1. Weifang Jin Meng Dredger Co., Ltd.
Weifang Jin Meng Dredger Co.,Ltd. located in Qingzhou, Weifang City, is a manufacturer for rive sand dredge, work boat and gold dredging equipment,which is specialized in river sand dredge researching, designing, production and sales. We have professional R&D department, CAD drawing design center, quality control department and after sales service department. Our company has more than over 500 employees, including 5 professional senior engineers on river sand dredge building and researching, 16 designers on river sand dredge construction, 8 engineers on quality inspecting and controlling as well as 10 after sales service engineers. |
| The company is popular recognized by customers for strong technical strength, high quality rive sand dredge and good after-sale service. At home the river sand dredge are sold to dozens of domestic provinces, municipaities and autonomous regions; in abroad the river sand dredge are sold to India, Iran, Oman, the United Arab Emirates , Argentina, Colombia, Saudi Arabia, Bangladesh, Egypt, Nigeria, Mongolia, Russia and so on. |
2. Dredging machine River sand Dredge
The rive sand dredge we produce is self-propelled or non self-propelled,portable rive sand dredge. The hull uses dismantle and box-like structure, Its dismantle type can be assembly at working place easily and be transported by road, railway and container accordingly, convenient in installation and working place moving from one to another. The power system can be designed to electric system or diesel engine driving system according to customers’ requirements.Equipment on the rive sand dredge are as bellows: traversing device, cutter ladder lifting device, spuds and deck crane. The river sand dredge working process is as following: the cutter head cut the sand and mud underwater to mixture of slurry, then through dredging pump to the pipeline on river sand dredge; at the end the slurry will be discharged by pipeline on land to the required place. Functions of rive sand dredge: dredging river, dredging sand, desilting, reclamation for channels and land, and building roads. Working site of rive sand dredge: sea, port, lake, and river. Soil conditions for river sand dredge: relative hard soil, harden sand, sludge, sea sand, river sand, clay, mud, and so on. |
3. Specifications for river sand dredge
| JMD500 rive sand dredge | |||
Dredging Pump | Dia. Discharge pipe | 500mm | |
| Head | 54m | ||
| Max. Working capacity | 1050m3/h | ||
| Discharge distance | 1500m | ||
| Dredging depth | 15m | ||
Diesel Engine | 895KW | Cummins | |
| Hydraulic Auxiliary engine | 298KW | Cummins | |
| Emergency Generator | 30KW | Cummins | |
| Total power | 1223KW | ||
| Oil Consumption | 183L/H | ||
| Hull Dismension | LOA*W*D | 36m×7.9m×2.2m | |
| Hydraulic system | Hydraulic pump | VICKERS America (Joint-venture) | |
| Hydraulic Motor | Italy SAI technology(Joint-venture) | ||
| Valves | REXROTH Germany (Joint-venture) | ||
| Operating system | SIEMENS PLC(Imported from Germany) | ||
| Ladder winch | Tension | 100KN | |
| Swing winch | Tension | 100KN | |
| Cutter Head | Crown-like | Φ1750mm | |
| Power | 170KW | ||
4. Workshops for rive sand dredge
A. Hull Welding 1. Steel plates- Rust removal ,Antiseptic treatment. 2. Carbon-dioxide arc welding and Submerged-arc welding. 3. Tightness test and inspection B. Deck machinery installation. C. Main engine and auxiliary engine location installation. D. Hydraulic system installation. 1. The pickling , phosphating treatment of the hydraulic pipes. E. The electrical installation F. The Whole rive sand dredge test. |
5. River sand dredge Test before ex-factory
| Each rive sand dredge must be tested well before delivery, before test we will send the invitations letter to the buyers to invite them and check the river sand dredge performance by themselives. |
6. Rive sand dredge transportated by trucks on road
| The rive sand dredge is dismantled, box-like structure, and can be transported easily by trucks on road. |
7. Assembly in working sites and engineers are available for overseas service
| After rive sand dredge arrive at customers' working site, two experienced engineers will be sent within one week.With the assist work of 6-8 native workers, our engineers will finish the river sand dredge assembly work and give some training to the native workers. |
8. Customers' Visit to see the river sand dredge condition by themselves.
| Welcome customers' visit to our factory , cars are available to pick up from train station or airport, we can talk more details of rive sand dredge face to face. |
9. Company culture:
Profession, Innovation, and Integrity