石灰石又名青石，莫氏硬度3度，相對密度2.7，主要應用于建筑骨料和鋼鐵冶煉，其易破碎、對設備磨損少被廣泛開采。因為石灰石對設備具有低磨損的特性，在打砂過程中可適當提高打沙機轉速來增加砂子的產量。

Limestone, also known as bluestone, Mohs hardness of 3 degrees, relative density of 2.7, mainly used in building aggregate and steel smelting, it is easy to break, less wear and tear of equipment, widely exploited. Because has the characteristics of low limestone on wear of equipment, in the sand process may be appropriate to increase the speed to increase the yield of sand play sand machine.

石灰石打沙機可選用反擊式打砂機，因為反擊式打砂機是使用的無死角的高速打砂轉子，有著強力的破碎比，加上反擊倉的作用真正實現“石打石、料打料”，成品砂子粒型好看、模數適中、級配好。

Sand blasting machine can be used with limestone crusher sand machine, because the counter sand sand machine is a high-speed rotor without dead use, has a strong crushing ratio, plus back warehouse functions to realize "stone, stone material, refined sand grain type, moderate level, with good modulus good.

反擊式打砂機工作原理是：錘頭是自下向上迎接投入物料進行沖擊破碎，并把它拋到上方反擊板上，受高速打擊的物料撞擊到反擊板上然后物料成“傘”狀下落，在下落的過程中與板錘再次反擊來的物料在倉內進行撞擊。

Counter type sand machine working principle is: the head is from bottom to top to input material impact crushing, and threw it to the top of the counter plate, by the high speed against the impact of materials and materials to the back plate "umbrella" shaped drop in the process of falling and the plate hammer again back to the material crash in the warehouse.

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