CN107351212B - A kind of method for drying wood - Google Patents
A kind of method for drying wood Download PDFInfo
- Publication number
- CN107351212B CN107351212B CN201710559344.XA CN201710559344A CN107351212B CN 107351212 B CN107351212 B CN 107351212B CN 201710559344 A CN201710559344 A CN 201710559344A CN 107351212 B CN107351212 B CN 107351212B
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- CN
- China
- Prior art keywords
- drying
- wood
- timber
- plank
- warming
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
- B27K5/04—Combined bleaching or impregnating and drying of wood
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/34—Organic impregnating agents
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/14—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects using gases or vapours other than air or steam, e.g. inert gases
Abstract
The present invention relates to a kind of method for drying wood, include the following steps that timber is sawn into the plank of required size by A.；B. plank is placed in wood drying kiln, steam drying is carried out using intermittent warming treatment mode；C. it by after steam drying treated timber cooling down, is put into fuel tank, is impregnated 2-3 days with vegetable oil, then carry out microwave and ultrasound is dried；D. the timber both ends after immersion are wrapped up with tin platinum paper, places ventilation and oil is dried up, obtains finished wood.The present invention uses intermittent heating steam drying, while by vegetable oil immersion treatment, the phenomenon that greatly reducing timber crack.
Description
Technical field
The invention belongs to field of forestry, and in particular to a kind of drying means of timber.
Background technology
With economic development and the improvement of people's living standards, requirement of the people to furniture quality is also higher and higher, no
Only focus on the practicality, while more stringent requirements are proposed to the environment protection health of product.Using conventional artificial's plank as each of base material
Kind of furniture, although meeting people's lives needs whithin a period of time, because often there is environmental issue in it, gradual quilt
Natural wood products are replaced.
The drying of wood is the important link of timber processing, directly affects the quality and utilization rate of timber, is provided in forest
It is particularly important in the case of the day by day shortage of source.And the drying of wood is the important link of wood furniture quality assurance, it is such as dry
The technology requirement under the conditions of domestic and international Different climate is not achieved in quality, easily causes product quality stability poor, cracking, change
Shape and the unstable problem of paint adhesion, particularly, if drying of wood link is untreated good, plank in following process,
The problems such as being susceptible to craze and transfiguration.
The Chinese patent of publication number CN1815115A also discloses a kind of Wood rapid-drying method, and the method is in steam
Wood temperature is first raised to 70 DEG C~98 DEG C under conditions of protective gas, then held for some time, then rapid cooling, then
This process is repeated, using temperature gradient and moisture gradient by Wood rapid-drying.The method is ensuring indehiscent premise
Under the conditions of accelerate rate of drying, and can be energy saving.The Chinese patent of publication number CN106403519A discloses a kind of drying
Method is related to being handled using xeraphium, reduces timber crack rate to a certain extent.In publication number CN102873730A
State's patent discloses a kind of preprocess method shortening the drying of wood time, and the method is handled timber using roll squeezer,
Energy saving with the time that can shorten the drying of wood, device structure is simple and convenient to operate, safe to use, can be reduced and is produced into
This advantages that.
Although disclosing a variety of method for drying wood in the prior art, all there is certain ask in the method for the prior art
Topic especially also needs to improve to the control of the cracking rate of timber.The present invention is dry using intermittent heating and coordinates at vegetable oil
Reason, effectively reduces the cracking rate of plank, and effectively reduce the metaboly of plank.
Invention content
The problems of for the above-mentioned prior art, the present invention provides a kind of drying means of timber, effective to protect
The quality for hindering timber, phenomena such as avoiding the occurrence of cracking, deform, while energy conservation and environmental protection, drying efficiency is improved, the time is shortened.
In order to solve the above technical problems, method for drying wood proposed by the present invention, includes the following steps：
A., timber is sawn into the plank of required size；
B. plank is placed in wood drying kiln, steam drying is carried out using intermittent warming treatment mode；
C. it by after steam drying treated timber cooling down, is put into fuel tank, impregnates 2-3 days with vegetable oil, then
It carries out microwave and ultrasound is dry；
D. the timber both ends after immersion are wrapped up with tin platinum paper, places ventilation and oil is dried up, obtains finished wood.
