CN108995006B - Production method of insulating bamboo ball - Google Patents
Production method of insulating bamboo ball Download PDFInfo
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- CN108995006B CN108995006B CN201810911325.3A CN201810911325A CN108995006B CN 108995006 B CN108995006 B CN 108995006B CN 201810911325 A CN201810911325 A CN 201810911325A CN 108995006 B CN108995006 B CN 108995006B
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- 235000017166 Bambusa arundinacea Nutrition 0.000 title claims abstract description 148
- 235000017491 Bambusa tulda Nutrition 0.000 title claims abstract description 148
- 241001330002 Bambuseae Species 0.000 title claims abstract description 148
- 235000015334 Phyllostachys viridis Nutrition 0.000 title claims abstract description 148
- 239000011425 bamboo Substances 0.000 title claims abstract description 148
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- 238000001035 drying Methods 0.000 claims abstract description 54
- 239000003973 paint Substances 0.000 claims abstract description 26
- 244000302661 Phyllostachys pubescens Species 0.000 claims abstract description 19
- 235000003570 Phyllostachys pubescens Nutrition 0.000 claims abstract description 19
- 238000000855 fermentation Methods 0.000 claims abstract description 19
- 230000004151 fermentation Effects 0.000 claims abstract description 19
- 238000010411 cooking Methods 0.000 claims abstract description 8
- 238000005498 polishing Methods 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 244000063299 Bacillus subtilis Species 0.000 claims description 12
- 235000014469 Bacillus subtilis Nutrition 0.000 claims description 12
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 claims description 12
- 238000010025 steaming Methods 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 9
- 241000894006 Bacteria Species 0.000 claims description 6
- 241000186660 Lactobacillus Species 0.000 claims description 6
- 239000007864 aqueous solution Substances 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 6
- 238000000227 grinding Methods 0.000 claims description 6
- 235000014655 lactic acid Nutrition 0.000 claims description 6
- 239000004310 lactic acid Substances 0.000 claims description 6
- 229940039696 lactobacillus Drugs 0.000 claims description 6
- 238000002791 soaking Methods 0.000 claims description 6
- 238000007592 spray painting technique Methods 0.000 claims description 6
- 238000003892 spreading Methods 0.000 claims description 6
- 238000009835 boiling Methods 0.000 claims description 4
- 238000011049 filling Methods 0.000 abstract description 8
- 238000005260 corrosion Methods 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 4
- 244000005700 microbiome Species 0.000 abstract description 4
- 230000001788 irregular Effects 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 abstract description 2
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- -1 secondary drying Substances 0.000 abstract 1
- 238000005507 spraying Methods 0.000 abstract 1
- 238000005728 strengthening Methods 0.000 abstract 1
- 230000001580 bacterial effect Effects 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 239000011810 insulating material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 235000013601 eggs Nutrition 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 241000238631 Hexapoda Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
- B27M3/00—Manufacture or reconditioning of specific semi-finished or finished articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27J—MECHANICAL WORKING OF CANE, CORK, OR SIMILAR MATERIALS
- B27J1/00—Mechanical working of cane or the like
-
- 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
- B27K5/0085—Thermal treatments, i.e. involving chemical modification of wood at temperatures well over 100°C
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Forests & Forestry (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
- Debarking, Splitting, And Disintegration Of Timber (AREA)
Abstract
The invention relates to the technical field of forest product processing, in particular to a production method of an insulating bamboo ball, which adopts aged moso bamboo as a raw material, and comprises the steps of primary processing, ball blank manufacturing, fermentation, high-temperature cooking, drying, insulating paint coating, secondary drying, ball blank polishing, secondary paint spraying, hot air vibration drying and the like, thereby avoiding ova and microorganisms in the bamboo ball, impregnating the bamboo ball with high-temperature-resistant insulating paint, strengthening the insulating function of the bamboo ball, ensuring that the manufactured insulating bamboo ball has good fluidity during post-filling, is easy to fill various irregular non-standard gaps, resists high temperature and high pressure, is not easy to carbonize, has light weight, corrosion resistance, high strength and impact resistance, is an ideal insulating post-filling material, and can be applied to the aerospace field and large-scale mechanical equipment which runs for a long time due to fatigue.
Description
Technical Field
The invention relates to the technical field of forest product processing, in particular to a production method of an insulating bamboo ball.
