Fast growing wood flame retardant enhanced solid wood section material and its manufacturing method

A manufacturing method and technology of fast-growing wood, which are applied in the directions of manufacturing tools, wood compression, wood treatment, etc., can solve the problems of poor dimensional stability of flame-retardant profiles, not resistant to decay, service life, prone to mildew and blue change, etc., and achieve dimensional stability. Good effect, strong corrosion resistance and weather resistance, and low production cost

Inactive Publication Date: 2013-01-09
贵州保城新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the production process of this method is complicated, the production cost is high, and the flame-retardant profiles obtained have poor dimensional stability, or are prone to mildew and blue stains, or are not resistant to decay and have short service life.

Method used

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  • Fast growing wood flame retardant enhanced solid wood section material and its manufacturing method
  • Fast growing wood flame retardant enhanced solid wood section material and its manufacturing method
  • Fast growing wood flame retardant enhanced solid wood section material and its manufacturing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] (1) Carbonization step: select masson pine sawn timber, and dry it with a moisture content of 12% according to a conventional drying method. Then stack the wood neatly and press 1t / m on the top of the wood pile 2 The standard pressurized steel plate frame pours concrete briquettes, and then puts them into wood carbonization equipment, heats up and humidifies rapidly, the temperature rises to 90°C, and the humidity is humidified to 80% relative humidity, keep for 4 hours, and then use the stepwise heating method according to Raise the temperature to 125°C at a rate of 20°C / h and keep it for 4 hours. At this time, the relative humidity is 100%. Then use a stepwise heating method to raise the temperature to 200°C at a rate of 15°C / h and keep it at the highest temperature for 4 hours. After the end, use the method of spraying atomized water to quickly cool down the wood until the temperature in the carbonization equipment is less than 120°C, stop the kiln to complete the ca...

Embodiment 2

[0048] (1) Carbonization step: select poplar sawn timber, and dry it with a moisture content of 5% according to a conventional drying method. Then stack the wood neatly and press 1t / m on the top of the wood pile 2 The standard pressurized steel frame pours concrete briquettes, and then puts them into the wood carbonization equipment, heats up and humidifies rapidly, the temperature rises to 80°C, and the humidity is humidified to 70% relative humidity, keep for 2 hours, and then adopt the stepwise heating method according to Raise the temperature to 135°C at a rate of 10°C / h and keep it for 2 hours. At this time, the relative humidity is 100%. Then use a stepwise heating method to raise the temperature to 175°C at a rate of 8°C / h and keep it at the highest temperature for 2 hours. After the end, use the method of spraying atomized water to quickly cool down the wood until the temperature in the carbonization equipment is less than 120°C, stop the kiln to complete the carboniza...

Embodiment 3

[0060] (1) Carbonization step: select the radiata pine sawn timber, and dry it with a moisture content of 8% according to a conventional drying method. Then stack the wood neatly and press 1t / m on the top of the wood pile 2 The standard pressurized steel plate frame pours concrete briquettes, and then puts them into wood carbonization equipment, heats up and humidifies rapidly, the temperature rises to 85°C, and the humidity is humidified to 75% relative humidity, keep for 3 hours, and then adopt the stepwise heating method according to Raise the temperature to 130°C at a rate of 15°C / h and keep it for 3 hours. At this time, the relative humidity is 100%. Then use a stepwise heating method to raise the temperature to 190°C at a rate of 12°C / h and keep it at the highest temperature for 3 hours. After the end, use the method of spraying atomized water to quickly cool down the wood until the temperature in the carbonization equipment is less than 110°C, stop the kiln to complete ...

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Abstract

The invention relates to a wood function modification method, especially to a fast growing wood flame retardant enhanced solid wood section material which is modified by a treatment technology including wood carbonization, flame retardant enhancement and heat treatment for fixation and a manufacturing method thereof, specifically to a fast growing wood flame retardant enhanced solid wood section material and its manufacturing method, and belongs to the technical field of wood function modification and wood processing. The manufacturing method of the fast growing wood flame retardant enhanced solid wood section material comprises the following steps of: (1) carbonization; (2) flame retardant treatment; (3) drying; (4) surface enhancement; and (5) heat treatment for fixation. In comparison with the prior art, the technical scheme provided by the invention has the following advantages of simple production technology, large output, low energy consumption, large outturn percentage, low production cost and the like. The processed flame retardant enhanced solid wood section material has more outstanding advantages of: flame retardance, enhanced surface, stable dimension, corrosion resistance, weather resistance, visualized veins and saturated color.

Description

technical field [0001] The invention relates to a method for improving wood functionality, in particular to a fast-growing wood flame-retardant reinforced solid wood profile improved by such treatment processes as wood carbonization, flame-retardant enhancement, and heat treatment and fixation, and a manufacturing method thereof, in particular to a fast-growing wood flame-retardant Reinforced solid wood profiles and a manufacturing method thereof belong to the technical fields of wood functional improvement and wood processing. Background technique [0002] Chinese patent document CN1868704A discloses a technical patent of "a wood carbonization treatment method". The manufacturing method includes a. 2 The standard pressurized steel plate frame pours concrete briquettes, and then puts them into the wood carbonization equipment; b. In the wood carbonization equipment, adopt a step-type continuous heating method, and increase the temperature by 3 to 7 °C every 4 to 6 hours. 12...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B27K5/04B27K5/00B27K3/02B27K3/16B27M1/06B27M1/02
Inventor 不公告发明人
Owner 贵州保城新材料有限公司
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