The main component of quicklime is calcium oxide,usual production method is to make natural rocks that the main component of calcium carbonate, calcined at high temperature to decompose carbon dioxide and calcium oxide(chemical formula: CaO, that is quicklime, also known as marble stone),modern use of mechanized, semi-mechanized vertical kiln and rotary kiln, boiling furnace and other equipment for production. Quicklime is a commonly used desiccant to remove water vapor by chemical absorption, especially suitable for products in steel, medicine, desiccant, puffed food, instrumentation, electronic telecommunications, leather, textile and other industries.
Quicklime milling is generally divided into four types: coarse powder processing (0-3mm), fine
powder processing (20 mesh-400 mesh), ultrafine powder processing (400 mesh-1250 mesh) and
micronized powder processing (1250 mesh-3250 mesh).
Stage 1: Crushing
the bulk material is crushed by the crusher to the fineness of the feed that can enter the mill (15mm-50mm)
Stage 2: Milling
The crushed small pieces of quicklime are sent to the silo by the elevator, and then sent to the mill grinding chamber for grinding evenly and quantitatively by the vibrating feeder.Fine powder processing can choose LM vertical mill, MTW European mill, 5X European intelligent mill; The ultrafine powder processing generally adopts LUM ultra-fine vertical mill, MW ring roller micro-powder mill, and the coarse powder processing adopts CM European coarse grinding and straight-through centrifugal milling.
Stage 3: Grading
The crushed quicklime powder is graded by the classifier, and the unqualified powder is returned to the main mill for re-grinding after being graded by the classifier.
Stage 4: Powder collection
The powder that conforms to the fineness enters the dust collector with the air flow through the pipeline for separation and collection, and the collected finished powder is sent to the finished product silo by the conveyor through the finished powder outlet, and then packaged by a powder loading tanker or automatic baler.
Raw material: limestone
Processing capacity: 400,000 tons/year
Finished powder fineness: 325 mesh D90
Raw material: calcite, limestone
Feeding particle size: ≤20mm
Finished powder fineness: 1250--1600 mesh
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