Background
China has abundant moso bamboo resources, and particularly in poor mountainous areas, a large amount of moso bamboo resources depend on manual cutting and are difficult to effectively utilize under the restriction of traffic conditions. The moso bamboo material has the advantages of light weight, firmness, good insulating property, high temperature resistance, corrosion resistance, easy degradation and the like, and is a high-quality raw material for building materials, artware and a plurality of daily necessities. At present, the development and utilization of the moso bamboo are basically limited to the above, and the good insulating property of the moso bamboo is not developed and utilized.
At present, an insulating material used in a high-temperature and high-pressure environment is usually an inorganic non-metallic material such as ceramic, the insulating material needs to be strictly customized before use, the process requirement is high, the quality is high, the non-standard insulating gap and the post-filling insulating space cannot be prefabricated, the whole insulating part has to be processed, and the manufacturing and construction cost is greatly increased. Therefore, the search for the insulating material which can achieve reliable insulating effect through post-filling, is high-temperature-resistant, high-pressure-resistant, corrosion-resistant and light in weight has very important significance for the aerospace field and large machinery which is in long-time fatigue operation.
Disclosure of Invention
In order to solve the technical problems that non-standard insulation gaps, post-filling insulation gaps and the like in a high-temperature and high-pressure environment need to use light insulating materials and a post-filling process, the application provides a production method of an insulating bamboo ball, the insulating bamboo ball is made of aged moso bamboos cut down in winter, worm eggs and microorganisms which possibly exist in the bamboo ball are thoroughly killed through fermentation, high-temperature cooking and high-temperature baking, high-temperature-resistant insulating paint is dip-coated to strengthen the insulating function of the bamboo ball, the post-filling material is good in fluidity, easy to fill various irregular non-standard gaps, resistant to high temperature and high pressure, hard to carbonize, light in weight, corrosion-resistant, high in strength and impact-resistant, is an ideal insulating post-filling material, and can be applied to aerospace equipment and large mechanical equipment which runs for long time fatigue.
The invention is realized by the following technical scheme:
a production method of an insulating bamboo ball comprises the following steps:
(1) preliminary processing of moso bamboo: selecting aged moso bamboos which are cut down in winter and have the bamboo age of more than 2 years, splitting the bamboo into bamboo chips, and selecting bamboo chips with the thickness of more than one third of the diameter of a bamboo ball to be dried or dried in the sun; the winter bamboo which is more than 2 years old has less water content and low sugar content, the internal cell structure of the bamboo is compact, the bamboo is not easy to grow worms and is durable, and the processed bamboo ball has good rigidity; the thickness of the bamboo chips exceeds one third of the diameter of the bamboo balls, the bamboo chips are tightly attached to one side of the green bamboo when being planed and dug, and the yellow bamboo part is loose in texture and easy to carbonize in a high-temperature and high-pressure environment, so that the insulating property of the bamboo balls is influenced; the bamboo chips can be subjected to sulfur treatment, and the bamboo balls dug by the sulfur-treated bamboo chips are light yellow and consistent in color, neat and attractive;
(2) manufacturing a ball blank: digging a bamboo ball blank with the diameter of 5-10 mm along the green thin bamboo strips of the bamboo chips by using a ball digging machine, wherein the shape is required to be complete and the sizes are required to be uniform; the use of 5-10 mm diameter bamboo balls is generally satisfactory for most non-standard insulation gaps and post-filling insulation gaps, and in special cases, bamboo balls with a diameter of less than 5 mm or more than 10 mm, such as insulation gaps with a diameter of less than 10 mm or more than 20 mm, may be planed to meet the requirements. The adopted ball digging machine has a key structure of a hemispherical ball digging spoon, and bamboo balls are dug from bamboo chips under the action of sufficient torque;
(3) and (3) ball blank fermentation: placing the dug bamboo ball blank into an aqueous solution inoculated with mixed strains containing bacillus subtilis and lactobacillus, fermenting for 7-30 days, taking out, cleaning and draining; the weight ratio of the bacillus subtilis to the lactic acid bacteria in the mixed strain is 1: 2-5; the mixed strain fermentation is adopted, so that each strain can be activated firstly, mixed bacterial liquid is cultured, and then the bamboo ball blank is immersed into the mixed bacterial liquid; if the fermentation is carried out in a fermentation chamber with temperature and humidity control conditions, the fermentation time can be controlled to be 7 to 10 days; the fermentation time of natural fermentation is usually 7-10 days in summer and autumn and 15-30 days in winter and spring;
