CN104441129B - A kind of bamboo wood pre-treating method - Google Patents
A kind of bamboo wood pre-treating method Download PDFInfo
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- CN104441129B CN104441129B CN201410669155.4A CN201410669155A CN104441129B CN 104441129 B CN104441129 B CN 104441129B CN 201410669155 A CN201410669155 A CN 201410669155A CN 104441129 B CN104441129 B CN 104441129B
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- bamboo wood
- cold water
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K9/00—Chemical or physical treatment of reed, straw, or similar material
- B27K9/002—Cane, bamboo
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K2240/00—Purpose of the treatment
- B27K2240/20—Removing fungi, molds or insects
Abstract
A kind of bamboo wood pre-treating method, during the bamboo wood that adult is killed off by fumigating system is submerged in into aqueous preservative solution or aqueous borate solution, then heats to kill worm's ovum and mould, obtains the liquid containing bamboo wood；Stop heating, by the liquid separation of solid and liquid containing bamboo wood, obtain the bamboo wood of preservative treatment；Then to adding cold water in the bamboo wood of preservative treatment, bamboo wood until flooding preservative treatment, and stand 1h, then portion of cold water is discharged, then the bamboo wood of preservative treatment and remaining cold water are heated to 75~85 DEG C in closed container, 4~6h, the pre-treatment bamboo wood that will finally obtain is kept to separate and dry naturally in 2~3 normal atmosphere pressures.The method high treating effect, cycle is short, safety and environmental protection, when whole bamboo is processed, it is not easy to bamboo wood cracking occurs, makes being evenly distributed for medicament, bamboo wood top layer can be reached.
Description
Technical field
The present invention relates to a kind of pre-treating method of material, and in particular to a kind of bamboo wood pre-treating method.
Background technology
The pre-treating method of bamboo wood mainly includes two kinds of Physical and chemical method.The principle of Physical be removal bamboo wood in
Nutrient source or conversion nutrient source are inedible material, or moisture and air needed for cut-off rot fungi, insect life.Its is excellent
Point is relatively low processing cost, simple to operate, general environmentally safe, is had the disadvantage without lasting protectiveness, once it is treated
Bamboo wood be further processed or occur wear and tear or ftracture, rot fungi can also once again encroach on bamboo wood under certain environment, so thing
Logos is not used alone typically.The principle of chemical method is that the analytic metabolism of fungi is hindered using preservative, suppresses true so as to reach
Bacteria growing breeding, the purpose for even killing rot fungi.Its advantage is favorable anti-corrosion effect, residual effect time long, has the disadvantage preservative treatment
Complex operation, processing cost is high, and preservative typically has certain harmful effect to human and environment.The bamboo for commonly using at present
Material chemical anti-corrosion treatment method mainly includes Soaking and adds (subtracting) pressure injection method, although Soaking is to equipment and skill
The requirement of art is relatively low, and processing cost is low, but process time is long, plus (subtracting) pressure injection method improves the speed and depth impregnated.But,
It is not economical enough for bamboo wood, because bamboo wood price in itself is relatively low, and when whole bamboo is processed, it is susceptible to out
Split, the distribution of medicament is also uneven, can seldom reach top layer.
The content of the invention
It is an object of the invention to provide a kind of bamboo wood pre-treating method, the method high treating effect, cycle is short, safety collar
Protect, when whole bamboo is processed, it is not easy to bamboo wood cracking occurs, makes being evenly distributed for medicament, bamboo wood top layer can be reached.
In order to achieve the above object, the technical solution adopted by the present invention is comprised the following steps：
1) in the bamboo wood that adult is killed off by fumigating system being submerged in into aqueous preservative solution or aqueous borate solution, Ran Houjia
Heat-killed worm's ovum and mould, obtain the liquid containing bamboo wood；
2) stop heating, the liquid containing bamboo wood is carried out into separation of solid and liquid, obtain the bamboo wood of preservative treatment；Then to anti-corrosion
Cold water is added in the bamboo wood for the treatment of, the bamboo wood until flooding preservative treatment stands 1~1.5h, then discharges portion of cold water, connects
And the bamboo wood of preservative treatment and remaining cold water are heated to 75~85 DEG C in closed container, in 2~3 normal atmosphere pressures
4~6h, the pre-treatment bamboo wood that will finally obtain is kept to separate and dry naturally.
