Full-scale earthen furnace making Bamboo charcoal secret
■Craftsmanship of earthen furnace
Also its quality is to say that the charcoal in a word , bamboo of the nature of the raw materials ( bamboo varieties and production areas ) , the process of thermal processing ( carbonization method and kiln type ) , by thermal processing the maximum temperature (the temperature range of carbide ) , There is a considerable difference . Among them, although the type of kiln is one of the most important factors that determine the quality of the charcoal , the kiln , in addition to dry distillation furnace also of earthen furnace , flow furnace , kiln kiln , refractory brick kiln , type, such as mobile carbonization furnace Yes you . And , white Sumigama such as by way of baked to say that the earthen furnace , or there is a black Sumigama , those from the carbonization furnace for the industry even if the iron kiln made ??of stainless steel , is really a wide variety to a simple kiln that uses such as drums .
However , look around the various Sumigama , the highest quality Bamboo charcoal in where I am allowed to talk with people of a lot of charcoal craftsman , was also reached to the conclusion that it is not burned only in earthen furnace . Even in shallow human experience , relatively stable , such as compared to the iron kiln that can bake the quality of the coal , Re demand a high degree of skilled technology and experience monkey earthen furnace manufacturing of Bamboo charcoal . But is the interaction with the kiln while also incorporating modern science , such as temperature sensors , last craftsmanship . The depth of the wisdom that has been passed down from the ancients each time you visit the kiln , is simply amazing to craftsmanship can be seen everywhere .
Inexhaustible bamboo resources
The history of bamboo is shallow in addition , I think that it was the middle of the Edo era was transmitted from China . But for the first time has been ported is also said to Kagoshima both Kyoto , its thickness , is very prized in a variety of effective use from the length ( especially edible ) , also spread to Japan in the blink of an eye from the strong vitality of bamboo , as if is a native species has become , but such .
Bamboo , but is said to be " made ??in bamboo in 10 days from the bamboo shoot " , what ! To become the same size as the parent bamboo , it takes only three months . And the tremendous growth speed , is the sustainable natural resources of unprecedented only compared , such as with other wood speed of coming grows every year cycle . Today environmental issues has long been said , Bamboo charcoal to make this bamboo as a raw material , but also also attracted attention from the ecological point of view . Bamboo material , in order to eliminate the variation of the carbonization degree , we will adjust the bamboo moisture content naturally dried for about three months to align split .
Japanese moso bamboo in Shikoku
Charcoal Kochi Prefecture Taketora has baked the charcoal craftsmen skilled in the charcoal -only kiln an improvement of the old-fashioned earthen furnace in raw material bamboo of Shikoku from the beginning (the other just so) . Domestic bamboo of good quality to be used for raw materials , from bamboo shoots up to the growth cut down to the parent bamboo , I do not use any drugs , pesticides , chemical fertilizers and the like . In order to deliver a safe and secure Bamboo charcoal to everyone also , domestic production made ??in Japan , and will stick to the pesticide-free bamboo .
Put into the kiln
It is finally kiln put work . One by one bundle from the back of the kiln will carefully packed .I was satisfied that indeed heard and also referred to by it kiln .Casual , backed by experience also try to take one of these steps ,Technique of Bamboo charcoal craftsman for bake the quality of the coal is hidden .
Smoke heat treatment～Important of burning
Bamboo is the difference and the specific gravity of the epidermis and the endothelium , there is a moisture content of the difference in the vertical direction , and which you do not in the uniform in the process of the coal , twisting and cracking occurs . Smoke heat treatment is a very important step for bamboo as a raw material to as much as possible homogeneous thing before burning charcoal . In the kiln that was in 200 ℃ temperature close , to the ideal carbonaceous material and 15% before and after the moisture content that is to say , just craftsmanship . This task is Oyobi in three to five days depending on the state of the bamboo . Burning after smoke heat treatment is the most important step , along with the end of the refining ( Nerashi ) . By carbonaceous material , depending on the state of the kiln , the seasons , the weather , fine adjustment is required , it will be the work of the crowded stay in kiln 24 hours a day .
Smelting～2 weeks after putting the kiln
Bamboo charcoal to be burned over a time of 2 weeks from the kiln purse , but that watch the temperature management of the kiln with charcoal craftsman during hybrid recorder , craftsman of reassuring .
However , the timing of the most important refining ( Nerashi ) is still many years of cans rely . Refining is how so a large amount of air take off well the gas depends on whether placed in a kiln . About 4 hours rose kiln to a temperature near 1000 ℃, is the show office of craftsmanship quality of Bamboo charcoal is determined here . Please compare the kiln put photos above the baked was charcoal , it has been reduced to an amount of from about 10 minutes 1 in the weight and to charcoal .
|Healing bamboo charcoal set (large)|
|[Put the bamboo charcoal]
■ size: approx. W15.5 x H29.5 × D15.5cm
■ material: bamboo
■ size: approx. 40 cm long x 20 pieces (approx. 1.3 kg)
※ Bamboo charcoal with difference of around 500 g weight.
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