SolidTalk Blog from Pump Systems Ltd

Grit deposition in storage tanks, pump stations and sewage overflow basins is an ongoing issue for many councils and water authorities. High specific gravity particles that are not able to be pumped away using existing pumps can settle and accumulate to the point where storage capacities are seriously impaired. The revolutionary Vaughan Floor Washing (VFW) System by Vaughan Co. (USA) has been designed to address this issue. The VFW System...

The new 17,000 m3 Digester 6 at Changi Water Reclamation Plant will be mixed using a custom Rotamix pump and nozzle mixing system. With a diameter of 32 metres across, a sidewall height of 13.9 metres and a cone depth of 18.3 metres, Engineers working on the Digester 6 project at Changi WRP were presented with some unique challenges. One major consideration was selecting a sludge mixing system that would...

Vaughan Company, Inc., the world's leading chopper pump manufacturer for over 50 years have released a new heavy-duty, diesel portable engine driven, vacuum primed chopper pump for mobile solids handling applications. The unit is an adaption of the popular Vaughan model HE6W horizontal end suction chopper pump, designed for handling high concentrations of difficult suspended solids without clogging. With the aid of a robust venturi vacuum prime system, the unit...

Vaughan Co., the world's leading manufacturer of chopper pumps for over 50 years is also the producer of the world's largest chopper pump - the Vaughan model 12W. The 12W, with its 18" suction and 12" discharge is capable of flow rates up to around 2200 m3/hr (611 L/s). This large pump is commonly used in municipal pump station applications and also for the mixing of high-volume anaerobic digesters and...

Fairfield-Suisun Sewer District (FSSD) in California installed a Vaughan Rotamix® hydraulic mixing system next to an identical anaerobic digester with a 7-year-old gas mixing system. Rotamix® installation was completed in Sept, 2010. This opportunity allowed the District to directly compare Rotamix vs. gas mixing in their very well instrumented digesters, which handle predominantly primary and thickened waste activated sludge. The digesters are identical 95 ft (29m) dia, 1.76 million gallons...