CN107081834A - A kind of method of carbonization of wood processing - Google Patents
A kind of method of carbonization of wood processing Download PDFInfo
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- CN107081834A CN107081834A CN201710350609.5A CN201710350609A CN107081834A CN 107081834 A CN107081834 A CN 107081834A CN 201710350609 A CN201710350609 A CN 201710350609A CN 107081834 A CN107081834 A CN 107081834A
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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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Abstract
The invention discloses a kind of method of carbonization of wood processing; using the humidity in regulation dry kiln to 90 100%; repeatedly carry out temperature programming; temperature is passed through the wind-force that wind speed is 1 3m/s into kiln when rising to 120 125 DEG C; finally carry out timber layering measurement moisture; detection moisture content reaches the whole moisture content 8 15% of requirement; dried timber is further carbonized; take multistage heating; when in-furnace temperature reaches 180 220 DEG C; it is passed through inert gas to be protected, prevents due to high temperature dot firebrand material.The present invention prevents timber from producing defect in carbonization process, without any noxious material, and hygroscopicity is greatly reduced, and dimensional stability and corrosion resistance are significantly improved.
Description
Technical field
The invention belongs to woodwork production field field, more particularly to a kind of method of carbonization of wood processing.
Background technology
It is well known that carbonized wood can be divided into superficial charring and deep charring by degree of carbonization.Superficial charring is to use oxygen welding
Rifle carries out baking, wood surface is generated one layer of very thin charring layer, and the change to wood performance can not only be equal to wood oil,
The wood grain of concave-convex surface can also be highlighted, band gives people the aesthetic of vision.Application aspect concentrates on the side such as handicraft, finishing material
Face.Deep charring is also referred to as charing completely, homogeneity charing, is the timber by high temperature carbonization technical finesse, due in high temperature bar
Its nutrition is destroyed under part, is made it have preferable antiseptic insect-repelling function, is equal to anticorrosive wood, because its water absorbing functional groups half are fine
Dimension element is recombinated, and product is had good physical property, deep charring wood is real Green Product, is had without any
Noxious material, not only increases the service life of timber, and will not be useless during use and after use in process of production
Material processing has any negative effect to human body, animal and environment, available for wallboard, outdoor flooring, kitchen finishing and furniture
Deng many-side.Because carbonization of wood handling process is still in conceptual phase, the lumber quality of existing process processing is unstable, easily production
The quality problems of the shape that changes and cracking.
The content of the invention
The purpose for doing invention is that there is provided a kind of method that carbonization of wood is handled in order to solve the deficiencies in the prior art so that
Timber stability after processing is high, is unlikely to deform and ftractures.
The technical solution adopted in the present invention is：A kind of method of carbonization of wood processing, the described method comprises the following steps：
Step 1: being warming up to 50-60 DEG C to the ambient temperature of lumber kiln with 2-3 DEG C/h programming rate, carry simultaneously
High ambient humidity is to 90-100%, heat and moisture preserving 2-3 hours；
Step 2: timber is sawn into wooden unit or the lumps of wood, select to insert preheated wood after the stacking of identical dimensions is good
In material dry kiln, the temperature and humidity in step one is persistently kept to release the vapor in kiln after 6-8 hours；
Step 3: the environment temperature temperature programming of regulation lumber kiln is incubated 24-48 hours to 80-110 DEG C；
Step 4: when measuring timber water content respectively with Wood moisture tester and reaching 3-5%, stopping step 3 and simultaneously releasing in kiln
Vapor, then temperature programming is to 120-125 DEG C, and humidity is to 10-12% in regulation kiln, while being passed through wind speed into kiln for 1-
3m/s wind-force；
Step 5: the timber in step 4 is sampled, saw is three layers from outside to inside, is measured respectively with Wood moisture tester aqueous
Amount；
Step 6: detection is when moisture content reaches the whole moisture content of requirement, terminate drying, the cooling of timber room temperature is removed wood
Material dry kiln；
Step 7: by the timber in step 6 according to from top to bottom, order stacking from left to right it is rearmounted enter the vacuum carbonization of wood
In tank, hermetically sealed can door is brought rapidly up to after 100-105 DEG C by room temperature, is incubated 5-7 hours；
Step 8: after the completion of step 7, vacuum carbonized tank is passed through inert gas after being vacuumized, then enter wood dry charring pot
The temperature programming of the low heating rate of row, when in-furnace temperature reaches 180-220 DEG C, is incubated some hours；
Step 9: after step 8 terminates, stopping heating, natural cooling when being cooled to room temperature, is beaten again after carbonization tank is recovered into normal pressure
Can opening door, removes timber, and charing terminates.
