CN106393342A - Drying method for wood - Google Patents

Drying method for wood Download PDF

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Publication number
CN106393342A
CN106393342A CN201610857856.XA CN201610857856A CN106393342A CN 106393342 A CN106393342 A CN 106393342A CN 201610857856 A CN201610857856 A CN 201610857856A CN 106393342 A CN106393342 A CN 106393342A
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China
Prior art keywords
drying
wood
timber
bulb temperature
dry
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Granted
Application number
CN201610857856.XA
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Chinese (zh)
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CN106393342B (en
Inventor
赵红伟
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Yuxi Wande Energy Technology Co., Ltd.
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Yuxi Bao Bao Biological Energy Co Ltd
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Priority to CN201610857856.XA priority Critical patent/CN106393342B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27KPROCESSES, 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
    • B27K3/00Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
    • B27K3/02Processes; Apparatus
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27KPROCESSES, 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
    • B27K3/00Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
    • B27K3/02Processes; Apparatus
    • B27K3/12Impregnating by coating the surface of the wood with an impregnating paste
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27KPROCESSES, 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
    • B27K5/00Treating of wood not provided for in groups B27K1/00, B27K3/00
    • B27K5/001Heating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27KPROCESSES, 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
    • B27K5/00Treating of wood not provided for in groups B27K1/00, B27K3/00
    • B27K5/003Treating of wood not provided for in groups B27K1/00, B27K3/00 by using electromagnetic radiation or mechanical waves
    • B27K5/006Vibrations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27KPROCESSES, 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
    • B27K5/00Treating of wood not provided for in groups B27K1/00, B27K3/00
    • B27K5/003Treating of wood not provided for in groups B27K1/00, B27K3/00 by using electromagnetic radiation or mechanical waves
    • B27K5/0065Ultrasonic treatment
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27KPROCESSES, 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
    • B27K5/00Treating of wood not provided for in groups B27K1/00, B27K3/00
    • B27K5/04Combined bleaching or impregnating and drying of wood

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

The invention discloses a drying method for wood. The drying method comprises the following steps that A, the wood is pre-planed, and the wood is cut into boards with the same size; B, the pre-planed wood is soaked with brine; C, the wood soaked with the brine is wrapped with tin foil paper and baked; D, the baked wood is coated with a wood anti-cracking agent, and then the wood is subjected to microwave and ultrasonic drying; and E, the wood obtained after microwave and ultrasonic drying is performed is subjected to thermal convection drying. By the adoption of the drying method for the wood, the moisture in the wood can be dried effectively, and the moisture content of the wood is less than 8.5% and meets the dry standard; the phenomena of cracking, deformation, bending and warping of the wood and the like can be avoided; the drying speed of the wood can be increased effectively, the time is shortened, the cost is lowered, and the stable mass production of the wood is achieved; and the quality of the obtained wood is stable, and the error between the moisture content and the target moisture content of dried products is small.

Description

A kind of drying means of timber
Technical field
The invention belongs to agricultural field is and in particular to a kind of drying means of timber.
Background technology
The drying of wood is the important step of timber processing, directly affects quality and the utilization rate of timber, in forest money It is particularly important in the case of the day by day shortage of source.The drying of wood furniture material does not pass a test, and such as dry mass does not reach both at home and abroad Technical requirements under the conditions of Different climate, easily cause product quality stability poor, and cracking, deformation and PASS are not Firm problem.Meanwhile, the moisture of wood internal is difficult drying and causes the perishability of timber and easy corrosion.If additionally, being dried During unreasonable, especially easily cause deformation, bending and the cracking of timber in rapid draing, cause the decline of wood quality And waste.Therefore, wood drying quality, fall are to ensure that using rational method for drying wood and improvement drying of wood control technology Low energy expenditure and the important measures of cost, are also one of research topic of Chinese scholars extensive concern.
