CN104441129A - Pretreatment method for bamboo wood - Google Patents
Pretreatment method for bamboo wood Download PDFInfo
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- CN104441129A CN104441129A CN201410669155.4A CN201410669155A CN104441129A CN 104441129 A CN104441129 A CN 104441129A CN 201410669155 A CN201410669155 A CN 201410669155A CN 104441129 A CN104441129 A CN 104441129A
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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
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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
- B27K2240/00—Purpose of the treatment
- B27K2240/20—Removing fungi, molds or insects
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- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a pretreatment method for bamboo wood. The method comprises the following steps: submerging the bamboo wood for killing imagoes through a fumigation method into a preservative water solution or an aqueous borate solution, heating to kill eggs and mycete, so as to obtain liquid containing the bamboo wood; stopping heating, carrying out solid-liquid separation on the liquid containing the bamboo wood, so as to obtain the bamboo wood which is subjected to antiseptic treatment; adding cold water to the bamboo wood which is subjected to antiseptic treatment until the bamboo wood which is subjected to antiseptic treatment is submerged; standing for an hour, and then discharging a part of cold water; heating the bamboo wood which is subjected to antiseptic treatment and residual cold water in a sealed container to 75-85 DEG C, and keeping in 2-3 standard atmospheric pressures for 4-6 hours; and finally separating out the obtained pre-treated bamboo wood and naturally airing. The method is good in treatment effect, short in cycle, safe and environmentally friendly; the bamboo wood does not easily crack when being treated and finished, so that the medicine is evenly distributed, and can reach the surface layer of the bamboo wood.
Description
Technical field
The present invention relates to a kind of pre-treating method of material, be specifically related to a kind of bamboo wood pre-treating method.
Background technology
The pre-treating method of bamboo wood mainly comprises Physical and chemical method two kinds.Physics ratio juris is the nutrient source removed in bamboo wood or to transform nutrient source be unedible material, or cuts off rot fungi, moisture needed for insect life and air.Its advantage is that processing cost is lower, simple to operate, general environmentally safe; shortcoming does not have lasting protectiveness; once the bamboo wood processed is further processed or wearing and tearing or cracking occur, under certain environment, rot fungi also can encroach on bamboo wood once again, so Physical is not generally used alone.Chemistry ratio juris utilizes anticorrisive agent to hinder the analytic metabolism of fungi, thus reach Antifungi growth and breeding, even kill the object of rot fungi.Its advantage is that favorable anti-corrosion effect, residual effect time are long, and shortcoming is preservative treatment complicated operation, and processing cost is high, and anticorrisive agent generally has certain harmful effect to human and environment.The bamboo wood chemical anti-corrosion treatment method generally used at present mainly comprises Soaking and adds (subtracting) pressure injection method, although the requirement of Soaking to equipment and technology is lower, processing cost is low, but the processing time is long, adds (subtracting) pressure injection method and improve the speed and the degree of depth of impregnating.But for economical not bamboo wood, because the price of bamboo wood itself is relatively low, and when the whole bamboo of process, easily ftracture, the distribution of medicament is also uneven, seldom can arrive top layer.
Summary of the invention
The object of the present invention is to provide a kind of bamboo wood pre-treating method, the method treatment effect is good, the cycle is short, safety and environmental protection, when processing whole bamboo, bamboo wood cracking being less likely to occur, making being evenly distributed of medicament, bamboo wood top layer can be arrived.
In order to achieve the above object, the technical solution used in the present invention comprises the following steps:
1) by through fumigating system except the bamboo wood killing adult is submerged in aqueous preservative solution or aqueous borate solution, then heating kill worm's ovum and mould, obtain the liquid containing bamboo wood;
2) stop heating, the liquid containing bamboo wood is carried out Separation of Solid and Liquid, obtains antiseptic bamboo wood; Then in antiseptic bamboo wood, cold water is added, until flood antiseptic bamboo wood, leave standstill 1 ~ 1.5h, then portion of cold water is discharged, then antiseptic bamboo wood and residue cold water are heated to 75 ~ 85 DEG C in closed container, at 2 ~ 3 normal atmosphere pressure maintenance 4 ~ 6h, finally the pre-treatment bamboo wood obtained is separated and naturally dried.
Described step 1) in by heating fumigating medicament, 72h is fumigated to bamboo wood except the bamboo wood killing adult through fumigating system and obtains.
Described fumigation medicament adopts chloropicrin or aluminum phosphate, every cubic metre of the bamboo wood chloropicrin of 35 ~ 70 grams or the aluminum phosphate of 5 ~ 7 grams.
