CN107813393A - One kind charing heat treatment improvement solid wooden floor board manufacture method - Google Patents
One kind charing heat treatment improvement solid wooden floor board manufacture method Download PDFInfo
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- CN107813393A CN107813393A CN201711067127.5A CN201711067127A CN107813393A CN 107813393 A CN107813393 A CN 107813393A CN 201711067127 A CN201711067127 A CN 201711067127A CN 107813393 A CN107813393 A CN 107813393A
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- floor board
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- wooden floor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
- B27M1/00—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching
- B27M1/06—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching by burning or charring, e.g. cutting with hot wire
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
- B27M3/00—Manufacture or reconditioning of specific semi-finished or finished articles
- B27M3/04—Manufacture or reconditioning of specific semi-finished or finished articles of flooring elements, e.g. parqueting blocks
Abstract
The present invention relates to method of wood function modification, more particularly to a kind of charing heat treatment improvement solid wooden floor board manufacture method, belong to lumber functionality improvement and woodwork processing technique field.Technical solution of the present invention comprises the following steps：(1) solid wooden floor board blank making step；(2) drying steps；(3) charing heat treatment improvement steps；(4) solid wooden floor board manufacturing step.Technical solution of the present invention is while solving prior art problem, there is provided a kind of solid wooden floor board production method for aiming at fast growing wood and designing.Prior art is compared, and has simple production process, and with short production cycle, energy consumption is low, the advantages such as production cost is low, and resulting fast growing wood floor technical indicator is up to state standards quality requirement.
Description
Technical field
The present invention relates to method of wood function modification, more particularly to a kind of charing heat treatment improvement solid wooden floor board manufacturer
Method, belong to lumber functionality improvement and woodwork processing technique field.
Background technology
All the time, the texture natural beauty that is possessed by solid wooden floor board, comfortable foot feeling etc. remain natural timber most
Outstanding microenvironment characteristic, so that solid wooden floor board turns into people's house decoration, the first choice of pavement always.It is but existing
For solid wooden floor board using hard broad-leaved wood species, these seeds have that the speed of growth is slow, cycle of becoming a useful person long shortcoming, and general six, seven
It can become a useful person within 10 years.The speed of growth of timber is caused to can not meet the needs to timber resources that people day and night increase, so that
Existing solid wooden floor board price is rising steadily, the hard broadleaf forest reserves are constantly being reduced, and this is unfavorable for China or even complete
The sustainable development of ball forestry industry.To solve the supply of timber, fast-growing, high-yield woods is all being greatly developed in China or even the whole world,
Partly to substitute hard broadleaf, alleviate timber supply and demand contradiction.Fast growing wood have the speed of growth is fast, short 10 ~ 15 years of cycle of becoming a useful person just
It can become a useful person, alleviate China's timber supply and demand contradiction really to a certain extent, process obtained solid wooden compound floor, also solve
People are too to the demand of solid wooden floor board.But resulting solid wooden compound floor top layer is still using precious hard broad-leaved
Wood species is through repeatedly sawing the wood skin being made so that timber volume recovery is low, valuable product, and the fast growing wood that base material uses
Handled by lumber functionality improvement so that base material easily goes mouldy rotten, shortens product service life, more sternly
Weight is that this intractable environmental issue can not solve there is burst size of methanal, and the life health to people brings danger.And
And the stability of fast growing wood is poor, material is soft, easily it is mouldy apt to rot, make its can be only applied to fiberboard, particieboard, core-board this
A little low value-added wooden semi-finished product.Therefore, the high value added utilization research to fast growing wood turns into industry scientific research personnel research
Focus.
Chinese patent literature CN1868704A discloses a kind of " Wood carbonization treatment method " patent of invention, its manufacture method
Including a. by the neat stacking of timber and at the top of timber heap press 1t/m2 standard press steel plate frame pouring concrete briquetting, then fill
Enter in carbonization of wood equipment；B. staged continuous warming method is used in carbonization of wood equipment, temperature is pressed every 4~6 hours
Improve 3~7 DEG C of speed and be warming up to 120~140 DEG C；C. staged continuous warming method is used, 8 were improved by every 1~3 hour
~12 DEG C of speed is warming up to 160~240 DEG C, and is kept for 3~6 hours at the maximum temperature, and charing process process terminates；d.
