CN107379178A - A kind of method for preventing pine strain cracking - Google Patents
A kind of method for preventing pine strain cracking Download PDFInfo
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- CN107379178A CN107379178A CN201710411900.9A CN201710411900A CN107379178A CN 107379178 A CN107379178 A CN 107379178A CN 201710411900 A CN201710411900 A CN 201710411900A CN 107379178 A CN107379178 A CN 107379178A
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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
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
- B27K5/0005—Cryogenic treatment
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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
- B27K3/0228—Spraying apparatus, e.g. tunnels
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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
-
- 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
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
-
- 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
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
- B27K5/04—Combined bleaching or impregnating and drying of wood
-
- 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
- B27K2240/15—Decontamination of previously treated wood
-
- 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)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
Abstract
The invention mainly relates to woodwork processing technique field, discloses a kind of method for preventing pine strain cracking, including：Arrangement, freezing, fermentation, primary drying, humidification, redrying；Method is simple, is easy to batch processing, any toxic reagent is added without in processing procedure, safe and healthy, pine water content after treatment is stable, and water absorbing capacity declines, strain cracking is fundamentally prevented, service life is extended 14.5%, hence it is evident that improves the use value of pine product；The length of the pine of felling on demand is blocked, retains masson pine bark, increases the protective effect of masson pine bark, suppresses the change of color and luster in pine processing procedure, is easy to the later stage to unify bleaching；Pine section is placed in process chamber, gradually cooling is freezed, and is reduced the moisture in pine at low ambient temperatures, is increased the space between pine cellulosic, improves tolerance degree of the pine to temperature and humidity, is mitigated influence of the environmental change to pine, is prevented pine strain cracking.
Description
Technical field
The invention mainly relates to woodwork processing technique field, more particularly to a kind of method for preventing pine strain cracking.
Background technology
Pine has that rosin taste, color are yellowish, furuncle scar is more, react fast to atmospheric temperature, easily swell, extremely difficult natural air drying etc.
Characteristic, therefore need to bleach unified tree color through artificial treatment, neutralize tree property, be allowed to be unlikely to deform cracking；But prevent pine from becoming at present
The method of shape cracking all use poisonous chemical reagent mostly, complex process, while delaying pine furniture to deform and ftractureing,
It can be also detrimental to health during the preparation and use of furniture, it is therefore desirable to which one kind is safe and healthy, simply efficiently prevents
The method of pine strain cracking.
The content of the invention
The defects of in order to make up prior art, it is an object of the invention to provide a kind of method for preventing pine strain cracking.
A kind of method for preventing pine strain cracking, comprises the following steps：
（1）Arrange：The length of the pine of felling on demand is blocked, retains masson pine bark, increases the protective effect of masson pine bark, is suppressed
The change of color and luster, is easy to the later stage to unify bleaching in pine processing procedure, obtains pine section；
（2）Freezing：Pine section is placed in process chamber, 11 ~ 13 DEG C is adjusted the temperature to and stands 6 ~ 8 hours, then cool the temperature to 2 ~ 4 DEG C
15 ~ 17 hours are stood, then cools the temperature to -7 ~ -5 DEG C, stands 26 ~ 28 hours, continues to cool the temperature to -32 ~ -30 DEG C, insulation
50 ~ 60 hours are stood, the moisture in pine is reduced at low ambient temperatures, increases the space between pine cellulosic, improves pine to temperature
The tolerance degree of degree and humidity, mitigate influence of the environmental change to pine, prevent pine strain cracking, pine must be freezed；
（3）Fermentation：Freezing pine is placed in fermentation vat, zymotic fluid is injected, submergence freezing pine, adds wine yeast, in 21 ~
23 DEG C ferment 7 ~ 8 days, add lipase, then are cooled to 15 ~ 17 DEG C of constant temperature and soak 3 ~ 4 days, remove masson pine bark, decompose in masson pine bark
Macromolecular substances composition, accelerate masson pine bark and come off, avoid special exfoliating process, reduce procedure, it is small caused by fermentation
Molecular substance composition penetrates into pine structure, promotes the fatty dissolution in pine to add lipase after fermentation to zymotic fluid and soaked
Bubble, decompose the fat constituent in pine, avoid the skimming processes that pine is special, simplify treatment process, weaken pine to temperature and
The sensitiveness of humidity, pine strain cracking is fundamentally prevented, must ferment pine；
（4）Primary drying：Fermentation pine is placed in 80 ~ 85 DEG C of baking oven, it is 37 ~ 39% to dry to water content, is cooled the temperature to
58 ~ 60 DEG C, it is 15 ~ 17% to be dried to water content, avoids high temperature from drying, increases the structural stability of pine, gradually reduce temperature,
The pliability of pine is kept, pine craze and transfiguration is avoided, obtains primary drying pine；
（5）Humidification：The chitosan solution that mass concentration is 0.7 ~ 0.9% is uniformly sprayed to primary drying pine, it is quiet in 15 ~ 17 DEG C
Put 3 ~ 4 days, sprinkling daily once, forms protective layer, antibacterial bacteriostatic, reduces the moisture in pine absorption environment, avoid mouldy worm
Moth, prevents strain cracking, must humidify pine；
（6）Redrying：Humidification pine is placed in freeze drier, it is 8 ~ 9% to be freeze-dried in -38 ~ -36 DEG C to water content,
The original color of pine is kept, increases the space between cells of pine, improves the non-deformability of pine, avoid ftractureing, extends and uses
Value, obtains crack resistence pine.
