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Method for processing root carving and timber pier by using rubber tree log and root material

A processing method and rubber tree technology, applied in wood processing appliances, wood treatment, wood heat treatment and other directions, can solve the problems of insufficient color, texture, density and dimensional stability, low added value, decay and other problems, and achieve elegant color and pattern. Equilibrium moisture content stability, wood dimensional stability effect

Active Publication Date: 2021-11-30
RUBBER RES INST CHINESE ACADEMY OF TROPICAL AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, rubber tree logs are usually processed in the form of planks and square strips, chemically preserved and kiln-dried as sawn timber, and sold to wood products companies such as solid wood furniture. Small logs of tree roots and branches are generally crushed and used as particleboard raw materials, which are difficult to directly use as raw materials. The use of solid wood boards has low added value. After the trees are felled, they generally need to be processed, preserved and dried within 1-2 weeks, otherwise the wood is prone to blue stains, moths and decay
[0004] Nowadays, people gradually love the natural form of wood, such as using small-diameter logs as interior decoration walls, or using small-diameter logs such as rosewood and boxwood to make follow-up pen holders, or loving the roots of nanmu and camphor wood to make coffee tables and Drum stools, etc., but the resources of such precious tree species are gradually decreasing, and the fast-growing wood of ordinary plantations is rarely used as materials for carving and handicrafts due to its lack of color, texture, density and dimensional stability.

Method used

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  • Method for processing root carving and timber pier by using rubber tree log and root material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] 1), rubber tree root cleaning, removal of mud, root diameter 40-80cm, length 50-100cm, initial moisture content 70-80%, quantity 20;

[0030] 2) Put the tree roots on the timber cart, stack them and fix them properly with steel ropes, keep them stable, and wait for drying and high temperature treatment;

[0031] 3) Put the stacked tree roots into the wood high-temperature drying treatment kiln, heat, and pass in steam to raise the temperature to 90°C, continue heating during the day, shut down the kiln at night, cool down naturally to 50°C, close the intake and exhaust ports or Slightly open, repeat operation for 7 days, increase the kiln temperature and feed steam, heat up to 120°C, continue heating during the day, shut down the kiln at night, naturally cool down to 85°C, close the intake and exhaust ports, and process for 48 hours, then raise the kiln again Temperature to 155°C, treatment time 24 hours, air intake and exhaust ports closed, temperature lowered to 85°C,...

Embodiment 2

[0034] 1), rubber tree logs are cleaned to remove mud, the log diameter is 50-70cm, the length is 200-230cm, the quantity is 5 sections, and the initial moisture content is 60-70%;

[0035] 2), put the logs on the timber cart, stack them and separate them with spacers, and wait for drying and high temperature treatment;

[0036] 3) Put the stacked logs into the wood high-temperature drying kiln, heat them, and pass in steam to raise the temperature to 80°C, continue heating during the day, shut down the kiln at night, cool down naturally to 55°C, close the intake and exhaust ports or slightly Turn on, repeat the operation for 7 days, increase the kiln temperature and feed steam, heat up to 115°C, continue heating during the day, shut down the kiln at night, naturally cool down to 80°C, close the intake and exhaust ports, and process for 72 hours, then increase the kiln temperature again To 150°C, the processing time is 24 hours, the intake and exhaust ports are closed, the tem...

Embodiment 3

[0039] 1) Clean the rubber wood log and remove the mud. The diameter of the log is 10-20cm, the length is 200-300cm, the quantity is 100 sections, and the initial moisture content is 50-60%;

[0040] 2), put the logs on the timber cart, stack them and separate them with spacers, and wait for drying and high temperature treatment;

[0041] 3) Put the stacked logs into a wood high-temperature drying kiln, heat them, and pass in steam to raise the temperature to 87°C, continue heating during the day, shut down the kiln at night, cool down naturally to 57°C, close the intake and exhaust ports or slightly Turn on, repeat the operation for 3 days, increase the temperature of the kiln and feed steam, raise the temperature to 125°C, continue heating during the day, shut down the kiln at night, and naturally cool down to 90°C, close the intake and exhaust ports, process for 24 hours, and increase the kiln temperature again To 157°C, the processing time is 12 hours, the intake and exhau...

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Abstract

The invention belongs to the technical field of wood processing, and relates to a rubber tree log material processing and producing method, in particular to a method for processing a root carving and a timber pier by using a rubber tree log and a root material. The rubber tree root and log are treated through special drying process, the traditional drying defects are overcome, and the rubber wood log and the root material produced by the method have the characteristics of stable wood size, difficulty in deformation and suitability for producing products such as root sculptures, pen containers and wood piers.

Description

technical field [0001] The invention relates to the field of rubber tree wood processing, in particular to a root carving and wooden pier processing method for rubber tree logs and tree roots. Background technique [0002] Rubber trees (Hevea brasiliensis) are planted in large quantities in tropical my country and Southeast Asia. The rubber wood logs produced by rubber plantations in my country exceed 2 million cubic meters every year. Rubber wood is a diffuse-porous wood, easy to process, and has a pleasing texture. It is currently widely used in furniture and interior decoration, and is an important plantation wood in tropical my country. Due to artificial cultivation, trees grow faster, logs contain 6%-10% starch and 1-2% soluble sugar, and the wood is prone to decay, insects and mildew. At present, enterprises use boride and chemical antifungal agent for pressure impregnation treatment, and then conventional kiln drying process to produce commercial sawn timber, general...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B27M3/00B27M1/08B27K5/00
CPCB27M3/00B27M1/08B27K5/0085
Inventor 李家宁李雅超李冠君李彤彤李晓文秦绍山李民蒋汇川陆全济韦兆玖陈翠
Owner RUBBER RES INST CHINESE ACADEMY OF TROPICAL AGRI SCI
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