CN1185086C

CN1185086C - Bamboo fibres and preparing process thereof

Info

Publication number: CN1185086C
Application number: CNB011071397A
Authority: CN
Inventors: 曹玉海; 冯锦江; 廖晓海; 刘毅红; 蒋天翔
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-02-19
Filing date: 2001-02-19
Publication date: 2005-01-19
Anticipated expiration: 2021-02-19
Also published as: CN1302718A

Abstract

The present invention relates to a processing technique for the preparation of a bamboo fiber of which the diameter is between 0.04 millimeter to 0.5 millimeter and the length is longer than 10 millimeters, which takes fascicle bamboos as raw materials. The present invention has the purpose of providing a bamboo fiber board raw material which can replace wood, and a manufacture method is composed of the following procedures: raw material pretreatment, bamboo fiber manufacture and bamboo fiber post treatment. The present invention is characterized in that the bamboo fiber manufacture procedure is orderly composed of the following procedures: cold rolling pressure, water boiling immersion, dehydration and fibre combing manufacture. The present invention has the advantages of simple technology, low production cost, no environmental pollution, etc. Additionally, bamboo fiber board and a profile can be manufactured by the way that a bamboo fiber is taken as a base material, the bamboo fiber board and the profile can replace wood and products thereof, can be used as filtration, sound absorption and heat insulating materials, and can be widely used in industries such as building packing and furniture packing.

Description

The bamboo fibre that thin bamboo fiber processing method and this method obtain

Technical field

The present invention relates to a kind of bamboo fibre product and manufacture method thereof, definitely say so and a kind ofly utilize regeneration period short, the fast bamboo of clustering of breeding growth to be raw material, produce diameter at 0.04 millimeter to 0.1 millimeter, length commercial run greater than 10 millimeters natural bamboo fibres product.

Background technology

Countries in the world are all paid close attention to the protection of environment for human survival more at present; particularly limit the felling of forest; along with the wood supply amount in a large amount of minimizings; growing population increases the timber requirement; improve timber utilization rate, to develop other substitution of resources timber resources more and more urgent, various research and developments are all being attempted and are in depth being carried out.For example products such as the fiberboard made of particieboard, thick particle board, particle board, crops bar stem, macromolecule organic, metal are applied in industries such as building industry, furniture manufacturing industry, packaging material.The bamboo class is a kind of important industrial resources, and universal use is as making furniture, building materials, artwork ornaments and daily life tools, and deeper development and use are still among research.As the building materials aspect, can make the bamboo laminate now, and be base stock with the bamboo fibre, the technology of making bamboo fibre sheet material replacing wood also is mature on the whole.Yet the extraction of bamboo fibre is made still in the primary stage, and with the thin bamboo fibre of chemical method making, containing chemicals is not desirable environment-friendly products at present.

Summary of the invention

The objective of the invention is to: provide a kind of as the building materials raw material, diameter at 0.04 millimeter to 0.1 millimeter, length greater than pure natural bamboo fibre goods and manufacture method thereof 10 millimeters, that do not contain chemical reagent.

The objective of the invention is to realize by the enforcement following technical proposals:

A kind of processing method of thin bamboo fibre, produce operation and the bamboo fibre postprocessing working procedures is formed by bamboo raw material pretreatment procedure, bamboo fibre, operation comprises cold rolling and the sub-operation of dewatering and bamboo fibre is produced, it is characterized in that: between cold rolling and the sub-operation of dehydration, also have poach to soak sub-operation, after the sub-operation of dehydration, also have the sub-operation of comb system fiber; It is to press the book bamboo chip that anhydrates through rolled by cold rolling machine, to put into 100 ℃ ± 5 ℃ water and boil and soak, to carry out the sub-operation of desugar, degreasing, sterilization that poach soaks sub-operation; The sub-operation of comb system fiber is the bamboo fibre that will finish after the sub-operation of dehydration, with putting down a machine its comb is made diameter in 0.04～0.1 millimeter, the length sub-operation of thin bamboo fibre greater than 10 millimeters.Bamboo raw material pretreatment procedure includes: debranching joint, taper, select materials, the sub-operation of material all in one piece of measured length, the sub-operation of system bamboo chip of splitting thick bamboo tube system bamboo chip, remove ring, go the dead bamboo of bamboo chip internal layer go the inner-electron operation; The sub-operation of cold rolling is that bamboo chip is pressed into the book bamboo chip that anhydrates with rolled by cold rolling machine; Book bamboo chip after poach soaks in the sub-operation roll compacting that needs to cold pressing boils in 100 ℃ ± 5 ℃ water and is dipped into few 20 minutes, and the bamboo chip of facing a charge carries out desugar, degreasing, sterilization processing and becomes bamboo fibre; The sub-operation of dewatering is the bamboo fibre that will boil after soaking, and dehydrates processing with machinery; The bamboo fibre postprocessing working procedures comprises: dry, sieve changes and checks each sub-operation; Wherein dry sub-operation is that the bamboo fibre silk that is obtained by the sub-operation of comb system fiber is carried out drying, makes its moisture content be lower than 10%; Screen sub-operation and be the dried bamboo fibre silk of screening, remove short fiber and bamboo powder, make finished product bamboo fibre silk content reach qualification rate more than 92%.