After charing terminates, stop heating, allow timber to be slow cooling to 100 DEG C using atomized water spraying method, then pass to 100 DEG C full
Damping moisture regain processing is carried out to timber with steam, processing time is 6~8 hours, by the moisture content readjustment of timber to 4 ~ 6%；e.
Timber is cooled to temperature and is higher than 15~30 DEG C of kiln discharges of room temperature under field conditions (factors).There is production for such scheme charing process scheme
Cycle is grown, and high energy consumption, yields poorly.
Chinese patent literature CN101069972A discloses a kind of " production method of charred wood by heat treatment " patent of invention,
Its step includes：（1）Preparatory stage：By the pending timber of moisture content≤12%, routinely seasoning stacking is put into the carbonization of wood
In kiln, and close the gate and inlet and outlet mouth of wood carbonization kiln：（2）Warm-up phase：Medium temperature in kiln is risen in 1~3h
To 50~80 DEG C；（3）Temperature rise period：Medium temperature in kiln is warming up to 95~105 DEG C with 10~18 DEG C/h speed；Then with
3~8 DEG C/h speed is warming up to 120 ~ 130 DEG C and carries out high temperature drying to material, and the moisture content of wood internal almost drops to
0；It is warming up to again with 12~20 DEG C/h speed between 185 ~ 220 DEG C；Method is steamed in this temperature rise period using batch (-type) to carry out
Steam-injection is handled；（4）Holding stage：After medium temperature reaches required temperature in kiln, kiln temperature is kept 185 ~ 220
Between DEG C, 2~8h of carbonization temperature is kept；（5）Temperature-fall period：Thermal source is closed, method cooling is steamed using batch (-type), makes medium in kiln
Temperature cools to 120~140 DEG C with 12~18 DEG C/h speed；Then method is steamed using the folding of porting interval and batch (-type)
Cooled, medium temperature in kiln is cooled to 70~85 DEG C with 4~8 DEG C/h speed, steaming method using batch (-type) is sprayed
Steaming is handled, and is maintained 1~4h, moisture content is reached 4~9%；It is down to room temperature kiln discharge naturally again.Such scheme remains
Production time is grown, and high energy consumption, yields poorly the shortcomings that such.
Chinese patent literature CN1868708A discloses " production method of carbonizing wood floor board " patent of invention, its production method bag
Include：The Wood flooring cants of rectangle are produced, by blank by drying, charing process, health, S4S, sanding, tongue and groove, envelope
Side, application, finished product packing, obtain carbonizing wood floor board.Charing process step therein includes：A. by the neat stacking of timber and
1t/m2 standard press steel plate frame pouring concrete briquetting is pressed at the top of timber heap, is then charged into carbonization of wood equipment；B. in wood
Staged continuous warming method is used in material carbonization device, temperature is warming up to by the speed of 3~7 DEG C of raising in every 4~6 hours
120~140 DEG C；C. use staged continuous warming method, by improve within every 1~3 hour 8~12 DEG C of speed be warming up to 160~
240 DEG C, and kept for 3~6 hours at the maximum temperature, charing process process terminates；D. after charing terminates, stop heating, adopt
Allow timber to be slow cooling to 100 DEG C with atomized water spraying method, then pass to 100 DEG C of saturated vapor and damping moisture regain is carried out to timber
Processing, processing time are 6~8 hours, by the moisture content readjustment of timber to 4 ~ 6%；E. timber is cooled to temperature under field conditions (factors)
Degree is higher than 15~30 DEG C of kiln discharges of room temperature.Such scheme remains production time length, high energy consumption, yields poorly the shortcomings that such.
