Shenyang Yitong Entrepreneurial Technology Co., Ltd. used a loose rotating dryer to solve the drying problem of high watery dregs. According to the characteristics of penicillin mycelia, cephalosporin dregs, and rifampicin dregs, a two-stage combined drying process was developed. The maximum dewatering capacity of the combined drying equipment reaches 2500kg per hour. Its characteristics are as follows:
1 Using high-temperature rapid drying process, short drying time, large amount of water.
2 The machine is equipped with a special breaking device to rapidly disperse the broken materials without sticking walls and coking phenomenon.
3 The copy board designed according to the material drying characteristic curve is divided into push material copy board, turn material copy board, and lift material copy board discharge copy board.
4 The hot air circulation technology was adopted to make the secondary dryer fully utilize the exhaust heat of the primary dryer and improve the thermal efficiency. The exhaust from the secondary dryer is approximately 75°C.
5 The drying cost is low, and 80% of the dregs are dried to 12% in the initial water content and 350 yuan per ton of dry product.
The process is as follows:
About 80% of the water content of the material, by the feeding machine into the double screw conveyor, and then sent to the loose rotary dryer (first-level dryer), the drying device breaks the broken device on the wet material constantly broken, broken, The pen surface area of ​​the material is increased, and the volumetric drying strength of the device is increased. At the same time, it is in full contact with the high-temperature cleaning flue gas generated by the direct-fired hot blast stove at 800° C., and the material temperature is always maintained near the wet bulb temperature of the air. During this process (ie constant drying stage), the moisture content (wet basis) of the material is from 80% to less than 35%.
The material discharged from the primary dryer enters the secondary dryer, a large-scale vibrating fluidized-bed dryer. The hot air used in the secondary drying is the exhaust gas that is purified from the primary dryer. This is an important aspect of energy saving in this process. Measures. In this process (ie, slow drying stage), the moisture content (wet basis) of the material was reduced from 35% to 10%, and the cooling process was completed at the same time. The discharge temperature was lower than 55°C.
The dried product can be directly bagged and packaged. After screening, the unqualified product is returned to the feeder and further broken and dried until it passes the qualification.
1 Using high-temperature rapid drying process, short drying time, large amount of water.
2 The machine is equipped with a special breaking device to rapidly disperse the broken materials without sticking walls and coking phenomenon.
3 The copy board designed according to the material drying characteristic curve is divided into push material copy board, turn material copy board, and lift material copy board discharge copy board.
4 The hot air circulation technology was adopted to make the secondary dryer fully utilize the exhaust heat of the primary dryer and improve the thermal efficiency. The exhaust from the secondary dryer is approximately 75°C.
5 The drying cost is low, and 80% of the dregs are dried to 12% in the initial water content and 350 yuan per ton of dry product.
The process is as follows:
About 80% of the water content of the material, by the feeding machine into the double screw conveyor, and then sent to the loose rotary dryer (first-level dryer), the drying device breaks the broken device on the wet material constantly broken, broken, The pen surface area of ​​the material is increased, and the volumetric drying strength of the device is increased. At the same time, it is in full contact with the high-temperature cleaning flue gas generated by the direct-fired hot blast stove at 800° C., and the material temperature is always maintained near the wet bulb temperature of the air. During this process (ie constant drying stage), the moisture content (wet basis) of the material is from 80% to less than 35%.
The material discharged from the primary dryer enters the secondary dryer, a large-scale vibrating fluidized-bed dryer. The hot air used in the secondary drying is the exhaust gas that is purified from the primary dryer. This is an important aspect of energy saving in this process. Measures. In this process (ie, slow drying stage), the moisture content (wet basis) of the material was reduced from 35% to 10%, and the cooling process was completed at the same time. The discharge temperature was lower than 55°C.
The dried product can be directly bagged and packaged. After screening, the unqualified product is returned to the feeder and further broken and dried until it passes the qualification.
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