VSFJ series turbo air classifier is produced by Dongguan Vsunny Machinery Co., Ltd. to solve the problems of poor classification effects and low yield of domestic ordinary classifiers. Learning the design from German Alpine and Ecutec S.L., combined with its self-produced VSLM series ultrafine vertical mill classifying technology, the company has developed an industrial leading turbo-type air classifier which can sort 1.5~30μm, and its 2μm content can reach up to 80%.
VSFJ series turbo air classifier has a wide range of applications, such as ground calcium carbonate, light calcium carbonate, talcum, barium sulfate, wollastonite, pyrophyllite, dolomite, graphite, kaolin, brucite, soapstone and other types of non-metallic mineral powder.
The feed screw conveyor will put the powder stored in the hopper in the wind transport duct at a constant flow rate by a computer, and mix the powder with the main stream before entering into the classifier. The main gas stream full of powder first enters into the volute chamber at the bottom of the classifier, and uses both the vortex force of the main stream in the volute chamber and the centrifugal force generated by the rising secondary air in the pre-classifying chamber to make pre-classifying. Coarse particles are first sorted out.
Coarse particles fall from the bottom of the classifier, which are the low-end powder after classification. The secondary air stream sucks from the bottom of the pre-classification chamber and picks the remaining fine powder from the coarse one. The remaining airstream containing finer particles are brought into the final classification zone, in which the outlet is equipped with an automatic classifier having three or more classification rollers for final classification. In this classification zone, the powder is under the action of the centrifugal force, fluid resistance, and its own gravity. Powder which is greater than the convergent point will be sent back to the pre-classification chamber, while powder which is smaller than the convergent point will be brought out of the classifier along the airstream. The blower brings the fine powder from the classifier and becomes the finished product collected by the jet bag filter machine. Part of the gas will be discharged from the exhaust pipe of the device into the atmosphere, in order to maintain the classifying system’s temperature above the dew point in the entire plant operation, whilst the remaining air is recycled as the main airstream. Collected by the bag filter, fine powder and coarse powder in the pre-classification chamber will be delivered to the designated warehouse by the pneumatic conveying system, according to their specifications. The Packing Machine is disposed below the finished product warehouse.
Technology advantages of VSFJ Series Turbo Air classifier
1.Accurate particle size distribution. Maintain a narrow particle size distribution through adjustment and control operations according to the convergent point required.
2.The product is stable, continuous and reliable. The fineness of the product can be adjusted freely by adjusting the rotating speed of the classifying wheel through frequency converter or adjusting the opening of the air valve. The adjusting of the product variety is easy and convenient, continuous and stable.
3.Support large scale of industrial classification production. Designed with mighty vortex classification principle and the classifying impeller located horizontally with single impeller or multiple impellers structure, the classifier is particularly suitable for large-scale industrial classification production of 400~8000 mesh micro powder.
4.Independent system can be established for independent purpose. Suitable for directly connecting various grinding equipment to form a closed-circuit continuous ultrafine production system.
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Established in 2012, Dongguan Vsunny Machinery Co., Ltd. is a high-tech enterprise that has been engaging in research and development, design, manufacturing of ultrafine powder vertical roller mills, new ring roller mills, coarse powder vertical grinding mills, turbo air classifiers, activation modify and coating machines, feed extruders, automatic packaging machines and chemical additives.
The company is located in the economic center Changping Town in the east of Dongguan City in Guangdong Province. The plant area reaches 15,000 square meters. After many years of research and development, it has already earned more than ten patented technologies and assessed as the " Private Scientific And Technological Enterprise in Dongguan” by the Dongguan Municipal Government and in September 2015 it passed ISO9001: 2008, an international standard for quality management system. In March 2016, we also passed ISO14001:2004 environmental management system certification. At the same time, our company is the only business that can produce single and dual hydraulic vertical mills. Since its inception, under the business goal of “technology is changing the quality, excellence comes from professionalism”, our company has taken the lead in developing and designing a national brand for high-end vertical mill equipment.
We are focused on providing all types of powder manufacturers with a turnkey project comprising a whole set of ultrafine powder production lines, from crushing, transportation, grinding, classifying to the design, manufacturing, installation, commissioning, training of the whole plant equipment, as well as delivering excellent after-sales services and technical support. Because the production process is automatically controlled and has reached the international leading level, we have such advantages as more stable production lines, more environmentally friendly production environment and more exemplary product quality. In addition, we have a patch of experienced, high-quality technical and management talents with over 100 employees, of which technical personnel account for 80% and R&D personnel occupy 10%. Over the years, we continue to explore grinding areas, makes in-depth research of the most advanced grinding, classifying and modifying techniques home and abroad, insist on research and development and innovation, thereby forming a set of mature ultrafine powder production with independent intellectual property rights for vertical mill, classifying, modifying and activation processes and to be used in the production of ultrafine powder.
In order to better serve customers, our company set a vertical mill production line in Pinggui District, Hezhou City, Guangxi, with a full set of secondary and tertiary classifying systems and modifying machine production lines. We also possess MALVERN-2000 laser diffraction particle size analyzer which was imported from the UK, ore whole composition analyzer and a full set of imported equipment. Concurrently we are building a modern, multi-functional key laboratory in Changping, Dongguan, with the purpose of providing customers with on-site grinding experiments and testing experiments regarding calcium carbonate, talcum powder, barium sulfate, wollastonite, dolomite, waste ceramic tiles, and pyrophyllite, etc.
A variety of equipment we produce has been widely used in preparing various kinds of ultrafine powder in different fields, including marble, calcite, talc, barite, dolomite, kaolin, wollastonite, limestone, feldspar, mica, gypsum, pyrophyllite, ceramic, aluminum hydroxide and magnesium hydrate. Our products are well received by customers nationwide.
Based on China, Vsunny will strive to reach out to the world!