Page 16 - CO October 2021

COVEr STOrY

maintenance access step, a secondary engine shutdown switch with three hydraulically folding discharge conveyors allowing for
and a battery disconnection switch. maximum stockpiling capacity and associated benefits of rapid
set up and tear down times. Fully reversible side conveyors offer
Screening Equipment go hi-tech ultimate flexibility to the customer depending on their specific
One of the most common types of screening technology, requirements. Each on board discharge conveyor is powered by
trommel screen, is essentially comprised of a perforated a separate hydraulic circuit as standard. The banana profile and
cylindrical drum. The drum rotates and is usually set at an angle increased area of the new bottom deck maximizes screening of
to improve the flow of the material.The perforations in the drum fines material. Screen box discharge end can be hydraulically
sort through the material, allowing small pieces to go through raised 500mm to facilitate efficient and easy media access and
while forcing larger pieces to continue to move down the screen changing.
to the next stage. While trommels are somewhat effective and
are fairly inexpensive, they are not highly effective and efficient. Thyssenkrupp Industrial Solutions has developed a new multi-
Additionally, material can bind the perforations easily, which vibrating screen featuring an intelligent control system. According
®
demands frequent maintenance. to thyssenkrupp, goovi ensures good vibrations in secondary and
Disc screens introduced by companies overcome some of the tertiary screening within crushed stone or gravel applications. A
shortcomings of trommel and vibrating screens. Such equipment new drive technology is combined with an innovative control
come with several intermeshing, rotating shafts. The spacing system to provide a significant increase in operational flexibility,
between the shafts divide the incoming material into groups product quality and performance.The goovi is driven at four
based on size. Modern disc screens come with octagonal discs different points – one on the front, back and each side – resulting
not having sharp points, which dispels long, fibrous, or stringy in an optimum stress distribution in sidewalls. The goovi uses
materials from clogging. fewer rotating parts than conventional screens, translating to a Annular Piston PST Clutch F/R Clutch LSD Clutch
Improving the quality of material in the initial screening process lower weight and height, as well as reduced maintenance and
can lead to a better final product. This is essential when wear. With the control system, speed and flow direction can be
companies are dealing with hazardous or difficult to recover adjusted so operating parameters can be optimally adapted to
materials. High-quality material processing equipment can also the requirements of production at any time.
reduce the amount of environmental waste. When companies
are planning to select a screening equipment for their specific Designed with durability and ease of use as a central focus, the
requirements, they need to look for features such as customization FLSmidth Dry Vibrating Screen sets industry standards across the
options that allow unique parameters for different materials, board. By cutting down on repair and maintenance costs while
technology designed to reduce the chance of clogging or increasing productivity, Dry Vibrating Screen solutions improve
binding, configuration options to address moisture content, feed separation throughout — boosting revenue in the process.
equipment with a small footprint and low operational cost. usable in most applications, these Dry Vibrating Screens come
in a wide range of sizes, from 0.9m to 4.8m wide and up to
Terex Finlay has recently launched the first production unit of 11.0m long, and are available in horizontal, multi-slope and Master Cylinder Slave Cylinder Wheel Cylinder PM Valve
its fourth generation 883+ heavy duty screener. The Terex Finlay inclined versions coupled with single-, double- and triple-deck
883+ heavy duty screener has been developed as a high configurations.
capacity and versatile heavy duty scalper to work in primary and With such advanced products in place that even adhere to
secondary screening applications such as quarry and mining, safety and environmental norms, construction companies can
construction demolition waste, sand, gravel, compost, top soil, only reap greater benefits in the long run. The need of the hour is
coal and iron ore. The plant has the capacity to process at a rate to select the best as per the suitable applications and features
of up to 600 tonnes per hour and can be fed either by a tracked in mind, which make a company’s buying decision a SMART one
mobile crusher, shovel or an excavator. The machine is equipped in the long run!

16 COnSTRuCTIOn OPPORTunITIES|OCTObEr 2021