CN103302715A - Method for producing homogenous carbonized wood by using pinus massoniana wood as raw material - Google Patents
Method for producing homogenous carbonized wood by using pinus massoniana wood as raw material Download PDFInfo
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Abstract
The invention relates to a method for producing homogenous carbonized wood by using pinus massoniana wood as a raw material, and belongs to the technical field of processing of forestry products. The method is implemented through processes of degreasing, carbonizing and the like. The method has the benefits that the pinus massoniana wood is degreased, so the phenomena of non-uniform internal and external carbonization degree caused by excessive external carbonation at high temperature when excessive grease is overflown in a carbonization process can be avoided, and foundation is laid for homogenous carbonization; different heating and cooling speed, carbonization temperature and carbonization time are adopted according to different materials and colors of the pinus massoniana raw materials, so that each part of the pinus massoniana wood can be subjected to carbonization with the same degree from outside to inside, moisture absorptivity, dimensional stability, mechanical property, corrosion resistance, hardness, pressure resistance, gluing and surface coating performance, particularly color of each part show the same good characteristic, the true homogenous effect is achieved, the application field of the pinus massoniana wood is greatly enlarged, and the application value and the economic benefit are improved.
Description
Technical field
The invention belongs to the forestry products processing technique field, particularly a kind of take the production method of Masson pine timber as raw-material homogeneity carbonized wood.
Background technology
Carbonized wood is to use high temperature and timber is carried out charing process not containing under any chemical agent condition, make its nutritional labeling destroyed, thereby have preferably antiseptic insect-repelling function, because its water absorbing functional groups hemicellulose is reorganized, make product have preferably physical property.
Carbonized wood is real Green Product, although product has the antiseptic insect-repelling performance, but do not contain any harmful substance, not only improved the service life of timber, and not in process of production in the use procedure and the waste disposal after using human body, animal and environment are had any negative effect; Has dark-brown aesthetic through the wood surface after the charing, and have effects of anticorrosion and antibiont invasion and attack, its moisture content is low, be difficult for suction, stable material quality, indeformable, complete degreasing do not overflow fat, heat-proof quality is good, construction is simple, brushing is convenient, without special odor, be desirable indoor and sauna material, become bathroom and decorate new fashion trend; Its Perishing prevention, anti-insect, resistance to deformation cracking, resistance to elevated temperatures also becomes the ideal material of outdoor swimming pool view.
Carbonized wood in the market mainly is top layer carbonized wood and deep charring wood, the top layer carbonized wood is with oxygen welding gun barbecue, makes wood surface have the very thin charring layer of one deck, to the change of wood performance can analogy timber paint, but can highlight the wood grain of concave-convex surface, produce stereoeffect; Deep charring wood is the timber through the high temperature carbonization technical finesse about 200 degree, making its deep layer also obtain charing processes, destroy its inner nutritional labeling, change the structure of its water absorbing functional groups hemicellulose, reach the purpose of anticorrosion protection against the tide and then the effect that increases the service life.
Although deep charring wood can reach the effect of anticorrosion protection against the tide, but its inside and outside shade differs, had a strong impact on the quality effect of further converted products, for this reason, applicant research team is through studying practice for a long period of time, summed up the method for producing of a cover homogeneity carbonized wood, not only can anticorrosion protection against the tide, and also color is attractive in appearance, even, durable.
The seeds of making at present carbonized wood mainly contain pinus sylvestris var. mongolica, Chinese hemlock spruce, toothed oak wood etc., do not see also that at present the employing masson pine is raw-material, mainly be because the resin caliber of masson pine is flourishing, Oleoresin Contents is high, the timber distortion is large, warps and fractures when drying more serious, not corrosion resistant, when temperature is high even overflow the grease contamination face, cause paint, bonding property bad; Thereby in furniture, use less, main for building template, ore pillar, making sheet, packing case, splint, glued board etc. at present, or as the raw material of beaver board; But masson pine is extensively planted in the most of mountain region of China, because of the limitation of its application, so that its due economic worth is not given full play to as a kind of fast-growing economic forest; Indirectly cause the destruction of other rare tree or wild timber.
Summary of the invention
Technical problem to be solved by this invention provides a kind of with Masson pine timber process high-temperature process, to change its mechanical property, anti-corrosion property energy and bonding property, expand its application, give full play to its due economic worth, and then reduce the destruction to other rare tree or wild timber.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is a kind of take the production method of Masson pine timber as raw-material homogeneity carbonized wood, by cut out saw, degreasing, drying, health moisture regain, stacking, advance kiln, intensification, charing, cooling, kiln discharge totally ten one procedures finish, its feature is as follows at concrete production stage.
⑴ cut out saw: it is 100-300cm that the Masson pine timber sanction is sawn into length, the timber of thickness 2-6cm.
⑵ degreasing: boiled continuously in the lime aqueous solution 5-6 hour being immersed in behind the timber pile, then rinsing is clean in clear water, and then is immersed in and boiled continuously in the hydrogen peroxide solution 5-6 hour, and then rinsing is clean in clear water; Wherein the concentration of lime aqueous solution is 20%, and hydrogen peroxide solution concentration is 1 ‰.
