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Pump Industry features, January 2021

Sulzer's tunnel dewatering solutions

This article looks at how tunnelling operations can be affected by the choice of pumping equipment used for dewatering.


Investigating the effects of installing pressure-sustaining valves at consumer connections.


Solar pumps have brought relief to many drought-ridden areas, but allowing indiscriminate extraction is having a serious effect on groundwater levels.


A wear degradation model to clarify the variation in cylinder bore wear contour.


How Weir Minerals’ solutions are making it easy to optimise any quarry site for efficient water management.


A model to predict the relative viscosity of stable emulsion within an ESP.


When a US pump station experienced a pump failure, a temporary non-clog sewer by-pass solution had to be installed.


A method to predict cavitation performance of a mixed flow pump.


Hamilton Harbour on Canada’s Lake Ontario is part of a multiphase Clean Harbour programme which includes upgrades to a large wastewater treatment plant.


The life cycle assessment technique was used to study water supply pumps in buildings.


During the construction of a rainwater retention basin, the “hoover of the construction diver” from Tsurumi helped install the concrete floor.


A case study from West Anatolia, Turkey.


Installing new water jets and pumps in a German municipal rainwater collection facility when it was becoming blocked with sand, twigs and fibres.


Development of a novel sliding vane rotary pump model-based optimization approach.


Atlas Copco has focused on improving pump and seal design to increase MTTR with its heavy duty PAC H pump range.


An investigation of the effect of motor efficiency on PV pumping system performance.


This article examines how flexible barrier materials for diaphragms can solve challenges faced by AODD and dosing/metering pumps.


A method based on machine learning techniques.


Solving the problem of heavy abrasion to oil and gas vertical firewater pumps caused by particulate matter from a nearby river.


An approach based on a model of the rotor displacement.


Urbanisation and industrialisation have delivered prosperity to Southeast Asia over the last few years, but has increased the need for water management.


Modelling the solar power and entire water pumping systems.


Large-Eddy Simulations were conducted on a centrifugal pump at design and reduced flow-rates for three diffuser geometries.


Protecting the integrity of water lines and preventing stagnation is critical during the pandemic. However, industrial flushing systems can help.


Model is validated using a 3D printed peristaltic pump and pulsatile flow rate test bench.


Sewage sludge or corrosive chemicals, can make heat exchangers susceptible to fouling. Here's a look at some of the specific situations.


Telemetry-connected sensors installed on 480 electrical groundwater pumps aim to improve monitoring and support operation of these water supplies.


A look at the latest reverse engineering techniques and advances in additive manufacturing to extend the service life of pumps and improve performance.


A novel method to diagnose faults based on vibration data.


How an emergency solution by HST and KSB following the collapse of an embankment on the Irrawaddy River proved successful.


A review of methods and experimental studies.


Utilizing a feedforward active noise canceling algorithm the airborne noise emission of a centrifugal pump could be reduced significantly.


Two technologies have been combined to develop a high-performance microfluidic driver.


Controlling pressure of a VDRPP using a PID controller with an appropriate valve plate.


Advances in manufacturing, repair and monitoring technology help face the challenges of operating conditions, corrosive media and rising operating costs.


The effect of the pump's rotor profile geometry on flow characteristics was studied.


Amidst the global Covid-19 pandemic, the demand for decontamination solutions are high so companies must look for new solutions.


A review of different solar energy-based pumping systems.


A careful choice of surface pumps will ensure that users achieve optimum results. Here is an overview Atlas Copco's range of products in this category.


How the rotor-stator interaction in a single-stage progressing cavity pump impacts flow rate and pressure.


Flexipump is a low-cost irrigation pump for farmers in the developing world. Specialised software from Siemens helped refine and optimise this design.


Variations of pump characteristic parameters with time were examined.


A comprehensive dewatering plan is essential to ensure there is a steady supply at any mine site.


The working range of the pump was studied when pumping coal-water slurries.


José Larios, CEO of Celeros Flow Technology talks about the new business which launched as Covid-19 struck.


The configuration design, working mode, optimization and application of different piezoelectric pumps are summarised.


How Rotamec installed a green, cost-effective treatment system at a pumping station that removed the need for a pump altogether.


A comparison between the conical rotor and variable-pitch rotor was conducted.


ANDRITZ manufactures and delivers the pumps for a reverse osmosis process and the centrifuges to treat the brine in water at a copper mine.


A fault diagnosis method combining empirical wavelet transform (EWT), principal component analysis (PCA) and extreme learning machine (ELM) is proposed.

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The Energy Rating label enables the comparison of selected circulator pumps based on average power consumption.


The PM series benefits from new size 65 hydraulic models.


Tsurumi has a variety of pump types for range of quarry site applications. Using the correct type for each is vital for cost savings.


Dry running leads to a surge in pressure, flow or overheating that will instigate a pump failure. As a result, the pumping elements seize up on the shaft.


Svanehøj’s system makes it faster, easier, and more efficient to operate electric cargo pumps.

What’s coming up…
Oct ’21

Trade show for pump and valve systems and equipment for industrial processing.

Oct ’21

Trade fair for the water industry.

Nov ’21

Trade show for process, drinking & wastewater.

Nov ’21

Abu Dhabi International Petroleum Exhibition & Conference.

Nov ’21

3-day virtual training course to provide attendees with the skills to design pumping systems and assess design proposals.