KR20000012825A - The method of making charcoal using calm charcoal powder - Google Patents

Abstract

PURPOSE: A molded charcoal is provided utilizing a waste coconut powder from active carbon industry. CONSTITUTION: 100 Weight parts of less than 20 mesh coconut charcoal powder and 6- 14 weight parts of binder such as pitch, coal tar, pulp residue, starch, black sugar and molasse and 50 weight parts of ignition agent selected from sodium nitrate, hexamine, barium nitrate and potassium nitrate are mixed, followed by addition 30- 50 weight parts of moisture at 100 degree C, 4- 6 kg/square meter by steam. Obtained charcoal is injection molded, dried at 100- 120 degree C and cooled to give the coconut charcoal.

Description

The method of making charcoal using calm charcoal powder}

The present invention relates to a method for producing shaped charcoal using palm charcoal powder, and more specifically, after mixing coal charcoal powder of less than 20 mesh discarded after production of activated carbon and a binder, water is sprayed in a manner of spraying steam. Method of manufacturing injection-type palm charcoal (hereinafter referred to as "injection-type palm charcoal") in the form of hexagonal charcoal for general businesses by adding to the injection machine and adding moisture to the raw material palm charcoal with binder and complexing agent and steam. After the addition, it relates to a method for producing a charcoal for outdoor use (hereinafter referred to as "disc palm charcoal") by producing a shaping charcoal that easily catches fire with a high-pressure molding machine.

In general, charcoal is the best oak charcoal, but because it is economically unfavorable due to the limitation of the supply of raw materials, the current food industry uses a sawdust or waste wood material as a raw material, it is injected into an injection molding machine and carbonized into a hexagonal form Dry charcoal is used. Hexagon dried charcoal, which is mainly used in food shops, is dried beforehand to remove volatiles and caking additives, so it doesn't smell or smoke.In this way, the store lights up the fire in advance until the customers come. When it comes, take it out of the brazier so that you can bake it immediately.

In addition, a complexing agent such as a non-softening agent and a softening agent is added to the palm charcoal powder and the binder mixture so that it is easy to use outdoors, and commercially available complexing charcoal is marketed. Outdoor complex ignition charcoal is a complexing agent in the charcoal can be easily ignited, while the odor and smoke caused by the combustion of the complexing agent and the binder has a disadvantage that occurs temporarily.

On the other hand, Korean Patent No. 10-148700 describes a method for producing charcoal by blending food additives harmless to the human body to charcoal for the purpose of manufacturing high-quality charcoal, which is harmless to the human body, which has the disadvantage of increasing the unit price. .

Meanwhile, in Korean Patent Application No. 10-1999-007831, 65 to 75% by weight of palm charcoal particles of 8 to 30 mesh, 5 to 8% by weight of starch, 2 to 6% by weight of sugar, and 15 to 25% by weight of water are mixed. The production of artificial charcoal has been described to minimize the generation of smoke and harmful gases when burned, and increase the combustion efficiency. However, the method has a disadvantage in that the adhesion between palm charcoal particles is poor by using a method of simply mixing the components without specific conditions.

Therefore, the present inventors conducted extensive research to form a fine palm charcoal powder of 20 mesh (0.84mm) or less, which is difficult to be formed as waste of activated carbon production, yet has no proper application, to be used as a solid fuel such as charcoal. As a result, it was possible to produce a hexagonal injection-type palm charcoal and an outdoor disc-shaped palm charcoal by means of a binder and a complexing agent using an injection machine using only a palm binder as a raw material, and the present invention was completed based on this.

Accordingly, an object of the present invention is to provide a method for producing an injection-type palm charcoal by molding a fine palm charcoal powder of 20 mesh or less.

Another object of the present invention to provide a method for producing a disc-shaped palm char using fine palm charcoal powder of 20 mesh or less.

Method of producing an injection-type palm charcoal of the present invention for achieving the above object

Mixing 6-14 parts by weight of a binder to 100 parts by weight of palm charcoal powder of 20 mesh or less;

Spraying the mixture at 100 ° C. under a pressure of 4 to 6 kg / cm 2 to add 30 to 50 parts by weight of water;

Injection molding the palm charcoal mixture with an injection machine;

Drying the molded palm charcoal at 100 to 120 ° C; And

Cooling the palm charcoal.

Method for producing a disc-shaped palm charcoal of the present invention for achieving the above another object

Mixing 6-14 parts by weight of a binder to 100 parts by weight of palm charcoal powder of 20 mesh or less;

Adding 30-50 parts by weight of water and 50 parts by weight of a complexing agent to the mixture;

Extruding the palm charcoal powder mixture with a compression molding machine;

Drying the molded palm charcoal at 70 to 80 ° C; And

Cooling the palm charcoal.

