ASME EA-4 Energy Assessment for Compressed Air Systems
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- Картотека зарубежных и международных стандартов
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ASME International
Energy Assessment for Compressed Air Systems
N EA-4
Annotation
This Standard covers compressed air systems, which are defined as a group of subsystems comprised of integrated sets of components, including air compressors, treatment equipment, controls, piping, pneumatic tools, pneumatically powered machinery, and process applications utilizing compressed air. The objective is consistent, reliable, and efficient delivery of energy to manufacturing equipment and processes.
The compressed air system can be considered as three functional subsystems.
supply: conversion of primary energy resource to compressed air energy. The supply subsystem includes generation, treatment, primary storage, piping, controls, performance measurement equipment, and reporting systems.
transmission: movement of compressed air energy from where it is generated to where it is used. The transmission subsystem includes distribution piping mainline and branch headers, piping drops, secondary storage, treatment, transmission controls, performance measurement equipment, and reporting systems.
demand: the total of all compressed air consumers, including productive end use applications and various forms of compressed air waste. The demand subsystem includes all end uses, point-of-use piping, secondary storage, treatment, point-of-use controls, performance measurement equipment, and reporting systems.
This Standard sets requirements for conducting and reporting the results of a compressed air system energy assessment (hereafter referenced as an "assessment") that considers the entire system, from energy inputs to the work performed as the result of these inputs. An assessment complying with this Standard does not need to address each individual system component or subsystem within an industrial facility with equal weight; however, it must be sufficiently comprehensive to identify the major energy efficiency opportunities for improving the overall energy performance of the system. This Standard is designed to be applied primarily at industrial facilities, but many of the concepts can be used in other facilities, such as those in the institutional and commercial sectors.
