MANUAL DE BOMBAS DE DRAGAGEM DAMEN TIPO DOP 1815, Esquemas de Mecânica dos fluidos

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DREDGING EQUIPMENT

DOP

PUMP

Damen Dredging Equipment developed, in cooperation with various dredging contractors, a series of multi-functional submersible dredge pumps, the DOP® pumps.

The heart of this versatile dredge tool is a wear-resistant, compactly built dredge pump with a maintenance-friendly seal. All wear parts can easily be replaced and, depending on the job, supplied in different materials varying in hardness, toughness and price.

Damen Dredging Equipment has more than 60 years of experience as a manufacturer and designer of dredging equipment. This knowledge enables us to design modifications for the DOP®^ pump to suit your requirements as well as assist and advise you on the operation of the DOP ®^ pump.

APPLICATIONS

■ Sand and gravel mining dredging. ■ Small scale dredging operations, such as maintenance dredging in ports and canals. ■ Dredging in restricted areas. ■ Unloading of hopper barges. ■ Suspended from an A-frame as a deep suction dredger, down to a depth of 50 meters. ■ Mounted on a cutter ladder. ■ Suitable as a mobile booster station. ■ Special applications such as environmental dredging.

ADVANTAGES

■ Proven design, already used by many contractors around the world. ■ Operating depth down to 500 meter. ■ Multifunctional, basic pump unit can be outfitted with various suction heads for specific purposes. ■ Executed with heavy duty mechanical seal which does not require glandwater or grease supply. ■ Discharge distances up to 1000 meter with a single pump. ■ Sphere passage impeller up to 200 mm. ■ Heavy duty construction with protective casing to allow operation in rough environments. ■ Different sizes to suit client requirements. ■ Very high production capacities. ■ Changeable wearing parts made of high wear resistant material. ■ Available with hydraulic as well as electric drive.

DOP

PUMP

GENERAL INFORMATION

DOP1515 DOP1815 DOP2320 DOP3025 DOP3530-LD

PERFORMANCE Mixture capacity (m^3 /hr) 200 - 500 300 - 600 500 - 1000 800 - 1400 1200 - 2000 Pump speed approx. (rpm) 1200 1000 850 700 630 Max. power at shaft (kW) 65 95 150 250 250

HYDRAULIC REQUIREMENTS Oil flow (l/min) 190 260 430 700 700 Oil pressure (bar) 225 225 225 225 225

CUTTER / AUGER DRIVE Max. power at shaft (kW) 12 16 26 38 38 Oil flow (l/min) 35 45 75 105 105 Oil pressure (bar) 225 225 225 225 225

JETWATER Connection (diameter in mm) 75 75 100 150 150 Advised capacity (m^3 /hr) 50 - 125 75 - 150 125 - 250 200 - 350 300 - 475 Pressure (bar) 5 5 5 5 5

DIMENSIONS Suction bore (mm) 150 180 230 300 350 Discharge connection (mm) 180 200 250 300 350

Spherical passage (mm) 75 110 125 155 200

DOP

PUMP

D A M E N D R E D G I N G E Q U I P M E N T

Edisonstraat 32 3861 NE Nijkerk

Member of the DAMEN SHIPYARDS GROUP

P.O. Box 1021 3860 BA Nijkerk The Netherlands

PB-DDE-001-

© No part of this leaflet may be reproduced in any form, by print, photo print, microfilm, or any other means, without written permission from Damen Dredging Equipment.

This leaflet is a brief summary from the original specification, which can be sent on request. Specifications are subject to modification without notice.

phone fax

info@damendredging.com www.damendredging.com

+31 (0)33 247 40 40 +31 (0)33 247 40 60

▲ Suspended from a crane and equipped with a jet water ring, DOP®^ pumps are used for emptying barges.

MULTIFUNCTIONAL

▼ Both deep suction dredging and cutter suction dredging with the same suction dredger is made possible by using a DOP®^ pump.

▲ Suspended from an A-frame and equipped with a sand production head, DOP®^ pumps transform a pontoon into a sand suction dredger.

▼ Mounted to a hydraulic excavator using a quick coupling and equipped with a cutter unit, DOP ® pumps cut trenches for pipelines and level workpits.

▲ In combination with a hydraulic power pack, DOP ® pumps are deployed as ‘trouble- shooters’ at various sites for short periods.

▼ A DOP ®^ pump equipped with an auger head in combination with a backhoe pontoon is a perfect dredger for environmental dredging operations. The auger head cleans up wide tracks on an accurate depth and the turbidity is minimal which is necessary when dredging polluted material.