1 is a block diagram showing a manufacturing method of injection-molded charcoal using palm charcoal powder according to the present invention.

Figure 2 is a block diagram showing a method of manufacturing a disk shaped charcoal using palm charcoal powder according to the present invention.

Hereinafter, the present invention will be described in more detail with reference to FIGS. 1 and 2 as follows.

The palm charcoal powder of the present invention is a fine powder of 20 mesh (0.84 mm) or less remaining after producing activated carbon after distillation (carbonization) by classifying coconut shell into various particle sizes. The palm charcoal powder applied to the present invention is preferably Indonesian, but is not limited thereto. The present invention relates to two methods for producing injection-type palm charcoal (for commercial use) and disc-shaped palm charcoal (for outdoor use) using palm charcoal powder which is very fine and difficult to be molded and then discarded after production of activated carbon.

First, as shown in Figure 1, the palm charcoal powder of 20 mesh or less is transferred to a belt conveyor (Belt Conveyor) (the conveying means in the present invention are all a belt conveyor) is transferred to a mixer, the binder and moisture in the mixer To prepare a cakingy mixture is added.

In addition, the binder may be selected from one or more selected from the group consisting of pitch, coal tar, pulp waste, starch, brown sugar and molasses. It is used at 6 to 14 parts by weight based on 100 parts by weight of powder. If the amount is less than 6 parts by weight, the strength of the final molded palm charcoal is weak and easily broken. When the amount is more than 6 parts by weight, the strength of the final molded palm charcoal is gradually increased to exceed 14 parts by weight. In this case, while the strength is weakened, a lot of smoke is generated during combustion, resulting in the loss of commodity value, there is an inefficient problem of low heat. The various binders can be used in combination with palm charcoal by adjusting the concentration (weight part) as it is without pretreatment.

On the other hand, the moisture applied to the mixer is in the form of hot steam, and serves to initiate the reaction of the palm charcoal powder and the binder to create a caking force. The steam is boiled with water in an external boiler and the steam at 100 ℃ is applied to the palm charcoal powder for 3 minutes by applying a pressure of 4 ~ 6kg / ㎠, about 30 to 50 parts by weight of water is added. In addition, if the content of the water is less than 30 parts by weight, the strength of the produced palm charcoal has a problem that the appearance of the palm charcoal products are easily broken, if the content of more than 50 parts by weight, the charcoal cracks during molding, clogging the molding machine There is a problem that occurs.

The mixture of charcoal powder and caking additive, which has a caking force by adding moisture to the hot steam, is injected using a high pressure injection machine. The injection molded palm charcoal is transferred to a dryer and dried at 100 to 120 ° C. for 12 to 24 hours to produce a final injection palm charcoal. The final injection palm charcoal is cooled, stored, packaged and supplied to consumers. The injection-type palm charcoal may be mainly used for business.

Referring to Figure 2, the same as the manufacturing method of the injection-type palm charcoal of Figure 1 up to the portion where the caking additive and hot moisture is applied in the mixer, but added 50 parts by weight of a complexing agent to easily catch fire do. In this case, as the complexing agent to be added, one or more selected from the group consisting of sodium nitrate, hexamine, barium nitrate, potassium nitrate, and the like is used. Preferably, barium nitrate and sodium nitrate are mixed at 9: 1.

The complexing agent is mixed with palm charcoal powder, and then molded using a vertical press molding machine of a high-pressure roll press type or a rotary press for briquette production. The disk-shaped palm-charcoal thus formed is dried in a dryer for 12-24 hours at 70-80 ° C. to prepare a final outdoor disk-shaped palm charcoal. If it is cooled and packaged and supplied to consumers, it can be used for outdoor use.

Hereinafter, the present invention will be described in more detail with reference to Examples, but the scope of the present invention is not limited to the following Examples.

Example 1

Starch 8% was mixed in palm charcoal powder having a particle size of 20 mesh or less. To this, water was boiled at 100 ° C., and a pressure of 5 kg / cm 2 was applied to spray steam for 3 minutes, thereby adding about 40% of water to prepare a cakingy mixture. The mixture was injected in an injection machine to produce an injection-type palm charcoal, and then dried at 100 ° C. for 24 hours to prepare a final injection-type palm charcoal. The properties of the coconut charcoal and commercial hex dried charcoal and true charcoal are shown in Table 1 below.

Item Example 1 Hex charcoal for commercial use Oak charcoal Moisture (parts by weight) 7.53 8.08 11.56 Ash (part by weight) 6.01 7.95 3.43 Volatilization (parts by weight) 30.48 8.08 4.30 Fixed Carbon (parts by weight) 55.98 75.89 80.71 Calorific Value (Kcal / Kg) 6,950 7,170 7,430 Sulfur content (parts by weight) 0.00 0.03 0.00

The properties were carried out by ordinary industrial analysis.