(4) high-temperature cooking: putting the drained fermented bamboo ball blank into a steaming drawer, steaming and boiling the bamboo ball blank for 30 to 60 minutes by using water vapor with the temperature of 105 to 110 ℃, taking out the bamboo ball blank, and cooling the bamboo ball blank by using flowing water; the bamboo balls are treated by high-temperature steam, so that the toughness of the bamboo balls can be improved, the breakage ratio of the bamboo balls in the subsequent processing process is reduced, the impact resistance of the bamboo balls is improved, insect eggs and microorganisms possibly remaining in the bamboo balls are killed, and the bamboo balls are prevented from deteriorating in the using process;
(5) drying: spreading the steamed bamboo ball blank in a baking pan, and drying with hot air at 50-65 ℃ for 2-8 hours until the water content of the bamboo ball is lower than 10%; naturally cooling; the water content of the bamboo balls is reduced to be lower than the level available for microorganisms by drying for a long time at a higher temperature, and meanwhile, the insulation paint is favorably and fully absorbed when the insulation paint is dipped in the next step, so that the insulation performance of the bamboo balls is improved;
(6) and (3) applying insulating paint: putting the dried bamboo balls into high-temperature-resistant insulating paint, soaking for 24-72 hours, and centrifugally drying; automatic dipping equipment can be used, so that the production efficiency is improved;
(7) secondary drying: drying the bamboo balls with the spin-dried insulating paint in a vibrating drying screen at the temperature of 60-80 ℃ in the former period and 110-120 ℃ in the later period; the drying time is 2-4 hours at the early stage and 1-2 hours at the later stage; the two-stage drying process is adopted, so that the full absorption of the insulating paint is facilitated; the later drying temperature is increased to be more than 110 ℃, so that the curing of the insulating paint on the surface of the bamboo ball is promoted;
(8) polishing the ball blank: putting the dried bamboo balls into a ball grinding machine to be ground and smooth; the polished bamboo ball has smoother surface and is not easy to generate surface creepage under high humidity condition;
(9) secondary spray painting and hot air vibration drying.
Detailed Description
The invention is further illustrated by the following specific examples.
Example 1:
a production method of an insulating bamboo ball comprises the following steps:
(1) preliminary processing of moso bamboo: selecting aged moso bamboos which are cut down in winter and have the bamboo age of more than 2 years, splitting the bamboo into bamboo chips, and selecting bamboo chips with the thickness of more than one third of the diameter of a bamboo ball to be dried or dried in the sun;
(2) manufacturing a ball blank: digging a bamboo ball blank with the diameter of 5 mm along the green thin bamboo strips of the bamboo chips by using a ball digging machine, wherein the shape is required to be complete and the sizes are required to be uniform;
(3) and (3) ball blank fermentation: placing the dug bamboo ball blank into an aqueous solution inoculated with mixed strains containing bacillus subtilis and lactobacillus, fermenting for 7-10 days, taking out, cleaning and draining; the weight ratio of the bacillus subtilis to the lactic acid bacteria in the mixed strain is 1: 5; the mixed strain fermentation is adopted, so that each strain can be activated firstly, mixed bacterial liquid is cultured, and then the bamboo ball blank is immersed into the mixed bacterial liquid;
(4) high-temperature cooking: putting the drained fermented bamboo ball blank into a steaming drawer, steaming and boiling for 30 minutes by using water vapor with the temperature of 105-110 ℃, taking out, and cooling by using flowing water;
(5) drying: spreading the steamed bamboo ball blank in a baking pan, and drying with hot air at 50-65 ℃ for 2 hours until the water content of the bamboo ball is lower than 10%;
(6) and (3) applying insulating paint: putting the dried bamboo balls into high-temperature-resistant insulating paint, soaking for 24 hours, and centrifugally drying;
(7) secondary drying: drying the bamboo balls with the spin-dried insulating paint in a vibrating drying screen at the temperature of 60-80 ℃ in the former period and 110-120 ℃ in the later period; the drying time is 2 hours at the early stage and 2 hours at the later stage;
(8) polishing the ball blank: putting the dried bamboo balls into a ball grinding machine to be ground and smooth;
(9) secondary spray painting and hot air vibration drying.
