CN112873466A - Carbonization and drying preparation method of phyllostachys pubescens - Google Patents
Carbonization and drying preparation method of phyllostachys pubescens Download PDFInfo
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- CN112873466A CN112873466A CN202110167598.3A CN202110167598A CN112873466A CN 112873466 A CN112873466 A CN 112873466A CN 202110167598 A CN202110167598 A CN 202110167598A CN 112873466 A CN112873466 A CN 112873466A
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- phyllostachys pubescens
- strips
- carbonization
- phyllostachys
- pubescens
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- 235000003570 Phyllostachys pubescens Nutrition 0.000 title claims abstract description 281
- 238000003763 carbonization Methods 0.000 title claims abstract description 122
- 238000002360 preparation method Methods 0.000 title claims abstract description 24
- 238000001035 drying Methods 0.000 title claims abstract description 23
- 241001520913 Phyllostachys edulis Species 0.000 title abstract 12
- 238000000034 method Methods 0.000 claims abstract description 31
- 230000008569 process Effects 0.000 claims abstract description 31
- 244000302661 Phyllostachys pubescens Species 0.000 claims description 269
- 238000010000 carbonizing Methods 0.000 claims description 37
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 11
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 11
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 11
- 239000011425 bamboo Substances 0.000 claims description 11
- 235000005273 Canna coccinea Nutrition 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 7
- 240000008555 Canna flaccida Species 0.000 claims 2
- 244000082204 Phyllostachys viridis Species 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 18
- 239000003610 charcoal Substances 0.000 abstract description 5
- 230000008859 change Effects 0.000 abstract description 3
- 241001330002 Bambuseae Species 0.000 description 10
- 241000238631 Hexapoda Species 0.000 description 9
- 241000234587 Canna Species 0.000 description 8
- 230000002265 prevention Effects 0.000 description 6
- 102000004169 proteins and genes Human genes 0.000 description 6
- 108090000623 proteins and genes Proteins 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 235000015097 nutrients Nutrition 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 241000133556 Nandina Species 0.000 description 2
- 238000005536 corrosion prevention Methods 0.000 description 2
- 238000000197 pyrolysis Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 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
- B27M1/00—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching
- B27M1/06—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching by burning or charring, e.g. cutting with hot wire
Abstract
The invention discloses a carbonization and drying preparation method of phyllostachys pubescens, which comprises the steps of S1-S10. According to the carbonization and drying preparation method of the phyllostachys pubescens, the fresh phyllostachys pubescens is processed by adopting the raw charcoal process and the charcoal returning process, the water content of the processed phyllostachys pubescens is 8 to 10 percent, when the phyllostachys pubescens furniture is produced, the phyllostachys pubescens with the thickness of more than 20 mm is bent at 270 degrees, and when the phyllostachys pubescens with the thickness of less than 10 mm, the phyllostachys pubescens furniture can be bent at 360 degrees into a round shape, so that the phyllostachys pubescens; moreover, the toughness of the phyllostachys pubescens is not influenced between 40 ℃ and 60 ℃, and the phyllostachys pubescens does not have color change or crack for a long time.
Description
Technical Field
The invention relates to the technical field of phyllostachys pubescens preparation, in particular to a phyllostachys pubescens carbonization and drying preparation method.
Background
The phyllostachys pubescens generally refers to phyllostachys pubescens, the phyllostachys pubescens grows fast, the yield is high, the application is wide, the phyllostachys pubescens can be felled and utilized every year after three to five years of afforestation, the time from bamboo shoot emergence to bamboo formation is only about two months, and the phyllostachys pubescens can be cut into paper-making raw materials or furniture raw materials in the same year. At present, the phyllostachys pubescens is used as a furniture raw material, and has the advantages of being warm in winter and cool in summer, high in toughness strength, comfortable in use feeling, wide in raw material sources, high in growth speed, high in yield, free of cracking and deformation, capable of preventing being damaged by worms, natural, environment-friendly and the like. However, in the process of producing phyllostachys pubescens by an enterprise at present, the water content of the phyllostachys pubescens is too high, so that the phyllostachys pubescens furniture is prone to discoloring, the phyllostachys pubescens furniture is cracked in the using process and damaged, and the water content of the phyllostachys pubescens is too high, so that the phyllostachys pubescens furniture is prone to mildew, and the normal use of the phyllostachys pubescen.
