CN104015238B - A kind of mildew-proof treatment method again contaminating mould bamboo chip - Google Patents
A kind of mildew-proof treatment method again contaminating mould bamboo chip Download PDFInfo
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- CN104015238B CN104015238B CN201410282143.6A CN201410282143A CN104015238B CN 104015238 B CN104015238 B CN 104015238B CN 201410282143 A CN201410282143 A CN 201410282143A CN 104015238 B CN104015238 B CN 104015238B
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Abstract
A kind of mildew-proof treatment method again contaminating mould bamboo chip.Comprise the sorting, sterilization, bamboo wood nutriment consumes the cultivation of bacterium, bamboo wood nutriment consumes bacterium inoculation, the bamboo wood nutriment that contaminate mould bamboo chip consume the sterilization again of bacterium and contaminate the multinomial technology composition such as bleaching technology of mould bamboo wood.According to ASTM:D4445-03(bactericide, unseasoned timber to be gone mouldy and look becomes the standard detecting method (laboratory method) of impact) the bamboo wood fungus resistance verification experimental verification that carries out: the mould bamboo wood of the dye after the poison that goes out consumes after bacterium process through bamboo wood nutriment, again through bamboo wood bleaching process, the natural true qualities of bamboo wood beauty can be recovered.Its Antimould power significantly improves, without fungus growth in the test period of 30 days.
Description
Technical field
The present invention is specifically related to a kind of mildew-proof treatment method again contaminating mould bamboo chip.
Background technology
Bamboo wood acellular wall material (starch, reduced sugar etc.) content is higher, the nutriment providing sufficient can to the mould of numerous species, makes bamboo wood and goods thereof in storing, processing and use procedure, very easily goes mouldy, affect its quality and use value.The mao bamboon main in south adds building site, annual May ~ high, the feature that air humidity is large of ubiquity temperature in September, be particularly suitable for the growth of various mould.Produce house in the production of bamboo product, deposit the improper moldy metamorphism phenomenon caused because of bamboo chip and can be found everywhere, cause very large economic loss to bamboo product enterprise.The application's patent, for this ubiquitous phenomenon, is selected just to have started the mouldy bamboo wood of microbiological contamination, sends into hothouse spray and steams process, kill whole mould; Recycle my achievement in research: within the regular hour, specific mould can consume more starch and reduced sugar than general mould, and can not cause the principle that the physical and mechanical property of bamboo wood own obviously declines.Preparation Aspergillus flavus liquid, is evenly sprayed at bamboo material surface, after 20 days, will contaminate mould bamboo wood and send into hothouse spray steaming process, and kill whole mould.Again bamboo wood is sent into Bellmer to soak, recover the natural true qualities of bamboo wood beauty.This technology comprises the sorting, the inoculation of the cultivation of sterilization, effectively bacterium, effectively bacterium, the cultivation, again sterilization that contaminate mould bamboo chip and contaminates the multinomial technology composition such as bleaching technology of mould bamboo wood.According to ASTM:D4445-03(bactericide, unseasoned timber is gone mouldy and bamboo wood fungus resistance verification experimental verification that standard detecting method (laboratory method) that look becomes impact carries out: the mould bamboo wood of the dye after the poison that goes out bleaching process again after the process of pre-dyed Aspergillus flavus, its Antimould power significantly improves, without fungus growth in the test period of 30 days.
Summary of the invention
The object of the present invention is to provide a kind of mildew-proof treatment method again contaminating mould bamboo chip.The method adds building site summer because temperature is high, air humidity large for the mao bamboon that south is main, is particularly suitable for various fungus growth, causes the problem of very large economic loss to bamboo product enterprise.Utilize within the regular hour, specific mould can consume more starch and reduced sugar than general mould, and can not cause the principle that the physical and mechanical property of bamboo wood own obviously declines.Select just to have started the mouldy bamboo wood of microbiological contamination, send into hothouse spray and steam process, kill whole mould; Preparation Aspergillus flavus liquid, is evenly sprayed at bamboo material surface, after 20 days, will contaminate mould bamboo wood and send into hothouse spray steaming process, and kill whole mould.Again bamboo wood is sent into Bellmer to soak, recover the natural true qualities of bamboo wood beauty.
