CN103509581A - High-efficiency environment-friendly value-added utilization method of bamboo sawdust - Google Patents

Abstract

The invention discloses a high-efficiency environment-friendly value-added utilization method of bamboo sawdust, and is used for overcoming the defects that because the conventional bamboo sawdust is abandoned, landfilled and incinerated, the environment is polluted, contents of the bamboo sawdust cannot be fully used resulting in a waste of resources, and bamboo processing benefits are affected. The utilization method comprises the steps: distilling the bamboo sawdust to obtain a bamboo sawdust oil gas and deoiling bamboo sawdust; separating the bamboo sawdust oil gas to obtain a bamboo oil, filling the deoiling bamboo sawdust into a carbonization furnace for heating to carbonize, and thus obtaining a bamboo carbonized substance and flue gas; and collecting the bamboo carbonized substance to prepare a bamboo charcoal powder, collecting the flue gas, cooling, separating, and purifying to obtain tar and fuel gas. The utilization method is mainly used for the bamboo sawdust, bamboo end heads, bamboo leftover materials and the like, and can also be used for other wood chips and similar materials; each ton of the bamboo sawdust can be profited with 2500 yuan, the value is added by more than 4 times, and the amount of less emission of carbon and other pollutants is about more than 0.005 ton. The bamboo processing benefit is increased by 10%, the utilization efficiency of bamboo resources is increased by 15%, at the same time, environmental pollutions caused by incineration and landfill of the bamboo sawdust are avoided, the cost is low, the practicability is strong, and the benefit is remarkable.

Description

The high-efficiency environment friendly increment of bamboo bits utilizes method

Technical field

The present invention relates to a kind of method of utilizing of bamboo processed side product bamboo bits, the high-efficiency environment friendly increment that is specially a kind of bamboo bits utilizes method.

Background technology

The bamboo processing such as mao bamboon have produced a large amount of Zhu Xie,Zhu terminations and bamboo scrap stock, existing utilize method be burn, abandon, landfill, or as boiler oil etc., its weak point is that bamboo bits burn and produce a large amount of flue gases, contaminate environment, multiple beneficial composition in bamboo bits is burnt in vain or is abandoned, cause the wasting of resources, the utility value of bamboo is excavated not, affects the raising of taping the latent power of bamboo processing benefit.And regrettably, preliminary result for retrieval shows, also not yet find that at present the high-efficiency environment friendly increment of bamboo bits utilizes method both at home and abroad.

Summary of the invention

Object of the present invention is exactly for above-mentioned deficiency, provide a kind of high-efficiency environment friendly increment of bamboo bits to utilize method, it can utilize the heterogeneity in bamboo bits to produce multiple product, making bamboo bits obtain efficient increment utilizes, the benefit of bamboo processing is improved, the utilising efficiency of bamboo resource improves, the environmental pollution of simultaneously avoiding the burning of bamboo bits, landfill etc. to cause, and it utilizes, and cost is low, practical, remarkable benefit.

For achieving the above object, technical scheme of the present invention is that the high-efficiency environment friendly increment of these bamboo bits utilizes method to comprise the steps:

A, by bamboo bits distillation, obtain bamboo bits oil gas and de-oiling bamboo bits;

B, consider bamboo to be worth doing gas-oil separation, obtain vinifera palm oil, de-oiling bamboo bits are packed in charring furnace and heat charing, obtain bamboo charcoal compound, flue gas;

C, collection bamboo charcoal compound are made bamboo charcoal powder, and collection flue gas is cooling, separated, purification, obtains tar, combustion gas.

The Zhu Xie,Zhu termination that the present invention abandons existing burning, landfill, bamboo scrap stock etc., according to its shape and composition characteristic, first distill, then carry out gas-oil separation, extract vinifera palm oil, then de-oiling bamboo bits etc. are carried out to charing, make bamboo charcoal powder, simultaneously separated and collected tar, combustion gas etc.

The present invention carries out charing by the de-oiling bamboo bits that extract vinifera palm oil, gained bamboo charcoal compound can further be processed into gac or the industrial carbon powder that value is very high, and the flue gas that carbonization process is produced is through dedusting, cooling, separation can obtain being worth very high industrial tar, the flue gas again charing being produced is further washed cooling and purifying and can be obtained combustion gas, powdered carbon wherein, tar is to be worth very high essential industry raw material, and combustion gas wherein can be for the required fuel of heating charing, make bamboo bits utilize cost greatly to reduce, whole technological process comprehensive utilization value increasing, without discharge, produce, making bamboo bits obtain fully comprehensive increment utilizes, not only do not produce environmental pollution, and increment at double.