Disclosure of Invention
Therefore, the carbonization and drying preparation method of the phyllostachys pubescens is needed to solve the technical problem that the water content of the phyllostachys pubescens is too high in the prior art.
A carbonization and drying preparation method of phyllostachys pubescens comprises the following steps:
s1, taking cylindrical fresh phyllostachys pubescens, placing the cylindrical fresh phyllostachys pubescens in processing equipment, and processing the cylindrical fresh phyllostachys pubescens into strip phyllostachys pubescens strips with preset specifications by the processing equipment;
s2, placing the phyllostachys pubescens into a carbonization furnace, and carbonizing the phyllostachys pubescens until the carbonization furnace is started to reach a preset temperature;
s3, carbonizing the phyllostachys pubescens bamboo strips by the carbonizing furnace for preset time, starting an air inlet valve of the carbonizing furnace, and starting a drain valve of the carbonizing furnace for preset time after the internal pressure of the carbonizing furnace reaches a preset pressure value;
s4, after the carbonization furnace opens a drain valve for a preset time, taking out the phyllostachys pubescens strips and cooling to normal temperature;
s5, placing the phyllostachys pubescens strips at normal temperature in a baking room, starting the baking room to a preset temperature, and baking the phyllostachys pubescens strips in the baking room to a preset time;
s6, taking out the phyllostachys pubescens strips, and completing the carbonization process of the phyllostachys pubescens strips;
s7, placing the phyllostachys pubescens into a carbonization furnace, starting an air inlet valve of the carbonization furnace after the carbonization furnace is started to reach a preset temperature, enabling the internal pressure of the carbonization furnace to reach a preset pressure value, and carbonizing the phyllostachys pubescens secondarily by the carbonization furnace for a preset time;
s8, carbonizing the phyllostachys pubescens canna strips for the second time by the carbonizing furnace to reach the preset time, starting a drain valve by the carbonizing furnace to reach the preset time, taking out the phyllostachys pubescens canna strips, and cooling to the normal temperature;
s9, placing the phyllostachys pubescens strips at normal temperature in a baking room, starting the baking room to a preset temperature, baking the phyllostachys pubescens strips in the baking room to a preset time, taking out the phyllostachys pubescens strips, and completing the carbonization process of the phyllostachys pubescens strips;
s10, placing the phyllostachys pubescens sticks in a stacking rack, placing the stacking rack in a curing area, and completing carbonization and drying preparation work of the phyllostachys pubescens sticks.
In an embodiment of the invention, in the step S1, the nandina bamboo strips have a thickness of 5 mm to 10 mm.
In an embodiment of the invention, in the step S2, the carbonization furnace is started to reach 60 ℃, and the time for carbonizing the phyllostachys pubescens strips is 70 to 90 minutes.
In one embodiment of the present invention, in step S3, the internal pressure of the carbonization furnace reaches between 110MPA and 130MPA, and the carbonization furnace opens the drain valve for 80 minutes to 90 minutes.
In an embodiment of the invention, in the step S5, the opening temperature of the baking room is 50 to 70 degrees celsius, and the baking time of the nandina strip in the baking room is 50 to 70 minutes.
In an embodiment of the invention, in the step S7, after the carbonization furnace is started to reach 45 to 48 degrees celsius, the carbonization furnace opens the air inlet valve, the internal pressure of the carbonization furnace reaches 110 to 130MPA, and the carbonization furnace performs secondary carbonization on the phyllostachys pubescens strips for 40 to 50 minutes.
In an embodiment of the invention, in the step S8, after the nanmu bamboo strips are carbonized for 40 to 50 minutes by the carbonization furnace, the carbonization furnace opens the drain valve for 45 minutes, and the nanmu bamboo strips are taken out and cooled to normal temperature.