Timber after charing process remains as the characteristic that common wood equally remains drying shrinkage bulking, the moisture content of such scheme timber
It is too low, the floor that production obtains can be made to be deformed because of the moisture expantion in subsequent process, quality accident occur.And such scheme
The product of energy Industry Promotion can only be based on the hard broadleaf in part, such as oak, Manchurian ash, and generation friend's wood in Zhejiang wants the limited public affairs of industry
Take charge of the technology and product promotion for according to foregoing invention technical scheme, having been achieved with hard broadleaf carbonizing wood floor board.
Then, there is presently no the charing heat treatment improvement solid wooden floor board using fast growing wood as material.Because fast growing wood
The speed of growth is fast, the cycle of becoming a useful person is short, and material is soft, and easily deform, ftracture and change colour defect, so that it is difficult to apply to reality
Timber floor high value added utilization.Even if according to above-mentioned charing Technology for Heating Processing, though it is weather-proof to improve its dimensional stability, corrosion resistant
Property, improve its texture color and luster, but handle fast growing wood and hard broadleaf, the chi of fast growing wood according to same charing Technology for Heating Processing
Very little stability is poorer than hard broadleaf outline；The case hardness of fast growing wood, which is reduced, to be become apparent from, and the case hardness of hard broadleaf is omited
There are reduction or constant or slightly rise.Which results in fast growing wood to be not directly applicable solid wooden floor board..
The content of the invention
It is an object of the invention to provide a kind of more excellent solid wooden floor board production method, is specifically a kind of charing heat treatment
Solid wooden floor board manufacture method is improved, while solving the above mentioned problem of prior art, there is provided one kind aims at fast growing wood and set
The solid wooden floor board production method of meter.Technical solution of the present invention compared with prior art, has simple production process, production cycle
Short, energy consumption is low, the advantages such as production cost is low, and resulting fast growing wood floor is up to state standards quality requirement.
The invention provides one kind to carbonize heat treatment improvement solid wooden floor board manufacture method, and it comprises the following steps：
（1）Solid wooden floor board blank making step：Choose masson pine, poplar or pine and sawed and 19~24mm sawn timbers are made；
（2）Drying steps：Sawn timber, which is dried, makes its moisture content≤6%；
（3）Charing heat treatment improvement steps：Quick warming and humidifying is directly warming up to 185~210 DEG C of condition in heat treatment kiln
Charing heat treatment improvement is carried out to timber；
（4）Solid wooden floor board manufacturing step：Obtained charing is heat-treated improved wood, is machined, mortise is slotted, application
And obtain solid wooden floor board.
Preferably, described solid wooden floor board blank making step：It is to choose masson pine, poplar or pine and sawed
19~24mm sawn timbers are made.Taken it is further preferable that being sawed on log of the selected fast growing wood diameter grade more than more than 20cm, to ensure
The density of raw material reaches requirement, but also fast growing wood that will be selected has preferable permeability or uniform material.
Preferably, described drying steps：It is that 2 timber are superimposed to fold entirety for one, using uniform specification
Pallet and aluminium alloy parting bead, for parting bead away from timber end face within 3cm, stiker spacing is neat in 15~25cm, parting bead during stacking
It is in alignment upwards in hard Nogata, the briquetting on the good timber heap of stacking, it is placed in dry kiln and carries out conventional drying, make timber
Moisture content≤6%.
Preferably, the charing heat treatment improvement steps：It is that the dried timber of dry kiln is directly sent into fork truck
Carbonize in heat treatment kiln, close heat treatment wicket, while open heating and humidification valve, quick warming and humidifying is directly warming up to
185~210 DEG C carry out heat treatment 2~4h of improvement to timber, and heating is closed after terminating and makes timber fast using jet atomization water method
When speed is cooled in Equipment for Heating Processing 120 ~ 125 DEG C of temperature, terminates atomized water spraying and stop humidifying, 40 in Temperature fall to kiln~
Can kiln discharge at 60 DEG C.
As further preferred, the heat treatment improvement steps：It is the wet-bulb temperature in quick warming and humidifying temperature-rise period
Dry-bulb temperature is kept to be more than 25~35 DEG C of wet-bulb temperature during less than 100 DEG C, until wet-bulb temperature >=100 DEG C, keep filling in kiln
Full steam.