⑶ dry: conventional vapour seasoning kiln temperature is adjusted between 72-78 ℃, and the spray water steam makes it to be saturation state in the conventional vapour seasoning kiln, then the Masson pine timber after the degreasing being put into conventional vapour seasoning kiln fully absorbs water, the Masson pine timber suction state that reaches capacity after 25-30 hour, then stop the spray water steam, regulate conventional vapour seasoning kiln temperature at 65-70 ℃, vexed kiln 12-15 hour, then open the outside exhaust of steam vent, and conventional vapour seasoning kiln temperature risen to 82-87 ℃ gradually, get rid of water 3-5 hour; 2-4 time so repeatedly, then detect moisture content, until moisture content is 6-8%.
⑷ health moisture regain: dried Masson pine timber is moved to the moisture regain chamber stacked 7-12 days, make the fiber moisture absorption uniformly and stably in the Masson pine timber, and with moisture control at 10-12%.
⑸ stacking: the Masson pine timber after will getting damp again is piled up on steelframe, separates with stainless steel strip between timber and the timber, and briquetting is placed on the upper strata; Wherein the thickness of steel bar is 1-2cm, and briquetting is the high-density objects of stable performance, its placement amount be the 0.5-1.0 ton/square metre.
⑹ advance kiln: the Masson pine timber that code is good pushes charing and processes in the kiln, and the sealing wicket is closed each pore that kiln is processed in charing.
⑺ heat up: will heat up in the kiln, per hour heat up 9-12 ℃, be interrupted and erupt steam in kiln, make the interior relative humidity of kiln remain 100%; At first stable continuing kept 2-4 hour at 80 ℃ of temperature places, and then stable continuing kept 2-4 hour at 120 ℃ of temperature places, and stable continuing kept 2-4 hour at 140 ℃ of temperature places again, then rose to gradually 160-220 ℃.
⑻ charing: keeping kiln temperature according to Masson pine timber raw material condition and color demand is 160-220 ℃, is interrupted and erupts steam in kiln, makes that relative humidity remains 100% in the kiln, continues to process 100-300min.
⑼ cooling: open each pore, will lower the temperature in the kiln, per hour lower the temperature 9-12 ℃, be interrupted and in kiln, erupt steam, and make the interior relative humidity of kiln be down to gradually 40%-45% from 100%; In temperature-fall period, at first kept 2-4 hour at 140 ℃ of temperature places, kept 2-4 hour at 120 ℃ of temperature places again, then continue cooling, temperature in the stove maintained be higher than 50 ℃ of room temperatures and locate to carry out drying, until moisture content when being 4.5%-8.0%, is closed thermal source, stop to erupt steam, open kiln fully, naturally cooling.
⑽ kiln discharge: when kiln temperature is down to below 45 ℃, take out timber, be the homogeneity carbonization wood finished product of Masson pine timber.
In heating step ⑻, charing step ⑼ and cooling step ⑽, when charing pinus massoniana early wood and when needing the yellow carbonized wood of color clear, per hour heat up during intensification 9 ℃, at the 168-172 ℃ of lower 150-160min that processes, per hour lower the temperature during cooling 9 ℃ during charing.
In heating step ⑻, charing step ⑼ and cooling step ⑽, when charing pinus massoniana early wood and when needing the yellowish-brown carbonized wood of color elegance, per hour heat up during intensification 10 ℃, at the 190-195 ℃ of lower 220-230min that processes, per hour lower the temperature during cooling 10 ℃ during charing.
In heating step ⑻, charing step ⑼ and cooling step ⑽, when charing pinus massoniana early wood and when needing the brown carbonized wood of color maturation, per hour heat up during intensification 11 ℃, at the 205-210 ℃ of lower 280-290min that processes, per hour lower the temperature during cooling 11 ℃ during charing.
In heating step ⑻, charing step ⑼ and cooling step ⑽, as charing pinus massoniana late wood and when needing the yellowish-brown carbonized wood of color elegance, per hour heat up during intensification 10 ℃, at the 168-172 ℃ of lower 180-190min that processes, per hour lower the temperature during cooling 10 ℃ during charing.
In heating step ⑻, charing step ⑼ and cooling step ⑽, as charing pinus massoniana late wood and when needing the brown carbonized wood of color maturation, per hour heat up during intensification 11 ℃, at the 190-195 ℃ of lower 240-250min that processes, per hour lower the temperature during cooling 11 ℃ during charing.
In heating step ⑻, charing step ⑼ and cooling step ⑽, as charing pinus massoniana late wood and when needing the serious sepia carbonized wood of color, per hour heat up during intensification 12 ℃, at the 205-210 ℃ of lower 290-300min that processes, per hour lower the temperature during cooling 12 ℃ during charing.