The step（2）Process chamber, first regulating environmental humidity is 71 ~ 73%, is kept for 30 ~ 35 hours, then by ambient humidity
Adjust to 64 ~ 66%.
The step（3）Zymotic fluid, be made up of the raw material of following parts by weight：White granulated sugar 42 ~ 44, urea 5 ~ 7, vitamin
C 0.06 ~ 0.08, all raw materials are mixed, add water stir to being completely dissolved, make white granulated sugar mass concentration be 10 ~ 12%, must send out
Zymotic fluid.
The step（3）Wine yeast, addition be 3 ~ 4%, after re-activation, viable count 109~1010CFU/
ml。
The step（3）Lipase, mass concentration after addition is 0.07 ~ 0.09%.
The step（5）Chitosan solution, by chitosan add volume fraction be 3 ~ 4% acetum in, stirring extremely
It is completely dissolved, obtains chitosan solution.
The method for preventing pine strain cracking, obtained crack resistence pine.
It is an advantage of the invention that：A kind of method for preventing pine strain cracking provided by the invention, method is simple, is easy to criticize
Amount is handled, and any toxic reagent is added without in processing procedure, safe and healthy, and pine water content after treatment is stable, water suction
Ability declines, and fundamentally prevents strain cracking, service life is extended 14.5%, hence it is evident that improves the use value of pine product；
The length of the pine of felling on demand is blocked, retains masson pine bark, increases the protective effect of masson pine bark, suppresses pine processing procedure
The change of middle color and luster, is easy to the later stage to unify bleaching；Pine section is placed in process chamber, gradually cooling is freezed, in low temperature
The moisture in pine is reduced under environment, increases the space between pine cellulosic, pine is improved to the tolerance degree of temperature and humidity, subtracts
Light influence of the environmental change to pine, prevents pine strain cracking；Freezing pine is placed in fermentation vat through wine yeast low temperature
Fermented when long, decompose the macromolecular substances composition in masson pine bark, accelerated masson pine bark and come off, avoid special exfoliating process, reduce
Procedure, small-molecule substance composition caused by fermentation penetrate into pine structure, promote the fatty dissolution in pine to be sent out to zymotic fluid
Lipase is added after ferment to be soaked, the fat constituent in pine is decomposed, avoids the skimming processes that pine is special, simplifies processing work
Sequence, weaken pine to the sensitiveness of temperature and humidity, fundamentally prevent pine strain cracking；Once done after pine fermentation
It is dry, avoid high temperature from drying, increase the structural stability of pine, gradually reduce temperature, keep the pliability of pine, avoid pine from opening
Fission shape；Repeatedly sprinkling chitosan solution, formation protective layer, antibacterial bacteriostatic, reduction pine are absorbed in environment after primary drying
Moisture, avoid it is mouldy damage by worms, prevent strain cracking；It is freeze-dried during redrying, keeps the original color of pine, is increased
The space between cells of pine, the non-deformability of pine is improved, avoid ftractureing, extend use value.
Embodiment
Illustrate the present invention with specific embodiment below.
