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How to do the grinding of heavy calcium industry?

2022-02-21 admin

Heavy calcium processing and grinding technology

Heavy calcium carbonate is made of calcite, chalk, marble and other ores as raw materials, and is produced by mechanical pulverization. It is a commonly used powdery inorganic filler with high chemical purity, high inertness, not easy to chemical reaction, good thermal stability, no decomposition below 400 ℃, high whiteness, low oil absorption rate, low refractive index, soft, dry, non-toxic. Contains crystal water, low hardness, low abrasion value, non-toxic, tasteless, odorless, good dispersibility and so on.

Widely used in the fields of chemical industry, papermaking, medicine and building materials, it can increase product volume, reduce cost, improve processing properties (such as adjusting viscosity, rheological properties, vulcanization properties), improve dimensional stability, reinforce or semi-reinforcement, improve printing performance, improve physical properties (such as heat resistance, matting, abrasion resistance, flame retardancy, whiteness, gloss), etc.

The large-scale, ultra-fine, intelligent, environmental protection and energy-saving processing of heavy calcium has become the current trend.

Heavy calcium processing and grinding process

Grinding stage ▼

The raw materials with suitable particle size are continuously and evenly sent to the main machine for grinding through the belt feeder, and the ground fine powder is sent to the classifier for classification under the action of the air flow of the fan. The air duct enters the collection phase.

Collection phase ▼

The dust gas from the mill enters the cyclone collector through the main air outlet pipe, and most of the finished fine powder is separated under the action of centrifugal force. The excess gas is discharged and sent to the pulse dust collector.

After the pulse dust collector, it becomes clean gas and discharged. The finished product fine powder collected by the cloth bag is transported to the finished product conveying stage together by the screw conveyor.

Delivery stage ▼

The finished ore powder collected by the dust collector and the cyclone collector is sent to the next process or into the finished product tank by the screw conveyor.

Heavy calcium processing and grinding technical indicators

pigment

Used in chemical industries such as plastics, paints, and paper making

Processing fineness: 325 mesh – 2500 mesh

In the coatings and plastics industry, heavy calcium is usually used as filler, widely used in artificial floor tiles, rubber, plastics, paper, coatings, paints, inks, cables, building supplies, food, medicine, textiles, feed, toothpaste and other daily chemical industries, as a filler to increase the volume of the product and reduce production costs.

Used in the field of fertilizers

Processing fineness: about 200 mesh

Heavy calcium does not contain ferric sulfate and aluminum sulfate, and is almost entirely composed of monocalcium phosphate, which will not cause phosphoric acid degradation in soil. In alkaline soil and sulfur-loving crops, the effect of heavy calcium is not as good as that of ordinary calcium. The rest are similar to calcium general.

Heavy calcium processing and milling equipment

According to the feed fineness, moisture content, finished product fineness, usage and other factors of heavy calcium raw materials, SBM micropowder technology can help customers to reasonably choose the grinding and powder selection process, and determine the type, model and quantity of the pulverizer.

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