The invention has the beneficial effects as follows at first Masson pine timber is carried out ungrease treatment, can avoid in the charing processing procedure inhomogeneous phenomenon inside and outside the degree of carbonization excessively occurring because the fat that overflows too much causes outer charing when the high temperature, lay a solid foundation for realizing the homogeneity charing; Directly oxygen in the kiln is removed behind the envelope kiln, can be avoided adding inert gas; Then take different intensifications and cooling rate according to the raw-material unlike material of masson pine with the different colours target, carbonization temperature and carbonization time, can guarantee that so from outside to inside each position charing of obtaining same degree of Masson pine timber processes, make the hygroscopicity at its each position, dimensional stability, mechanical property, corrosion resistance, hardness and crushing resistance, gummed and top finishing performance, particularly color all demonstrates identical superperformance, reach real homogeneity charing effect, so greatly expand the application of Masson pine timber, improved using value and economic benefit.
The specific embodiment
The invention will be further described below in conjunction with embodiment, and following examples are intended to illustrate the present invention rather than limitation of the invention further, should not limit protection scope of the present invention with this.
Embodiment 1.
It is 100cm that 10m3 Masson pine timber sanction is sawn into length, the timber of thickness 2cm; Then be immersed in concentration and be in 20% the lime aqueous solution and boiled continuously 5 hours, put into the clear water rinsing clean again, then being immersed in concentration is to boil continuously in 1 ‰ hydrogen peroxide solutions 5 hours, puts into the clear water rinsing clean again; Then conventional vapour seasoning kiln temperature is adjusted to 72 ℃, and the spray water steam makes it to be saturation state in the conventional vapour seasoning kiln, then the Masson pine timber after the degreasing being put into conventional vapour seasoning kiln fully absorbs water, the Masson pine timber suction state that reaches capacity after 25 hours, then stop the spray water steam, regulating conventional vapour seasoning kiln temperature is 65 ℃, vexed kiln 12 hours, then open the outside exhaust of steam vent, and conventional vapour seasoning kiln temperature risen to 82 ℃ gradually, got rid of water 3 hours; 2 times so repeatedly, then detect moisture content, recording moisture content is 6%; Then dried Masson pine timber is moved to the moisture regain chamber and stacked 10 days, make the fiber moisture absorption uniformly and stably in the Masson pine timber, obtain moisture content and be 10% Masson pine timber.
Then Masson pine timber being piled up on steelframe, is that the stainless steel strip of 1cm separates with thickness between timber and the timber, is 5 square metres because upper surface is long-pending, so place 2.5 tons of channel-section steels as briquetting; Then the Masson pine timber that code is good pushes in the charing processing kiln, seals wicket again, closes each pore; Then will heat up in the kiln, per hour heat up 9 ℃, be interrupted and in kiln, erupt steam, make the interior relative humidity of kiln remain 100%; At first stable continuing kept 2 hours at 80 ℃ of temperature places, and then stable continuing kept 2 hours at 120 ℃ of temperature places, and stable continuing kept 2 hours at 140 ℃ of temperature places again, then rose to gradually 160 ℃; And continue to be interrupted and in kiln, to erupt steam, make that relative humidity remains 100% in the kiln, open each pore after continuing to process 100min, to lower the temperature in the kiln, per hour lower the temperature 9 ℃, continue simultaneously to be interrupted and in kiln, erupt steam, and make the interior relative humidity of kiln be down to gradually 40% from 100%; In temperature-fall period, at first kept 2 hours at 140 ℃ of temperature places, kept 2 hours at 120 ℃ of temperature places again, then continue cooling, room temperature was 30 ℃ at that time, located dry 4 hours so temperature in the stove is maintained 80 ℃, when at this moment recording moisture content and being 4.5%, so close thermal source, stop to erupt steam, open kiln fully, carry out the nature cooling; When kiln temperature is down to below 45 ℃, take out timber, namely obtain the homogeneity carbonization wood finished product of Masson pine timber; The color of this carbonized wood is dark-brown.
Embodiment 2.
It is 200cm that 10m3 Masson pine timber early wood sanction is sawn into length, the timber of thickness 5cm; Then be immersed in concentration and be in 20% the lime aqueous solution and boiled continuously 5 hours, put into the clear water rinsing clean again, then being immersed in concentration is to boil continuously in 1 ‰ hydrogen peroxide solutions 5 hours, puts into the clear water rinsing clean again; Then conventional vapour seasoning kiln temperature is adjusted to 72 ℃, and the spray water steam makes it to be saturation state in the conventional vapour seasoning kiln, then the Masson pine timber after the degreasing being put into conventional vapour seasoning kiln fully absorbs water, the Masson pine timber suction state that reaches capacity after 25 hours, then stop the spray water steam, regulating conventional vapour seasoning kiln temperature is 65 ℃, vexed kiln 12 hours, then open the outside exhaust of steam vent, and conventional vapour seasoning kiln temperature risen to 82 ℃ gradually, got rid of water 3 hours; 2 times so repeatedly, then detect moisture content, recording moisture content is 6%; Then dried Masson pine timber is moved to the moisture regain chamber and stacked 10 days, make the fiber moisture absorption uniformly and stably in the Masson pine timber, obtain moisture content and be 11% Masson pine timber.