The invention provides a kind of mildew-proof treatment method again contaminating mould bamboo chip, the method comprises the steps:
carrying out necessary classification to collecting from bamboo processing factory the mould bamboo chip of whole dyes come, removing the mould bamboo chip of serious rotten rotten dye;
mould for the dye sorted bamboo chip is sent in steam carbonization tank and carry out high temperature sterilization, carburizing temperature 110 ~ 150 DEG C, carbonization pressure 0.1 ~ 0.5MPa, carbonization time 20 minutes ~ 1 hour;
the mould bamboo chip of dye completing high temperature sterilization technique is sent into dry kiln dry, baking temperature 70 ~ 110 DEG C, 12 ~ 48 hours drying times, after dry, the moisture control of bamboo chip is 10 ~ 20%, for subsequent use;
get 24 g potato dextrose culture-mediums and 15 ~ 20 grams of agar load in 2000 milliliters of vials, add 1000 ml distilled waters, after stirring, put into steam high-temperature sterilization box and carry out sterilization treatment; Take out after 1 ~ 2 hour, pour in blank, cool after 5 ~ 15 minutes, be after solid shape until nutrient solution, cover cover plate and put into incubator, for subsequent use;
check the situation of solid medium in incubator blank every day, as found, the culture medium in blank has miscellaneous bacteria to infect, and picks immediately and abandons;
inoculation Aspergillus flavus (
aspergillusflavus) bacterial classification, utilization connects acicula and connects bacterium to the culture medium in blank respectively, and complete after connecing bacterium work and blank is put into incubator, every day takes out the growing state observing Aspergillus flavus, and the blank finding that there is miscellaneous bacteria infection must pick and abandon;
after the mould bacterial plaque area of Aspergillus flavus accounts for 60 ~ 80% of whole blank culture medium area, take out Aspergillus flavus blank, pour stainless steel pulverizer into pulverize, be Aspergillus flavus in mass ratio: the ratio of distilled water=1:100 adds distilled water, modulation Aspergillus flavus liquid, mix well in the reagent bottle of the manual pesticide sprayer of rear loading, for subsequent use;
fitly be placed in metal frame by the bamboo chip of drying process in step 3, metal frame extreme lower position, apart from the height 10-15cm on ground, is bamboo chip: the ratio of Aspergillus flavus liquid=1000:1 is evenly sprayed at the surface of bamboo chip with manual pesticide sprayer in mass ratio; With large stretch of Polypropylence Sheet, whole bamboo chip heap is wrapped up immediately after completing sprinkling work, and by clamp;
observe weekly the situation of growing of Aspergillus flavus in 2 whole bamboo chip heaps, as found moisture overdrying in bamboo chip heap, open the tap water spray head that bamboo chip heap is inner, water spray in bamboo chip heap, as excessively wet in found the moisture in bamboo chip heap, open the large stretch of Polypropylence Sheet being wrapped in bamboo chip out-pile, carry out suitable ventilation;
through 20 days, open large stretch of Polypropylence Sheet of bamboo chip, after thoroughly ventilating 1 ~ 2 day, send into high temperature sterilization in carbonization tank, carburizing temperature 120 DEG C, carbonization pressure 0.2 ~ 0.4MPa, carbonization time 1 ~ 2 hour;
after the carbonization high temperature sterilization of bamboo chip completing steps 10, send in the Eusol of 1 ~ 10% concentration and flood 1 ~ 3 hour, take out for subsequent use;
in cooker, prepare the acetum of 1 ~ 10% concentration, add the bamboo chip of step 11 after stirring, start boiling after closing the tank mouth of cooker, boiling took out bamboo chip after 10 ~ 50 minutes, with clear water washing, completed the bleaching process of bamboo chip;
to bleach bamboo chip and send into lumber kiln drying, baking temperature 80 ~ 100 DEG C, 24 ~ 48 hours drying times, after dry, the moisture control of bamboo chip is 6 ~ 10%, can be used as the bamboo materials'use of conventional bamboo product.