Described step 1) in kill off adult by fumigating system bamboo wood be by heating fumigating medicament to bamboo wood fumigate 72h
Obtain.
Described fumigation medicament uses chloropicrin or aluminum phosphate, every cubic metre of bamboo wood 35~70 grams of chloropicrin or 5~7
Gram aluminum phosphate.
Preservative in aqueous preservative solution be by mass ratio be (0.4~0.6):(0.4~0.6):1 ammoniacal copper quaternary, N-
What 2- benzimidazoles ylcarbamic acid methyl ester and four eight Boratexes of hydration were constituted.
Described step 1) in aqueous preservative solution mass concentration be 0.5%~5%.
Described step 1) mesoboric acid saline solution be following four solution in one kind：
The aqueous borate solution being made into by borax, benzoic acid, sodium hydrogensulfite and water；Wherein, in aqueous borate solution
Borax, benzoic acid, the mass ratio of sodium hydrogensulfite are (1.9-2.1)：(0.6-0.8)：1；
The aqueous borate solution being made into by borax, benzoic acid, sodium thiosulfate and water；Wherein, in aqueous borate solution
Borax, benzoic acid, the mass ratio of sodium thiosulfate are (1.9-2.1)：(0.6-0.8)：1；
The aqueous borate solution being made into by boric acid, alum, sodium sulfite, benzoic acid and water；Wherein, aqueous borate solution
Mesoboric acid, alum, sodium sulfite, the mass ratio of benzoic acid are 2：2：2：(0.4-0.6)；
The aqueous borate solution being made into by borax, boric acid and water；Wherein, in aqueous borate solution borax and boric acid matter
Amount is than being 1：(1.4-1.6).
Described step 1) mesoboric acid saline solution mass concentration be 10~15%.
Described step 1) in be heated to 85~95 DEG C insulation 1.5~2h to kill worm's ovum and mould.
Described step 1) discharge portion of cold water be add cold water 1/3rd.
Described step 2) in cold water temperature be 5~20 DEG C.
Compared with prior art, the beneficial effects of the present invention are：
The present invention processes bamboo wood by cold and hot channel process principle, to kill worm's ovum and mould；This process is divided into preservative heating
With cooling two benches；Steam treatment is carried out to the heating of remaining cooling water, to improve the anti-cracking ability of bamboo wood.And by anti-corrosion
The treatment of the agent aqueous solution or aqueous borate solution, not only overcomes the problem that the conventional process time is long, antiseptic effect is poor, and
And processing method low cost.When whole bamboo is processed, the bamboo wood of preservative treatment and remaining cold water are heated in closed container
75~85 DEG C, 4~6h is kept in 2~3 normal atmosphere pressures, be so less likely to occur bamboo wood cracking, make the distribution of medicament equal
It is even, bamboo wood top layer can be reached.
In addition, the present invention is to kill off the bamboo wood of adult by fumigating system as raw material is processed, therefore, subsequently through cold
Heat bath method principle processes bamboo wood to kill worm's ovum and mould, can further kill worm's ovum and the mould in bamboo wood.
