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: 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

Q: What is the working principle of a cutter suction dredger?: Construction principle of cutter suction dredger:The dredger is in place, the steel pile excavation construction method, horizontal positioning dredging and filling, it is with a fall in the channel center line of the main hull positioning pile as the center of the rotation, the role of the reamer for traversing on lateral swing in the channel width, the construction method of excavation section of soil layer cutting cutter.

Q: How much dredging can the 4000 side /h suction dredge dredge in one day? Soft silt: The pump in the cabin and the underwater pump are full load. The length of the pipeline is within 3 kilometers, and the depth is about -16 meters. According to the rate of 18 hours per day, the production rate is 61200 according to 3400.The actual amount should be between 45000 and 55000.

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: Does dredging dredger need relevant qualification?: This should be based on the requirements of your local department, which is not required in general

Q: Classification of trailing suction dredgers for trailing suction dredger: Trailing suction dredger is one of suction suction type. It sucks in mud by raking the head of the two side of the ship's hull or at the tail to work with mud and side navigation. Is the use of mud rake scarification, boat design sediment tank, tank volume said the size of the ship. A single to rake or harrow, are arranged on the ship or on both sides. Suction dredger is flexible, high efficiency, strong wind waves, suitable for coastal ports, the wide river and ship anchorage operation in large waves and without the cover of coastal and estuarine areas, should choose the self-propelled trailing suction dredger. Soil works suitable for loosening and less than clay hardness. The self-propelled boat is equipped with a mobile power unit (paddle machine) to drive the dredger.

Q: 3800m3 cutter suction dredger: The 3800m3 cutter suction dredger says 3800m3 of sediment can be dug per hour!I designed the dredge pump, the ship is generally named after dredging flow, but also by the flow of water named

Q: Who knows what's the name of the biggest dredger in China?: Shanghai Waterway Bureau trailingsuction ship strength slightly, most of its name to "Xinhai" at the beginning, the Phoenix as the representative of the Xinhai tank volume is about 16000m the ship should be fand the largest and most advanced tshd. To say that the largest is the new sea lion, but the head is large, inefficient, difficult to enter the stream.

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: What are the crew members on the dredge?: But in general, the dredger crew responsible for the work can be divided into: navigation, communication and work positioning on the ship, electrician, turbine, maintenance, and operation personnel (dredging) and special equipment (such as grab dredger crane and grab operation, cutter suction, suction dredger winch, water pump operation etc.).

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