Described step 1 is reject the bamboo chip that seriously goes mouldy without any actual value for the object that the mould bamboo chip of dye carries out classifying.
In order to the mould bamboo chip high temperature sterilization of dye is carried out fully and completely in described step 2, contaminate mould bamboo chip and must not adopt binding wrapping, must by the mould bamboo chip stay aligned of dye, bamboo chip adopts metal side tube to use as filler strip between layers, never allows bamboo chip to occur bridging phenomenon.
In order to ensure that dried bamboo chip moisture control is 10 ~ 20% in described step 3, the mode that spray can be adopted if desired to steam process increases the final moisture content of bamboo chip.
The nutrient solution prepared in described step 4 is in the sterilization process of high-temp steam sterilizing equipment, and the lid of 2000 milliliters of vials can not cover in sterilization process, prevent vial in heating process because of overheated splash to rise break.
Check the microbiological contamination situation of solid medium in incubator blank in described step 5 every day, total inspection number of days is 3 days.
In described step 6 inoculation Aspergillus flavus (
aspergillusflavus) bacterial classification provided by the raw ring of the Chinese Academy of Forestry.
The number of plies of placing the metal frame of bamboo cane in described step 8 forms by 3 ~ 10 layers, and every layer adopts 3 ~ 5mm corrosion resistant plate to be welded and fixed, and gather diameter 3cm circular hole on corrosion resistant plate surface, prevents water droplet from condensing at bamboo chip and corrosion resistant plate contact site.
The operating personnel spraying Aspergillus flavus liquid in described step 8 must wear the biochemistry clothes of specialty, cross Cheng Qian, must carry out whole body sterilization, prevent other miscellaneous bacteria from bringing bamboo chip into what carry out spraying inoculation Aspergillus flavus.
By in the Eusol of bamboo chip dipping 1 ~ 10% concentration in described step 11, must bamboo chip be immersed in Eusol weighting material completely.
The invention has the advantages that: a kind of mildew-proof treatment method again contaminating mould bamboo chip is provided.First the method sorts the mould bamboo chip of dye of bamboo processing enterprise, and reject those bamboo chips that seriously goes mouldy without any actual value, by going mouldy, not serious bamboo chip carries out high-temperature sterilization; Utilize within the regular hour, Aspergillus flavus can consume the principle of more starch and reduced sugar than general mould, be seeded in by Aspergillus flavus on bamboo chip, impels the starch of bamboo chip inside and content of reducing sugar to decline fast, reaches desirable anti-mold effect.Inoculation Aspergillus flavus, after 20 days, adopts the mode of bleaching to remove the mould bacterial plaque of bamboo material surface dark color, recovers the color and luster of bamboo material surface beauty.
