After all components are divided into batch measurement. According to the pre-set sequence into a blender forced stirring, unloading of refined material mixing, followed by a cycle, form a cycle of operation process. The so-called intermittent type, is to refer to this sub batch metering, mixing production mode.

Use loader will have different specifications of sand and stone shovel into the corresponding cold silo; through the inverter control of (inverter parameters according to the gradation type, yield and coordination than set in advance) belt feeder volume measurement after, through collecting belt conveying machine, material cold belt feeding machine is transported to the drying drum.

Drum drying in a counter flow heating will aggregate drying and heating to a certain temperature, (control system of the automatic adjustment of the burner flame), due to the rotation of the drum, sand and gravel is inner cylinder blade repeated lifting and falling, the curtain material formation, enhanced heat transfer effect, and with the aid of the inclination angle of the drum, sand and gravel in heating and constantly move forward; from the outlet of the roller, together with the gravity dust collector to collect the coarse powder together, by the hot aggregate hoist lift and unloaded into to extension of the hot aggregate sieve.

Discharged from the drying cylinder temperature containing flue gas dust first through a flue into the gravity dust collector preliminary purification and the collected powder by a screw conveyor sent to hot aggregate hoist import; then dust containing flue gas enters the bag type dust remover, the purified flue gas is discharged directly into the atmosphere by induced draft fan. The dust of the bag type dust collector is sent to the recycling powder supply system by the screw conveyor.

The hot aggregate is divided into five kinds of specifications by the screen extension, which is stored in the five hot storage bin. According to the set ratio, five kinds of specifications of aggregate order according to the small first large batches into stone weighing hopper cumulative measurement; powder and asphalt supply system sent hot asphalt and powder feeding system sent, respectively in the set of matching into separate metering device measurement. After weighing, according to preset order into the mixing pot of forced mixing. Mixing good finished materials directly to the unloading transports the material self discharging truck in, can also choose to the unloading finished product material lifting car, scroll Yang machine lifting unloading to the finished product silo storage.

Control system relies on each sensor detects the signal, the important parameters of the material ratio, asphalt content, mixing temperature of real-time monitoring, so as to ensure the production of mixing quality can meet the requirements of users. In the whole process of the electronic control system is also equipped with a chain protection device, so that the equipment from accidental mechanical accident.

Need to explain is that cold aggregate through belt feeder volume measurement is expected volume and the screening of the hot aggregate, powder and hot asphalt metering is accurate measurement. Because there are two measurement, it can guarantee the gradation of the mixture, and the proportion of the aggregate, powder and asphalt is relatively high. At present, the static measurement accuracy of aggregate and powder is no more than 0.5%, and the static measurement accuracy of asphalt is not more than 0.25%. Because it is a batch type stirring, it is also very convenient to change the mix proportion, so it can be changed or changed without stopping.