The Mixing Time And Production Cycle Of The Asphalt Mixing Plant

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The mixing time and period of the asphalt mixing plant are the key factors to ensure the quality of the asphalt mixture, and the following is a detailed explanation of these two aspects.

The mixing time and period of the asphalt mixing plant are the key factors to ensure the quality of the asphalt mixture, and the following is a detailed explanation of these two aspects.

1.Stir Time
The mixing time is usually divided into dry mixing time and wet mixing time.

Dry mixing time

Dry mixing time is the mixing time before adding asphalt. The function is to make to coarse and fine aggregate mix evenly, to avoid the concentration of fine materials and asphalt agglomeration. The time generally should be not exceed 10 seconds, for the dry mixing time of coarse aggregate grade mixture may be 13-15 seconds. But dry mixing on the coarse aggregate damage effect is greater, should be shortened as far as possible.

Wet mixing time is the mixing time after adding the asphalt. It is aimed to the long wet mixing easy and even. So that the working performance of the mixture is better. However, too long mixing time will affect the mixing yield. Time duration generally is not less than 35 seconds, some people think that the wet mixing time under normal working conditions is about 22 seconds.

2. mixing cycle
Mixing cycle refers to the total time required from the start of batching to the completion of a plate of mixture and unloading, usually including the batching time, the value stability time of each bin, opening and closing time, mixing time and other process time. In the general cognition of the industry, the mixing cycle of intermittent asphalt mixing equipment is usually 45 seconds.

Although this is not a mandatory standard, it is basically followed by engineering design, equipment design, supervision and other relevant departments as the basis for compliance. There is also a view that the cycle time of a plate of the mixture is from 45 to 50 seconds.

It should be noted that the stirring duration and period may be affected by various factors, such as equipment type, material characteristics, production process parameters, etc. Therefore, in the actual production, it should be adjusted and optimized according to the specific situation to ensure that the quality and yield of asphalt mixture reach the best state.

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To sum up, the mixing time and cycle of asphalt mixing station are important links to ensure the quality of asphalt mixture, which needs to be strictly controlled and managed.

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