CSD-300 Cutter Suction Dredger

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

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Supply Capability:: 10 unit/month

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General Introduction

u This cutter suction dredger is designed to operate in sheltered inshore waters and under tropical climate conditions. Build under enterprise standard with reference to ZC standard，China.

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 CSD300
No.	Item	Description		Remark
1.	General Principle
	(1). Overall Length	36m
	(2). Side Pontoon Size	25m
	(3). Main Pontoon Size	16.0m
	(4). Breadth	6.5m
	(5). Moulded Depth	2.0m
	(6). Mean Draft	1.2m
	(7). Dredging Depth	15m
	(8). Pumping Distance	1500m
	(9). Pump Flow Capacity	2000m³/h
	(10).Suction Pipe Dia	450mm		Out Diameter
	(11) Discharge Pipe Dia	450mm		Out Diameter

2.	Main Pontoon
	(1). Dimension	16m3.5m2.0m
	(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	25m1.5m2.0m
	(2). Bottom Plate Thick	8mm
	(3). Side Wall Thick	6mm
	(4). Front and Rear Thick	6mm

4.	Main Engine			Drive dredger pump and hydraulic pump
	(1). Make	SINO-Petrol JICHAI ENGINE
	(2). Model	12V190ZLC		Marine Engine
	(3). Power / rpm	720Kw @ 1450 rmp
	(4). Fuel Consumption	130L/h
	(5). Cooling Style	Water Cooling

6.	Axle Generator			Driven separately
	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	300G-G
	Suction Pipe Diameter	350mm
	Discharge Pipe Diameter	300mm
	Head	65m
	Rpm	550rpm
	Water Flow Capacity	2000m³/h

9.	Gearbox
	Model	GC650
	Ratio	2 : 1

10.	Cutter
	Style	Hydraulic Motor+ Planetary Gearbox
	Cutter Power	130kw
	Crown Diameter	1400mm
	Cutter Out Diameter	1500mm
	Blades	5pcs		High manganese alloy
	Cutter Teeth	33pcs		High manganese alloy
	Rpm	0-10-30rpm

11.	Ladder Winch			Hydraulic Drive
	Winch Motor Brand	XVLI		Imported Brand
	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		Imported Brand
	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
	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	480mm
	Weight	4200Kg		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	YINING from Sino-Italy Joint Venture 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

19.	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).
20.	Navigation Tool
	(1). Elec-mag Compass	Equipped
	(2). VHF-Radiotelephone	Equipped

21	Optional Equipments
	(1) Pump Booster		Increase pumping distance
	(2) Spud Carrier		Stroke-4meter
	(3) Concentration Meter
	(4)Flow Capacity Meter
	Pipeline
	(1). HDPE pipe		ID-410mm OD-444mm Thickness-17mm Length-12m/pcs
	(2). Rubber Hose		ID-400mm Length-1.5m
	(3). Floater		ID-440mm Length-1200mm OD-1200mm
	Quantity depends on real pumping distance

Q:Who knows what's the name of the biggest dredger in China?: Tianjin Waterway Bureau of the pumping strength slightly stronger its name to "day" at the beginning of the word, is the largest dredger and Tianqi Tianlin, nominal production in my impression is 4200m /h fand the two sister ship, is currently the largest dredger.

Q:Does dredging dredger need relevant qualification?: I can do it for you or not! No, oh, no!

Q:What are the crew members on the dredge?: The dredge work generally is not very tired, after all, the mechanization of things, the need for artificial little ~ ~ for one is general and maintenance of turbine operation, as well as the ship fuel supply etc..

Q:The famous type of cutter suction dredger: MAN provides engines for the world's largest suction hopper dredger.

Q:How much dredging can the 4000 side /h suction dredge dredge in one day? Soft silt: The content of dredger dredging is generally 15 - 25%, 4000 way water flow you can count themselves, can use Baidu Search Xintuo heavy machinery, specializing in the production of dredger, dredging, pumping sand and other equipment, gold rush ship products exported to Africa and South Asia and other countries and regions

Q:Classification of trailing suction dredgers for trailing suction dredger: A single suction dredger rake or harrow, are arranged on the ship or on both sides.

Q:What is the difference between a cutter suction dredger and a trailing suction dredger?: The work of a cutter suction dredger works through an agitator in the head of a straw and straw.

Q:Who has the construction plan of dredger dredger after dredger dredging and dredging with dredger barge?: Would dig into the mud barge, barge by suction dredger, using force pump suction dredger through pipelines on shore

Q:The working principle of a trailing suction dredger: The ship is equipped with one or several sets of centrifugal pumps, centrifugal pumps for absorbing water and mud from the bottom of the vessel, into the mud tank. These operations are carried out on the voyage, while air while digging, mud tank fill to throw mud mud area, through the Bilge mud. Handle cases

Q:Advantages and disadvantages of trailing suction dredger for trailing suction dredger: In dredging, sediment laden with large amounts of water is transported to the dumping area, thereby affecting production. The suction boat can be used in infrastructure dredging and maintenance dredging, but not in narrow water areas

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