Preferably, described be heat-treated after improvement steps also bag moisture content recovering step：The wood that charing is thermally treated resulting in
Material moves on to progress moisture content recovery in dry kiln, its moisture content is returned to 7 ~ 11%.
Preferably, the solid wooden floor board manufacturing step：Obtained charing is heat-treated improved wood, machinery is carried out and adds
Work, mortise fluting, application and solid wooden floor board.
As further preferred, the application is to use added with 0.2 ~ 3.0% SiO2 nanoreinforcement materials or be added with
The UV coating of 0.2 ~ 3.0% AL2O3 nanoreinforcement materials is used as priming paint, first apply installed floor bottom surface bottoming stiffened, behind thereon
Solid wooden floor board obtained from face application UV finish paints.SiO2 nanoreinforcement materials or AL2O3 nanoreinforcement materials can be purchased from the market
Buy, be that rice reinforcing material is just imported using mechanical blending method when UV priming paint produces.
Preferably, the nano material that the technical program produces using Haitai Nano Material Co., Ltd., Nanjing
SiO2, its performance indications are：Nanosized SiO_2 content 99.9%, average grain diameter 20nm, specific surface area 440m2/g.The technical program is adopted
It is the nano material AL2O3 of Hangzhou Wanjing New Material Co., Ltd.'s production, its performance indications is：Content 99.99%, particle diameter
10~20nm, 180~250m2/g of specific surface area, crystal formation are：γ types.
Solid wooden floor board according to obtained by a kind of above-mentioned charing heat treatment improves solid wooden floor board manufacture method, using
Fast growing wood, hardness of paint film >=2H of solid wooden floor board, its corrosion resistant grade reach more than two level（Weight loss≤24%）, it is plain with it in addition
The solid wooden floor board that material is processed to obtain is compared, and dimensional stability improves more than 45%.
In summary, compared with prior art, the invention has the advantages that：
1. it is dried and carbonizes heat treatment improvement using stacked system, you can to prevent from drying and carbonize heat treatment process parting bead
Influence and reduction volume recovery of the impression defect to floor quality, while be also possible to prevent to dry and carbonize heat treatment process parting bead pressure
Influence of the discoloration to floor surface quality caused by trace, and do not influence to dry and carbonize thermal treatment quality；
2. the charing heat treatment improvement steps of the technical program, are to develop design exclusively for fast growing wood floor blank,
With short production cycle with simple production process, production efficiency is high, and production cost is low, and serialization, extensive industry metaplasia can be achieved
The energy-efficient charing heat treatment improved process of production, has the breakthrough of qualitative difference and matter with prior art, such as presses the technical program
Handle hard broadleaf floor blank, the hard broadleaf floor blank that can obtain processing occur table split, implosion, end check and bending become
Shape defect；
3. using nano-material modified UV coating under-coating varnish, the case hardness on floor can be made to obtain certain raising, also improved
Paint film adhesion, the texture that timber after charing heat treatment is possessed is not interfered with again and shows the outstanding timber micro-loop of full color
Border visual characteristic, and the texture on fast growing wood floor can also be kept to show the rare tree texture such as teak, elm, oak
Color and luster.
Embodiment
Embodiment 1
（1）Solid wooden floor board blank making step：Choose masson pine of the diameter grade more than more than 20cm and sawed and 24mm sawn timbers are made.
（2）Drying steps：2 Masson pine timbers are superimposed folded overall for one, using uniform specification pallet and
Aluminium alloy parting bead, parting bead is away from timber end face within 3cm during stacking, and stiker spacing is in 15~25cm, and parting bead is neatly in hard Nogata
It is in alignment upwards, the briquetting on the good timber heap of stacking, it is placed in dry kiln and carries out conventional drying, make the moisture content of timber
≤6%。
（3）Charing heat treatment improvement steps：It is that the dried timber of dry kiln is directly sent into charing heat treatment with fork truck
In kiln, heat treatment wicket is closed, while opens heating and humidification valve, quick warming and humidifying is directly warming up to 210 DEG C to timber
Heat treatment improvement 4h is carried out, heating is closed after terminating and is allowed using jet atomization water method in timber fast cooling to Equipment for Heating Processing
During 125 DEG C of temperature, terminate atomized water spraying and stop humidifying, can kiln discharge when 40~60 DEG C in Temperature fall to kiln.Pay attention to fast
Dry-bulb temperature is kept to be more than 25~35 DEG C of wet-bulb temperature when wet-bulb temperature is less than 100 DEG C in fast warming and humidifying temperature-rise period, directly
To wet-bulb temperature >=100 DEG C, keep being full of steam in kiln.
