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## Economic indicators:

Provided that the length of the pipeline is 200 meters, and the usual geodetic elevator does not exceed 5 meters, this model nominally produces 240 cubic meters per hour or 2,400 cubic meters per 10 hours of operation.The density of sand is 1.3 tons per cubic meter, weight The extracted sand is 3120 tons.

The cost of extracting 3120 tons of sand will be 2000 kWh in 10 hours. The nominal consumption of diesel fuel for 10 hours of operation is 4000 kW x 0.200 l/kW = 2000 liters. From this calculation we conclude: To extract 3120 tons of sand, 452 liters of diesel fuel is needed. The cost of producing one ton of sand is 452 liters/3120 tons = 0.145 liters per ton.

This model is able to transmit pulp at a distance of 500 meters without loss of productivity.

## **General characteristics:**

Productivity | 1600 | m³/h |

The height of the water column | 50 | m |

Productivity dry residue (nominal) | 240 | m³/h |

Productivity dry residue (max) | 480 | m³/h |

Power pump for pumping pulp | 400 | kW |

Power point | 500 | kW |

Length of pipeline (nominal) | 500 | m |

The depth of the development (maximum) | 0,4 | m |

The depth of the development (maximum) | 12 | m |

Diameter of the solid particles (max) | 250 | mm |

The diameter of pipeline | 500 | mm |

## Characteristics:

The length of the dredger | 15 | m |

The width of the dredge | 2.4 | m |

Overall width with pontoons | 5.4 | m |

The height of the dredger | 4 | m |

Weight dredger | 25 | ton |

Internal supply | 12 | V |

Outdoor supply | 12 | V |

On-board power supply | 12/24 | V |

## Installed equipment:

Engine 500 kW (diesel fuel specific consumption 200 g/kWh) | 1 | pcs |

Pump GRT-1600/50 * | 1 | pcs |

Active cutter (higher efficiency for light soil) | 1 | pcs |

The auxiliary pump (ejector) 33 m/cubic feed per hour at a head of 70 m | 1 | pcs |

Reversible propeller 35 kW (motor drive dredger) | 2 | pcs |

Hydraulic motion control | 1 | pcs |

Hydraulic lifting cylinder main suction pipe | 2 | pcs |

Anchor piles (length 14 meters) | 2 | pcs |

Fixing the dredger in the workplace anchor hydraulic winch | 3 | pcs |

Anchor | 3 | pcs |

A cable for attachment dredger 12 mm | 500 | m |

Driving the main pump GRT 1600/50 (hydraulic motor) | 1 | pcs |

cutter actuator (hydraulic motor) | 1 | pcs |

Floating/Shore slurry pipeline D-350 mm | 50/50 | m |

Auxiliary crane | 1 | pcs |

Fuel tank 2000 l | 3 | pcs |

The batteries (200 A/h) | 4 | pcs |

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