Anticorrisive agent in aqueous preservative solution is (0.4 ~ 0.6) by mass ratio: (0.4 ~ 0.6): the ammoniacal copper quaternary of 1, N-2-benzimidazole ylcarbamic acid methyl ester and four hydration eight Boratexes form.
Described step 1) in the mass concentration of aqueous preservative solution be 0.5% ~ 5%.
Described step 1) mesoboric acid saline solution is one in following four kinds of solution:
The aqueous borate solution be made into by borax, benzoic acid, sodium hydrogensulfite and water; Wherein, in aqueous borate solution, the mass ratio of borax, benzoic acid, sodium hydrogensulfite is (1.9-2.1): (0.6-0.8): 1;
The aqueous borate solution be made into by borax, benzoic acid, sodium thiosulfate and water; Wherein, in aqueous borate solution, the mass ratio of borax, benzoic acid, sodium thiosulfate is (1.9-2.1): (0.6-0.8): 1;
The aqueous borate solution be made into by boric acid, alum, sodium sulfite, benzoic acid and water; Wherein, aqueous borate solution mesoboric acid, alum, sodium sulfite, benzoic mass ratio are 2:2:2:(0.4-0.6);
The aqueous borate solution be made into by borax, boric acid and water; Wherein, in aqueous borate solution, the mass ratio of borax and boric acid is 1:(1.4-1.6).
Described step 1) mass concentration of mesoboric acid saline solution is 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) portion of cold water of discharging is add cold water 1/3rd.
Described step 2) in cold water temperature be 5 ~ 20 DEG C.
Compared with prior art, beneficial effect of the present invention is:
The present invention by cold and hot channel process principle process bamboo wood, to kill worm's ovum and mould; This process is divided into anticorrisive agent heating and cooling two benches; Steam treatment is carried out, to improve the cracking resistance ability of bamboo wood to the heating of residue cooling water.And pass through the process of aqueous preservative solution or aqueous borate solution, not only overcome the problem that the conventional process time is long, antiseptic effect is poor, and processing method cost is low.When processing whole bamboo, antiseptic bamboo wood and residue cold water being heated to 75 ~ 85 DEG C in closed container, at 2 ~ 3 normal atmosphere pressure maintenance 4 ~ 6h, being less likely to occur bamboo wood cracking like this, making being evenly distributed of medicament, bamboo wood top layer can be arrived.
In addition, the present invention with through fumigating system except the bamboo wood killing adult for raw material processes, therefore, subsequently through cold and hot channel process principle process bamboo wood to kill worm's ovum and mould, the worm's ovum in bamboo wood and mould can be killed further.
Detailed description of the invention
Embodiment 1:
1) take aluminum phosphate as fumigation medicament, heating fumigating medicament is fumigated 72h to bamboo wood and is obtained through fumigating system except the bamboo wood killing adult; Every cubic metre of bamboo wood aluminum phosphate of 5 grams;
2) will be in 0.5% aqueous preservative solution except the bamboo wood killing adult is submerged in mass concentration through fumigating system, be then heated to 85 DEG C of insulation 2h to kill worm's ovum and mould, obtain the liquid containing bamboo wood; Wherein, the anticorrisive agent in aqueous preservative solution by mass ratio be the ammoniacal copper quaternary of 0.4:0.5:1, N-2-benzimidazole ylcarbamic acid methyl ester and four hydration eight Boratexes form;
3) stop heating, carry out Separation of Solid and Liquid from the liquid containing bamboo wood, obtain antiseptic bamboo wood; Then in antiseptic bamboo wood, the cold water that temperature is 5 DEG C is added, until flood antiseptic bamboo wood, leave standstill 1h, then the cold water of 2/3rds is discharged, then antiseptic bamboo wood and residue cold water are heated to 75 DEG C in closed container, keep 6h 2 normal atmosphere pressures, finally the pre-treatment bamboo wood obtained is taken out and naturally dries.