In an embodiment of the invention, in the step S9, the phyllostachys pubescens sticks at normal temperature are placed in a baking room, the baking room is opened to 48 to 50 ℃, and the phyllostachys pubescens sticks are baked in the baking room for 30 to 50 minutes.
According to the carbonization and drying preparation method of the phyllostachys pubescens, the fresh phyllostachys pubescens is processed by adopting the raw charcoal process and the charcoal returning process, the water content of the processed phyllostachys pubescens is 8 to 10 percent, when the phyllostachys pubescens furniture is produced, the phyllostachys pubescens with the thickness of more than 20 mm is bent at 270 degrees, and when the phyllostachys pubescens with the thickness of less than 10 mm, the phyllostachys pubescens furniture can be bent at 360 degrees into a round shape, so that the phyllostachys pubescens; moreover, the toughness of the phyllostachys pubescens is not influenced between 40 ℃ and 60 ℃, and the phyllostachys pubescens does not have color change or crack for a long time.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, specific embodiments thereof will be described in detail with reference to the following examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
In an embodiment of the invention, the invention discloses a carbonization and drying preparation method of phyllostachys pubescens, which comprises the following steps:
s1, placing the cylindrical fresh phyllostachys pubescens in processing equipment, and processing the phyllostachys pubescens into strip phyllostachys pubescens strips with the thickness of 5-10 mm by the processing equipment; the cylindrical fresh phyllostachys pubescens are processed into strip phyllostachys pubescens strips, so that the phyllostachys pubescens is easy to dehydrate and carbonize, and the strip phyllostachys pubescens strips are easy to assemble and form phyllostachys pubescens furniture.
S2, placing the phyllostachys pubescens sticks in a carbonization furnace, and carbonizing the phyllostachys pubescens sticks for 70-90 minutes after the carbonization furnace is started to reach 60 ℃. In the phyllostachys pubescens strip carbonization process, sugar and fat of the phyllostachys pubescens strips are removed, proteins of the phyllostachys pubescens strips are damaged, moths cannot survive and propagate in the phyllostachys pubescens strips, and the phyllostachys pubescens strips cannot be damaged by worms, so that the phyllostachys pubescens strips have the functions of corrosion resistance and insect prevention.
S3, carbonizing the phyllostachys pubescens bamboo strips by the carbonization furnace for 70 to 90 minutes, starting an air inlet valve of the carbonization furnace, and starting a drain valve of the carbonization furnace for 80 to 90 minutes after the internal pressure of the carbonization furnace reaches 110 to 130 MPA; the phyllostachys pubescens strips are pyrolyzed in a carbonization furnace for 80-90 minutes to obtain the phyllostachys pubescens strips, so that the nutrient substances in the phyllostachys pubescens strips are thoroughly decomposed, the density and the strength of the phyllostachys pubescens strips are improved, and the phyllostachys pubescens families have the characteristic of no insect growth.
S4, starting a drain valve of the carbonization furnace for 80 to 90 minutes, and taking out the phyllostachys pubescens sticks to cool to the normal temperature. The inside vapor of drain valve discharge carbonization furnace gets rid of the inside vapor of retort on the one hand, prevents that vapor from corroding the spare part of retort, and on the other hand prevents that vapor from condensing the inside of permeating into the phyllostachys pubescens strip on phyllostachys pubescens strip surface again, causes the phyllostachys pubescens strip water content too high.
S5, placing the phyllostachys pubescens strips at normal temperature in a baking room, opening the baking room to 50-70 ℃, and baking the phyllostachys pubescens strips in the baking room for 50-70 minutes. After the phyllostachys pubescens strips are baked in the baking room, the water content is 10 to 13 percent, and the subsequent process of the phyllostachys pubescens strips is easy to carry out.
S6, taking out the phyllostachys pubescens strips, and completing the carbonization process of the phyllostachys pubescens strips.
