Pumping Technology Controller and SCADA Systems


ITT has been one of the leading manufacturers of wastewater pumps and agitators for the past few decades. The expertise the company has accumulated in that time has also gone into the electrical components designed to monitor and control pumping stations, rainwater basins, flood protection systems and other wastewater systems.


The Flygt PumpSmart PS 200 changes the speed of wastewater pumps using


wastewater-specific parameters. Torque adjustment allows a continuously stable flow rate – the basis for cost-efficient pumping. However, speed control means operating-point modification and therefore the hydraulic conditions also change. This affects the flow conditions in the intake characteristics of the pumps, the hydraulics and the tubing. The PS 200 measures and controls current flow rates and levels, adjusts the speed accordingly and supports the sensor-less, constant-


quantity closed-loop control function, for example.


For particularly flat system curves, simple speed adjustments are not an option. Adjusting the torque automatically gives the Flygt PumpSmart PS 200 a stable flow rate and therefore, precise control. At the same time, increases in torque prompt the PS 200 to search for signs of clogs and immediately triggers a cleaning sequence. The pumping efficiency of the PumpSmart reduces costs in the long term and prolongs the service life of pumps while reducing breakdowns and, ultimately, maintenance. The PS 200 is easy to install and operate. It is designed for use with all types of wet and dry pumps.


Wastewater pumping stations are subject to heavy loads from floating solids, solid substances and deposits. This is why ITT Water &


Wastewater provides a variety of mature stationary switching-device solutions that are compatible with individual cases and comply with the rigorous requirements of the ATEX directive. In order to visualise this process, ITT Water & Wastewater has developed its own software: AquaView SCADA system. It is particularly user friendly. The Windows user interface facilitates simple procedures for dialling into a substation and administering it with respect to parameter changes, data evaluation or integrating additional systems. AquaView is network compatible and, depending on the settings, sends alerts via SMS or email. The AquaView package’s primary advantage is that it supports the integration of systems and therefore saves operators additional costs.


ITT Water & Wastewater provides the Flygt WebServer to municipalities that do not have the opportunity to procure a complete


SCADA system. By means of simple Internet access, this service allows them to control their own pumping stations. To do this, individual pumping stations are equipped with a modem and connected to the Flygt WebServer. The data is stored centrally and can be opened from there. The Internet provides access to the system at all times for status verification and reports or trend data control – of course access is protected by password. The service allows pumping station operators to monitor their entire systems without major financial investments and at low, predictable costs. ITT Water & Wastewater also provides a graduated Web-service model that includes everything from quick data access to alert management (24/7) or system analysis and optimisation.


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$8.4 Billion Chinese Pump Market by 2015


China will account for 21 percent of the $40 billion 2015 world market for industrial pumps. This is the latest forecast in the McIlvaine continually updated Pumps: World Markets Report.


Wastewater will be the largest industry segment followed by power.


Industry Chemical Electronics


Flood Control Food


Metals Mining


Oil and Gas


Other Industries Pharmaceutical Power


Pulp and Paper Refinery Stone


Wastewater Water Total


2015 559 26


120 74


248 240 115 786 47


1,723 86


136 990


2,831 450


8,431


China is completing a five year plan which is adding 15,000 MGD of municipal sewage treatment. This is a staggering figure when one reflects that the U.S., which has been adding capacity for 200 years, only handles 39,000 MGD. On the other hand, sewage treatment per capita is only 20 percent of that in the U.S., so China still has a long way to go.


Also, China now has twice the big power plant scrubbers as New Pumps for Pumping Unpurified Wastewater


ITTWater &Wastewater launch its new D 8000 and D 8200 series stainless-steel and cast-iron pumps. They unite proven, original Robot Vortex impeller and robust, efficient Flygt motors.


The D 8000 stainless-steel pumps that emerged from the Robot RW-R series are used for applications in mining, power plants and landfill sites and in the steel, paper and chemicals industries. They are particularly suited for corrosive applications with solids content. Although the materials that come into contact with the pumping medium are highly resistant, the impeller and hydraulics technology enables a high level of solid-substance transport. This minimises the risk of breakdowns and reduces operating costs as well. The Flygt D 8000 achieves a maximum pumping level of 36 metres and a pumping output of up to 70 litres/second at a nominal motor output range of 1.5 kW to 13 kW. It is available in materials 1.4401 (AISI 316) and 1.4460 (AISI 329).


The cast-iron variant, series number D 8200, was specially designed for pumping unpurified wastewater. Many applications focus on pumping after large ball passages. This requirement is met by the new D 8200 Vortex impeller series. In combination with robust Flygt motors and approved Robot hydraulics, ITT Water & Wastewater has successfully developed an equally outstanding solution for this output range: an optimal product extension in the lower output range. The Flygt D 8200 achieves a maximum pumping level of 32 metres and a pumping output of up to 50 litres/second at a nominal motor output range of 1.5 kW to 7.5 kW. It is available in standard and explosion-proof designs.


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does the U.S. These scrubbers each need up to 400,000 gpm of abrasive slurry. China is building more new coal plants than the U.S. or all of Europe combined. Therefore they are the leading purchaser of these scrubber pumps.


China is a relatively small player in domestic oil and gas production. On the other hand, their purchases are boosting the production around the world. Their ventures in mining are also having a positive effect on pump purchases in Africa and Australia. Within China there are significant pump requirements for the coal-to-liquids plants which are underway.


China has major reserves of gas trapped in shale. This gas


can be extracted only by fracturing it with large quantities of water. This application is one of the biggest markets for pumps presently in the U.S. Since China has the second largest gas shale reserves, this could provide a longer term boost for the Chinese pump market.


There are a number of high performing Chinese pump companies. Nevertheless, many of the more specialised pumps are purchased from international suppliers.


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Centrifugal and Customised Pumps


The double suction split case pumps manufactured by ANDRITZ (Germany) for water supply systems are operating successfully in pumping stations throughout the world, also in numerous water supply projects in China.


The ANDRITZ pumping stations make a substantial contribution towards guaranteeing the supply of drinking water to the megacity of Peking. Hui Nan Zhuang pumping station, located to the south-west of Peking, is equipped with eight horizontal double suction split case pumps. Two sets of three pumps plus one on standby deliver the water into a pipe that is 4 m in diameter. The pumps supplied by ANDRITZ convey a total of 60 m3


of water per second over a distance


of approximately 60 km into the Chinese capital. In addition, ANDRITZ was awarded the contract for Xijiang Intake pumping station in 2009,


where twelve double suction pumps from ANDRITZ will provide the water supply to Guangzhou as from September 2010, also during the Asian Games in November 2010, and guarantee the increasing water supply needs of this constantly expanding metropolis in the future. Xiang Intake Pumping Station conveys around 45 m³ of water per second inland over a distance of approximately 40 km. There it is distributed by other pumping stations. The twelve ANDRITZ pumps (ten in operation and two as stand-by), type SFWP 40-1000, are designed for a flow rate of 14,600-18,400 m³/h at heads of 35-42 m and an efficiency of up to 91%.


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www.pollutionsolutions-online.com • Annual Buyers’ Guide 2011


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