Then the Masson pine timber after will getting damp again is piled up on steelframe, is that the stainless steel strip of 1cm separates with thickness between timber and the timber, is 5 square metres because upper surface is long-pending, so place 2.5 tons of channel-section steels as briquetting; Then the Masson pine timber that code is good pushes in the charing processing kiln, seals wicket again, closes each pore; Then will heat up in the kiln, because needing the yellow carbonized wood of color clear, therefore per hour heat up 9 ℃, be interrupted and in kiln, erupt steam, make the interior relative humidity of kiln remain 100%; At first stable continuing kept 2 hours at 80 ℃ of temperature places, and then stable continuing kept 2 hours at 120 ℃ of temperature places, and stable continuing kept 2 hours at 140 ℃ of temperature places again, then rose to gradually 168 ℃; Continue to be interrupted and in kiln, erupt steam, make the interior relative humidity of kiln remain 100%, continue to process 160min; Then open each pore, will lower the temperature in the kiln, per hour lower the temperature 9 ℃, be interrupted and in kiln, erupt steam, and make the interior relative humidity of kiln be down to gradually 40% from 100%; In temperature-fall period, at first kept 2 hours at 140 ℃ of temperature places, kept 2 hours at 120 ℃ of temperature places again, then continue cooling, room temperature was 26 ℃ at that time, located dry 260min so temperature in the stove is maintained 76 ℃, and recording moisture content is 5%, so close thermal source, stop to erupt steam, open kiln fully, carry out the nature cooling; When kiln temperature is down to below 45 ℃, take out timber, obtain the homogeneity carbonization wood finished product of Masson pine timber; The color of this carbonized wood is painted yellow carbonized wood.
Embodiment 3.
It is 200cm that 10m3 Masson pine timber early wood sanction is sawn into length, the timber of thickness 5cm; Then be immersed in concentration and be in 20% the lime aqueous solution and boiled continuously 5 hours, put into the clear water rinsing clean again, then being immersed in concentration is to boil continuously in 1 ‰ hydrogen peroxide solutions 5 hours, puts into the clear water rinsing clean again; Then conventional vapour seasoning kiln temperature is adjusted to 73 ℃, and the spray water steam makes it to be saturation state in the conventional vapour seasoning kiln, then the Masson pine timber after the degreasing being put into conventional vapour seasoning kiln fully absorbs water, the Masson pine timber suction state that reaches capacity after 26 hours, then stop the spray water steam, regulate conventional vapour seasoning kiln temperature at 66 ℃, vexed kiln 12.5 hours, then open the outside exhaust of steam vent, and conventional vapour seasoning kiln temperature risen to 83 ℃ gradually, get rid of water 220min; 2 times so repeatedly, then detect moisture content, recording moisture content is 6.5%; Then dried Masson pine timber is moved to the moisture regain chamber and stacked 10 days, make the fiber moisture absorption uniformly and stably in the Masson pine timber, obtain moisture content and be 11% Masson pine timber.
Then the Masson pine timber after will getting damp again is piled up on steelframe, is that the stainless steel strip of 1cm separates with thickness between timber and the timber, is 5 square metres because upper surface is long-pending, so place 3 tons of cement blocks as briquetting; Then the Masson pine timber that code is good pushes in the charing processing kiln, seals wicket again, closes each pore that kiln is processed in charing; Then will heat up in the kiln, because needing the yellowish-brown carbonized wood of color elegance, therefore per hour heat up 10 ℃, be interrupted and in kiln, erupt steam, make the interior relative humidity of kiln remain 100%; At first then the stable maintenance 150min that continues at 80 ℃ of temperature places stablizes at 120 ℃ of temperature places and continues to keep 150min, and then the stable lasting maintenance 150min at 140 ℃ of temperature places rises to 190 ℃ gradually again; Continue to be interrupted and in kiln, erupt steam, make the interior relative humidity of kiln remain 100%, continue to process 220min; Then open each pore, will lower the temperature in the kiln, per hour lower the temperature 10 ℃, be interrupted and in kiln, erupt steam, and make the interior relative humidity of kiln be down to gradually 41% from 100%; In temperature-fall period, at first keep 150min at 140 ℃ of temperature places, keep 150min at 120 ℃ of temperature places again, then continue cooling, because room temperature is 28 ℃, so being maintained 78 ℃, temperature in the stove locates dry 220min, recording moisture content is 6.0%, so close thermal source, stop to erupt steam, open kiln fully, carry out the nature cooling; When kiln temperature is down to below 45 ℃, take out timber, be the homogeneity carbonization wood finished product of Masson pine timber; The color of this carbonized wood is the yellowish-brown carbonized wood of color elegance.
Embodiment 4.
It is 200cm that 10m3 Masson pine timber early wood sanction is sawn into length, the timber of thickness 5cm; Then be immersed in concentration and be in 20% the lime aqueous solution and boiled continuously 5 hours, put into the clear water rinsing clean again, then being immersed in concentration is to boil continuously in 1 ‰ hydrogen peroxide solutions 5 hours, puts into the clear water rinsing clean again; Then conventional vapour seasoning kiln temperature is adjusted in 74 ℃, and the spray water steam makes it to be saturation state in the conventional vapour seasoning kiln, then the Masson pine timber after the degreasing being put into conventional vapour seasoning kiln fully absorbs water, the Masson pine timber suction state that reaches capacity after 26 hours, then stop the spray water steam, regulate conventional vapour seasoning kiln temperature at 67 ℃, vexed kiln 13 hours, then open the outside exhaust of steam vent, and conventional vapour seasoning kiln temperature risen to 84 ℃ gradually, got rid of water 4 hours; 2 times so repeatedly, then detect moisture content, until moisture content is 6%; Then dried Masson pine timber is moved to the moisture regain chamber and stacked 10 days, make the fiber moisture absorption uniformly and stably in the Masson pine timber, obtain moisture content and be 11% Masson pine timber.
