2024 Author: Beatrice Philips | [email protected]. Last modified: 2024-01-18 12:09
Birch coal is widespread in various sectors of the economy. From the material of this article, you will learn about the nuances of its production, the advantages and disadvantages of the material, the areas of use.
Features of production
In the course of birch charcoal production, trees are sawn into medium-sized pieces. Optimum length ensures combustion to the desired coal size available for sale … When choosing a different size, the charcoal has inappropriate parameters.
The collected workpieces are placed in special vacuum retort furnaces . Installations can be standard and mobile. Their main elements are containers for burning. At home, such equipment is not used, since the yield of the finished product will be small.
Industrial production allows processing up to 100 tons of high-quality coal per day on vacuum equipment.
In the production of birch coal on an industrial scale, furnaces equipped with a device for removing gases are used. At least 10 ovens are used to ensure product yields are on an industrial scale . It is formed at a combustion temperature inside the furnaces equal to +400 degrees. A lower or higher temperature is unacceptable.
After the gases are burned out, there is a lot of carbon (the fuel that allows you to avoid the emission of carbon monoxide) . The mass fraction of non-volatile carbon determines the class of charcoal. Product weight is 175-185 kg / m3. The ratio of pores to the total volume of the substance is 72%. In this case, the specific density is 0.38 g / cm3.
The burning principle is combustion without oxygen .… The technological process consists of 3 stages: material drying, pyrolysis, cooling. Drying is performed in a flue gas atmosphere. This is followed by dry distillation with increasing temperature. At the same time, the tree changes color and blackens. Then calcination is performed, during which the percentage of carbon content is increased.
Advantages and disadvantages
Charcoal has many advantages. For example, it is different:
- economical and compact size;
- fast ignition and lack of smoke;
- pleasant aroma and burning duration;
- ease of preparation and the absence of toxins during combustion;
- high heat dissipation and a wide range of uses;
- light weight, safety for people and animals.
Birch charcoal is considered a viable option in terms of cost and quality. Experts recommend it for purchase because of the uniformity of heating, environmental friendliness. It has unique properties, contains potassium and phosphorus, which are essential for plant growth and nutrition.
It is easy to use, transport and store. Does not create open flames, is a safe type of fuel. It is produced from the waste of the wood processing industry. Activated birch charcoal is soft, it is impossible not to get dirty when working with it . It crumbles and turns to dust.
Differs from coconut counterpart in pore size. The coconut counterpart is harder, and filters with better cleaning characteristics are made from it.
In the course of industrial production, the material is cooled and packaged in special packages of different capacities . Usually the weight of birch charcoal in bags is 3, 5, 10 kg. The packaging (label) contains the necessary information (name of coal, brand name, origin of fuel, weight, certificate number, fire hazard class). Including information on use and storage.
Birch charcoal has a shelf life. The longer it is stored, the more moisture it contains and less heat transfer. This means that when used, it will not give the desired temperature.
Rating of the best manufacturers
Different companies are engaged in the production of birch coal. Among them, several manufacturers can be noted, whose products are in great consumer demand.
- " Eco-Drev-Resource " Is a company with a large production base that produces birch charcoal in large quantities. It manufactures products without impurities with long-term heat transfer, any type of packaging.
- " Coal Wholesale " - producer of environmentally friendly and economically profitable coal with low cost. It manufactures products that meet the requirements of the international standard from the highest grade wood.
- LLC "Ivchar " - a supplier of birch coal that does not deplete the ozone layer. Works exclusively with birch wood, sells goods for large and small businesses.
- LLC "Maderum " Is the largest producer of premium birch coal. Offers related products for charcoal burning.
- " Stimulus " Is a domestic supplier of high performance coal.
Scope of application
Birch charcoal is used for cooking (you can fry over an open fire). It heats up to the desired temperature, the heat stays longer than when burning wood . This allows you to use it when cooking food on the grill or grill. Used for cooking barbecue on an off-site vacation.
