Non Vibration Airflow Centrifugal Sifting Screener Machine

Non vibration airflow centrifugal sifting screener machine

 

 

Non vibration airflow centrifugal sifting screener machine is a kind of high-precision screening equipment for fine mesh size powder. It is widely used in chemical, pharmaceutical, food, paper making, metallurgy, building materials, rubber, machinery and other industries. It can continuously screen powdery materials with a fineness range of 80-500 mesh, and the screen mesh can be replaced at will. As it is adopt the general motor, so no vibration force for the whole machine and no breakage for screened powder. The airflow centrifugal sifting screener machine has the characteristics of high screening efficiency, large output, accurate fineness, and no over-diameter mixing phenomenon.

 

 

 

In the traditional sense, vibrating screening equipment relies on a certain frequency of vibration motor to achieve granular or powder material classification. Because it is an open screening, the material screening process is dusty and invisible during the sieving process. Thus causing waste and losses, and leading to great pollution of the natural environment and working environment. At the same time, vibrating screening has great requirements on materials characteristic, such as specific gravity, viscosity, and chemical properties, which results in many materials with small specific gravity being unable to pass through the screen, and many materials with high mesh number screening requirements cannot be screened.

 

 

Since 1984, we have focused on the research and development of screening equipment that can achieve rapid, environmentally friendly and accurate screening of materials. After 8 years of technical research, combined with aerodynamic theory and mechanical engineering theory, we developed China's first air flow screen-HLQS-100, and applied for the first national patent for air flow sieve powder machine in 1992, filling the gap in China's lack of screening equipment for medium and high mesh materials, and already has 4 national practical applications for air flow sieves New model and invention patents.

 

 

Since entering the 21st century, after nearly 10 years of continuous improvement and improvement, it has become increasingly perfect and has formed a series of products that can adapt to the screening requirements of various difficult-to-screen materials of different fineness and output, achieving energy saving, high efficiency and environmental protection. After nearly 30 years of development and three generations of technological research and innovation, airflow sifting machines have become increasingly mature and are widely used in many of industries such as chemicals, food, building materials, and coatings.

 

 

 

The air flow screen abandoned the traditional operating principle of gravity potential energy and opens up a new way of screening by using the kinetic energy of the carrier fluid. It uses high-speed airflow as a carrier in a closed state to make the fully diffused powder particles move towards the screen with sufficient kinetic energy spray to achieve the purpose of rapid grading. The fine powder material enters the feeding inlet through the screw conveyor, and immediately spreads and mixes with the air to form a mist. Under the action of the rotating wind wheel, the material is sprayed through the screen in a cyclone shape. The fine powder passing through the screen is transported into the screen directly falling into the negative pressure circulation air duct, under the action of the induced draft fan, all the gas and fine powder enter the settling chamber. After the finished fine powder settles, it is discharged from the lower discharge auger. Most of the gas with a small amount of dust enters the dust bag. After purification, a small part is discharged from the bag and enters the circular circulation air duct under the screen body through the return air duct, and then enters the settling chamber through the induced draft fan for secondary separation.

Materials that cannot pass through the screen will fall into the screen tray and be discharged out of the machine through the oversize discharge port. For materials containing large particles, they should first be screened with a vibrating screen or rotary vibrating screen equipped with a 40--60 mesh screen to screen out large particles or foreign matter to prevent the screen being punctured. or broken.

 

 

 

Air flow sifting machines are widely used in the screening and classification of powdery materials in chemical, papermaking, metallurgy, building materials, medicine, food, rubber, plastics, machinery and other industries. Such as light calcium powder, heavy calcium powder, fly ash, graphite powder, starch, gold powder, zinc powder, clay powder, perlite powder, hawthorn powder, fruit and vegetable powder, glass powder, pesticide powder, iron powder, traditional Chinese medicine powder, konjac powder , wood flour, flour, etc. According to the fineness requirements of the materials to be screened, the screen mesh can be replaced at will within the fineness range of 100 mesh to 500 mesh. The screen mesh material can be stainless steel mesh, copper mesh or nylon mesh.

 

 

 

1. Fully enclosed structure, no dust spillage.
2. The fineness is accurate and there is no over-diameter mixed grade phenomenon.
3. Low noise, low power consumption, continuous operation, and easy maintenance.
4. The vertical installation of the screen has no load, long service life, and can adapt to a wide range of fineness.
5. Large output and high screening efficiency, which can reach more than 95%. The output is 5-10 times or higher than that of the vibrating screen.

 

 

Model	Air Flow	Screen Mesh(mesh)	Cylindrical Screen Size	MotorPowe(kw)
S18-65	240	5-500	180×850	1.5
S30-100	300		300×1000	3
S50-130	460		400×1200	3
S65-180	460		500×1300	4

 

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