can be manufactured. The innovativeness and the practicability are that the shortcomings of the prior art are overcome, production efficiency is high, the straightness is guaranteed, and production cost is greatly lowered.

Description

technical field [0001] The invention discloses a compressed, densified, shaped and carbonized wood board, which belongs to the technical field of densified and modified wood processing. Background technique [0002] In the prior art, in terms of patent applications, someone has proposed a method for producing compressed carbonized wood boards (the patent application number is: ① 200910024634x; ② 2001102050682; ③ 2009102342483. It is characterized in that: after the poplar wood is softened with ammonia water, it is compressed, and then hot pressed The machine carries out compressed carbonization treatment to the planks under the premise of keeping the moisture content not less than 6%, and proposes that the time required for each batch of planks to be compressed and carbonized is 2 to 8 hours. And these disclosed technologies, the compressed planks adopted The method belongs to the follow-up compression method. The so-called follow-up compression method is to set the required...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B27M1/02B27M1/06
Inventor 李启山李容毅
Owner 李启山
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