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Pipeline type powder bunker electrostatic remover

A static eliminator and powder technology, applied in the direction of static electricity, electrical components, etc., can solve problems such as out of control, large fluctuations in charging, AC or DC eliminators can not achieve the ideal power dissipation efficiency, etc.

Inactive Publication Date: 2004-11-24
JIANGSU DONGQIANG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to effectively control the occurrence of explosion accidents caused by static electricity, people always give priority to how to suppress and eliminate static electricity. Large, uneven distribution, coupled with the inconsistency of the critical charge-to-mass ratio in each working environment, and many other reasons, it is impossible for AC or DC electrical appliances to achieve the ideal efficiency of electricity removal. This problem of static electricity elimination that people have been concerned about for a long time has not been found. Effective technical means, but still rely on process operating conditions and combustible gas control to reduce the probability of explosion, but this method has many influencing links, such as process fluctuations, poor maintenance, etc., and it is very easy to get out of control. Not high enough to avoid accidents

Method used

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  • Pipeline type powder bunker electrostatic remover
  • Pipeline type powder bunker electrostatic remover
  • Pipeline type powder bunker electrostatic remover

Examples

Experimental program
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Embodiment Construction

[0011] figure 1 In the pipeline-type powder silo static eliminator shown, a ring-shaped positive pressure air chamber 1 is sleeved on the outer wall of the air-conveyed material delivery pipe 3, and the positive pressure air chamber 1 is provided with an air supply connected to a high-pressure air source. Port 2, high voltage module 10 and cable connector 5 are also arranged on the positive pressure air chamber 1; on the outer wall of the delivery pipe 3 in the positive pressure air chamber 1, two discharge needles 7 are arranged along the circumference of the wall, and the discharge of each row There are eight needles 7, and the discharge needles for positive ion discharge and negative ion discharge are arranged alternately at intervals; the discharge needles between the two rows are also vertically staggered. This symmetrical arrangement is conducive to positive and negative ion discharge. Evenly diffuse into the delivery pipe, thereby enhancing the effect of electricity eli...

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Abstract

In the present invention, spray points of positive ion and negative ion electrodischarging are electric-connected with positive ion high voltage module and negative high voltage module which are connected at output end of voltage regulator, the spray points is passed through into material conveying pipe and is set on material conveying pipe through its base, spray point base has positive pressure ventilation cavity which is connected through to positive pressure gas chamber.

Description

Technical field [0001] The invention relates to a static elimination device used in a pipeline for conveying powder materials in the petrochemical industry. Background technique [0002] In the petrochemical industry, in the process of blowing polyolefin and other powder materials by air, there are inevitably mutual collisions and frictions, which cause the materials to generate and carry a large amount of static charge, especially for large silos in the petrochemical industry, which induces powder discharge. The required critical mass is relatively small, the discharge frequency is high, and with the increase of materials in the bin, the concentration of combustible gas above the stockpile increases, and the energy required for ignition decreases, which can easily induce dust explosion and combustion in the bin, and even cause A major safety accident that resulted in the destruction of the aircraft. In order to effectively control the occurrence of explosion accidents caus...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05F3/04
Inventor 谭凤贵王子纯
Owner JIANGSU DONGQIANG
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