Special Sand-digging Pump For Dredgers

The dredging pump specially designed for dredgers is a core hydraulic conveying equipment specifically developed for projects such as river, lake and sea dredging, silt removal, and reclamation. It adopts a single-stage single-suction cantilever horizontal centrifugal pump structure and is an efficient slurry pump developed in response to the current situation of deteriorated waterways and urgent dredging tasks in China. This series of pumps, through advanced computer-aided design, has achieved comprehensive advantages including good ship-specific structure, excellent dredging performance, long service life, high efficiency, and reliable shaft sealing, fully meeting the strict working conditions of various dredgers and having passed the ship inspection certifications from organizations such as China Classification Society (CCS). Its core mission is to continuously and efficiently pump high-concentration and highly abrasive solid-liquid mixtures containing sand, gravel, clay, and even small stones, and it is the "heart" equipment in dredging projects.

Outstanding marine adaptability and reliability
Compact structure, easy maintenance: The design fully considers the space limitations on board. The structure is simple and reliable, and easy to disassemble and repair. Depending on the power and diameter, a single pump housing (lightweight, facilitating the lifting of underwater pumps) or a double pump housing (with stronger pressure-bearing capacity, suitable for large pumps) can be adopted.
Multiple transmission and sealing methods: Support various connection methods such as belt drive and gearbox drive. The shaft seal can be selected as packing seal, mechanical seal or composite seal according to the model to ensure no leakage and reliable operation under harsh conditions.
Excellent dredging and hydraulic performance
Strong flow and suction capacity: The flow channel design is wide, with strong flow capacity, capable of continuously transporting large particle materials. The cavitation performance is good, the digging depth is large, and it can maintain a high dredging concentration.
Ultra-high wear resistance and long service life
Key flow components use high wear-resistant materials: The impeller, front and rear guard plates, etc. are generally made of high-chromium alloy cast iron (such as A05, A07, etc.), with a hardness of up to HRC58 or above, which combines excellent wear resistance and impact resistance.
The pump body material is sturdy: The pump body uses wear-resistant alloy steel that can withstand pressure to ensure the durability of the overall structure in high-pressure and high-wear environments.

Channel dredging and maintenance: For the widening, deepening and maintenance dredging of major river basins such as the Yangtze River, Yellow River, Pearl River, and Huai River, as well as coastal waterways, to ensure navigation safety.
Port and wharf construction: In port expansions, new wharf constructions, and harbor basin dredging projects, responsible for transporting the excavated sediment.
Silt pumping for land reclamation and sea reclamation: Transport the dredged silt through pipelines to designated areas for land reclamation, artificial island construction, or coastal line reinforcement. Lake and Reservoir Dredging: Solving the problem of sediment accumulation in inland lakes and reservoirs, restoring their capacity, and improving water quality.

Question: Are you a factory or a trading company?
Answer: Our company is a manufacturer and trader specializing in design and development. We have been in production for over 20 years.
Question: How can I obtain the quotation?
Answer: Please kindly provide us with the flow rate, head, power, diameter, voltage, frequency and quantity of the pump so that we can offer you an accurate quotation.
Question: When is your delivery time?
Answer: We have inventory for sample orders, and for container orders it takes 7 to 15 days. (During busy seasons, it might take more days.)
Question: What is your warranty? What should we do if there is a problem?
Answer: We offer a one-year quality warranty. If there is a quality issue, we will provide a replacement via international express delivery.

Question: How do we install the pump?
Answer: We have a professional installation team who can provide a complete installation guide.

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