Method for firing high-density bamboo charcoal by using medium-small diameter bamboos

Abstract

The invention relates to a method for firing high-density bamboo charcoal by using medium-small diameter bamboos, comprising the following steps of: selecting a carbonization furnace, such as a multitubular moving bed destructive distillation carbonization furnace and the like which have controllable temperate of different stages of charcoals and achieve the temperature of high-temperature areas at 1000 DEG C and are provided with sealing areas at the lower parts of carbonization furnaces near charcoal outlets, for firing; splitting and cutting a bamboo wood, and then placing into the carbonization furnace; then firing through the steps of smoke drying, pre-carbonization, main carbonization, calcination refining, sealing cooling, charcoal discharging, and the like, wherein the density of the bamboo charcoal reaches 0.9-1.2 g / cm<3>, and application fields are further broadened. Through adopting the method disclosed by the invention to fire the high-density bamboo charcoal, the medium-small diameter bamboos have rich raw materials and short regeneration period; other heat supply sources are almost not needed during firing; and the charcoals can be discharged after 25.5-42 hours; and in addition, the invention has short production period, high production efficiency and outstanding energy saving effect.

Description

technical field [0001] The invention relates to a method for producing charcoal by dry distillation of carbon-containing materials, in particular to a method for producing high-density bamboo charcoal by dry distillation of bamboo. Background technique [0002] Forest logging is banned worldwide, and bamboo is generally used instead of wood, resulting in the over-exploitation and utilization of large-diameter bamboos such as moso bamboo, and the resources of large-diameter bamboos are becoming tighter. Large-diameter bamboos such as moso bamboo generally need to be used after 4 years of age, and the renewal period is long. On the other hand, middle-diameter bamboos such as thunder bamboo in edible bamboo shoots, and small-diameter bamboos all over the slopes in the mountains have not been fully utilized. This type of bamboo can be used at 2 ages, and the renewal cycle is short, which can solve the urgent need of bamboo shortage. CN201427338 announced "a kind of small-diamet...

AI Technical Summary

Problems solved by technology

Scholars in the industry know that during the firing process of bamboo charcoal, due to the influence of factors such as different kilns, different temperature control at each stage, different time, different gas atmosphere, and different bamboo raw materials, the physical and chemical properties of the fired bamboo charcoal are different. great

After searching, no relevant reports have been found on the method of firing high-density bamboo charcoal in 25.5-42 hours with medium and small diameter bamboo as raw material, basically without additional heating source