In addition to being used as a fuel, it is also used in industry as a reducing agent . For example, for the production of cast iron. Coal has no impurities, which makes it possible to obtain a strong metal that is resistant to significant loads.
Birch charcoal is used in the smelting of rare metals (brass, bronze, manganese).
It is also used in instrumentation, namely, for grinding various parts. High quality lubricants are made from it, combining with resin, heating to the desired temperature, processing with special substances . Birch charcoal is a material for the production of black powder. It contains a lot of carbon.
It is purchased for the production of plastics, taken for home use, as well as catering establishments . Used in pharmaceuticals (activated carbon) to treat indigestion and restore the body after the destructive action of drugs.
Used as a filter for water purification.
Birch charcoal is a breeding ground for many horticultural crops. It is used as a fertilizer, used for the growth of plants and shrubs . It has a porous structure and has advantages over chemical fertilizers. It can be applied to the ground for several years in a row. Plants that are watered with chemistry are not as environmentally friendly.
At the same time, overdose is excluded. Even with abundant fertilization and frequent use, it does not harm the treated plants . On the contrary, such treatment makes them strong, so they better tolerate cold, become resistant to drought and excessive moisture. Treatment of plants with birch charcoal prevents the appearance of rot and mold.
BAU-A coal is used for cleaning alcoholic beverages, moonshine, ordinary water, as well as food products and carbonated drinks. It is used in the purification of steam condensate and has a wide pore range.
How to do it at home?
When making birch charcoal with their own hands, they use improvised means, for example, ordinary metal buckets. It is in them that sawn wooden beams are laid, closing the buckets with lids. Since gases, resins and other substances will be generated during combustion, a gas outlet must be provided. If not done, the resulting coal will float in the resin.
However, the look that is made at home differs in quality from the analogue obtained industrially .… Instructions for making it at home consist in performing several sequential steps.
First, they determine the method of burning out and prepare the place for the work . You can burn charcoal in an earthen hole, barrel, oven. The first two options are carried out on the street. The latter will be performed in 2 steps (after the oven is also on the street). Logs are picked up, peeled from bark, chopped into equal pieces.
The process of making coal in a pit will look like this:
- in the chosen place, they dig a hole 1 m deep, half a meter in diameter;
- laying firewood, making a fire, stacking firewood to the top;
- as the wood burns out, cover the pit with a metal sheet;
- damp earth is poured on top, stopping the access of oxygen;
- after 12-16 hours, the soil is removed and the lid is opened;
- after another 1, 5 hours, take out the resulting product.
With this manufacturing method, its output does not exceed 30-35% of the used volume of firewood.
You can get coal using a barrel as a container. In this case, charcoal is produced in a metal barrel. Its volume depends on the volume of the finished product. You can use barrels of 50-200 liters. The average output of coal in a 50 liter barrel will be 3-4 kilograms. For work, choose a barrel with dense walls, a large neck, if possible with a lid.
The technology for producing coal differs from other options in the presence of heating supports, which can be used as bricks. The production process looks like this:
- install the barrel;
- fill with firewood;
- kindle a fire;
- close with a lid after flaring up;
- after 12-48 hours, kindle a fire under the barrel;
- warm up for 3 hours, then cool;
- remove the lid, take out the charcoal after 4-6 hours.
This technology allows you to get up to 40% of the finished product relative to the total amount of used firewood.
Another method of producing coal is in a furnace . The oven-making process is simple. First, the wood is burned until it burns out completely. After that, the smut is removed from the firebox and transferred to a bucket (ceramic container), closing with a lid. With this production method, the smallest coal yield is obtained.
To get more coal in this way, more firewood is loaded into the furnace, waiting for a complete fire. After that, close the blower, the door of the damper, wait 10 minutes. After the time has elapsed, take out the finished product. It looks like charred wood.
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