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Boiler water wall ash pollution monitoring system

A monitoring system and water-cooled wall technology, applied in the field of intelligent control system of combustion equipment, can solve the problems of improper soot blowing cycle, excessive soot blowing, insufficient soot blowing of soot blowing system, etc., so as to reduce the risk of damage and reduce the thermal power of pipe wall. Even quantity, the effect that is conducive to large-scale promotion and use

Pending Publication Date: 2020-09-11
SHANGHAI BOILER WORKS
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AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is: insufficient soot blowing, excessive soot blowing and improper soot blowing cycle are prone to occur during the operation of the soot blowing system

Method used

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  • Boiler water wall ash pollution monitoring system
  • Boiler water wall ash pollution monitoring system
  • Boiler water wall ash pollution monitoring system

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Embodiment Construction

[0026] Below in conjunction with specific embodiment, further illustrate the present invention. It should be understood that these examples are only used to illustrate the present invention and are not intended to limit the scope of the present invention. In addition, it should be understood that after reading the teachings of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims of the present application.

[0027] Such as figure 1 and figure 2 As shown, the embodiment of the present invention provides a disclosed boiler water wall ash monitoring system including 9 sootblowers a-1-c-3 on the boiler water wall 1, 9 fin thermocouples 3, and 2 wall warmers Galvanic couple 2. Each sootblower corresponds to a fin thermocouple 3, and the fin thermocouple 3 is arranged next to the corresponding sootblower near the center line of the f...

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Abstract

The invention provides a boiler water wall ash pollution monitoring system. N soot blowers are arranged on a boiler water wall, N is larger than or equal to 1, the N soot blowers are located at M different heights, M is larger than or equal to 1, n soot blowers are arranged at each height, and n is larger than or equal to 1 and smaller than or equal to N. The monitoring system is characterized bycomprising J fin thermocouples, K pipe wall thermocouples, a temperature data collector and a data processing platform. The fin thermocouples are arranged near the soot blowers, on one hand, the number of the required fin thermocouples is small, and on the other hand, once it is monitored that the pollution rate of the water wall area where the thermocouples are located is high, the soot blowers near the thermocouples can conduct soot blowing operation under control, the heating surface is kept clean, and the soot blowing effect is monitored.

Description

technical field [0001] The invention relates to the technical field of intelligent control systems for combustion equipment, in particular to a dust monitoring system for boiler water walls. Background technique [0002] The boiler is the key equipment for the operation of the power station. During the operation of the coal-fired boiler, a large amount of ash, a by-product of coal combustion in the furnace, will be produced, which inevitably causes varying degrees of ash on the heating surface. Soot blowing is an effective means to remove dust and keep the boiler heating surface clean. The soot blower uses a certain soot blowing medium (water, steam, sound wave, etc.) to blow the heating surface, remove the dirt on the surface, and restore the surface to a clean state. The soot blowing system is an important means to improve the unit availability and ensure the safe and economical operation of the unit. [0003] At present, the soot blowing operation of large-scale power p...

Claims

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Application Information

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IPC IPC(8): G01N25/72G01K7/02G01K1/14
CPCG01K1/143G01K7/02G01N25/72
Inventor 邹洋张翔闫凯乌晓江
Owner SHANGHAI BOILER WORKS
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