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Environment friendly Pipe Conveyors from Macmet

Macmet is the leading supplier of Pipe Conveyors in India. Macmet was the first to supply an indigenously designed pipe conveyor for ACC Limited. Macmet has also supplied India's longest (2.4 km) EP belting pipe conveyor for ACC Ltd's Chaibasa Unit. India has recently commissioned the world's second longest pipe conveyor (7 km) carrying 1500 tons of coal per hour from mines to O. P. Jindal Super Thermal Power Plant.

Pipe conveyors are an environmental friendly solution for conveying bulk material with zero spillage and ability to cover terrain difficult to negotiate by conventional conveyors.

Pipe Conveyors offers following advantages over conventional conveyors:

Unlimited capability for direct transfer of materials between two points which is not possible with conventional means.
Enclosed, clean and environment friendly transportation eliminating all spillage, scattering and return dropping of materials.
Elimination of transfer points and non-exposure to atmosphere results in retention of material properties while conveying.
Curvature possible in both horizontal and vertical planes associated with steeper angle of inclination.
Possibility of transporting second material through the return side pipe of the system, thereby reducing capital and operating cost.
Overall savings in space requirement, structural and foundation cost, thereby making the investment decisions easier.
Even a horizontal angle of 90 degree possible with the current technology.

The tail end, material receiving area and discharge area of the pipe conveyor is similar to that of a conventional belt conveyor. The flat belt after the tail pulley is slowly shaped to trough belt through 10 & 20 degree transition and 30 degree carrying idlers. At the end of loading zone, the process of pipe formation is gradually achieved sequentially in steps from the trough shape with 45 degree idlers, variable off set rollers, finger rollers and pipe forming idlers.

In the straight portion of a pipe conveyor the bottom three rollers at the carrying side support the belt and material load whereas the top three rollers maintain the belt in its pipe shape. At the horizontal and vertical curved sections, the other rollers of the pipe forming idlers surrounding the belt, support the load depending on the direction of the resultant force. The same applies to the bottom or return belt side of the pipe conveyor.

Macmet has supplied several pipe conveyor systems to various customers in India.

Macmet Customers
ACC Ltd. (Madukkarai)	Carrying Coal
ACC Ltd. (Chaibasa)	Carrying Limestone
ACC Ltd. (Gagal)	Carrying Flyash
Jindal Vijayanagar Steel (Bellary)	Carrying Iron Ore Conc.
Acc Ltd. (Sindhri)	Carrying Cement
Jindal Vijayanagar Steel (Bellary)	Carrying Sinter
Jindal Power (Raigarh)	Carrying Coal
TISCO (Jamshedpur)	Carrying BF Dust
TAIM-WESER Vale (Peru)	Carrying Phosphate
Jindal Steel & Power (Angul)	Carrying Coal
Bridgestone Taiheiyo (Japan)	Carrying Limestone

ACC's Chaibasa Unit was supplied India's longest EP belting pipe conveyor, covering a distance of 2.4 km from mines to plant and partly laid out on the existing railway tracks. It conveys 1000 Tons of Limestone per hour.

The world's second longest pipe conveyor transporting 1500 tons of coal per hour with a pipe dia of 500 mm has been supplied to Jindal Steel and Power Ltd.. The conveyor covers a distance of 7 km Pipe Conveyor supplying coal to O. P. Jindal Super Thermal Power Plant (4 x 250 MW) in Chhattisgarh. The pipe belt is made from the highest rated steelcord belting - ST1800 (worldwide pipe conveyor belt generally have a maximum rating of ST 1250). Environmentally friendly, the conveyor traverses four villages, one river and acres of agricultural land without any spillage or pollution of the countryside.

Macmet is today executing a 5 km single pipe conveyor for Jindal Power and Steel Limited (Angul). This conveyor will transport 1500 T of crushed coal from mines to plant.