Embodiment 1
A kind of method for preventing pine strain cracking, comprises the following steps：
（1）Arrange：The length of the pine of felling on demand is blocked, retains masson pine bark, increases the protective effect of masson pine bark, is suppressed
The change of color and luster, is easy to the later stage to unify bleaching in pine processing procedure, obtains pine section；
（2）Freezing：Pine section is placed in process chamber, 11 DEG C is adjusted the temperature to and stands 6 hours, then cools the temperature to 2 DEG C and stands 15
Hour, then -7 DEG C are cooled the temperature to, 26 hours are stood, continues to cool the temperature to -32 DEG C, insulation stands 50 hours, in low temperature ring
The moisture in pine is reduced under border, increases the space between pine cellulosic, improves tolerance degree of the pine to temperature and humidity, is mitigated
Influence of the environmental change to pine, prevents pine strain cracking, must freeze pine；
（3）Fermentation：Freezing pine is placed in fermentation vat, zymotic fluid is injected, submergence freezing pine, wine yeast is added, in 21
DEG C fermentation 7 days, adds lipase, then is cooled to 15 DEG C of constant temperature and soaks 3 days, removes masson pine bark, decomposes the macromolecular in masson pine bark
Material composition, accelerate masson pine bark and come off, avoid special exfoliating process, reduce procedure, small-molecule substance caused by fermentation
Composition penetrates into pine structure, promotes the fatty dissolution in pine to add lipase after fermentation to zymotic fluid and soaked, decompose pine
Fat constituent in wood, the skimming processes that pine is special are avoided, simplify treatment process, weaken sensitivity of the pine to temperature and humidity
Property, pine strain cracking is fundamentally prevented, must ferment pine；
（4）Primary drying：Fermentation pine is placed in 80 DEG C of baking oven, it is 37 ~ 39% to dry to water content, cools the temperature to 58
DEG C, it is 15 ~ 17% to be dried to water content, avoids high temperature from drying, increases the structural stability of pine, gradually reduces temperature, keeps pine
The pliability of wood, avoids pine craze and transfiguration, obtains primary drying pine；
（5）Humidification：The chitosan solution that mass concentration is 0.7% is uniformly sprayed to primary drying pine, stands 3 days in 15 DEG C, often
It sprinkling once, formed protective layer, antibacterial bacteriostatic, reduce pine absorb environment in moisture, avoid it is mouldy damage by worms, prevent from deforming
Cracking, must humidify pine；
（6）Redrying：Humidification pine is placed in freeze drier, is 8 ~ 9% in -38 DEG C of freeze-dryings to water content, keeps
The original color of pine, increase the space between cells of pine, improve the non-deformability of pine, avoid ftractureing, extend use value,
Obtain crack resistence pine.
The step（2）Process chamber, first regulating environmental humidity be 71%, keep 30 hours, then by ambient humidity adjust to
64%。
The step（3）Zymotic fluid, be made up of the raw material of following parts by weight：White granulated sugar 42, urea 5 ~ 7, vitamin C
0.06, all raw materials are mixed, add water stir to being completely dissolved, make white granulated sugar mass concentration be 10%, obtain zymotic fluid.
The step（3）Wine yeast, addition 3%, after re-activation, viable count 109~1010CFU/
ml。
The step（3）Lipase, mass concentration after addition is 0.07%.
The step（5）Chitosan solution, by chitosan add volume fraction be 3% acetum in, stir to complete
Fully dissolved, obtain chitosan solution.
The method for preventing pine strain cracking, obtained crack resistence pine.