Further, in the method step B, using intermittent heating mode；The intermittent heating mode is：The
One stage was warming up to 50-65 DEG C by 30 DEG C, and maintained 1-2h in 5-15min；Second stage is warming up in 5-15min
70-85 DEG C, 2-2.5h, phase III is maintained to be warming up to 95-100 DEG C in 10-15min, maintain 1.5-2.5h；It was heating up
Cheng Zhong maintains to be full of saturated vapor in drying of wood room.
Further, as preferred embodiment, the vegetable oil is turpentine oil.
Further, as preferred embodiment, in step C, the power of ultrasonic wave is 0.5~2.5KW, the frequency
For 20~25KHz；The power of microwave is 5~6KW, and the frequency is 1000~3000MHz.
Beneficial effects of the present invention：
Inventor it has been investigated that, intermittent heating steam drying mode through the invention coordinates at vegetable oil immersion
Reason, effectively prevents timber cracking and can reduce the deformation of plank, is conducive to the following process processing of plank, improves plate
Material amount.
Specific implementation mode：
In order to make the present invention method for drying wood object, technical solution and advantage be more clearly understood, to the present invention into
One step is described in detail.It should be appreciated that described herein, specific examples are only used to explain the present invention, is not used to limit this hair
It is bright.
Embodiment 1
A kind of method for drying wood, includes the following steps：
A., China fir is sawn into the plank of required size；
B. plank is placed in wood drying kiln, steam drying is carried out using intermittent warming treatment mode；The intermittent liter
Warm mode is：First stage is warming up to 60 DEG C by 30 DEG C, maintains 2h in 10min；Second stage is warming up in 15min
85 DEG C, 2-2.5h, phase III is maintained to be warming up to 100 DEG C in 10min, maintain 2h；In temperature-rise period, maintain timber dry
It is dry indoor full of saturated vapor.
C. by after steam drying treated timber cooling down, be put into fuel tank, impregnate 2 days with turpentine oil, then into
Row microwave and ultrasound are dry；The power of ultrasonic wave is 1.5KW, and the frequency is 20KHz；The power of microwave is 5KW, the frequency
For 3000MHz.
D. the timber both ends after immersion are wrapped up with tin platinum paper, places ventilation and oil is dried up, obtains finished wood.
Embodiment 2
A kind of method for drying wood, includes the following steps：
A., China fir is sawn into the plank of required size；
B. plank is placed in wood drying kiln, steam drying is carried out using intermittent warming treatment mode；Intermittent heating mode
For：First stage is warming up to 65 DEG C by 30 DEG C, maintains 1.5h in 15min；Second stage is warming up to 80 in 10min
DEG C, maintain 2h, phase III to be warming up to 100 DEG C in 15min, maintain 2h；In temperature-rise period, maintain in drying of wood room
Full of saturated vapor.
C. by after steam drying treated timber cooling down, be put into fuel tank, impregnate 3 days with turpentine oil, then into
Row microwave and ultrasound are dry；The power of ultrasonic wave is 2.5KW, and the frequency is 25KHz；The power of microwave is 6KW, the frequency
For 2000MHz.
D. the timber both ends after immersion are wrapped up with tin platinum paper, places ventilation and oil is dried up, obtains finished wood.
In order to compare effect of the present invention, selects and carry out following contrast test with a batch of China fir：
Comparative example 1
Compared with Example 1, step 2) rises temperature manner difference, using linear temperature increase mode, heats up in the corresponding time
To 100 DEG C, other steps are identical.
Comparative example 2
Compared with Example 2, the step of vegetable oil impregnates is saved, other operations are essentially identical.
Comparative example 3
It is dried according to the method for patent application CN201610495176.8.
It is corresponding that the results are shown in Table 1：
The effect of the different method for drying wood of table 1
| Group | Season cracking rate % | Board quality after drying |
| Embodiment 1 | 0.5 | Surface is smooth, no deformation |
| Embodiment 2 | 0.4 | Surface is smooth, no deformation |
| Comparative example 1 | 1.7 | Surface is smooth, and part deforms |
| Comparative example 2 | 0.8 | Surface is slightly rough, and minute quantity is without deformation |
| Comparative example 3 | 1.3 | Surface is smooth, a small amount of to deform |
As it can be seen from table 1 the plank being dried using the application method for drying wood, can effectively reduce cracking rate,
And distortion free can efficiently use timber, ensure furniture quality.
