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Method of and apparatus for sorting mineral

A sorting device, a technology for minerals, used in chemical instruments and methods, solid separation, separation of solids from solids by air flow, etc.

Inactive Publication Date: 2013-06-05
KOTOBUKI ENG & MFG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The problem to be solved by the present invention is to solve the situation that the blown minerals (crushed stones) cannot be effectively sorted by a compact mechanism

Method used

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  • Method of and apparatus for sorting mineral
  • Method of and apparatus for sorting mineral
  • Method of and apparatus for sorting mineral

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] (1) shell

[0045] figure 1 Shown is the first embodiment of the present invention, in the case main body 1 of the device main body, the side walls of the upper and lower intermediate parts are connected by the upper and lower bellows parts 1a, forming a vibrating sieve that transmits vibrations such as a vibrator a.

[0046] Inside the vibration classifier A as this sorting mechanism, there are a plurality of sorting sieves 11 described later, and these sorting sieves 11 transmit the vibration of the above-mentioned vibrator to vibrate.

[0047] On the top side of the housing main body 1, an air outlet 2 is opened. From the air outlet 2, the air blowing from the air blowing fan 3 as the air blowing mechanism is sent to the mineral sorting space 4 of the casing main body 1 . In the vicinity of the blower port 2, directly above, a mineral input port 5 is opened.

[0048] (2) Dust collection device

[0049] On the top of the housing main body 1, on the side opposite ...

Embodiment 2

[0075] figure 2 Shown is the second embodiment of the present invention, in the innermost part away from the air supply port 2 of the casing main body 1, there is provided a recovery port 17 that does not have a sorting screen and allows the minerals to fall down to realize recovery.

[0076] At the top end of the partition wall 18 forming the recovery port 17, a rear baffle 19 capable of changing an inclination angle is installed.

[0077] When the flight distance varies slightly depending on the type of minerals, the smaller minerals 12 can be sorted more accurately by changing the angle of the rear baffle 19 according to the flight distance.

[0078] From this recovery port 17, the small-sized minerals 12 that fly farthest are discharged and recovered.

[0079] In this way, the minerals 12 with the smallest diameter are recovered without passing through the sorting sieve, thereby discarding as much as possible the minerals that hinder the sorting, thereby improving the so...

Embodiment 3

[0082] image 3 Shown is the third embodiment of the present invention, and the end of each sorting screen 11 on the side away from the air supply port 2 extends to the farthest arrival position of the minerals 12 to be sorted that fall thereon.

[0083] The flight distance of the mineral 12 changes according to the performance of the blower fan 3 and the size of the mineral 12, and is obtained in advance as experimental data.

[0084] Through this experiment, in each of the sorting sieves 11a to 11d, the distances that the minerals 12a to 12a to d of sizes to be sieved and collected by passing through the sorting sieves 11a to 11d fly can be determined.

[0085] Each sorting screen 11a-11d of this 3rd embodiment will be correctly extended to the front end of the side away from the air supply port 2 to the best, the maximum distance (longest reaching position) calculated by the experiment, and not extended to the other side. Mineral 12 of the size below flies everywhere.

[...

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PUM

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Abstract

To smoothly sort crushed minerals into those of various sizes by compact means. An air blow means such as a blow fan (3) for separating introduced minerals (12) by air force; and a sorting screen (11) which receives the fallen minerals, sorts the minerals (12) of a predetermined size or larger, and allows the minerals (12) of a predetermined size or smaller to pass therethrough are installed. The minerals (12) are blown off by the air blow means so that the positions where the minerals fall down can be changed according to their sizes, whereby the minerals can smoothly pass through the sorting screen (11) and the sorting means can be made compact.

Description

technical field [0001] The present invention relates to a sorting method for classifying minerals into multiple stages corresponding to their sizes and a device therefor. Background technique [0002] Minerals are crushed with a centrifugal crusher etc. to form crushed stones, which are sorted according to their size and supplied as needed in the form of roadbed materials, concrete aggregates, etc. [0003] The applicant of the present invention developed the device described in Japanese Patent Application Laid-Open No. 2003-175367 as a sorting device. In this sorting device, the objects to be sorted (crushed stones) blown up by the wind of the blower are sorted by utilizing the phenomenon that the flying distance varies according to the size (weight). [0004] This situation is called wind separation. [0005] Below the flying space, two sets of screw conveyors for conveying minerals are set according to the distance from the blower. In order to collect the fallen gravel ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B07B1/00B07B4/02B07B9/00
CPCB07B1/46B07B4/02B07B7/06B07B2201/04
Inventor 贺谷隆人岛筒健长原雄一桥本胜由
Owner KOTOBUKI ENG & MFG CO LTD