Specific embodiment
Embodiment 1：
1) with aluminum phosphate as fumigation medicament, heating fumigating medicament 72h stifling to bamboo wood obtains killing off adult by fumigating system
Bamboo wood；Every cubic metre of bamboo wood is with 5 grams of aluminum phosphate；
2) bamboo wood that adult is killed off by fumigating system is submerged in mass concentration in 0.5% aqueous preservative solution, then
85 DEG C of insulation 2h are heated to kill worm's ovum and mould, the liquid containing bamboo wood is obtained；Wherein, the anti-corrosion in aqueous preservative solution
Agent be by mass ratio be 0.4:0.5:1 ammoniacal copper quaternary, N-2- benzimidazoles ylcarbamic acid methyl ester and four eight Boratexes of hydration
Composition；
3) stop heating, separation of solid and liquid is carried out from the liquid containing bamboo wood, obtain the bamboo wood of preservative treatment；Then to anti-corrosion
The cold water that temperature is 5 DEG C, the bamboo wood until flooding preservative treatment is added 1h to be stood, then by 2/3rds in the bamboo wood for the treatment of
Cold water discharge, the bamboo wood of preservative treatment and remaining cold water are then heated to 75 DEG C in closed container, it is big in 2 standards
6h is kept under air pressure, the pre-treatment bamboo wood that will finally obtain takes out and dries naturally.
Embodiment 2：
1) with aluminum phosphate as fumigation medicament, heating fumigating medicament 72h stifling to bamboo wood obtains killing off adult by fumigating system
Bamboo wood；Every cubic metre of bamboo wood is with 5 grams of aluminum phosphate；
2) bamboo wood that adult is killed off by fumigating system is submerged in mass concentration in 10% aqueous borate solution, Ran Houjia
Heat, to kill worm's ovum and mould, obtains the liquid containing bamboo wood to 85 DEG C of insulation 2h；Wherein, aqueous borate solution be by borax,
What benzoic acid, sodium hydrogensulfite and water were made into, and in aqueous borate solution borax, benzoic acid, sodium hydrogensulfite mass ratio
It is 1.9：0.8：1；
3) stop heating, the liquid containing bamboo wood is carried out into separation of solid and liquid, obtain the bamboo wood of preservative treatment；Then to anti-corrosion
The cold water that temperature is 5 DEG C, the bamboo wood until flooding preservative treatment is added 1h to be stood, then by 2/3rds in the bamboo wood for the treatment of
Cold water discharge, the bamboo wood of preservative treatment and remaining cold water are then heated to 75 DEG C in closed container, it is big in 2 standards
6h is kept under air pressure, the pre-treatment bamboo wood that will finally obtain takes out and dries naturally.
Embodiment 3：
1) with chloropicrin as fumigation medicament, heating fumigating medicament 72h stifling to bamboo wood obtains killing off adult by fumigating system
Bamboo wood；Every cubic metre of bamboo wood is with 35 grams of chloropicrin；
2) bamboo wood that adult is killed off by fumigating system is submerged in mass concentration in 3% aqueous preservative solution, Ran Houjia
Heat, to kill worm's ovum and mould, obtains the liquid containing bamboo wood to 95 DEG C of insulation 1.5h；Wherein, the anti-corrosion in aqueous preservative solution
Agent be by mass ratio be 0.6:0.4:1 ammoniacal copper quaternary, N-2- benzimidazoles ylcarbamic acid methyl ester and four eight Boratexes of hydration
Composition；
3) stop heating, the liquid containing bamboo wood is carried out into separation of solid and liquid, obtain the bamboo wood of preservative treatment；Then to anti-corrosion
It is 20 DEG C of cold water that temperature is added in the bamboo wood for the treatment of, and the bamboo wood until flooding preservative treatment stands 1.5h, then by three/
Two cold water discharge, is then heated to 80 DEG C, in 3 standards by the bamboo wood of preservative treatment and remaining cold water in closed container
4h is kept under atmospheric pressure, the pre-treatment bamboo wood that will finally obtain takes out and dries naturally.
