CN108818827A - A kind of processing method of outdoor preserving timber - Google Patents
A kind of processing method of outdoor preserving timber Download PDFInfo
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- CN108818827A CN108818827A CN201810414735.7A CN201810414735A CN108818827A CN 108818827 A CN108818827 A CN 108818827A CN 201810414735 A CN201810414735 A CN 201810414735A CN 108818827 A CN108818827 A CN 108818827A
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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
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/34—Organic impregnating agents
- B27K3/50—Mixtures of different organic impregnating agents
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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
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/02—Processes; Apparatus
- B27K3/0207—Pretreatment of wood before impregnation
-
- 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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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
The invention belongs to wood preservation technical fields, and in particular to a kind of processing method of outdoor preserving timber, the use of preparation and preservative including preservative；The preservative is made of raw material from the following weight：4-8 parts of wheat bran, 1-3 parts of microwax, 0.3-0.8 parts of aluminium isopropoxide, 24-28 parts of stinkgrass flower, 3-5 parts of liana seed.The present invention has the following advantages that compared with prior art：Raw material is from a wealth of sources in the present invention, preparation condition is controllable, gained preservative is easy to save, and stability is high, for that can make it have preferable anti-corrosive properties after handling wood raw material, it is generated during the preparation process without organic pollutant, fixation performance in wood is good, and good in wood surface adhesive force, resistance leachability is strong, it has no irritating odor, low toxicity, use easy to spread.
Description
Technical field
The invention belongs to wood preservation technical fields, and in particular to a kind of processing method of outdoor preserving timber.
Background technique
China is a timber consumption big country, and about 600,000 square metres of the scalage of annual preservative treatment, insufficient timber produces
The 1% of amount, compared with World Developed Countries and quasi- developed country, gap is larger, in order to guarantee the lasting hair of China's economic heath
The forest reserves are saved in exhibition, it is necessary to go into overdrive to develop wood preservation industry, domestic timber preservative mainly includes oils at present
Preservative, oil carry preservative and water ballast preservative three classes, and the most widely used is water ballast preservative, and oil-type preservation is in addition to right
The toxicity of people and animals and to the influence of environment outside, be easy to pollute product surface after use, while there is penetrating odor；Oil
Preservative is carried due to energy shortage, its casting is caused to be substituted by water ballast preservative；Present most common water ballast preservative is to add
Chromium copper arsenate, cheap, Corrosion Protection, mechanical property and top finishing are functional after processing, and resistance leachability is strong, but its
With toxicity, its use is strictly limited in many countries；Pyatyi boric acid class timber preservative local hypotoxicity and wide spectrum are anti-
Bacterium property, but its resistance leachability is very poor, to improve the fixation performance of boride in wood, has been had begun now to boride point
The research that minor structure is chemically modified；With the outdoor preserving timber such as agricultural material, gardens material and structural lumber development
Comparatively fast, the preservative used is mainly CCA, and other high poison preservative still uses excessively in China, this in order to change
Situation needs further to study the preservative and anti-corrosion method easily promoted.
Summary of the invention
The purpose of the present invention is being directed to existing problem, a kind of processing method of outdoor preserving timber is provided.
