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Shutdown protection method for supercharged boiler

A booster boiler and shutdown protection technology, which is applied to steam boilers, steam boiler accessories, steam boiler components, etc., can solve problems such as booster boiler shutdown protection, and achieve safe and efficient protection, easy implementation, and simple operation Effect

Pending Publication Date: 2021-12-24
中国船舶重工集团公司第七0三研究所
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a kind of supercharged boiler shutdown protection method to solve the problem of supercharged boiler shutdown protection

Method used

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  • Shutdown protection method for supercharged boiler

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Embodiment Construction

[0023] The present invention is described in more detail below in conjunction with accompanying drawing example:

[0024] combine figure 1 , the technical solution adopted in the present invention is a method for shutdown protection of a pressurized boiler, the method comprising the following steps:

[0025] (1) According to the historical data of the air interlayer pressure of the pressurized boiler and the boiler water level, set the low alarm value of the boiler water level and the low alarm value of the air interlayer pressure.

[0026] (2) Obtain the corresponding monitoring signal through the sensor.

[0027] 1) Obtain the boiler water level value through the boiler water level monitoring sensor.

[0028] 2) Obtain the air interlayer pressure value through the air interlayer pressure monitoring sensor.

[0029] 3) Obtain the boiler flame monitoring signal through the boiler flame monitoring sensor.

[0030] 4) Obtain the turbocharger unit fault monitoring signal thro...

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Abstract

The invention aims to provide a shutdown protection method for a supercharged boiler. The method comprises the following steps of setting a boiler water level low alarm value and an air interlayer pressure low alarm value according to the air interlayer pressure and boiler water level historical data of the supercharged boiler; obtaining a boiler water level value, an air interlayer pressure value, a boiler flame monitoring signal and a turbocharging unit fault monitoring signal through a sensor; when a boiler water level sensor, an air interlayer pressure sensor, a boiler flame sensor and a turbocharging unit fault sensor monitor alarm values, giving out corresponding alarms; and when any alarm occurs, triggering a shutdown signal, and conducting shutdown protection on the boiler. According to the method, main factors influencing the safety of the supercharged boiler are fully considered, known information is fully utilized, and the supercharged boiler can be safely and efficiently protected.

Description

technical field [0001] The invention relates to a boiler control method, in particular to a boiler shutdown method. Background technique [0002] The supercharged boiler makes fuel mixed with air under higher pressure and has the characteristics of high combustion efficiency, high heat transfer intensity, small size, and light weight. It is usually used in conjunction with a steam turbine as an important energy device in industrial production. In order to ensure the safe and reliable operation of the booster boiler, it is very important to monitor and protect it in real time. Factors that affect the safety of booster boilers mainly include low boiler water level, low air interlayer pressure, boiler flameout and turbocharger unit failure. When any of the above situations occurs, it is easy to cause danger and cause safety accidents. Therefore, safe and effective protection methods should be adopted to protect the boiler to avoid production accidents. Contents of the invent...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F22B35/00F22B37/46
CPCF22B35/00F22B37/46
Inventor 贾韧锋马宇婷杨兆瀚周阳唐立志
Owner 中国船舶重工集团公司第七0三研究所
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