LX-A Series Screw Unloader
key word：Heat exchange element
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Product description
1. Introduction
1.1. Purpose
LX-A series screw unloader is an important coal unloading machine in coal yard of thermal power plant. This equipment is an improved type of LX series screw unloader, which is used to unload coal, sand, lime and other bulk materials from railway wagons. The machine is also suitable for metallurgy, mining, coal, building materials and other departments.
1.2. Model meaning
LX-****A
LX stands for screw unloader
****Representative bridge track span
A for improved
1.3. Structural characteristics and working principle
The machine moves longitudinally from the whole machine along the track in the coal unloading bunker. LX-A large-span screw unloader has a horizontally movable trolley, which can unload materials on parallel coal trucks at the same operating point. This series of unloader uses the large helix angle and large diameter two-way helix blade to rotate, unloads the material in the box to both sides, saves a lot of manpower and has high unloading efficiency. According to the user's requirements, the vehicle cleaning mechanism and water spray dedusting device can also be installed.
2. Main technical parameters
| Model | LX-6.7A | LX-8A | LX-13.5A | |
| Equipment operation mechanism | running speed (m/min) | 13.4 | 13.4 | 14.44 |
| 26.6 | 26.6 | 29.2 | ||
| Motor (KW) | YD132M-8/4 | YD132M-8/4 | YD160M-8/4 | |
| P=3/4.5 | P=3/4.5 | P=5/7.5 | ||
| Brake | YWZ-200/25 | YWZ-200/25 | YWZ-200/25 | |
| Wheel diameter（mm） | 350 | 350 | 500 | |
| Recommend rail（KG/M） | 24 | 24 | 38 | |
| bumper | A2 a | A2 a | A2 a | |
| gearbox | ZSC-500-Ⅰ-5/6 | ZSC-600-Ⅰ-5/6 | ZSC-600-Ⅰ | |
| i=59 | i=59 | i=77.5 | ||
| Max. Wheel pressure (KN) | 58 | 61 | 89 | |
| Spiral turning mechanism | Screw speed（r/min） | 100 | 100 | 100 |
| Motor (KW) | Y180M-4 P=18.5 | Y180M-4 P=18.5 | Y180M-4 P=18.5 | |
| gearbox | (Vertical) i=14.6 | (Vertical) i=14.6 | (Vertical) i=14.6 | |
| Screw parameter (mm) | D=900 L=2000 | D=900 L=2000 | D=900 L=2000 | |
| Z=3 | Z=3 | Z=3 | ||
| Spiral elevator structure | Elevating speed (m/min) | 7.84 | 7.84 | 9.8 |
| Motor（KW） | YZR160M1 double shafts P=5.5 | YZR160M1 double shafts P=7.5 | ||
| Gearbox | ZQ-500+150-Ⅸ-3(∮95) i=121.1 | ZQ-500+150-Ⅻ-3(∮95) i=65.54 | ||
| Maximum segregator | Brake | YWZ-200/25 | YWZ-200/25 | YWZ-200/25 |
| Weight (kg) | 3500 | 4500 | 3000 | |
| Dimensions (mm) | 6938×3020×1290 | 8238×3820×1290 | 13800×5472×1216 | |
| Type of power supply | 3 Phases, AC, 50HZ,380V,220V | |||
| Operating weight (t) | 17 | 19 | 23 | |
3. Equipment outline and structural dimension
LX-8A
LX-13.5A
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