Detailed description of the invention
embodiment 1
Concrete steps are:
carrying out necessary classification to collecting from bamboo processing factory the mould bamboo chip of whole dyes come, removing the mould bamboo chip of serious rotten rotten dye;
mould for the dye sorted bamboo chip is sent in steam carbonization tank and carry out high temperature sterilization, carburizing temperature 150 DEG C, carbonization pressure 0.4MPa, carbonization time 30min;
the mould bamboo chip of dye completing high temperature sterilization technique is sent into lumber kiln dry, baking temperature 100 DEG C, 36 hours drying times, after dry, the moisture control of bamboo chip is 15%, for subsequent use;
get 24 g potato dextrose culture-mediums and 20 grams of agar load in 2000 milliliters of vials, add 1000 ml distilled waters, after stirring, put into Harvey steam high-temperature sterilization box and carry out sterilization treatment; Take out after 2 hours, pour in blank, cool after 10 minutes, be after solid shape until nutrient solution, cover cover plate and put into incubator, for subsequent use;
check the situation of solid medium in incubator blank every day, as found, the culture medium in blank has miscellaneous bacteria to infect, and picks immediately and abandons;
inoculation Aspergillus flavus (
aspergillusflavus) bacterial classification, utilization connects acicula and connects bacterium to the culture medium in blank respectively, and complete after connecing bacterium work and blank is put into incubator, every day takes out the growing state observing Aspergillus flavus, and the blank finding that there is miscellaneous bacteria infection must pick and abandon;
until the mould bacterial plaque area of Aspergillus flavus develop into account for whole blank culture medium area 60 ~ 80% after, take out Aspergillus flavus blank, pour stainless steel pulverizer into pulverize, be Aspergillus flavus in mass ratio: the ratio of distilled water=1:100 adds distilled water, modulation Aspergillus flavus liquid, mix well in the reagent bottle of the manual pesticide sprayer of rear loading, for subsequent use;
fitly be placed in metal frame by the bamboo chip of drying process in step 3, metal frame extreme lower position is greater than 10cm apart from the height on ground, is bamboo chip in mass ratio: the ratio of Aspergillus flavus liquid=1000:1 is evenly sprayed at the surface of bamboo chip with manual pesticide sprayer; With large stretch of Polypropylence Sheet, whole bamboo chip heap is wrapped up immediately after completing sprinkling work, and by clamp;
observe weekly the situation of growing of Aspergillus flavus in 2 whole bamboo chip heaps, as found moisture overdrying in bamboo chip heap, open the tap water spray head that bamboo chip heap is inner, water spray in bamboo chip heap, as excessively wet in found the moisture in bamboo chip heap, open the large stretch of Polypropylence Sheet being wrapped in bamboo chip out-pile, carry out suitable ventilation;
through 20 days, open large stretch of Polypropylence Sheet of bamboo chip, after thoroughly ventilating 2 days, send into high temperature sterilization in carbonization tank, carburizing temperature 120 DEG C, carbonization pressure 0.4MPa, carbonization time 2 hours;
after the carbonization high temperature sterilization of bamboo chip completing steps 10, send in the Eusol of 5% concentration and flood 2 hours, take out for subsequent use;
in cooker, prepare the acetum of 5% concentration, add the bamboo chip of step 11 after stirring, start boiling after closing the tank mouth of cooker, boiling took out bamboo chip after 30 minutes, with clear water washing, completed the bleaching process of bamboo chip;
to bleach bamboo chip and send into lumber kiln drying, baking temperature 100 DEG C, 36 hours drying times, after dry, the moisture control of bamboo chip is 6 ~ 10%, can be used as the bamboo materials'use of conventional bamboo product.
Preferably, described step 1 is reject the bamboo chip that seriously goes mouldy without any actual value for the object that the mould bamboo chip of dye carries out classifying.
Preferably, in order to the mould bamboo chip high temperature sterilization of dye is carried out fully and completely in described step 2, contaminate mould bamboo chip and must not adopt binding wrapping, must by the mould bamboo chip stay aligned of dye, bamboo chip adopts metal side tube to use as filler strip between layers, never allows bamboo chip to occur bridging phenomenon.
Preferably, in order to ensure that dried bamboo chip moisture control is 15% in described step 3, the mode that spray can be adopted if desired to steam process increases the final moisture content of bamboo chip.
Preferably, the nutrient solution prepared in described step 4 is in the sterilization process of Harvey (high-temp steam sterilizing equipment) equipment, the lid of 2000 milliliters of vials can not cover in sterilization process, prevent vial in heating process because of overheated splash to rise break.
Preferably, in described step 5, check the microbiological contamination situation of solid medium in incubator blank every day, check that number of days is 3 days.
Preferably, in described step 6 inoculation Aspergillus flavus (
aspergillusflavus) bacterial classification provided by the raw ring of the Chinese Academy of Forestry.
