CN107830725B - A kind of furnace drying method of timber - Google Patents
A kind of furnace drying method of timber Download PDFInfo
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- CN107830725B CN107830725B CN201711119432.4A CN201711119432A CN107830725B CN 107830725 B CN107830725 B CN 107830725B CN 201711119432 A CN201711119432 A CN 201711119432A CN 107830725 B CN107830725 B CN 107830725B
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Classifications
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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
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/08—Humidity
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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
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/10—Temperature; Pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B2210/00—Drying processes and machines for solid objects characterised by the specific requirements of the drying good
- F26B2210/16—Wood, e.g. lumber, timber
Abstract
The invention belongs to stoving process fields, more particularly to a kind of furnace drying method of timber, including following baking step: by timber wet plate, code air-dries pile in dry kiln, it is passed through steam, by about 120 hour steam dryings, cooperate temperature appropriate, and the timber using the hydrofuge of a period of time, after being dried.The kiln dried wood water content that the furnace drying method of provided timber obtains through the invention is only 10%~12%, and timber inherent strain is minimum, long service life, and resistance to drying is unlikely to deform, and can reach 7 times of common plate fitment or more.
Description
This case is with the applying date for 2015-12-10, and application No. is 2015109154457, entitled " one kind is used for solid wood
The divisional application that the patent of invention of the furnace drying method of the timber of tea tray " carries out for female case.
Technical field
The invention belongs to stoving process fields, and in particular to a kind of furnace drying method of timber.
Background technique
Solid wood class furniture be made using solid sawn lumber or solid wood board as substrate, surface through cover with paint, lacquer, colour wash, etc. processing furniture or
It is on such substrate using after plates of solid wood or veneer (wood skin) veneer, then cover with paint, lacquer, colour wash, etc. the furniture of processing.Solid wood furniture tool
There is the features such as natural, environmentally friendly, healthy, log color furniture is not only natural but also without chemical contamination, is not only the best of modern healthy life
Selection, also complies with the psychological needs that people from modern metropolitan cities advocates the Nature.In addition, solid wood furniture is during processing and fabricating, and
The furniture of those wood-based plates is compared, and glue consumption is relatively little of.Glue consumption number affect furniture the feature of environmental protection height.
But the most important disadvantage of solid wood furniture is exactly easily-deformable, maintains more difficult, existing solid wood tea tray timber
Baking step is dealt with improperly, and for solid wood tea tray obtained in excessively dry and moist environment, temperature and humidity variation is excessive, is easy out
It splits and deforms, the timber stoving step before solid wood tea tray machine-shaping is particularly important as a result,.
Summary of the invention
The technical problems to be solved by the present invention are: providing a kind of elimination wood internal stress, when using after timber processing not
There is the furnace drying method for the timber for cracking and deforming.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention are as follows: a kind of wood for solid wood tea tray is provided
The furnace drying method of material, including following baking step:
Dry within first day: by timber wet plate, code air-dries pile in dry kiln, is passed through steam, kiln temperature is made to be kept for 50 DEG C,
Humidity is maintained at 42%, sprays primary steam every 1 hour；Exhausting window is equipped in the dry kiln；
It dries within second day: kiln temperature being made to be kept for 60 DEG C, humidity is maintained at 50%, sprays primary steam every 2 hours；
The drying of third day: making kiln temperature be kept for 65 DEG C, and humidity is maintained at 55%, sprays primary steam every 3 hours；
It dries within 4th day: kiln temperature being made to be kept for 70 DEG C, humidity is maintained at 55%, sprays primary steam every 5 hours；
It dries within 5th day: kiln temperature being made to be kept for 70 DEG C, humidity is maintained at 58%, sprays primary steam every 6 hours；
It dries within 6th day: kiln temperature being made to be kept for 70 DEG C, humidity is maintained at 60%, no longer spraying steam, allows plate in kiln
Uniform pickup；
It dries within 7th day: kiln temperature being made to be kept for 68 DEG C, humidity is maintained at 60%, and every 5 hours open exhausting window, allows wood
Moisture in front slowly ejects.
