tailieunhanh - Ebook Rules of thumb for chanical engineers (3E): Part 2

(BQ) Part 2 book "Rules of thumb for chanical engineers" has contents: Process evaluation, reliability, troubleshooting, energy conservation, process modeling using, linear programming, approximate conversion factors,. And other contents. | S E C T I O N T H R E E Plant Design 16 Process Evaluation . . . Introduction Study Definition Process Definition Battery Limits Specifications Offsite Specifications 213 213 215 222 226 . Capital Investments Operating Costs Economics Financing 21 2 230 237 240 244 Process Evaluation 213 Introduction One of the most important activities within a company is project screening. One losing venture can negate the gain of several winners. Therefore, the project evaluators must be careful to obtain the best and most complete information possible so that the economics will accurately model the future -‘real world” situation. Possible model inaccuracies must be covered by risk analysis. This work is difficult and demanding. but the people who engage in it can take credit for helping to keep the company’s ”bottom line” intact and the nation’s economy healthy. In this business. the bottom line is the real world. Study Definition In problem solving and process studies. the front-end work is important. Propsr definition and direction developed at the beginning will assure meeting corporate goals in a timely fashion. This section establishes the type of study example to be used for illustrating principles and philosophy. and presents the basic items necessary to begin such a study. Presentation and Evaluation Aspects Discussions in this section center around studies involving a proposed new plant or major addition to an existing plant. Practical applications address .