Preferably, the number of plies of placing the metal frame of bamboo cane in described step 8 forms by 3 ~ 10 layers, and every layer adopts 3 ~ 5mm corrosion resistant plate to be welded and fixed, and gather diameter 3cm circular hole on corrosion resistant plate surface, prevents water droplet from condensing at bamboo chip and corrosion resistant plate contact site.
Preferably, the operating personnel spraying Aspergillus flavus liquid in described step 8 must wear the biochemistry clothes of specialty, cross Cheng Qian, must carry out whole body sterilization, prevent from bringing other miscellaneous bacteria into bamboo chip what carry out spraying inoculation Aspergillus flavus.
Preferably, in described step 11, bamboo chip is flooded in the Eusol of 5% concentration, must bamboo chip is immersed in Eusol weighting material completely.
The foregoing is only preferred embodiment of the present invention, all equalizations done according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.
Claims (9)
1. contaminate a mildew-proof treatment method again for mould bamboo chip, it is characterized in that, comprise the steps:
carrying out necessary classification to collecting from bamboo processing factory the mould bamboo chip of whole dyes come, removing the mould bamboo chip of serious rotten rotten dye;
mould for the dye sorted bamboo chip is sent in steam carbonization tank and carry out high temperature sterilization, carburizing temperature 110 ~ 150 DEG C, carbonization pressure 0.1 ~ 0.5MPa, carbonization time 20 minutes ~ 1 hour;
the mould bamboo chip of dye completing high temperature sterilization technique is sent into dry kiln dry, baking temperature 70 ~ 110 DEG C, 12 ~ 48 hours drying times, after dry, the moisture control of bamboo chip is 10 ~ 20%, for subsequent use;
get 24 g potato dextrose culture-mediums and 15 ~ 20 grams of agar load in 2000 milliliters of vials, add 1000 ml distilled waters, after stirring, put into steam high-temperature sterilization box and carry out sterilization treatment; Take out after 1 ~ 2 hour, pour in blank, cool 5 ~ 15 minutes, be after solid shape until nutrient solution, cover cover plate and put into incubator, for subsequent use;
check the situation of solid medium in incubator blank every day, as found, the culture medium in blank has miscellaneous bacteria to infect, and picks immediately and abandons;
inoculation Aspergillus flavus bacterial classification, utilization connects acicula and connects bacterium to the culture medium in blank respectively, and complete after connecing bacterium work and blank is put into incubator, every day takes out the growing state observing Aspergillus flavus, and the blank finding that there is miscellaneous bacteria infection must pick and abandon;
after the mould bacterial plaque area of Aspergillus flavus accounts for 60 ~ 80% of whole blank culture medium area, take out Aspergillus flavus blank, pour stainless steel pulverizer into pulverize, be Aspergillus flavus in mass ratio: the ratio of distilled water=1:100 adds distilled water, modulation Aspergillus flavus liquid, mix well in the reagent bottle of the manual pesticide sprayer of rear loading, for subsequent use;
fitly be placed in metal frame by the bamboo chip of drying process in step 3, the height on metal frame extreme lower position distance ground, at 10-15cm, is bamboo chip: the ratio of Aspergillus flavus liquid=1000:1 is evenly sprayed at the surface of bamboo chip with manual pesticide sprayer in mass ratio; With large stretch of Polypropylence Sheet, whole bamboo chip heap is wrapped up immediately after completing sprinkling work, and by clamp;
observe weekly the situation of growing of Aspergillus flavus in 2 whole bamboo chip heaps, as moisture overdrying in bamboo chip heap, open the tap water spray head that bamboo chip heap is inner, water spray in bamboo chip heap; As excessively wet in the moisture in bamboo chip heap, open the large stretch of Polypropylence Sheet being wrapped in bamboo chip out-pile, ventilate;
through 20 days, open large stretch of Polypropylence Sheet of bamboo chip, after thoroughly ventilating 1 ~ 2 day, send into high temperature sterilization in carbonization tank, carburizing temperature 120 DEG C, carbonization pressure 0.2 ~ 0.4MPa, carbonization time 1 ~ 2 hour;
after the carbonization high temperature sterilization of bamboo chip completing steps 10, send in the Eusol of 1 ~ 10% concentration and flood 1 ~ 3 hour, take out for subsequent use;
in cooker, prepare the acetum of 1 ~ 10% concentration, add the bamboo chip after step 11 processes after stirring, start boiling after closing the tank mouth of cooker, boiling took out bamboo chip after 10 ~ 50 minutes, with clear water washing, completed the bleaching process of bamboo chip;
to bleach bamboo chip, to send into dry kiln dry, baking temperature 80 ~ 100 DEG C, and 24 ~ 48 hours drying times, after dry, the moisture control of bamboo chip is 6 ~ 10%, and the bamboo chip of system is as the bamboo materials'use of conventional bamboo product.
