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The yeast dryer is a kind of dryer machine that uses steam to dry the material by indirect heating with high heat utilization and low energy consumption. It is especially suitable for the recycling of brewery yeast. The control of the temperature is the core technology, which avoids killing the beneficial ingredients in the yeast. The yeast dryer of our company is divided into single-cylinder type and double-cylinder type, which can meet the needs of breweries of different scales. This dryer is suitable for drying liquid raw material or sticky material in chemical industry, dyestuff industry, pharmaceutical industry, foodstuff industry, and metallurgy industry, etc.
Working Principle of Yeast Dryer
The preheated slurry is put into the preheating tank, preheated to about 50ºC. Then It is fed into the dipping tank with a feed pump. With The cylinder immersed in about 60-80mm, the outer surface of the rotating cylinder is coated with a layer of slurry evenly. the steam pressure in the dryer is 0.15-0.3Mpa, then the dry material is scraped off by the scraper, falls to the discharge port for collection.
Advantage of Yeast Dryer
1. Flexible operation, wide application. it can adapt to the requirements of various materials output
2. The contact parts between the equipment and materials are made of high-standard stainless steel, which is anti-corrosion and pollution-free.
3. High thermal efficiency, the general thermal efficiency is between 80% and 90%.
4. Short drying time: The film formed on the outer wall of the cylinder is generally with thick of 0.5-1.5mm at the beginning of drying process. and the time of entire drying cycle is only 10-15s, which is especially suitable for heat-sensitive materials.
5. High drying rate: due to the thin film and the consistent direction of heat and mass transfer, the vaporization intensity of 30-70kg · H20 (M2 · h) can be maintained on the film surface
| Model | Capacity (kg/h) | Drum Size (mm) | Drum Rotation Rate (r/min) | Steam Working Pressure (Mpa) | Power (kw) | Weight (Ton) |
| DD1015 | 15-17 | Φ1000×1500 | 4-8 | 0.15~0.3 | 4 | 3.2 |
| DD1520 | 30-35 | Φ1500×2000 | 4-8 | 0.15~0.3 | 7.5 | 4.8 |
| DD2025 | 70-80 | Φ2000×2500 | 4-8 | 0.15~0.3 | 13.7 | 9.3 |
Zhengzhou Dongding Machiney Co., Ltd. is a high-tech enterprise integrating R&D design, production installation, production management, sales, after-sales service and technical consultation.
We have core technology system, which integrates the thermal combustion, dehydration, drying, molding, separation and dust removal. Scientific equipment selection and technical process optimization are adopted according to different material characteristics. Currently our equipment has been successfully applied in the coal, feed, biomass fuel, organic fertilizer processing industries. Especially the coal dryers like lignite coal dryer, coal ash dryer, raw coal rotary dryer, coal slime dryer, etc. are well received by the customers at home and abroad.
At present, our products have been recognized by customers in China and all over the world, and successfully exported to Indonesia, South Africa, Vietnam, Thailand, Myanmar, India, Egypt and other countries and regions.
