บทความ เกจวัดแรงดัน

Mike Froom, Business Development Director for Te-Tech Process Solutions in Southampton, UK, explores the benefits of a pulsed air lift sludge pumping choice compared to standard pumped systems.
A te-sewpas unit at Stocksbridge.
When Yorkshire Water determined to relocate Stocksbridge Wastewater Treatment Works 2km to the south to allow a major housing growth, the temporary to Mott MacDonald Bentley (MMB) was for reliability, sustainability and low operating cost. The relocation additionally allowed for an improve from 13,000 inhabitants to fifteen,000 for the 2030 design horizon.
The new £15.sixty five million works consists of duty/standby nice screens, a vortex grit removing unit and two 15.5m diameter major settling tanks followed by organic treatment in seven trickling filters with two 16.7m humus settlement tanks. Sludge produced within the humus settlement tanks is delivered to a chamber alongside the tanks and then flows by gravity to re-enter the process upstream of the first settlement tanks.
Simple, low opex sludge pumping
For this critical duty, MMB chosen the te-sewpas pulsed air carry pump system supplied by Te-Tech Process Solutions. เกจวัดแรงดันco2 -contained unit incorporates a four.6kW duty facet channel air blower, actuated air control valves, air manifold and control panel housed inside a weatherproof GRP enclosure and is delivered to website totally assembled and tested. Each pulse of air lifts a quantity of sludge and discharges it from the sludge discharge pipe. A programmable timer in the PLC allows the frequency and period of desludging to be adjusted to allow the sludge to consolidate thus eliminating any potential ‘rat-holing’ and ensuring consistent desludging.
The unit may be positioned near the tanks that it serves with versatile air supply hoses routed through ducts to every of the desludge chambers. The air delivered is hot and in consequence there is not a need for thermal lagging or insulation. Each te-sewpas unit can serve up to four main or humus tanks with typical particular person air delivery hose size as much as 35m.
At Stocksbridge, a single Type B te-sewpas unit with duty/standby air blowers serves the 2 humus tanks. Rather than using the usual management panel, MMB determined to combine the te-sewpas controls into the central PLC and Te-Tech provided a functional design specification for this purpose. The challenge was completed in October 2019. “We’ve been utilizing the air lift systems of assorted makes on our websites for the final 20–25 years,” says Yorkshire Water’s Wastewater Asset Planning Sponsor Jan Buczylo, “The te-sewpas is particularly strong and we determined to retrofit further techniques instead of conventional progressive cavity pumps at each Stillington and Sutton-on-the-Forest.” Installation of these two methods was accomplished in April 2021.
Significant entire life cost savings
The te-sewpas system provides vital complete life cost financial savings when compared to typical pumped systems. For a typical installation serving two tanks, just like the Stocksbridge venture, primarily based on an estimated 25% reduction in the electrical power consumption and reduced upkeep necessities, te-sewpas supplies a 40% lower capital value and 50% discount in operational price compared to a pumped desludge system.
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