Model Capacity(T/D) Initial moisture(%) Final moisture(%) Total Power(kw) Covering area(m²)
DLMG1916 300 ≤30 <5 130 42*16
DLMG2220 500 ≤30 <5 150 46*16
DLMG2522 800 ≤30 <5 200 48*16
DLMG2825 1000 ≤30 <5 250 51*16
DLMG3026 1300 ≤30 <5 280 52*18
DLMG3228 1500 ≤30 <5 330 55*18
DLMG3430 1800 ≤30 <5 380 56*18
DLMG3632 2200 ≤30 <5 450 58*18
DLMG3835 2700 ≤30 <5 560 60*18
DLMG4036 3000 ≤30 <5 660 60*18
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    The bentonite dryer is mainly used for the drying of various clays such as bentonite, kaolin, aluminum and iron clay, and solves some problems of sticking, crushing, drying and drying. Therefore, Dingli Group successfully launched the bentonite drying according to this development direction. Machine, serve the society.

    The bentonite dryer can adapt to various fuels such as coal, oil, gas, etc. At present, the fluidized boiler is favored by users due to its convenient operation, energy saving, environmental protection, and easy purchase of raw materials. Some manufacturers also choose natural gas or coal gas generators for conversion, and the gas is burned for a second time to achieve the drying effect. It conforms to the country's policy of creating an environment-friendly and resource-saving society and is an environmentally friendly and energy-saving product that replaces traditional drying equipment.



 1. The fixed-speed and quantitative feeder is used to solve the uniformity of feeding and traveling in the dryer, which overcomes the previous problems of intermittent feeding, material blocking, and large instantaneous material volume. It is the premise of improving the evaporation intensity.

2. Design a unique buffer silo and feeding mechanism to overcome the problem of intermittent feeding or fluctuations caused by uneven feeding;

3. A large inclination unpowered screw propeller is installed at the feed end of the drum, which not only uniformly feeds the incoming mineral slag into the drying section of the drum, but also further cuts and breaks up the large slag;

4. Optimize the design of the internal structure of the dryer to maximize the heat exchange area between the material and the hot air quality, which is the basis for improving the evaporation intensity.

5. Continuously optimize the design of the internal structure of the drum and the lifting plate, and finally finalize it into the unique structure of the internal lifting plate of the drum and the mixed interval layout of different functions. The full section of the drum has a uniform "material muzzle" without dead corners and no gaps. The heat exchange area between the mineral slag and the hot air is increased to the limit, so that the water in the mineral slag quickly rises up and vaporizes and is taken away by the hot air.

6. Original patented technology of layered drying of rotary drum dryer. According to the law of heating speed and travel speed of different particle size particles inside the drum, a multi-component layer drying device is set up, and the small grate is large to control the pulverization of small particles due to excessive drying, and the heating of large particles is different inside and outside. Uneven drying phenomenon ensures the uniformity of drying.

7. Reasonable selection of hot blast stove type, optimize its internal structure design and masonry quality, reduce air leakage rate, reduce oxygen content in hot blast below 5%, 700-1100℃ arbitrary process requires temperature points to be adjusted at will, as a dryer Providing a homogeneous and stable heat source is a reliable guarantee for the high-intensity operation of the mineral slag dryer.

8. The measurement and control technology system adopts computer operating platform and frequency conversion PLC control technology (optional), and online interlocking and interlocking control of process parameters such as temperature, pressure, oxygen concentration, equipment speed, etc., to achieve automatic detection and control of the entire system, with centralized and local The switching function ensures that the system runs stably with maximum output, best quality, most energy-saving mode, safe and explosion-proof.

9. Optimized configuration of gravity sedimentation + cyclone dust collector + wet/bag dust collector three-stage dust collection and dust removal equipment, dust concentration <50mg/Nm3, to ensure that the exhaust gas meets the emission standard.

10. The pioneering modular design, manufacturing, transportation, installation, service concept and assembly test platform to return customers with more optimized design and manufacturing, more convenient transportation and installation services, and to ensure the maximization of customer benefits.

11. Solve the problem of water vapor returning to the material after the temperature of the system decreases during the same direction movement caused by the downstream dehumidification of the traditional dryer, improve the drying efficiency, and achieve the purpose of deep dehydration.

12. The dryer adopts fish scales or labyrinth, expandable graphite packing type mechanical seal dual sealing mode, to ensure the safe operation of the dryer system with closed oxygen.

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