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Drum-type hook screening and impurity removal method

A trommel and trommel technology, applied in chemical instruments and methods, sieves, solids separation, etc., can solve the problems of complex structure of the screening device, affecting the screening effect, clogging of the screen, etc., to achieve sufficient kinetic energy, ensure the screening effect, Avoid blocking effects

Active Publication Date: 2018-04-27
洛阳益矿机械设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide a method of drum-type hook-tooth screening and impurity removal, which solves the problem that the screen is easily blocked during screening, which affects the screening effect, and the structure of the screening device is relatively complicated.

Method used

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  • Drum-type hook screening and impurity removal method
  • Drum-type hook screening and impurity removal method
  • Drum-type hook screening and impurity removal method

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Effect test

Embodiment 1

[0026] The drum-type hook tooth screening and impurity removal method of the present invention comprises:

[0027] (1) Assembling the drum-type hook tooth screening and impurity removal equipment:

[0028] The two ends of the hook tooth shaft 902 of the drum screen 9 are installed in cooperation with the first screen frame 903 and the second screen frame 901 through sliding bearings, and a pinion 904 is added to the left end of the hook tooth shaft 902, so that the pinion 904 and the internal gear 10 Mesh installation; the internal tooth gear 10 is installed in cooperation with the left part of the inner cavity of the first support frame 2, the first support frame 2 and the second support frame are fixedly connected with the support, the first screen frame 903 at the two ends of the trommel 9 and the second screen The frame 901 is respectively connected with the first supporting frame 2 and the second supporting frame through the rolling bearing 8, and the right end of the tro...

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Abstract

The invention introduces the method of drum-type hook-tooth screening and impurity removal, including the use of drum-type hook-tooth screening and removal of impurities to process raw coal, including (1) assembling the drum-type hook-tooth screening and removal of impurities; (2), The drum-type hook-tooth screening and impurity removal equipment is connected to an external power supply; and started; (3), the raw coal is added to the drum-type hook-tooth screening and impurity removal equipment through the transmission or transportation equipment; (4), the raw coal is separated by screening into large Lump material and coal powder. The root of this patent solves the situation that the screen is blocked. The rolling drum and the hook tooth shaft with rotating function are used together to ensure the screening effect; the situation of the screen being blocked is avoided; the transmission device at the bottom of the equipment will screen out The pulverized coal is collected and transported to the left side of the equipment for accumulation, and the larger coal lumps flow out through the opening on the right side of the trommel screen.

Description

technical field [0001] The invention relates to a technique in the field of screening and impurity removal, in particular to a drum-type hook tooth screening and impurity removal method. Background technique [0002] The impurity removal of raw coal generally includes coal washing and screening. [0003] Coal washing: The coal mined directly from the mine is called raw coal. The raw coal is mixed with many impurities during the mining process, and the quality of the coal is also different. The coal with small internal ash and large internal ash are mixed together. Coal washing is an industrial process that removes impurities in raw coal, or classifies high-quality coal and low-quality coal. The products produced after the coal washing process are generally divided into gangue, medium coal, B-grade clean coal, and A-grade clean coal. The finished coal after the coal washing process is usually called clean coal. Through coal washing, the cost of coal transportation can be red...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B07B1/26B07B1/42B07B1/46
CPCB07B1/26B07B1/42B07B1/4609B07B2201/02
Inventor 王海峰吕晓峰
Owner 洛阳益矿机械设备有限公司
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