Process for wood torrefaction, and construction material produced therefrom

A carbonization and process technology, which is applied in the field of wood carbonization process and the building materials it produces, can solve the problems of waste and cost, difficulty in controlling the method, lack of consistency, etc.
CN106573281AActive Publication Date: 2017-04-19宿州第威木构工程有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
宿州第威木构工程有限公司
Publication Date
2017-04-19

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Abstract

The present disclosure includes methods for enhancing hardness and dimensional stability of a wood element. In one embodiment, the method includes placing the wood element in a compression assembly set to a compression temperature between about 120 DEG C and about 230 DEG C in a temperature cycling matter and cooling it slowly under low atmospheric pressure.
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Description

[0001] Cross-reference related patent applications

[0002] This application claims priority to prior patent application US 62 / 069,921, filed October 29, 2014, the specification of which is hereby incorporated by reference in its entirety. Background technique

[0003] Charring is a gentle way of cracking down liquid wax, tar and dust and extracting their volatile components. These compounds are harmful to the environment and need to be destroyed or recycled according to specific processes. The present invention discloses a production process of how to control the waste of chemical compounds and safely convert them into renewable energy.

[0004] Charring is a process that is known to make wood more durable. Simply burning the surface of the wood can make it more durable. The key to this invention is to improve wood quality and durability by improving the charring process.

[0005] Charring involves heating wood at very high temperatures, usually from 190°C to 240°C, in a ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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