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  • csd

Specific methods to improve dredging capacity of CSD

February 21st, 2020|

Transform the dredging depth   Based on the designed excavation length, the distance is increased, and the mechanical equipment in the construction process is reformed according to the needs. It is important to note that when the length of the cutter ladder increases, its lifting capacity needs to be calculated [...]

  • Daily maintenance and regular inspection of fire equipment1
  • Daily maintenance and regular inspection of fire equipment2

Daily maintenance and regular inspection of fire equipment

January 14th, 2020|

Daily maintenance and inspection of early-warning fire equipment.   The ship fire alarm device shall be inspected by a special person at least once a month for full coverage and shall be recorded, and the failed equipment shall be replaced in time.   Inspection of stationary carbon dioxide systems.   [...]

  • Fire-fighting equipment for cutter suction dredger

Fire-fighting equipment for cutter suction dredger

January 3rd, 2020|

Early warning fire-fighting equipment   In the key parts of the ship according to the environment to install temperature or smoke detector, sound-light alarm device, such as the ship engine room, fixed carbon dioxide room, paint room, oil distributor room, battery room, kitchen, accommodation, etc. Manual alarm devices should be [...]

  • Characteristics of short discharge distance construction of cutter suction dredger-1
  • Characteristics of short discharge distance construction of cutter suction dredger-2

Characteristics of short discharge distance construction of cutter suction dredger

December 27th, 2019|

Influence of short discharge distance construction on the dredge pump device   As we know, the design flow and design pressure of the single-speed dredge pump on the cutter suction dredger usually correspond to the characteristics of the pipeline under the design condition, that is, the rated discharge distance and [...]

  • Construction methods for different soil qualities-1
  • Construction methods for different soil qualities-2

Construction methods for different soil qualities

December 20th, 2019|

Excavate hard clay. Hard clay moisture content is low, cohesive force is large, the cutter rotation is clockwise, in the right transverse movement is easy to produce "hob" phenomenon, in addition to appropriate control of the left anchor mechanism dynamic pressure, but also to reduce the cutter speed, transverse speed, [...]

  • The main factors to be considered in selecting a dredger

The main factors to be considered in selecting a dredger

November 28th, 2019|

Selecting dredger appropriately according to construction conditions is an important prerequisite for organizing dredger construction and dredging. If the dredger is not chosen properly, it will not only increase the cost of dredging but also may damage the dredger and even fail to complete the task. There are two basic [...]

  • Environmental dredging and its engineering characteristics

Environmental dredging and its engineering characteristics

November 21st, 2019|

Technical requirements for environmental dredging Environmental dredging aims at removing polluted bottom mud in water bodies such as oceans, lakes, and rivers, strictly controlling the precision of dredging, focusing on preventing the re-diffusion of polluted bottom mud in the dredging process and the leakage of polluted bottom mud in the [...]

  • Dredging characteristics and suitability of common dredgers

Dredging characteristics and suitability of common dredgers

November 15th, 2019|

Cutter suction dredger of dredging characteristics Cutter suction dredger is one of the most common and widely used hydraulic dredgers in recent years, which can complete dredging processes such as digging, conveying, discharging, and processing mud at one time, with continuous operation, high production efficiency, and low cost. It is [...]