CN1631628A

CN1631628A - Bamboo carbonization method

Info

Publication number: CN1631628A
Application number: CN 200410091588
Authority: CN
Inventors: 郑兴福; 郑修昌; 周建峰
Original assignee: 郑兴福
Priority date: 2004-11-22
Filing date: 2004-11-22
Publication date: 2005-06-29
Anticipated expiration: 2024-11-22
Also published as: CN100355542C

Abstract

The invention relates to bamboo processing field especially to bamboo carbonizing coloring method. The method is that dip clean bamboo in clean water so to remove the organic matter in the bamboo and then dry out the bamboo at the temperature of 60 to 160 deg. C for 12 to 60 hours. Carbonize the bamboo in the carbonizing furnace in a vacuum circumstance at 200 to 600 deg. C for 10 to60 hours. Finally polish the carbonized bamboo. The devices adopted in the invention is carbonizing furnace with is able to evacuate inside so to prevent the bamboo from cracking, plus, the polisher head should be soft in order not to crack the carbonized bamboo. The bamboo color processed with this technique can be white, light yellow, bronze, brown, and copper.

Description

The method of bamboo carbonization

Technical field

The invention belongs to the bamboo manufacture field, particularly the method for bamboo carbonization.

Background technology

Bamboo is an indispensable material, bamboo and people's clothing, food, lodging and transportion--basic necessities of life are closely related, and bamboo grove is called second forest, makes full use of bamboo resource, promote the well-being of mankind is that the common problem of inquiring into of current domestic and international expert, especially bamboo dyeing are the important topics of current domestic and international expert's research.

At present the dyeing to bamboo almost is blank, and charing dyeing is blank especially, is beneficial to the chemicals neither environmental protection of dyeing, even can residual harmful gas and material, if paint, has painted can decompose behind the certain hour and fade delustering.

Summary of the invention

The objective of the invention is the defective of fading easily at after the existing bamboo dyeing, the method that provides a kind of bamboo charing to become (dying) look promptly improves the ability of viewing and admiring of bamboo, improves bamboo service life and environmental protection again.

The method of bamboo carbonization of the present invention comprises that bamboo cleans decontamination, cleaning and dipping, and oven dry, charing, polishing step is specially:

(1) behind the soil release with the bamboo surface, intercept required yardstick, the purpose of this step is to remove bamboo surface blot, especially spot, and method is to wash with water or wipe with soft material, makes whole bamboo cleaning, just can reach the solid colour of whole bamboo;

(2) step (1) cleaning is clean bamboo immerses in the clear water, soaks 12～96 hours, and the water-soluble organic substance of energy that the removal bamboo contains is for bamboo reaches solid colour and light provides condition;

(3) bamboo of step (2) after soaking wiped clean, advanced drying oven (room) oven dry, bake out temperature between 60～160 degree, the time between 12～60 hours, at this moment between and dry under the temperature, bamboo can not ftracture, the moisture content of bamboo can reach below 10%;

(4) (moisture content of bamboo is below 10% with the bamboo of step (3) drying, must keep clean) send retort to and carry out charing, under vacuum state, carbonization temperature is between 200～600 degree, time is between 10～60 hours, for the versicolor needs of bamboo, temperature and time is a key point.Time as 200 degree temperature and 10 hours is white colour, and later time and temperature have been change in color.The method according to this invention, high 100 degree of temperature, 10 hours time was a kind of color, therefore selected color according to time and temperature controlling.

(5) with the bamboo of step (4) through charing, take out from retort, polish immediately, the frequency of polishing is many more, and bamboo is bright more.Polishing available cloth and polishing machine carries out.

Described bamboo comprises mao bamboon, henon bamboo, bitter bamboo, Lei Zhu, bambusa textile.

The head of the used polishing machine of the present invention must be soft, in order to avoid occur vestige in the polishing process.By method of the present invention, bamboo can reach white, and is faint yellow, bronze colour, and coffee color, coppery, bronze-colored, five kinds more than the color.Bright in color, bamboo is durable in use, does not have moth and without putrefaction, improves the bamboo value greatly.Charing does not have dimensional constraints, and whole bamboo can both charing.

Bamboo charing of the present invention becomes the method for (dying) look, and retort is crucial, and retort should possess vacuum state, and purpose is not allow bamboo ftracture in carbonization process, but stove shape without limits.Do not possess the charing of vacuum state, bamboo can ftracture in carbonization process, and whole bamboo irregular colour is even.

Method of the present invention is a kind of method that solves the bamboo quality, the very environmental protection of this method, and not only environmental protection but also reduced investment are the colors that can increase bamboo by method one of the present invention; The 2nd, can increase the service life of bamboo, because do not have moth more not to be subjected to the influence of weather and time by the bamboo after the charing, the imputrescibility unless break; The 3rd, do not subtract the abrasive resistance of bamboo and some increase; The 4th, certain adsorption capacity is arranged, if decorate in the house with the obtained bamboo of this method, can the deodorizing taste removal, play purifying air and the damping effect, a kind of quality material of pure natural is provided for house decoraton; The 5th, the color of the bamboo by method gained of the present invention is will never change colour and matting is bright; The 6th, the light of the bamboo by method gained of the present invention and color are with sharp weapon; The 7th, improve the economic interests of social benefit and bamboo farming greatly; The 8th, the charing bamboo does not have dimensional constraints, and whole bamboo can both charing.