The present invention is achieved by the following technical solutions：A kind of processing method of outdoor preserving timber, including preservative
Preparation and preservative use；The preservative is made of raw material from the following weight：4-8 parts of wheat bran, microwax 1-3
Part, 0.3-0.8 parts of aluminium isopropoxide, 24-28 parts of stinkgrass flower, 3-5 parts of liana seed；Preparation method includes the following steps：
（1）Liana seed is baked to 2-3 as a child to pulverize under conditions of temperature is 40-60 DEG C, crosses 40 meshes, wherein
The stinkgrass flower that water content is 1-3% is added, continues grinding 8-12 minutes, obtains mixed powder, mixed powder addition is equivalent to it
10-12 times of weight of temperature is 85-95 DEG C of hot water, is extracted 30-40 minutes, primary filtering, obtains first-time filtrate and filter after the completion
Slag, being added in filter residue and being equivalent to the temperature of 4-6 times of its weight is 70-80 DEG C of hot water, is extracted 30-40 minutes, secondary after the completion
Filtering obtains secondary filtrate, merges first-time filtrate and secondary filtrate obtains through disk centrifugal, ultrafiltration, rotary evaporation to paste
Middle material A；
（2）Wheat bran is stir-fried to 30% in hot pot and carbonized, grinding obtains the wheatfeed of 320-360 mesh after natural cooling, then exists
Microwax and aluminium isopropoxide is wherein added, after being heated to 75-85 DEG C, is stirred to react 10-20 minutes, arteries and veins is used in whipping process
Strong illumination processing is rushed, pulse strong-light exposure intensity is 4.4-4.6J/cm2, it is primary every irradiation in 1 minute in whipping process,
Each irradiation time is 3-4 seconds, and per second dodge is shone 3 times, after stirring, obtains middle material B；
（3）Middle material A and middle material B is stirred 10-20 minutes under conditions of temperature is 80-90 DEG C, it is natural after the completion
Cooling obtains preservative；
The application method of preservative is that it is 1-2% that preservative obtained by above-mentioned preparation, which is diluted with water to its mass concentration, after the completion
Obtain antiseptic wash, will need anti-corrosion process wood raw material is impregnated in antiseptic wash 2-4 minutes, use it is preceding need to
The wood raw material stacking in processing that the moisture content for wanting anti-corrosion to process is 2-4%, dry-bulb temperature is with the heating of 35-45 DEG C/h
Rate rises to 100 DEG C, in temperature-rise period from room temperature, guarantees that dry, wet-bulb depression is 15-25 DEG C, Air flow velocity 2-4m/s,
Continue to be kept for 40-60 minutes after the completion of heating.
As further improvement of these options, the wheat bran；The density of the microwax is 0.86-0.88g/cm3,
Fusing point is 70 DEG C；The content of aluminium element is 14.8% in the aluminium isopropoxide；The stinkgrass flower is complete in addition to root
Grass, drying means are dry in the circulating air that temperature is 60-70 DEG C；The preparation method of the liana seed is that harvesting is new
It is obtained after fresh liana beans drying, peeling, arrangement.
As further improvement of these options, the wheat bran is stir-fried in hot pot to 30% charing, is used60Co- γ is penetrated
Radiation treatment 6-8min in line irradiation instrument, the accumulated dose of irradiation are 8-12kGy, after the completion natural cooling.
As further improvement of these options, the step（1）In be once filtered into it is cooling after stand diacolation 20-40
Minute, secondary filter is to stand diacolation 3.5-5.5 hours after cooling down.
As further improvement of these options, the preserving timber is selected from Eucalyptus, poplar.
The present invention has the following advantages that compared with prior art：Raw material is from a wealth of sources in the present invention, and preparation condition is controllable, gained
Preservative is easy to save, and stability is high, for that can make it have preferable anti-corrosive properties after handling wood raw material, during the preparation process
No organic pollutant generates, and fixation performance in wood is good, and good in wood surface adhesive force, resistance leachability is strong, nonirritant
Smell, low toxicity, use easy to spread.
