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rotating cylinder dryer sawdust drying machine charcoal

Dryer Machine

Dryer Machine

Our company is regarded as a famous single-tube rotary dryer supplier and industrial rotary dryer manufacturer in China.

Processing capacity: 2.5-50 t/h

Application area: industries of slag, sand, construction materials, metallurgy, chemical engineering, coal and minerals.

Applied materials: slag, clay, limestone, ardealite, dry-mixed mortar, grain slag, coal slime, etc.

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sawdust dryer - china professional charcoal making machine

As we know, the ideal water content of materials is 8%-13% for producing biomass briquettes. Usually, the moisture of the untreated ingredients is 30%-60%, fresh sawdust from the sawmill can reach more than 80%. Even if these materials are air-dried enough, the water content can be reduced to 20% at most, they still can’t meet the requirement for producing briquettes. So it is necessary to dry the materials before making sawdust briquettes

Sawdust flash dryer includes heating stove, pipes, fan, and cyclone. It is also called airflow dryer or pipe dryer. Wet sawdust enters the airflow dryer through the feeding hopper, they are mixed with the hot air by the airflow force of the electric fan. Sawdust flows through the curved pipes and finally enters the cyclone. At last, water vapor of sawdust is taken out by the hot air and expelled out from the up outlet of the cyclone,  and sawdust is discharged from the down outlet

rotary dryer machine for materials of charcoals made

Industrial sawdust dryers and rice husk drying machines mainly include airflow dryers and rotary drum dryers. The sawdust drying machine can dry sawdust, rice husks, wood chips, straw scraps, etc. with a moisture content of less than 60% to make the moisture content less than 10%. The dried sawdust and rice husk can be used to process sawdust briquettes, pini-kay, wood pellets, wood boards, paper, furniture, etc. The heat source of the sawdust and rice husk drying machine mainly uses the heat of burning biomass raw materials, and the heat can be recycled during the drying process, which is very energy-saving. Due to their high drying efficiency, these commercial sawdust dryer machines are often used in various charcoal production lines and paper mills

At present, the drying equipment used for drying sawdust and rice husk is mainly air-flow sawdust dryer and drum sawdust dryer. The appearance, structure, working principle, processing capacity, and application scenarios of these two automatic dryer machines are very different

The airflow rice husk dryer machine is also called pipe type dryer, which is a piece of ideal drying equipment with a small investment and fast profits. This airflow rice husk dryer machine is the continuous and rapid drying equipment that is usually used in the charcoal production lines. The loose granular materials will suspend in hot air, and go through instantaneous moisture removal in the drying process. This airflow drying machine is suitable to dry granular materials like sawdust and rice husk. After drying, the raw materials’ moisture content will be less than 10%

Wood, branches, logs, bamboo, straw, sugarcane bagasse, and other biomass materials should be crushed into sawdust by the wood crusher machine before drying. The requirement of the raw materials for drying in the airflow sawdust dryer is less than 5mm in diameter. In front of the airflow dryer, there will be an ignition stove for providing hot air like the rotary dryer machine. After the sawdust or rice husk is added to the dryer, it will flip in the pipes with the fore of the fan. The material is evenly dispersed in the drying machine and in full contact with the hot air to accelerate the drying speed

rotary dryer machine for materials of charcoals made

In the drying process, under the action of hot gas, the material is discharged from the dust collector at the end of the dryer after drying. The high-temperature hot air in the airflow drying machine in the drying tube with high-speed, the residence time is very limited, therefore, generally only applicable to the material surface moisture evaporation constant speed drying process. The working principle of the airflow sawdust drying machine is to send granular wet materials into the hot air flow and get dry granular products. The airflow rice husk dryer has a good effect on reducing the environmental pollution

Airflow dryer machine is widely used in metallurgy, building materials, feed, mining, food, medicine, chemical, pharmaceutical, coal washing, fertilizer making, light industry, and charcoal production industries. The output of the rice husk drying machine is different according to the moisture of the raw materials, which ranges from 200kg/h to 600kg/h. The smaller the moisture content of the material, the larger the output of the dryer

how to use the sawdust dryer correctly

The wood chips dryers are always used to dry the biomass materials to the suitable moisture of about 15% to make wood pellets. The workers must know the operation regulations of the dryers otherwise you may not achieve the desired outcome because of some minor details. 1, After the installation is complete, open the fan and check the rotation direction is normal or not. Check the connective place of the cylinder leak air or not. 2, Worker should check carefully materials to prevent the metal,stone and other hard objects enter into the drying chamber to cause the machine damage and other accidents. And this is beneficial to improve the drying speed. Then turn on the power switch, let the cylinder idle for a period 3, Add fuel such as the waste wood and ignite in the stove and let the hot air into the cylinder or pipeline. When the temperature of the wind outlet up to 150 centigrade, you can start to feed material. 4, According to the material moisture requirements, select the most appropriate hot air temperature and air volume of fan and by doing this you can reduces heat loss and improve the drying efficiency

5, Choose the high dryer thermal efficiency for drying the wet material thoroughly, and thus will not affect the materials luster. At the same time, the material can be dried per time and avoid the increase of the cost. 6, Strengthen the dryer patrol during the drying to avoid the leakage. The leakage during the process may cause the outside air drawn into the cylinder or the hot air carry the material escape the cylinder. 7, For further reduce the exhaust gas dust content, a bag filter or wet dust collector should be installed. 8, The preheat needs a process and the hot blast stove should have a preheating process,too. It is prohibited to suddenly ignite fierce fire, which will cause local overheating and cause damage because the uneven heat expansion. 9, Meet the sudden power failure, you should immediately shut down the furnace to stop the feeding . Then every 15minutes let the cylinder turn a half circle until the cylinder cooling. You shall have the specialist be responsible for this operating procedures otherwise violate the rules will result in cylinder bending which will make the dryer not able to normal use. 10, When dryer start to work, you should let the cylinder move first and then start the fire. But you when you stop the dryer, you should stop the stove first and then stop the cylinder. In a word, there are so many issues you have to mention to operate the dryer. So it is better for you to have a professional technician to help you. Further more , it will make your operation more easy if you have customized you own sawdust dryer from a normal manufacturer. And Azeus exactly the one. If you have interest, please contact us

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