CSD-350 RM Cutter Suction Dredger System 1

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	17m3.6m2.0m
	(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	25m2.0m2.0m
	(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

Q: The famous type of cutter suction dredger: The famous famous suction dredger is China's sky whale, (Tianjin River Navigation Bureau), sky Navigation Bureau, 5000kW and so on. At present, the world's largest is Luxemburg, Jan, De, Nul dredging group JDN8069.

Q: Advantages and disadvantages of trailing suction dredger for trailing suction dredger: The drag suction dredger is often equipped with a lateral thruster in the bow, which has better handling performance. The anchor is not anchored or anchored by the cable during construction, so it has little interference to navigation

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: 3800m3 cutter suction dredger: Should be the hour efficiency of 3800 cubic meters, 3800 cubic meters of water or flow, I feel your problems are wrong, some 3800 type dredger, Holland IHC company, but refers to the total installed power. So I think it is type 3800, not 3800M3.

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: The working principle of a trailing suction dredger: Loading trailing suction dredger, basically is a kind of from the seabed dredging ship, the dredging method and vacuum cleaners.

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..

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