Temperature programming in further optimization, the step 3 is broadly divided into two stages：
A, 80-100 DEG C, heating rate are 8-10 DEG C/h, are incubated 10-12 hours；
B, 100-110 DEG C, heating rate are 11-15 DEG C/h, are incubated 24-28 hours；
Temperature programming in further optimization, the step 4 is broadly divided into three phases：
A, cold stage, 25-80 DEG C, heating rate is 4-5 DEG C/h, is incubated 1-3 hours；
B, hot stage, 80-125 DEG C, heating rate is 4-5 DEG C/h, is incubated 2-4 hours；
C, soaking period, 120-125 DEG C, heating rate is 4-5 DEG C/h, is incubated 16-18.
The whole moisture content of timber is 8-15% in further optimization, the step 6.
Each spacing distance between timber and timber adjacent up and down is 1- in further optimization, the step 7
2cm。
The heating rate of temperature is 30-40 DEG C/h in further optimization, the step 7.
Temperature programming in further optimization, the step 8 is broadly divided into following two stages：
1）, the low-temperature treatment stage, temperature be 100-160 DEG C；
A, 100 DEG C, heating rate be 1-2 DEG C/h, be incubated 2 hours；
B, 120 DEG C, heating rate be 1-2 DEG C/h, be incubated 2 hours；
C, 140 DEG C, heating rate be 1-2 DEG C/h, be incubated 2 hours；
D, 160 DEG C, heating rate be 1-2 DEG C/h, be incubated 2 hours；
2）, the soaking period, temperature be 180-220 DEG C, be incubated 48-72 hours.
The vacuum that carbonization tank is vacuumized in further optimization, the step 8 is 0.06-0.08MPA.
Inert gas in further optimization, the step 8 is nitrogen or argon gas.
Beneficial effects of the present invention are broadly divided into six aspects：
First, the timber in step 2 is in an environment up to 90-100%, in order to the moisture not allowed temporarily in timber to
Air evaporation, uniformly brings up to temperature from top layer to center the value required on drying schedule.
2nd, the purpose of step 3 Program heating is the progress preliminarily dried in order to promote the Free water in timber to volatilize, and
In step 4 at releasing it is moist after evaporation vapor, be further continued for the purpose of fixed heating rate temperature programming be in order to
Hygroscopic water in desiccated wood.
3rd, the purpose of the water content of sampling layering measurement timber is in order that must ensure that each of timber is partly attained by
It is uniform to dry, improve good drying effect.
4th, the purpose of the temperature programming in step be in order to prevent timber because dry too fast, uneven drying, such as timber
Appearance moisture it is readily volatilized, the comparatively speaking more difficult volatilization of the moisture of timber core, so as to cause the inside and outside uneven drying of timber
Weighing apparatus, forms cracking and deforms, the use in influence production and living.
5th, the high-temperature heating purpose of step 8 is in order that the amorphous region drop of the hemicellulose and cellulose in timber
Hygroscopic hydroxyl quantity greatly reduces in solution, timber, while such as resin of the extract in timber, terpenoid, tannin, acid
Class inclusion etc. is largely volatilized.Thus the hygroscopicity of timber is greatly reduced, and dimensional stability and corrosion resistance are significantly improved, this
Inert protective gas is filled with stage, tank, prevents timber from meeting oxygen burning at high temperature.
6th, it must be cooled to during natural cooling, and timber is aoxidized at high temperature, and normal pressure opening could be replied after room temperature
Tank door, otherwise not only easily produces fire but also the intensity of timber can be damaged.
