On-line analysing-monitoring system for heat-engine plant pipeline heat-efficiency

A monitoring system and thermal efficiency technology, applied in electrical digital data processing, special data processing applications, instruments, etc., can solve problems such as blanks, and achieve the effect of high calculation speed and accuracy, novel technical route, simple and fast heat loss

Inactive Publication Date: 2005-02-16
SHANGHAI UNIVERSITY OF ELECTRIC POWER
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

There are monitoring systems for steam turbines and boilers in the prior art,

Method used

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  • On-line analysing-monitoring system for heat-engine plant pipeline heat-efficiency
  • On-line analysing-monitoring system for heat-engine plant pipeline heat-efficiency
  • On-line analysing-monitoring system for heat-engine plant pipeline heat-efficiency

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Embodiment Construction

[0027] A best embodiment of the present invention, the on-line analysis and monitoring system for thermal efficiency of pipelines in thermal power plants consists of a hardware system and a software system. System operation process description:

[0028] On-site data acquisition system (DCS system, collecting physical parameters related to soda water parameters) --> stored in the DCS database server or a dedicated database server (raw data storage database) --> extracted by the model computing server through the ADO database engine (output Relevant data) --> carry out necessary conversion and intermediate calculation (conversion of measurable parameters and calculation parameters, necessary unit conversion) --> obtain input data required by the model (conversion of calculation parameters and its sequence) --> Substituting into the model for calculation and analysis (through (1) ~ (8) to calculate the heat loss of the pipeline and related thermal economic indicators, etc.) --> o...

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Abstract

The present invention is characterized by that a pipeline heat-efficiency on-line analysis and monitoring system is designed for steam power plant. Said system is mainly formed from data acquisition system, data base server, model operation server, and input/output equipment, and the steam power plant pipeline heat-efficiency counterbalance heat-efficiency calculation formula can e used in said system, so that its pipeline heat-efficiency and thermal less distribution can be calculated, and its analytical report or characteristic curve can be displayed on the information screen and customer's machine. Said system can implement on-line mointoring of working state of main pipeline system of steam power plant.

Description

technical field [0001] The invention belongs to the technical field of thermal power generation systems in thermal energy engineering, and relates to an online analysis and monitoring system for the thermal efficiency of pipelines in large thermal power plants. Background technique [0002] At present, there is still a large gap between the average coal consumption rate of thermal power units in my country and foreign advanced levels, about 60-70g standard coal / (kW·h), so there is a huge potential for energy saving. Taking a 1200MW thermal power plant (2×600MW units) as an example, it needs to consume nearly 10,000 tons of raw coal per day. Based on the annual average operating time of the unit of about 7000h, if the power supply standard coal consumption rate of the plant is reduced by 1g standard coal / (kW·h), It can save 8,400 tons of standard coal throughout the year. Calculated at the same year-on-year price, only fuel costs can save more than 4 million yuan per year; at...

Claims

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Application Information

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IPC IPC(8): G06F17/00
Inventor 石奇光徐非
Owner SHANGHAI UNIVERSITY OF ELECTRIC POWER
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