Commodity: Fertiliser; Contract Type: Design Review & Recommendations

DemcoTECH’s upgrade to Steinweg Bridge’s storage and distribution facility in Durban, South Africa, comprised a full design review and plant assessment study. Based upon these recommendations, DemcoTECH completed the supervision and implementation of these upgrades. The upgrade included new ceramic-lined pulleys, reclaim gates and chutes, spillage improvements and crusher refurbishment. A complete corrosion protection refurbishment was also included. Read more …

Commodity: Clinker; Contract Type: Lumpsum Turnkey

DemcoTECH Engineering, working in joint venture with Kantey & Templer Consulting Engineers, established a new 50,000 t clinker silo feed and discharge system at NPC Cimpor’s Simuma Plant in KwaZulu-Natal, South Africa. Designed to handle hot clinker up to 100 ºC, the silo features a clinker system that can be diverted to service either the existing or the new silo. The project covered the installation of a silo feed Aumund pan conveyor and two DemcoTECH-designed reclaim belt conveyors. Read more …

Commodity: Fly Ash; Contract Type: Design, Supply, Erect & Commission

DemcoTECH supplied fly ash silo incorporating an ash feed and discharge system for NPC in KwaZulu-Natal, South Africa. The new 1,000 t silo, with a variable extraction rate of  – 20 tph, is a fully enclosed welded steel structure. The silo reclaim conveyor is automatically operated and feeds onto the existing conveyor system. The automatic pre-selected feed system consists of a surge bin with a variable speed rotary proportioning valve. A dust extraction filter system is also included. Read more …

Commodity: Limestone; Contract Type: Design, Engineering & Supply, Erection & Commissioning

DemcoTECH delivered a feed and discharge materials handling system for the newly installed Loesche Mill Plant at Idwala Carbonates in Port Shepstone in KwaZulu-Natal, South Africa. As a brownfields project, it presented a number of difficulties associated with designing and erecting the systems around the existing plant without interrupting plant operations. In particular, integrating the new plant with the existing plant resulted in challenging design and plant interface issues. Read more …

Commodity: Limestone; Contract Type: Turnkey

DemcoTECH, in joint venture with Kantey & Templar, carried out the design and engineering of the plant for Idwala Carbonates in KwaZulu-Natal, South Africa as a turnkey project. The project is now in the execution stage with the joint venture responsible for contractor managing appointments, supervision of erection and commissioning and optimisation of the plant. The washing technology was imported from Germany, while, for sorting, a RED Wave sorter, has been used. The new plant is required to be integrated into the existing plant. Read more …

Commodity: Cement; Contract Type: Concept Study

DemcoTECH Engineering, together with Kantey & Templer, was appointed by NPC-CIMPOR to complete a concept study for the New Limestone Handling and Processing Project at its Durban Works.  This concept study included all the civil, structural, mechanical, electrical and control disciplines associated with this expansion. The concept study provided a completely integrated plant, capable of achieving the plant’s operational requirements to store 10,000 tons of additional clinker, as well as storing and reclaiming limestone and pressed clinker in the existing silos. Read more …

Commodity: Cement; Contract Type:  Design through to Commission

DemcoTECH supplied, in conjunction with Claudius Peters, a 150 tph pneumatic transport system to convey cement from the kiln to multiple storage silos at Nova Cimangola’s new milling plant in Luanda. The system has a conveying distance of 300 m and had to be designed to follow a tortuous route to fit into the existing plant and include a number of discharge points into the multiple silos.  DemcoTECH also provided four travelling maintenance trolleys for the pipe conveyor. Read more …

Commodity: Cement, Clinker, Coal; Contract Type: Design & Engineer

DemcoTECH supplied a 4.4 km-long two-way troughed conveyor for Thalofa Cement’s new plant in Vietnam. The troughed overland conveyor imports coal and clinker at 900 tph and exports powder cement in bulk or 50 kg bags at 300 tph. With two loading points and two discharge points, the belt travel direction is always one-way, with the top and bottom strand of the conveyor transporting product. Read more …