At present, ore color sorting machines have been widely used in the sorting of quartz sand. Many mining companies have achieved economic benefits when they see their counterparts using color sorters. They find that they also need a color sorter, which can be used in actual production after purchase. But I can't get what I want, why?
To throw away the hardware problem of the device, the first thing to say is the relationship between several indicators of the color sorter. The color sorter can be said to be a kind of "robot", which is mainly composed of four systems: feed-transfer-detection-sorting. The performance evaluation indicators mainly include the following: processing capacity; color selection accuracy; take-out ratio and selection rate. Grasping the relationship between the various indicators, the color selection effect is inevitably unsatisfactory.
In the actual production process, these indicators are integrated, and there are mutual influences and constraints, which must be examined at the same time. The factors affecting the accuracy of color selection and the amount of processing per unit time are mainly the movement speed of the servo system, the maximum speed of the conveyor belt and the purity of the raw materials; and the ratio of the take-up ratio can be adjusted. If the ratio is too high, it will be It affects the two indicators of the selection rate and the treatment volume; if the setting is too low, too much normal material contained in the selected waste will cause waste.
In general, to improve the sensitivity, the better the color selection effect, the greater the take-out ratio; and the production requirements also directly affect the color selection effect and the ratio of take-out. In the actual debugging, we should grasp the following principles:
For different application areas, debug different performance indicators, the lower the sensitivity, the better the color selection effect can meet the requirements.
Excessively increasing the sensitivity will cause the solenoid valve to blow too much and enter the protection state, which may deteriorate the color selection effect.
Not meeting the expected color selection effect, in addition to the improper setting of indicators, there is also a factor that is the impurity content of the raw materials. When there are few impurities, the two impurities are separated by a large interval, and the reaction time left for the servo system is long, which can increase the speed of the conveyor belt and increase the yield. Similarly, the higher the initial purity of the raw material, the less the amount of impurities, and the higher the color selection accuracy. The normal material and the enamel material in the raw material must have a certain color difference; the smaller the color difference is, the more difficult the color selection is, the worse the performance index is, and the selection rate of the materials of different colors is also different.
It should also be noted that different applications have different requirements for raw materials, so it must not only pursue production. The most common quartz sand is taken as an example. If it is used for quartz plates, then it is not sloppy. Quartz sand for quartz plates must be used. It is pure white and it is pickled. The surface of quartz sand can not have a little yellow skin. The hardness of the stone is also good. It is a white translucent quartz sand. The quartz plate can meet the industry. Standard.
Therefore, the color selection of such materials can not be based on output, more importantly, the color selection accuracy is the main, after all, to ensure product quality is the first, otherwise it will not be worth the loss.
If quartz sand is used as a filler in the fields of coatings, rubber, plastics, etc., the requirements are not so high, and a certain doping rate does not affect the application, so that the output can be properly pursued.
As a typical opto-mechatronics system, the color sorter involves innovation and application in various fields of opto-mechanical softness. The speed of upgrading is very fast. It is a typical innovative technology product, and the price is relatively low. Therefore, the mine Enterprises should be cautious when using them, to achieve in-depth understanding of the various operations of the color sorter, so that it can play its due investment benefits.
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