Graphical steam power system analysis and optimization method and device

Abstract

The invention discloses a diagrammatized steam power system analysis and optimization method and device. The method includes the following steps that process parameters of a first steam power system are collected under different working conditions; a first nonlinear mathematical model is established according to equipment composition and the process parameters of the first steam power system; simulation solution is conducted on the first nonlinear mathematical model, so that first simulation results of all devices and streams in the first steam power system are obtained; according to the first simulation results, steam generation and use data of all grades of steam boilers, steam turbines, turbines and temperature and pressure reducers in the first steam power system are obtained in a statistic mode, a load allocation diagram of the first steam power system is generated, and the load allocation diagram takes temperature as vertical coordinates and takes flow as horizontal coordinates; according to the load allocation diagram and the first simulation results, the running state and structural reasonability of the first steam power system are analyzed, composition of the first steam power system is improved according to the analysis result, and a second steam power system is obtained.

Description

technical field [0001] The present invention relates to the field of steam power, in particular to a diagrammatic steam power system analysis and optimization method and device. Background technique [0002] Steam power systems often account for a high proportion of energy consumption in general industrial enterprises. The energy efficiency of the steam power system is related to the operating cost of the entire plant. At present, the analysis and evaluation methods for the energy utilization status of steam power systems mainly include converting the comprehensive energy consumption of the system by using the energy consumption conversion factor, directly calculating the combined heat and power efficiency of the system, and so on. The advantage of these evaluation methods is that they can use index values ​​to evaluate the energy utilization of the system more clearly, but the problem is that it is difficult to reflect the impact of the system's own equipment configuration...

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Problems solved by technology

The advantage of these evaluation methods is that they can use index values ​​to evaluate the energy utilization of the system more clearly, but the problem is that it is difficult to reflect the impact of the system's own equipment configuration or production and operation needs.

For an actual steam power system or a new set of steam power system design, it is difficult to use index results such as comprehensive energy consumption or combined heat and power efficiency to judge its energy consumption

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