It dries within 8th day: kiln temperature being made to be kept for 65 DEG C, humidity is maintained at 55%, and it is small to open exhausting window 1 every 3 hours
When, the moisture in kiln is discharged；
It dries within 9th day: so that kiln temperature is kept for 65 DEG C, humidity is maintained at 50%, small every 2 hours opening exhausting windows 2
When；
It dries within tenth day: kiln temperature being made to be kept for 63 DEG C, humidity is maintained at 43%, and keep exhausting window in ventilation state,
Moisture in kiln is all discharged；
It dries within 11st day: kiln temperature being made to be kept for 65 DEG C, humidity is maintained at 37%, keeps exhausting window in ventilation state；
It dries within 12nd day: kiln temperature being made to be kept for 58 DEG C, humidity is maintained at 30%, keeps exhausting window in ventilation state；
It dries within 13rd day: kiln temperature being made to be kept for 55 DEG C, humidity is maintained at 25%, opens exhausting window, opens 3 hours, closes 1
Hour, it is recycled with this；
Fortnight drying: making kiln temperature be kept for 55 DEG C, and humidity is maintained at 22%, opens exhausting window, opens 5 hours, closes 1
Hour, it is recycled with this；
It dries within 15th day: kiln temperature being made to be kept for 50 DEG C, humidity is maintained at 18%, keeps exhausting window in ventilation state；
Then timber after must drying.
The beneficial effects of the present invention are: the furnace drying method of the timber provided by through the invention for solid wood tea tray obtains
To kiln dried wood water content be only 10%~12%, timber inherent strain is minimum, long service life, and resistance to drying is not cracked,
It is unlikely to deform, can reach 7 times of common plate fitment or more.The furnace drying method that the present invention uses is by about 120 hours
Steam drying cooperates temperature appropriate, and using the hydrofuge of a period of time, thereby speeds up the inherent strain for eliminating timber,
To reach the high standard for the timber for making solid wood tea tray.
Specific embodiment
To explain the technical content, the achieved purpose and the effect of the present invention in detail, it is explained below in conjunction with embodiment.
The most critical design of the present invention is: the furnace drying method that the present invention uses is dried by about 120 hour steam
It is dry, cooperate temperature appropriate, using the hydrofuge of a period of time, the inherent strain for eliminating timber is thereby speeded up, to reach
Make the high standard of solid wood tea tray.
The present invention provides a kind of furnace drying method of timber for solid wood tea tray, including following baking step:
Dry within first day: by timber wet plate, code air-dries pile in dry kiln, is passed through steam, kiln temperature is made to be kept for 50 DEG C,
Humidity is maintained at 42%, sprays primary steam every 1 hour；Exhausting window is equipped in the dry kiln；
It dries within second day: kiln temperature being made to be kept for 60 DEG C, humidity is maintained at 50%, sprays primary steam every 2 hours；
The drying of third day: making kiln temperature be kept for 65 DEG C, and humidity is maintained at 55%, sprays primary steam every 3 hours；
It dries within 4th day: kiln temperature being made to be kept for 70 DEG C, humidity is maintained at 55%, sprays primary steam every 5 hours；
It dries within 5th day: kiln temperature being made to be kept for 70 DEG C, humidity is maintained at 58%, sprays primary steam every 6 hours；
It dries within 6th day: kiln temperature being made to be kept for 70 DEG C, humidity is maintained at 60%, no longer spraying steam, allows plate in kiln
Uniform pickup；
It dries within 7th day: kiln temperature being made to be kept for 68 DEG C, humidity is maintained at 60%, and every 5 hours open exhausting window, allows wood
Moisture in front slowly ejects.