Embodiment 2
A kind of method for preventing pine strain cracking, comprises the following steps：
（1）Arrange：The length of the pine of felling on demand is blocked, retains masson pine bark, increases the protective effect of masson pine bark, is suppressed
The change of color and luster, is easy to the later stage to unify bleaching in pine processing procedure, obtains pine section；
（2）Freezing：Pine section is placed in process chamber, 12 DEG C is adjusted the temperature to and stands 7 hours, then cools the temperature to 3 DEG C and stands 16
Hour, then -6 DEG C are cooled the temperature to, 27 hours are stood, continues to cool the temperature to -31 DEG C, insulation stands 55 hours, in low temperature ring
The moisture in pine is reduced under border, increases the space between pine cellulosic, improves tolerance degree of the pine to temperature and humidity, is mitigated
Influence of the environmental change to pine, prevents pine strain cracking, must freeze pine；
（3）Fermentation：Freezing pine is placed in fermentation vat, zymotic fluid is injected, submergence freezing pine, wine yeast is added, in 22
DEG C fermentation 7 days, adds lipase, then is cooled to 16 DEG C of constant temperature and soaks 3 days, removes masson pine bark, decomposes the macromolecular in masson pine bark
Material composition, accelerate masson pine bark and come off, avoid special exfoliating process, reduce procedure, small-molecule substance caused by fermentation
Composition penetrates into pine structure, promotes the fatty dissolution in pine to add lipase after fermentation to zymotic fluid and soaked, decompose pine
Fat constituent in wood, the skimming processes that pine is special are avoided, simplify treatment process, weaken sensitivity of the pine to temperature and humidity
Property, pine strain cracking is fundamentally prevented, must ferment pine；
（4）Primary drying：Fermentation pine is placed in 83 DEG C of baking oven, it is 38% to dry to water content, cools the temperature to 59 DEG C,
It is 15 ~ 17% to be dried to water content, avoids high temperature from drying, increases the structural stability of pine, gradually reduces temperature, keeps pine
Pliability, avoid pine craze and transfiguration, obtain primary drying pine；
（5）Humidification：The chitosan solution that mass concentration is 0.8% is uniformly sprayed to primary drying pine, stands 3 days in 16 DEG C, often
It sprinkling once, formed protective layer, antibacterial bacteriostatic, reduce pine absorb environment in moisture, avoid it is mouldy damage by worms, prevent from deforming
Cracking, must humidify pine；
（6）Redrying：Humidification pine is placed in freeze drier, is 8 ~ 9% in -37 DEG C of freeze-dryings to water content, keeps
The original color of pine, increase the space between cells of pine, improve the non-deformability of pine, avoid ftractureing, extend use value,
Obtain crack resistence pine.
The step（2）Process chamber, first regulating environmental humidity be 72%, keep 33 hours, then by ambient humidity adjust to
65%。
The step（3）Zymotic fluid, be made up of the raw material of following parts by weight：White granulated sugar 43, urea 6, vitamin C
0.07, all raw materials are mixed, add water stir to being completely dissolved, make white granulated sugar mass concentration be 11%, obtain zymotic fluid.
The step（3）Wine yeast, addition 3.5%, after re-activation, viable count 109~1010CFU/
ml。
The step（3）Lipase, mass concentration after addition is 0.08%.
The step（5）Chitosan solution, by chitosan add volume fraction be 3% acetum in, stir to complete
Fully dissolved, obtain chitosan solution.
The method for preventing pine strain cracking, obtained crack resistence pine.
Embodiment 3
A kind of method for preventing pine strain cracking, comprises the following steps：
（1）Arrange：The length of the pine of felling on demand is blocked, retains masson pine bark, increases the protective effect of masson pine bark, is suppressed
The change of color and luster, is easy to the later stage to unify bleaching in pine processing procedure, obtains pine section；
（2）Freezing：Pine section is placed in process chamber, 13 DEG C is adjusted the temperature to and stands 8 hours, then cools the temperature to 4 DEG C and stands 17
Hour, then -5 DEG C are cooled the temperature to, 28 hours are stood, continues to cool the temperature to -30 DEG C, insulation stands 60 hours, in low temperature ring
The moisture in pine is reduced under border, increases the space between pine cellulosic, improves tolerance degree of the pine to temperature and humidity, is mitigated
Influence of the environmental change to pine, prevents pine strain cracking, must freeze pine；
（3）Fermentation：Freezing pine is placed in fermentation vat, zymotic fluid is injected, submergence freezing pine, wine yeast is added, in 23
DEG C fermentation 8 days, adds lipase, then is cooled to 17 DEG C of constant temperature and soaks 4 days, removes masson pine bark, decomposes the macromolecular in masson pine bark
Material composition, accelerate masson pine bark and come off, avoid special exfoliating process, reduce procedure, small-molecule substance caused by fermentation
Composition penetrates into pine structure, promotes the fatty dissolution in pine to add lipase after fermentation to zymotic fluid and soaked, decompose pine
Fat constituent in wood, the skimming processes that pine is special are avoided, simplify treatment process, weaken sensitivity of the pine to temperature and humidity
Property, pine strain cracking is fundamentally prevented, must ferment pine；
（4）Primary drying：Fermentation pine is placed in 85 DEG C of baking oven, it is 37 ~ 39% to dry to water content, cools the temperature to 60
DEG C, it is 15 ~ 17% to be dried to water content, avoids high temperature from drying, increases the structural stability of pine, gradually reduces temperature, keeps pine
The pliability of wood, avoids pine craze and transfiguration, obtains primary drying pine；
（5）Humidification：The chitosan solution that mass concentration is 0.9% is uniformly sprayed to primary drying pine, stands 4 days in 17 DEG C, often
It sprinkling once, formed protective layer, antibacterial bacteriostatic, reduce pine absorb environment in moisture, avoid it is mouldy damage by worms, prevent from deforming
Cracking, must humidify pine；
（6）Redrying：Humidification pine is placed in freeze drier, is 8 ~ 9% in -36 DEG C of freeze-dryings to water content, keeps
The original color of pine, increase the space between cells of pine, improve the non-deformability of pine, avoid ftractureing, extend use value,
Obtain crack resistence pine.
