Twin Shaft Concrete Mixers

Choosing a concrete mixer is like mixing cookie dough in the kitchen. Making good cookies requires consistency and proper mixing of all the ingredients. Like is the kitchen you can either use different types of blenders and mixers to mix different materials. Want help determining which method of materials measuring is best for your application? Email me at with your questions and I’ll walk you through it. Use this link to get your answers.

Producers that use the RT Twin Shaft Mixers are normally companies that are wanting to mix large quantities of concrete in volume at high speed and have equipment that is long lasting with low operating cost and maintenance. The twin shaft mixers are most commonly used in the Pre-stress and Ready mix industries.

RT twin shaft mixers are ideal for mixing large quantities of concrete quickly.

The mixer tank is lined with Mangaloy hardened and wear resistant liners and blades The unique aspect of the twin shaft mixing action is the large number of blades, their position and orientation during the high speed circulation of the material during the mixing action.

THE MIXING CYCLE

The diagram below assumes that the aggregates are waiting in a skip or hopper, ready for discharge. Note the Premix time before water is added; this is essential to proper mixing and fast mixing times. The short total cycle time allows many plants to be upgraded to give double the output by replacing the mixer only, compared with adding a second mixer, which requires extra conveyors, chutes, holding hoppers and often an increase in elevation of bins and weigh hoppers.

Although the total cycle time is dependent on the speed at which the charging takes place as well as the type of concrete being produced, typically a batch of wet cast or ready-mix concrete can be produced in less than 90 seconds. Note that adding some admixtures may require extra mixing time.

Send me an e-mail if you have any question questions about our Twin Shaft Concrete Mixers, or pick up the phone and call 314-960-0540. I will get back in contact with you within 48 hours.