Content of the invention
For the problems of above-mentioned prior art, it is an object of the invention to provide a kind of drying means of timber, no It is only capable of ensureing the quality of timber, it is to avoid the phenomenon such as cracking, deformation, energy-conserving and environment-protective simultaneously, improve drying efficiency, during shortening Between moreover it is possible to reach the moisture requirement of timber.
Technical scheme proposed by the present invention:
A kind of method for drying wood, comprises the following steps:
A. timber is carried out pre- plane, timber is cut into plank of the same size;
B. by the timber saline sook of pre- plane;
C. the timber crossed with saline sook is wrapped up with masking foil, and toasted;
D. the timber toasting is smeared anti-cracking agent of wood, then carry out microwave and ultrasonic drying;
E. microwave and ultrasonic dried timber are carried out thermal convection current drying.
Further, described step A is that even level is mutually vertical with the timber of odd-level to the laying method of timber in step E Directly, in well shape, the distance between described timber is 0.2~0.5m.Timber is put in well shape, be conducive to increase timber with The contact area of dry environment, accelerates being placed with beneficial to timber of the air circulation between timber, quickening rate of drying, and well shape Uniform force, it is to avoid the deformation of timber.
Further, in described step B, salt solution is saturated brine.
Further, in described step C, the temperature of baking is 170~250 DEG C;The time of baking is 0.5~1 hour.
Further, first the timber crossed with saline sook is smeared after anti-cracking agent of wood in described step C, then use masking foil Parcel, and toasted.
Further, described anti-cracking agent of wood includes the mixture of turpentine oil and camphor, by weight, turpentine oil 60~ 80 parts, 20~40 parts of camphor.
Further, the control condition of described step D microwave and ultrasonic drying is:The power of ultrasonic wave is 1~3KW, institute Stating frequency is 20~28KHz;The power of microwave is 1~5KW, and described frequency is 1000~3000MHz.
Further, the control dry environment of described step D microwave and ultrasonic drying is:Absolute pressure 0.02~ 0.08MPa, 70~80 DEG C of dry-bulb temperature, 8~10 DEG C of wet-bulb temperature;1~3 hour drying time.
Further, described step E thermal convection current drying process is divided into 5 stages, and the concrete control condition in each stage is:
1)Control dry environment is 30~40 DEG C of dry-bulb temperature, 25~30 DEG C of wet-bulb temperature;Drying time is 6~12 hours;
2)Control dry environment is 40~50 DEG C of dry-bulb temperature, 20~25 DEG C of wet-bulb temperature;Drying time is 6~12 hours;
3)Control dry environment is 50~60 DEG C of dry-bulb temperature, 15~20 DEG C of wet-bulb temperature;Drying time is 6~12 hours;
4)Control dry environment is 60~70 DEG C of dry-bulb temperature, 10~15 DEG C of wet-bulb temperature;Drying time is 6~12 hours;
5)Control dry environment is 70~80 DEG C of dry-bulb temperature, 5~10 DEG C of wet-bulb temperature;Drying time is 6~12 hours.
Further, the dry environment of described step E thermal convection current drying process is:Absolute pressure is 0.02~0.08MPa.
Timber has been carried out pre- plane and has processed by the present invention, shortens the arid cycle of timber, the drying of wood is greatly lowered and produces Raw energy consumption, prevents buckling deformation in dry run for the wood plank.The thickness of degree sheet material is consistent, then whole wood planks will Clamped by parting bead, such that it is able to preventing or reducing the buckling deformation in dry run.Timber is cut into thickness For 22mm~30mm, in can effectively preventing from being dried, the cracking of wood surface, increases the effective capacity of hothouse.
Applicant it has been investigated that, with the timber of the pre- plane of saline sook not only can effectively prevent timber cracking, The phenomenons such as deformation are moreover it is possible to make timber have anti-corrosion, mothproof, insect protected characteristic, and can accelerate dry speed, wherein, salt After water evaporation, crystallization goes out salinity, can effectively absorb the moisture of wood internal, accelerates the rate of drying of timber.And adopt saturation Salt solution can farthest ensure the anti-corrosive properties of the drying of wood and accelerate rate of drying.