The bamboo fibre feature of Huo Deing is according to the method described above: diameter be 0.04～0.1 millimeter, length greater than 10 millimeters, do not contain the pure natural bamboo fibre goods of chemical reagent.

The invention has the advantages that: 1), reasonably utilized the reproduction characteristics of the bamboo of clustering, positive role is arranged aspect preserving the ecological environment owing to use the bamboos of clustering such as thatch bamboo, Mianzhu to be raw material; 2) be base stock with bamboo fibre, add an amount of binding agent, filler, flame-retardant additive, can produce bamboo fiberboard and goods thereof, energy replacing wood and goods thereof; 3) this manufacturing process is pure physical technology, does not contain chemicals in the bamboo fibre, bamboo fibre and goods non-environmental-pollution thereof; 4) technology of the present invention is simple, production cost is low, be convenient to popularization.

Description of drawings

Fig. 1 has provided bamboo fibre technological process of production figure of the present invention

The specific embodiment

Below in conjunction with Fig. 1 the particular content that production process of the present invention comprises is described:

1. material all in one piece operation: promptly be with raw material bamboo debranching joint, remove taper, utilize the bamboo diameter to be sawn into the fixed length thick bamboo tube greater than 4 centimetres part;

2. make the bamboo chip operation: promptly be to hit on the bamboo machine or the manual bamboo chip that thick bamboo tube is split into the certain size scope;

3. go the internal layer operation: promptly be to remove the few interior layer segment of fiber content on interior ring and the bamboo chip;

4. cold rolling operation: promptly be with the cold rolling book bamboo chip that anhydrates that is pressed into of bamboo chip;

5. poach soaks operation: promptly be with the book bamboo chip after the cold rolling, boil in 100 ± 5 ℃ water and soak that carry out desugar, degreasing, sterilization, the time is no less than 20 minutes, becomes bamboo fibre;

6. dehydration procedure: will boil the bamboo fibre after soaking, and handle with mechanical dehydration is dry;

7. comb is made the bamboo fibre operation: with putting down silk machinery the bamboo fibre comb is made the bamboo fibre silk;

8. drying process: bamboo fibre silk drying is made it moisture content be lower than 10%;

9. screening process: the bamboo fibre silk of drying is screened, remove short bamboo fibre and bamboo powder, make diameter account for more than 92% of gross weight greater than 10 millimeters bamboo fibre silk at 0.04 millimeter to 0.1 millimeter, length, through the packing that is up to the standards, industrial bamboo fibre product.Make base stock with bamboo fibre of the present invention, add bamboo fibre sheet material and goods thereof that an amount of binding agent, filler, flame-retardant additive etc. are produced, can instead of wood plate and goods thereof.Approximate with method of processing wooden piece aspect processing technology, and have better mechanical mechanics property than woodwork, the against weather height, be subjected to temperature, that humidity changes the distortion that causes is little, production cost is lower, goes back the hot pressing moulding.Bamboo fibre also can be done filtration, sound-absorbing, heat-barrier material use.Bamboo fiber products has extensive use in industries such as building, furniture, packings.Because the present invention is to be raw material with the bamboo of clustering, reasonable use the characteristics of the bamboo reproduction of clustering fell, therefore aspect preserving the ecological environment, play important positive role.

Claims

1, a kind of processing method of thin bamboo fibre, produce operation and the bamboo fibre postprocessing working procedures is formed by bamboo raw material pretreatment procedure, bamboo fibre, operation comprises cold rolling and the sub-operation of dewatering and bamboo fibre is produced, it is characterized in that: between cold rolling and the sub-operation of dehydration, also have poach to soak sub-operation, after the sub-operation of dehydration, also have the sub-operation of comb system fiber; It is to press the book bamboo chip that anhydrates through rolled by cold rolling machine, to put into 100C ± 5C water and boil and soak, to carry out the sub-operation of desugar, degreasing, sterilization that poach soaks sub-operation; The sub-operation of comb system fiber is the bamboo fibre that will finish behind the dehydration procedure, with putting down a machine its comb is made diameter in 0.04～0.1 millimeter, the length sub-operation of thin bamboo fibre greater than 10 millimeters.

2, a kind of bamboo fibre that obtains by the described method of claim 1 is characterized in that: it be a kind of diameter be 0.04～0.1 millimeter, length greater than 10 millimeters, do not contain the pure natural bamboo fibre goods of chemical reagent.