Real-time monitoring method for thermal efficiency and gas characteristics of gas boiler

A technology for boiler thermal efficiency and gas characteristics, applied in the testing of machine/structural components, measuring devices, fuel oil testing, etc., can solve the problems of sampling representativeness, sampling error, result distortion, and regular laboratory data that cannot truly reflect the characteristics of real-time furnace gas And other issues

Active Publication Date: 2014-01-22
HUATIAN ENG & TECH CORP MCC
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Problems solved by technology

Since the characteristics of the gas inevitably fluctuate within a certain range, and there are problems such as sampling representativeness and sampling errors in sampling analysis, the use of regular tes...

Method used

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  • Real-time monitoring method for thermal efficiency and gas characteristics of gas boiler
  • Real-time monitoring method for thermal efficiency and gas characteristics of gas boiler
  • Real-time monitoring method for thermal efficiency and gas characteristics of gas boiler

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Embodiment Construction

[0080] The present invention will be further described below in conjunction with the accompanying drawings.

[0081] like figure 1 and figure 2 As shown, a method for real-time monitoring of thermal efficiency and gas characteristics of a gas boiler described in the embodiment of the present invention, the method includes the following steps:

[0082] (1) Set an assumed gas boiler thermal efficiency η b,jd (%);

[0083] (2) Collect the operating data of the boiler in real time, and use the real-time data to obtain the boiler's effective utilization of heat Q 1 (kJ / h);

[0084] (3) According to the results of step (1) and step (2), the boiler input heat Q is obtained r (kJ / m 3 ):

[0085] Q r = k Q 1 B g η b , jd ...

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Abstract

The invention discloses a real-time monitoring method for the thermal efficiency and gas characteristics of a gas boiler. According to the method, basic gas characteristics are amended through real-time operating data of the boiler, so that real-time gas characteristics are obtained and applied to the calculation of the thermal efficiency of the gas boiler, and the real-time on-line monitoring of the thermal efficiency and the gas characteristics of the boiler is realized. The real-time monitoring method overcomes adverse effects caused by fluctuation of the gas characteristics on the calculation of the thermal efficiency of the boiler and is more accurate than a traditional method in which the thermal efficiency of the boiler is calculated by testing the gas characteristics regularly; an expensive on-line analyzer is not required to be additionally added on site, and the real-time monitoring method can be realized by fully utilizing existing conditions of a power plant and has good implementability and operability; and boiler operators can be guided by results in real time for optimization and adjustment, the economic operation of the boiler is facilitated, and the purpose of energy conservation and consumption reduction can be achieved.

Description

technical field [0001] The invention relates to the technical field of performance monitoring of gas generator sets in the iron and steel industry, in particular to a real-time monitoring method for the thermal efficiency and gas characteristics of a gas boiler. Background technique [0002] Iron and steel enterprises produce a large amount of by-product gas during the smelting process. As the main user of gas resource recovery and utilization, gas boiler units have been widely used in iron and steel enterprises. [0003] With the active development of energy saving and consumption reduction work in iron and steel enterprises, the economical operation of gas boilers has been paid more and more attention. On-line calculation of gas boiler thermal efficiency and real-time monitoring of boiler operating economy have become common concerns of relevant technical personnel and have important practical significance. [0004] Accurate calculation of the real-time efficiency of gas ...

Claims

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Application Information

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IPC IPC(8): G01M99/00G01N33/22
Inventor 江文豪姚群
Owner HUATIAN ENG & TECH CORP MCC
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