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Sawdust dryer is used for pellet sawdust or powder sawdust. Wet materials are continuously sent into the drum through a screw conveyor and then get separated and pushed by the high-speed hot flow. The moisture in wet materials is taken away in this process and then we get powder or pellet dry materials.
Sawdust dryer is one type of rotary dryer that is specially designed for drying sawdust, wood chips, straw and charcoal, etc. It has high drying intensity, short drying time, large production capacity, high efficiency, small occupied area, easy operation and maintenance, etc. It is also known as sawdust drying machine or sawdust rotary dryer. Mainly, there are two types of sawdust dryer machine named as airflow sawdust dryer and three-channel dryer. The latter is generally used in the sawdust drying process.
Sawdust refers to as the dust, chips, shavings and other materials left when wood is processed. Dried sawdust is widely used as fuel, filler, etc. As a result, sawdust dryer machine is also applied to many fields as follows:
Fuel processing: dried sawdust when briquetted is the key raw material in the fuel industry, like in heating supply system, power plant and so on;
Furniture industry: sawdust rotary dryer is used to dry the wet sawdust to a certain humidity, which is for the shaving board making, plywood making, etc.
Paper Making Industry: dried sawdust can be the raw material when make paper, therefore, this sawdust drying machine plays an initial part;
Edible fungus cultivation: the sawdust which is dried to the required moisture can be to cultivate mushrooms, fungus mushrooms, needle mushroom and agaric mushroom.
Sawdust Dryer is mainly composed of a heating furnace, inlet, rotating cylinder, filtering cylinder, conveying pipe, cooling tube and the outlet.
Small occupied area, easy construction and maintenance, low drying cost. The material is highly dispersed in the airflow dryer; the particle surface is the effective drying area;
Strong drying strength, short drying time, high processing capacity, high thermal efficiency, non-binding water heat efficiency is up to 60%;
Wide scope of applications. The operating parameters can be changed according to the requirements of different customers;
Long service life. The cylinder rolls stably, thus, wearing is reduced.
1. The sawdust is fully dried in the rotating cylinder;
2. Sawdust is fully dispersed again before entering into the material conveying pipe, so that the evaporation will be faster;
3. The material is boiling in the tube, the hot air and material will fully contact with each other to complete the drying process.
Faced with numerous changes and threats, Zoneding keeps on the research of how to increase the efficiency of the sawdust dryer and finds some tips.
1>> Replace the spiral conveying blades at the feeding end with 6mm steel triangular stiffened plates. It is to lower the sawdust speed in the high-temperature zone and to make a maximum utilization of the heat.
2>> Build central X-shaped lifting blades to prolong the residence time of the material and improve the heat transformation;
3>> Change the angle of the feeding tube. With the standard of not to influence the feeding efficiency, lift the blanking cylinder as much as possible. The top of the lifted tube shall not touch the material retaining ring. The part of the tube inside the cylinder shall be not too long and the material falls within the 200mm of the retaining ring. Thus, a material screen is formed and heat transformation is enhanced.
| Spec./m (Dia.×Length) | Shell Cubage (m³) | Capacity (t/h) | Installation Obliquity(%) | Highest Inlet Air Temperature(℃) | Main Motor (kw) | Weight (t) |
| Φ1.2×8.0 | 9.0 | 1.9～2.4 | 3～5 | 700～800 | 7.5 | 9 |
| Φ1.2×10 | 11.3 | 2.4～3.0 | 3～5 | 700～800 | 7.5 | 11 |
| Φ1.5×12 | 21.2 | 4.5～5.7 | 3～5 | 700～800 | 15 | 18.5 |
| Φ1.5×14 | 24.7 | 5.3～6.6 | 3～5 | 700～800 | 15 | 19.7 |
| Φ1.5×15 | 26.5 | 5.7～7.1 | 3～5 | 700～800 | 15 | 20.5 |
| Φ1.8×12 | 30.5 | 6.5～8.1 | 3～5 | 700～800 | 18.5 | 21.5 |
| Φ1.8×14 | 35.6 | 7.6～9.5 | 3～5 | 700～800 | 18.5 | 23 |
| Φ2.2×12 | 45.6 | 9.7～12.2 | 3～5 | 700～800 | 22 | 33.5 |
| Φ2.2×14 | 53.2 | 11.4～14.2 | 3～5 | 700～800 | 22 | 36 |
| Φ2.2×16 | 60.8 | 13.0～16.2 | 3～5 | 700～800 | 22 | 38 |
| Φ2.4×14 | 63.3 | 13.5～16.9 | 3～5 | 700～800 | 37 | 45 |
| Φ2.4×18 | 81.4 | 17.4～21.7 | 3～5 | 700～800 | 37 | 49 |
| Φ2.4×20 | 90.4 | 19.3～24.1 | 3～5 | 700～800 | 45 | 54 |
| Φ2.4×22 | 99.5 | 21.2～26.5 | 3～5 | 700～800 | 45 | 58 |
| Φ2.6×24 | 127.4 | 27.2～34.0 | 3～5 | 700～800 | 55 | 73 |
| Φ3.0×20 | 141.3 | 30.1～37.7 | 3～5 | 700～800 | 75 | 85 |
| Φ3.0×25 | 176.6 | 37.7～47.1 | 3～5 | 700～800 | 75 | 95 |
| Φ3.2×25 | 201 | 42.9～53.6 | 3～5 | 700～800 | 90 | 110 |
| Φ3.6×28 | 285 | 60.8～76.0 | 3～5 | 700～800 | 160 | 135 |
Q1. Who are we?
A1: Zoneding Machine is manufacture of mining machine which is located in Henan province of China. We have been professional on grinding mill, stone crushers, sand making machines, production line for ore beneficiation, sand and aggregate industries since 2004.
Q2. What is our main crusher products?
A2: Jaw Crusher/Cone Crusher/Vibrating Screen/Sand Making Machine/Mobile Stone Crusher Plant/Vibrating Feeder/Fine Sand Recovery Machine/Screw Sand Washing Machine/Impact Crusher/Vertical Shaft Impact Crusher/Hammer Crusher/Belt Conveyor/Stone Crushing Plant.
Q3. What about the price ?
A3: We are able to give you competitive price than market one cuz we are factory, and we have a policy that ” for saving time and absolutely honest” business attitude,we quote as low as possible for any customer, and discount can be given according to quantity
Q4. What services can we provide?
A4: Accepted Delivery Terms: FOB, CFR, CIF；
Accepted Payment Currency: USD,EUR, CNY;
Accepted Payment Type: T/T,L/C;
Language Spoken: English,Chinese,Spanish,Arabic,French,Russian
Q5: When will the delivery be?
A5: For inventory goods, we can ship them within 3-5 days. For customized equipment and other devices, we will specify according to clients’ needs as we quote.
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