CSD-350 RM Cutter Suction Dredger

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General Introduction

u This cutter suction dredger is designed to operate in sheltered inshore waters and under tropical climate conditions.

u She is of all welded steel construction ,bottom plate 8 mm thickness and shell plating 6 mm thickness, frame distance 500 mm, with 2 fixed spuds on the aft ,ladder support A frame in the front and 3 hydraulic operated winches ,2 double bollards(fwd and aft) and 1 single bollard in the center on each side. 2 anchor boom each side.

u The whole dredger is dismountable in road transportable sections.

u The engines and dredge pump are located in the center pontoon, the 2 side pontoons serve as fuel bunkers, ballast tanks and store.

u Engine room and pump section are accessible by watertight hatches

u Cutter shaft runs on roller type bearings in an enclosed shaft housing flooded with lubrication oil a lock oil tank to ensure a positive pressure inside the bearing housing is located on top of the wheelhouse.

u The spacious control cabin is ergonomically designed fitted on a raised platform with all around non obstructed view ,2 operators consoles containing engine instrumentation and controls for winches, dredge pump, suction and discharge pressure gauges, navigation light controls, airconditioned and well insulated .

u Below the control cabin is a changing room located with table, chairs and washbasin

u The underwater section of the dredger is protected with a marine coating system and cathodic protection for use in a saltwater environment


        TECHNICAL SPECIFICATION CSD350

No.

Item

Description

Remark

1.

General Principle  

(1). Overall Length

36m

(2). Side Pontoon Size

25m

(3). Main Pontoon Size

17.0m

(4). Breadth

7.2m

(5). Moulded Depth

2.0m

(6). Mean Draft

1.2m

(7). Dredging Depth

15m

(8). Pumping Distance

1500m

(9). Pump Flow Capacity

3000m³/h

(10).Suction Pipe Dia

500mm

Out Diameter

(11) Discharge Pipe Dia

500mm

Out Diameter

2.

Main Pontoon

(1). Dimension

17m*3.6m*2.0m

(2). Bottom Plate Thick

10mm

CCSB marine plate

(3). Side Wall Thick

8mm

CCSB marine plate

(4). Front and Rear

16mm

CCSB marine plate

3.

Side Pontoon

(1). Dimension

25m*2.0m*2.0m

(2). Bottom Plate Thick

10mm

(3). Side Wall Thick

6mm

(4). Front and Rear Thick

6mm

4.

Main Engine

Drive dredger pump only

(1). Make

SINO-Petrol JICHAI ENGINE

(2). Model

8190ZLC

Marine Engine

(3). Power / rpm

720Kw @ 1450 rmp

(4). Fuel Consumption

130L/h

(5). Cooling Style

Water Cooling

5.

Auxiliary Engine

Drive hydraulic pump &

axle generator

(1). Make

SINO-Petrol JICHAI ENGINE

(2). Model

6190ZLC

Marine Engine

(3). Power / rpm

380Kw @ 1000 rmp

(4). Fuel Consumption

60L/h

(5). Cooling Style

Water Cooling

6.

Axle Generator  

Driven by auxiliary engine

Make

STANFORD

Power / rpm

24Kw

7.

Harbor Generator

Drive hydraulic pump &

axle generator

Make

WEICHAI +STANFORD

Power / rpm

24Kw

Fuel Consumption

4L/h

Cooling Style

Air Cooling

Output Voltage

220V/ 380V

8.

Dredge Pump

Make

SHIJIAZHUANG

Model

350G-GH

Suction Pipe Diameter

400mm

Discharge Pipe Diameter

350mm

Head

65m

Water Flow Capacity

3000m³/h

9.

Gearbox

Model

L900

Ratio

3.0 : 1

10.

Cutter

Style

Hydraulic Motor+ Planetary Gearbox

Cutter Power

150kw

Crown Diameter

1400mm

Cutter Out Diameter

1500mm

Blades

          5pcs

High manganese alloy

Cutter Teeth

          28pcs  

High manganese alloy

Rpm

       0-10-30rpm

11.

Ladder Winch

Hydraulic Drive

Winch Motor Brand

XVLI

Sino-Italy Joint Venture

First Layer Pull

6 Ton

Wire Rope Dia

22mm

Wire Rope Capacity

120m

Wire Speed

0-20m/min

12.

Swing Winch

Hydraulic Drive  

Winch Motor Brand

XVLI

Sino-Italy Joint Venture

First Layer Pull

6 Ton

Wire Rope Dia

20mm

Wire Rope Capacity

120m

Wire Speed

0-20m/min

Quantity

2 sets

13.

Anchor Boom Unit  

Hydraulic Drive

Winch Motor Brand

XVLI

First Layer Pull

4 Ton

Wire Rope Dia

18mm

Wire Rope Capacity

100m

Wire Speed

0-20m/min

Boom Length

           12m

Boom Diameter

219mm

14

Spud

Length

18m

Diameter

550mm

Weight

          4900Kg

Each

     

15

Spud Cylinder

Cylinder Stroke

2.5m

Cylinder Dia

160mm

Working Pressure

16Mpa

Travel Speed

0.2m/s

16.

Deck Crane

Loading Capacity

3Ton

Boom Turning Radius  

3.5m

17.

Anchor

(1). Type

HHP Anchor

(2). Weight

500Kg

18.

Operation Cabin

(1). Operation Board

Control all dredger movement commands and monitor equipments running condition. PLC system from SIMENS

(2). Adjustable Chair

For dredger master. Leather.

(3). A/ C

First floor and second each set.

(4). Lounge

First floor cabin has space for two persons rest.  

19.

Hydraulic System  

A. System Introduction

Hydraulic system is designed to supply power for winches, cutter, spud cylinder and anchor boom. Hydraulic pump separately is driven by auxiliary engine.

B. Hydraulic Motor

Sino-China joint venture brand YINING as our hydraulic winch motors brand as its excellent working performance and durable usage life.

C. Hydraulic Pump

NANJING

20.

Painting Principle

Introduction

Do sand blasting before welding. Use good quality marine paint with greater thickness. Paint system is 3 or 4 layers with minimum thickness of 400 micron on the below water line area

21.

Electrical System

Introduction

All electrical components are from famous brand as Omron and CHINT. Equip overload protection box to control safety. Use high quality electrical marine type cables (smoke and halogen free).

22.

Navigation Tool

(1). Elec-mag Compass

Equipped

(2). VHF-Radiotelephone

Equipped

24

Optional Equipments

(1) Pump Booster

To increase pumping distance

(2) Spud Carrier

Stroke 4m

(3) Concentration Meter

(4) Flow Capacity Meter

Pipeline

(1). HDPE pipe

ID-450mm OD-490mm  Thickness-20mm

Length-12m/pcs

(2). Rubber Hose

ID-450mm Length-1.5m

(3). Floater

ID-480mm Length-1300mm  OD-1300mm

                  *Quantity depends on real pumping distance*

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