Also bag moisture content recovering step after the heat treatment improvement steps：The timber that charing is thermally treated resulting in moves on to drying
Moisture content recovery is carried out in kiln, its moisture content is returned to 11%, because carrying out moisture content recovery energy consumption in heat treatment kiln carbonizing
Height, it is uneconomical.
（4）Solid wooden floor board manufacturing step：Obtained charing is heat-treated improvement Masson pine timber, is machined, opened
Tenon fluting, application and masson pine solid wooden floor board.The application is to use the UV added with 3.0% SiO2 nanoreinforcement materials
Coating is used as priming paint, first applies installed floor bottom surface bottoming stiffened, behind solid wooden floor board obtained from application UV finish paints in the above.
SiO2 nanoreinforcement materials or AL2O3 nanoreinforcement materials are commercially available, are just using machinery when UV priming paint produces
Blending method imports rice reinforcing material.The nano material that the present embodiment produces using Haitai Nano Material Co., Ltd., Nanjing
SiO2, its performance indications are：Nanosized SiO_2 content 99.9%, average grain diameter 20nm, specific surface area 440m2/g.
According to the masson pine solid wooden floor board obtained by a kind of above-mentioned charing heat treatment improvement solid wooden floor board manufacture method, paint
Film hardness 3H, its corrosion resistant grade reach more than two level（Weight loss≤24%）, obtained solid wooden floor board is processed with its material in addition
Compare, dimensional stability improves more than 45%.
And the above-mentioned masson pine floor of universal UV paint applications is used, hardness of paint film HB levels, could not be up to state standards certified products
It is required that.
Embodiment 2
（1）Solid wooden floor board blank making step：Choose poplar of the diameter grade more than more than 20cm and sawed and 19mm sawn timbers are made.
（2）Drying steps：2 poplar wood floor blanks are superimposed folded overall for one, using the pallet of uniform specification
With aluminium alloy parting bead, parting bead is away from timber end face within 3cm during stacking, and stiker spacing is in 15~25cm, and parting bead is neatly hard straight
It is in alignment on direction, the briquetting on the good timber heap of stacking, it is placed in dry kiln and carries out conventional drying, make the aqueous of timber
Rate≤6%.
（3）Charing heat treatment improvement steps：It is that the dried poplar wood floor blank of dry kiln is directly sent into charcoal with fork truck
Change in heat treatment kiln, close heat treatment wicket, while open heating and humidification valve, quick warming and humidifying is directly warming up to 185
DEG C heat treatment improvement 2h is carried out to timber, heating is closed after terminating timber fast cooling is allowed at hot using jet atomization water method
When managing 120 DEG C of temperature in equipment, terminate atomized water spraying and stop humidifying, can kiln discharge when 40~60 DEG C in Temperature fall to kiln.
Pay attention in quick warming and humidifying temperature-rise period keeping when wet-bulb temperature is less than 100 DEG C dry-bulb temperature be more than wet-bulb temperature 25~
35 DEG C, until wet-bulb temperature >=100 DEG C, keep being full of steam in kiln.
Also bag moisture content recovering step after the heat treatment improvement steps：The timber that charing is thermally treated resulting in moves on to drying
Moisture content recovery is carried out in kiln, its moisture content is returned to 7%.