Embodiment 4：
1) with chloropicrin as fumigation medicament, heating fumigating medicament 72h stifling to bamboo wood obtains killing off adult by fumigating system
Bamboo wood；Every cubic metre of bamboo wood is with 35 grams of chloropicrin；
2) bamboo wood that adult is killed off by fumigating system is submerged in mass concentration in 12% aqueous borate solution, Ran Houjia
Heat, to kill worm's ovum and mould, obtains the liquid containing bamboo wood to 95 DEG C of insulation 1.5h；Wherein, aqueous borate solution is by boron
What sand, benzoic acid, sodium hydrogensulfite and water were made into, and in aqueous borate solution borax, benzoic acid, sodium hydrogensulfite quality
Than being 2.1：0.7：1；
3) stop heating, the liquid containing bamboo wood is carried out into separation of solid and liquid, obtain the bamboo wood of preservative treatment；Then to anti-corrosion
It is 20 DEG C of cold water that temperature is added in the bamboo wood for the treatment of, and the bamboo wood until flooding preservative treatment stands 1.5h, then by three/
Two cold water discharge, is then heated to 80 DEG C, in 3 standards by the bamboo wood of preservative treatment and remaining cold water in closed container
4h is kept under atmospheric pressure, the pre-treatment bamboo wood that will finally obtain takes out and dries naturally.
Embodiment 5：
1) with chloropicrin as fumigation medicament, heating fumigating medicament 72h stifling to bamboo wood obtains killing off adult by fumigating system
Bamboo wood；Every cubic metre of bamboo wood is with 70 grams of chloropicrin；
2) bamboo wood that adult is killed off by fumigating system is submerged in mass concentration in 5% aqueous preservative solution, Ran Houjia
Heat, to kill worm's ovum and mould, obtains the liquid containing bamboo wood to 90 DEG C of insulation 1.8h；Wherein, the anti-corrosion in aqueous preservative solution
Agent be by mass ratio be 0.5:0.6:1 ammoniacal copper quaternary, N-2- benzimidazoles ylcarbamic acid methyl ester and four eight Boratexes of hydration
Composition；
3) stop heating, the liquid containing bamboo wood is carried out into separation of solid and liquid, obtain the bamboo wood of preservative treatment；Then to anti-corrosion
It is 10 DEG C of cold water that temperature is added in the bamboo wood for the treatment of, and the bamboo wood until flooding preservative treatment stands 1.2h, then by three/
Two cold water discharge, is then heated to 85 DEG C, in 2 standards by the bamboo wood of preservative treatment and remaining cold water in closed container
5h is kept under atmospheric pressure, the pre-treatment bamboo wood that will finally obtain takes out and dries naturally.
Embodiment 6：
1) with chloropicrin as fumigation medicament, heating fumigating medicament 72h stifling to bamboo wood obtains killing off adult by fumigating system
Bamboo wood；Every cubic metre of bamboo wood is with 70 grams of chloropicrin；
2) bamboo wood that adult is killed off by fumigating system is submerged in mass concentration in 15% aqueous borate solution, Ran Houjia
Heat, to kill worm's ovum and mould, obtains the liquid containing bamboo wood to 90 DEG C of insulation 1.8h；Wherein, aqueous borate solution is by boron
What sand, benzoic acid, sodium hydrogensulfite and water were made into, and in aqueous borate solution borax, benzoic acid, sodium hydrogensulfite quality
Than being 2.0：0.6：1；
3) stop heating, the liquid containing bamboo wood is carried out into separation of solid and liquid, obtain the bamboo wood of preservative treatment；Then to anti-corrosion
It is 10 DEG C of cold water that temperature is added in the bamboo wood for the treatment of, and the bamboo wood until flooding preservative treatment stands 1.2h, then by three/
Two cold water discharge, is then heated to 85 DEG C, in 2 standards by the bamboo wood of preservative treatment and remaining cold water in closed container
5h is kept under atmospheric pressure, the pre-treatment bamboo wood that will finally obtain takes out and dries naturally.