Example 2:
a production method of an insulating bamboo ball comprises the following steps:
(1) preliminary processing of moso bamboo: selecting aged moso bamboos which are cut down in winter and have the bamboo age of more than 2 years, splitting the bamboo into bamboo chips, and selecting bamboo chips with the thickness of more than one third of the diameter of a bamboo ball to be dried or dried in the sun;
(2) manufacturing a ball blank: digging a bamboo ball blank with the diameter of 10 mm along the green thin bamboo strips of the bamboo chips by using a ball digging machine, wherein the shape is required to be complete and the size is required to be uniform;
(3) and (3) ball blank fermentation: placing the dug bamboo ball blank into an aqueous solution inoculated with mixed strains containing bacillus subtilis and lactobacillus, fermenting for 15-30 days, taking out, cleaning and draining; the weight ratio of the bacillus subtilis to the lactic acid bacteria in the mixed strain is 1: 2;
(4) high-temperature cooking: putting the drained fermented bamboo ball blank into a steaming drawer, steaming for 60 minutes by using water vapor with the temperature of 105-110 ℃, taking out, and cooling by using running water;
(5) drying: spreading the steamed bamboo ball blank in a baking pan, and drying by hot air at 50-65 ℃ for 8 hours until the water content of the bamboo ball is lower than 10%;
(6) and (3) applying insulating paint: putting the dried bamboo balls into high-temperature-resistant insulating paint, soaking for 72 hours, and centrifugally drying;
(7) secondary drying: drying the bamboo balls with the spin-dried insulating paint in a vibrating drying screen at the temperature of 60-80 ℃ in the former period and 110-120 ℃ in the later period; the drying time is 4 hours at the early stage and 1 hour at the later stage;
(8) polishing the ball blank: putting the dried bamboo balls into a ball grinding machine to be ground and smooth;
(9) secondary spray painting and hot air vibration drying.
Example 3:
a production method of an insulating bamboo ball comprises the following steps:
(1) preliminary processing of moso bamboo: selecting aged moso bamboos which are cut down in winter and have the bamboo age of more than 2 years, splitting the bamboo into bamboo chips, and selecting bamboo chips with the thickness of more than one third of the diameter of a bamboo ball to be dried or dried in the sun;
(2) manufacturing a ball blank: digging a bamboo ball blank with the diameter of 3 mm along the green thin bamboo strips of the bamboo chips by using a ball digging machine, wherein the shape is required to be complete and the sizes are required to be uniform;
(3) and (3) ball blank fermentation: placing the dug bamboo ball blank into an aqueous solution inoculated with mixed strains containing bacillus subtilis and lactobacillus, fermenting for 7 days, taking out, cleaning and draining; the weight ratio of the bacillus subtilis to the lactic acid bacteria in the mixed strain is 1: 3;
(4) high-temperature cooking: putting the drained fermented bamboo ball blank into a steaming drawer, steaming and boiling for 30 minutes by using water vapor with the temperature of 105-110 ℃, taking out, and cooling by using flowing water;
(5) drying: spreading the steamed bamboo ball blank in a baking pan, and drying with hot air at 50-65 ℃ for 2 hours until the water content of the bamboo ball is lower than 10%; naturally cooling;
(6) and (3) applying insulating paint: putting the dried bamboo balls into high-temperature-resistant insulating paint, soaking for 24 hours, and centrifugally drying;
(7) secondary drying: drying the bamboo balls with the spin-dried insulating paint in a vibrating drying screen at the temperature of 60-80 ℃ in the former period and 110-120 ℃ in the later period; the drying time is 2 hours at the early stage and 1 hour at the later stage;
(8) polishing the ball blank: putting the dried bamboo balls into a ball grinding machine to be ground and smooth;
(9) secondary spray painting and hot air vibration drying.
