CN102463612B - A kind of Wood heat treatment method - Google Patents
A kind of Wood heat treatment method Download PDFInfo
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- CN102463612B CN102463612B CN201010538127.0A CN201010538127A CN102463612B CN 102463612 B CN102463612 B CN 102463612B CN 201010538127 A CN201010538127 A CN 201010538127A CN 102463612 B CN102463612 B CN 102463612B
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- wood
- timber
- kiln
- wood chip
- carbonization
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- Chemical And Physical Treatments For Wood And The Like (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a kind of Wood heat treatment method, it is characterized in that, it comprises the following steps: A, wood surface coating wood chip; B, the timber scribbling wood chip to be stacked in carbonization kiln; C, closedown wicket, be slowly warming up to 75 DEG C, keep temperature, until timber stoving; D, rapid temperature increases kiln temperature to 150 DEG C, keep temperature, until the whole carbonization blackout of the wood chip layer of coating; E, stopping heat supply, when naturally cooling in kiln below 40 DEG C, put in storage timber kiln discharge.The present invention is a kind of heat treatment method being easy to control, and can carry out uniform carburized to timber, to reach wood preservation, insect protected, distortion-free effect.
Description
Technical field
The present invention relates to a kind of Wood treatment method, particularly a kind of heat treatment method to timber.
Background technology
Wood raw material is because moisture content problem, perishable, easily go mouldy, be subject to insect pest, easily deformation.Carbonization is carried out to timber and then can avoid the problems referred to above to a certain extent.For this reason, some can carry out surface carbonation to timber by direct naked light, but this carbonization lack of homogeneity; Also some utilizes carbide furnace to carry out carbonization to timber, but because carbonizing degree is difficult to control, is easy to make timber lose mechanical strength because of undue carbonization, can not as processing raw material.
Summary of the invention
The object of the invention is: a kind of Wood heat treatment method is provided.The invention provides a kind of heat treatment method being easy to control, can carry out uniform carburized to timber, to reach wood preservation, insect protected, distortion-free effect.
Object of the present invention realizes by following technical proposal: a kind of Wood heat treatment method, is characterized in that, it comprises the following steps:
A, wood surface coating wood chip;
B, the timber scribbling wood chip to be stacked in carbonization kiln;
C, closedown wicket, be slowly warming up to 75 DEG C, keep temperature, until timber stoving;
D, rapid temperature increases kiln temperature to 150 DEG C, keep temperature, until the whole carbonization blackout of the wood chip layer of coating;
E, stopping heat supply, when naturally cooling in kiln below 40 DEG C, put in storage timber kiln discharge.
In aforesaid Wood heat treatment method, in step A, wood chip being coated in the method for wood surface, is after wood surface smears natural adhesive, with the form of spraying, wood chip is pasted wood surface.
In aforesaid Wood heat treatment method, described natural adhesive is gelatinized corn starch.
Compared with prior art, the present invention, by wood surface coating wood chip, forming carbonization buffer layer, making timber when carrying out carbonization treatment, not easily undue carbonization, and carbonization effect is more even, and wood chip also can be used as the indicator observed carbonization and whether complete.And apply the natural adhesive that wood chip uses gelatinized corn starch such, due to gelatinized corn starch mainly carbohydrate, when therefore heating in stove, also with wood chip together carbonization, not only will can not produce pernicious gas, but also add the cushioning effect to wood chip carbonization.Method of the present invention, only need observe the carbonization situation that wood chip color just intuitively can understand inner timber, therefore to the control of carbonizing degree definitely, more simply, without the need to carrying out the complicated procedures of forming such as sample detecting to timber in carbonisation.Method of the present invention can make moisture content drop to the half or lower of usual drying method.
Detailed description of the invention
A kind of Wood heat treatment method:
1, after wood surface smears gelatinized corn starch, with the form of spraying, wood chip is pasted wood surface;
2, the timber scribbling wood chip is stacked in carbonization kiln;
3, close wicket, be slowly warming up to 75 DEG C, keep temperature, until timber stoving (moisture content is close to usual drying method);
4, rapid temperature increases kiln temperature to 150 DEG C, keeps temperature, until whole carbonization blackout (moisture content drops to below the half in step 3) of the wood chip layer of coating.