Embodiment 7：
1) with aluminum phosphate as fumigation medicament, heating fumigating medicament 72h stifling to bamboo wood obtains killing off adult by fumigating system
Bamboo wood；Every cubic metre of bamboo wood is with 7 grams of aluminum phosphate；
2) bamboo wood that adult is killed off by fumigating system is submerged in mass concentration in 1% aqueous preservative solution, Ran Houjia
Heat, to kill worm's ovum and mould, obtains the liquid containing bamboo wood to 95 DEG C of insulation 1.5h；Wherein, the anti-corrosion in aqueous preservative solution
Agent be by mass ratio be 0.5:0.6:1 ammoniacal copper quaternary, N-2- benzimidazoles ylcarbamic acid methyl ester and four eight Boratexes of hydration
Composition；
3) stop heating, the liquid containing bamboo wood is carried out into separation of solid and liquid, obtain the bamboo wood of preservative treatment；Then to anti-corrosion
The cold water that temperature is 14 DEG C, the bamboo wood until flooding preservative treatment is added 1h to be stood, then by 2/3rds in the bamboo wood for the treatment of
Cold water discharge, the bamboo wood of preservative treatment and remaining cold water are then heated to 80 DEG C in closed container, it is big in 2 standards
5h is kept under air pressure, the pre-treatment bamboo wood that will finally obtain takes out and dries naturally.
Embodiment 8：
1) with aluminum phosphate as fumigation medicament, heating fumigating medicament 72h stifling to bamboo wood obtains killing off adult by fumigating system
Bamboo wood；Every cubic metre of bamboo wood is with 7 grams of aluminum phosphate；
2) bamboo wood that adult is killed off by fumigating system is submerged in mass concentration in 10% aqueous borate solution, Ran Houjia
Heat, to kill worm's ovum and mould, obtains the liquid containing bamboo wood to 95 DEG C of insulation 1.5h；Wherein, aqueous borate solution is by boron
What sand, benzoic acid, sodium thiosulfate and water were made into, and in aqueous borate solution borax, benzoic acid, sodium thiosulfate quality
Than being 2.1：0.6：1；
3) stop heating, the liquid containing bamboo wood is carried out into separation of solid and liquid, obtain the bamboo wood of preservative treatment；Then to anti-corrosion
The cold water that temperature is 14 DEG C, the bamboo wood until flooding preservative treatment is added 1h to be stood, then by 2/3rds in the bamboo wood for the treatment of
Cold water discharge, the bamboo wood of preservative treatment and remaining cold water are then heated to 80 DEG C in closed container, it is big in 2 standards
5h is kept under air pressure, the pre-treatment bamboo wood that will finally obtain takes out and dries naturally.
Embodiment 9：
By step 2) in aqueous borate solution in borax, benzoic acid, the mass ratio of sodium thiosulfate be changed into 1.9：0.8：
1；Other are same as Example 8.
Embodiment 10：
By step 2) in aqueous borate solution in borax, benzoic acid, the mass ratio of sodium thiosulfate be changed into 2：0.7：1；
Other are same as Example 8.
Embodiment 11：
1) with chloropicrin as fumigation medicament, heating fumigating medicament 72h stifling to bamboo wood obtains killing off adult by fumigating system
Bamboo wood；Every cubic metre of bamboo wood is with 60 grams of chloropicrin；
2) by the bamboo wood that adult is killed off by fumigating system be submerged in by mass concentration be 3% aqueous preservative solution in, then
95 DEG C of insulation 1.5h are heated to kill worm's ovum and mould, the liquid containing bamboo wood is obtained；Wherein, it is anti-in aqueous preservative solution
Rotten agent be by mass ratio be 0.5:0.4:1 ammoniacal copper quaternary, N-2- benzimidazoles ylcarbamic acid methyl ester and four eight boric acid of hydration
Sodium composition；
3) stop heating, the liquid containing bamboo wood is carried out into separation of solid and liquid, obtain the bamboo wood of preservative treatment；Then to anti-corrosion
It is 18 DEG C of cold water that temperature is added in the bamboo wood for the treatment of, and the bamboo wood until flooding preservative treatment stands 1.2h, then by three/
Two cold water discharge, is then heated to 80 DEG C, in 3 standards by the bamboo wood of preservative treatment and remaining cold water in closed container
6h is kept under atmospheric pressure, the pre-treatment bamboo wood that will finally obtain takes out and dries naturally.
