Application of Vibrating Sieve in Reduced Iron Powder

Reduced iron powder is also known as a "double absorbent" because it can absorb moisture and oxygen in the air, and has good applications in food preservation, chemical production, laboratory operations, etc. Different application industries have different requirements on the mesh number and particle size of reduced iron powder, so it is often necessary to classify the reduced iron powder by mesh number through screening equipment to meet the needs of various industries. However, the reduced iron powder is very easy to be oxidized, and the reduced iron powder with high fineness has the risk of explosion during the classification process. Therefore, the Dahan vibrating sieve manufacturer recommends the use of ultrasonic vibrating sieve, and the motor must be an explosion-proof vibration motor.

Application process of vibrating sieve in reduced iron powder

The preparation process of reduced iron powder is divided into primary reduction and secondary reduction:

One reduction is the reduction of solid carbon to produce sponge iron. The main process is: (iron concentrate, rolled steel scales, etc.) → drying → magnetic separation → crushing → screening → canning → entering a reduction furnace → sponge iron.

Secondary fine reduction process: sponge iron→cleaning→crushing→magnetic separation→secondary reduction furnace→powder block→shredding→magnetic separation→screening→grading→mixing→packaging→finished product.

The screening step in the above two reduction processes is the process of screening equipment. Considering that the reduced iron powder is a fine powder with high added value, the particle size of the powder is as fine as 0.5μm. Generally, 80 mesh, 120 mesh and 200 mesh are used to filter, Therefore, vibrating screen manufacturers recommend the use of ultrasonic vibrating sieve with ultrasonic deblinding system for screening.

Advantages of ultrasonic vibrating sieve screening reduced iron powder

1. While achieving high-precision and high-mesh sieving, it can control a narrow particle size range.

2. It can be used in single-layer and multi-layer, and a set of intelligent ultrasonic generator uses three transducers at the same time.

3. Thorough screen self-cleaning function: more than 500 mesh screening, no mesh blockage.

4. Really solve the screening problems such as strong adsorption, easy agglomeration, high static electricity, high precision, high density and light specific gravity.

5. Ensure that the characteristics of the processed materials remain unchanged.

6. No contamination of powder by auxiliary objects such as bouncing balls;

7. The screening accuracy can be increased by 1-70% compared with the ordinary vibrating screen, and the output can be increased by 0.5-10 times.

For more screening solutions, or detailed information, please contact Dahan Machinery.