Then the Masson pine timber after will getting damp again is piled up on steelframe, is that the stainless steel strip of 1.5cm separates with thickness between timber and the timber, is 5 square metres because upper surface is long-pending, so place 3.5 tons of stones as briquetting; Then the Masson pine timber that code is good pushes in the charing processing kiln, seals wicket again, closes each pore that kiln is processed in charing; Then will heat up in the kiln, because needing the brown carbonized wood of color maturation, therefore per hour heat up 11 ℃, be interrupted and in kiln, erupt steam, make the interior relative humidity of kiln remain 100%; At first stable continuing kept 3 hours at 80 ℃ of temperature places, and then stable continuing kept 3 hours at 120 ℃ of temperature places, and stable continuing kept 3 hours at 140 ℃ of temperature places again, then rose to gradually 205 ℃; Continue to be interrupted and in kiln, erupt steam, make the interior relative humidity of kiln remain 100%, continue to process 280min; Then open each pore, will lower the temperature in the kiln, per hour lower the temperature 11 ℃, be interrupted and in kiln, erupt steam, and make the interior relative humidity of kiln be down to gradually 42% from 100%; In temperature-fall period, at first kept 3 hours at 140 ℃ of temperature places, kept 3 hours at 120 ℃ of temperature places again, then continue cooling, because room temperature is 29 ℃, therefore being maintained 79 ℃, temperature in the stove locates dry 220min, recording moisture content is 6.5%, so close thermal source, stop to erupt steam, open kiln fully, carry out the nature cooling; When kiln temperature is down to below 45 ℃, take out timber, be the homogeneity carbonization wood finished product of Masson pine timber early wood; The color of this carbonized wood is the brown carbonized wood of color maturation.
Embodiment 5.
It is 200cm that 10m3 Masson pine timber late wood sanction is sawn into length, the timber of thickness 5cm; Then be immersed in concentration and be in 20% the lime aqueous solution and boiled continuously 6 hours, put into the clear water rinsing clean again, then being immersed in concentration is to boil continuously in 1 ‰ hydrogen peroxide solutions 6 hours, puts into the clear water rinsing clean again; Then conventional vapour seasoning kiln temperature is adjusted in 76 ℃, and the spray water steam makes it to be saturation state in the conventional vapour seasoning kiln, then the Masson pine timber after the degreasing being put into conventional vapour seasoning kiln fully absorbs water, the Masson pine timber suction state that reaches capacity after 28 hours, then stop the spray water steam, regulate conventional vapour seasoning kiln temperature at 68 ℃, vexed kiln 14 hours, then open the outside exhaust of steam vent, and conventional vapour seasoning kiln temperature risen to 85 ℃ gradually, got rid of water 4.5 hours; 3 times so repeatedly, then detect moisture content, recording moisture content is 8%; Then dried Masson pine timber is moved to the moisture regain chamber and stacked 12 days, make the fiber moisture absorption uniformly and stably in the Masson pine timber, obtain moisture content and be 12% Masson pine timber.
Then the Masson pine timber after will getting damp again is piled up on steelframe, is that the stainless steel strip of 1.5cm separates with thickness between timber and the timber, is 5 square metres because upper surface is long-pending, so place 3.5 tons of channel-section steels as briquetting; Then the Masson pine timber that code is good pushes in the charing processing kiln, seals wicket again, closes each pore that kiln is processed in charing; Then will heat up in the kiln, because needing the yellowish-brown carbonized wood of color elegance, therefore per hour heat up 10 ℃, be interrupted and in kiln, erupt steam, make the interior relative humidity of kiln remain 100%; At first stable continuing kept 3.5 hours at 80 ℃ of temperature places, and then stable continuing kept 3.5 hours at 120 ℃ of temperature places, and stable continuing kept 3.5 hours at 140 ℃ of temperature places again, then rose to gradually 180 ℃; Continue to be interrupted and in kiln, erupt steam, make the interior relative humidity of kiln remain 100%, continue to process 180min; Then open each pore, will lower the temperature in the kiln, per hour lower the temperature 10 ℃, be interrupted and in kiln, erupt steam, and make the interior relative humidity of kiln be down to gradually 43% from 100%; In temperature-fall period, at first kept 3.5 hours at 140 ℃ of temperature places, kept 3.5 hours at 120 ℃ of temperature places again, then continue cooling, because room temperature is 31 ℃, therefore being maintained 81 ℃, temperature in the stove locates dry 4 hours, recording moisture content is 7.0%, so close thermal source, stop to erupt steam, open kiln fully, carry out the nature cooling; When kiln temperature is down to below 45 ℃, take out timber, obtain the homogeneity carbonization wood finished product of Masson pine timber; The color of this carbonized wood is the yellowish-brown carbonized wood of color elegance.