Gained vinifera palm oil of the present invention, has no side effect, and is medicine, eats dual-purpose natural beverage, valency 8000-10000 per ton unit, and it is sweet in flavor and cold in property, and the fire of the lung stomach that can clear away heart-fire has that open-minded phlegm is moisturized, the effect of arresting convulsion.Often drink in Huaihua Yi Dai forest zone, the western Hunan, is used for the treatment of apoplexy phlegm fan, and lung heat phlegm is stopped up, infantile convulsion, epilepsy, high fever polydipsia, restlessness during pregnancy, tetanus etc., hoodwink clearly key, phlegm to the yellow thickness of phlegm heat cough, phlegm, phlegm heat and hanker wind, the strong hemiplegia of tongue, infantile convulsion, tic of the limbs and have good therapeutic effect.

Gained bamboo charcoal powder of the present invention is high-quality powdered carbon, and valency 4000-5000 per ton is first

Gained tar of the present invention is important industrial chemicals, and valency 3000-4000 per ton is first

Gained combustion gas of the present invention is high-grade fuel, every cubic metre of 10-12 unit

Test-results of the present invention shows, 4-4.5 ton bamboo bits can produce 2 tons of bamboo charcoal powder, 0.1 ton of vinifera palm oil, 0.35 ton, tar, combustion gas 80m3 and (can be used as charing fuel, can meet bamboo bits charing needs, make bamboo bits utilize cost greatly to reduce), bamboo bits per ton can be made a profit more than 2500 yuan, increment more than 4 times, is discharged the pollutents such as charcoal more than approximately 0.005 ton less.

The present invention is mainly used in Zhu Xie,Zhu termination and bamboo scrap stock etc., also can be for other wood chips and analogous material, it can utilize the heterogeneity in bamboo bits to produce multiple product, making bamboo bits obtain efficient increment utilizes, make the benefit of bamboo processing improve 10%, the utilising efficiency of bamboo resource improves 15%, the environmental pollution of simultaneously avoiding the burning of bamboo bits, landfill etc. to cause, and it utilizes, and cost is low, practical, remarkable benefit.

Specific embodiments

Embodiment 1

The bamboo bits of mao bamboon of take are raw material, and the high-efficiency environment friendly increment of bamboo bits of the present invention utilizes method to comprise the steps:

A, by the conventional distillation of bamboo bits, obtain bamboo bits oil gas and de-oiling bamboo bits;

B, consider bamboo to be worth doing oil gas and import condenser, Separation of Water, collects vinifera palm oil, and de-oiling bamboo bits are packed in charring furnace and heat charing, obtains bamboo charcoal compound, flue gas;

C, collection bamboo charcoal compound are made bamboo charcoal powder or gac, and flue gas, through dedusting, cooling, separated, purification, obtains tar, combustion gas.

The high-efficiency environment friendly increment that above-mentioned steps is also applicable to wood chip and other similar substances utilizes.

Bamboo bits have certain permeability, bamboo bits can be put into steaming device normal pressure and steam extremely substantially without till vinifera palm oil outflow.The vapour inlet of this steaming device is towards the bottom surface of steaming device, and steam input unit is installed on the wall of lower three/part of steaming device, distills so relatively good.

De-oiling bamboo bits are packed into and in charring furnace, heat charing, its principle is equivalent to traditional burning charcoal, the flue gas producing during just by charing is derived and is carried out dedusting, cooling, separated, purification, can use water-cooling dust separation purifier to carry out dedusting, cooling, separated, purification.

Claims (1)

1. the high-efficiency environment friendly increment of bamboo bits utilizes a method, it is characterized in that, it comprises the steps:

A, by bamboo bits distillation, obtain bamboo bits oil gas and de-oiling bamboo bits;

B, consider bamboo to be worth doing gas-oil separation, obtain vinifera palm oil, de-oiling bamboo bits are packed in charring furnace and heat charing, obtain bamboo charcoal compound, flue gas;

C, collection bamboo charcoal compound are made bamboo charcoal powder, and collection flue gas is cooling, separated, purification, obtains tar, combustion gas.