JIANGSU GUOJIN DRYING TECHNOLOGY CO., LTD
Specalizes in dryer, mixer, granulator, crusher, conveyor, screen and other equipment.
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1500L Condensates Double Cone Dryer For Bacteria Fertilizer Granules
DCRD double cone vacuum dryer is a new type of drying equipment which combines similar product technologies at both home and abroad. This rotary vacuum dryer possesses a belt and chain two-stage elastic connection modes. With a low center of gravity, this drying machine can operate smoothly. Heating medium and vacuum system adopt reliable mechanical seal or rotating joint, so as to avoid defects such as the regular packing seal are easy to leak. On this basis, we modify this double cone vacuum dryer. It not only embodies the humanized design concept but also meets the GMP standards.
Biconical rotating vacuum dryer is the dryer suitable for ultra vacuum drying of all kinds of humid, crystalline and amorphous products.
Fully heated and insulated drum, rotating at low speed under high vacuum, continuously renovating the product in contact with the heated walls.
Working Principle
In order to achieve rapid drying at low temperatures, including the drying of deep pores, in a way that does not damage the product, specialized drying technology – vacuum drying – must be used.
The complete product will move into the chamber. The pressure reduces for so long the saturated steam tension is reached. The water will discharge through the vacuum chamber from that point. The raw material is charged in batches & is subjected to indirect heating while at the same time undergoing rotary motion of the cone assembly. The double conical shape of the dryer ensures efficient circulation of hot liquid heating media. Drying takes place when heat flows from the outer cone through a jacket, and vacuum is applied in the inner cone. The drying operation is based on the principle that water or other volatile product moves from a zone of low pressure. This is accomplished by warming the product to be dried to raise the vapor pressure of the absorbed or free liquid by vacuum or by sweeping it with Air or Nitrogen current. Thus the essential conditions for effective drying are achieved by uniform heat transfer throughout the batch and rapid removal of the vapor. The vacuum is applied gradually with PLC control by throttling.
Most times the specific heat from the evaporating product is lower than from the base material. This material ensures that the temperature will drop slowly or even not. The pressure (vacuum) will achieve any part of the product so the moisture will evaporate. For a short period there results in a homogeneous temperature.
Product Application
The drier is suitable for drying and mixing powder or granule raw material of pharmaceutical industry, foodstuff industry and chemical industry and so on. Especially it is suitable for the folliwing raw materials that have special requirements:
Thermal sensitive raw material that can not in high temperature;
Raw materials that are easy to be oxidezed or to be dangerous;
Raw materials in which the solvent needs to recover and there is toxic gases;
Raw material that have the requirement of containing rather Iow content of residue volatized materails;
Raw materials that need to mix evenly and fully.
Technical Parameters
| Model | 100 | 350 | 500 | 750 | 1000 | 1500 | 2000 | 3500 | 4500 | 5000 |
| Volume inside of tank(L) | 100 | 350 | 500 | 750 | 1000 | 1500 | 2000 | 3500 | 4500 | 5000 |
| Max loading capacity(L) | 40 | 140 | 200 | 300 | 400 | 600 | 800 | 1400 | 1800 | 2000 |
| Max loading weight(kg) | 20 | 70 | 100 | 150 | 200 | 300 | 400 | 700 | 900 | 1000 |
| Revolution(rpm) | 3-13 | 6 | 5 | 4 | 4 | 4 | ||||
| Heating area(M2) | 1.1 | 2.3 | 2.8 | 3.9 | 5.1 | 6.5 | 8.2 | 12.2 | 16.5 | 18.2 |
| Motor power(kw) | 0.75 | 1.1 | 1.5 | 2.2 | 3 | 4 | 5.5 | 7.5 | 11 | 15 |
| Occupied area(mm) | 2160*800 | 2160*800 | 2350*800 | 2560*1000 | 2860*1300 | 3060*1300 | 3260*1400 | 3760*1800 | 3960*2000 | 4400*2500 |
| Rotating height(mm) | 1750 | 2100 | 2250 | 2490 | 2800 | 2940 | 2990 | 3490 | 4100 | 4200 |
| Design pressure of tank(Mpa) | -0.1~0.15 | |||||||||
| Desing pressure of jacket(Mpa) | <0.3 | |||||||||
| Weight(kg) | 800 | 1100 | 1200 | 1500 | 2800 | 3300 | 3600 | 6400 | 7500 | 8600 |
Schmatic of Installation
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