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Coal sample breaking device

A crushing device and coal sample technology, applied in solid separation, filter screen, grid, etc., can solve the problems of uneven crushing, affecting the accuracy of coal quality testing, insufficient crushing, etc.

Inactive Publication Date: 2017-10-24
朱洁
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Most of the common crushers are primary crushing, and it is inevitable that there will be uneven and insufficient crushing, which will affect the accuracy of coal quality testing.

Method used

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  • Coal sample breaking device

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Embodiment Construction

[0011] The present invention will be further described below in conjunction with accompanying drawing.

[0012] like figure 1 As shown, a coal sample crushing device includes a feed port 1, the lower part of the feed port 1 is connected to a crushing box I13, and the inner space of the crushing box I13 is divided into an upper crushing space by a screen I14 arranged therein. And the lower material receiving space, the upper crushing space is provided with a pair of oppositely rotating crushing rollers I2, the lower material receiving space is a cavity, and a discharge port I12 is opened at the bottom of the cavity. A vibrating motor I3 is arranged on the lower surface of the screen I14, and there is a gap on the side of the crushing box I13 and the horizontal position of the screen I14, and the gap is connected with the crushing box II5 through the pipeline I4, and the crushing box II5 The inner space is divided into an upper crushing space and a lower material receiving spac...

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Abstract

A coal sample breaking device comprises a feed port. A two-stage breaking system is arranged on the lower portion of the feed port and comprises a breaking box, the internal space of a breaking box is divided into an upper breaking space and a lower receiving space with a screen net which is arranged in the breaking box as a boundary, the upper breaking space is internally provided with a pair of breaking rollers which oppositely rotate, the lower receiving space is a cavity, a discharge port is formed in the bottom end of the cavity, a vibration motor is arranged on the lower surface of the screen net, a notch is formed in the side face, at the horizontal position of the screen net, of the breaking box, and the notch is connected with a pipeline. The breaking device can guarantee that a coal samples are broken evenly and sufficiently, coal briquettes not conforming to the sizes of the coal samples are prevented from mixing into the coal samples, and the accuracy of coal sample analyzing is improved.

Description

technical field [0001] The invention relates to a coal sample crushing device. Background technique [0002] In the process of coal sample preparation, the sample needs to be prepared into an analysis sample that can represent the characteristics of the original sample through steps such as crushing, shrinking, mixing, and drying. The crushing of the sample is mainly through crushing equipment (such as a hammer crusher) to process the large-grained sample through operations such as extrusion, impact, and cutting to make an analysis sample. [0003] Most of the common crushers are primary crushing, and it is inevitable that there will be uneven and insufficient crushing, which will affect the accuracy of coal quality testing. Contents of the invention [0004] Aiming at the above-mentioned problems in the prior art, the present invention provides a coal sample crushing device, which can crush coal samples in two stages, and the crushing is uniform and sufficient, so as to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B02C4/02B02C23/16B07B1/28
CPCB02C4/02B02C23/16B02C2023/165B07B1/28
Inventor 朱洁
Owner 朱洁