JPH09324180A - Production of bamboo coal - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain bamboo coal excellent in absorbing properties, especially odor-absorbing property, moisture-absorbing property, fungicidal property, water- purifying property, soil-improving property, etc., by vertically arranging bamboo with a joint having a specific shape in rows, packing the bamboo into an inner kettle, heating and carbonizing the bamboo in a state baked while streaming, naturally lowering the temperature and baking coal having a shape of bamboo. SOLUTION: Pipe-like bamboos 2 with joints obtained by putting one joint in the center and cutting both sides of the joint are vertically arranged and packed into an inner kettle 3 whose space part 4 is also narrowed and these bamboos 2 with joints are heated and carbonized for 15min by outer heating at about 800 deg.C (e.g. an electric heating furnace 6) in the inner kettle 3 in a state baked while steaming and then temperature of the inner kettle is naturally lowered by allowing the inner kettle to stand and the coal having shape of the bamboo is baked.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a method for producing bamboo charcoal.

[0002]

[Prior Art and Problems to be Solved by the Invention] Bamboo is made from abundant bamboo materials and is excellent in adsorbability, especially odor adsorbability, moisture adsorbability, mold prevention, water purification, and soil improvement. The technical task is to mass produce charcoal and bamboo tip charcoal.

[0003]

The gist of the present invention will be described with reference to the accompanying drawings.

[0006] The pipe-shaped knotted bamboos 2 cut on both sides with the knots 1 in between are vertically arranged and packed in the inner pot 3, and the upper pots 4 are also narrowed to form the knotted bamboos 2 by the inner pot 3. 80 without burning
A method for producing bamboo charcoal, characterized in that it is heated and carbonized in a steamed state for about 15 minutes by external heat of about 0 ° C, and then left to stand for about 10 to 30 minutes to naturally lower the temperature and fire the bamboo charcoal. It is related.

Further, the bamboo material is immersed in edible oil or its waste oil heated to about 180 ° C. for several minutes to remove the water content of the bamboo, and at the same time the fiber of the bamboo is fragile. The present invention relates to a method for producing bamboo charcoal, characterized in that chips or bamboo charcoal are formed, and the bamboo tip or bamboo charcoal is heated and carbonized in a steamed state by external heat to produce chip charcoal or powder charcoal.

[0006]

BEST MODE FOR CARRYING OUT THE INVENTION A preferred embodiment of the present invention (how to carry out the invention) will be briefly described with reference to the drawings and showing its function and effect.

The invention of claim 1 The present invention utilizes abundant bamboo materials, and has an adsorptive property, particularly an odor-adsorptive property,
The present invention relates to a method for producing bamboo charcoal that is excellent in moisture adsorption, mold prevention, water purification, soil improvement, and the like.

[0008] Bamboo with knots 2 are vertically arranged in the inner pot 3 and packed.
Since the space of the space 4 in the inner pot 3 is narrowed, the amount of air is reduced and the bamboo does not self-combust.

In addition, since the bamboo-shaped bamboo 2 with knots cut on both sides with the knot 1 in between is aligned, it is possible to prevent the knots 1 and the air inside the knots from expanding and bursting. Good bamboo figure charcoal will be mass-produced.

The results of the deodorizing effect test are as follows.

Test method 100 ml of a mixed solution of ammonia (42 mg / l) + trimethylamine (fish odor, 15 mg / l) of a constant concentration and 25 g of 10 g of bamboo charcoal were used.
Place in a 0 ml Sankaku flask and wrap.

This was allowed to stand for 6 hours at a constant temperature of 35 ° C., and after being heated for 2 minutes in boiling solution over time, Head space
Take 1.0 ml of vapor and inject into GC.

The measuring conditions of GC are as follows.

Detection amount: FID (Shimadzu Corporation: GC-12A) Column: SUNPAKA Column Temp: 100-160 ° C. (10
℃ / min) Carrier Gas: N ₂ 30 ml / min Injection Temp: 200 ℃ Detector Temp: 200 ℃ RANG: 10V Result ・ Inspection

[0015]

[Table 1]

That is, the deodorizing effect of bamboo charcoal varies greatly depending on the odor component, and fish odor (trimethylamine) has a remarkable removal of 95% or more, but ammonia has 12-13%.
The degree is small.

Further, with all the components, the maximum value was obtained after leaving for 1-2 hours, and even if the time was extended, the effect was hardly increased.

