Stone recrushing process

A secondary crushing and stone technology, applied in the field of stone crushing, can solve problems such as insufficient supply of raw materials, and achieve the effect of increasing output and ensuring quality

Inactive Publication Date: 2013-10-16
洛阳宝诺重型机械有限公司
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  • Abstract
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Problems solved by technology

The problem of insufficient r

Method used

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  • Stone recrushing process

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Embodiment Construction

[0013] Below in conjunction with accompanying drawing, the present invention will be further described: figure 1 As shown, the process flow of the present invention is stone silo → electric vibration machine → jaw crusher crushing → No. 1 belt conveyor → impact crusher crushing → No. 2 belt conveyor → rotary screen, and the fine material is transported to the limestone warehouse through No. 3 belt conveyor The coarse material screened by the rotary screen is transported to the impact crusher for secondary crushing by the No. 4 belt conveyor, and then transported to the limestone storage by the No. 2 belt conveyor, rotary screen, and No. 3 belt conveyor to complete the stone processing process.

[0014] The limestone in the mine is transported to the stone silo, and the material is vibrated by the GZ8 electric vibrator, and then enters the PEF600mm×900mm collar crusher. After the primary crushing, the stone is sent to the Φ1250mm×1000mm impact crusher by the No. 1 B650 belt conv...

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Abstract

The invention discloses a stone recrushing process. The stone recrushing process comprises the following process flows: performing treatment by a stone cabin, an electric vibrator, crushing of a jaw type crusher, a belt conveyor 1, crushing of an impact crusher, a belt conveyor 2, and a gyratory screen on a raw material in sequence, conveying a fine material to a limestone warehouse through a belt conveyer 3; conveying a rough material screened by the gyratory screen to the impact crusher through a belt conveyer 4 for recrushing, and then conveying the recrushed material to the limestone warehouse through the belt conveyor 2, the gyratory screen and the belt conveyors so as to complete the stone treatment; machine-hour yield of a grinder is increased by 20% to 30%, the production cost is reduced, and the economic benefit is increased.

Description

technical field [0001] The invention relates to the field of stone crushing, in particular to a stone secondary crushing process. Background technique [0002] Our factory has two cement production lines with an annual output of 100,000 tons. The specifications of the Φ2.8m×l0m and Φ2.9m×10m shaft kilns are Φ2.2m×6.5m and Φ2.2m×7m respectively. With the application of technologies such as pre-adding water to form balls, automatic control system for partial fire in the shaft kiln, and castors in the central ventilation tower, the output has increased significantly, and the output of the shaft kiln with a size of 2.8m×l0m has reached 10.7t / h, Φ2.9m The output of ×10m shaft kiln reaches 11.2 / h. The problem of insufficient raw material supply has arisen. We start from the particle size of the artificial mill material, and add a rotary screen closed-circuit system after the secondary crushing to increase the output of the raw mill. Contents of the invention [0003] The purp...

Claims

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Application Information

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IPC IPC(8): B02C21/00
Inventor 高敏高辉李萌牛家兴
Owner 洛阳宝诺重型机械有限公司
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