Embodiment 12：
1) with chloropicrin as fumigation medicament, heating fumigating medicament 72h stifling to bamboo wood obtains killing off adult by fumigating system
Bamboo wood；Every cubic metre of bamboo wood is with 60 grams of chloropicrin；
2) bamboo wood that adult is killed off by fumigating system is submerged in mass concentration in 12% aqueous borate solution, Ran Houjia
Heat, to kill worm's ovum and mould, obtains the impregnating fluid containing bamboo wood to 95 DEG C of insulation 1.5h；Wherein, aqueous borate solution is by boron
What acid, alum, sodium sulfite, benzoic acid and water were made into, and acid in aqueous borate solution, alum, sodium sulfite, benzoic acid
Mass ratio is 2：2：2：0.4；
3) stop heating, the liquid containing bamboo wood is carried out into separation of solid and liquid, obtain the bamboo wood of preservative treatment；Then to anti-corrosion
It is 18 DEG C of cold water that temperature is added in the bamboo wood for the treatment of, and the bamboo wood until flooding preservative treatment stands 1.2h, then by three/
Two cold water discharge, is then heated to 80 DEG C, in 3 standards by the bamboo wood of preservative treatment and remaining cold water in closed container
6h is kept under atmospheric pressure, the pre-treatment bamboo wood that will finally obtain takes out and dries naturally.
Embodiment 13：
By step 2) in aqueous borate solution in acid, alum, sodium sulfite, benzoic acid mass ratio be 2：2：2：0.6；
Other are identical with embodiment 12.
Embodiment 14：
By step 2) in aqueous borate solution in acid, alum, sodium sulfite, benzoic acid mass ratio be 2：2：2：0.7；
Other are identical with embodiment 12.
Embodiment 15：
1) with aluminum phosphate as fumigation medicament, heating fumigating medicament 72h stifling to bamboo wood obtains killing off adult by fumigating system
Bamboo wood；Every cubic metre of bamboo wood is with 6 grams of chloropicrin；
2) bamboo wood that adult is killed off by fumigating system is submerged in mass concentration in 4% aqueous preservative solution, Ran Houjia
Heat, to kill worm's ovum and mould, obtains the impregnating fluid containing bamboo wood to 95 DEG C of insulation 1.5h；Wherein, having in quaternary ammonium copper liquor
Effect composition be by mass ratio be 0.5:0.4:1 ammoniacal copper quaternary, N-2- benzimidazoles ylcarbamic acid methyl ester and four eight boron of hydration
Sour sodium composition；
3) stop heating, the liquid containing bamboo wood is carried out into separation of solid and liquid, obtain the bamboo wood of preservative treatment；Then to anti-corrosion
The cold water that temperature is 5 DEG C, the bamboo wood until flooding preservative treatment is added 1h to be stood, then by 2/3rds in the bamboo wood for the treatment of
Cold water discharge, the bamboo wood of preservative treatment and remaining cold water are then heated to 75 DEG C in closed container, it is big in 2 standards
6h is kept under air pressure, the pre-treatment bamboo wood that will finally obtain takes out and dries naturally.
Embodiment 16：
1) with aluminum phosphate as fumigation medicament, heating fumigating medicament 72h stifling to bamboo wood obtains killing off adult by fumigating system
Bamboo wood；Every cubic metre of bamboo wood is with 6 grams of chloropicrin；
2) bamboo wood that adult is killed off by fumigating system is submerged in mass concentration in 15% aqueous borate solution, Ran Houjia
Heat, to kill worm's ovum and mould, obtains the impregnating fluid containing bamboo wood to 95 DEG C of insulation 1.5h；Wherein, aqueous borate solution is by boron
What sand, boric acid and water were made into, and the mass ratio of borax and boric acid is 1 in aqueous borate solution：1.6；
3) stop heating, the liquid containing bamboo wood is carried out into separation of solid and liquid, obtain the bamboo wood of preservative treatment；Then to anti-corrosion
The cold water that temperature is 5 DEG C, the bamboo wood until flooding preservative treatment is added 1h to be stood, then by 2/3rds in the bamboo wood for the treatment of
Cold water discharge, the bamboo wood of preservative treatment and remaining cold water are then heated to 75 DEG C in closed container, it is big in 2 standards
6h is kept under air pressure, the pre-treatment bamboo wood that will finally obtain takes out and dries naturally.
