Bucket Ladder Dredger

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Dredging Vessels
Bucket Ladder Dredger

Dredging Vessels

Ideal for the extraction of sand and gravel with an endless chain of buckets

Dredging Vessels

Bucket Ladder Dredger

Ideal for the extraction of sand and gravel with an endless chain of buckets

Dredging depth: up to 25 meters

The Bucket Ladder Dredger, also known as the bucket chain dredger, is a highly efficient tool for sand extraction. It operates by using a power unit to drive a reducer, which rotates the corner wheel, moving the chain. The buckets on the chain then scoop up sediment from the waterbed, and the material is processed through a screening system to separate sand and gravel.

With a dredging depth ranging from 4 to 40 meters below the water’s surface, this dredger can simultaneously excavate and screen sand and medium-sized stones on board. The materials can be transported directly to shore via a remote pump through pipelines or loaded onto transport vessels for further delivery to distant docks.

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Applications

The Bucket Ladder Dredger is widely used for sand extraction in rivers, lakes, ports, and reservoirs. It is also ideal for salt extraction, riverbed mining, channel clearing, and underwater construction projects.

Specifications

Model	ZHD-500	ZHD-400	ZHD-300	ZHD-200	ZHD-100
Max. capacity	500m³/h	400m³/h	300m³/h	200m³/h	100m³/h
Length overall (ladder raised)	45m	40m	35m	30m	25m
Breadth	11m	9m	8m	7m	6m
Height	3m	2.5m	2.2m	1.8m	15m
Dredging depth	25m	20m	15m	15m	15m
Total power	500kW	400kW	300kW	200kW	150kW
Bucket power	260kW	220kW	132kW	75kW	45kW

Features

Strong Excavation Capability: The dredger can efficiently extract larger materials such as gravel and pebbles, and it also performs well in harder soil conditions. It is suitable for various underwater environments, excluding rock formations.
High Extraction Efficiency: With a higher bucket capacity, the dredger can operate continuously, allowing it to excavate and transport more sand and gravel per unit of time compared to other types of dredgers.
Energy-Efficient and Effective: Combining both extraction and screening processes into one step, this dredger improves overall operational efficiency while reducing energy consumption.

Detailed Features

Generator Set

Brands: Cummins, Weichai

Bucket Ladder

Customer Case Studies

This dredger, with a dredging depth of 12 meters and a processing capacity of 150 m³/h, is equipped with extraction, screening, washing, and sand and stone transportation functions. It is currently being used at a river sand mining site in Dalian, providing efficient material handling for ongoing operations.
At a reservoir expansion project in Henan, a dredger with a dredging depth of 15 meters and a processing capacity of 200 m³/h is playing a key role. Equipped with extraction, screening, and sand and stone transportation capabilities, it helps enhance the reservoir’s capacity and overall functionality.
A dredger with a dredging depth of 13 meters and a processing capacity of 300-400 m³/h is being used in a river and lake dredging expansion project in China. Equipped with extraction and transportation capabilities, it plays a crucial role in expanding waterways and improving navigation and water management.

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