Embodiment 2:
1) take aluminum phosphate as fumigation medicament, heating fumigating medicament is fumigated 72h to bamboo wood and is obtained through fumigating system except the bamboo wood killing adult; Every cubic metre of bamboo wood aluminum phosphate of 5 grams;
2) will be in 10% aqueous borate solution except the bamboo wood killing adult is submerged in mass concentration through fumigating system, be then heated to 85 DEG C of insulation 2h to kill worm's ovum and mould, obtain the liquid containing bamboo wood; Wherein, aqueous borate solution is made into by borax, benzoic acid, sodium hydrogensulfite and water, and in aqueous borate solution, the mass ratio of borax, benzoic acid, sodium hydrogensulfite is 1.9:0.8:1;
3) stop heating, the liquid containing bamboo wood is carried out Separation of Solid and Liquid, obtains antiseptic bamboo wood; Then in antiseptic bamboo wood, the cold water that temperature is 5 DEG C is added, until flood antiseptic bamboo wood, leave standstill 1h, then the cold water of 2/3rds is discharged, then antiseptic bamboo wood and residue cold water are heated to 75 DEG C in closed container, keep 6h 2 normal atmosphere pressures, finally the pre-treatment bamboo wood obtained is taken out and naturally dries.
Embodiment 3:
1) take chloropicrin as fumigation medicament, heating fumigating medicament is fumigated 72h to bamboo wood and is obtained through fumigating system except the bamboo wood killing adult; Every cubic metre of bamboo wood chloropicrin of 35 grams;
2) will be in 3% aqueous preservative solution except the bamboo wood killing adult is submerged in mass concentration through fumigating system, be then heated to 95 DEG C of insulation 1.5h to kill worm's ovum and mould, obtain the liquid containing bamboo wood; Wherein, the anticorrisive agent in aqueous preservative solution by mass ratio be the ammoniacal copper quaternary of 0.6:0.4:1, N-2-benzimidazole ylcarbamic acid methyl ester and four hydration eight Boratexes form;
3) stop heating, the liquid containing bamboo wood is carried out Separation of Solid and Liquid, obtains antiseptic bamboo wood; Then in antiseptic bamboo wood, the cold water that temperature is 20 DEG C is added, until flood antiseptic bamboo wood, leave standstill 1.5h, then the cold water of 2/3rds is discharged, then antiseptic bamboo wood and residue cold water are heated to 80 DEG C in closed container, keep 4h 3 normal atmosphere pressures, finally the pre-treatment bamboo wood obtained is taken out and naturally dries.
Embodiment 4:
1) take chloropicrin as fumigation medicament, heating fumigating medicament is fumigated 72h to bamboo wood and is obtained through fumigating system except the bamboo wood killing adult; Every cubic metre of bamboo wood chloropicrin of 35 grams;
2) will be in 12% aqueous borate solution except the bamboo wood killing adult is submerged in mass concentration through fumigating system, be then heated to 95 DEG C of insulation 1.5h to kill worm's ovum and mould, obtain the liquid containing bamboo wood; Wherein, aqueous borate solution is made into by borax, benzoic acid, sodium hydrogensulfite and water, and in aqueous borate solution, the mass ratio of borax, benzoic acid, sodium hydrogensulfite is 2.1:0.7:1;
3) stop heating, the liquid containing bamboo wood is carried out Separation of Solid and Liquid, obtains antiseptic bamboo wood; Then in antiseptic bamboo wood, the cold water that temperature is 20 DEG C is added, until flood antiseptic bamboo wood, leave standstill 1.5h, then the cold water of 2/3rds is discharged, then antiseptic bamboo wood and residue cold water are heated to 80 DEG C in closed container, keep 4h 3 normal atmosphere pressures, finally the pre-treatment bamboo wood obtained is taken out and naturally dries.
Embodiment 5:
1) take chloropicrin as fumigation medicament, heating fumigating medicament is fumigated 72h to bamboo wood and is obtained through fumigating system except the bamboo wood killing adult; Every cubic metre of bamboo wood chloropicrin of 70 grams;
2) will be in 5% aqueous preservative solution except the bamboo wood killing adult is submerged in mass concentration through fumigating system, be then heated to 90 DEG C of insulation 1.8h to kill worm's ovum and mould, obtain the liquid containing bamboo wood; Wherein, the anticorrisive agent in aqueous preservative solution by mass ratio be the ammoniacal copper quaternary of 0.5:0.6:1, N-2-benzimidazole ylcarbamic acid methyl ester and four hydration eight Boratexes form;
3) stop heating, the liquid containing bamboo wood is carried out Separation of Solid and Liquid, obtains antiseptic bamboo wood; Then in antiseptic bamboo wood, the cold water that temperature is 10 DEG C is added, until flood antiseptic bamboo wood, leave standstill 1.2h, then the cold water of 2/3rds is discharged, then antiseptic bamboo wood and residue cold water are heated to 85 DEG C in closed container, keep 5h 2 normal atmosphere pressures, finally the pre-treatment bamboo wood obtained is taken out and naturally dries.