Applicant it has been investigated that, with masking foil parcel timber toasted;The moisture that wood internal can be made fully is heated, Not only accelerate dry speed, save time and energy.And can also make timber internal/external heating uniformly, be conducive to timber to mould Property, effectively reduce and avoid the phenomenon ftractureing, deforming, bend.When timber is heated inequality, heat is uneven, makes water inside and outside timber Divide evaporation uneven, be easily caused the deformation of timber, easily ftracture and bend.Meanwhile, it is also beneficial to timber and absorbs salt solution, strengthen Its anti-corrosive properties and insect protected.
Present invention microwave drying, can make the drying from inside to outside of the moisture of timber, and use ultrasonic in combination microwave drying, energy The vibration moisturizing and evaporation, accelerate the rate of drying of timber, significantly improve efficiency.And smear timber in wood surface and prevent Split agent, can effectively avoid the deformation of timber, in addition in the presence of microwave and ultrasound, timber can be made effectively to absorb anticracking Agent, makes anti-cracking agent of wood effectively immerse wood internal, is conducive to the preservation of timber against decay, insect resistance and insect protected, additionally, also having Plasticity beneficial to timber.
Using interim convective drying technique, the control condition of dry environment and the drying regime phase one of timber can be made Cause, can effectively ensure the form of timber, shorten drying time.
And during microwave and ultrasonic drying and convective drying technique, it is set to subnormal ambient, moisture can be conducive to Evaporation, effectively improves dry speed.
Beneficial effects of the present invention:
Drying more comprehensively, more rationally to timber can be realized using method for drying wood of the present invention, can not only be effective The moisture of wood internal is dried, makes the moisture of timber reach dry standard less than 8%.Also it is avoided that timber occurs out The phenomenon such as split, deform, bending, raising one's head and looking, reaching outer appearance looks elegant, indeformable, non-discoloring technique effect.Additionally, energy of the present invention Effectively improve the rate of drying of timber, shorten time and reduces cost, by the accurate temperature of each technique and humidity Technology controlling and process is it is achieved that stable amount of wood metaplasia is produced;The lumber quality obtaining is stable, and the moisture content of desciccate and target contain Error between water rate is less.And the higher target product of dry mass, as needed, the moisture content of final products can be obtained The quality standard less than 8.5% can be reached, meet the lumber quality standard that timber is processed further with needs.
Additionally, the present invention has good protective action to wood surface, can effectively prevent and reduce timber Free water, exhale Water suction leads to contraction and the expansion of lumber fibre conduit because of climate change.Can prevent and reduce indivedual arid areas because of timber contracting Timber end caused by water is dry and cracked and the phenomenon such as surface checking, and humid area because timber caused by lumber fibre tube swelling curved Stick up and crack phenomenon, and be effectively reduced the end rupture caused by timber rapid draing and surface crack, the phenomenon such as dry and cracked.Suitable With scope wide, penetration is strong, moistening effect good, adapt to various wet difference ring borders, and make timber have good Anticorrosive Character And insect protected characteristic.Improve the stability of timber, extend the service life of timber.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, the present invention is described in more detail. It should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Embodiment 1
A kind of method for drying wood, comprises the following steps:
A. timber is carried out pre- plane, timber is cut into plank of the same size;Wherein, the thickness that is cut into of timber is 22mm.
B. the timber of pre- plane is soaked 1 day with saturated brine.
C. the timber crossed with saline sook is wrapped up with masking foil, and toasted;Wherein, the temperature of baking is 170 ℃;The time of baking is 1 hour.
D. the timber toasting is smeared anti-cracking agent of wood, then carry out microwave and ultrasonic drying;Wherein, described wood Material anti-cracking agent includes the mixture of turpentine oil and camphor, by weight, 75 parts of turpentine oil, 25 parts of camphor.Microwave and ultrasonic drying Control condition be:The power of ultrasonic wave is 1KW, and described frequency is 20KHz;The power of microwave is 1KW, and described frequency is 1000MHz.Dry environment is:Absolute pressure 0.02MPa, 70 DEG C of dry-bulb temperature, 8 DEG C of wet-bulb temperature;1 hour drying time.
