LX Series Bridge type Screw Unloader
key word：Heat exchange element
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Product description
LX series bridge type screw unloader
1. Introduction
1.1. Purpose
LX series bridge type screw unloader is an important coal unloading machine in the coal yard of thermal power plant, which is used to unload the coal on the side open flat car of the railway. The machine is also suitable for loading and unloading other bulk materials in metallurgy, mines, stations and docks.
1.2. Model meaning
LX****
LX stands for screw unloader
****Representative bridge track span (m)
1.3. Structural characteristics
The whole machine can travel longitudinally along the track in the coal unloading bunker. Lx-13.5 large-span screw unloading machine has a horizontally movable trolley which can be installed on the trolley. The screw head of the trolley can unload the materials on the parallel double track train at the same operation point.
1.4. Working principle
The bridge type screw unloader uses two-way screw blades with large helix angle and diameter to rotate, and unloads the materials in the box to both sides, saving manpower and unloading efficiency.
1.5. Product series
There are three models of LX-6.7, LX-8, LX-13.5.
2. Main technical parameters
| Model | LX-6.7 | LX-8 | 1.X-13.5 | |
| Span m | 6.7 | 8 | 13.5 | |
| Crane running speed | m/min | 13.98/27.96 | 13.98/27.95 | 14.44/29.2 |
| Trolley running spped | m/min | 13.3 | ||
| Screw lifting speed | m/min | 7.63 | 7.63 | 9.8 |
| Screw speed | r/min | 100 | 100 | 100 |
| Crane two speed motor | YD132M-8/4 | YD160M-8/4 | YD160M-8/4 | |
| N=3/4.5KW | N=5/7.5KW | N=5/7.5KW | ||
| Wheel diameter | mm | 400 | 400 | 400 |
| Max. wheel force | KN | 58 | 62 | 90 |
| Screw parameter | mm | D=900 (Z=3) | D=900 (Z=3) | D=900 (Z=3) |
| L=2000 | L=2000 | L=2000 | ||
| Unloading capacity | t/h | 400 | ||
| Discharge particle size | mm | 0～300 | ||
| material | bituminous coal, anthracite, blast furnace ash, limestone, etc | |||
3. Equipment outline and structural dimension
LX-6.7
LX-13.5
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