Embodiment
Embodiment 1
A kind of method of carbonization of wood processing, the described method comprises the following steps：
Step 1: 50 DEG C are warming up to the ambient temperature of lumber kiln with 2-3 DEG C/h programming rate, while improving ring
Border humidity is to 90%, heat and moisture preserving 2 hours, and the increased purpose of ambient humidity is to not allow moisture in timber temporarily to air
Evaporation, uniformly brings up to temperature from top layer to center the value required on drying schedule；
Step 2: timber is sawn into wooden unit or the lumps of wood, select to insert preheated wood after the stacking of identical dimensions is good
In material dry kiln, the temperature and humidity in step one is persistently kept to release the vapor in kiln after 6 hours；
Step 3: the environment temperature temperature programming of regulation lumber kiln is broadly divided into two stages to 80-110 DEG C：
A, 80-100 DEG C, heating rate are 8-10 DEG C/h, are incubated 10 hours,
B, 100-110 DEG C, heating rate are 11-15 DEG C/h, are incubated 24 hours,
The purpose of the temperature programming in the two stages is the progress preliminarily dried, under in order to promote the Free water in timber to volatilize
One step is dried and prepared；
Step 4: when measuring timber water content respectively with Wood moisture tester and reaching 3%, stopping step 3 and simultaneously releasing in kiln
Vapor, then temperature programming is to 120-125 DEG C, and humidity is to 10% in regulation kiln, while being passed through the wind that wind speed is 1m/s into kiln
Power, now temperature programming is broadly divided into three phases：
A, cold stage, 25-80 DEG C, heating rate is 4-5 DEG C/h, is incubated 1 hour,
B, hot stage, 80-125 DEG C, heating rate is 4-5 DEG C/h, is incubated 2 hours,
C, soaking period, 120-125 DEG C, heating rate is 4-5 DEG C/h, is incubated 16 hours,
The purpose of the temperature programming in this stage is to be further continued for steaming the hygroscopic water in timber with fixed heating rate temperature programming
Send out, with the evaporation of hygroscopic water, evaporation process is gradually goed deep into microcapillary part, and microcapillary system is inhaled to hygroscopic water
Attached power is bigger, and the heat of required absorption is more during moisture evaporation, and the dry time is longer, and the speed of moisture content reduction is also slow；
Step 5: the timber in step 4 is sampled, saw is three layers from outside to inside, is measured respectively with Wood moisture tester aqueous
Amount, in order to so that ensuring that each of timber is partly attained by uniform drying, improve good drying effect；
Step 6: detection is when moisture content reaches the whole moisture content 8% of requirement, terminate drying, make the cooling removal of timber room temperature
Lumber kiln；
Step 7: by the timber in step 6 according to from top to bottom, order stacking from left to right it is rearmounted enter the vacuum carbonization of wood
In tank, hermetically sealed can door is brought rapidly up to after 100-105 DEG C by room temperature, and heating rate is 30 DEG C/h, is incubated 5 hours；
Step 8: after the completion of step 7, vacuum carbonized tank is passed through inert gas after being vacuumized, then enter wood dry charring pot
The temperature programming of the low heating rate of row, when in-furnace temperature reaches 180-220 DEG C, is incubated some hours, now temperature programming is main
It is divided into low-temperature treatment stage and soaking period：
1）, the low-temperature treatment stage, temperature be 100-160 DEG C；
A, 100 DEG C, heating rate be 1-2 DEG C/h, be incubated 2 hours；
B, 120 DEG C, heating rate be 1-2 DEG C/h, be incubated 2 hours；
C, 140 DEG C, heating rate be 1-2 DEG C/h, be incubated 2 hours；
D, 160 DEG C, heating rate be 1-2 DEG C/h, be incubated 2 hours；
2）, the soaking period, temperature be 180-220 DEG C, be incubated 48 hours；
Step 9: after step 8 terminates, stopping heating, natural cooling when being cooled to room temperature, is beaten again after carbonization tank is recovered into normal pressure
Can opening door, removes timber, and charing terminates.
Each spacing distance between timber and timber adjacent up and down is in further optimization, the step 7
1cm。
The vacuum that carbonization tank is vacuumized in further optimization, the step 8 is 0.06-0.08MPA.
Inert gas in further optimization, the step 8 is nitrogen or argon gas.