The specific embodiment

Embodiment 1

1. get each 1 of mao bamboon, henon bamboo, bitter bamboo, Lei Zhu and bambusa textile, length is more than 4 meters, and root diameter (RD) is at 3.5～5 centimeters, 1.7～2.2 centimeters of small-end diameters, and surface blot uses cloth to wipe with; Arbitrarily above-mentioned 5 kinds of bamboos are intercepted into 20 centimeters, 50 centimeters, 110 centimeters, 220 centimeters long respectively four sections, totally 20 sections in five bamboos, following step is one group with four sections bamboos of different length, is divided into five groups of enforcements.

2. these five groups of bamboos are immersed in clear water, soaked respectively 2 hours, 24 hours, 48 hours, 72 hours and 96 hours, pull out and wipe clean, the water after soaking bamboo becomes very light very light faint yellow, illustrates that therefore the water-soluble material in the bamboo has soaked out.

3. will put into drying oven respectively through five groups of bamboos after soaking.

First group drying oven temperature is 60 ℃, and the time of baking is 60 hours, and taking out back detection moisture content is 9.7%:

Second group drying oven temperature is 80 ℃, and the time of baking is 48 hours, and taking out back detection moisture content is 9.5%;

The 3rd group drying oven temperature is 100 ℃, and the time of baking is 36 hours, and taking out back detection moisture content is 9.0%;

The 4th group drying oven temperature is 120 ℃, and the time of baking is 24 hours, and taking out back detection moisture content is 8.9%;

The 5th group drying oven temperature is 160 ℃, and the time of baking is 12 hours, and taking out back detection moisture content is 5.7%;

4. put five groups of bamboos of drying into rotary furnace respectively and carry out charing, rotary furnace is a vacuum state.200 ℃ of first group of carbonization temperatures took out during time to 10 hour, erased surperficial oil stain, and bamboo becomes white.The bamboo that takes out under this temperature is exactly the very big fire of present export volume hundred bamboos, then this group bamboo is reentered into retort charing 10 hours again, 300 ℃ of temperature, and the bamboo color of taking-up is faint yellow.Second group bamboo is to 400 ℃ of temperature, 30 hours time took out, and the bamboo color is bronze, and the 3rd group bamboo is to 500 ℃ of temperature, 40 hours time took out, the bamboo color is coffee-like, and the 4th group bamboo is to 600 ℃ of temperature, and 50 hours time took out, the bamboo color is bronze-colored, the 5th group bamboo is to 600 ℃ of temperature, and 60 hours time took out, and the bamboo color is a coppery.Then the 5th group bamboo is put into retort again, temperature rises to 620 ℃, and the time, bamboo ftractureed less than 1 hour.Carbonization temperature is described below 600 ℃, the time is can access required color below 60 hours.

5. will polish with cloth through the bamboo of above step, the result with polish shoes equally, wipe brightly more more, also be such ideal with the polishing machine polishing effect.

Embodiment 2

Get 5 kinds of different types of bamboos of embodiment 1, the bamboo of whole bamboo and different length sizes is implemented in vertical heater, horizontal chamber furnace (oven) respectively, and described vertical heater, horizontal chamber furnace (oven) are the oxygen barrier vacuum states, method and process conditions are with embodiment 1, and the bamboo effect that the result comes out is very good equally.

Comparing embodiment 1

Get 5 kinds of different types of bamboos of embodiment 1, implement in vertical heater, horizontal chamber furnace (oven) and rotary furnace respectively, condition is with embodiment 1, but is not vacuum state in the stove, and all as a result bamboo crackings are implemented failure.

Claims

1. the method for a bamboo carbonization comprises that bamboo cleans decontamination, cleaning and dipping, and oven dry, charing, polishing step is characterized in that, the step of this method is:

(1) will clean clean bamboo and immerse in the clear water, soak 12～96 hours, remove the water-soluble organic substance of energy that bamboo contains;

(2) bamboo of step (1) after soaking wiped clean, oven dry, bake out temperature is between 60～160 degree, and the time is between 12～60 hours;

(3) send the bamboo of step (2) drying to retort and carry out charing, under vacuum state, carbonization temperature is between 200～600 degree, and the time is between 10～60 hours;

(4) with the bamboo of step (3), from retort, take out, polish immediately through charing.

2. method according to claim 1 is characterized in that: described bamboo comprises mao bamboon, henon bamboo, bitter bamboo, thunder bamboo or bambusa textile.

3. method according to claim 1 is characterized in that: the moisture content of the bamboo after the described oven dry is below 10%.