As can be seen in Table 1, the injection-type palm charcoal manufactured according to the method of the present invention has properties similar to those of hexagonal charcoal charcoal and commercial charcoal for commercial foods.

On the other hand, the combustion experiment of the commercial injection-type palm charcoal prepared in Example 1 and the hexagonal charcoal charcoal and commercial oak charcoal for the commercial market was carried out. That is, the method of measuring the carbon monoxide and combustion temperature in the KS E 3733 hole coal combustion gas using the injection-type palm charcoal, commercial hexagonal charcoal charcoal, commercial oak charcoal manufactured by the method of Example 1 using a coal fired combustor specified in KS E 7002. Based on the measurement of the combustion duration and the like, the results shown in Table 2 were obtained.

Duration (minutes) 15 30 45 60 75 Average temperature (℃) Temperature (℃) Temperature reaching time Combustion duration Injection palm charcoal 495 380 325 - - 360 550 9 minutes 56 minutes Hexagon charcoal charcoal for commercial use 480 405 340 300 - 365 590 6 minutes 1 minute per company Commercial charcoal 545 400 360 328 - 372 585 11 minutes 1 hour 10 minutes

Example 2

After mixing the palm charcoal powder used in Example 1 and the binder and water, and mixed with barium nitrate and sodium nitrate 9: 1 as a complexing agent in a mixture of 50 parts by weight to form a disk-shaped palm-type vertical compression molding machine for briquette production Charcoal was prepared. It was dried for 24 hours at 80 ℃ to prepare a final disc-shaped palm charcoal. The characteristics of the disc-shaped palm charcoal and commercially available outdoor charcoal are shown in Table 3 below.

Item Example 2 Hexagonal hot coal for outdoor and outdoor use Methanol charcoal Commercial outdoor disc charcoal Moisture (parts by weight) 1.84 5.38 5.03 4.83 Ash (part by weight) 18.67 21.24 4.88 19.93 Volatilization (parts by weight) 39.37 41.75 35.56 29.51 Fixed Carbon (parts by weight) 40.12 31.63 54.53 45.73 Calorific Value (Kcal / Kg) 4,930 4,050 5,830 4,530 Sulfur content (parts by weight) 0.00 0.00 0.00 0.00

The properties were carried out by ordinary industrial analysis.

In addition, by using the combustion device for the disc-shaped palm charcoal, commercial outdoor disc charcoal, and commercial methanol charcoal in accordance with the KS E 7002 hole coal combustion test, carbon monoxide and combustion temperature in the KS E 3733 hole coal combustion gas were measured. As a result, the same result as in Table 4 was obtained.

Duration (minutes) 15 30 45 60 Average temperature (℃) Temperature (℃) Temperature reaching time Combustion duration Methanol charcoal 485 350 - - 359 658 5 minutes 44 minutes Commercial outdoor charcoal 537 430 - - 392 652 6 minutes 42 minutes Disc palm charcoal 570 490 320 - 396 660 4 minutes 47 minutes

As can be seen from the above results, the injection-type palm charcoal (for commercial use) and the disc-shaped palm charcoal (outdoor) using the palm charcoal powder prepared by the present invention are manufactured by molding fine palm charcoal powder discarded after the production of activated carbon. In addition to being very economical and environmentally friendly in terms of waste disposal, as well as exhibiting comparable properties and combustion performance compared to commercial products, it is very useful industrially.

Claims (5)

Mixing 6-14 parts by weight of a binder to 100 parts by weight of palm charcoal powder of 20 mesh or less; Spraying the mixture at 100 ° C. under a pressure of 4 to 6 kg / cm 2 to add 30 to 50 parts by weight of water; Injection molding the palm charcoal mixture with an injection machine; Drying the molded palm charcoal at 100 to 120 ° C; And Method for producing molded charcoal using palm charcoal, characterized in that the cooling step of the palm charcoal. The method of claim 1, wherein the binder is one or more selected from the group consisting of pitch, coal tar, pulp residue, starch, brown sugar and molasses. Mixing 6-14 parts by weight of a binder to 100 parts by weight of palm charcoal powder of 20 mesh or less; Adding 30-50 parts by weight of water and 50 parts by weight of a complexing agent to the mixture; Extruding the palm charcoal powder mixture with a compression molding machine; Drying the molded palm charcoal at 70 to 80 ° C; And Method for producing molded charcoal using palm charcoal, characterized in that the step consisting of cooling the palm charcoal. The method of claim 3, wherein the binder is one or more selected from the group consisting of pitch, coal tar, pulp residue, starch, brown sugar and molasses. The method of claim 3, wherein the complexing agent is one or more selected from the group consisting of sodium nitrate, hexamine, barium nitrate, potassium nitrate and the like.