S7, placing the phyllostachys pubescens sticks in a carbonization furnace, starting the carbonization furnace to 45-48 ℃, starting an air inlet valve of the carbonization furnace, enabling the internal pressure of the carbonization furnace to reach 110-130 MPA, and carbonizing the phyllostachys pubescens sticks for 40-50 minutes in a second time by the carbonization furnace; in the secondary carbonization process of the phyllostachys pubescens strips, sugar and fat of the phyllostachys pubescens strips are further removed, proteins of the phyllostachys pubescens strips are damaged, moths cannot survive and propagate inside the phyllostachys pubescens strips, and the phyllostachys pubescens strips cannot be damaged by worms, so that the phyllostachys pubescens strips have the effects of corrosion resistance and insect prevention.
S8, carbonizing the phyllostachys pubescens canna strips for 40 to 50 minutes for the second time by the carbonization furnace, starting a drain valve of the carbonization furnace for 45 minutes, taking out the phyllostachys pubescens canna strips, and cooling to normal temperature; the inside vapor of drain valve discharge carbonization furnace gets rid of the inside vapor of retort on the one hand, prevents that vapor from corroding the spare part of retort, and on the other hand prevents that vapor from condensing the inside of permeating into the phyllostachys pubescens strip on phyllostachys pubescens strip surface again, causes the phyllostachys pubescens strip water content too high.
S9, placing the phyllostachys pubescens strips at normal temperature in a baking room, opening the baking room to 48-50 ℃, baking the phyllostachys pubescens strips in the baking room for 30-50 minutes, taking out the phyllostachys pubescens strips, and completing the carbonization process of the phyllostachys pubescens strips; after the phyllostachys pubescens strips are baked for the second time in the baking room, the water content of the phyllostachys pubescens strips is 8 to 10 percent, and the subsequent process of the phyllostachys pubescens strips is easy to carry out.
S10, placing the phyllostachys pubescens sticks in a stacking rack, placing the stacking rack in a curing area, and completing carbonization and drying preparation work of the phyllostachys pubescens sticks.
Example 1
S1, placing the cylindrical fresh phyllostachys pubescens in processing equipment, and processing the phyllostachys pubescens into strip phyllostachys pubescens strips with the thickness of 8-10 mm by the processing equipment; the cylindrical fresh phyllostachys pubescens are processed into strip phyllostachys pubescens strips, so that the phyllostachys pubescens is easy to dehydrate and carbonize, and the strip phyllostachys pubescens strips are easy to assemble and form phyllostachys pubescens furniture.
S2, placing the phyllostachys pubescens sticks in a carbonization furnace, and carbonizing the phyllostachys pubescens sticks for 80 minutes after the carbonization furnace is started to reach 60 ℃. The phyllostachys pubescens strips between 8 millimeters and 10 millimeters are thick phyllostachys pubescens strips, and in the phyllostachys pubescens strip carbonization process, sugar and fat of phyllostachys pubescens strips are removed, the protein of phyllostachys pubescens strips is destroyed, moths cannot survive and propagate inside the phyllostachys pubescens strips, and the quality problem that the phyllostachys pubescens strips are damaged by worms can not occur, so that the phyllostachys pubescens strips have the functions of corrosion prevention and insect prevention.
S3, carbonizing the phyllostachys pubescens bamboo strips by the carbonization furnace for 80 minutes, starting an air inlet valve of the carbonization furnace, and starting a drain valve of the carbonization furnace for 90 minutes after the internal pressure of the carbonization furnace reaches 120 MPA; the phyllostachys pubescens strips are subjected to 90-minute pyrolysis treatment through the carbonization furnace to obtain the phyllostachys pubescens strips, nutrient substances in the phyllostachys pubescens strips are thoroughly decomposed, the density and the strength of the phyllostachys pubescens strips are improved, and phyllostachys pubescens families have the characteristic of being free of insect growth.
S4, after the carbonization furnace opens the drain valve for 90 minutes, the phyllostachys pubescens sticks are taken out and cooled to the normal temperature. The inside vapor of drain valve discharge carbonization furnace gets rid of the inside vapor of retort on the one hand, prevents that vapor from corroding the spare part of retort, and on the other hand prevents that vapor from condensing the inside of permeating into the phyllostachys pubescens strip on phyllostachys pubescens strip surface again, causes the phyllostachys pubescens strip water content too high.