Specific embodiment
Embodiment 1
A kind of processing method of outdoor preserving timber, the use of preparation and preservative including preservative；The preservative by
The raw material of following parts by weight is made：6 parts of wheat bran, 2 parts of microwax, 0.5 part of aluminium isopropoxide, 26 parts of stinkgrass flower, liana seed 4
Part；Preparation method includes the following steps：
（1）Liana seed is baked under conditions of temperature is 50 DEG C and 2.5 was as a child pulverized, 40 meshes are crossed, wherein plus
Enter the stinkgrass flower that water content is 2%, continue grinding 10 minutes, obtain mixed powder, mixed powder addition is equivalent to its weight 11
Temperature again is 80 DEG C of hot water, is extracted 35 minutes, primary filtering, obtains first-time filtrate and filter residue, be added in filter residue after the completion
The temperature for being equivalent to 5 times of its weight is 75 DEG C of hot water, is extracted 35 minutes, and secondary filter, obtains secondary filtrate after the completion, merges one
Secondary filtrate and secondary filtrate obtain middle material A through disk centrifugal, ultrafiltration, rotary evaporation to paste；
（2）Wheat bran is stir-fried to 30% in hot pot and carbonized, grinding obtains the wheatfeed of 340 mesh after natural cooling, then wherein
Microwax and aluminium isopropoxide is added, after being heated to 80 DEG C, is stirred to react 15 minutes, is irradiated in whipping process with pulse strong-light
Processing, pulse strong-light exposure intensity are 4.5J/cm2, and primary every irradiation in 1 minute in whipping process, each irradiation time is
3.5 seconds, per second dodge was shone 3 times, after stirring, obtained middle material B；
（3）Middle material A and middle material B is stirred 15 minutes under conditions of temperature is 85 DEG C, natural cooling obtains after the completion
To preservative；
The application method of preservative is that it is 1.5% that preservative obtained by above-mentioned preparation, which is diluted with water to its mass concentration, after the completion
Antiseptic wash is obtained, the wood raw material for needing anti-corrosion to process is impregnated 3 minutes in antiseptic wash, will be needed using preceding
The wood raw material stacking in processing that the moisture content of anti-corrosion processing is 3%, dry-bulb temperature is with the heating rate of 40 DEG C/h from room
Temperature rise is to 100 DEG C, in temperature-rise period, guarantees that dry, wet-bulb depression is 20 DEG C, Air flow velocity 3m/s, after the completion of heating after
Continuation of insurance is held 50 minutes.
Wherein, the wheat bran；The density of the microwax is 0.86-0.88g/cm3, and fusing point is 70 DEG C；Three isopropyl
The content of aluminium element is 14.8% in oxygroup aluminium；The stinkgrass flower is the herb in addition to root, and it is 65 that drying means, which is in temperature,
DEG C circulating air in it is dry；The preparation method of the liana seed is after harvesting fresh liana beans drying, peeling, arrangement
It obtains；
The wheat bran is stir-fried in hot pot to 30% charing, is used60Radiation treatment 7min in Co- gamma-ray irradiation instrument, irradiation
Accumulated dose is 10kGy, after the completion natural cooling；
Wherein, the step（1）In be once filtered into it is cooling after stands diacolation 30 minutes, secondary filter is to stand diacolation after cooling down
4.5 hour.
Embodiment 2
A kind of processing method of outdoor preserving timber, the use of preparation and preservative including preservative；The preservative by
The raw material of following parts by weight is made：4 parts of wheat bran, 3 parts of microwax, 0.3 part of aluminium isopropoxide, 28 parts of stinkgrass flower, liana seed 3
Part；Preparation method includes the following steps：
（1）Liana seed is baked to 2 as a child to pulverize under conditions of temperature is 60 DEG C, 40 meshes is crossed, is added wherein
The stinkgrass flower that water content is 3% continues grinding 12 minutes, obtains mixed powder, and mixed powder addition is equivalent to 10 times of its weight
Temperature be 95 DEG C of hot water, extract 40 minutes, primary filtering, obtains first-time filtrate and filter residue, phase is added in filter residue after the completion
When the temperature in 4 times of its weight is 80 DEG C of hot water, extraction 30 minutes, secondary filter, obtains secondary filtrate after the completion, merges primary
Filtrate and secondary filtrate obtain middle material A through disk centrifugal, ultrafiltration, rotary evaporation to paste；
（2）Wheat bran is stir-fried to 30% in hot pot and carbonized, grinding obtains the wheatfeed of 320 mesh after natural cooling, then wherein
Microwax and aluminium isopropoxide is added, after being heated to 85 DEG C, is stirred to react 20 minutes, is irradiated in whipping process with pulse strong-light
Processing, pulse strong-light exposure intensity are 4.6J/cm2, primary every irradiation in 1 minute in whipping process, and each irradiation time is 3
Second, per second dodge is shone 3 times, after stirring, obtains middle material B；
（3）Middle material A and middle material B are stirred 20 minutes under the conditions of at a temperature of 90 °C, natural cooling obtains after the completion
To preservative；
The application method of preservative is that it is 2% that preservative obtained by above-mentioned preparation, which is diluted with water to its mass concentration, after the completion
To antiseptic wash, the wood raw material for needing anti-corrosion to process is impregnated 4 minutes in antiseptic wash, will need to prevent using preceding
The wood raw material stacking in processing that the moisture content of corruption processing is 2%, dry-bulb temperature is with the heating rate of 45 DEG C/h from room temperature
100 DEG C, in temperature-rise period are risen to, guarantees that dry, wet-bulb depression is 15 DEG C, Air flow velocity 2m/s, continues after the completion of heating
It is kept for 60 minutes.
