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Power station boiler ash online balance analysis system

An analysis system, a technology for power station boilers, applied in electrical program control, comprehensive factory control, measurement devices, etc., can solve the problem of inability to realize real-time measurement of ash and slag discharge at the bottom of the boiler, and achieve improved service life, reduced heat transfer, and convenience. The effect of online maintenance

Pending Publication Date: 2018-07-31
BEIJING YUANSHEN ENERGY SAVING TECH
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  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention provides an online balance analysis system for power plant boiler ash and slag to solve the problem that the existing dry slag discharge system cannot realize real-time measurement of the ash and slag discharge at the bottom of the boiler

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  • Power station boiler ash online balance analysis system
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Embodiment Construction

[0034] In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the present invention will now be described with reference to the accompanying drawings.

[0035] Such as figure 1 and figure 2 Shown, the utility boiler ash slag online balance analysis system of the present invention comprises:

[0036] Boiler slag well 1 has a slag well lower drop opening 10 at the bottom for slag discharge;

[0037] Dry slag conveyor 2, used for conveying ash;

[0038] Slag breaker 3, crushing large pieces of bottom slag;

[0039] Ash weighing machine 4, weighs ash;

[0040] The slag bin 5 stores ash and slag and has a slag bin platform 50;

[0041] DCS, that is, a decentralized control system, can realize functions such as real-time data display, statistics, analysis, early warning, and control;

[0042] Wherein, the slag crusher 3 is connected to the dry slag conveyor 2, and the dry slag conveyor 2 is connected to the boiler sl...

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Abstract

The invention provides a power station boiler ash online balance analysis system. The power station boiler ash online balance analysis system comprises a boiler slag well, a dry slag conveyor, a slagcrusher, an ash weighing machine, a slag warehouse and a DCS which is a distributed control system. The slag crusher is connected to the dry slag conveyor. The dry slag conveyor is connected to the boiler slag well. The ash weighing machine comprises a metal chain plate scale, a shell surrounding the metal chain plate scale, and a weighing sensor arranged on the outer side wall of the shell. The shell seals the metal chain plate scale. The weighing sensor is connected to the DCS in a signal connection mode. The DCS is connected to the dry slag conveyor in the signal connection mode. In the invention, the intelligence and the informatization of the measurement of a boiler slag discharge system are realized and real-time continuous measurement of a boiler ash discharge amount in a power industry is realized for the first time.

Description

technical field [0001] The invention relates to the field of thermal power generation, in particular to the discharge of boiler ash and slag in the electric power industry, that is, an online balance analysis system for power plant boiler ash and slag. Background technique [0002] The solid products after pulverized coal is burned in the boilers of large-scale thermal power plants are divided into two categories: fly ash and slag. In order to clean up the solid products in time, ash conveying system and slag discharge system are designed. The slag discharge system is divided into conventional hydraulic slag discharge system The air-cooled dry slag discharge system has been developed rapidly in the past 30 years. Compared with the conventional hydraulic slag discharge system technology, the air-cooled dry slag discharge system has the advantages of water saving, heat loss recovery, energy saving and environmental protection, and reduced maintenance funds. Slag system. At t...

Claims

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Application Information

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IPC IPC(8): G05B19/418G01G19/00
CPCG05B19/418G01G19/00Y02P90/02
Inventor 郭强金生祥隋晓峰李染生李前宇郭养富毛永清范晓英侯建军刘贵喜孟德众陈虎亮孙丽德刘峰张拢刚张驰吉力特
Owner BEIJING YUANSHEN ENERGY SAVING TECH