Embodiment 6:
1) take chloropicrin as fumigation medicament, heating fumigating medicament is fumigated 72h to bamboo wood and is obtained through fumigating system except the bamboo wood killing adult; Every cubic metre of bamboo wood chloropicrin of 70 grams;
2) will be in 15% aqueous borate solution except the bamboo wood killing adult is submerged in mass concentration through fumigating system, be then heated to 90 DEG C of insulation 1.8h to kill worm's ovum and mould, obtain the liquid containing bamboo wood; Wherein, aqueous borate solution is made into by borax, benzoic acid, sodium hydrogensulfite and water, and in aqueous borate solution, the mass ratio of borax, benzoic acid, sodium hydrogensulfite is 2.0:0.6:1;
3) stop heating, the liquid containing bamboo wood is carried out Separation of Solid and Liquid, obtains antiseptic bamboo wood; Then in antiseptic bamboo wood, the cold water that temperature is 10 DEG C is added, until flood antiseptic bamboo wood, leave standstill 1.2h, then the cold water of 2/3rds is discharged, then antiseptic bamboo wood and residue cold water are heated to 85 DEG C in closed container, keep 5h 2 normal atmosphere pressures, finally the pre-treatment bamboo wood obtained is taken out and naturally dries.
Embodiment 7:
1) take aluminum phosphate as fumigation medicament, heating fumigating medicament is fumigated 72h to bamboo wood and is obtained through fumigating system except the bamboo wood killing adult; Every cubic metre of bamboo wood aluminum phosphate of 7 grams;
2) will be in 1% aqueous preservative solution except the bamboo wood killing adult is submerged in mass concentration through fumigating system, be then heated to 95 DEG C of insulation 1.5h to kill worm's ovum and mould, obtain the liquid containing bamboo wood; Wherein, the anticorrisive agent in aqueous preservative solution by mass ratio be the ammoniacal copper quaternary of 0.5:0.6:1, N-2-benzimidazole ylcarbamic acid methyl ester and four hydration eight Boratexes form;
3) stop heating, the liquid containing bamboo wood is carried out Separation of Solid and Liquid, obtains antiseptic bamboo wood; Then in antiseptic bamboo wood, the cold water that temperature is 14 DEG C is added, until flood antiseptic bamboo wood, leave standstill 1h, then the cold water of 2/3rds is discharged, then antiseptic bamboo wood and residue cold water are heated to 80 DEG C in closed container, keep 5h 2 normal atmosphere pressures, finally the pre-treatment bamboo wood obtained is taken out and naturally dries.
Embodiment 8:
1) take aluminum phosphate as fumigation medicament, heating fumigating medicament is fumigated 72h to bamboo wood and is obtained through fumigating system except the bamboo wood killing adult; Every cubic metre of bamboo wood aluminum phosphate of 7 grams;
2) will be in 10% aqueous borate solution except the bamboo wood killing adult is submerged in mass concentration through fumigating system, be then heated to 95 DEG C of insulation 1.5h to kill worm's ovum and mould, obtain the liquid containing bamboo wood; Wherein, aqueous borate solution is made into by borax, benzoic acid, sodium thiosulfate and water, and in aqueous borate solution, the mass ratio of borax, benzoic acid, sodium thiosulfate is 2.1:0.6:1;
3) stop heating, the liquid containing bamboo wood is carried out Separation of Solid and Liquid, obtains antiseptic bamboo wood; Then in antiseptic bamboo wood, the cold water that temperature is 14 DEG C is added, until flood antiseptic bamboo wood, leave standstill 1h, then the cold water of 2/3rds is discharged, then antiseptic bamboo wood and residue cold water are heated to 80 DEG C in closed container, keep 5h 2 normal atmosphere pressures, finally the pre-treatment bamboo wood obtained is taken out and naturally dries.
Embodiment 9:
By step 2) in aqueous borate solution in borax, benzoic acid, sodium thiosulfate mass ratio become 1.9:0.8:1; Other are identical with embodiment 8.
Embodiment 10:
By step 2) in aqueous borate solution in borax, benzoic acid, sodium thiosulfate mass ratio become 2:0.7:1; Other are identical with embodiment 8.
