Limestone crushing recommended with jaw crusher and impact crusher

Speaking of limestone, I believe we are no stranger, widely distributed in China, especially in Shaanxi, Guangxi, Anhui, Sichuan more. It is a commonly used raw material for crushing sand, and its production line is also more common, with an hourly output ranging from 100 tons to thousands of tons. Because of the low hardness of limestone, many customers choose jaw + impact crusher, jaw + hammer crusher crushing mode, but in the long run, it is more recommended to use jaw + impact crusher, the specific reasons are as follows:

1. Mature technology, reliable output

Jaw crusher + impact crusher combination mode is a widely used crushing process at home and abroad, many enterprises are mostly so configured. The process is mature and reasonable, with high operation rate and moderate equipment investment. Although the mode of jaw crusher + hammer crusher is simple and the equipment investment is small, but the operation rate is low, the powdery material is much, and with the wear and tear of the hammer head, the output decreases greatly.

2. Good granularity of discharged material, easy to adjust

Impact crusher through the adjustment of the impact frame and hammer spacing, control of discharge, more convenient, and the equipment has a certain degree of plastic efficacy, after treatment of sand and gravel fines with high gradation, can be used directly; Hammer crusher is through the adjustment of the grate or the liner and the spacing of the hammer head to control the particle size, the grate is easy to be clogged, and the particle size is general.

3. More durable equipment, more convenient maintenance

Only a few hammers are installed on the rotor of the impact crusher, which is convenient to replace, and the OCP hammer parts are made of anti-wear high chromium cast iron, which is wear-resistant, and the service life is more than 50% higher than that of the ordinary hammers; the hammer head of the hammer crusher can reach dozens of hammers at the most, and the replacement of which is more time-consuming and labor-intensive; moreover, the shapes and sizes of the hammers and hammerheads are different, and the overhauling difficulty will be relatively greater.

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