Vibrating Sieve for Powder
Vibrating sieve for powder is a special term for the screening of powder materials in various industries. In order to maintain the accuracy, the powder will be screened. For example, the powder in the pharmaceutical and food industries needs to be isolated from external pollution, and the chemical and metallurgical industries need to prevent material It can be seen that the sealing treatment of the vibrating sieve for powder equipment must be in place. How to achieve the sealing treatment?
Sealing device for vibrating sieve for powder
The vibrating sieve for powder is composed of multiple parts, which can not avoid the gap between the combinations. Jinhe uses rubber or silicone rubber sealing strips for sealing treatment, and the inlet and outlet can be selected with soft The connection is to connect the cylinder to perform the connection and sealing process. There must be a dust cover for vibrating sieve for powder. In order to facilitate the observation of material sieving, please note that an observation port should be left on the dust cover at the time of purchase.
The other is the position of the spring. For example, medical vibrating sieve needs to be treated with an apron, that is, the spring is also surrounded. This can effectively prevent the internal and external dust from covering the vibration motor for a long time, which can effectively affect the service life of the motor, and the appearance will also be affected accordingly. nice.
Cleaning device for vibrating sieve for powder
The powder has different thickness and is easy to block holes. For this reason, Jinhe will install rubber or silicone bouncing balls between the mesh frame and the screen. The bouncing ball bounces and hits the screen under the effect of vibration to achieve effective net cleaning effect. . There are also some powders that have static electricity, are prone to moisture agglomeration, contain oil, and have too fine particle size. Ultrasonic vibrating sieve is recommended.
For example, powders such as sulfur powder and polyvinyl alcohol are explosive. When purchasing, you must explain to Jinhe staff. In order to avoid the danger, it is recommended to use explosion-proof vibrating sieve, which is to replace the motor of the vibrating sieve. For explosion-proof motors.
Material and model specifications of vibrating sieve for powder:
The material is mainly divided into three types:
1. The part in contact with the material is made of stainless steel, and the bottom cylinder is made of carbon steel;
2. All stainless steel, and the bottom cylinder is also made of stainless steel;
3. All carbon steel, the part in contact with the material is also made of carbon steel.
For corrosive materials that cannot be satisfied by stainless steel, Jinhe has launched a plastic material vibrating sieve. Models are divided into: XZS series, S49 series, JH series, diameter 600-1800mm, 1-3 layers of multi-level screening, more space for selection.
Recommended mesh size of powder vibrating screen
Fine powder (100-400 mesh): used for screening and grading fine powder to ensure the uniformity and fineness of particles.
Medium powder (40-100 mesh): suitable for powders with medium particle size, which can effectively remove impurities and improve product quality.
Coarse powder (10-40 mesh): used for screening powders with larger particles, removing large particle impurities, and improving product uniformity and quality.
Mixed powder (different mesh sizes used in combination): For mixed powders, you can combine sieves of different mesh sizes to screen according to the specific particle size requirements to achieve the desired grading effect.
Related cases of powder vibrating screen
Powder type |
recommended mesh |
range |
Chinese medicine powder |
80-600 mesh |
coarse powder (80-100 mesh), general powder (120-200 mesh), fine powder (300-600 mesh) |
Flour |
18-400 mesh |
rough impurity removal (18-20 mesh), loose sieving and block removal (24-40 mesh), fine selection (within 400 mesh) |
Starch |
20-400 mesh |
impurity removal (20-30 mesh), screening (50mm-400 mesh) |
Feed additives |
30-200 mesh |
Screening impurities (30-200 mesh), output: 300-1000kg/h |
Chemical powder coatings |
60-325 mesh |
Powder coating screening, select fineness according to process requirements |
Metal powder |
20-300 mesh and above |
Coarse screen (20-60 mesh), medium screen (80-120 mesh), fine screen (150-300 mesh and above) |
Alumina powder |
60-600 mesh |
Industrial grade alumina screening, single particle dispersion without agglomeration |
Precautions for powder vibrating screen
Material characteristics: sticky, static or ultra-fine powders require ultrasonic vibrating screens.
Production requirements: Powder vibrating screens have a large processing capacity, while rotary vibrating screens have higher precision but smaller output.
Equipment selection: Select the model based on the powder type, fineness requirements and output.
For special customization, you can directly consult Dahan Machinery. The vibrating sieve sub-equipment produced by Dahan Machinery can be designed and produced to meet the needs of users, and there are many kinds of vibrating sieve sub-equipment. 14 production experience, looking forward to working with you!
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