Introduction

In harsh working conditions such as river gravel mining, coarse tailings discharge, reservoir coarse sediment cleaning and quarry aggregate transportation, ordinary slurry pumps and sand pumps are extremely limited in application. Traditional pumps have narrow flow channels, poor particle passing performance and low wear resistance, which are very easy to cause pipeline blockage, rapid wear of flow parts, mechanical vibration and sudden shutdown failures. These frequent equipment problems not only delay project construction progress, but also generate a large amount of spare parts replacement costs and maintenance labor costs, seriously reducing project profit margins.
Different from ordinary medium and fine slurry pumps, Ocean Pump heavy duty gravel pump is professionally designed and manufactured for large-particle, high-abrasion and high-concentration heavy slurry working conditions. With ultra-wide flow channel structure, Cr28 high-chrome alloy full wear-resistant configuration and reinforced heavy-load mechanical design, this gravel pump perfectly solves the two major industry pain points of easy blockage and fast wear. It has become the most reliable core conveying equipment for global large-particle dredging, mining tailings treatment and coarse aggregate transportation projects.
customized 3D Drawing

1. Ultra-Large Flow Channel Anti-Clogging Design

The impeller and volute casing adopt one-piece widened flow channel optimization design, abandoning the narrow flow channel structure of traditional slurry pumps. The solid particle passing capacity is greatly improved, allowing solid particles accounting for 50% to 60% of the pump outlet diameter to pass smoothly. Whether it is river pebbles, broken gravel, coarse ore particles or mixed sediment with irregular impurities, the pump can realize continuous conveying without blockage, completely eliminating frequent shutdown and cleaning problems caused by material jamming.

2. High-Chrome Alloy Ultra-Wear Resistant Wet Parts

All flow-through vulnerable parts including impeller, volute casing, front and rear wear plates and throat bushing are made of high-purity Cr28 high-chrome white iron material. After special heat treatment process, the overall hardness reaches HRC 58 to 65, which is far higher than ordinary cast iron and low-chrome alloy materials. The wear resistance is 3 to 4 times that of ordinary cast iron pumps and twice that of low-chrome pumps. It can resist long-term high-speed scouring and impact of coarse gravel and ore slurry, greatly extending the service cycle of vulnerable parts and reducing frequent replacement costs.

3. Reinforced Heavy-Duty Shaft & Bearing Assembly

Gravel and coarse ore transportation will generate huge instantaneous impact force and radial torque. Ocean Pump heavy-duty gravel pump is equipped with 42CrMo high-strength alloy steel forging shaft and heavy-duty roller bearing group. The bearing housing adopts integral rigid casting structure, which can effectively resist strong vibration and mechanical fatigue generated by long-term heavy-load operation. The whole transmission system runs stably with low vibration and low noise, supporting 24-hour uninterrupted heavy-duty operation.

4. Detachable Replaceable Wear Liner Structure

The pump body adopts split-type detachable wear liner design. After long-term scouring and abrasion, users only need to replace the internal wear lining and vulnerable parts, instead of replacing the entire pump casing and main body. This structural design greatly reduces long-term equipment maintenance investment, shortens on-site disassembly and assembly time, minimizes construction downtime loss, and significantly improves the overall economic benefits of the project.

Core Performance Strengths

  • Super large particle passing capacity: Different models can stably pass 50–210mm ultra-large gravel and cobble particles, covering most coarse sediment working conditions.
  • Extreme abrasion resistance: High-chrome alloy full configuration adapts to long-term high-intensity scouring of high-abrasion media such as gravel and ore tailings.
  • High hydraulic efficiency: CFD fluid dynamic simulation optimizes internal flow line, reduces hydraulic resistance and energy loss, saving 15%-20% power consumption compared with old-fashioned pumps.
  • 24/7 continuous heavy-duty operation: Industrial-grade mechanical structure design, stable performance, suitable for long-term non-stop construction of large projects.
  • Low comprehensive operating cost: Long replacement cycle of vulnerable parts, low failure rate and less maintenance downtime, realizing the lowest comprehensive operation cost in the industry.

Wide Application Fields

Ocean Pump heavy duty gravel pump has extremely strong working condition adaptability, widely used in global dredging, mining, water conservancy and engineering filling fields:
  • River and sea sand-gravel mining, coarse aggregate collection and long-distance transportation
  • Metal and non-metal mining coarse tailings discharge, ore slurry transportation and tailings pond treatment
  • Reservoir, river and water channel coarse sediment dredging, hard sediment removal and water depth restoration
  • Quarry aggregate washing, crushed stone conveying and waste material disposal
  • Large-scale land reclamation, offshore filling engineering and large-particle material conveying projects

Why Choose Ocean Pump Gravel Pump

Ocean Pump has independent high-chrome alloy foundry and complete pump performance testing equipment. All gravel pumps undergo strict spectral metal composition detection, hardness testing and full-load hydraulic performance testing before delivery. Compared with similar products, our gravel pumps have stronger particle passing ability, higher operating efficiency and longer service life. Compared with international first-line brands, we have obvious price advantages, shorter delivery cycle and more flexible customized services. We can adjust pump flow, head, material configuration and sealing form according to user sediment particle size, concentration and conveying distance, providing customers with the most cost-effective professional large-particle conveying solutions.