Modular high-temperature material digestion system

Abstract

The invention provides a modular high-temperature material digestion system, which comprises a raw material bin (1), a gate valve (2), a double-pipe spiral scale (3), a digester (4), a dust collectorconveying reamer (5), a transverse conveying reamer (6), a high-sealing rotary feeder (7), a water spraying system (8) and a digestion and dust collection system (9), wherein the raw material bin (1)is placed on a structure frame (10), the lower portion of the raw material bin (1) is a hyperbolic cone (103), the hyperbolic cone (103) is connected with the double-pipe spiral scale (3) through thegate valve (2), the double-pipe spiral scale (3) is connected with the digester (4), the digester (4) is connected with the transverse conveying reamer (6) through the dust collector conveying reamer(5), and the transverse conveying reamer (6) is communicated with the high-sealing rotary feeder (7). The modular high-temperature material digestion system is simple to operate and control, does notgenerate any negative influence on kiln firing, and is the most effective means for realizing green circular economy and controlling the production cost in dry flue gas desulfurization in the cement industry.

Description

technical field [0001] The invention relates to the technical field of firing in the cement industry, in particular to a modular high-temperature material digestion system. Background technique [0002] Dry flue gas desulfurization refers to the application of powdery or granular absorbents, adsorbents or catalysts to remove sulfide-containing gases in the flue gas. The dry flue gas cycle desulfurization in the cement industry is to use the main component of Ca(OH ) 2 desulfurizer and SO in flue gas 2 The reaction occurs to form calcium sulfite and calcium sulfate (Ca(OH) 2 +SO 2 →CaSO 3 +H 2 O, CaSO 3 +1 / 2O 2 →CaSO 4 ), to remove SO in the flue gas 2 So as to achieve the purpose of desulfurization. At present, the common practice in cement plants is to purchase grass, add water to stir and digest it into a slurry with a certain concentration, and then use a delivery pump to spray it into the preheater to reduce SO in the flue gas. 2 content, called wet desulfuriz...

AI Technical Summary

Problems solved by technology

Wet desulfurization increases the operating cost of the cement plant, the equipment is seriously corroded, and the slurry material is sprayed into the firing system, and the water evaporates to consume the heat of the system, resulting in huge heat loss

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