Embodiment 2
A kind of method of carbonization of wood processing, the described method comprises the following steps：
Step 1: 55 DEG C are warming up to the ambient temperature of lumber kiln with 2-3 DEG C/h programming rate, while improving ring
Border humidity is to 95%, heat and moisture preserving 2 hours, and the increased purpose of ambient humidity is to not allow moisture in timber temporarily to air
Evaporation, uniformly brings up to temperature from top layer to center the value required on drying schedule；
Step 2: timber is sawn into wooden unit or the lumps of wood, select to insert preheated wood after the stacking of identical dimensions is good
In material dry kiln, the temperature and humidity in step one is persistently kept to release the vapor in kiln after 7 hours；
Step 3: the environment temperature temperature programming of regulation lumber kiln is broadly divided into two stages to 80-110 DEG C：
A, 80-100 DEG C, heating rate are 8-10 DEG C/h, are incubated 11 hours,
B, 100-110 DEG C, heating rate are 11-15 DEG C/h, are incubated 26 hours,
The purpose of the temperature programming in the two stages is the progress preliminarily dried, under in order to promote the Free water in timber to volatilize
One step is dried and prepared；
Step 4: when measuring timber water content respectively with Wood moisture tester and reaching 4%, stopping step 3 and simultaneously releasing in kiln
Vapor, then temperature programming is to 120-125 DEG C, and humidity is to 11% in regulation kiln, while being passed through the wind that wind speed is 2m/s into kiln
Power, now temperature programming is broadly divided into three phases：
A, cold stage, 25-80 DEG C, heating rate is 4-5 DEG C/h, is incubated 2 hours,
B, hot stage, 80-125 DEG C, heating rate is 4-5 DEG C/h, is incubated 3 hours,
C, soaking period, 120-125 DEG C, heating rate is 4-5 DEG C/h, is incubated 17 hours,
The purpose of the temperature programming in this stage is to be further continued for steaming the hygroscopic water in timber with fixed heating rate temperature programming
Send out, with the evaporation of hygroscopic water, evaporation process is gradually goed deep into microcapillary part, and microcapillary system is inhaled to hygroscopic water
Attached power is bigger, and the heat of required absorption is more during moisture evaporation, and the dry time is longer, and the speed of moisture content reduction is also slow；
Step 5: the timber in step 4 is sampled, saw is three layers from outside to inside, is measured respectively with Wood moisture tester aqueous
Amount, in order to so that ensuring that each of timber is partly attained by uniform drying, improve good drying effect；
Step 6: detection is when moisture content reaches the whole moisture content 11% of requirement, terminate drying, make the cooling shifting of timber room temperature
Go out lumber kiln；
Step 7: by the timber in step 6 according to from top to bottom, order stacking from left to right it is rearmounted enter the vacuum carbonization of wood
In tank, hermetically sealed can door is brought rapidly up to after 100-105 DEG C by room temperature, and heating rate is 30-40 DEG C/h, is incubated 6 hours；
Step 8: after the completion of step 7, vacuum carbonized tank is passed through inert gas after being vacuumized, then enter wood dry charring pot
The temperature programming of the low heating rate of row, when in-furnace temperature reaches 180-220 DEG C, is incubated some hours, now temperature programming is main
It is divided into low-temperature treatment stage and soaking period：
1）, the low-temperature treatment stage, temperature be 100-160 DEG C；
A, 100 DEG C, heating rate be 1-2 DEG C/h, be incubated 2 hours；
B, 120 DEG C, heating rate be 1-2 DEG C/h, be incubated 2 hours；
C, 140 DEG C, heating rate be 1-2 DEG C/h, be incubated 2 hours；
D, 160 DEG C, heating rate be 1-2 DEG C/h, be incubated 2 hours；
2）, the soaking period, temperature be 180-220 DEG C, be incubated 60 hours；
Step 9: after step 8 terminates, stopping heating, natural cooling when being cooled to room temperature, is beaten again after carbonization tank is recovered into normal pressure
Can opening door, removes timber, and charing terminates.
Each spacing distance between timber and timber adjacent up and down is in further optimization, the step 7
1cm。
The vacuum that carbonization tank is vacuumized in further optimization, the step 8 is 0.06-0.08MPA.
Inert gas in further optimization, the step 8 is nitrogen or argon gas.
