Water & Wastewater Pumps Articles

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What is the difference between Rotary Vane and Diaphragm vacuum pumps?

by Camlab Limited  (Jan. 20, 2015)

Most laboratories will have a vacuum pump. They are widely used across labs of all disciplines for a range of tasks from basic filtrations or evacuating a desiccator right up to use with large equipment such as vacuum ovens or rotary evaporators. The two most common types are rotary vane or diaphragm pumps – but ...

Honghai pump on industry

Chemical Honghai pumps are used throughout the chemical processing industry, from refineries and gas processing plants to basic chemical plants to polymer processing to end use product manufacturing. The chemical industry encompasses such a broad range of ...

White paper - Chemical feed control

by W2 Systems  (Jan. 19, 2015)

The controls, alarms and external contacts are shown on the drawings. As the amount of chemical needed to neutralize the wastewater varies exponentially from neutral pH 7, special consideration must be given to control overshooting the pH. Chemicals, especially viscous caustic soda, must be fully mixed in the compartment before more is added. ...

The way to choose material of chemical pumps

The way to choose material of chemical pumps   The corrosion is one of the most dangerous harm to chemical equipment all the time, a little carelessness will damage the equipment or cause accidents and disasters. According to statistics, 60% of damages are caused by corrosion, so it’s first to choose the material of pumps. ...

Asphalt pump installation notes

Asphalt pump installation notes Asphalt heat pump is according to certain way and ...

Solution of entrap phenomenon of Gear Pump

  As for gear pump, in order to work smoothly, the gear meshing of the coincidence degree must be greater than 1, so there are always two pairs of gears mesh at the same time, and some of the ...

Fuzzy maximum power extraction control for a photovoltaic water pumping system

by Inderscience Publishers  (Dec. 17, 2014)

AC loads present a delicate matter for photovoltaic systems, and this is because of the photovoltaic panel's operating point, which moves randomly according to irradiance changes; in this case, almost of photovoltaic water pumping systems use a DC–DC converter to ensure either the maximum power extracted from PV panel or the load needs. For AC ...

MPPE Demonstration unit Schwarze Pumpe HB21 – Germany case study

by MPPE & TiPSS Technology – Veolia Water Technologies  (Nov. 14, 2014)

Groundwater remediation former brown coal conversion site Components Mineral oil: 38.000 µg/l, BTEX: 233.000 µg/l, PAHs 153 µg/l Performance > 99% Removal After 2 years intensive testing the MPPE unit is used for long term groundwater remediation ...

Five MPPE units, LMBV, Schwarze Pumpe Germany case study

by MPPE & TiPSS Technology – Veolia Water Technologies  (Nov. 14, 2014)

MPPE Technology for Schwarze Pumpe (Germany) Groundwater remediation former brown coal conversion site 2 years intensive testing 5 MPPE units are installed (2004) > 99% removal of BTEX (>200 mg/l) & PAHs (>5mg/l) Reinfiltration of purified water Ideal to enhance in situ biodegradation Enhanced ...

What is the reason of ball mill adopts dynamic and static pressure bearing

by Henan Bailing Machinery Co.,Ltd.  (Nov. 11, 2014)

As the ball mill working conditions is rather special, it is generally start under full load, especially for stop after a long time, lubricating oil film between the neck of hollow shaft and bearing, due to the extrusion and thinning gradually until disappears, this time between the neck of hollow shaft and the bearing is boundary friction state. ...

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