From the above, the bamboo charcoal of the present invention is suitable as a deodorizer for refrigerators because it is excellent in removing fishy odors and the like in consideration of kinds of odorous components when used for deodorizing treatment.

The test results for water purification of the goldfish breeding water are as follows.

Test method 1. Adjustment of test zone Two goldfish bowls (capacity: 3 liters), each set with 10 goldfishes of the same size, 3 liters of tap water and an air pump (100V / 50-60HZ), and bamboo charcoal 17.46 on one side.
g (test group) is added and breeding is performed with no addition (control group), and changes in water quality are measured over time.

2. Measurement purpose and method It is considered that there is a direct effect on the fact that water of breeding was observed with time with fingers and total nitrogen, turbidity, and pH were measured from the day when there was a difference, and the difference between the two became clear. The hardness, evaporation residue, potassium permanganate consumption, chlorofilm a, SS, BOD, and Langerian index are applied according to the usual method, and the water quality with and without bamboo charcoal is compared.

Result ・ Inspection

[0023]

[Table 2]

That is, the difference in organic matter, especially protein, which will increase with the breeding period, is large on the 6th day of breeding, and potassium permanganate consumption, SS, BO
Differences are also apparent in D, turbidity and evaporation residue.

Further, the difference in chlorophyll is said to have a difference in the growth of algae. It was confirmed that the organic pollution in water accompanying the breeding of goldfish was obviously suppressed by adding bamboo charcoal, in other words, the organic matter in water was obviously purified by the addition of bamboo charcoal.

On the other hand, as shown by the hardness and the Langerian index, the elution of calcium ions and magnesium ions of the bamboo charcoal component is large and the effect on pH is clear.

However, it is considered that these components improve the color tone of the carp for appreciation, and it is shown that they are also effective for goldfish.

As described above, the addition of bamboo charcoal according to the present invention is extremely effective in the purification of water quality for breeding water of goldfish.

The results of the water purification test for tap water are as follows.

Test method To 2 liters of tap water, 16 g of bamboo charcoal was added, sealed and left for a certain period of time, and compared with no addition for the item "old precision test based on ministerial ordinance concerning water supply law and water quality standards" To do.

The period of leaving is 82 days (0 to 33 days /
Room temperature, 34 days to 82 days / 30 ° C).

Result ・ Inspection

[0033]

[Table 3]

From the above, when the bamboo charcoal of the present invention is added to tap water, apart from long-term storage (it is desirable that the bamboo charcoal be sterilized before use), the purifying effect is such that trace amounts of calcium ions, magnesium ions, etc. Elution of minerals,
Further, it is confirmed that it is effective because it can be expected to adsorb anions such as NO ₂ ⁻ , NO ₃ ⁻ and C ₁ ⁻ .

According to the invention of claim 2, since it is dehydrated by the frying process to make the fiber brittle and the air contained therein is also discharged, it has been confirmed that it does not self-combust even when it is carbonized by heating.

In addition, the results of the comparison test between the case where the frying treatment is performed and the case where the frying treatment is not performed are as follows.

[0037]

[Table 4]

As described above, the fried food is
It was confirmed to have a methylene blue adsorption performance that is almost twice as high as that without fried treatment.

[0039]

Embodiments of the present invention will be described with reference to the drawings.

The pipe-shaped knotted bamboos 2 cut on both sides with the knots 1 in between are vertically arranged and packed in the inner pot 3, and the upper pots 4 are also narrowed to form the knotted bamboos 2 by the inner pot 3. 80 without burning
The bamboo charcoal is calcined by heating it for about 15 minutes by external heat of about 0 ° C. in a steamed state and then leaving it for about 10 to 30 minutes to naturally lower the temperature.

The inner pot 3 of the present invention is heated in an electric heating furnace 6 constructed of refractory bricks arranged outside.

A damper 7 is attached to the lid 9 of the electric heating furnace 6.
Equipped with an attached smoke exhaust tube 8, open the damper 7 from 200 ° C to 400 ° C, then close the damper 7 and shut off the outside air at 800 ° C for about 10 to 20 minutes to prevent the bamboo from self-burning. After heating and carbonizing, and after heating is stopped, the heating charcoal is left for about 10 to 30 minutes to finish the heating and carbonization, and when the temperature drops to about 150 ° C or lower, bamboo charcoal is taken out, and this operation is repeated to mass-produce bamboo charcoal.

