CSD-200 Cutter Suction Dredger

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Product Description:

General Introduction

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

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 YS-CSD200P

No.

Item

Description

Remark

1.

General Principle  

(1). Overall Length

22m

(2). Side Pontoon Size

14m

(3). Main Pontoon Size

10.0m

(4). Breadth

4.6m

(5). Moulded Depth

1.6m

(6). Mean Draft

1.0m

(7). Dredging Depth

8m

(8). Pumping Distance

1000m

(9). Pump Flow Capacity

800m³/h

(10).Suction Pipe Dia

300mm

Out Diameter

(11) Discharge Pipe Dia

300mm

Out Diameter

2.

Main Pontoon

(1). Dimension

10m*2.2m*1.6m

(2). Bottom Plate Thick

8mm

CCSB marine plate

(3). Side Wall Thick

6mm

CCSB marine plate

(4). Front and Rear

14mm

CCSB marine plate

3.

Side Pontoon

(1). Dimension

14m*1.2m*1.6m

(2). Bottom Plate Thick

8mm

(3). Side Wall Thick

6mm

(4). Front and Rear Thick

6mm

4.

Main Engine

Drive dredger pump only

(1). Make

WEICHAI

(2). Model

6160

Marine Engine

(3). Power / rpm

 300 Kw @ 1000rmp

(4). Fuel Consumption

40L/h

(5). Cooling Style

Water Cooling

6.

Axle Generator  

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

200G-G

Suction Pipe Diameter

250mm

Discharge Pipe Diameter

200mm

Head

65m

Rpm

1000rpm

Water Flow Capacity

800m³/h

9.

Gearbox

Model

FDL-320

Ratio

1: 1

10.

Cutter

Style

Hydraulic Motor+ Planetary Gearbox

Cutter Power

55kw

Crown Diameter

900mm

Cutter Out Diameter

1000mm

Blades

          5pcs

High manganese alloy

Cutter Teeth

          28pcs  

High manganese alloy

Rpm

       0-10-30rpm

11.

Ladder Winch

Hydraulic Drive

Winch Motor Brand

      NINGBO XULI  

 

First Layer Pull

4 Ton

Wire Rope Dia

16mm

Wire Rope Capacity

120m

Wire Speed

0-20m/min

12.

Swing Winch

Hydraulic Drive  

Winch Motor Brand

NINGBO XULI

First Layer Pull

4 Ton

Wire Rope Dia

18mm

Wire Rope Capacity

120m

Wire Speed

0-20m/min

Quantity

2 sets

14

Spud

Length

12m

Diameter

325mm

Weight

          2200Kg

Each

     

15

Spud Cylinder

Cylinder Stroke

2.0m

Cylinder Dia

125mm

Working Pressure

16Mpa

Travel Speed

0.2m/s

17.

Anchor

(1). Type

HHP Anchor

(2). Weight

200Kg

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

One set  

19.

Hydraulic System  

A. System Introduction

Hydraulic system is designed to supply power for winches, cutter, spud cylinder. Hydraulic pump separately is driven by engine free end.

B. Hydraulic Motor

From YINING which is Italy-China Joint Venture Brand

Excellent performance and 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. Fix anti-rust device inside and outside of pontoons.

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-285mm OD-315mm  Thickness-15mm

Length-11.5m/pcs

(2). Rubber Hose

ID-300mm Length-1.2m

(3). Floater

ID-315mm Length-1100mm  OD-1100mm

                  *Quantity depends on real pumping distance*

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Q:What is the difference between a cutter suction dredger and a trailing suction dredger?
TSHD is installed through the chain of dredge bucket will be dug out of the bottom mud, stored on a ship or barge dredger edges.
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: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 are the crew members on the dredge?
The tonnage of dredger is large and small, and the dredging method is also divided into many kinds, so it can not be generalized.
Q:Does dredging dredger need relevant qualification?
But if the local government regulations must be legitimate formal dredging project, estimated to need to apply for a ship's certificate, it is equivalent to a person's identity card! If you need Qingzhou Wynn mine, you can go through the whole process, the relevant costs to consult manufacturers.
Q:How much dredging can the 4000 side /h suction dredge dredge in one day? Soft silt
The "4000 party" per hour he refers to is under design conditions. If you are digging soft mud, the hourly rate is higher than 4000, and I now ship according to Holland IHC, originally designed to be 3500 parties, we call the 4500 party. In fact, if the excavation of soft silt, pipelines in 5 kilometers or so, we can produce more than one hundred thousand per day. The instantaneous yield can reach 7000 square hours per hour. I wonder what the power of your so-called 4000 party pump is
Q:What is the working principle of a cutter suction dredger?
To locate the pile as the center circle movement by sliding around the hull swing cutter knife and realize dynamic soil, can pump to thousands of meters away
Q:Classification of trailing suction dredgers for trailing suction dredger
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.
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:3800m3 cutter suction dredger
3800m3 bucket wheel dredger is at the end of the last century according to the Ministry of transportation "based on domestic design and construction, the introduction of equipment key technology policy, the Yangtze River Waterway Bureau presided over the development of construction, Shanghai 708 Institute of design, Wuchang shipyard built China's first inland new dredger. The ship's key power equipment, dredging equipment, hydraulic systems were provided by German SKL company, United States Ellicotte (Aili, Kurt) company, the United States Dennison hydraulic company. This ship has been officially delivered to the Yichang Waterway Engineering Bureau of the Yangtze River. The name of vessel is No. 1.Bucket wheel cutting device in the river near the mouth of the soil suction, and by rotating the bucket wheel by cutting soil and water into high concentration mud, directly transported to the suction suction head of the top tube, rely on the suction centrifugal pump, the suction pipe has certain vacuum. The mud suction head, suction tube at the top end of the suction pipe, through the mud pump pressure after the mud through the mud discharging pipe into the mud barge or transported to the mud field. Through positioning piles, positioning piles, landing gear and traversing winch, the positioning of dredger, longitudinal forward movement and lateral swing of ship are achieved, and the purpose of continuous excavation of river bed soil is achieved.

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