E. microwave and ultrasonic dried timber are carried out thermal convection current drying.This technique is further divided into 5 stages, respectively The concrete control condition in stage is:
1)Control dry environment is 30 DEG C of dry-bulb temperature, 25 DEG C of wet-bulb temperature;Drying time is 6 hours;
2)Control dry environment is 40 DEG C of dry-bulb temperature, 20 DEG C of wet-bulb temperature;Drying time is 6 hours;
3)Control dry environment is 50 DEG C of dry-bulb temperature, 15 DEG C of wet-bulb temperature;Drying time is 6 hours;
4)Control dry environment is 60 DEG C of dry-bulb temperature, 10 DEG C of wet-bulb temperature;Drying time is 6 hours;
5)Control dry environment is 70 DEG C of dry-bulb temperature, 5 DEG C of wet-bulb temperature;Drying time is 6 hours.
Wherein, described step A is mutually perpendicular to the timber of odd-level to the laying method of timber in step E for even level, In well shape, the distance between described timber is 0.2m.
Embodiment 2
A kind of method for drying wood, comprises the following steps:
A. timber is carried out pre- plane, timber is cut into plank of the same size;Wherein, the thickness that is cut into of timber is 30mm.
B. the timber of pre- plane is soaked 1 day with saturated brine.
C. first the timber crossed with saline sook is smeared after anti-cracking agent of wood, then wrapped up with masking foil, and toasted. Wherein, the temperature of baking is 250 DEG C;The time of baking is 0.5 hour.Wherein, described anti-cracking agent of wood include turpentine oil and The mixture of camphor, by weight, 60 parts of turpentine oil, 40 parts of camphor.
D. the timber toasting is smeared anti-cracking agent of wood, then carry out microwave and ultrasonic drying;Wherein, described wood Material anti-cracking agent includes the mixture of turpentine oil and camphor, by weight, 60 parts of turpentine oil, 40 parts of camphor.Microwave and ultrasonic drying Control condition be:The power of ultrasonic wave is 3KW, and described frequency is 28KHz;The power of microwave is 5KW, and described frequency is 3000MHz.Dry environment is:Absolute pressure 0.08MPa, 80 DEG C of dry-bulb temperature, 10 DEG C of wet-bulb temperature;3 hours drying times.
E. microwave and ultrasonic dried timber are carried out thermal convection current drying.Wherein, the absolute pressure of thermal convection current dry environment Power is 0.08MPa.This technique is further divided into 5 stages, and the concrete control condition in each stage is:
1)Control dry environment is 40 DEG C of dry-bulb temperature, 30 DEG C of wet-bulb temperature;Drying time is 12 hours;
2)Control dry environment is 50 DEG C of dry-bulb temperature, 25 DEG C of wet-bulb temperature;Drying time is 12 hours;
3)Control dry environment is 60 DEG C of dry-bulb temperature, 20 DEG C of wet-bulb temperature;Drying time is 12 hours;
4)Control dry environment is 70 DEG C of dry-bulb temperature, 15 DEG C of wet-bulb temperature;Drying time is 12 hours;
5)Control dry environment is 80 DEG C of dry-bulb temperature, 10 DEG C of wet-bulb temperature;Drying time is 12 hours.
Wherein, described step A is mutually perpendicular to the timber of odd-level to the laying method of timber in step E for even level, In well shape, the distance between described timber is 0.5m.
The present embodiment is first smeared after anti-cracking agent of wood to the timber crossed with saline sook, then is wrapped up with masking foil, and carries out Baking.Timber can be made to fully absorb anti-cracking agent during baking, contribute to suppressing the cracking of timber, and strengthen anti-corrosion Property and insect protected.