The method for drying wood of the present invention first uses intermittent heating mode steam drying, is used in combination vegetable oil to impregnate progress micro-
Involve ultrasonic drying, effectively controls the cracking rate and metaboly of plank；It ensure that board quality, be suitable for industrially to plate
The processing of material ensures the quality of furniture.
Claims (3)
1. a kind of method for drying wood, which is characterized in that include the following steps：
A., timber is sawn into the plank of required size；
B. plank is placed in wood drying kiln, steam drying is carried out using intermittent warming treatment mode；The intermittent heating side
Formula is：First stage is warming up to 50-65 DEG C by 30 DEG C, maintains 1-2h in 5-15min；Second stage, in 5-15min,
It is warming up to 70-85 DEG C, 2-2.5h, phase III is maintained to be warming up to 95-100 DEG C in 10-15min, maintain 1.5-2.5h；
In temperature-rise period, maintain to be full of saturated vapor in drying of wood room；
C. it by after steam drying treated timber cooling down, is put into fuel tank, is impregnated 2-3 days with vegetable oil, then carried out
Microwave and ultrasound are dry；
D. the timber both ends after immersion are wrapped up with tin platinum paper, places ventilation and oil is dried up, obtains finished wood.
2. method for drying wood according to claim 1, which is characterized in that the vegetable oil is turpentine oil.
3. the method for drying wood according to one of claims 1 or 2, which is characterized in that in step C, the power of ultrasonic wave
For 0.5~2.5KW, frequency is 20~25KHz；The power of microwave is 5~6KW, and frequency is 1000~3000MHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710559344.XA CN107351212B (en) | 2017-07-11 | 2017-07-11 | A kind of method for drying wood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710559344.XA CN107351212B (en) | 2017-07-11 | 2017-07-11 | A kind of method for drying wood |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107351212A CN107351212A (en) | 2017-11-17 |
| CN107351212B true CN107351212B (en) | 2018-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710559344.XA Active CN107351212B (en) | 2017-07-11 | 2017-07-11 | A kind of method for drying wood |
Country Status (1)
| Country | Link |
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| CN (1) | CN107351212B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108858568A (en) * | 2018-08-10 | 2018-11-23 | 安徽信达家居有限公司 | A kind of processing and treating method improving timber stability and waterproof performance |
| CN110303564A (en) * | 2019-06-11 | 2019-10-08 | 安徽省家好家节能门窗有限公司 | A method of China fir log dimensional stability is improved based on hot oil processing |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104654742A (en) * | 2014-06-11 | 2015-05-27 | 梁未 | Method for drying plates |
| WO2016161250A2 (en) * | 2015-04-01 | 2016-10-06 | University Of Houston System | Wood drying and preservation methods |
| CN106142266A (en) * | 2016-06-30 | 2016-11-23 | 成都华聚杨武家具有限公司 | A kind of wood material for furniture drying means |
| CN106393342A (en) * | 2016-09-28 | 2017-02-15 | 玉溪加宝生物能源有限公司 | Drying method for wood |
-
2017
- 2017-07-11 CN CN201710559344.XA patent/CN107351212B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104654742A (en) * | 2014-06-11 | 2015-05-27 | 梁未 | Method for drying plates |
| WO2016161250A2 (en) * | 2015-04-01 | 2016-10-06 | University Of Houston System | Wood drying and preservation methods |
| CN106142266A (en) * | 2016-06-30 | 2016-11-23 | 成都华聚杨武家具有限公司 | A kind of wood material for furniture drying means |
| CN106393342A (en) * | 2016-09-28 | 2017-02-15 | 玉溪加宝生物能源有限公司 | Drying method for wood |
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| Publication number | Publication date |
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| CN107351212A (en) | 2017-11-17 |
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Effective date of registration: 20200806 Address after: Shuanghu road Gaochun Economic Development Zone in Nanjing City, Jiangsu Province, No. 121 210000 Patentee after: Haitai Olin Group Co.,Ltd. Address before: 410004 No. 498 South Shaoshan Road, Hunan, Changsha Patentee before: CENTRAL SOUTH University OF FORESTRY AND TECHNOLOGY |
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Address after: No. 121 Shuanghu Road, Gaochun Economic Development Zone, Nanjing City, Jiangsu Province, 210000 Patentee after: Haitai Olin Group Co.,Ltd. Address before: No. 121 Shuanghu Road, Gaochun Economic Development Zone, Nanjing City, Jiangsu Province, 210000 Patentee before: Haitai Olin Group Co.,Ltd. |