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Drying and sorting integrated crusher and process

A crusher and drying technology, used in drying solid materials, drying gas layout, dryers, etc., can solve problems such as low production efficiency, large investment, and large land occupation, so as to improve production efficiency, reduce investment, and increase value. Effect

Inactive Publication Date: 2012-10-03
NANJING EFFUL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The old process uses different equipment to dry, crush, remove cotton, and sort asbestos ore. The process is very long and requires dozens of equipment, which requires a large investment and occupies a lot of land. Among them, drying is basically dependent on the sky, and the production efficiency is low.

Method used

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  • Drying and sorting integrated crusher and process
  • Drying and sorting integrated crusher and process
  • Drying and sorting integrated crusher and process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A crusher includes a crushing cavity, a crushing device, and a power device. Such as figure 1 As shown, the crushing cavity is a cavity enclosed by the casing 1, and the horizontal section is circular. The top of the crushing cavity includes an inlet 2 and the bottom includes an outlet 3. The crushing device includes a main shaft 4, a crushing disc 5 and a plurality of rollers 6. The crushing disc 5 is placed horizontally and has a circular shape, with a gap 7 between the edge and the inner wall 13 of the crushing cavity. The width of the gap 7 is 0.5-8 cm. The crushing disc 5 divides the crushing cavity into a crushing area 8 and an aggregate area 9 from top to bottom. The main shaft 4 is placed vertically, the upper end is connected to the center of the crushing disc, and the lower end is connected to the power device. The roller 6 is a columnar body which is engaged with the inner wall of the crushing cavity, and adjacent rollers are engaged with each other.

[002...

Embodiment 2

[0033] On the basis of Example 1, further, such as figure 1 As shown, the bottom of the crushing disc includes a transmission device 20, the roller 6 includes a roller shaft 21, and the transmission device 20 connects the main shaft 4 and the roller shaft 21. Such as Figure 8 As shown, the roller 6 has vertical grooves 30, and protrusions 31 are formed between the grooves. The rotation of the main shaft 4 drives the rotation of the roller shaft 21 via the belt transmission device 20, thereby driving the rotation of the roller 6. That is, when the crusher is working, in addition to following the crushing disc 5 to rotate around the main shaft, the roller 6 also rotates. In addition to being crushed between the inner wall of the crushing cavity and the cylindrical roller 6, the material is also crushed by the squeezing caused by the grooves and protrusions after the rollers 6 rotate mutually, thereby improving the working efficiency of the crusher. The speed of the roller is 30...

Embodiment 3

[0037] On the basis of embodiment 1, it further includes a spreading device. Such as figure 1 As shown, the spreading device includes a spreading disc 41, which is located at the top of the extension part of the main shaft 4, facing the feed inlet 2 directly. When the crusher is working, the main shaft 4 rotates to drive the sprinkler 41 to rotate, and the material entering the crushing cavity through the feed port is thrown on the sprinkler 41, and the material is dispersed around the crushing cavity by the centrifugal force of the rotating sprinkler 41. The spreading disc is a disc or an umbrella-shaped disc.

[0038] Further, such as figure 1 As shown, the spreading device also includes a buffer tray 42. The buffer tray 42 is connected to the extension part of the main shaft 4. When the crusher is working, the material that enters the crushing cavity through the feed port is dispersed by the material spreader 41 and further dispersed by the buffer disk 42.

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Abstract

The invention discloses a drying and sorting integrated crusher and a process thereof. The crusher comprises a crushing device, an air blast device, a sorting device and a drying preheating device. Ores are preheated by the drying preheating device and are crushed by the crushing device, and dust formed after the ores are crushed by the crushing device is raised by air which is blown by the air blast device into the sorting device; and a finished product is obtained by the settlement of the dust in the sorting device. According to the drying and sorting integrated crusher, the crushing device comprises a spindle, a crushing disc and 3 to 8 grinding rollers; the spindle is vertical; the crushing disc is horizontal; the grinding rollers are erected on the crushing disc and are meshed with the inner wall of a crushing cavity; and the adjacent grinding rollers are meshed with each other. When the crushing device runs, the grinding rollers revolve on the own axis while rotating around the spindle. The crushing device has a high-efficiency crushing effect on low-hardness ores, and is particularly suitable for crushing asbestos ores. When the drying and sorting integrated crusher is applied to the asbestos ores, the process can be simplified, investment of equipment and capital construction can be reduced, energy consumption and cost can be reduced, and the production efficiency can be improved greatly.

Description

technical field [0001] The invention relates to mechanical crushing equipment, in particular to crushing equipment integrating drying and sorting. Background technique [0002] At present, the old process of asbestos beneficiation is carried out in stages. The first step is drying, which is generally natural drying at home and abroad, and very few use rotary kiln or hot air drying; the second stage is crushing. Jaw crusher, impact type Crusher, small impact crusher or hammer crusher for medium crushing; impact crusher, cone crusher, or dragon crusher for cotton removal; plane gyratory screen or plane vibrating screen plus airflow suction for sorting . The sorted asbestos fibers, impurities, and dust are input into the purification system to remove sand and dust (-0.25mm particles, including some asbestos fibers). Sand removal and dust removal equipment include plane rotary screen or plane vibrating screen, hexagonal screen, purifier, etc. The old process uses different eq...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B02C15/08B02C4/02B02C4/30B02C23/30F26B1/00F26B21/00
Inventor 唐绍林丁大武万建东
Owner NANJING EFFUL
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