It dries within 8th day: kiln temperature being made to be kept for 65 DEG C, humidity is maintained at 55%, and it is small to open exhausting window 1 every 3 hours
When, the moisture in kiln is discharged；
It dries within 9th day: so that kiln temperature is kept for 65 DEG C, humidity is maintained at 50%, small every 2 hours opening exhausting windows 2
When；
It dries within tenth day: kiln temperature being made to be kept for 63 DEG C, humidity is maintained at 43%, and keep exhausting window in ventilation state,
Moisture in kiln is all discharged；
It dries within 11st day: kiln temperature being made to be kept for 65 DEG C, humidity is maintained at 37%, keeps exhausting window in ventilation state；
It dries within 12nd day: kiln temperature being made to be kept for 58 DEG C, humidity is maintained at 30%, keeps exhausting window in ventilation state；
It dries within 13rd day: kiln temperature being made to be kept for 55 DEG C, humidity is maintained at 25%, opens exhausting window, opens 3 hours, closes 1
Hour, it is recycled with this；
Fortnight drying: making kiln temperature be kept for 55 DEG C, and humidity is maintained at 22%, exhausting window is opened, is opened 5 hours, is closed
It 1 hour, is recycled with this；
It dries within 15th day: kiln temperature being made to be kept for 50 DEG C, humidity is maintained at 18%, keeps exhausting window in ventilation state；
Then timber after must drying.
Moisture in timber, there are mainly two types of, it is respectively exactly Free water and absorption water, Free water is present in timber quality
In the big capillary system formed in lumen.The increase and decrease of Free water only influences whether the weight of timber, but will not influence
To the property of timber itself；Absorption water is present in the microcapillary system of cell wall composition, the variation of this absorption water, not only
It is only capable of influencing the contraction and expansion of timber, also will affect the physical performance of timber.Baking step of the present invention is mainly exactly to reduce
Adhesive water, rather than the ingredient of Free water is reduced, so timber is just not easy to occur cracking and deform.
Preferably, in the furnace drying method of the above-mentioned timber for solid wood tea tray, " being passed through steam " in described first day
Steam in step is the steam being passed through when boiler temperature reaches between 80 DEG C -90 DEG C.
Preferably, in the furnace drying method of the above-mentioned timber for solid wood tea tray, " being passed through steam " in described first day
After step, blower is opened, allows the air in dry kiln that can be present uniformly throughout every nook and cranny, makes dry kiln temperature also can be uniform.
Preferably, in the furnace drying method of the above-mentioned timber for solid wood tea tray, the timber is into the mass dryness fraction before dry kiln
It is 28, the mass dryness fraction after drying out dry kiln is 12.
Preferably, in the furnace drying method of the above-mentioned timber for solid wood tea tray, timber is placed 5-10 days after the drying
It is processed again afterwards.The health for carrying out constant temperature after timber stoving processing to timber, the not redeformation after guaranteeing production tea tray.
Embodiment 1
A kind of furnace drying method of timber for solid wood tea tray, including following baking step are provided:
One, firstly, to needing into kiln dried lumber, its quality inspection is confirmed by Quality People, is remembered in detail
Record: the quality defect associated with dries quantity such as ratio shared by moisture content, cracking (end check, table split, ring shake) and marrow core material.
Two, the inspection of dry kiln shell and equipment.
Dry kiln is before the use, it is necessary to comprehensively careful inspection is carried out to its shell and equipment, to guarantee drying process
Be normally carried out, particular exam content is as follows:
1, gate after gate is used for a long time, may be produced because of reasons such as deformation, burn into seal aging or pressing device failures
Raw gas leakage, such as finds this kind of situation, answers on-call maintenance.
2, ground, dry room floor should keep neat and tidy, should clean sundries in time after drying a period.
3, ventilating system, checks whether fastening bolt loosens, and whether blower operating is steady freely, between blade and wind-collecting cover
Gap it is whether uniform, motor and other position bearings whether there is or not abrasion, lubricating grease whether there is or not loss (answer regular grease up,
Import motor is according to specification), cable whether aging etc..
4, heating system led to hot water after 15 minutes, checked whether heater heating is uniform, and whole system has No leakage, follows
Whether ring pump works normally.
5, humidity controlling system, check the spray orifice of water spray it is whether unimpeded uniformly, intake and exhaust switch whether flexibility and reliability, be after closing
It is no tight.
6, instrument, checks whether the water in wet-and-dry-bulb thermometer sink cleans, and whether gauze clean, wet (answers in principle
Per the dried for a week phase, replacement is primary), temperature sensor and moisture sensor and instrument are periodically proofreaded, checks its sensitivity and can
By property.
Three, loading of kiln is stacked it should be noted that item.
Dress heap is simple and hard work in drying of wood production, is the important component of drying process, should infuse
The details of meaning have:
1, the selection of parting bead: plate thickness is in the 40mm parting bead below with 25mm*25mm, the use of thickness 50mm or more
The parting bead of 35mm*35mm.
