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Everything You Need To Know About Cement Mill Liners

Cement mills are also known as finish mills in North America. They are used for grinding hard clinker into fine grey power from the cement kiln. It is this powder that is known as cement. Generally, cement is grounded in vertical roller mills and ball mills. Vertical roller mills tend to be more effective than ball mills.

Advancements in the Cement Industry

The cement industry has experienced great change over the years. It is due to the technological advancements in the industry. The cement mill liners of today are not the same as how they used to be. They have many more features. Thus, manufacturers get to benefit from a higher productivity. Moreover, less time is required for producing cement.

Predictive System

When it comes to the wear and tear of the units, it is important that you consider using a predictive system. It will help reduce the occurrence of unpredicted incidents. There are cement mill shell liners which have non-repairable castings. These models are subjected to an accelerated deterioration process when production and operational hours increase.

Early Cement Mills

In the past, hydraulic cements were relatively soft. They were readily ground using primitive technology such as flat millstones. Ever since the Portland cement emerged in the 1840s, it made it more difficult to grind because the clinker was just as hard as the millstone material itself. Thus, cement was ground coarsely until the grinding technology improved. Moreover, it resulted in un-reactive cement being produced which had slow strength growth. This only made the problem worse.

Early cements needed to be stored for a few months before they could be used as it took time for the calcium oxide to hydrate it. It was only after 1885 that specialized steel was developed. It led to the creation of new grinding equipment which led to a progressive reduction in un-reactive cement particles.

Main Objective of Cement Mill Liners

As technology has progressed, the main focus has remained the same. The reduction of energy consumption is of critical importance as it helps reduce energy costs and other production costs. The main constituent of cements today is the Portland clinker. Some calcium sulfate is added to the cement to retard tri-calcium aluminate hydration.

Temperature Control

The cement mill liners of today focus on temperature control. The heat which is generated through the grinding process causes the gypsum to end up losing water which in turn forms bassinette. Since these minerals tend to be rapidly soluble, the cement has to control hydration. The hardest task is getting the optimum amount of soluble sulfate. To achieve this, the milling needs to have an exit temperature which is about 115 degrees Celsius.

Modern Mills

The latest mills use superior technology to utilize the heat generated. Recirculation of the hot exhaust air helps ensure that there is no room for insufficient heat.


Cement mill liners have made it a lot easier for cement to be created. If you are looking for one, you should make sure that it is from a reliable company.