Wherein, the wheat bran；The density of the microwax is 0.86-0.88g/cm3, and fusing point is 70 DEG C；Three isopropyl
The content of aluminium element is 14.8% in oxygroup aluminium；The stinkgrass flower is the herb in addition to root, and it is 70 that drying means, which is in temperature,
DEG C circulating air in it is dry；The preparation method of the liana seed is after harvesting fresh liana beans drying, peeling, arrangement
It obtains；
The wheat bran is stir-fried in hot pot to 30% charing, is used60Radiation treatment 6min in Co- gamma-ray irradiation instrument, irradiation
Accumulated dose is 12kGy, after the completion natural cooling；
Wherein, the step（1）In be once filtered into it is cooling after stands diacolation 40 minutes, secondary filter is to stand diacolation after cooling down
5.5 hour.
Embodiment 3
A kind of processing method of outdoor preserving timber, the use of preparation and preservative including preservative；The preservative by
The raw material of following parts by weight is made：8 parts of wheat bran, 1 part of microwax, 0.8 part of aluminium isopropoxide, 24 parts of stinkgrass flower, liana seed 5
Part；Preparation method includes the following steps：
（1）Liana seed is baked to 3 as a child to pulverize under conditions of temperature is 40 DEG C, 40 meshes is crossed, is added wherein
The stinkgrass flower that water content is 1% continues grinding 8 minutes, obtains mixed powder, and mixed powder addition is equivalent to 12 times of its weight
Temperature be 85 DEG C of hot water, extract 30 minutes, primary filtering, obtains first-time filtrate and filter residue, phase is added in filter residue after the completion
When the temperature in 6 times of its weight is 70 DEG C of hot water, extraction 40 minutes, secondary filter, obtains secondary filtrate after the completion, merges primary
Filtrate and secondary filtrate obtain middle material A through disk centrifugal, ultrafiltration, rotary evaporation to paste；
（2）Wheat bran is stir-fried to 30% in hot pot and carbonized, grinding obtains the wheatfeed of 360 mesh after natural cooling, then wherein
Microwax and aluminium isopropoxide is added, after being heated to 75 DEG C, is stirred to react 10 minutes, is irradiated in whipping process with pulse strong-light
Processing, pulse strong-light exposure intensity are 4.4J/cm2, primary every irradiation in 1 minute in whipping process, and each irradiation time is 4
Second, per second dodge is shone 3 times, after stirring, obtains middle material B；
（3）Middle material A and middle material B is stirred 10 minutes under conditions of temperature is 80 DEG C, natural cooling obtains after the completion
To preservative；
The application method of preservative is that it is 1% that preservative obtained by above-mentioned preparation, which is diluted with water to its mass concentration, after the completion
To antiseptic wash, the wood raw material for needing anti-corrosion to process is impregnated 2 minutes in antiseptic wash, will need to prevent using preceding
The wood raw material stacking in processing that the moisture content of corruption processing is 4%, dry-bulb temperature is with the heating rate of 35 DEG C/h from room temperature
100 DEG C, in temperature-rise period are risen to, guarantees that dry, wet-bulb depression is 25 DEG C, Air flow velocity 4m/s, continues after the completion of heating
It is kept for 40 minutes.
Wherein, the wheat bran；The density of the microwax is 0.86-0.88g/cm3, and fusing point is 70 DEG C；Three isopropyl
The content of aluminium element is 14.8% in oxygroup aluminium；The stinkgrass flower is the herb in addition to root, and it is 60 that drying means, which is in temperature,
DEG C circulating air in it is dry；The preparation method of the liana seed is after harvesting fresh liana beans drying, peeling, arrangement
It obtains；
The wheat bran is stir-fried in hot pot to 30% charing, is used60Radiation treatment 8min in Co- gamma-ray irradiation instrument, irradiation
Accumulated dose is 8kGy, after the completion natural cooling；
Wherein, the step（1）In be once filtered into it is cooling after stands diacolation 20 minutes, secondary filter is to stand diacolation after cooling down
3.5 hour.