Embodiment 6.
It is 200cm that 10m3 Masson pine timber late wood sanction is sawn into length, the timber of thickness 5cm; Then be immersed in concentration and be in 20% the lime aqueous solution and boiled continuously 6 hours, put into the clear water rinsing clean again, then being immersed in concentration is to boil continuously in 1 ‰ hydrogen peroxide solutions 6 hours, puts into the clear water rinsing clean again; Then conventional vapour seasoning kiln temperature is adjusted in 77 ℃, and the spray water steam makes it to be saturation state in the conventional vapour seasoning kiln, then the Masson pine timber after the degreasing being put into conventional vapour seasoning kiln fully absorbs water, the Masson pine timber suction state that reaches capacity after 29 hours, then stop the spray water steam, regulate conventional vapour seasoning kiln temperature at 69 ℃, vexed kiln 14.5 hours, then open the outside exhaust of steam vent, and conventional vapour seasoning kiln temperature risen to 86 ℃ gradually, got rid of water 4.5 hours; 4 times so repeatedly, then detect moisture content, until moisture content is 8%; Then dried Masson pine timber is moved to the moisture regain chamber and stacked 12 days, make the fiber moisture absorption uniformly and stably in the Masson pine timber, obtain moisture content and be 12% Masson pine timber.
Then the Masson pine timber after will getting damp again is piled up on steelframe, is that the stainless steel strip of 1cm separates with thickness between timber and the timber, is 5 square metres because upper surface is long-pending, so place 4.5 tons of cement blocks as briquetting; Then the Masson pine timber that code is good pushes in the charing processing kiln, seals wicket again, closes each pore that kiln is processed in charing; Then will heat up in the kiln, because needing the brown carbonized wood of color maturation, therefore per hour heat up 11 ℃, be interrupted and in kiln, erupt steam, make the interior relative humidity of kiln remain 100%; At first then the stable maintenance 220min that continues at 80 ℃ of temperature places stablizes at 120 ℃ of temperature places and continues to keep 220min, and then the stable lasting maintenance 220min at 140 ℃ of temperature places rises to 190 ℃ gradually again; Continue to be interrupted and in kiln, erupt steam, make the interior relative humidity of kiln remain 100%, continue to process 250min; Then open each pore, will lower the temperature in the kiln, per hour lower the temperature 11 ℃, be interrupted and in kiln, erupt steam, and make the interior relative humidity of kiln be down to gradually 44% from 100%; In temperature-fall period, at first keep 220min at 140 ℃ of temperature places, keep 220min at 120 ℃ of temperature places again, then continue cooling, because of 32 ℃ of room temperatures, therefore being maintained 82 ℃, temperature in the stove locates dry 240min, recording moisture content is 7.5%, so close thermal source, stop to erupt steam, open kiln fully, carry out the nature cooling; When kiln temperature is down to below 45 ℃, take out timber, obtain the homogeneity carbonization wood finished product of Masson pine timber; The color of this carbonized wood is the brown carbonized wood of color maturation.
Embodiment 7.
It is 200cm that 10m3 Masson pine timber late wood sanction is sawn into length, the timber of thickness 5cm; Then be immersed in concentration and be in 20% the lime aqueous solution and boiled continuously 6 hours, put into the clear water rinsing clean again, then being immersed in concentration is to boil continuously in 1 ‰ hydrogen peroxide solutions 6 hours, puts into the clear water rinsing clean again; Then conventional vapour seasoning kiln temperature is adjusted between 78 ℃, and the spray water steam makes it to be saturation state in the conventional vapour seasoning kiln, then the Masson pine timber after the degreasing being put into conventional vapour seasoning kiln fully absorbs water, the Masson pine timber suction state that reaches capacity after 30 hours, then stop the spray water steam, regulate conventional vapour seasoning kiln temperature at 70 ℃, vexed kiln 15 hours, then open the outside exhaust of steam vent, and conventional vapour seasoning kiln temperature risen to 87 ℃ gradually, got rid of water 5 hours; 4 times so repeatedly, then detect moisture content, until moisture content is 8%; Then dried Masson pine timber is moved to the moisture regain chamber and stacked 12 days, make the fiber moisture absorption uniformly and stably in the Masson pine timber, obtain moisture content and be 12% Masson pine timber.
Then the Masson pine timber after will getting damp again is piled up on steelframe, is that the stainless steel strip of 2cm separates with thickness between timber and the timber, is 5 square metres because upper surface is long-pending, so place 5 tons of channel-section steels as briquetting; Then the Masson pine timber that code is good pushes in the charing processing kiln, seals wicket again, closes each pore that kiln is processed in charing; Then will heat up in the kiln, because needing the serious sepia carbonized wood of color, therefore per hour heat up 12 ℃, be interrupted and in kiln, erupt steam, make the interior relative humidity of kiln remain 100%; At first stable continuing kept 4 hours at 80 ℃ of temperature places, and then stable continuing kept 4 hours at 120 ℃ of temperature places, and stable continuing kept 4 hours at 140 ℃ of temperature places again, then rose to gradually 205 ℃; Continue to be interrupted and in kiln, erupt steam, make the interior relative humidity of kiln remain 100%, continue to process 300min; Then open each pore, will lower the temperature in the kiln, per hour lower the temperature 12 ℃, be interrupted and in kiln, erupt steam, and make the interior relative humidity of kiln be down to gradually 45% from 100%; In temperature-fall period, at first kept 4 hours at 140 ℃ of temperature places, kept 4 hours at 120 ℃ of temperature places again, then continue cooling, because room temperature is 33 ℃, therefore being maintained 83 ℃, temperature in the stove locates dry 240min, recording moisture content is 8.0%, so close thermal source, stop to erupt steam, open kiln fully, carry out the nature cooling; When kiln temperature is down to below 45 ℃, take out timber, obtain the homogeneity carbonization wood finished product of Masson pine timber; The color of this carbonized wood is the serious sepia carbonized wood of color.
