Coal ash drying device

Abstract

The invention provides a fly ash drying device, which is characterized by comprising a revolving barrel type dryer communicated with a heat supply pipe, wherein, the hot flue gas inlet of the heat supply pipe is provided with an air shutter; the heat supply pipe is provided with a fan; the heat supply pipe of the air inlet of the fan is provided with a butterfly bamper; the feed pipe connected with the revolving barrel type dryer is provided with a draft fan; a cyclone separating device is arranged at the end of the feed pipe; the butterfly bamper is arranged at the feed pipe between the draft fan and the cyclone separating device; the heat supply pipe is connected with an auxiliary heating furnace; the hot flue gas inlet of the heat supply pipe is provided with a hot flue gas inlet temperature sensor and a smoke volume measurement device; the heat supply pipe is provided with a smoke volume sensor; a revolving barrel type dryer inlet temperature sensor is arranged at a hot flue gas inlet of a revolving barrel type dryer of the heat supply pipe, while the outlet of the revolving barrel type dryer of the feed pipe is provided with a revolving barrel type dryer outlet temperature sensor. The device of the invention has the advantages of reasonable structure, good drying effect, and energy-saving.

Description

technical field [0001] The present invention relates to a drying device, specifically, a fly ash drying device, which is mainly used for drying fly ash removed by a wet dust collector or stored in an ash yard containing a certain amount of moisture, and can also be applied to Drying of other powdery objects. Background technique [0002] In my country's power industry, thermal power generation accounts for about 80% of the total power generation, and the annual discharge of fly ash is more than 220 million tons. The fly ash that has not been utilized for many years has reached more than 500 million tons, covering an area of ​​more than 200,000 mu, which has caused a great threat to the ecological environment. At present, my country's fly ash utilization technology and equipment are still relatively backward, and the comprehensive utilization work is still very unbalanced. In the process of comprehensive utilization of fly ash, it is relatively easy to store and transport dr...

AI Technical Summary

Problems solved by technology

At present, my country's fly ash utilization technology and equipment are still relatively backward, and the comprehensive utilization work is still very unbalanced. In the process of comprehensive utilization of fly ash, it is relatively easy to store and transport dry ash

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