Embodiment 11:
1) take chloropicrin as fumigation medicament, heating fumigating medicament is fumigated 72h to bamboo wood and is obtained through fumigating system except the bamboo wood killing adult; Every cubic metre of bamboo wood chloropicrin of 60 grams;
2) will be in 3% aqueous preservative solution except the bamboo wood killing adult is submerged in by mass concentration through fumigating system, be then heated to 95 DEG C of insulation 1.5h to kill worm's ovum and mould, obtain the liquid containing bamboo wood; Wherein, the anticorrisive agent in aqueous preservative solution by mass ratio be the ammoniacal copper quaternary of 0.5:0.4:1, N-2-benzimidazole ylcarbamic acid methyl ester and four hydration eight Boratexes form;
3) stop heating, the liquid containing bamboo wood is carried out Separation of Solid and Liquid, obtains antiseptic bamboo wood; Then in antiseptic bamboo wood, the cold water that temperature is 18 DEG C is added, until flood antiseptic bamboo wood, leave standstill 1.2h, then the cold water of 2/3rds is discharged, then antiseptic bamboo wood and residue cold water are heated to 80 DEG C in closed container, keep 6h 3 normal atmosphere pressures, finally the pre-treatment bamboo wood obtained is taken out and naturally dries.
Embodiment 12:
1) take chloropicrin as fumigation medicament, heating fumigating medicament is fumigated 72h to bamboo wood and is obtained through fumigating system except the bamboo wood killing adult; Every cubic metre of bamboo wood chloropicrin of 60 grams;
2) will be in 12% aqueous borate solution except the bamboo wood killing adult is submerged in mass concentration through fumigating system, be then heated to 95 DEG C of insulation 1.5h to kill worm's ovum and mould, obtain the impregnating fluid containing bamboo wood; Wherein, aqueous borate solution is made into by boric acid, alum, sodium sulfite, benzoic acid and water, and acid in aqueous borate solution, alum, sodium sulfite, benzoic mass ratio are 2:2:2:0.4;
3) stop heating, the liquid containing bamboo wood is carried out Separation of Solid and Liquid, obtains antiseptic bamboo wood; Then in antiseptic bamboo wood, the cold water that temperature is 18 DEG C is added, until flood antiseptic bamboo wood, leave standstill 1.2h, then the cold water of 2/3rds is discharged, then antiseptic bamboo wood and residue cold water are heated to 80 DEG C in closed container, keep 6h 3 normal atmosphere pressures, finally the pre-treatment bamboo wood obtained is taken out and naturally dries.
Embodiment 13:
By step 2) in aqueous borate solution in acid, alum, sodium sulfite, benzoic 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 mass ratio be 2:2:2:0.7; Other are identical with embodiment 12.
Embodiment 15:
1) take aluminum phosphate as fumigation medicament, heating fumigating medicament is fumigated 72h to bamboo wood and is obtained through fumigating system except the bamboo wood killing adult; Every cubic metre of bamboo wood chloropicrin of 6 grams;
2) will be in 4% aqueous preservative solution except the bamboo wood killing adult is submerged in mass concentration through fumigating system, be then heated to 95 DEG C of insulation 1.5h to kill worm's ovum and mould, obtain the impregnating fluid containing bamboo wood; Wherein, the active ingredient in the ammoniacal copper quaternary aqueous solution by mass ratio be the ammoniacal copper quaternary of 0.5:0.4:1, N-2-benzimidazole ylcarbamic acid methyl ester and four hydration eight Boratexes form;
3) stop heating, the liquid containing bamboo wood is carried out Separation of Solid and Liquid, obtains antiseptic bamboo wood; Then in antiseptic bamboo wood, the cold water that temperature is 5 DEG C is added, until flood antiseptic bamboo wood, leave standstill 1h, then the cold water of 2/3rds is discharged, then antiseptic bamboo wood and residue cold water are heated to 75 DEG C in closed container, keep 6h 2 normal atmosphere pressures, finally the pre-treatment bamboo wood obtained is taken out and naturally dries.
Embodiment 16:
1) take aluminum phosphate as fumigation medicament, heating fumigating medicament is fumigated 72h to bamboo wood and is obtained through fumigating system except the bamboo wood killing adult; Every cubic metre of bamboo wood chloropicrin of 6 grams;
2) will be in 15% aqueous borate solution except the bamboo wood killing adult is submerged in mass concentration through fumigating system, be then heated to 95 DEG C of insulation 1.5h to kill worm's ovum and mould, obtain the impregnating fluid containing bamboo wood; Wherein, aqueous borate solution is made into by borax, boric acid and water, and in aqueous borate solution, the mass ratio of borax and boric acid is 1:1.6;
3) stop heating, the liquid containing bamboo wood is carried out Separation of Solid and Liquid, obtains antiseptic bamboo wood; Then in antiseptic bamboo wood, the cold water that temperature is 5 DEG C is added, until flood antiseptic bamboo wood, leave standstill 1h, then the cold water of 2/3rds is discharged, then antiseptic bamboo wood and residue cold water are heated to 75 DEG C in closed container, keep 6h 2 normal atmosphere pressures, finally the pre-treatment bamboo wood obtained is taken out and naturally dries.