Embodiment 8.
It is 300cm that 10m3 Masson pine timber late wood sanction is sawn into length, the timber of thickness 6cm; Then be immersed in concentration and be in 20% the lime aqueous solution and boiled continuously 6 hours, put into the clear water rinsing clean again, then being immersed in concentration is to boil continuously in 1 ‰ hydrogen peroxide solutions 6 hours, puts into the clear water rinsing clean again; Then conventional vapour seasoning kiln temperature is adjusted between 78 ℃, and the spray water steam makes it to be saturation state in the conventional vapour seasoning kiln, then the Masson pine timber after the degreasing being put into conventional vapour seasoning kiln fully absorbs water, the Masson pine timber suction state that reaches capacity after 30 hours, then stop the spray water steam, regulate conventional vapour seasoning kiln temperature at 70 ℃, vexed kiln 15 hours, then open the outside exhaust of steam vent, and conventional vapour seasoning kiln temperature risen to 87 ℃ gradually, got rid of water 5 hours; 4 times so repeatedly, then detect moisture content, until moisture content is 8%; Then dried Masson pine timber is moved to the moisture regain chamber and stacked 12 days, make the fiber moisture absorption uniformly and stably in the Masson pine timber, obtain moisture content and be 12% Masson pine timber.
Then the Masson pine timber after will getting damp again is piled up on steelframe, is that the stainless steel strip of 2cm separates with thickness between timber and the timber, is 5 square metres because upper surface is long-pending, so place 5 tons of channel-section steels as briquetting; Then the Masson pine timber that code is good pushes in the charing processing kiln, seals wicket again, closes each pore that kiln is processed in charing; Then will heat up in the kiln, per hour heat up 12 ℃, be interrupted and in kiln, erupt steam, make the interior relative humidity of kiln remain 100%; At first stable continuing kept 4 hours at 80 ℃ of temperature places, and then stable continuing kept 4 hours at 120 ℃ of temperature places, and stable continuing kept 4 hours at 140 ℃ of temperature places again, then rose to gradually 220 ℃; Continue to be interrupted and in kiln, erupt steam, make the interior relative humidity of kiln remain 100%, continue to process 300min; Then open each pore, will lower the temperature in the kiln, per hour lower the temperature 12 ℃, be interrupted and in kiln, erupt steam, and make the interior relative humidity of kiln be down to gradually 45% from 100%; In temperature-fall period, at first kept 4 hours at 140 ℃ of temperature places, kept 4 hours at 120 ℃ of temperature places again, then continue cooling, because room temperature is 30 ℃, therefore being maintained 80 ℃, temperature in the stove locates dry 4 hours, recording moisture content is 8.0%, so close thermal source, stop to erupt steam, open kiln fully, carry out the nature cooling; When kiln temperature is down to below 45 ℃, take out timber, obtain the homogeneity carbonization wood finished product of Masson pine timber; The color of this carbonized wood is pitchy.
Because not finding at present the masson pine carbonized wood, now compare with the homogeneity carbonized wood that the various embodiments described above are processed with the deep charring wood of the immediate pinus sylvestris var. mongolica timber of buying from the market of the present invention, obtain following comparison sheet:
The performance comparison sheet of masson pine homogeneity carbonization wood and pinus sylvestris var. mongolica deep charring wood
This shows, temperature control during by ungrease treatment in early stage and charing, can make the indices of Masson pine timber all reach actual homogeneity charing effect, particularly corrosion resistance, gummed property and color outperform pinus sylvestris var. mongolica deep charring wood, the inventive method has significant progress compared with prior art.