（4）Solid wooden floor board manufacturing step：By obtained charing be heat-treated improved wood, be machined, mortise fluting,
Application and solid wooden floor board.The application is to use the UV coating added with 0.2% AL2O3 nanoreinforcement materials to be used as priming paint,
First apply installed floor bottom surface bottoming stiffened, behind solid wooden floor board obtained from application UV finish paints in the above.AL2O3 nanometer strengthening materials
Expect it is commercially available, when UV priming paint produces just using mechanical blending method import rice reinforcing material.The present embodiment is to use
Be Hangzhou Wanjing New Material Co., Ltd.'s production nano material AL2O3, its performance indications is：Content 99.99%, particle diameter
10~20nm, 180~250m2/g of specific surface area, crystal formation are：γ types.
According to the poplar solid wooden floor board obtained by a kind of above-mentioned charing heat treatment improvement solid wooden floor board manufacture method, paint film
Hardness 2H, its corrosion resistant grade reach more than two level（Weight loss≤24%）, obtained solid wooden floor board phase is processed with its material in addition
Than dimensional stability improves more than 45%.
And the universal UV paint above-mentioned poplar wood floors of application are used, hardness of paint film B levels, the certified products that could not be up to state standards will
Ask.
Embodiment 3
（1）Solid wooden floor board blank making step：Choose pine of the diameter grade more than more than 20cm and sawed and 22mm sawn timbers are made.
（2）Drying steps：It is that 2 pine floor blanks are superimposed to fold entirety for one, using uniform specification
Pallet and aluminium alloy parting bead, away from timber end face within 3cm, stiker spacing neatly exists parting bead in 15~25cm, parting bead during stacking
Hard Nogata is in alignment upwards, the briquetting on the good timber heap of stacking, is placed in dry kiln and carries out conventional drying, make timber
Moisture content≤6%.
（3）Charing heat treatment improvement steps：It is that the dried timber of dry kiln is directly sent into charing heat treatment with fork truck
In kiln, heat treatment wicket is closed, while opens heating and humidification valve, quick warming and humidifying is directly warming up to 200 DEG C to timber
Heat treatment improvement 3h is carried out, heating is closed after terminating and is allowed using jet atomization water method in timber fast cooling to Equipment for Heating Processing
During 120 ~ 125 DEG C of temperature, terminate atomized water spraying and stop humidifying, can kiln discharge when 40~60 DEG C in Temperature fall to kiln.Pay attention to
Dry-bulb temperature is kept to be more than wet-bulb temperature 25~35 when wet-bulb temperature is less than 100 DEG C in quick warming and humidifying temperature-rise period
DEG C, until wet-bulb temperature >=100 DEG C, keep being full of steam in kiln.Also bag moisture content recovers step after the heat treatment improvement steps
Suddenly：The timber that charing is thermally treated resulting in moves on to progress moisture content recovery in dry kiln, its moisture content is returned to 9%.
（4）Solid wooden floor board manufacturing step：By obtained charing be heat-treated improved wood, be machined, mortise fluting,
Application and solid wooden floor board.The application is to use the UV coating added with 1.5% SiO2 nanoreinforcement materials to be used as priming paint,
First apply installed floor bottom surface bottoming stiffened, behind solid wooden floor board obtained from application UV finish paints in the above.SiO2 nanometer strengthening materials
Material, it is that rice reinforcing material is just imported using mechanical blending method when UV priming paint produces.The present embodiment is received using Nanjing Haitai
The nano material SiO2 of rice Materials Co., Ltd production, its performance indications are：Nanosized SiO_2 content 99.9%, average grain diameter 20nm,
Specific surface area 440m2/g.
According to the pine solid wooden floor board obtained by a kind of above-mentioned charing heat treatment improvement solid wooden floor board manufacture method, paint
Film hardness 3H, its corrosion resistant grade reach more than two level（Weight loss≤24%）, obtained solid wooden floor board is processed with its material in addition
Compare, dimensional stability improves more than 45%.
And the above-mentioned pine floor of universal UV paint applications is used, hardness of paint film 2B levels, could not be up to state standards certified products
It is required that.
Embodiment 4
（1）Solid wooden floor board blank making step：Choose pinus sylvestris var. mongolica of the diameter grade more than more than 20cm and sawed and 20mm sawn timbers are made.
