Control device for water-coal-slurry burner

Abstract

The invention relates to a control device for a water-coal-slurry burner. The control device comprises a slurry conveying pump rotating-speed control module, an air output baffle plate control module and an air input baffle plate opening control module, wherein the outside of the slurry conveying pump rotating-speed control module is connected with a heat medium temperature sensor, a slurry amount sensor and an oxygen amount collector I respectively; the outside of the air output baffle plate control module is connected with a deviation module II, an oxygen amount collector II and a deviation module III respectively; and the outside of the air input baffle plate opening control module is connected with a deviation module IV, a differential device and an oxygen amount collector III respectively. The control device has the advantages that: the load regulating range of a boiler is expanded, and different load requirements are met; the realization of an integrated control system is facilitated, the boiler is easy to operate, is convenient to overhaul and runs safely and reliably, the practical user requirements are met, the defects of low manual efficiency, low speed, unreliable full automation and complex overhaul are overcome, and continuous running of the boiler is ensured; and the medium temperature fluctuations of a water-coal-slurry burning boiler are greatly reduced.

Description

technical field [0001] The invention relates to coal-water slurry boiler technology, in particular to a control device for a coal-water slurry burner. Background technique [0002] Many existing coal-water slurry boiler products have great shortcomings: first, they cannot meet the actual production needs with large load changes; second, manual efficiency and speed difference and automatic unreliability and complex maintenance; When the slurry is precipitated and stratified, more impurities are produced, which affects the continuous operation of the boiler; in addition, some industrial users need large fluctuations in the medium temperature of the coal-water slurry boiler. [0003] . Contents of the invention [0004] In view of the above defects, the present invention provides a coal-water slurry burner control device that is beneficial to meet different load requirements, is simple to operate, convenient to overhaul, and can ensure continuous operation of the boiler, so ...

AI Technical Summary

Problems solved by technology

[0002] Many existing coal-water slurry boiler products have great shortcomings: first, they cannot meet the actual production needs with large load changes; second, manual efficiency and speed difference and automatic unreliability and complex maintenance; Slurry precipitates and stratifies while producing more impurities, which affects the continuous operation of the boiler; in addition, some industrial users need large fluctuations in the medium temperature of coal-water slurry boilers

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