The step（2）Process chamber, first regulating environmental humidity be 73%, keep 35 hours, then by ambient humidity adjust to
66%。
The step（3）Zymotic fluid, be made up of the raw material of following parts by weight：White granulated sugar 44, urea 7, vitamin C
0.08, all raw materials are mixed, add water stir to being completely dissolved, make white granulated sugar mass concentration be 12%, obtain zymotic fluid.
The step（3）Wine yeast, addition 4%, after re-activation, viable count 109~1010CFU/
ml。
The step（3）Lipase, mass concentration after addition is 0.09%.
The step（5）Chitosan solution, by chitosan add volume fraction be 4% acetum in, stir to complete
Fully dissolved, obtain chitosan solution.
The method for preventing pine strain cracking, obtained crack resistence pine.
Comparative example 1
Removal step（1）In reservation masson pine bark, remaining method, with embodiment 1.
Comparative example 2
Removal step（2）, remaining method, with embodiment 1.
Comparative example 3
Removal step（3）, remaining method, with embodiment 1.
Comparative example 4
Step（4）In directly in 110 DEG C dry to water content be 10%, remaining method, with embodiment 1.
Comparative example 5
Removal step（5）, remaining method, with embodiment 1.
Comparative example 6
Step（6）For drying, remaining method, with embodiment 1.
Comparative example 7
Existing pine prevents the processing method of strain cracking.
The effect of embodiment and comparative example pine processing method：
（1）Anti-mould and anti-moth detects：Pine section is statically placed in the environment that temperature is 35 DEG C, humidity is 85%, stands 100 days；
（2）Temperature deformation cracking detection：It is 72% to keep ambient humidity, and pine section is placed in into 40 DEG C, stands 12 hours, then immediately
- 20 DEG C are cooled to, stands 12 hours, is handled 200 days repeatedly；
（3）Humidity strain cracking detects：Keeping temperature is 25 DEG C, pine section is placed in the environment that ambient humidity is 100%, quiet
Put 12 hours, then it is 50% to reduce humidity immediately, stands 12 hours, handles 100 days repeatedly；
A diameter of 12 ~ 14cm pines are felled, are blocked, are 50cm per segment length, 110 sections is randomly choosed, is randomly divided into 11 groups,
Every group 10 sections, respectively embodiment group, comparative example group and blank group, each group is handled according to the method for the group respectively, blank
Group does not carry out any processing, other method all sames, is detected after being disposed, and each group takes 2 sections of progress anti-mould and anti-moth detections,
Each group takes 4 sections to carry out temperature deformation cracking detection, the remaining 4 sections of progress humidity strain cracking detection of each group, observes pine
The effect of mouldy and deformation time, embodiment and comparative example pine processing method is shown in Table 1.
Table 1：The effect of embodiment and comparative example pine processing method
Note："-" represents to be not detected by.
Show from the result of table 1, the method that embodiment prevents pine strain cracking, mouldy damage by worms occurs in the pine after processing
Substantially it is later than comparative example with the time of deformation, illustrates that the method provided by the invention for preventing pine strain cracking has place well
Manage effect.