Embodiment 3
A kind of method for drying wood, comprises the following steps:
A. timber is carried out pre- plane, timber is cut into plank of the same size;Wherein, the thickness that is cut into of timber is 28mm.
B. the timber of pre- plane is soaked 1 day with saturated brine.
C. first the timber crossed with saline sook is smeared after anti-cracking agent of wood, then wrapped up with masking foil, and toasted. Wherein, the temperature of baking is 200 DEG C;The time of baking is 0.7 hour.Wherein, described anti-cracking agent of wood include turpentine oil and The mixture of camphor, by weight, 80 parts of turpentine oil, 20 parts of camphor.
D. the timber toasting is smeared anti-cracking agent of wood, then carry out microwave and ultrasonic drying;Wherein, described wood Material anti-cracking agent includes the mixture of turpentine oil and camphor, by weight, 80 parts of turpentine oil, 20 parts of camphor.Microwave and ultrasonic drying Control condition be:The power of ultrasonic wave is 2KW, and described frequency is 25KHz;The power of microwave is 4KW, and described frequency is 2450MHz.Dry environment is:Absolute pressure 0.05MPa, 75 DEG C of dry-bulb temperature, 9 DEG C of wet-bulb temperature;2 hours drying times.
E. microwave and ultrasonic dried timber are carried out thermal convection current drying.Wherein, the absolute pressure of thermal convection current dry environment Power is 0.05MPa.And this technique is further divided into 5 stages, the concrete control condition in each stage is:
1)Control dry environment is 35 DEG C of dry-bulb temperature, 27 DEG C of wet-bulb temperature;Drying time is 8 hours;
2)Control dry environment is 45 DEG C of dry-bulb temperature, 27 DEG C of wet-bulb temperature;Drying time is 8 hours;
3)Control dry environment is 55 DEG C of dry-bulb temperature, 17 DEG C of wet-bulb temperature;Drying time is 8 hours;
4)Control dry environment is 65 DEG C of dry-bulb temperature, 17 DEG C of wet-bulb temperature;Drying time is 8 hours;
5)Control dry environment is 75 DEG C of dry-bulb temperature, 7 DEG C of wet-bulb temperature;Drying time is 8 hours.
Wherein, described step A is mutually perpendicular to the timber of odd-level to the laying method of timber in step E for even level, In well shape, the distance between described timber is 0.3 m.
The present embodiment is first smeared after anti-cracking agent of wood to the timber crossed with saline sook, then is wrapped up with masking foil, and carries out Baking.Timber can be made to fully absorb anti-cracking agent during baking, contribute to suppressing the cracking of timber, and strengthen anti-corrosion Property and insect protected.

Claims (10)

1. a kind of method for drying wood is it is characterised in that comprise the following steps:
A. timber is carried out pre- plane, timber is cut into plank of the same size;
B. by the timber saline sook of pre- plane;
C. the timber crossed with saline sook is wrapped up with masking foil, and toasted;
D. the timber toasting is smeared anti-cracking agent of wood, then carry out microwave and ultrasonic drying;
E. microwave and ultrasonic dried timber are carried out thermal convection current drying.
2. a kind of method for drying wood according to claim 1 is it is characterised in that described step A is to timber in step E Laying method is mutually perpendicular to the timber of odd-level for even level, in well shape, the distance between described timber be 0.2~ 0.5m.
3. a kind of method for drying wood according to claim 1 it is characterised in that in described step B salt solution be saturated salt Water.
4. a kind of method for drying wood according to claim 1 is it is characterised in that the temperature toasted in described step C is 170~250 DEG C;The time of baking is 0.5~1 hour.
5. a kind of method for drying wood according to claim 1 is it is characterised in that first to using salt water logging in described step C After anti-cracking agent of wood smeared by the timber steeping, then wrapped up with masking foil, and toasted.
