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Method for preparing bamboo beam columns

A technology of bamboo beams, columns and bamboo chips, which is applied in the directions of manufacturing tools, mechanical equipment, reed/straw treatment, etc., can solve the problems of bulky structure, poor environmental protection performance, high density of reconstituted bamboo, etc., and achieves low preparation cost, low price, easy to get effect

Active Publication Date: 2017-05-10
浙江业友机械有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] As a building material with a long history, bamboo cannot be used as a structural part of the main beam and column of a large house due to the limitation of its biological structure. Its excellent natural and environmental protection properties have not been widely used in high value-added building materials. good use
The construction economy of bamboo is very good, and the regeneration speed of bamboo is very fast. Its absorption of carbon dioxide is four times faster than that of ordinary trees. At the same time, it has good elastic-plastic properties and impact resistance. Metal material, but the stress effect of raw bamboo is similar to that of a slender shaft, so it can only be used in relatively simple buildings such as bungalows. Obtained by recombining with adhesives (phenolic glue, etc.) 3 ), poor environmental performance, and at the same time, the obtained bamboo structure cannot produce hollow bamboo building structures, resulting in waste of materials
Therefore, its application in the construction and furniture industry is not only limited by the loss of environmental performance of bamboo boards, which directly affects the later development and utilization, but also limited by the heavy structure (such as the currently used recombined bamboo beds and furniture), which is difficult to meet the practical requirements. sex, economy and other requirements

Method used

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  • Method for preparing bamboo beam columns

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preparation example Construction

[0036] A kind of preparation method of bamboo beam column of the present invention, this preparation method specifically comprises following operation steps: (1), choose bamboo material: select 5~8 years old moso bamboo or giant dragon bamboo for use; (2), saw and cut bamboo strips: The selected bamboo is sawed and cut into bamboo tubes with a length of 3 to 8 meters, and then the bamboo tubes are sliced ​​according to the requirements, and divided into long and wide strips of bamboo; (3), removing useless substances: the strips of bamboo obtained Remove bamboo green and bamboo yellow, and then place the bamboo slices after removing bamboo green and bamboo yellow into 0.2 to 1% hydrogen peroxide solution (that is, 0.2 to 1% hydrogen peroxide in the hydrogen peroxide solution) for cooking, and the bamboo chips and hydrogen peroxide solution The mass ratio is 1:3~5, the cooking temperature is 100℃~180℃, and the cooking pressure is 1~5kg / cm 2 , cooking time is 3~6 hours, after co...

Embodiment 1

[0040] Embodiment 1 prepares cylindrical bamboo beam column

[0041] Select 5-8 year old moso bamboo or Julong bamboo for standby; saw the selected bamboo into bamboo tubes with a length of 3-8 meters, and then slice the bamboo tubes according to the needs, and divide them into long strips of required length and width; The obtained long strips of bamboo chips are processed to remove bamboo green and bamboo yellow, and then the bamboo chips after removing bamboo green and bamboo yellow are placed in a solution containing 0.5% hydrogen peroxide for cooking, and the mass ratio of bamboo chips to hydrogen peroxide solution is 1:4, Cooking temperature 180°C, cooking pressure 3kg / cm 2 , the cooking time is 5 hours, after cooking, drain and put into a drying room to dry until the moisture content of the bamboo slices is 6%), stand-by; the cooked and dried bamboo slices are sliced ​​into shapes that cooperate with each other, and then each bamboo slice 11 Woven into bamboo chain 1 (s...

Embodiment 2

[0042] Embodiment 2 prepares the bamboo beam column of square column shape

[0043] Select 5-8 year old moso bamboo or Julong bamboo for standby; saw the selected bamboo into bamboo tubes with a length of 3-8 meters, and then slice the bamboo tubes according to the needs, and divide them into long strips of required length and width; The obtained long strips of bamboo chips are processed to remove bamboo green and bamboo yellow, and then the bamboo chips after removing bamboo green and bamboo yellow are placed in a solution containing 0.2% hydrogen peroxide for cooking, and the mass ratio of bamboo chips to hydrogen peroxide solution is 1:5, Cooking temperature 150°C, cooking pressure 1kg / cm 2 , the cooking time is 6 hours, after cooking, drain and put it into a drying room to dry until the moisture content of the bamboo slices is 8%, and set aside; cut the steamed and dried bamboo slices into shapes that match each other, and then each bamboo slice 11 Woven into bamboo sheet...

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Abstract

The invention provides a method for preparing bamboo beam columns. The method includes the steps that a piece of bamboo wood is selected; selected bamboo is sawed into a bamboo tube with the length being 3-8m, and then splitting is performed as required so that long-bar-shaped bamboo chips can be obtained; the long-bar-shaped bamboo chips are subjected to bamboo green and bamboo inner skin removing treatment; then the bamboo chips subjected to bamboo green and bamboo inner skin removing treatment are placed into a solution containing 0.2%-1% of hydrogen peroxide for cooking, and the bamboo chips are drained off after being cooked and placed into a drying shed to be dried; afterwards, the bamboo chips are subjected to shaping, glue dipping, blank formation and glue replenishing so that preliminarily-formed hollow bamboo columns can be obtained; the preliminarily-formed hollow bamboo columns are mold-filled, heated and cured, and the heated and cured bamboo columns are placed in a normal pressure and temperature environment for nourishing, so that internal stress is removed; then a center winding rod is drawn out of the middle part of each bamboo column; and finally, a mold is opened to take out each bamboo column, and the bamboo columns taken out refer to complete and hollow bamboo beam columns. The bamboo beam columns prepared through the method enable the environmental protection performance of the bamboo wood to be reflected maximally in construction, and meanwhile the basic requirements of large-sized housing construction beam columns can be met.

Description

[0001] 【Technical field】 [0002] The invention belongs to the field of building materials, and in particular relates to a preparation method of bamboo beams and columns. [0003] 【Background technique】 [0004] As a building material with a long history, bamboo cannot be used as a structural part of the main beam and column of a large house due to the limitation of its biological structure. Its excellent natural and environmental protection properties have not been widely used in high value-added building materials. good use. The construction economy of bamboo is very good, and the regeneration speed of bamboo is very fast. Its absorption of carbon dioxide is four times faster than that of ordinary trees. At the same time, it has good elastic-plastic properties and impact resistance. Metal material, but the stress effect of raw bamboo is similar to that of a slender shaft, so it can only be used in relatively simple buildings such as bungalows. Obtained by recombining with a...

Claims

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Application Information

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IPC IPC(8): B27J1/00B27J1/02B27K5/00B27K3/04B27K3/52B27K9/00
CPCB27J1/00B27J1/02B27K3/04B27K3/52B27K5/001B27K5/007B27K9/002
Inventor 姚文斌夏旭光
Owner 浙江业友机械有限公司
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