Embodiment 4
A kind of processing method of outdoor preserving timber, the use of preparation and preservative including preservative；The preservative by
The raw material of following parts by weight is made：6 parts of wheat bran, 2 parts of microwax, 0.5 part of aluminium isopropoxide, 26 parts of stinkgrass flower, liana seed 4
Part；Preparation method includes the following steps：
（1）Liana seed is baked under conditions of temperature is 50 DEG C and 2.5 was as a child pulverized, 40 meshes are crossed, wherein plus
Enter the stinkgrass flower that water content is 2%, continue grinding 10 minutes, obtain mixed powder, mixed powder addition is equivalent to its weight 11
Temperature again is 80 DEG C of hot water, is extracted 35 minutes, primary filtering, obtains first-time filtrate and filter residue, be added in filter residue after the completion
The temperature for being equivalent to 5 times of its weight is 75 DEG C of hot water, is extracted 35 minutes, and secondary filter, obtains secondary filtrate after the completion, merges one
Secondary filtrate and secondary filtrate obtain middle material A through disk centrifugal, ultrafiltration, rotary evaporation to paste；
（2）Wheat bran is stir-fried to 30% in hot pot and carbonized, grinding obtains the wheatfeed of 340 mesh after natural cooling, then wherein
Microwax and aluminium isopropoxide is added, after being heated to 80 DEG C, is stirred to react 15 minutes, is irradiated in whipping process with pulse strong-light
Processing, pulse strong-light exposure intensity are 4.5J/cm2, and primary every irradiation in 1 minute in whipping process, each irradiation time is
3.5 seconds, per second dodge was shone 3 times, after stirring, obtained middle material B；
（3）Middle material A and middle material B is stirred 15 minutes under conditions of temperature is 85 DEG C, natural cooling obtains after the completion
To preservative；
The application method of preservative is that it is 1.5% that preservative obtained by above-mentioned preparation, which is diluted with water to its mass concentration, after the completion
Antiseptic wash is obtained, the wood raw material for needing anti-corrosion to process is impregnated 3 minutes in antiseptic wash, will be needed using preceding
The wood raw material stacking in processing that the moisture content of anti-corrosion processing is 3%, dry-bulb temperature is with the heating rate of 40 DEG C/h from room
Temperature rise is to 100 DEG C, in temperature-rise period, guarantees that dry, wet-bulb depression is 20 DEG C, Air flow velocity 3m/s, after the completion of heating after
Continuation of insurance is held 50 minutes.
Wherein, the wheat bran；The density of the microwax is 0.86-0.88g/cm3, and fusing point is 70 DEG C；Three isopropyl
The content of aluminium element is 14.8% in oxygroup aluminium；The stinkgrass flower is the herb in addition to root, and it is 65 that drying means, which is in temperature,
DEG C circulating air in it is dry；The preparation method of the liana seed is after harvesting fresh liana beans drying, peeling, arrangement
It obtains；
Wherein, the step（1）In be once filtered into it is cooling after stands diacolation 30 minutes, secondary filter is to stand diacolation after cooling down
4.5 hour.
Control group 1 is set, by step in embodiment 1（1）,（3）And its related raw material removes, remaining content is constant；Setting
Control group 2, by step in embodiment 1（2）,（3）And its related raw material removes, remaining content is constant；Control group 3 is set, it will be real
Apply in example 1 using it is preceding will need anti-corrosion processing to the drying steps of wood raw material replace with temperature be 80 DEG C, humidity 30-
Constant temperature is handled 1 hour under conditions of 40%；Control group 4 is set, is existing commercially available CCA.
The poplar of felling is removed the peel to obtain the identical sample of specification, impregnate or brushes the above each group antiseptic wash, with modeling
Expect that film is stacked 20 days, then remove plastic foil, under conditions of 25 DEG C of temperature, humidity 90%, observes the anticorrosive mildewproof feelings of sample
Condition evaluates vermins-proof effect to damage by worms area behind start to damage by worms time and 5 months, obtains following result：
Table 1
Can be seen that method in the present invention by data in table 1 can effectively ensure that mildew effect and Anti-moth-eating effect, wherein real
Applying a 1-3,4 times for starting mildew greatly prolonged compared to the control group.
