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Modular high-temperature material digestion system

A technology for high-temperature materials and digestion systems, applied in chemical instruments and methods, gas treatment, dispersed particle separation, etc., can solve the problems of equipment corrosion, heat loss, increase the operating cost of cement plants, etc., to achieve simple operation control and control of production costs. Effect

Pending Publication Date: 2021-03-26
LOESCHE (SHANGHAI) CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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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

Method used

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  • Modular high-temperature material digestion system

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Embodiment

[0026] The high-temperature material at 200-250°C is used for digestion. The material enters the raw material bin 1 from the center of the top. The group seat of the raw material bin 1 is fixed by bolts and three weighing modules 101 uniformly distributed in the circumferential direction, and the other end of the weighing module 101 is fixed by bolts. Fixed on the structural frame 10, the material enters the raw material warehouse, the volume of the raw material warehouse is 3-5m 3It has the function of material storage and buffering, and controls the material level at a certain height according to the program control requirements. A temperature sensor is installed at 1 / 4 of the hyperbolic cone of the raw material silo to detect and feed back the temperature of the incoming material; a weighing sensor is installed under the support group of the silo to monitor and feedback the material level in the silo; the silo cone is a hyperbolic structure.

[0027] A gate valve is set und...

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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...

Claims

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Application Information

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IPC IPC(8): C04B2/08B01D53/83B01D53/50
CPCC04B2/08B01D53/83B01D53/508B01D2258/0283
Inventor 胡泽武胡其军代建新
Owner LOESCHE (SHANGHAI) CO LTD
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