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Automatic pulverizer for coal sample

An automatic coal sample preparation technology, applied in grain processing, etc., can solve the problems of high noise in the working environment, heavy manual workload, dust pollution, etc., and achieve the effect of no dust pollution, high degree of automation, and fast sample preparation speed

Inactive Publication Date: 2013-01-02
杨程
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This coal sample pulverization method has a large manual workload, and it takes a long time to prepare each coal sample. The working environment is noisy and dust pollution is serious.

Method used

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  • Automatic pulverizer for coal sample
  • Automatic pulverizer for coal sample
  • Automatic pulverizer for coal sample

Examples

Experimental program
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Embodiment Construction

[0017] see figure 1 , the coal sample automatic pulverizer comprises a frame 10, and the frame 10 is provided with a feed hopper 1, a crushing device, a sampling device and an impurity discarding device; the feed hopper 1 is located on the top of the frame 10, and the feed hopper 1 The exit of the door is provided with a dodge door 5, and the dodge door 5 is connected with the second drive device linear motor 16 (the dodge door 5 can also be manually driven), and the second drive device can also use a motor to drive the dodge door 5 through gears and racks. Method; the crushing device adopts a high-speed centrifugal pulverizer as the main body of pulverized coal, including a cavity 2, and a hammer body 13 is arranged in the cavity 2, and the hammer body 13 is hinged on the turntable 15 connected with the motor of the first driving device, and the cavity 2 The upper part is provided with a feed port connected to the feed hopper 1, and the lower part of the cavity 2 is provided ...

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Abstract

The invention discloses an automatic pulverizer for a coal sample. The machine comprises a frame, a feed hopper arranged on the frame, a pulverizing means, a sample picking means and an impurity discarding means, wherein the feed hopper is arranged at the upper part of the frame, the pulverizing means comprises a cavity in which a hammer body is arranged, the hammer body is connected with a first drive unit, the cavity is provided with a feed inlet, a discharge outlet with a screen mesh and an impurity discarding opening, the feed hopper is connected with the feed inlet, the sample picking means is connected with the discharge outlet, and the impurity discarding means is connected with the impurity discarding opening. The automatic pulverizer provided by the invention changes traditional coal dust production manners and has the following advantages: all the procedures consisting of feeding, pulverizing, screening, bottling and impurity discarding in the preparation process of the coal sample can be carried out automatically, so a high degree of automation is realized; a fast speed and high efficiency are obtained in sample preparation; sealed design is used for equipment, which is clean and green and causes no dust pollution and small noises.

Description

technical field [0001] The invention belongs to material crushing equipment, in particular to an automatic pulverizer for coal samples. Background technique [0002] At present, the coal sample pulverizer adopts a vibrating pulverizer. The coal sample is put into a round steel cup, and then the steel rod smaller than the inner diameter of the cup is put into the cover and fixed on the motor-driven On the disc, the disc rotates at a high speed, driving the steel rod in the cup to move and hit the cup wall to crush the coal sample; remove the steel cup and pour out the coal sample, sieve through a 0.2mm sieve, pour out the impurities on the sieve, and Coal powder was used as a coal sample. This method of coal sample pulverization has a large manual workload, and it takes a long time to prepare each coal sample. The working environment is noisy and dust pollution is serious. Contents of the invention [0003] In order to overcome the above-mentioned deficiencies in the prio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B02C13/04B02C13/286B02C13/26
Inventor 杨程
Owner 杨程
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