Introduction to Stone Production Line and Stone Types

In 1983, Henan Hongxing Mining Machinery quarry labor service stone production line established the quarries, which produced the rubble, material stone, gravel and other basic manual work.  The annual output of the stone production line is 3000 to 8000 cubic meters. There were 98 employees in 1987 and the output value was 11 million yuan at that time. There are 35 sets of processing equipment for gangue processing. The annual gangue processing capacity is 250,000 tons. In 1987, the output value was 38 million yuan with 180,000 yuan profits.
In the saturation humidity, the uniaxial ultimate compressive strength of the rock specimen is greater than 29.4 × 103KPa, such as the granite, diorite, basalt and others. The types stone for stone production line include the igneous rocks, such as the iron, calcium cemented conglomerate, sandstone, limestone, argillaceous limestone, dolomite and other sedimentary rocks, gneiss, quartzite, marble, slate and other metamorphic rocks. In the natural humidity, the uniaxial ultimate compressive strength of rock specimens is 4.9 × 103KPa to 29.4 × 103KPa, such as the tuff, pumice igneous rocks. The types of the stone production line also include the mud conglomerate, argillaceous shale, argillaceous sandstone, marl, mudstone, and the hard rock whose intensity is reduced to 4.9 × 103KPa to 29.4 × 103KPa due to weathering action. In the natural humidity, the limit of the rock specimen of the uniaxial compressive strength is less than 4.9 × 103KPa, such as claystone, coal and other sedimentary rocks, mica schist or phyllite and other metamorphic rocks.
The rocks can be divided into several types according to the crushing degree. The first type is the large blocky shape. Most rocks are divided into the rock rocks which is more than 40cm. The second type is the block broken shape. Most of the rock bodies are divided into the rock blocks that is 20cm to 40 cm. The third type is the gravel shape. Most of the rocks are divided into the rock blocks that are 2cm to 20cm. The stone produced by the stone production line is a kind of very important building materials in the road construction projects. The range of applications is very wide. The common stone production line includes the granite, gneiss, diorite, sandstone, limestone and other stone production lines.
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