Claims (7)
1. take the production method of Masson pine timber as raw-material homogeneity carbonized wood, by cut out saw, degreasing, drying, moisture regain, stacking, advance kiln, intensification, charing, cooling, kiln discharge totally ten one procedures finish, its feature is as follows at concrete production stage:
⑴ cut out saw: it is 100-300cm that the Masson pine timber sanction is sawn into length, the timber of thickness 2-6cm;
⑵ degreasing: boil 2-3 hour with being immersed in behind the Masson pine timber pile to boil in the limewash, then rinsing is clean in clear water; Limewash is to add 25 parts of lime according to weight portion in 100 parts of water;
⑶ dry: with adjustment in the steaming oven between 72-78 ℃, and the spray water steam makes it to be saturation state in the steaming oven, then the Masson pine timber after the degreasing being put into steaming oven fully absorbs water, then the Masson pine timber suction state that reaches capacity stops the spray water steam after 25-30 hour, regulates in the steaming oven temperature at 65-70 ℃, vexed kiln 12-15 hour, then open the outside exhaust of steam vent, and temperature in the steaming oven is risen to 82-87 ℃ gradually, get rid of water 3-5 hour; 2-4 time so repeatedly, then detect moisture content, until moisture content is 6-8%;
⑷ moisture regain: dried Masson pine timber is moved to the moisture regain chamber stacked 10-12 days, make the fiber moisture absorption uniformly and stably in the Masson pine timber, and with moisture control at 10-12%;
⑸ stacking: the Masson pine timber after will getting damp again is piled up on steelframe, separates with stainless steel strip between timber and the timber, and briquetting is placed on the upper strata; Wherein the thickness of steel bar is 1-2cm, and briquetting is the high-density objects of stable performance, its placement amount be the 0.5-1.0 ton/square metre;
⑹ advance kiln: the Masson pine timber that code is good pushes charing and processes in the kiln, and the sealing wicket is closed each pore that kiln is processed in charing;
⑺ heat up: will heat up in the kiln, per hour heat up 9-12 ℃, be interrupted and erupt steam in kiln, make the interior humidity of kiln remain 100%; At first stable continuing kept 2-4 hour at 80 ℃ of temperature places, and then stable continuing kept 2-4 hour at 120 ℃ of temperature places, and stable continuing kept 2-4 hour at 140 ℃ of temperature places again, then rose to gradually 160-220 ℃;
⑻ charing: keeping kiln temperature according to Masson pine timber raw material condition and color demand is 160-220 ℃, is interrupted and erupts steam in kiln, makes that humidity remains 100% in the kiln, continues to process 100-300min;
⑼ cooling: open each pore, will lower the temperature in the kiln, per hour lower the temperature 9-12 ℃, be interrupted and in kiln, erupt steam, and make the interior humidity of kiln be down to gradually 40%-45% from 100%; In temperature-fall period, at first kept 2-4 hour at 140 ℃ of temperature places, kept 2-4 hour at 120 ℃ of temperature places again, then continue cooling, temperature in the stove maintained be higher than 50 ℃ of room temperatures and locate to carry out drying, until moisture content when being 4.5%-8.0%, is closed thermal source, stop to erupt steam, open kiln fully, naturally cooling;
⑽ kiln discharge: when kiln temperature is down to below 45 ℃, take out timber, be the homogeneity carbonization wood finished product of Masson pine timber.
2. according to claim 1 take the production method of Masson pine timber as raw-material homogeneity carbonized wood, it is characterized in that in heating step ⑻, charing step ⑼ and cooling step ⑽, when charing pinus massoniana early wood and when needing the yellow carbonized wood of color clear, per hour heat up during intensification 9 ℃, at the 168-172 ℃ of lower 150-160min that processes, per hour lower the temperature during cooling 9 ℃ during charing.
3. according to claim 1 take the production method of Masson pine timber as raw-material homogeneity carbonized wood, it is characterized in that in heating step ⑻, charing step ⑼ and cooling step ⑽, when charing pinus massoniana early wood and when needing the yellowish-brown carbonized wood of color elegance, per hour heat up during intensification 10 ℃, at the 190-195 ℃ of lower 220-230min that processes, per hour lower the temperature during cooling 10 ℃ during charing.
4. according to claim 1 take the production method of Masson pine timber as raw-material homogeneity carbonized wood, it is characterized in that in heating step ⑻, charing step ⑼ and cooling step ⑽, when charing pinus massoniana early wood and when needing the brown carbonized wood of color maturation, per hour heat up during intensification 11 ℃, at the 205-210 ℃ of lower 280-290min that processes, per hour lower the temperature during cooling 11 ℃ during charing.
5. according to claim 1 take the production method of Masson pine timber as raw-material homogeneity carbonized wood, it is characterized in that in heating step ⑻, charing step ⑼ and cooling step ⑽, as charing pinus massoniana late wood and when needing the yellowish-brown carbonized wood of color elegance, per hour heat up during intensification 10 ℃, at the 168-172 ℃ of lower 180-190min that processes, per hour lower the temperature during cooling 10 ℃ during charing.
6. according to claim 1 take the production method of Masson pine timber as raw-material homogeneity carbonized wood, it is characterized in that in heating step ⑻, charing step ⑼ and cooling step ⑽, as charing pinus massoniana late wood and when needing the brown carbonized wood of color maturation, per hour heat up during intensification 11 ℃, at the 190-195 ℃ of lower 240-250min that processes, per hour lower the temperature during cooling 11 ℃ during charing.
7. according to claim 1 take the production method of Masson pine timber as raw-material homogeneity carbonized wood, it is characterized in that in heating step ⑻, charing step ⑼ and cooling step ⑽, as charing pinus massoniana late wood and when needing the serious sepia carbonized wood of color, per hour heat up during intensification 12 ℃, at the 205-210 ℃ of lower 290-300min that processes, per hour lower the temperature during cooling 12 ℃ during charing.
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