2, the spacing distance of parting bead: the spacing distance of broadleaf parting bead is 15-18 times of plate thickness, softwood parting bead
Spacing is 20-22 times of plate thickness, and the plate stringent for quality requirement can suitably reduce stiker spacing.
3, when plate-laying, parting bead should keep flushing with the both ends of plate, and upper and lower parting bead keeps vertical, to prevent plate end water
Point too fast to scatter and disappear, shrinking unevenly leads to end check.Upper and lower parting bead keeps vertical, is whether preventing plate from bearing gravity balance, to prevent
Only warpage.
4, to the plate of different-thickness, it is same thickness plate that when plate-laying keeps same level as far as possible, avoids different-thickness
Plate cause relatively thin plate to dry deformation in same level, while stabilization when guaranteeing stacking.
Four, it should be noted that item when loading of kiln.
1, different tree species or same tree species different water cut, different-thickness, Ying Jinliang is avoided in same kiln drying.
2, it should ensure that pile heap is steady when stacking, up and down vertically, prevent from tilting and collapsing.
3, adjacent pile heap should ensure that same level is straight, and circulating current can steadily pass through plate gap, be conducive to wet
Heat exchange.
4, it should be noted that the instrument safety in kiln when stacking, avoid collision.
5, the selection of moisture content measuring point must guarantee that test plate (panel) can represent the moisture content of plate in entire kiln, generally with highest
Moisture content plate is test plate, is placed on apart from 1 meter or so of ground.
6, according to the technical indicator of dry kiln, kiln space is rationally utilized to the maximum extent, is guaranteed that wind speed is uniform in kiln, is flowed
Freely.
Five, the operation of stoving process executes.
1, the adjustment of room temperature, air humidity, should refer to stoving process requirement, adjust opening for circulating pump and intake and exhaust window
Setting is closed, operator should go to operate in strict accordance with the requirement of stoving process, tempestuously heating, cooling, can be in the inside of timber
Thermal stress is generated, it is serious to will lead to the bad phenomenons such as timber crack, deformation.
2, boiler pressure, temperature, ventilating draught fan, circulating pump whether should run well check at any time, whether wet bulb sink adds
Full, whether electric control system indicator light is normal.If there is abnormal conditions that should report, repair immediately, in order to avoid cause damages.
3, operator must record indoor wet and dry bulb temperature and moisture content data in real time truly, be the adjustment of stoving process
True and reliable foundation is provided.
4, it checks and all goes well, after kiln installs, first turn on heater switch, then boiler temperatures is waited to reach 80 DEG C -90 DEG C
Between when, be then turned on steam, temperature be transferred to 50 DEG C, blower is opened, allows indoor air that can be present uniformly throughout every nook and cranny, make
Room temperature also can be uniform.A water is sprayed every 1 hour later, steam moisture is maintained at 42%.
Second day, kiln temperature is transferred to 60 DEG C, humidity is maintained at 50%, and every 2 hours spray primary steam；
Temperature is transferred to 65 DEG C by third day, and humidity is maintained at 55%, and every 3 hours spray primary steam；
4th day, kiln temperature is transferred to 70 DEG C, humidity is maintained at 55%, and every 5 hours spray primary steam；
5th day, kiln temperature is transferred to 70 DEG C, humidity is maintained at 58%, and every 6 hours spray primary steam；
6th day, kiln temperature is transferred to 70 DEG C, humidity is maintained at 60%, no longer spraying steam, makes the plate in kiln uniform
It absorbs；
7th day, temperature is transferred to 68 DEG C, the temperature of water heater reaches 90 DEG C -100 DEG C, and humidity is maintained at 60%, and every 5
Hour opens exhausting window, and the moisture in wood is allowed slowly to eject；
8th day, kiln temperature is transferred to 65 DEG C and is opened exhausting window 1 hour every 3 hours, the moisture in kiln is discharged
It goes, humidity is maintained at 55%；
9th day, kiln temperature is controlled at 65 DEG C, humidity was maintained at 50%, every opening exhausting window 2 hours 2 hours；
Tenth day, kiln temperature is transferred to 63 DEG C, humidity is maintained at 43%, opens exhausting window, and the moisture in kiln is whole
Discharge；
11st day, kiln temperature is transferred to 60 DEG C, humidity is maintained at 37%, keeps exhausting window in ventilation state；
12nd day, kiln temperature is transferred to 58 DEG C, humidity is maintained at 30%, keeps exhausting window in ventilation state；
13rd day, kiln temperature is transferred to 55 DEG C, humidity is maintained at 25%, opens exhausting window, opens 3 hours, and it is small to close 1
When, it is recycled with this；
Kiln temperature is transferred to 55 DEG C by fortnight, and humidity is maintained at 22%, opens exhausting window, opens 5 hours, and it is small to close 1
When, it is recycled with this；
15th day, kiln temperature is transferred to 50 DEG C, humidity is maintained at 18%, and water heater temperature is dropped to 70 DEG C -80
DEG C, under normal circumstances, cork fixation 5-7 days, hardwood fixation 7-10 days, the timber mass dryness fraction in kiln is probably at 10 DEG C or so.