Embodiment 17:
By step 2) in aqueous borate solution in the mass ratio of borax and boric acid be 1:1.4; Other are identical with embodiment 16.
Embodiment 18:
By step 2) in aqueous borate solution in the mass ratio of borax and boric acid be 1:1.5; Other are identical with embodiment 16.
Claims (10)
1. a bamboo wood pre-treating method, is characterized in that, comprises the following steps:
1) by through fumigating system except the bamboo wood killing adult is submerged in aqueous preservative solution or aqueous borate solution, then heating kill worm's ovum and mould, obtain the liquid containing bamboo wood;
2) stop heating, the liquid containing bamboo wood is carried out Separation of Solid and Liquid, obtains antiseptic bamboo wood; Then in antiseptic bamboo wood, cold water is added, until flood antiseptic bamboo wood, leave standstill 1 ~ 1.5h, then portion of cold water is discharged, then antiseptic bamboo wood and residue cold water are heated to 75 ~ 85 DEG C in closed container, at 2 ~ 3 normal atmosphere pressure maintenance 4 ~ 6h, finally the pre-treatment bamboo wood obtained is separated and naturally dried.
2. bamboo wood pre-treating method according to claim 1, is characterized in that, described step 1) in by heating fumigating medicament, 72h is fumigated to bamboo wood except the bamboo wood killing adult through fumigating system and obtains.
3. bamboo wood pre-treating method according to claim 2, is characterized in that: described fumigation medicament adopts chloropicrin or aluminum phosphate, every cubic metre of the bamboo wood chloropicrin of 35 ~ 70 grams or the aluminum phosphate of 5 ~ 7 grams.
4. bamboo wood pre-treating method according to claim 1, is characterized in that: the anticorrisive agent in aqueous preservative solution is (0.4 ~ 0.6) by mass ratio: (0.4 ~ 0.6): the ammoniacal copper quaternary of 1, N-2-benzimidazole ylcarbamic acid methyl ester and four hydration eight Boratexes form.
5. bamboo wood pre-treating method according to claim 1, is characterized in that: described step 1) in the mass concentration of aqueous preservative solution be 0.5% ~ 5%.
6. bamboo wood pre-treating method according to claim 1, is characterized in that: described step 1) mesoboric acid saline solution is one in following four kinds of solution:
The aqueous borate solution be made into by borax, benzoic acid, sodium hydrogensulfite and water; Wherein, in aqueous borate solution, the mass ratio of borax, benzoic acid, sodium hydrogensulfite is (1.9-2.1): (0.6-0.8): 1;
The aqueous borate solution be made into by borax, benzoic acid, sodium thiosulfate and water; Wherein, in aqueous borate solution, the mass ratio of borax, benzoic acid, sodium thiosulfate is (1.9-2.1): (0.6-0.8): 1;
The aqueous borate solution be made into by boric acid, alum, sodium sulfite, benzoic acid and water; Wherein, aqueous borate solution mesoboric acid, alum, sodium sulfite, benzoic mass ratio are 2:2:2:(0.4-0.6);
The aqueous borate solution be made into by borax, boric acid and water; Wherein, in aqueous borate solution, the mass ratio of borax and boric acid is 1:(1.4-1.6).
7. bamboo wood pre-treating method according to claim 1, is characterized in that: described step 1) mass concentration of mesoboric acid saline solution is 10 ~ 15%.
8. bamboo wood pre-treating method according to claim 1, is characterized in that: described step 1) in be heated to 85 ~ 95 DEG C insulation 1.5 ~ 2h to kill worm's ovum and mould.
9. bamboo wood pre-treating method according to claim 1, is characterized in that: described step 1) portion of cold water of discharging is add cold water 1/3rd.
10. the bamboo wood pre-treating method according to claim 1 or 9, is characterized in that: described step 2) in cold water temperature be 5 ~ 20 DEG C.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107498670A (en) * | 2017-10-09 | 2017-12-22 | 柳州隆泰竹业有限公司 | The mold-proof method of bamboo wood |
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