（2）Drying steps：2 timber are superimposed folded overall for one, using the pallet and aluminium alloy of uniform specification
Parting bead, during stacking parting bead away from timber end face within 3cm, stiker spacing in 15~25cm, parting bead neatly hard Nogata upwards into
Straight line, the briquetting on the good timber heap of stacking, is placed in dry kiln and carries out conventional drying, make moisture content≤6% of timber.
（3）Charing heat treatment improvement steps：The dried timber of dry kiln is directly sent into charing heat treatment kiln with fork truck
In, heat treatment wicket is closed, while heating and humidification valve are opened, quick warming and humidifying is directly warming up to 195 DEG C and timber is entered
Row heat treatment 2~4h of improvement, closes heating and allows timber fast cooling to Equipment for Heating Processing using jet atomization water method after terminating
During 120 ~ 125 DEG C of interior temperature, terminate atomized water spraying and stop humidifying, can kiln discharge when 40~60 DEG C in Temperature fall to kiln.Note
It is intended to keep dry-bulb temperature to be more than wet-bulb temperature 25~35 when wet-bulb temperature is less than 100 DEG C in quick warming and humidifying temperature-rise period
DEG C, until wet-bulb temperature >=100 DEG C, keep being full of steam in kiln.
Also bag moisture content recovering step after the heat treatment improvement steps：The timber that charing is thermally treated resulting in moves on to drying
Moisture content recovery is carried out in kiln, its moisture content is returned to 10%.
（4）Solid wooden floor board manufacturing step：By obtained charing be heat-treated improved wood, be machined, mortise fluting,
Application and solid wooden floor board.The application is to use the UV coating added with 0.2 AL2O3 nanoreinforcement materials to be used as priming paint, first
Apply installed floor bottom surface bottoming stiffened, behind solid wooden floor board obtained from application UV finish paints in the above.AL2O3 nanoreinforcement materials
It is commercially available, it is that rice reinforcing material is just imported using mechanical blending method when UV priming paint produces.What the present embodiment used
It is the nano material AL2O3 of Hangzhou Wanjing New Material Co., Ltd.'s production, its performance indications is：Content 99.99%, particle diameter 10~
20nm, 180~250m2/g of specific surface area, crystal formation are：γ types.
It is real according to the pinus sylvestris var. mongolica solid wooden floor board obtained by a kind of above-mentioned charing heat treatment improvement solid wooden floor board manufacture method
The hardness of paint film 2H of timber floor, its corrosion resistant grade reach more than two level（Weight loss≤24%）, process to obtain with its material in addition
Solid wooden floor board compare, dimensional stability improve more than 45%.
And the above-mentioned pinus sylvestris var. mongolica floor of universal UV paint applications is used, hardness of paint film B levels, the certified products that could not be up to state standards will
Ask.
Claims (9)
1. one kind charing heat treatment improvement solid wooden floor board manufacture method, it is characterised in that：It comprises the following steps：
（1）Solid wooden floor board blank making step：Choose masson pine, poplar or pine and sawed and 19~24mm sawn timbers are made；
（2）Drying steps：Sawn timber, which is dried, makes its moisture content≤6%；
（3）Charing heat treatment improvement steps：Quick warming and humidifying is directly warming up to 185~210 DEG C of condition in heat treatment kiln
Charing heat treatment improvement is carried out to timber；
（4）Solid wooden floor board manufacturing step：Obtained charing is heat-treated improved wood, is machined, mortise is slotted, application
And obtain solid wooden floor board.
2. a kind of charing heat treatment improvement solid wooden floor board manufacture method according to claim 1, it is characterised in that described
Solid wooden floor board blank making step：It is to choose masson pine, poplar or pine and sawed that 19~24mm sawn timbers are made.
3. a kind of charing heat treatment improvement solid wooden floor board manufacture method according to claim 1, it is characterised in that described dry
Dry step：Be 2 timber are superimposed it is folded overall for one, using the pallet and aluminium alloy parting bead of uniform specification, during stacking
Parting bead is away from timber end face within 3cm, and for stiker spacing in 15~25cm, parting bead is neatly in alignment upwards in hard Nogata,
Briquetting on the good timber heap of stacking, is placed in dry kiln and carries out conventional drying, make moisture content≤6% of timber.