Embodiment 3
A kind of method of carbonization of wood processing, the described method comprises the following steps：
Step 1: 60 DEG C are warming up to the ambient temperature of lumber kiln with 2-3 DEG C/h programming rate, while improving ring
Border humidity is to 100%, heat and moisture preserving 3 hours, and the increased purpose of ambient humidity is to not allow moisture in timber temporarily to air
Evaporation, uniformly brings up to temperature from top layer to center the value required on drying schedule；
Step 2: timber is sawn into wooden unit or the lumps of wood, select to insert preheated wood after the stacking of identical dimensions is good
In material dry kiln, the temperature and humidity in step one is persistently kept to release the vapor in kiln after 6-8 hours；
Step 3: the environment temperature temperature programming of regulation lumber kiln is broadly divided into two stages to 80-110 DEG C：
A, 80-100 DEG C, heating rate are 8-10 DEG C/h, are incubated 12 hours,
B, 100-110 DEG C, heating rate are 11-15 DEG C/h, are incubated 28 hours,
The purpose of the temperature programming in the two stages is the progress preliminarily dried, under in order to promote the Free water in timber to volatilize
One step is dried and prepared；
Step 4: when measuring timber water content respectively with Wood moisture tester and reaching 5%, stopping step 3 and simultaneously releasing in kiln
Vapor, then temperature programming is to 120-125 DEG C, and humidity is to 12% in regulation kiln, while being passed through the wind that wind speed is 3m/s into kiln
Power, now temperature programming is broadly divided into three phases：
A, cold stage, 25-80 DEG C, heating rate is 4-5 DEG C/h, is incubated 3 hours,
B, hot stage, 80-125 DEG C, heating rate is 4-5 DEG C/h, is incubated 4 hours,
C, soaking period, 120-125 DEG C, heating rate is 4-5 DEG C/h, is incubated 18 hours,
The purpose of the temperature programming in this stage is to be further continued for steaming the hygroscopic water in timber with fixed heating rate temperature programming
Send out, with the evaporation of hygroscopic water, evaporation process is gradually goed deep into microcapillary part, and microcapillary system is inhaled to hygroscopic water
Attached power is bigger, and the heat of required absorption is more during moisture evaporation, and the dry time is longer, and the speed of moisture content reduction is also slow；
Step 5: the timber in step 4 is sampled, saw is three layers from outside to inside, is measured respectively with Wood moisture tester aqueous
Amount, in order to so that ensuring that each of timber is partly attained by uniform drying, improve good drying effect；
Step 6: detection is when moisture content reaches the whole moisture content 15% of requirement, terminate drying, make the cooling shifting of timber room temperature
Go out lumber kiln；
Step 7: by the timber in step 6 according to from top to bottom, order stacking from left to right it is rearmounted enter the vacuum carbonization of wood
In tank, hermetically sealed can door is brought rapidly up to after 100-105 DEG C by room temperature, and heating rate is 30-40 DEG C/h, is incubated 7 hours；
Step 8: after the completion of step 7, vacuum carbonized tank is passed through inert gas after being vacuumized, then enter wood dry charring pot
The temperature programming of the low heating rate of row, when in-furnace temperature reaches 180-220 DEG C, is incubated some hours, now temperature programming is main
It is divided into low-temperature treatment stage and soaking period：
1）, the low-temperature treatment stage, temperature be 100-160 DEG C；
A, 100 DEG C, heating rate be 1-2 DEG C/h, be incubated 2 hours；
B, 120 DEG C, heating rate be 1-2 DEG C/h, be incubated 2 hours；
C, 140 DEG C, heating rate be 1-2 DEG C/h, be incubated 2 hours；
D, 160 DEG C, heating rate be 1-2 DEG C/h, be incubated 2 hours；
2）, the soaking period, temperature be 180-220 DEG C, be incubated 72 hours；
Step 9: after step 8 terminates, stopping heating, natural cooling when being cooled to room temperature, is beaten again after carbonization tank is recovered into normal pressure
Can opening door, removes timber, and charing terminates.
Each spacing distance between timber and timber adjacent up and down is in further optimization, the step 7
2cm。
The vacuum that carbonization tank is vacuumized in further optimization, the step 8 is 0.06-0.08MPA.
Inert gas in further optimization, the step 8 is nitrogen or argon gas.
Principal character, general principle and the advantages of the present invention of the present invention has been shown and described above.Industry technology
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, the present invention can also have various change according to actual conditions
And improvement, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended
Claims and its equivalent thereof.
