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Locomotive sanding station
Receiving, storing and pneumatically delivering dry sand into locomotive sandboxes at the service point's sanding position, with dispensing columns on both sides of the track.
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Equipment
Description
The station replenishes locomotive sandboxes with dry, conditioned sand during the stop at the service point. It receives sand from road vehicles or from the sand drying room, keeps a reserve in the storage silo and delivers it through pipelines to the dispensing points at the sanding position.
From the silo, sand enters a pressure-vessel feeder and is conveyed by compressed air through the pipeline to the dispensing columns. Each column carries a flexible hose with a nozzle and a lever-operated shut-off: the fitter inserts the nozzle into the sandbox filler and opens the flow; once the box is full, the flow is cut off automatically. Conveying air is separated from the sand in a cyclone with a bag filter, so there is no dust at the position.
In the base configuration the station serves one sanding position with four dispensing points; the number of columns and the pipeline route are set by the project. Optional additions include a sand drying unit, a raw sand receiving hopper with a vibrating screen, weight-based stock monitoring and sand level telemetry to the site control room.
Features
Design features
- Pneumatic delivery — A pressure-vessel feeder and an 80 mm pipeline move sand over distances of up to 60 m with no screws or conveyors.
- No dust at the position — A cyclone with a bag filter separates the conveying air, and the recovered sand is returned to the silo.
- All-season operation — Feeder heating and a pipeline purge after every cycle prevent sand from caking at sub-zero temperatures.
- Stock monitoring — Level sensors in the silo and a dispensed-sand counter report to the control cabinet and to the control room.
- Flexible layout — The silo can stand on a gantry, against the building wall or in an open yard; the pipeline is routed along existing supports.
Specifications
Technical specifications
| Parameter | Value |
|---|---|
| Storage silo capacity | 30 m³ (20–60 m³ per project) |
| Dispensing rate | up to 0.2 m³/min |
| Number of dispensing points | 4–8 |
| Dispensing hose length | 6 m |
| Conveying pipeline diameter | 80 mm |
| Conveying distance | up to 60 m |
| Compressed air pressure | 0.5–0.7 MPa |
| Compressed air consumption | up to 6 m³/min |
| Sand grain size | 0.2–2 mm |
| Installed power (without dryer) | 5.5 kW |
| Power supply | 3×380 V, 50 Hz |
| Silo weight, empty | 4.2 t |
| Operating temperature | −30…+40 °C |
Silo volume, number of columns and pipeline route are calculated from the sanding program and the site layout.
Section
Other equipment in this section
Request a commercial proposal and lead time
Send us your technical assignment or specify the rolling stock series — we will prepare a quotation within one business day.