A kind of 4. charing heat treatment improvement solid wooden floor board manufacture method according to claim 1, it is characterised in that the charcoal
Change heat treatment improvement steps：It is that the dried timber of dry kiln is directly sent into charing heat treatment kiln with fork truck, closes at heat
Wicket is managed, while opens heating and humidification valve, quick warming and humidifying is directly warming up to 185~210 DEG C and carries out hot place to timber
Reason 2~4h of improvement, heating is closed after terminating temperature in timber fast cooling to Equipment for Heating Processing is allowed using jet atomization water method
At 120 ~ 125 DEG C, terminate atomized water spraying and stop humidifying, can kiln discharge when 40~60 DEG C in Temperature fall to kiln.
A kind of 5. charing heat treatment improvement solid wooden floor board manufacture method according to claim 1 and 4, it is characterised in that institute
State heat treatment improvement steps：It is to keep dry-bulb temperature when wet-bulb temperature is less than 100 DEG C in quick warming and humidifying temperature-rise period
More than 25~35 DEG C of wet-bulb temperature, until wet-bulb temperature >=100 DEG C, keep being full of steam in kiln.
A kind of 6. charing heat treatment improvement solid wooden floor board manufacture method according to claim 1, it is characterised in that the heat
Handle also bag moisture content recovering step after improvement steps：The timber that charing is thermally treated resulting in, which moves on to, carries out moisture content in dry kiln
Recover, its moisture content is returned to 7 ~ 11%.
A kind of 7. charing heat treatment improvement solid wooden floor board manufacture method according to claim 1, it is characterised in that the reality
Timber floor manufacturing step：By obtained charing be heat-treated improved wood, be machined, mortise fluting, application and solid wood
Floor.
A kind of 8. charing heat treatment improvement solid wooden floor board manufacture method according to claim 1 and 7, it is characterised in that institute
Stating application is used added with 0.2 ~ 3.0% SiO2 nanoreinforcement materials or added with 0.2 ~ 3.0% AL2O3 nanometer strengthening materials
The UV coating of material is used as priming paint, first applies installed floor bottom surface bottoming stiffened, behind solid wood obtained from application UV finish paints in the above
Floor.
9. the solid wooden floor board obtained by a kind of charing heat treatment improvement solid wooden floor board manufacture method according to right 1~8, its
It is characterised by, resulting solid wooden floor board is using fast growing wood, hardness of paint film >=2H of solid wooden floor board, and its corrosion resistant grade is up to two
It is more than level（Weight loss≤24%）, in addition compared with its material processes obtained solid wooden floor board, dimensional stability improves 45%
More than.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108972813A (en) * | 2018-06-29 | 2018-12-11 | 苏州燕泥地热地板科技有限公司 | A kind of micro charring method of solid wooden floor board |
| CN114800748A (en) * | 2022-05-19 | 2022-07-29 | 福建秦朝木业科技有限公司 | Method for making carbonized wood and application |
| IT202100013472A1 (en) * | 2021-05-25 | 2022-11-25 | Sapiens S R L | METHOD FOR THE TREATMENT OF A WOODEN MATERIAL AND MATERIAL THUS OBTAINED |
-
2017
- 2017-11-03 CN CN201711067127.5A patent/CN107813393A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108972813A (en) * | 2018-06-29 | 2018-12-11 | 苏州燕泥地热地板科技有限公司 | A kind of micro charring method of solid wooden floor board |
| IT202100013472A1 (en) * | 2021-05-25 | 2022-11-25 | Sapiens S R L | METHOD FOR THE TREATMENT OF A WOODEN MATERIAL AND MATERIAL THUS OBTAINED |
| EP4094911A1 (en) | 2021-05-25 | 2022-11-30 | Sapiens S.r.l. | Method for the treatment of a wooden material and material so obtained |
| CN114800748A (en) * | 2022-05-19 | 2022-07-29 | 福建秦朝木业科技有限公司 | Method for making carbonized wood and application |
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Application publication date: 20180320 |