Claims (7)
- A kind of 1. method for preventing pine strain cracking, it is characterised in that comprise the following steps：（1）Arrange：The length of the pine of felling on demand is blocked, retains masson pine bark, obtains pine section；（2）Freezing：Pine section is placed in process chamber, 11 ~ 13 DEG C is adjusted the temperature to and stands 6 ~ 8 hours, then cool the temperature to 2 ~ 4 DEG C 15 ~ 17 hours are stood, then cools the temperature to -7 ~ -5 DEG C, stands 26 ~ 28 hours, continues to cool the temperature to -32 ~ -30 DEG C, insulation 50 ~ 60 hours are stood, pine must be freezed；（3）Fermentation：Freezing pine is placed in fermentation vat, zymotic fluid is injected, submergence freezing pine, adds wine yeast, in 21 ~ 23 DEG C ferment 7 ~ 8 days, add lipase, then are cooled to 15 ~ 17 DEG C of constant temperature and soak 3 ~ 4 days, remove masson pine bark, must ferment pine；（4）Primary drying：Fermentation pine is placed in 80 ~ 85 DEG C of baking oven, it is 37 ~ 39% to dry to water content, is cooled the temperature to 58 ~ 60 DEG C, it is 15 ~ 17% to be dried to water content, obtains primary drying pine；（5）Humidification：The chitosan solution that mass concentration is 0.7 ~ 0.9% is uniformly sprayed to primary drying pine, it is quiet in 15 ~ 17 DEG C Put 3 ~ 4 days, sprinkling daily once, must humidify pine；（6）Redrying：Humidification pine is placed in freeze drier, it is 8 ~ 9% to be freeze-dried in -38 ~ -36 DEG C to water content, Obtain crack resistence pine.
- 2. the method for pine strain cracking is prevented according to claim 1, it is characterised in that the step（2）Process chamber, First regulating environmental humidity is 71 ~ 73%, is kept for 30 ~ 35 hours, then ambient humidity is adjusted to 64 ~ 66%.
- 3. the method for pine strain cracking is prevented according to claim 1, it is characterised in that the step（3）Zymotic fluid, It is made up of the raw material of following parts by weight：White granulated sugar 42 ~ 44, urea 5 ~ 7, vitamin C 0.06 ~ 0.08, all raw materials are mixed, Add water stir to being completely dissolved, make white granulated sugar mass concentration be 10 ~ 12%, obtain zymotic fluid.
- 4. the method for pine strain cracking is prevented according to claim 1, it is characterised in that the step（3）Grape wine Yeast, addition is 3 ~ 4%, after re-activation, viable count 109~1010CFU/ml。
- 5. the method for pine strain cracking is prevented according to claim 1, it is characterised in that the step（3）Lipase, Mass concentration after addition is 0.07 ~ 0.09%.
- 6. the method for pine strain cracking is prevented according to claim 1, it is characterised in that the step（5）Chitosan Solution, chitosan is added in the acetum that volume fraction is 3 ~ 4%, stir to being completely dissolved, obtain chitosan solution.
- 7. the method for pine strain cracking is prevented according to any one of claim 1 ~ 6, obtained crack resistence pine.
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| CN201710411900.9A CN107379178A (en) | 2017-06-05 | 2017-06-05 | A kind of method for preventing pine strain cracking |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108356939A (en) * | 2018-03-01 | 2018-08-03 | 安徽农业大学 | A kind of preparation method of lighting bamboo wood |
| CN108724378A (en) * | 2018-05-15 | 2018-11-02 | 阜南县金威工艺品有限公司 | A kind of processing method promoting the anti-aging characteristic of timber corrosion resistant |
| CN110171049A (en) * | 2019-05-09 | 2019-08-27 | 浙江品阁木业有限公司 | A kind of preparation method of low-loss Environmental protection floor |
| CN110370406A (en) * | 2019-07-15 | 2019-10-25 | 欧派家居集团股份有限公司 | Effective plate anti-deformation reliability checking method and the method for accelerating plate deformation |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108356939A (en) * | 2018-03-01 | 2018-08-03 | 安徽农业大学 | A kind of preparation method of lighting bamboo wood |
| CN108724378A (en) * | 2018-05-15 | 2018-11-02 | 阜南县金威工艺品有限公司 | A kind of processing method promoting the anti-aging characteristic of timber corrosion resistant |
| CN110171049A (en) * | 2019-05-09 | 2019-08-27 | 浙江品阁木业有限公司 | A kind of preparation method of low-loss Environmental protection floor |
| CN110370406A (en) * | 2019-07-15 | 2019-10-25 | 欧派家居集团股份有限公司 | Effective plate anti-deformation reliability checking method and the method for accelerating plate deformation |
| CN110405889A (en) * | 2019-07-15 | 2019-11-05 | 欧派家居集团股份有限公司 | A kind of plate anti-deformation reliability checking method |
| CN110405889B (en) * | 2019-07-15 | 2022-02-08 | 欧派家居集团股份有限公司 | Method for detecting deformation prevention reliability of plate |
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