Claims (8)
1. a kind of method of carbonization of wood processing, it is characterised in that the described method comprises the following steps：
Step 1: being warming up to 50-60 DEG C to the ambient temperature of lumber kiln with 2-3 DEG C/h programming rate, carry simultaneously
High ambient humidity is to 90-100%, heat and moisture preserving 2-3 hours；
Step 2: timber is sawn into wooden unit or the lumps of wood, select to insert preheated wood after the stacking of identical dimensions is good
In material dry kiln, the temperature and humidity in step one is persistently kept to release the vapor in kiln after 6-8 hours；
Step 3: the environment temperature temperature programming of regulation lumber kiln is incubated 24-48 hours to 80-110 DEG C；
Step 4: when measuring timber water content respectively with Wood moisture tester and reaching 3-5%, stopping step 3 and simultaneously releasing in kiln
Vapor, then temperature programming is to 120-125 DEG C, and humidity is to 10-12% in regulation kiln, while being passed through wind speed into kiln for 1-
3m/s wind-force；
Step 5: the timber in step 4 is sampled, saw is three layers from outside to inside, is measured respectively with Wood moisture tester aqueous
Amount；
Step 6: detection is when moisture content reaches the whole moisture content of requirement, terminate drying, the cooling of timber room temperature is removed wood
Material dry kiln；
Step 7: by the timber in step 6 according to from top to bottom, order stacking from left to right it is rearmounted enter the vacuum carbonization of wood
In tank, hermetically sealed can door is brought rapidly up to after 100-105 DEG C by room temperature, is incubated 5-7 hours；
Step 8: being passed through inert gas after vacuum carbonized tank is vacuumized, wood dry charring pot is then subjected to low heating speed
The temperature programming of rate, when in-furnace temperature reaches 180-220 DEG C, is incubated some hours；
Step 9: after step 8 terminates, stopping heating, natural cooling when being cooled to room temperature, is beaten again after carbonization tank is recovered into normal pressure
Can opening door, removes timber, and charing terminates.
2. a kind of method that carbonization of wood is handled according to claim 1, it is characterised in that the program liter in the step 3
Temperature is broadly divided into two stages：
A, 80-100 DEG C, heating rate are 8-10 DEG C/h, are incubated 10-12 hours；
B, 100-110 DEG C, heating rate are 11-15 DEG C/h, are incubated 24-28 hours；
A kind of method that according to claim 1, carbonization of wood is handled, it is characterised in that the temperature programming in the step 4
It is broadly divided into three phases：
A, cold stage, 25-80 DEG C, heating rate is 4-5 DEG C/h, is incubated 1-3 hours；
B, hot stage, 80-125 DEG C, heating rate is 4-5 DEG C/h, is incubated 2-4 hours；
C, soaking period, 120-125 DEG C, heating rate is 4-5 DEG C/h, is incubated 16-18.
3. a kind of method that drying of wood is handled according to claim 1, it is characterised in that the end of timber in the step 6
Moisture content is 8-15%.
4. a kind of method that carbonization of wood is handled according to claim 1, it is characterised in that each timber in the step 7
Spacing distance is 1-2cm between timber adjacent up and down.
5. a kind of method that carbonization of wood is handled according to claim 1, it is characterised in that
The heating rate of temperature is 30-40 DEG C/h in the step 7.
6. a kind of method that carbonization of wood is handled according to claim 1, it is characterised in that the program liter in the step 8
Temperature is broadly divided into following two stages：
1）, the low-temperature treatment stage, temperature be 100-160 DEG C；
A, 100 DEG C, heating rate be 1-2 DEG C/h, be incubated 2 hours；
B, 120 DEG C, heating rate be 1-2 DEG C/h, be incubated 2 hours；
C, 140 DEG C, heating rate be 1-2 DEG C/h, be incubated 2 hours；
D, 160 DEG C, heating rate be 1-2 DEG C/h, be incubated 2 hours；
2）, the soaking period, temperature be 180-220 DEG C, be incubated 48-72 hours.
7. a kind of method that carbonization of wood is handled according to claim 1, it is characterised in that carbonization tank is taken out in the step 8
The vacuum of vacuum is 0.06-0.08MPA.
8. a kind of method that carbonization of wood is handled according to claim 1, it is characterised in that the indifferent gas in the step 8
Body is nitrogen or argon gas.
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| CN109291192B (en) * | 2018-11-22 | 2021-03-02 | 福建农林大学 | Processing method of decorative plate with dimple pattern |
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| CN111216208B (en) * | 2020-03-10 | 2021-12-21 | 广西格卡环保科技有限公司 | Wood carbonization treatment method and equipment |
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Application publication date: 20170822 |