Brief introduction of the disassembly process of the wheelset
At present, due to the increasing demand for dredging channels and building factories in the sea, large cutter suction dredgers are widely used in port construction and Marine development, playing a huge role. Cutter suction dredger is a kind of offshore construction equipment with a complex system and high technical [...]
Influence of flow rate and concentration on production efficiency
1.Flow rate The dredger is operated under certain working conditions, and its output flow is rated under normal conditions. In order to obtain maximum productivity, it is necessary to choose the optimal construction scheme and maximize the output flow while ensuring the normal operation of the dredge pump. Under the conditions [...]
Operation methods for different soils
Excavation of hard clay: the water content of hard clay is low, high viscosity and hardness, and is not easy to collapse and excavation broken. It is difficult to excavate with bucket wheel head cutter, it is necessary to increase power to reduce the bucket wheel head speed, swing speed, [...]
Pipeline laying method
Floating pipe laying Float pipe of a certain length shall be laid after the stern pipe of the cutter suction dredger conveying pump. The floating pipe adopts the form of a plastic pontoon-covered steel pipe, and the steel pipes are flexibly connected with 1.5m long rubber pipes. So that the [...]
Troubleshooting of hydraulic system of spud of cutter suction dredger
Failure maintenance of the hydraulic system of spud of cutter suction dredger In the process of repairing the fault of the hydraulic system of spud of cutter suction dredger, the staff should first confirm the initial position of the oil cylinder, and after there is no pressure in the [...]
Specific methods to improve dredging capacity of CSD
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 equipment
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
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
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
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
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
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 [...]