S5, placing the phyllostachys pubescens strips at normal temperature in a baking room, opening the baking room to 60 ℃, and baking the phyllostachys pubescens strips in the baking room for 70 minutes. After the phyllostachys pubescens strips are baked in the baking room, the water content is 10 to 13 percent, and the subsequent process of the phyllostachys pubescens strips is easy to carry out.
S6, taking out the phyllostachys pubescens strips, and completing the carbonization process of the phyllostachys pubescens strips.
S7, placing the phyllostachys pubescens into a carbonization furnace, starting the carbonization furnace to 48 ℃, starting an air inlet valve of the carbonization furnace, enabling the internal pressure of the carbonization furnace to reach 120MPA, and carbonizing the phyllostachys pubescens for 45 minutes by the carbonization furnace for the second time; in the secondary carbonization process of the phyllostachys pubescens strips, sugar and fat of the phyllostachys pubescens strips are further removed, proteins of the phyllostachys pubescens strips are damaged, moths cannot survive and propagate inside the phyllostachys pubescens strips, and the phyllostachys pubescens strips cannot be damaged by worms, so that the phyllostachys pubescens strips have the effects of corrosion resistance and insect prevention.
S8, after carbonizing the phyllostachys pubescens canna strips for 45 minutes for the second time by the carbonizing furnace, starting a drain valve by the carbonizing furnace for 45 minutes, taking out the phyllostachys pubescens canna strips, and cooling to normal temperature; the inside vapor of drain valve discharge carbonization furnace gets rid of the inside vapor of retort on the one hand, prevents that vapor from corroding the spare part of retort, and on the other hand prevents that vapor from condensing the inside of permeating into the phyllostachys pubescens strip on phyllostachys pubescens strip surface again, causes the phyllostachys pubescens strip water content too high.
S9, placing the phyllostachys pubescens strips at normal temperature in a baking room, opening the baking room to a temperature of 48-50 ℃, baking the phyllostachys pubescens strips in the baking room for 50 minutes, taking out the phyllostachys pubescens strips, and completing the carbonization process of the phyllostachys pubescens strips; after the phyllostachys pubescens strips are baked for the second time in the baking room, the water content of the phyllostachys pubescens strips is 8 to 10 percent, and the subsequent process of the phyllostachys pubescens strips is easy to carry out.
S10, placing the phyllostachys pubescens sticks in a stacking rack, placing the stacking rack in a curing area, and completing carbonization and drying preparation work of the phyllostachys pubescens sticks.
Example 2
S1, placing the cylindrical fresh phyllostachys pubescens in processing equipment, and processing the phyllostachys pubescens into strip phyllostachys pubescens strips with the thickness of 5-8 mm by the processing equipment; the cylindrical fresh phyllostachys pubescens are processed into strip phyllostachys pubescens strips, so that the phyllostachys pubescens is easy to dehydrate and carbonize, and the strip phyllostachys pubescens strips are easy to assemble and form phyllostachys pubescens furniture.
S2, placing the phyllostachys pubescens sticks in a carbonization furnace, and carbonizing the phyllostachys pubescens sticks for 75 minutes after the carbonization furnace is started to reach 60 ℃. Strip phyllostachys pubescens strips between 5 millimeters and 8 millimeters are phyllostachys pubescens strips, and in the phyllostachys pubescens strip carbonization process, sugar and fat of phyllostachys pubescens strips are removed, the protein of phyllostachys pubescens strips is destroyed, moth can not survive and propagate inside the phyllostachys pubescens strips, and the quality problem that the phyllostachys pubescens strips are damaged by worms can not occur, so that the phyllostachys pubescens strips have the functions of corrosion prevention and insect prevention.
S3, carbonizing the phyllostachys pubescens bamboo strips by the carbonization furnace for 75 minutes, starting an air inlet valve of the carbonization furnace, and starting a drain valve of the carbonization furnace for 80 minutes after the internal pressure of the carbonization furnace reaches 120 MPA; the phyllostachys pubescens strips are subjected to pyrolysis treatment for 80 minutes by the carbonization furnace to obtain the phyllostachys pubescens strips, so that the nutrient substances in the phyllostachys pubescens strips are thoroughly decomposed, the density and the strength of the phyllostachys pubescens strips are improved, and the phyllostachys pubescens is free from insect growth.
