Elgin - Model ESS-1450HD2 - High Speed Decanter Centrifuge
From Oil and Gas Products
Whether you are working toward maximizing product recovery or looking to get the most out of your “zero-discharge” closed-loop system, Elgin’s field proven solids control and dewatering centrifuges are a perfect choice.
Features
- Carbon fiber poly-chain belt driven system.
- Four, stainless-steel, epicentric, liquid-end discharge ports.
- Four, wide-mouthed, tungsten carbide solids discharge ports and plows.
- Premium SKF™ bearings installed in precision-machined pillow blocks.
- Available in manual variable (MVD) or full variable (FVD) with back drive configurations.
Power and Performance:
Power and Performance
Elgin’s ESS-1450HD2 is fitted with a NEMA premium, continuous duty, poly-chain driven, 50 hp main drive. The 50 hp main drive can operate the centrifuge up to a maximum rotational speed of 3,250 rpm, thus, generating more than 2,100 G’s of force. By using an adjustable motor mount, motor and belt maintenance is made easy by the adjustment of two jack screws. No additional motor mounts, brackets, or tensioning devices are required.
By utilizing a carbon fiber poly-chain, no belt retensioning is required after installation is complete. The carbon fiber tensile cords are length-stable and can withstand shock loads that frequently lead to belt failure. More importantly, Elgin’s carbon fiber poly-chain will not require quarterly replacement, saving thousands in annual maintenance expenses. Elgin’s ESS-1450HD2 centrifuge can be fitted with either a 52:1 or a 125:1 planetary gear box.
Field Skid Configuration
Assembled in an “offset skid” configuration, Elgin’s ESS-1450HD2 requires limited effort to install. Utilizing explosion-proof electrical and controls, the control panel is provided with a convenient “pig-tail” electrical connection.
Elgin has also optimized the required footprint and redesigned its lifting system so that the entire assembly may be lifted from either the base lifting mounts or the lift eyes.
Not only does the offset main-drive configuration allow direct access to the motor and belts for efficient maintenance, but it also achieves a shorter end-to-end centrifuge length and lower center of gravity, therefore providing a greater level of installation flexibility.
Effluent Management
Elgin’s ESS-1450HD2 centrifuge uses four, stainless steel, epicentric, liquid-end discharge ports. Each port can be rotated to the desired pond depth setting, therefore allowing the operator to make efficient changes in pond depth by simply loosening the set screws.
The ESS-1450HD2 utilizes four, “wide-mouth” tungsten carbide discharge ports and plows. These features allow the ESS-1450HD2 to handle large volumes of erosive solids without damaging the centrifuge.
The ESS-1450HD2 centrate discharge hopper is ported to allow bottom, front or rear fluid discharge. Each of the three fluid discharges are fitted with 6” (15.24 mm) Victaulic™ connections.
Rotating Assembly
Elgin’s ESS-1450HD2 stainless steel rotating assembly is 14” (356 mm) in diameter and 49.5” (1,257 mm) in length. By using a length over diameter ratio of 3.5, Elgin achieves an extremely stable centrifuge, even at maximum rotational speed. The rotating assembly is given further stability by the use of two SKF™ premium bearings. Both bearings are installed in precision-machined pillow blocks. Equipped with externally accessible grease ports, daily greasing can be performed without the removal of machine guards. The internal flights are lined with tungsten carbide tiles along the entire length of both the clarification and the tapered section, extending the ESS-1450HD2’s ability to manage erosive solids.
To protect the upper cover from the radial discharge of solids, a 180 degree radial, protective deflector plate has been incorporated into the upper stainless steel centrifuge lid.
Control System Options
Depending on your budget and performance needs, the ESS-1450HD2 can be fitted with either a Dual-Sheave Poly-chain, Mechanical Variable Drive (“DSP MVD”) or any number of Variable Frequency Drive (“VFD”) configurations.
Elgin’s new DSP MVD provides a new low-cost alternative to operators. Elgin’s DSP MVD allows operators to operate the ESS-1450HD2 at two different speeds without the complete disassembly of the fluid-end and sheaves, or the cost of the VFD control system. Instead, by simply loosening the jack bolts on the motor mount base-plate, the poly-chain can be adjusted to the adjacent sheave. As a result, Elgin’s ESS-1450HD2 centrifuges fitted with a DSP MVD drive can achieve both 1,250 and 3,250 rpm (460 V / 60 Hz) or 1,600 and 2,400 rpm without having two sets of sheaves or belts. Alternatively, Variable Frequency Controlled centrifuges allow the operator to change the centrifuge cut point with the flip of a switch.
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