Claims (5)
1. a kind of processing method of outdoor preserving timber, which is characterized in that the use of preparation and preservative including preservative；
The preservative is made of raw material from the following weight：4-8 parts of wheat bran, 1-3 parts of microwax, 0.3-0.8 parts of aluminium isopropoxide,
24-28 parts of stinkgrass flower, 3-5 parts of liana seed；Preparation method includes the following steps：
（1）Liana seed is baked to 2-3 as a child to pulverize under conditions of temperature is 40-60 DEG C, crosses 40 meshes, wherein
The stinkgrass flower that water content is 1-3% is added, continues grinding 8-12 minutes, obtains mixed powder, mixed powder addition is equivalent to it
10-12 times of weight of temperature is 85-95 DEG C of hot water, is extracted 30-40 minutes, primary filtering, obtains first-time filtrate and filter after the completion
Slag, being added in filter residue and being equivalent to the temperature of 4-6 times of its weight is 70-80 DEG C of hot water, is extracted 30-40 minutes, secondary after the completion
Filtering obtains secondary filtrate, merges first-time filtrate and secondary filtrate obtains through disk centrifugal, ultrafiltration, rotary evaporation to paste
Middle material A；
（2）Wheat bran is stir-fried to 30% in hot pot and carbonized, grinding obtains the wheatfeed of 320-360 mesh after natural cooling, then exists
Microwax and aluminium isopropoxide is wherein added, after being heated to 75-85 DEG C, is stirred to react 10-20 minutes, arteries and veins is used in whipping process
Strong illumination processing is rushed, pulse strong-light exposure intensity is 4.4-4.6J/cm2, it is primary every irradiation in 1 minute in whipping process,
Each irradiation time is 3-4 seconds, and per second dodge is shone 3 times, after stirring, obtains middle material B；
（3）Middle material A and middle material B is stirred 10-20 minutes under conditions of temperature is 80-90 DEG C, it is natural after the completion
Cooling obtains preservative；
The application method of preservative is that it is 1-2% that preservative obtained by above-mentioned preparation, which is diluted with water to its mass concentration, after the completion
Obtain antiseptic wash, will need anti-corrosion process wood raw material is impregnated in antiseptic wash 2-4 minutes, use it is preceding need to
The wood raw material stacking in processing that the moisture content for wanting anti-corrosion to process is 2-4%, dry-bulb temperature is with the heating of 35-45 DEG C/h
Rate rises to 100 DEG C, in temperature-rise period from room temperature, guarantees that dry, wet-bulb depression is 15-25 DEG C, Air flow velocity 2-4m/s,
Continue to be kept for 40-60 minutes after the completion of heating.
2. a kind of processing method of outdoor preserving timber as described in claim 1, which is characterized in that the wheat bran；The crystallite
The density of wax is 0.86-0.88g/cm3, and fusing point is 70 DEG C；The content of aluminium element is 14.8% in the aluminium isopropoxide；Institute
Stating stinkgrass flower is the herb in addition to root, and drying means is dry in the circulating air that temperature is 60-70 DEG C；The liana
The preparation method of seed is to obtain after harvesting fresh liana beans drying, peeling, arrangement.
3. a kind of processing method of outdoor preserving timber as described in claim 1, which is characterized in that the wheat bran turns in hot pot
It fries to 30% charing, uses60Radiation treatment 6-8min in Co- gamma-ray irradiation instrument, the accumulated dose of irradiation are 8-12kGy, after the completion
Natural cooling.
4. a kind of processing method of outdoor preserving timber as described in claim 1, which is characterized in that the step（1）In it is primary
It is filtered into after cooling down and stands diacolation 20-40 minutes, secondary filter is to stand diacolation 3.5-5.5 hours after cooling down.
5. a kind of processing method of outdoor preserving timber as described in claim 1, which is characterized in that the preserving timber is selected from eucalyptus
Wood, poplar.
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| CN107349920A (en) * | 2017-08-17 | 2017-11-17 | 含山县金石建筑材料有限公司 | A kind of preparation method of modified lime stone flour |
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