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Apparatus for classifying charge material

A charging and sieve technology, which is used in the separation of solids from solids by air flow, solids separation, chemical instruments and methods, etc., can solve the problems of high installation height and high cost

Active Publication Date: 2013-03-06
KRUPP POLYSIUS AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The embodiment with two separate cascade screens and two separate bar screens results in relatively high costs
However, the variant with a common cascade screen is also relatively expensive, since the cascade screen requires a high installation height due to its unfavorable width / height ratio at high throughputs

Method used

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  • Apparatus for classifying charge material
  • Apparatus for classifying charge material
  • Apparatus for classifying charge material

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0025] Such as Figure 1 to Figure 3 The shown device 100 for screening a charge essentially consists of a static screen 1 having a ventilated base 1a oriented at an angle to vertical and through which screening gas 2 flows; an inlet hole 3 for The charge 9 is conveyed to the ventilation base; the outlet hole 4, which is used for the coarse-grained charge; the dynamic screen 5, which is located downstream and comprises at least one rotor 5a; and at least one outlet hole 6, which An outlet hole 6 is provided for the screen gas 2' laden with the fines charge.

[0026] The ventilated base 1a is arranged at an angle a relative to vertical of from 20° to 70°, preferably from 30° to 60°. In the exemplary embodiment, the surface of the ventilation base 1a is planar and equipped with ventilation openings 1b, in particular ventilation slots (cf. image 3 ).

[0027] The ratio of width b to vertical height h of the ventilated base la is at least 0.45, preferably at least 0.6. Corres...

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PUM

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Abstract

The device has a static separator (1) with an inclined aeration base (1a) through which separator gas (2) flows, where the aeration base is arranged in a vertical direction. An inlet opening (3) feeds raw material (9) to the aeration base, and an outlet opening (4) is provided for coarse particles. A downstream dynamic separator (5) has a rotor (5a) and another outlet opening for the separator gas loaded with fine particles. A ratio of breadth to height of the aeration base is 0.6.

Description

technical field [0001] The invention relates to a device for screening a charge having a static sieve with a ventilated base oriented at an angle to the vertical and through which screening air passes, and a dynamic sieve arranged downstream. Background technique [0002] German patent DE 42 23 762 describes a sieve for sifting granular charges, which sieve has a bar-cage screen and upstream of it a cascade of screens in the form of shafts. The cascading screen has two opposing axis-defining walls which are inclined with respect to the vertical and which form between them a primary screening area permeable to screening air. The shaft-defining wall is formed by obliquely arranged guide strips, through which the air is screened to flow transversely. The cascade screen operates in a closed loop with the bed mill, the guide bars serving to break up, ie crush, the rough material formed in the bed mill. The charge is fed to the cascading screen from the top and descends onto the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B07B9/02B07B4/08
CPCB07B4/08B07B9/02
Inventor L·科宁E·博恰德特O·哈葛梅尔F·-J·祖霍夫
Owner KRUPP POLYSIUS AG