- Overview
- Product Description
- Features
- Product Parameters
- Pictures Show
- Successful Case
- Related Products
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Basic Info.
Packaging & Delivery
Product Description
Water Self Propelled Dredge is widely used to recover materials from great depths and can also extract sand from below a clay overburden which is also called a jet sand suction dredger. The Water Self Propelled Dredge is equipped with a high-pressure water pump and a powerful sand suction pump. The water pump can produce a high-pressure high-speed water jet to impact the bottom of the sand layer and splash the mixed sand around the suction head, and the sand suction pump conveys the sand to the destination through the discharge pipe.
OCEAN Pump brand Water Self Propelled Dredge consists of a dredge body, high-efficiency wear-resistant marine sand pump, high-pressure water pump, famous brand diesel engine, and discharge system. Our Water Self Propelled Dredge features an integrated design, high efficiency, good wear resistance, flexible operation, and energy saving in the delivery of solid particles. Our Water Self Propelled Dredge is the most economical Water Self Propelled Dredge for loose fine sand in the water bottom. We can customize various small and medium jet suction dredgers for your demands. 
Features of Water Self Propelled Dredge
1. High efficiency, large output, and long discharge distance.
2. Very simple and fast assembly and disassembly, simple operation, easy to control.
3. Good economic performance.
4. Dredge platform consists of multiple pontoons connected by a proven coupling system.
5. Highly efficient fuel consumption and minimum overall operational costs.
6. Economize human resources. One-man operation in a low-noise operating cabin.
7. Controls box and instruments are mounted on an ergonomic dashboard.
8. We can according to the customer's request make a jet sand suction dredger
| Item | JSD200 | JSD250 | JSD300 | JSD350 | JSD400 | ||
| 1 | Dredger performance | Sand capacity(m³/hr) | 80-110 | 130-260 | 300-360 | 360-390 | 44NO.0-520 |
| Max.discharge distance(m) | 200-600 | 200-1000 | 200-1500 | 200-1800 | 200-2000 | ||
| Max. gravel diameter passing through(mm) | 50-60 | 60-70 | 60-70 | 60-70 | 60-80 | ||
| Max.dredging depth(m) | 15 | 15 | 15 | 20 | 20 | ||
| 2 | Dredger body | Size(L*W*H) | 8*1*1.5,2PC 6*2.25*1.5, 1PC | 8*1*1.5,2PC 6*2.25*1.5, 1PC | 11.8*1.1*1.5,2PC 8*2.25*1.8,1PC | 18*1.1*1.5, 2PC | 18*1.1*1.5, 2PC |
| 3 | Sand suction system | Pump size(inch) | 8/6 | 10/8 | 12/10 | 14/12 | 16/14 |
| Pump flow(m³/hr) | 410-540 | 620-1450 | 1650-1800 | 1800-1950 | 2200-2600 | ||
| Pump head(m) | 28-48 | 21-35 | 24-35 | 24-35 | 30-50 | ||
| Pump speed(rpm) | 730-980 | 730 | 730 | 730 | 550-700 | ||
| Main engine power(kw) | 132-156 | 180-250 | 250-300 | 300-410 | 410-460 | ||
| Gearbox | Yes | Yes | Yes | Yes | Yes | ||
| Connect metal base | Include | Include | Include | Include | Include | ||
| High pressure water pump | Jetting sand up | Jetting sand up | Jetting sand up | Jetting sand up | Jetting sand up |
Mr. Peter is from Liberia and is a professional contractor for construction projects in Liberia. On April 5th, 2021, we received an email from Peter. There is a river in Liberia as his working site, he wanted to pump sand from the river and used the sand for construction after treatment. He had contacted someone who would provide the sand pumping equipment for the filter. Now, he contacted us about the sand dredging machine.
After receiving the email, we sent an email confirming the detailed working condition to him. Because the engineers needed to know the specific detail to confirm the river sand pumping boat which we supplied is the most suitable type for the customer.
