1. Weifang Jin Meng Dredger Co., Ltd.
Weifang Jin Meng Dredger Co.,Ltd. located in Qingzhou, Weifang City, is a manufacturer for sand dredger, work boat and gold dredging equipment,which is specialized in dredger 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 dredger building and researching, 16 designers on machinery 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 dredgers and good after-sale service. At home the products are sold to dozens of domestic provinces, municipalities and autonomous regions; in abroad the dredgers are sold to India, Iran, Oman, the United Arab Emirates , Argentina, Colombia, Saudi Arabia, Bangladesh, Egypt, Nigeria, Mongolia, Russia and so on. |
2. Sand Dredger
The Sand dredger we produce is self-propelled or non self-propelled,portable sand dredger. 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 sand dredger are as bellows: traversing device, cutter ladder lifting device, spuds and deck crane. The 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 dredger; at the end the slurry will be discharged by pipeline on land to the required place. Functions of sand dredger: dredging river, dredging sand, desilting, reclamation for channels and land, and building roads. Working site of sand dredger: sea, port, lake, and river. Soil conditions: relative hard soil, harden sand, sludge, sea sand, river sand, clay, mud, and so on. |
3. Specifications for River dredger
| JMD500 river sand dredger | |||
| 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 river dredger
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 river sand dredger test. |
5. Sand river dredger Test before ex-factory
| Each 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 sand dredger performance by themselives. |
6. Sand dredger Transportated by trucks on road
| The sand dredger 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 sand dredger 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 cutter suction dredger assembly work and give some training to the native workers. |
8. Customers' Visit
| Welcome customers' visit to our factory , cars are available to pick up from train station or airport, we cam talk more details of sand dredger face to face. |
9. Company culture:
Profession, Innovation, and Integrity