Example 4:
a production method of an insulating bamboo ball comprises the following steps:
(1) preliminary processing of moso bamboo: selecting aged moso bamboos which are cut down in winter and have the bamboo age of more than 2 years, splitting the bamboo into bamboo chips, and selecting bamboo chips with the thickness of more than one third of the diameter of a bamboo ball to be dried or dried in the sun;
(2) manufacturing a ball blank: digging a bamboo ball blank with the diameter of 12 mm along the green thin bamboo strips of the bamboo chips by using a ball digging machine, wherein the shape is required to be complete and the sizes are required to be uniform;
(3) and (3) ball blank fermentation: placing the dug bamboo ball blank into an aqueous solution inoculated with a mixed strain containing bacillus subtilis and lactobacillus for fermentation for 10 days, and controlling the fermentation temperature to be 20-25 ℃; taking out, cleaning and draining; the weight ratio of the bacillus subtilis to the lactic acid bacteria in the mixed strain is 1: 5; the mixed strain fermentation is adopted, so that each strain can be activated firstly, mixed bacterial liquid is cultured, and then the bamboo ball blank is immersed into the mixed bacterial liquid;
(4) high-temperature cooking: putting the drained fermented bamboo ball blank into a steaming drawer, steaming for 60 minutes by using water vapor with the temperature of 105-110 ℃, taking out, and cooling by using running water;
(5) drying: spreading the steamed bamboo ball blank in a baking pan, and drying by hot air at 50-65 ℃ for 8 hours until the water content of the bamboo ball is lower than 10%; naturally cooling;
(6) and (3) applying insulating paint: putting the dried bamboo balls into high-temperature-resistant insulating paint, soaking for 72 hours, and centrifugally drying;
(7) secondary drying: drying the bamboo balls with the spin-dried insulating paint in a vibrating drying screen at the temperature of 60-80 ℃ in the former period and 110-120 ℃ in the later period; the drying time is 4 hours at the early stage and 2 hours at the later stage;
(8) polishing the ball blank: putting the dried bamboo balls into a ball grinding machine to be ground and smooth;
(9) secondary spray painting and hot air vibration drying.
Claims (4)
1. The production method of the insulating bamboo ball is characterized by comprising the following steps:
(1) preliminary processing of moso bamboo: selecting aged moso bamboos which are cut down in winter and have the bamboo age of more than 2 years, splitting the bamboo into bamboo chips, and selecting bamboo chips with the thickness of more than one third of the diameter of a bamboo ball to be dried or dried in the sun;
(2) manufacturing a ball blank: digging a bamboo ball blank with the diameter of 5-10 mm along the green thin bamboo strips of the bamboo chips by using a ball digging machine, wherein the shape is required to be complete and the sizes are required to be uniform;
(3) and (3) ball blank fermentation: placing the dug bamboo ball blank into an aqueous solution inoculated with mixed strains containing bacillus subtilis and lactobacillus, fermenting for 7-30 days, taking out, cleaning and draining;
(4) high-temperature cooking: putting the drained fermented bamboo ball blank into a steaming drawer, steaming and boiling the bamboo ball blank for 30 to 60 minutes by using water vapor with the temperature of 105 to 110 ℃, taking out the bamboo ball blank, and cooling the bamboo ball blank by using flowing water;
(5) drying: spreading the steamed bamboo ball blank in a baking pan, and drying with hot air at 50-65 ℃ for 2-8 hours until the water content of the bamboo ball is lower than 10%; naturally cooling;
(6) and (3) applying insulating paint: putting the dried bamboo balls into high-temperature-resistant insulating paint, soaking for 24-72 hours, and centrifugally drying;
(7) secondary drying: drying the bamboo balls with the spin-dried insulating paint in a vibrating drying screen at the temperature of 60-80 ℃ in the former period and 110-120 ℃ in the later period; the drying time is 2-4 hours at the early stage and 1-2 hours at the later stage;
(8) polishing the ball blank: putting the dried bamboo balls into a ball grinding machine to be ground and smooth;
(9) secondary spray painting and hot air vibration drying.
2. The method for producing an insulated bamboo ball as claimed in claim 1, wherein the bamboo chips are subjected to a sulfuring treatment in the step (1).
3. The method for producing an insulating bamboo ball according to claim 1, wherein the ratio by weight of bacillus subtilis and lactic acid bacteria of the mixed strain in the step (3) is 1: 2-5.
4. The method for producing the insulation bamboo ball according to claim 1, wherein the fermentation time in the step (3) is 7 to 10 days in summer and autumn and 15 to 30 days in winter and spring.
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| CN201810911325.3A CN108995006B (en) | 2018-08-11 | 2018-08-11 | Production method of insulating bamboo ball |
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| CN109664379B (en) * | 2019-01-08 | 2021-02-09 | 宁安市安杰木业有限公司 | Pure electrical laminated wood and preparation method thereof |
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