Vibrating Screens

Vibrating Screens

Screening is the process of separation of bulky products, which are initially part of a heterogeneous bulky mass with different particle sizes. The process takes place by passing the products through the selection decks of the vibrating screens, which are provided with net openings of different sizes.

Based on the amount of material that passes through the openings, the vibrating screens are classified as follows:

  • SAFETY SCREENING, when the amount of product passing through represents within 90 ÷ 100 % of the entire amount of product
  • SCREENING /SELECTION, when the amount of product passing through represents within 10 ÷ 90 of the entire amount of product
  • SCREENING OR DEDUSTING, when the amount of product passing through represents within 0 ÷ 5 % of the entire amount of product

The vibrating screens have an important role in the processes of many industrial fields; knowing the exact type of machine that should be inserted in the plants, understanding the requested function thanks to the acquired experience and then developing the machine that best suits these needs is always a challenge.

Therefore, when talking about vibrating screens and vibrating process in general, it is better to rely on professionals in the industry such as Vibroprocess, as they continuously developed and updated their applications making them more efficient and effective.

The know-how acquired over the years allows Vibroprocess machines to be successfully used in various fields, that involve several different processes.

Single Deck Vibrating Screen

Screening is an important step in the recycling process, providing separation and classification of waste bulk materials. We are able to supply and install Vibrating Screens for most recycling applications.

Our Vibrating Screens operate with either a linear or elliptical vibratory motion, dependent on the application and can be supplied as open, semi or fully enclosed units.

For the majority of applications single deck vibrating screens are used, typically in the form of a steel grid with apertures sized to suit the required screening. These are often stepped in graduated sections with a row of tapered tines/fingers positioned at the edge of each section, for the purpose of flipping the product, as it cascades down the screen, to assist in the separation of the fines.

Benefits of Using Single Deck Vibrating Screens

  • Feed Capacity up to 1,000 tonnes per hour
  • Optimised screening panel movement ensures the screen openings remain clear.
  • These robustly constructed Vibrating Screens include optimum side sealing, which prevents loss of material and wear to the side plates.
  • Low maintenance requirement

Double Deck Vibrating Screen

Double deck vibratory screens for exact separation sizes from approx. 1 up to 300 mm.

  • Compact construction designed for continuous operation. Optimal vibration insulation using highly elastic spring elements. The inclination can be adjusted from 0° to approx. 8°..
  • Latest drive technology using quiet and low-maintenance drives as unbalance motors, magnetic drives, unbalance exciters or shaft drives with adjustable centrifugal force.

Screen bottom available as:

    • perforated plates
    • Flip-Flow screen decks
    • 3D-screen units
    • PU-screens
    • woven screens
    • slotted screens
    • finger screens

Fastening is possible by various systems depending on the type of screen bottom.

Screen box made of normal or stainless steel. Surfaces in coated up to buffed execution. Cover made of metal, aluminium or tarpaulins, screwed or tool-free fastened by a quick fastening system.

Multi deck Vibrating Screen

Screening is a vital part of the waste processing operation, if you are to gain the full value of reclaimed materials. Our Multi Deck Vibrating Screens are designed to maximise the potential of your recycled waste, offering a stacked system of up to four decks for breaking down and classifying the in-feed material into a number of fractions.

These are suitable for the separation of materials contained in Commercial and Industrial Waste, Construction and Demolition Waste, Municipal Solid Waste, Compost etc.

A Multi Deck system can simply be used for sizing or grading material through a series of screens, each diminishing in grid aperture size with the resultant fractions being separated from each other.

Benefits of Multi-Deck Vibrating Screens

  • Space Saving – Multi deck vibrating screens require a smaller footprint
  • Cost Saving – Multi deck systems reduces the amount of conveyors and other feed equipment required within the processing line
  • The use of an upper deck protects lower decks from excess wear.
  • Feed Capacity up to 1,000 tonnes per hour.
  • Optimised screening panel movement ensures the screen openings remain clear.
  • These robustly constructed Multi Deck Vibrating Screens include optimum side sealing, which prevents loss of material and wear to the side plates.
  • Low maintenance requirement
  • Screen Width: Up to 3,000mm
  • Screen Inclination: 5 to 30 ⁰

Vibrating Feeders

Vibratory Feeders provide the most efficient and economical method of conveying bulk materials, with the easiest means of controlling feed rate. These robust units are available in tuned, two-mass, natural frequency, and direct-drive designs available in widths from 12 inches to 10 feet and lengths up to 25 feet.

Vibrating Conveyors are designed to match demanding industrial and environmental codes. Units are suitably constructed for light, medium, or heavy-duty service with features incorporated to screen, separate, dry, cool, blend, and perform various other processing functions while conveying. Conveyors operate reliably, are energy efficient, and safeguard your product.

svsequipments Vibratory Screeners are designed to screen, scalp, dewater, or separate dry or wet materials using a wide variety of screening media. Most importantly, these units can accommodate up to five separate decks on a single unit!

Rotary Air lock Valves

Rotary Airlock Valves are a type of rotary feeder and are often referred to simply as a Rotary Airlock or Rotary Valve. They provide feeding and metering functionality of a standard rotary feeder but their primary duty is to maintain pressure and provide an optimal airlock seal between different product conveying transitions, such as gravity to pneumatic conveying lines.

An optimal airlock condition is essential to prevent air pressure loss in high pressure and high temperature conveying systems.

BENEFITS OF OUR ROTARY AIRLOCK VALVES

  • Our rotary airlock valves are used in a wide range of applications where there is need to minimize system air loss while transferring material between vessels with differing pressures.
  • They are used as feeder valves to meter the flow of material between vessels with equivalent pressures.
  • You will also find them doing double duty in systems where there is a need to minimize system air or gas loss while regulating the flow of material between vessels with differing pressures.