6. according to claim 1 or 5 a kind of method for drying wood it is characterised in that described anti-cracking agent of wood includes Turpentine oil and the mixture of camphor, by weight, 60~80 parts of turpentine oil, 20~40 parts of camphor.
7. a kind of method for drying wood according to claim 1 is it is characterised in that described step D microwave and ultrasonic drying Control condition be:The power of ultrasonic wave is 1~3KW, and described frequency is 20~28KHz;The power of microwave is 1~5KW, described Frequency is 1000~3000MHz.
8. a kind of method for drying wood according to claim 1 is it is characterised in that described step D microwave and ultrasonic drying Control dry environment be:Absolute pressure 0.02~0.08MPa, 70~80 DEG C of dry-bulb temperature, 8~10 DEG C of wet-bulb temperature;It is dried 1~3 hour time.
9. a kind of method for drying wood according to claim 1 is it is characterised in that described step E thermal convection current back tender Skill is divided into 5 stages, and the concrete control condition in each stage is:
1)Control dry environment is 30~40 DEG C of dry-bulb temperature, 25~30 DEG C of wet-bulb temperature;Drying time is 6~12 hours;
2)Control dry environment is 40~50 DEG C of dry-bulb temperature, 20~25 DEG C of wet-bulb temperature;Drying time is 6~12 hours;
3)Control dry environment is 50~60 DEG C of dry-bulb temperature, 15~20 DEG C of wet-bulb temperature;Drying time is 6~12 hours;
4)Control dry environment is 60~70 DEG C of dry-bulb temperature, 10~15 DEG C of wet-bulb temperature;Drying time is 6~12 hours;
5)Control dry environment is 70~80 DEG C of dry-bulb temperature, 5~10 DEG C of wet-bulb temperature;Drying time is 6~12 hours.
10. a kind of method for drying wood according to claim 1 is it is characterised in that described step E thermal convection current drying process Control dry environment be:Absolute pressure is 0.02~0.08MPa.
CN201610857856.XA 2016-09-28 2016-09-28 A kind of drying means of timber Expired - Fee Related CN106393342B (en)

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CN107309996A (en) * 2017-05-16 2017-11-03 阜南县宏达工艺品厂 A kind of wicker plaiting article sofening treatment method of purple willow
CN107336307A (en) * 2017-06-29 2017-11-10 阜南县腾博工艺品有限公司 A kind of drying Bracking-resistant method of jujube wood
CN107351212A (en) * 2017-07-11 2017-11-17 中南林业科技大学 A kind of method for drying wood
CN107457857A (en) * 2017-09-11 2017-12-12 阜南县大自然工艺品有限公司 A kind of method of thin plate Wood craft anticracking
CN107553648A (en) * 2017-09-11 2018-01-09 阜南县猛发工艺品有限公司 A kind of method for improving soft wood chip processing characteristics
CN107621133A (en) * 2017-09-20 2018-01-23 中南林业科技大学 A kind of linden method for drying wood
CN108608519A (en) * 2018-05-05 2018-10-02 阜南县海源工艺品有限公司 A kind of method of toothed oak wood plank processing modelled after an antique
CN108995462A (en) * 2018-07-27 2018-12-14 中华全国供销合作总社西安生漆涂料研究所 A kind of pomegranate tire lacquerware and preparation method thereof
CN109013251A (en) * 2018-06-22 2018-12-18 湖州绿盛木业有限公司 A kind of method dropped in reduction timber drying etc.
CN109397442A (en) * 2018-10-19 2019-03-01 临泉县福隆木制品有限公司 A kind of processing method of mould proof wooden table-ware

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CN107553648A (en) * 2017-09-11 2018-01-09 阜南县猛发工艺品有限公司 A kind of method for improving soft wood chip processing characteristics
CN107621133A (en) * 2017-09-20 2018-01-23 中南林业科技大学 A kind of linden method for drying wood
CN108608519A (en) * 2018-05-05 2018-10-02 阜南县海源工艺品有限公司 A kind of method of toothed oak wood plank processing modelled after an antique
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