The drying material of rigid kiln discharge, answers abundant fixation, so that non-uniform moisture content is sufficiently spread, stress is further eliminated.
Since the wood internal stress of rigid kiln discharge is still remaining, if direct plungeing into processing, difficulty of processing will increase.Meanwhile product can be made
There are the risks of potential deformation.Under normal circumstances, cork is placed 5-7 days, and hardwood can be processed after placing 7-10 days.
In conclusion the kiln dried wood water content obtained provided by the present invention for the furnace drying method of the timber of solid wood tea tray
Only 10%~12%, timber inherent strain is minimum, long service life, and resistance to drying is not cracked, is unlikely to deform, and can reach general
7 times or more of logical plate fitment.The furnace drying method that the present invention uses is by about 120 hour steam dryings, and cooperation is appropriate
Temperature and the hydrofuge of a period of time, thereby speed up the inherent strain for eliminating timber, thus reach production solid wood tea tray height
Standard.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalents made by bright description are applied directly or indirectly in relevant technical field, are similarly included in this hair
In bright scope of patent protection.
Claims (4)
1. a kind of furnace drying method of timber, which is characterized in that including following baking step:
It dries within first day: timber being fitted into dry kiln, steam is passed through, kiln temperature is made to be kept for 50 DEG C, humidity is maintained at 42%,
Primary steam is sprayed every 1 hour；Exhausting window is equipped in the dry kiln；
It dries within second day: kiln temperature being made to be kept for 60 DEG C, humidity is maintained at 50%, sprays primary steam every 2 hours；
The drying of third day: making kiln temperature be kept for 65 DEG C, and humidity is maintained at 55%, sprays primary steam every 3 hours；
It dries within 4th day: kiln temperature being made to be kept for 70 DEG C, humidity is maintained at 55%, sprays primary steam every 5 hours；
It dries within 5th day: kiln temperature being made to be kept for 70 DEG C, humidity is maintained at 58%, sprays primary steam every 6 hours；
It dries within 6th day: so that kiln temperature is kept for 70 DEG C, humidity is maintained at 60%, no longer spraying steam, makes the plate in kiln uniform
It absorbs；
It dries within 7th day: kiln temperature being made to be kept for 68 DEG C, humidity is maintained at 60%, and every 5 hours open exhausting window, allows in wood
Moisture slowly eject；
It dries within 8th day: kiln temperature being made to be kept for 65 DEG C, humidity is maintained at 55%, it is opened exhausting window 1 hour every 3 hours,
Moisture in kiln is discharged；
It dries within 9th day: so that kiln temperature is kept for 65 DEG C, humidity was maintained at 50%, every opening exhausting window 2 hours 2 hours；
It dries within tenth day: kiln temperature being made to be kept for 63 DEG C, humidity is maintained at 43%, keeps exhausting window in ventilation state, in kiln
Moisture all be discharged；
It dries within 11st day: kiln temperature being made to be kept for 65 DEG C, humidity is maintained at 37%, keeps exhausting window in ventilation state；
It dries within 12nd day: kiln temperature being made to be kept for 58 DEG C, humidity is maintained at 30%, keeps exhausting window in ventilation state；
It dries within 13rd day: kiln temperature being made to be kept for 55 DEG C, humidity is maintained at 25%, opens exhausting window, opens 3 hours, and it is small to close 1
When, it is recycled with this；
Fortnight drying: making kiln temperature be kept for 55 DEG C, and humidity is maintained at 22%, opens exhausting window, opens 5 hours, and it is small to close 1
When, it is recycled with this；
It dries within 15th day: kiln temperature being made to be kept for 50 DEG C, humidity is maintained at 18%, keeps exhausting window in ventilation state；Then
Timber after must drying.
