Skid-Mounted Belts

Skid-mounted belt press helps municipalities and industries dewater materials efficiently and keep hauling and handling costs in check.
Skid-Mounted Belts
Stuart Sebright of Bright Technologies shows the mechanism of his company’s belt press to a WWETT Show attendee. The polyester belts convey biosolids through a mechanism that applies even pressure to squeeze out liquid.

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With municipal utilities facing tight budgets, efficiency is paramount. Water and wastewater treatment machinery must save energy and lower operating costs.

One answer for those concerns is a skid-mounted belt press displayed by Bright Technologies, Specialty Division of Sebright Products, at the 2015 Water & Wastewater Equipment, Treatment & Transport (WWETT) Show.

“Landfill fees are continuously increasing,” says Stuart Sebright, general manager of Bright Technologies. “Our belt presses efficiently dewater a plant’s solids, leaving a higher-solids product. Hauling less water means lower transportation costs and fewer loads to landfill.”

The press uses polyester filter belts and mechanical pressure to dewater or solidify wastewater biosolids or industrial slurries. “We target municipalities and industrial contractors, both of whom are represented at this show,” says Sebright. “It’s a product that we designed to help keep costs under control for them.”

The press is designed for long-term value and ease of operation. A stainless steel frame and roller construction are standard; an Allen-Bradley touch screen and PLC integrate the press and support equipment, enabling unattended operation and integration into SCADA systems. Optional press-mounted operator walkways and handrails are easily removable for press maintenance and allow operators good visibility to the process.

“Of course, the mobility of the unit is a big help, too,” says Sebright. “It can be moved to different areas of the plant to dewater instead of having to bring all the non-dewatered material to it. It’s also a great fit for companies that perform contract dewatering, as setup is quick and easy.”

The press handles hydraulic loadings up to 150 gpm per meter of belt width, dewatering primary sludge to up to 37 percent solids and aerobically digested biosolids up to 24 percent solids. Lagoon biosolids loadings of 2,500 pounds per hour per meter of belt produce material at 20 percent solids.

On slurries from industrial and mining applications, it can produce cake at 50 to 70 percent solids at rates of 6,000 pounds per hour per meter of belt; on lime-treated septage it yields cake at up to 47 percent solids at 1,400 pounds per hour per meter of belt.

“We believe it’s a great fit among a variety of applications,” says Sebright. “It can even be used with hydrovac waste, as long as the material is pre-screened.” Sebright says the 2015 WWETT Show was a big success, generating multiple solid leads, plus opportunities to explain the benefits of the press system to hundreds of attendees.

“This has been a great show with a very nice mix of municipal employees and private contractors,” he says. “More people than ever are looking at what they can do to streamline and save costs. That’s where our product comes in. I think finding efficiencies in dewatering and hauling will only increase in popularity. The market at this show is diverse, but it hits all our targets.” 800/253-0532; www.brightbeltpress.com.



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