CN1401779A

CN1401779A - Process for preparing bamboo vinegar liquid

Info

Publication number: CN1401779A
Application number: CN 02142381
Authority: CN
Inventors: 柴金旺; 刘志坤; 王一兵
Original assignee: TIANMU TIANYUAN INDUSTRIAL Co Ltd LIN'AN
Current assignee: TIANMU TIANYUAN INDUSTRIAL Co Ltd LIN'AN
Priority date: 2002-09-22
Filing date: 2002-09-22
Publication date: 2003-03-12
Anticipated expiration: 2022-09-22
Also published as: CN1237180C

Abstract

A process for preparing bamboo vinegar liquid from the bamboo leftover includes crushing, fermenting for 10-12 hr to make its temp reach 40-50 deg.C, dry distilling at 110-130 deg.C for 4.5-5 hr, collecting liquid, natural settling for 40-60 days, adsorbing light tar, settling heavy tar, filtering, and removing color and alcohol. Its advantages are short period, and high output and quality.

Description

The preparation method of bamboo vinegar liquid

Technical field

The present invention relates to a kind of preparation method who utilizes the bamboo wood tankage to produce bamboo vinegar liquid through pyrolysis for raw material.

Background technology

Bamboo vinegar liquid has high absorbability, and effects such as deodorizing, sterilization are arranged, and can be used as soil fungicides, plant growth promoter, odor scavenging agent, and can be used for exploitation beauty treatment, skin makeup article, so that be used for the treatment of diabetes etc.This product is still the volatile matter that produces when earth kiln burns bamboo charcoal and is collected generation at present, be to be used as the byproduct of firing bamboo charcoal, therefore not only yield poorly, and because of the firing time of a stove reaches 23 days, the production time is long, again because the fuel of firing in the bamboo charcoal process is timber, not only destroy ecotope, and produce wood vinegar, and wood vinegar is difficult to separate with bamboo vinegar liquid, directly influence the component and the character of bamboo vinegar liquid, thereby influence the effective ingredient of bamboo vinegar liquid.

Summary of the invention

The preparation method who the purpose of this invention is to provide a kind of bamboo vinegar liquid, it has not only shortened the production time of bamboo vinegar liquid, and its output, effective ingredient and quality are higher.

For achieving the above object, technical scheme of the present invention be with bamboo bits, to slight bamboo wood tankage such as sheet be raw material, characteristics are: 1), the bamboo wood tankage are pulverized, stack fermentation 10-12 hour, make it reach 40-50 ℃ temperature; 2), put into the retort destructive distillation 4.5-5 hour, according to the thick level of parameter request classification collection mixed solution, thermostatic control when pyrolysis temperature reaches 110-130 ℃; 3), will the natural sedimentation of thick level mixed solution 40-60 days, absorption tar light oil, precipitation tar heavy oil obtain raw liquid of bamboo vinegar after filtration, carry out decoking oil decolorization and dealcoholysis through distillation again, then the high purity refined bamboo vinegar.

Preferably 130 ℃ of described pyrolysis temperatures.

Used thermal source preferably is fuel with the bamboo wood in the retort process.

Adopt the production time of its thick level mixed solution of bamboo vinegar liquid of the present invention's preparation to shorten to 5 hours from 23 days, fermentation procedure increases output and effective ingredient greatly, the rate ratio scholar kiln of per hundred kilograms of raw materials increases by 900%, and the bamboo charcoal that produces still can utilize the nothing waste, and the effective ingredient of the bamboo vinegar liquid of earth kiln refining is only 28 kinds after testing, and adopts the effective ingredient of the bamboo vinegar liquid of the present invention's preparation to reach 59 kinds.

Embodiment

Embodiment one: get 100 kilograms of bamboo wood tankage, be broken to Powdered, about 10 hours to 60 ℃ of spontaneous fermentation, put into the retort sealing, with the bamboo wood tankage is the even pyrolysis of fuel 5 hours, is the generation that fuel can be avoided wood vinegar with the bamboo wood, has unique sootiness fragrance again; Then according to the different parameters requirement, collect the thick level mixed solution of bamboo vinegar liquid by the differing temps classification, after being raised to 80 ℃, temperature begins to collect, the acetic acid content of this moment is 2%-3%, when being raised to 10 ℃, temperature carries out thermostatic control by infrared thermometry, temperature is controlled at 110-130 ℃ as far as possible for a long time, the acetic acid content of the bamboo vinegar liquid that obtain this moment is at 5%-7%, pH value is at 2.5-3, and the yield of bamboo vinegar liquid is the highest under this temperature range, the content of effective ingredient is also high, and the acetic acid content of bamboo vinegar liquid can reach 7%-8% when temperature reaches 150-170 ℃, and pH value is at 2.5-3; With thick grade of mixed solution natural sedimentation of above bamboo vinegar liquid 60 days by different parameters requirement classification collection, absorption tar light oil, precipitation tar heavy oil, obtain raw liquid of bamboo vinegar through centrifuging again, carry out decoking oil decolorization and dealcoholysis through distillation again, then get the high purity refined bamboo vinegar.

Embodiment two: get 100 kilograms of bamboo wood tankage, be broken to Powdered, about 12 hours to 50 ℃ of spontaneous fermentation, put into the retort sealing, with electricity or steam is thermal source even heating 4.5 hours, and pyrolysis temperature is controlled at 130 ℃, the thick level of resulting bamboo vinegar liquid mixed solution acetic acid content at 5-7%, pH value at 2.5-3, will the natural sedimentation of thick level mixed solution after at least 40 days, make the high purity refined bamboo vinegar by the method for embodiment one.

Claims

1, a kind of preparation method of bamboo vinegar liquid, it with bamboo bits, to slight bamboo wood tankage such as sheet be raw material, it is characterized in that:

1), the bamboo wood tankage are pulverized, stacks fermentation 10-12 hour, make it reach 40-50 ℃ temperature;

2), put into the retort destructive distillation 4.5-5 hour, according to the thick level of parameter request classification collection mixed solution, thermostatic control when pyrolysis temperature reaches 110-130 ℃;

3), will the natural sedimentation of thick level mixed solution 40-60 days, absorption tar light oil, precipitation tar heavy oil obtain raw liquid of bamboo vinegar after filtration, carry out decoking oil decolorization and dealcoholysis through distillation again, then the high purity refined bamboo vinegar.

2, the preparation method of bamboo vinegar liquid according to claim 1 is characterized in that preferably 130 ℃ of described pyrolysis temperatures.

3, the preparation method of bamboo vinegar liquid according to claim 1 and 2.It is characterized in that used thermal source is a fuel with the bamboo wood tankage preferably in the retort process.