2. the furnace drying method of timber according to claim 1, which is characterized in that step " is dried " for first day specifically:
By timber wet plate, code air-dries pile in dry kiln, is passed through steam, after kiln installs, first turns on heater switch, then waits pots
When furnace temperature is reached between 80 DEG C -90 DEG C, it is then turned on steam, so that kiln temperature is kept for 50 DEG C, humidity is maintained at 42%, every 1
A hour spray primary steam；Exhausting window is equipped in the dry kiln；Blower is opened, the air in dry kiln can be present uniformly throughout
Every nook and cranny makes dry kiln temperature also can be uniform.
3. the furnace drying method of timber according to claim 1, which is characterized in that the material of timber is cork after the drying
If place 5-7 days after can be processed, after the drying material of timber be hardwood if place 7-10 days after can be added
Work.
4. the furnace drying method of timber according to claim 1, which is characterized in that the timber is into the mass dryness fraction before dry kiln
28, the mass dryness fraction of the kiln dried wood obtained after drying out dry kiln is 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711119432.4A CN107830725B (en) | 2015-12-10 | 2015-12-10 | A kind of furnace drying method of timber |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711119432.4A CN107830725B (en) | 2015-12-10 | 2015-12-10 | A kind of furnace drying method of timber |
| CN201510915445.7A CN105387711B (en) | 2015-12-10 | 2015-12-10 | A kind of furnace drying method of timber for solid wood tea tray |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510915445.7A Division CN105387711B (en) | 2015-12-10 | 2015-12-10 | A kind of furnace drying method of timber for solid wood tea tray |
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| Publication Number | Publication Date |
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| CN107830725A CN107830725A (en) | 2018-03-23 |
| CN107830725B true CN107830725B (en) | 2019-06-11 |
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| CN201711119432.4A Active CN107830725B (en) | 2015-12-10 | 2015-12-10 | A kind of furnace drying method of timber |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107166877B (en) * | 2017-05-15 | 2019-09-06 | 南宁市邦得力木业有限责任公司 | One kind steaming heating, drying method for plate |
| CN109332121A (en) * | 2018-10-23 | 2019-02-15 | 福建宝寨木业有限公司 | A kind of furnace drying method of timber |
| CN110173964A (en) * | 2019-05-23 | 2019-08-27 | 安徽繁盛木业包装有限公司 | A kind of lumber kiln |
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| JPH10160349A (en) * | 1996-11-28 | 1998-06-19 | Kansai Electric Power Co Inc:The | Timber dryer, timber drying method and electrode for drying timber |
| KR20130054833A (en) * | 2011-11-17 | 2013-05-27 | 문중묵 | Apparatus for drying and high heat-treating wood |
| CN103791701A (en) * | 2012-10-31 | 2014-05-14 | 杜慕楠 | Quick soft timber drying kiln and drying method thereof |
| CN103206837A (en) * | 2013-03-27 | 2013-07-17 | 天津福通木业有限公司 | Wood drying method for solid wood furniture |
| CN104251601A (en) * | 2013-06-28 | 2014-12-31 | 天津市凯馨木业有限公司 | Drying treatment method for Chinese oak |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107830725A (en) | 2018-03-23 |
| CN105387711B (en) | 2017-11-10 |
| CN105387711A (en) | 2016-03-09 |
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Denomination of invention: A Drying Method for Wood Effective date of registration: 20230414 Granted publication date: 20190611 Pledgee: Songxi County sub branch of China Post Savings Bank Co.,Ltd. Pledgor: FUJIAN HUITONG CRAFTS Co.,Ltd. Registration number: Y2023350000116 |