Remote-control high volume pumps!

Published:  03 September, 2014

High-volume pumps are steadily gaining acceptance world-wide for large-scale incidents, and the latest innovations enable remote control from several kilometres away – ideal for nuclear events, writes Johan Kramer of Hytrans Systems BV.

The mobile water transport system known as Hytrans Fire System (HFS) was developed to be set up in no time and with a minimum of manpower. It is capable of supplying water from any open water source at large volumes (up to 30.000 lpm @ 12 bar) and over long distances of several kilometres. The system is used worldwide and has proven performance during large scale incidents, including Fukushima in 2011. Here, a HFS HydroSub 150 unit from Tokyo Fire Brigade was brought to the scene to provide water for cooling the reactor. The SuperPumper - as the HFS HydroSub 150 is called in Japan - played a major role in cooling the crippled reactor.

Following the Fukushima incident nuclear power plants changed their back-up plans in regards to providing cooling water in case of large scale incidents. The realisation came that a solution was needed that still worked in case fixed installed systems became damaged by incidents, and where access to water could be difficult.

A proven solution is a diesel-driven mobile pump unit such as the HFS HydroSub. The hydraulically driven submersible floating pump of the HydroSub makes it possible to get water from any open water source - even in extreme condition – and without any draft loss. It can be used not just to provide cooling water, but also to provide water during fires or to create a water curtain to knock down a chemical or even a radioactive cloud. For the latter, a remote control system has been developed to ensure the safety of the operator.

The HFS RCU (Remote Control Unit) controls HydroSubs or AutoBoosts from a distance just as if the operator were at the machine, using a portable wireless remote control. Up to four HFS units can be operated from a distance of up to several kilometres. From the RCU’s screen an operator can change settings and read system information just as if he were at the unit’s operating panel.

The HFS RCU consists of two parts: the Master RCU and the Slave HBC unit.  The Master (in a hard case) can control up to four HydroSubs or Autoboosts. The Slave, which is built inside the HydroSub or AutoBoost, enables communications with the Master.

The RCU has the same control functions as the operating panel. A light on the operating panel at the machine indicates that the unit is being controlled remotely. When a different unit is selected, the previous unit automatically stores the set values and continues operating as previously. An operator at the machine can overrule remote control settings in an emergency.

RCU: general information

  •  Outer dimensions RCU hard case: 524 x 428 x 206 mm
  •  Weight: 17 Kg
  •  Connection battery charger/truck: MagCode (24V)
  •  Stand-alone operating (max): 8h with full battery
  •  Operating frequency within Europe: 433/434 MHz
  •  Antenna Slave: Omnidirectional Antenna; Gain: 2 dBi; Length 51 cm
  •  Antenna Master[1]: Omnidirectional Antenna; Gain: 2 dBi; Length 51 cm
  •  Antenna Master [2]: Gain: 0 dBi; Length 18 cm (standard in hard case)
  •  Communication distance between Master and Slave both equipped with Omnidirectional Antenna, provided no obstacles: 1,5 / 2,0 Km

  • Operation Florian

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