Hicap
starts in 2000 and operates five subsidiaries in China nowadays.
Dedicated
to become a professional cap manufacturer that earns customer`s trust, employees`
satisfaction, community`s respect and worldwide recognition, Hicap aims to serve
leading companies in liquor, wine, drink and oil industry.
With
an investment of US$15 million, Hicap Yantai covers 30,000 sqaure meters land and
is equipped with edge-cutting machines and R&D facilities.
It`s
capble of producing various-sized aluminum caps, wine screwcaps, plastic caps and
full range of non-refillable caps.
We have passed the
accreditation and certification of ISO 9001, ISO14001, and Occupational
Safety and Health Management Systems.
Closure For Liquor,Screw Bottle Caps,Screw Top Glass Bottle Yantai Hicap Closures Co., Ltd. , https://www.hicapclosure.com
Ultrafine powder dryer is an advanced version of the rotary flash dryer, designed as a multifunctional system that combines drying, grinding, and classification. It is specifically engineered for processing ultra-fine and nano-scale materials with strict particle size control requirements. This type of dryer is ideal for applications where high-quality, consistent powders are essential.
Rotary flash dryers operate on the principle of solid fluidization, where wet or paste-like materials are introduced into the dryer and mixed with hot air. The material forms a fluidized bed under the influence of both thermal energy and mechanical dispersion. This process enables rapid heat and mass transfer, resulting in a fine powder product that is collected at the end of the system.
**Key Differences Between Ultrafine Powder Dryer and Flash Dryer**
1. **Structural Differences**
(1) The ultrafine powder dryer features a high-speed stirring and crushing mechanism, operating at several thousand revolutions per minute, whereas the flash dryer only reaches a few hundred RPM. This allows the ultrafine dryer to achieve superior crushing performance.
(2) The air inlet in a flash dryer is tangential, and the rotational speed of the air inside the drying chamber depends on the inlet velocity. In contrast, the ultrafine powder dryer uses high-speed rotation that is independent of the system, ensuring more stable and reliable operation.
(3) The feeding system of the ultrafine dryer employs a unique double-helix design, enabling smooth and continuous material flow. It also uses a continuously variable transmission, allowing for reliable low-speed operation. This is different from the feeding mechanism used in flash dryers.
(4) The classification system in the ultrafine dryer includes a rotating device with adjustable speed, offering better control over particle size. The flash dryer, on the other hand, typically uses a fixed grading ring, which limits its classification efficiency.
2. **Performance Differences**
(1) The ultrafine powder dryer provides more precise control over moisture content and particle fineness compared to the flash dryer. While the flash dryer can produce fine particles, it lacks the ability to finely adjust the final product’s characteristics.
(2) Due to its enhanced grinding capabilities, the ultrafine dryer produces a higher output with finer particle sizes than the flash dryer.
(3) The thermal efficiency of the ultrafine powder dryer is significantly higher, leading to greater energy savings. For example, it requires only 1000 Kcal to evaporate 1 kg of water, while the flash dryer needs around 1500 Kcal for the same amount.
3. **Comprehensive Performance Comparison**
The advantages of using an ultrafine powder dryer include:
(1) Compact design and minimal floor space, with smaller supporting equipment such as fans and dust collectors.
(2) Lower energy consumption and significant energy savings, making it more cost-effective in the long run.
(3) High production capacity and the ability to generate ultra-fine powders, meeting the demands of advanced industrial applications.
Overall, the ultrafine powder dryer offers improved performance, efficiency, and control, making it a preferred choice for industries requiring high-quality, ultra-fine powders.
October 05, 2025