Complaint
Heavy Duty Ship Unloader System For Coal Unloading At Port Terminal
Bridge-type ship unloader including self-propelled trolley type and wire rope drawing trolley type. Wire rope drawing trolley type including main and auxiliary trolley type and differential four drums trolley type. Differential four drums trolley type including mechanical differential four drums trolley type and electric differential four drums trolley type.
All the ship unloaders are designed based on our client`s technical specifications and applications, so the technical discussion meeting is essential before the project proposal stage.
| model | Self-propelled trolley | Main and auxiliary trolley | Mechanical differential | Electric differential |
| weight(%) | 100% | 80% | 60~65% | 60% |
| stability | 1.4 | 1.5 | 1.7~1.8 | 1.7~1.8 |
| Wire rope lengtg | 1 | 6 | 2.5 | 2.5 |
| Power consumption | 1 | 2.5 | 1.1 | 1.2 |
| Operating cost(%) | 100% | 95% | 90% | 90% |
| Fault and maintenance | Breakdown rate high and hard to maintain | Breakdown rate low and easy to maintain but wire rope system is complicated | Wire rope system is simple, easy to change gear reducer is specific design,hard to maintain and change | Wire rope system is simple,gear reducer is standard,easy to maintain,electrical system is complicated |
| Cost of fundamental and facilities(%) | 100% | 95% | 85% | 85% |
| model | Mechanical differential | Electric differential |
| weight(t) | 1100 | 1050 |
Rail distance(m) Wheel distance(m) | 18~28 18 | 18~28 18 |
No of wheel Wheel pressure T Driver KW | 40 50 7.5*10 | 40 50 7.5*10 |
| Luffing mechanism KW | 90~110 | 90~110 |
| Four drums mechanism KW | Start 2X500KW Runing 315KW | 4*400 |
| Specification of ship unloader | ||||||||||||||||
| vessel | capacity | unload time | lift capacity of grab | weight of single grab | cycle times | one cycle | density of bulk material | rail distance | rail | wheel pressure | extending reach distance of grab | rear reach distance of grab | hoisting speed | lowering speed | trolley speed | traveling speed |
| DWT | t/h | hours | T | T | s | t/m3 | m | kN | m | m | m/min | m/min | m/min | m/min | ||
| 1000 | 340 | 2.94 | 10 | 5.5 | 61.82 | 58.23529412 | 0.85 | 16 | QU80 | 350 | 23 | 21 | 90 | 100 | 120 | 25 |
| 5000 | 500-2000 | 2.5~10 | 12.5~48 | 7.3~28 | 67.42~71.43 | 52.56-53.4 | 0.8~0.9 | 10.5~20 | QU80~100 | 245~600 | 24~28 | 8~16 | 100~160 | 120~190 | 150~240 | 20 |
| 8000 | 1000 | 8.00 | 25 | 14.8 | 67.57 | 53.28 | 20 | QU100 | 350 | 28 | 17 | 135 | 150 | 180 | 20 | |
| 20000 | 800-1000 | 20.00 | 22~30 | 13.3~14.8 | 55.56~67.57 | 53.28~64.8 | 0.85 | 16~22 | QU80~120 | 330~530 | 24~38 | 21 | 12~135 | 135~150 | 180 | 20~25 |
| 30000 | 1250 | 24.00 | 32 | 19.6 | 63.78 | 56.448 | 0.95 | 16 | QU100 | 505 | 33 | 14 | 135 | 150 | 220 | 25 |
| 35000 | 800~1600 | 21.88~43.75 | 22~40.5 | 12.8~25 | 62.52~76.19 | 54~57.6 | 0.85~0.95 | 14~24 | QU80~100 | 330~530 | 27~31 | 11~19 | 120~135 | 135~180 | 180~220 | 20~25 |
| 50000 | 1250~1650 | 33.3~40 | 32~40 | 19.5~25 | 60~67.35 | 56.16~60 | 0.85~0.95 | 22~26 | QU100~120 | 500~520 | 30~33 | 17~19 | 150~200 | 180~240 | 180~220 | 20~25 |
| 70000 | 1250~1750 | 40~56 | 34~42 | 20.5~25.75 | 52.08~68 | 53~69.12 | 0.85~0.9 | 22~30 | QU100~120 | 500~600 | 32~40 | 16.5~27 | 160~220 | 190~240 | 180~240 | 20~25 |
| 100000 | 1000~1800 | 55.56~100 | 30~46 | 18~27.6 | 55.56~75.12 | 48~64.8 | 0.8-1 | 22~26 | QU120 | 450~600 | 30~38 | 17~20 | 135~180 | 150~220 | 180~240 | 25 |
| 150000 | 1800~2100 | 71.42~83.33 | 45~52 | 27.2~31.5 | 63.16~66.67 | 54~57 | 0.90~2.4 | 24~28 | QU120 | 600~736 | 39~41.5 | 19~24 | 160~200 | 190~240 | 200~240 | 20~25 |
Grab type ship unloader
