LD vessel by RSP Engineering Shops to save in crores
Rourkela: The Engineering Shops collective of Rourkela
Steel Plant (RSP) has developed a 60 Tonne LD converter vessel of Steel Melting
Shop-I (SMS-I) and its associated Trunion ring using in-house expertise.
The LD vessel is a fabricated structure of
5 meter diameter and 7.5 meter height with three segments namely Bottom
Spherical with shoe, Middle Cylindrical and Top spherical with cone. All the
three segments of LD vessel except bottom were fabricated in the Structural
Shop separately and assembled together to form the LD vessel. Through effective
planning and implementation, the Shops collective succeeded in salvaging
a major portion of the new vessel from the old LD vessel.
The market cost of procurement of the portion
would have been around Rs. 50 lakh. The technology for developing such
a critical item was developed in-house and implemented effectively.
The welding procedures were chalked out and consumables were selected carefully
considering the critical nature of the job. The welding joints were
ultrasonically tested to ensure quality of welding.
The Trunion Ring which was fabricated by the
shops earlier is ready for assembly with the LD Shell and erection at SMS-I.
The cost of procuring a new LD vessel and a
Trunion ring from the market would have been nearly Rs. 5 crore apart from
the long waiting period resulting in opportunity cost.
Apart from saving crores of rupees for the company,
the Engineering Shops collective has also proved its competency, efficiency and
commitment towards its plant.
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