S4, after the carbonization furnace opens the drain valve for 80 minutes, the nanmu bamboo strips are taken out and cooled to the normal temperature. The inside vapor of drain valve discharge carbonization furnace gets rid of the inside vapor of retort on the one hand, prevents that vapor from corroding the spare part of retort, and on the other hand prevents that vapor from condensing the inside of permeating into the phyllostachys pubescens strip on phyllostachys pubescens strip surface again, causes the phyllostachys pubescens strip water content too high.
S5, placing the phyllostachys pubescens strips at normal temperature in a baking room, opening the baking room to 50 ℃, and baking the phyllostachys pubescens strips in the baking room for 50 minutes. After the phyllostachys pubescens strips are baked in the baking room, the water content is 10 to 13 percent, and the subsequent process of the phyllostachys pubescens strips is easy to carry out.
S6, taking out the phyllostachys pubescens strips, and completing the carbonization process of the phyllostachys pubescens strips.
S7, placing the phyllostachys pubescens into a carbonization furnace, starting the carbonization furnace to 45 ℃, starting an air inlet valve of the carbonization furnace, enabling the internal pressure of the carbonization furnace to reach 120MPA, and carbonizing the phyllostachys pubescens for 40 minutes by the carbonization furnace for the second time; in the secondary carbonization process of the phyllostachys pubescens strips, sugar and fat of the phyllostachys pubescens strips are further removed, proteins of the phyllostachys pubescens strips are damaged, moths cannot survive and propagate inside the phyllostachys pubescens strips, and the phyllostachys pubescens strips cannot be damaged by worms, so that the phyllostachys pubescens strips have the effects of corrosion resistance and insect prevention.
S8, carbonizing the phyllostachys pubescens canna strips for 40 minutes for the second time by the carbonizing furnace, starting a drain valve by the carbonizing furnace for 45 minutes, taking out the phyllostachys pubescens canna strips, and cooling to normal temperature; the inside vapor of drain valve discharge carbonization furnace gets rid of the inside vapor of retort on the one hand, prevents that vapor from corroding the spare part of retort, and on the other hand prevents that vapor from condensing the inside of permeating into the phyllostachys pubescens strip on phyllostachys pubescens strip surface again, causes the phyllostachys pubescens strip water content too high.
S9, placing the phyllostachys pubescens strips at normal temperature in a baking room, opening the baking room to a temperature of 48-50 ℃, baking the phyllostachys pubescens strips in the baking room for 30 minutes, taking out the phyllostachys pubescens strips, and completing the carbonization process of the phyllostachys pubescens strips; after the phyllostachys pubescens strips are baked for the second time in the baking room, the water content of the phyllostachys pubescens strips is 8 to 10 percent, and the subsequent process of the phyllostachys pubescens strips is easy to carry out.
S10, placing the phyllostachys pubescens sticks in a stacking rack, placing the stacking rack in a curing area, and completing carbonization and drying preparation work of the phyllostachys pubescens sticks.