This charcoal is used as it is or after being crushed to an appropriate size according to the purpose of use.

Further, the bamboo material is immersed in edible oil or its waste oil heated to about 180 ° C. for a few minutes to remove the water content of the bamboo, and at the same time, the bamboo fiber is fragile. Chips or bamboo charcoal are formed, and the bamboo chips or bamboo charcoal are heated and carbonized in a steamed state by external heat to produce chip-shaped bamboo charcoal or powdered bamboo charcoal.

Bamboo charcoal is easier than charcoal charcoal and has a good heating efficiency for charcoal-burning, filling the inner pot 3, and filling product containers. Is.

A product example using the bamboo charcoal of the present invention is as follows:
It is as follows.

1. The figured charcoal of the present invention is put on the market in a cosmetic box or bag, and the purchaser uses an appropriate amount of the charcoal as an odor adsorbent, a moisture adsorbent, an antifungal agent, a water purifier, and a soil conditioner. 2. Chip-shaped bamboo charcoal is also sold in the same manner, and the purchaser uses an appropriate amount of it as an odor adsorbent, a moisture adsorbent, an antifungal agent, a water purifier, and a soil conditioner.

In this case, it may be marketed as a water purifier that is processed into a state suitable for each purpose and attached to a case corresponding to the purpose, for example, a tap water tap.

3. Utilizing that powdered bamboo charcoal is powder,
For example, it has a wide range of applications, such as being impregnated with urethane material to make a high-performance filter.

[0050]

According to the first aspect of the invention, pipe-shaped knotted bamboos, which are cut on both sides with a knot between them, are vertically arranged and packed in the inner pot, and the upper space is narrowed by the inner pot. Bamboo-bamboo charcoal is used to heat and carbonize knotted bamboo by steaming for about 15 minutes by external heat of about 800 ° C without burning it, and then leave it for about 10 to 30 minutes to naturally cool the bamboo charcoal. It becomes a manufacturing method.

Further, since the knotted bamboos are vertically arranged and packed in the inner pot to narrow the space in the inner pot, the bamboos do not burn by themselves.

In addition, since bamboo-shaped bamboo with knots cut on both sides with the knots in between are aligned, the air inside the knots and the bamboo inside the knots is prevented from expanding and bursting, and the bamboo is well-formed. It will be a method of manufacturing bamboo charcoal, in which figure charcoal is mass produced.

In the invention according to claim 2, 1
Bamboo material is immersed in edible oil or its waste oil heated to about 80 ° C for several minutes to remove the water content of the bamboo, and at the same time, the fibers of the bamboo are fragile. Since this bamboo chip or bamboo charcoal is heated and carbonized in a steamed state by external heat to produce chip-shaped bamboo charcoal or powdered bamboo charcoal,
It is confirmed that the fried fish is dehydrated and the fibers become brittle, and at the same time the contained air is discharged, so that it does not self-combust even when heated and carbonized, and chip-shaped bamboo charcoal that has been fried is better than the one that is not fried. It becomes a chip-like bamboo charcoal or a powdered bamboo charcoal with good adsorptivity, which is an excellent method for producing bamboo charcoal.

[Brief description of drawings]

FIG. 1 is a perspective view of charcoal of the present embodiment.

FIG. 2 is an explanatory diagram of a bamboo charcoal manufacturing apparatus showing an example of an embodiment of the present invention.

[Explanation of symbols]

 Bamboo with 1 section 2 sections 3 Inner pot 4 Space section

Claims (2)

[Claims] 1. A pipe-shaped knotted bamboo with both sides cut by knots is vertically arranged and packed in an inner kettle, and the knotted bamboo is prevented from self-burning by an inner kettle having a narrow upper space. A method for producing bamboo charcoal, which comprises heating and carbonizing the material in a steamed state for about 15 minutes by external heat of about 800 ° C., then leaving it for about 10 to 30 minutes to naturally lower the temperature and firing the bamboo charcoal. 2. A bamboo material is immersed in edible oil or its waste oil heated to about 180 ° C. for a few minutes to remove the water content of the bamboo, and at the same time the fibers of the bamboo are fragile, and the fried bamboo material is crushed by a crusher. A method for producing bamboo charcoal, characterized in that chips or bamboo charcoal are formed and the bamboo tip or charcoal is heated and carbonized in a steamed state by external heat to produce chip charcoal or powdered charcoal.