Asphalt concrete mixing plant and reasons for handling reasons, including the following aspects:
1. From the hot silo between the partition board caused by the phenomenon of string leakage break. The separation of each hot silo are separated by iron plate, iron plate has a certain use of time, which has a certain wear resistance, a long stone friction, the thickness of the iron plate gradually thinning, and water dripping through the stone, Iron grinding through the adjacent heat between the silos more than the stone from the break into the little hot silo, resulting in string warehouse.
2. By the different specifications of the sieve caused by a variety of stone string between the phenomenon. Various sieves have different diameter of the steel manufacturing, its quality is different from its toughness, stiffness, wear resistance will be different in the use of a certain stage after the steel gradually thinning of the screen, straight grinding off, sieve Larger diameter, the original size of the stone can not pass through the larger diameter of the screen into the original screen with the original diameter of the stone is not changed by mixing the screen, resulting in string phenomenon. The solution is to place the damaged with a wear-resistant steel plate re-welding.
3. by each layer of the vibrating screen before and after the baffle blocking effect caused by poor string of phenomenon. The clearance between the front and rear baffles and the side dividers of the vibrating screen is excessively large, causing stones of a size exceeding the mesh size to come in contact with the baffles to leak into the corresponding hot bins. Resulting in string phenomenon. The solution is to block the front and rear baffle effect, as long as there is a gap to fill all the places.
4. As the tension of each screen is not good with the side of the tension is not close contact with the shaker when the screen shook the side of the screen with the gap caused by string phenomenon. The vibrating screens are arranged in a sequence of arcs from top to bottom on each of the isolated contact plates. So the screen in order to close contact with it, tension must reach a certain degree of degree of tension in order to ensure that the screen vibration in the shaker will not appear with the side of the gap, otherwise there will be string warehouse phenomenon. The solution is to adjust the tensile tension of each screen to the appropriate extent, generally tighten the tension spring to the original length of the two points, according to the length of the screen toughness appropriate adjustments.
5. By the vibrating screen and overflow storage tank connected to the overflow caused by the phenomenon of string tube clogging. Vibrating screen and overflow silo connected to the overflow tube is blocked, the overflow of a variety of stones will not enter the overflow through the overflow tube overflow, when the overflow will be more and more blocked by the overflow of the hot material Warehouse, more than the flash material will enter the adjacent no flash or dissatisfaction with the hot silo, which appears string phenomenon. The solution is to plug the plug in the overflow tube blockage, and clear the overflow tube, so that the overflow material can be discharged into the overflow silo.
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