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Energy-saving eddy current powder selecting machine

A powder classifier and eddy current technology, applied in the direction of separating solids from solids with airflow, solid separation, chemical instruments and methods, etc., can solve problems such as energy waste, complex structure, increased energy consumption and production costs, and achieve The effect of reducing energy consumption and saving production costs

Inactive Publication Date: 2020-05-01
HEBEI UNIVERSITY OF SCIENCE AND TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The fine powder collection of the existing eddy current separator generally adopts a cyclone separator or a bag filter, that is, the air flow carries fine particles from the vortex separator and is connected to the cyclone separator or bag filter through a certain length of pipeline, and the air flow is separated in the cyclone. A new rotation effect is regenerated in the container, and the fine particles are collected under centrifugal force. Although this collection method is effective, the structure is relatively complicated, which increases energy consumption and production costs.
Known from the existing knowledge, the helical air flow in the fine powder outlet of the cage rotor still has a large rotational kinetic energy, however, there is no powder classifier in the prior art to use this energy for fine powder collection, resulting in a waste of energy

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Example 1 Energy-saving eddy current powder separator

[0021] This example figure 1 , image 3 As shown, an energy-saving eddy current powder separator includes a powder selection chamber 1, a cage rotor 2 disposed in the powder selection chamber 1, and a drive device 3 fixed on the powder selection chamber 1 for driving the cage rotor 2 to rotate . The upper part of the powder selection chamber 1 ( figure 1 The upper part) is cylinder 1.1, the lower part ( figure 2 The lower part) is fixedly connected with a cone 1.2, and the end face of the cone 1.2 with a smaller diameter (the end face of the end not connected to the cylinder 1.1) is provided with a coarse powder outlet 7. One end of the cylinder 1.1 that is not connected to the cone 1.2 is closed, and a fine powder outlet 6 is connected to the closed end surface. The fine powder outlet 6 is fixed with a conical nozzle 9. Rotate to generate high rotational kinetic energy airflow at the fine powder outlet 6, th...

Embodiment 2

[0026] Example 2 Energy-saving eddy current powder separator

[0027] The structure of this embodiment is basically the same as that of Embodiment 1, the difference is the way the cage rotor 2 is placed, the positions where the feed inlet 5 and the air inlet 4 are set.

[0028] Such as figure 2 As shown, the cage rotor 2 of this embodiment is placed horizontally, that is, the rotating shaft 3.4 of the driving device 3 is placed horizontally, and the fine powder outlet 6 is located on the right side of the cylinder 1.1 ( figure 2 Right side), that is, the fine powder outlet 6 is formed on the right side of the cage rotor 2, and the fine powder outlet 6 is fixed with a conical nozzle 9, and the conical nozzle 9 is fixedly connected to the fine powder collector 10. The feed inlet 5 is located on the top of the cylinder 1.1, that is, on the closed surface of the cylinder 1.1. In this embodiment, there are two air inlets 4 symmetrically, and both are fixed on the cone 1.2, and ...

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Abstract

The invention discloses an energy-saving eddy current powder selecting machine, and belongs to the technical field of powder selecting. The energy-saving eddy current powder selecting machine comprises a powder selecting chamber provided with a feeding inlet, an air inlet, a coarse powder outlet and a fine powder outlet, a cage-type rotor arranged in the powder selecting chamber and located at thefine powder outlet, and a driving device fixedly arranged on the powder selecting chamber for driving the cage-type rotor to rotate; and a conical nozzle spraying out fine powder materials through rotating airflow with high energy at the fine powder outlet is fixedly arranged at the fine powder outlet, the other end of the conical nozzle is connected with a fine powder collector, and an airflow outlet and a fine powder collection opening are formed in the fine powder collector. The energy-saving eddy current powder selecting machine realizes separation and collection of fine powder through the airflow with the high rotational kinetic energy at the fine powder outlet, the utilization rate of the energy is effectively increased, meanwhile, a cyclone separator is omitted, and the productioncost is saved.

Description

technical field [0001] The invention belongs to the field of classification of powdery materials, and relates to a powder separator, in particular to an energy-saving eddy current powder separator. Background technique [0002] The eddy current powder separator is widely used in building materials, food, medical treatment, metallurgy, chemical industry and other fields. The cage rotor composed of multiple blades is the core component of the powder separator. According to the installation method of the cage rotor, it is divided into vertical type and horizontal type. Type two types of eddy current powder separators, in the actual operation process, whether it is a vertical airflow separator or a horizontal airflow separator, the airflow carries fine particles into the cage rotor and still maintains a high rotation speed, such as the Chinese invention Patent ZL201110136546 discloses a double-separation impeller classifier, which utilizes the distribution characteristics of the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B07B7/083B07B11/02B07B11/06
CPCB07B7/083B07B11/02B07B11/06
Inventor 孙占朋梁龙龙刘春雨杨光崔彦平
Owner HEBEI UNIVERSITY OF SCIENCE AND TECHNOLOGY