Embodiment 17：
By step 2) in aqueous borate solution in borax and boric acid mass ratio be 1：1.4；Other and the phase of embodiment 16
Together.
Embodiment 18：
By step 2) in aqueous borate solution in borax and boric acid mass ratio be 1：1.5；Other and the phase of embodiment 16
Together.
Claims (1)
1. a kind of bamboo wood pre-treating method, it is characterised in that comprise the following steps：
1) in the bamboo wood that adult is killed off by fumigating system being submerged in into aqueous preservative solution or aqueous borate solution, then heating is killed
Dead worm's ovum and mould, obtain the liquid containing bamboo wood；
2) stop heating, the liquid containing bamboo wood is carried out into separation of solid and liquid, obtain the bamboo wood of preservative treatment；Then to preservative treatment
Bamboo wood in add cold water, the bamboo wood until flooding preservative treatment, stand 1~1.5h, then portion of cold water is discharged, then will
The bamboo wood of preservative treatment and remaining cold water are heated to 75~85 DEG C in closed container, are kept in 2~3 normal atmosphere pressures
4~6h, the pre-treatment bamboo wood that will finally obtain is separated and dried naturally；
Preservative in aqueous preservative solution be by mass ratio be (0.4~0.6):(0.4~0.6):1 ammoniacal copper quaternary, N-2- benzene
And imidazoles ylcarbamic acid methyl ester and four hydration eight Boratexes composition；
Described step 1) mesoboric acid saline solution be following four solution in one kind：
The aqueous borate solution being made into by borax, benzoic acid, sodium hydrogensulfite and water；Wherein, borax in aqueous borate solution,
Benzoic acid, the mass ratio of sodium hydrogensulfite are (1.9-2.1)：(0.6-0.8)：1；
The aqueous borate solution being made into by borax, benzoic acid, sodium thiosulfate and water；Wherein, borax in aqueous borate solution,
Benzoic acid, the mass ratio of sodium thiosulfate are (1.9-2.1)：(0.6-0.8)：1；
The aqueous borate solution being made into by boric acid, alum, sodium sulfite, benzoic acid and water；Wherein, boron in aqueous borate solution
Acid, alum, sodium sulfite, the mass ratio of benzoic acid are 2：2：2：(0.4-0.6)；
The aqueous borate solution being made into by borax, boric acid and water；Wherein, in aqueous borate solution borax and boric acid mass ratio
It is 1：(1.4-1.6)；
Described step 1) in be heated to 85~95 DEG C insulation 1.5~2h to kill worm's ovum and mould；
Described step 1) in kill off adult by fumigating system bamboo wood be to be obtained by heating fumigating medicament 72h stifling to bamboo wood
's；
Described fumigation medicament uses chloropicrin or aluminum phosphate, every cubic metre of bamboo wood 35~70 grams of chloropicrin or 5~7 grams
Aluminum phosphate；
Described step 1) in aqueous preservative solution mass concentration be 0.5%~5%；
Described step 1) mesoboric acid saline solution mass concentration be 10~15%；
Described step 2) discharge portion of cold water be add cold water 1/3rd；
Described step 2) in cold water temperature be 5~20 DEG C.
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| CN101774195B (en) * | 2009-12-23 | 2012-05-02 | 中国热带农业科学院橡胶研究所 | Method for improving performance of superhigh temperature heat-treated wood |
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