Spiral conveyors hold sludge on the transfer in Egypt

At what’s now the world’s largest water therapy plant, engineering agency SPIRAC has equipped 2km (1.24 miles) of shaftless spiral conveyors for transferring sludge to and from the sludge drying areas.

The $739M (£609M), 5.6 million m3/day Bahr El-Baqar plant – in Sinai, Egypt – will profit from 32 inclined SPIROLIFT® (OK) conveyors for dried sludge, plus an additional 32 inclined SPIROLINE® (U) conveyors for moist sludge.

Dealing with 490,000 ton/12 months of dry sludge (at drying stage 24%) and 165,000 ton/12 months of dry sludge (at drying stage 75%), the shaftless SPIRAC conveyors provide considerably much less put on and much-reduced vitality utilization in comparison with shafted spirals.

SPIROLIFT® vertical conveyors function an octagonal trough and liner with breaks included. These present a key resistance level, which helps to forestall slippery supplies from forming a rotating plug. Its progressive design encourages the fabric to maneuver vertically with the spiral face.

In the meantime, the SPIROLINE® horizontal conveyors from SPIRAC at Bahr El-Baqar function a U-trough with a low RPM shaftless spiral using on a particular low friction lengthy life trough liner.

Aimed toward creating the Sinai Peninsula to maximise its pure assets, Bahr El-Baqar (a three way partnership between Arab Contractors (Arabco) and Orascom Development) will contribute to the reclamation of 400,000 feddans (roughly 415,000 acres) by recycling and utilizing agricultural, industrial and sewage wastewater. This shall be diverted from the western to the jap financial institution below the Suez Canal. Upon therapy, all water shall be disbursed in Sheikh Jaber’s Canal. Bahr El-Baqar will present much-needed water to irrigate greater than 168,000 hectares of plantations in Sinai.

Within the first section of sludge assortment, sedimentary solids are transferred from sedimentation tanks to sludge thickening tanks.

For sludge thickening (the second section), the sludge strikes to stabilization and thickening to acquire a thicker sludge. That is adopted by dewatering and a mechanical drying section to have a better dry charge of as much as 24%. 32 inclined SPIROLINE (U conveyors) transport the sludge to the sludge drying beds at a complete size of about one kilometre.

Within the third and remaining section (photo voltaic drying), dry sludge at a drying stage of 75% is conveyed by 32 SPIROLIFT (OK) conveyors from the photo voltaic drying beds with a complete of roughly one kilometre. These biosolids have a number of makes use of, together with fertilizer for agricultural use and development functions.


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