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Coarse particle separator

A powder separator and coarse particle technology, applied in centrifuges, solid separation, and separation of solids from solids by air flow, etc., can solve the problems of short screen life, small processing capacity, low screening efficiency, etc. Efficiency improvement, processing power, and height reduction effects

Inactive Publication Date: 2009-08-05
湖南广义科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Some small-sized high-frequency sieves and rotary vibrating sieves can sieve finer powders, but these dry sieving machines have small screen penetration, low screening efficiency, small processing capacity, and short screen life.

Method used

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  • Coarse particle separator
  • Coarse particle separator
  • Coarse particle separator

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Embodiment 1: refer to figure 1 , this embodiment includes upper machine cover 11, transmission wheel 1, bearing seat 2, feed port 3, main shaft 4, feed cone 12, feeder disc 5, air inlet pipe 6, inner shell 7, coarse powder outlet 701 , the lower casing 8, the fine powder outlet 801, the upper casing 9, characterized in that the bearing seat 2, the feeding port 3, and the feeding cone 12 are installed on the upper machine cover 11, and the transmission wheel 1 and the main shaft 4 1. The distributing disc 5 forms a rotatable rotor part, and the main shaft 4 is installed on the bearing seat 2 through a bearing; the outer shell is composed of an upper outer shell 9 and a lower outer shell 8. The outside of the machine is used for the installation of the machine; the fine powder outlet 801 is located at the lower part of the lower outer shell 8; the inner shell 7 is placed in the machine cavity formed by the upper outer shell 9 and the lower outer shell 8, and the upper T...

Embodiment 2

[0016] Embodiment 2: refer to figure 2 Compared with Embodiment 1, the present embodiment differs only in that a screen 13 is added between the opening 702 above the inner casing 7 and the upper cover 11, so that the fine powder materials passing through the screen holes can enter the fine powder area, The second classification is realized, so as to ensure the strict control of the particle size of the fine powder. There are two differences from ordinary sieve screening materials: one is that the materials entering the sieve have been classified, and the sieve only needs to block a small amount of coarser particles from entering the fine powder area, unlike ordinary sieves that need to process all materials; The material of the sieve is suspended in the gas, which has high screening efficiency and is not easy to block the sieve holes, unlike ordinary sieves that rely on gravity field to sieve materials. Because the existing gas and powder channels in the structure are used t...

Embodiment 3

[0017] Embodiment 3: refer to image 3 Compared with Embodiment 1, this embodiment differs only in that a through-type annular powder selection blade 14 is added between the opening 702 above the inner casing 7 and the upper machine cover 11, and the through-type annular powder selection blade 14 is included When the powder gas passes through, only fine materials that meet the particle size requirements can enter the fine powder area, realizing the second classification, so as to ensure strict control of the particle size of the fine powder. Simple structure and high classification efficiency.

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Abstract

The present invention discloses a coarse granules sorting machine. It is a vertical structure, and includes the following several portions: bearing seat, feeding mouth, driving gear, main shaft, discharge cone, material spreading tray, inner shell body, outer shell body, coarse power outlet and fine powder outlet. Said invention can be used for sorting coarse granules material whose grain size is 0.175mm-3mm, and its sorting efficiency is high.

Description

technical field [0001] The invention relates to a device for dry separation of powder materials, in particular to a device for dry separation of coarse particle powder materials used in industries such as non-metallic ore and new materials. Background technique [0002] Commonly used dry powder separators in industry mainly include centrifugal type, cyclone type, rotor type, etc. Their common feature is to use wind force to blow the material from bottom to top, and when the material is blown to the grading rotor or small wind blade that acts as a fence , the coarser material falls into the coarse powder area due to the downward force greater than the upward air force due to gravity, centrifugal force, etc., and the fine powder continues to enter the fine powder area. Since these powder classifiers adjust the fineness of the finished powder by changing the number of small fan blades and the rotating speed of the classifying impeller, they must have a large classification heig...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B07B7/083B04B5/12
Inventor 夏纪勇
Owner 湖南广义科技有限公司