2. processing method according to claim 1, is characterized in that, described step 1 contaminate object that mould bamboo chip carries out necessary classification be reject seriously go mouldy, again without the bamboo chip of any actual value.
3. processing method according to claim 1, it is characterized in that, in order to mould for dye bamboo chip high temperature sterilization is carried out fully and completely in described step 2, contaminate mould bamboo chip and must not adopt binding wrapping, must by the mould bamboo chip stay aligned of dye, bamboo chip adopts metal side tube to use as filler strip between layers, never allows bamboo chip to occur bridging phenomenon.
4. processing method according to claim 1, is characterized in that, in order to ensure that dried bamboo chip moisture control is 10 ~ 20% in described step 3, the mode that spray can be adopted if desired to steam process increases the final moisture content of bamboo chip.
5. processing method according to claim 1, it is characterized in that, the nutrient solution prepared in described step 4 is in the sterilization process of steam high-temperature sterilization box, and the lid of 2000 milliliters of vials can not cover in sterilization process, prevents vial in heating process because of overheated swelling fracture.
6. processing method according to claim 1, is characterized in that, checks the microbiological contamination situation of solid medium in incubator blank in described step 5 every day, and total inspection number of days is 3 days.
7. processing method according to claim 1, it is characterized in that, the number of plies of placing the metal frame of bamboo chip in described step 8 is 3 ~ 10 layers, every layer adopts 3 ~ 5mm corrosion resistant plate to be welded and fixed, gather diameter 3cm circular hole on corrosion resistant plate surface, prevents water droplet from condensing at bamboo chip and corrosion resistant plate contact site.
8. processing method according to claim 1, it is characterized in that, the operating personnel spraying Aspergillus flavus liquid in described step 8 must wear the biochemistry clothes of specialty, cross Cheng Qian what carry out spraying inoculation Aspergillus flavus, must whole body sterilization be carried out, prevent other miscellaneous bacteria from bringing bamboo chip into.
9. processing method according to claim 1, is characterized in that, by the Eusol of bamboo chip dipping 1 ~ 10% concentration in described step 11, must bamboo chip is immersed in Eusol weighting material completely.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104441130B (en) * | 2014-12-08 | 2016-04-20 | 阜南佳利工艺品有限公司 | A kind of mildew-resistant of timber, insect-prevention treatment method |
| CN105459243B (en) * | 2016-01-07 | 2017-11-21 | 福建农林大学 | A kind of processing method with white rot bacterial plaque China fir Furniture panel |
| CN106750464A (en) * | 2016-12-27 | 2017-05-31 | 南京聚锋新材料有限公司 | A kind of mold-proof method of Wood plastic composite |
| CN109016018A (en) * | 2018-08-30 | 2018-12-18 | 嘉善久顺木业有限公司 | A kind of shallow technique of drift of black walnut wood skin |
| CN110181634A (en) * | 2019-05-29 | 2019-08-30 | 浙江大东吴绿家木业有限公司 | A kind of preparation method of chemical modification color wood composite floor |
| CN112895048B (en) * | 2021-01-18 | 2022-08-02 | 浙江农林大学 | Method for recycling mildewed dried bean curd stick wood |
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