The detailed working condition was as follows:
- Dredging depth( from the water level to the sand bed): 15 m
- Discharging distance( from the dredger to the stockpile): 400 m
- Vertical height( from the water level to stockpile): 5 m
- Sand capacity per hour: 200 m3/h
- particle size: 10 mm ( sand and small gravels)
- The sand bed is very loose, so sand is very easy to be jetted up.
According to the information Peter sent, the engineers recommended the 10-inch Water Self Propelled Dredge for him, equipped with our 10-inch heavy-duty sand pump. The specification of the Water Self Propelled Dredge is as follows:
- Dredger body: main hull: 6 m * 2.2 m *1.8m, 1 piece.
- Site pontoons: 8 m * 1.1 m * 1.5 m
- Sand pump size: 10 inches. Input diameter: 250 mm. Output diameter: 200 mm.
- Sand capacity: 200 - 300 m3/h
- Dredging depth: 20 m
- discharge distance: 400m
- Diesel engine power: 280 hp (to provide the power for the sand pump and water pump )
- Speed of sand diesel engine: 1800rpm
- Water pump for jetting sand: 4 inches.
- Water capacity: 100 m. Head: 50m.
- Generator power: 50kw, to provide the power for all the electric machine
In order to facilitate the operation and maintenance of customers, we have considered the following aspects in the design of the Water Self Propelled Dredge:
- Operation station: All the electrical parts can be controlled by the operation buttons and handles.
- Electric winch: 3 sets of the winch, connecting with the anchor to fix work location and balance while it was working.
After we sent the design specification of the Water Self Propelled Dredge, Mr. Peter said they would need some time to consider and discuss it. On Apr. 15th, 2021, we received feedback from Peter again. He discussed with his engineers and operators to confirm the design whether was suitable for them and whether they could operate it smoothly. He also requested we contact the technician in the workshop who was responsible for loading. The loading engineer calculated the space of all the goods and confirmed that all the goods ordered by the customer could be loaded into 2* 40 HQ containers. After all of his questions has been answered, we signed the order. The total order included one set 10-inch Water Self Propelled Dredge, one set propeller, 400m discharge PE pipes, and 30 pairs of floaters for some pipes. Then, we sent the PI with bank payment information together.
We received a 40% advance payment for the River Sand Pumping Machine from the customer on Apr. 20th. Then we arranged the production in our workshop. The production time we requested was 25 working days( till May 23). Finally, the Water Self Propelled Dredge completed production in May. 20th. The Water Self Propelled Dredge was finished as scheduled, then we did the running testing next. During the whole testing time, all the engines could be started smoothly and the pump was work well. So, we sent the testing video of the Water Self Propelled Dredge to the customer. Mr. Peter was very satisfied with the testing video. On May. 21st, he paid the 60% balance and asked us to arrange the shipment. According to his requests, we booked the earliest containers and vessel for him on the 22nd. The shipping time is on May 29th, so we loaded the Water Self Propelled Dredge on the 25th.
Then we charged the other things and confirmed the detailed information of the bill of loading. When all the detailed information was confirmed, we helped Peter do the necessary documents for customs clearance about this 10-inch river sand pumping boat and pipeline. After the vessel has left the port, we sent him the schedule for reference. " Nice service and professional support! Pleasant cooperation! Thanks for all the help and kindness!" Mr. Peter said.
As a professional sand pump and dredger designer, manufacturer, and exporter, OCEAN Pump had been worked harder to become the leader to supply One Stop Sand Pumping Solutions to worldwide customers since 1997. We have more than 30 talented sand pumping experts and strong teams responsible for product development, manufacturing, quality control, exporting, and sales service. We have our own manufacturing factory with professional technicians and advanced machines. By choosing OCEAN Pump, you choose a long-term professional partner for your sand pumping business.
OCEAN Pump Factory is located in Taian City, a famous tourist city near the expressway from Beijing to Shanghai, Shandong Province, China. As the leading sand pump machine designer and manufacturer, OCEAN Pump has its own 15,000 square meters state-of-art manufacturing factory. In recent years, we had invested more than 700,000 dollars into our modern manufacturing factory to improve the basic production facilities, working conditions, employee salary, welfare, technical and teamwork training, etc.
