Page 117 - Industrial Plants

Boldrocchi Project for Dangote

Refinery in Nigeria

In 2016 Boldrocchi Group has been awarded by GE Oil & Gas an Order for the
supply of eight Diverter Damper Systems for GE Fr 6 gas turbines, due to be
installed in Dangote Refinery, Nigeria

espite their apparent simplicity, the consolidated over decades
importance of Dampers become clear of experience in the sector.
when they fail in operation. As This project reaffirms the
evidenced by experience, Users often strength of Boldrocchi
take dampers for granted, therefore products. In particular the
Dcontracting inexperienced Companies zero leakage sealing
to supply inexpensive dampers: this often lead to technology and the actuator
operation failures, unplanned shutdowns and production systems have been tested in
losses. It highlights that there is no replacement for Boldrocchi Labs with a
specific experience. back-pressure which
exceeded 3x the customer
Boldrocchi Group offers a wide range of dampers, requested specification.
including on/off, modulating and zero leakage type: Consequently the wear of elastic parts could be reducted
• Heavy duty dampers and operational life extended.
• Guillotine dampers In order to test for proper functioning of individual
• Diverter dampers components and to ensure prompt on-site erection, all
• By-pass dampers units are fully assembled and tested in the presence of
• Stack dampers customer inspectors at Boldrocchi’s new testing facility
• Gas distributors in compliance with strict product control procedures
• Multi-louvre dampers and standards.
The opportunity to use Company’s owned manufacturing
Our team uses mechanical design & computational fluid and testing facilities is a great point of strength in
dynamic (CFD) studies to highlight the internal flow developing demanding Projects.
distribution & minimize vortex/vibration stress. Noise From the early stages of conceptual design attention
impact studies are also carried-out in relation to internal has been paid to the optimization of transport and the
and external noise sources. reduction of assembly work on-site.
We tailor-make dampers of any size (over 7m x 7m (23’ For this reason, all components are designed with a
x 23’)), any shape (square, rectangular, round, etc.), with high degree of prefabrication. As shipment of
different actuation systems (manual, electrical, hydraulic exceptionally large items, such as some heavy duty
or pneumatic) & for any amount of gas tightness or flow dampers, via road is troublesome due to the need of
required. transit permits, the products are disassembled after
functional testing into key components and reassembled
on site under our supervision, with minimal impact on
The Dangote Project resources and time spent before actual shipping.
The scope of supply comprises eight electrically Boldrocchi, with over 100 years of experience, has
operated diverter damper systems each fitted with a successfully executed more than 88.000 worldwide
guillotine and sealing-air fan skid. projects. The Group is manufacturing in accordance
The system is entirely designed in Boldrocchi’s Italian with Project-specific and International Standards full
headquarter (located in Biassono near Milan), fully dedication to Quality in Engineering, manufacture and
respecting all the Customer’s specifications and Project Management.
leveraging on Group’s capability in combining All these aspects have allowed Boldrocchi to build a
customization level with the high technology content, strong and reliable relationship with its customers.

IndustrIal Plants - May 2017
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