5, stop heat supply, when naturally cooling in kiln below 40 DEG C, timber kiln discharge is put in storage.During warehouse-in, weightlessness 2% ~ 10% when timber comparatively enters kiln.
Claims (1)
1. a Wood heat treatment method, is characterized in that, it comprises the following steps:
A, wood surface coating wood chip;
B, the timber scribbling wood chip to be stacked in carbonization kiln;
C, closedown wicket, be slowly warming up to 75 DEG C, keep temperature, until timber stoving;
D, rapid temperature increases kiln temperature to 150 DEG C, keep temperature, until the whole carbonization blackout of the wood chip layer of coating;
E, stopping heat supply, when naturally cooling in kiln below 40 DEG C, put in storage timber kiln discharge;
In described step A, wood chip being coated in the method for wood surface, is after wood surface smears natural adhesive, with the form of spraying, wood chip is pasted wood surface; Described natural adhesive is gelatinized corn starch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010538127.0A CN102463612B (en) | 2010-11-10 | 2010-11-10 | A kind of Wood heat treatment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010538127.0A CN102463612B (en) | 2010-11-10 | 2010-11-10 | A kind of Wood heat treatment method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102463612A CN102463612A (en) | 2012-05-23 |
| CN102463612B true CN102463612B (en) | 2015-10-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010538127.0A Expired - Fee Related CN102463612B (en) | 2010-11-10 | 2010-11-10 | A kind of Wood heat treatment method |
Country Status (1)
| Country | Link |
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| CN (1) | CN102463612B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103660000A (en) * | 2013-12-24 | 2014-03-26 | 芜湖康尔木业有限责任公司 | Method for producing wooden barrel |
| CN103660001A (en) * | 2013-12-24 | 2014-03-26 | 芜湖康尔木业有限责任公司 | Method for producing wooden barrel |
| CN104441162A (en) * | 2014-09-25 | 2015-03-25 | 阜南县星光工艺品有限公司 | Twig processing method |
| SE540196C2 (en) * | 2016-06-15 | 2018-04-24 | Stora Enso Oyj | Thermally modified wood product and a process for producing said product |
| CN106217532A (en) * | 2016-07-29 | 2016-12-14 | 安徽昌发实业有限公司 | A kind of Wood heat treatment method |
| CN106313250A (en) * | 2016-10-18 | 2017-01-11 | 南京林业大学 | Method for medium-high-temperature mild carbonization and thermal modification of broad-leaved wood for solid wood product |
| CN112405750A (en) * | 2020-09-27 | 2021-02-26 | 杭州永达木业有限公司 | Wood processing technology and heat-treated wood |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101069972A (en) * | 2007-05-28 | 2007-11-14 | 浙江林学院 | Method for producing charred wood by heat treatment |
| CN101224593A (en) * | 2008-02-01 | 2008-07-23 | 中国林业科学研究院木材工业研究所 | Wood heat treatment method |
| CN101450497A (en) * | 2007-12-04 | 2009-06-10 | 王友平 | Wood steam treatment technique |
| CN101450499A (en) * | 2007-11-29 | 2009-06-10 | 曲志强 | Wood carbonization method |
| CN101623887A (en) * | 2009-08-04 | 2010-01-13 | 北京林业大学 | Method for processing wood and wood manufactured by same |
-
2010
- 2010-11-10 CN CN201010538127.0A patent/CN102463612B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101069972A (en) * | 2007-05-28 | 2007-11-14 | 浙江林学院 | Method for producing charred wood by heat treatment |
| CN101450499A (en) * | 2007-11-29 | 2009-06-10 | 曲志强 | Wood carbonization method |
| CN101450497A (en) * | 2007-12-04 | 2009-06-10 | 王友平 | Wood steam treatment technique |
| CN101224593A (en) * | 2008-02-01 | 2008-07-23 | 中国林业科学研究院木材工业研究所 | Wood heat treatment method |
| CN101623887A (en) * | 2009-08-04 | 2010-01-13 | 北京林业大学 | Method for processing wood and wood manufactured by same |
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| Publication number | Publication date |
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| CN102463612A (en) | 2012-05-23 |
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Granted publication date: 20151021 Termination date: 20181110 |