A stainless steel screening machine refers to a type of screening equipment whose core components such as the screen box, screen mesh, and contact parts are made of high-quality stainless steel materials (such as 304, 316L). It covers various types of vibrating screens such as rotary vibrating screens, linear vibrating screens, direct discharge screens, and ultrasonic vibrating screens, etc. However, the common core value of these devices lies in their outstanding corrosion resistance, excellent hygiene performance, and long service life. These equipment are specifically designed for industries such as food, medicine, and chemical products that have strict requirements for material purity, production hygiene, or equipment corrosion resistance. They are key equipment for ensuring product quality safety, meeting GMP (Good Manufacturing Practice for pharmaceuticals) standards, and achieving clean production.
Working principle
The working principle of the stainless steel screening machine is closely related to its specific type, but the core is to achieve material separation through vibration. Taking the most common stainless steel rotary vibrating screen as an example: the bottom vibration motor (or top vibration source) drives the upper and lower eccentric blocks to rotate, generating three-dimensional combined forces (horizontal, vertical, and inclined), forcing the screen and the materials to perform complex rotary oscillation movements. After materials enter the center feed port and fall onto the screen surface, under the combined action of centrifugal force, gravity, and excitation force, they spread out in a spiral pattern towards the outer edge. During this process, fine particles quickly pass through the screen and become the screen discharge, while coarse particles move along the screen surface to the outer edge and are discharged, achieving precise classification. Other types such as the linear screen generate directional linear vibration, pushing the materials to move in a straight line and for screening.
Core feature
Copper-core high-strength shock-resistant motor has a long service life, low noise and is easy to maintain.
The widened discharge port enables smooth discharge and no blockage, ensuring stability.
The shock-absorbing spring has good elasticity and can stably transmit the excitation force.
The durable stainless steel screen plate is standard and reliable, with a long service life, high wear resistance and high precision. Customized screen mesh is available.
Application fields
The stainless steel screening machine is the preferred equipment for the following industries that have special requirements for hygiene, corrosion resistance or purity:
Food and beverage industry: Screening and separation of flour, starch, sugar powder, salt, milk powder, soybean powder, seasonings, fruit juice, tea powder, etc., as well as controlling particle size.
Pharmaceutical and health supplement industry: Precise screening of Chinese herbal powder, raw materials for Western medicine, granules, capsule fillers, health supplement powder, ensuring no cross-contamination.
Chemical and pigment industry: Screening of resin powder, coatings, dyes, pigments, pesticide powder, fertilizers, plastic particles, etc., resistant to chemical corrosion.
Metallurgy and mining industry: Although not commonly found in highly corrosive environments, it can be used for the screening of high-purity metal powders (such as tungsten powder, cobalt powder) or special chemical reagents.
Ceramics and abrasive materials industry: Grading of materials such as glaze, ceramic powder, diamond sand, silicon carbide, etc., for particle size classification.
Environmental protection and recycled resources: Used for screening in wastewater treatment or fine sorting of recycled materials.
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