In summary, in one or more embodiments of the present invention, the carbonization and drying preparation method of phyllostachys pubescens disclosed herein adopts a raw charcoal process and a carbonization process to process fresh phyllostachys pubescens, the water content of the processed phyllostachys pubescens is between 8 and 10 percent, when the phyllostachys pubescens furniture is produced, the phyllostachys pubescens with the thickness of more than 20 mm is bent at 270 degrees, and when the phyllostachys pubescens with the thickness of less than 10 mm, the phyllostachys pubescens furniture can be bent at 360 degrees into a round shape, so that the phyllostachys pubescens; moreover, the toughness of the phyllostachys pubescens is not influenced between 40 ℃ and 60 ℃, and the phyllostachys pubescens does not have color change or crack for a long time.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. A carbonization and drying preparation method of phyllostachys pubescens is characterized by comprising the following steps:
s1, taking cylindrical fresh phyllostachys pubescens, placing the cylindrical fresh phyllostachys pubescens in processing equipment, and processing the cylindrical fresh phyllostachys pubescens into strip phyllostachys pubescens strips with preset specifications by the processing equipment;
s2, placing the phyllostachys pubescens into a carbonization furnace, and carbonizing the phyllostachys pubescens until the carbonization furnace is started to reach a preset temperature;
s3, carbonizing the phyllostachys pubescens bamboo strips by the carbonizing furnace for preset time, starting an air inlet valve of the carbonizing furnace, and starting a drain valve of the carbonizing furnace for preset time after the internal pressure of the carbonizing furnace reaches a preset pressure value;
s4, after the carbonization furnace opens a drain valve for a preset time, taking out the phyllostachys pubescens strips and cooling to normal temperature;
s5, placing the phyllostachys pubescens strips at normal temperature in a baking room, starting the baking room to a preset temperature, and baking the phyllostachys pubescens strips in the baking room to a preset time;
s6, taking out the phyllostachys pubescens strips, and completing the carbonization process of the phyllostachys pubescens strips;
s7, placing the phyllostachys pubescens into a carbonization furnace, starting an air inlet valve of the carbonization furnace after the carbonization furnace is started to reach a preset temperature, enabling the internal pressure of the carbonization furnace to reach a preset pressure value, and carbonizing the phyllostachys pubescens secondarily by the carbonization furnace for a preset time;
s8, carbonizing the phyllostachys pubescens canna strips for the second time by the carbonizing furnace to reach the preset time, starting a drain valve by the carbonizing furnace to reach the preset time, taking out the phyllostachys pubescens canna strips, and cooling to the normal temperature;
s9, placing the phyllostachys pubescens strips at normal temperature in a baking room, starting the baking room to a preset temperature, baking the phyllostachys pubescens strips in the baking room to a preset time, taking out the phyllostachys pubescens strips, and completing the carbonization process of the phyllostachys pubescens strips;
s10, placing the phyllostachys pubescens sticks in a stacking rack, placing the stacking rack in a curing area, and completing carbonization and drying preparation work of the phyllostachys pubescens sticks.
2. The phyllostachys pubescens carbonization and drying preparation method of claim 1, wherein in the step S1, the phyllostachys pubescens strips are 5 mm to 10 mm thick.
3. The phyllostachys pubescens carbonization and drying preparation method of claim 2, wherein in step S2, the carbonization furnace is started to reach 60 ℃, and the phyllostachys pubescens strip carbonization time is 70-90 minutes.
4. The phyllostachys pubescens carbonization and drying preparation method as claimed in claim 3, wherein in step S3, the internal pressure of the carbonization furnace reaches 110MPA to 130MPA, and the carbonization furnace opens the drain valve for 80 minutes to 90 minutes.
5. The phyllostachys pubescens carbonization and drying preparation method of claim 4, wherein in the step S5, the opening temperature of the baking room is 50 to 70 ℃, and the time for baking the phyllostachys pubescens strips in the baking room is 50 to 70 minutes.
6. The phyllostachys pubescens carbonization and drying preparation method of claim 5, wherein in step S7, after the carbonization furnace is started to reach 45 to 48 ℃, the carbonization furnace starts an air inlet valve, the internal pressure of the carbonization furnace reaches 110 to 130MPA, and the phyllostachys pubescens strips are carbonized for the second time for 40 to 50 minutes.
7. The phyllostachys pubescens carbonization and drying preparation method of claim 6, wherein in the step S8, the phyllostachys pubescens strips are carbonized for the second time by the carbonization furnace for 40 to 50 minutes, then the carbonization furnace opens a drain valve for 45 minutes, and the phyllostachys pubescens strips are taken out and cooled to normal temperature.
8. The phyllostachys pubescens carbonization and drying preparation method of claim 7, wherein in the step S9, the phyllostachys pubescens strips at normal temperature are placed in a baking room, the baking room is opened to 48-50 ℃, and the phyllostachys pubescens strips are baked in the baking room for 30-50 minutes.
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