Turbomachinery for Nitric Acid Production
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NAMAXTurbomachinery for nitric acid production Benefits at a glance – Modular train package for plant sizes from 400 to > 3,000 mtpd – Notable low CAPEX and OPEX – Unique robustness – Remarkable small footprint – Easy transportation and commissioning turbomachinery The new modular nitric acid train package Technical data Plant size (mtpd) Package L [mm] Package W [mm] 400 15,600 4,500 500 15,800 4,500 750 16,200 4,500 1,000 16,600 4,500 1,250 17,100 4,500 1,500 17,600 4,500 1,750 18,100 5,000 2,000 18,600 5,000 L W 2,250 19,100 5,000 2,500 19,700 5,000 2,750 20,300 5,000 3,000 20,900 5,500 3,250 21,500 5,500 Steam turbine NOx gas compressor Axial air compressor Tail gas expander – Modular system – Fixed casing concept – Fixed casing concept – Fixed casing concept – Reduced in axial length – Optimized shaft – Increased speed – Reduced in size – Improved steam sealing design – Reduced in size and weight and weight consumption – Surge robust Train package Common train rotor speed Base frame configurations Various testing alternatives – Smaller footprint – No intermediate gearbox required – 4x single base frame – No shop test – Reduced overall – Modular train configurations – 2x double base frames1) – Mechanical running test train package weight – 1x single lift for small units1) (under vacuum conditions)1) – Performance test1) Design features General NAMAX train package Steam turbine Nitric acid is a feedstock for the pro- – Designed for nitric acid production – Compact design with integrated duction of fertilizers, pharmaceuticals, from 400 to more than 3,000 mtpd bearing housing and pendulum mining explosives and various support plastics. The demand for these – Significant smaller footprint – Inlet modul with single control valve commodities is expanding rapidly - base frame area minus 35% – Improved steam consumption with the increasing urbanization and affluence of a growing world – Lower operating cost population. - Increased core machine Axial air compressor efficiencies The dual pressure process is the - Lower oil consumption (no – Fixed casing concept leading and efficient technology for intermediate gearbox, smaller – MAX1 technology processing ammonia to nitric acid. bearings) – Unique surge robustness – Increased power density reducing MAN Energy Solutions (former GHH) – Lower maintenance cost machine size and weight has gained distinguished experience, - No gearbox maintenance significantly since building and commissioning - Highest robustness of axial – Improved rotordynamics the first reference in 1963. compressor blading – High efficiency – Large operating range For over 50 years, our engineers – Easier assembly, transport, have continuously improved the nitric erection and commissioning acid train technology and advanced - Noticeably reduced overall train NOx gas compressor MAN Energy Solutions to the leading package weight supplier for the dual pressure - Assembly and testing of core – Fixed casing concept process: machines on single base frames – Optimized shaft sealing design – More than 500 turbomachinery - Packaging of single turbo units – Minimized consumption of casings and shipping to site in separate external plant air – Installed in about 180 nitric acid and easy to handle packages plants worldwide – And in the worldʼs largest – Various base frame configurations Tail gas expander 2,000 mtpd plant in Porsgrunn, - Four single base frames as basic Norway configuration, 2 x double base – Fixed casing concept frames1) or one single base – Reduced in size and weight MAN Energy Solutions has intro- frame1) – Optimized casing design duced a new comprehensively optimised, turbomachinery concept – Various testing options named NAMAX that provides an - No shop test Installation and commissioning advanced level of flexibility and - Mechanical running test for efficiency for nitric acid production. single core machines – Train arrangement follows 1) (under vacuum conditions) commissioning schedule: - Performance test of single core - Steam turbine → air compressor → 1) machines or compressor train NOx compressor → expander - Reduction of commissioning – Faster delivery time costs - Highly standardized train moduls – Controller tailored to the nitric acid - Modular concept: process basic configuration with – MAN’s digital CEON platform pre-engineered options supports operating personal throughout the entire NAMAX train lifetime 1) pre-engineered option MAN Energy Solutions 86224 Augsburg, Germany P + 49 821 322-0 F + 49 821 322-3382 [email protected] www.man-es.com MAN Energy Solutions Steinbrinkstr. 1 46145 Oberhausen, Germany P + 49 208 692-2348 F + 49 208 692-021 [email protected] www.man-es.com All data provided in this document is non-binding. This data serves informational purposes only and is not guaranteed in any way. Depending on the subsequent specific indivdual projects, the relevant data may be subject to changes and will be assessed and determined individually for each project. This will depend on the particular characteristics of each individual project, especially specific site and operational conditions. Copyright © MAN Energy Solutions. D02085025EN Printed in Germany 09190.5.