High Efficiency Slitting Rewinder Machine for Battery Material Drying and Organic Solvent Recovery

Battery material drying and organic solvent recovery engineering

Project Overview:

With the rapid development of new energy and new materials around the world, the new battery materials in the field of widely coated batteries have also become an emerging field, which will develop rapidly in recent years, and its production process is in great need of revolutionary auxiliary equipment to complete, and the special equipment for battery materials we developed has also come out.

In view of the relevant characteristics of battery (electromagnetic) materials (lithium iron phosphate, ternary materials, etc.), our company has developed SZG double cone rotary dynamic vacuum drying unit, FZG square vacuum static drying unit of the two major drying series of equipment and efficient recovery device for volume recovery, after the actual use of many customers, sufficient use data proves: the equipment can fully meet the drying requirements of the product, the quality is stable, and the performance of the solvent is excellent, and the recovery efficiency is very high.
The system includes a heating system, a hot medium circulation system, a drying system, a dust filtration system, a solvent recovery system, and a vacuum system.

Technical process (flow chart): Call in detail.

Working principle:

Raw materials are pumped to the drying main body of the drying host through the transport pump, at the same time, the heating medium is transported to the heating sandwich of the dryer through the pipeline pump, the raw material is heated through the drying machine wall to obtain heat, and the water is gradually taken away under the action of the vacuum system to achieve the purpose of drying; in the raw material near the drying stage, in order to prevent part of the powder from being pumped out by the vacuum pump, the design adopts a special bag filter collection; the organic solvent contained in the raw material is condensed through the special condenser secondary condensation, so that the overall recovery rate reaches more than 95%.

Advantages:

The drying process is carried out under negative pressure conditions, so even if it contains organic solvent media, but the process is still very safe, and the drying speed is fast, the drying time of each batch of products is about 4 hours; the drying process is carried out under reduced pressure conditions, and the set drying temperature is relatively low, the vacuum pump is always working continuously, so the product quality is stable; the system is designed with a special bag filter, so there is no dust flying; the secondary condensing device is cooled in a large area, and the solvent recovery rate is high; the heating device can be heated with hot water, steam, and heat conduction oil The special bag filter is easy to disassemble and wash; the whole set of unit transmission components is small, and it does not work under strong load conditions, so the unit has a long service life.

Features of double cone rotary vacuum dryer:

Double cone rotary vacuum dryer is a new type of dryer that integrates mixing-drying. The condenser, vacuum pump and dryer are matched to form a vacuum drying device. (If there is no need to recover the solvent, the condenser can not be used) The machine design is advanced, the internal structure is simple, the cleaning is easy, the material can be discharged, and the operation is simple. It can reduce labor intensity and improve the working environment. At the same time, because the material also rotates when the container itself rotates, but there is no accumulation of material on the wall, the heat transfer coefficient is high and the drying rate is large, which not only saves energy, but also the material is dried uniformly and fully, and the quality is good. Can be widely used in pharmaceutical, chemical, food, dye and other industries drying

Double-conical rotary vacuum dryer is a double-conical rotary tank, the tank in the vacuum state, into the jacket into the heat transfer oil or hot water for heating, heat through the tank wall and wet material contact. The water vapor or other gases that evaporate after the moisture absorb heat are pumped away through the vacuum exhaust pipe through the vacuum pump. Because the tank body is in a vacuum state, and the rotation of the tank makes the material constantly up and down, inside and outside, so it accelerates the drying speed of the material, improves the drying rate, and achieves the purpose of uniform drying.