Introduction:

Shanbao Machinery, founded in 1989, is a large-scale professional feed machinery fittings manufacturer, that integrates production, sales, and service. The headquarter is located at the new zone of Meishan Industrial Park, Sichuan, China. Covering an area of 40000sq.m with 3 plants for forging and casting, drilling and fine turning. Most workers have more than 30 years of experience in machinery production. Besides, we’re the only dies manufacturer who has its own forging and casting factory in China, it means we can control the quality from the beginning.

Sieves Description

The screen sieve is a crucial wearing part of the hammer mill. It controls the fineness of the crushed product by its type, shape, hole size and opening ratio, and wrap angle. It is widely used in the fields of feeds, biomass pellets, medicine, etc. Generally high opening rate is for the feed.

Function: The sieve consists of perforated metal or mesh that allows smaller particles to pass through while retaining larger ones. This ensures that the final product meets the desired particle size specification.

Particle Size Control: By changing the sieve with different hole sizes, operators can control the fineness of the ground material. Smaller holes produce finer particles, while larger holes allow for coarser outputs.

Material Flow: The sieve also helps in maintaining a consistent flow of material through the mill. Once particles reach a size small enough to pass through the sieve, they exit the milling chamber.

Efficiency: A well-designed sieve improves the efficiency of the hammer mill by reducing the risk of clogging and ensuring that the milling process runs smoothly.

How does the sieve size affect the quality of the final product?

The sieve size in a hammer mill significantly affects the quality of the final product in several ways:

Particle Size Distribution: The sieve size determines the range of particle sizes produced. A smaller sieve will yield finer particles, while a larger sieve will produce coarser particles. The desired particle size depends on the application (e.g., feed, flour, etc.).

Solubility and Digestibility: Finer particles generally have a larger surface area, which can enhance solubility and digestibility in feed applications. This is particularly important for animal nutrition, as it affects nutrient absorption.

Texture and Consistency: The sieve size contributes to the texture of the final product. Consistency in particle size is crucial for uniformity in processing and end-use, impacting aspects like mixing and baking qualities.

Flowability: Smaller particles can lead to poor flowability in some applications, while larger particles may flow better. This can affect handling, mixing, and processing downstream.

Quality and Stability: In products like flour, finer particles may lead to better baking quality and stability. Conversely, overly fine particles can affect the product’s shelf life due to increased oxidation.

Energy Efficiency: The choice of sieve size can also influence energy consumption during milling. Finer milling may require more energy, so selecting the appropriate sieve size can optimize operational costs.

In summary, selecting the right sieve size is crucial for achieving the desired quality, functionality, and efficiency of the final product.

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