Electrostatic generation measuring device and method for collision particles

A technology for static electricity generation and measuring devices, which can be used in measuring devices, measuring electrical variables, and material analysis through electromagnetic means, and can solve problems such as complex mechanisms

Pending Publication Date: 2018-06-01
CHINA UNIV OF PETROLEUM (BEIJING)
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to the complexity of the mechanism of static electricity, there is currently no measurement technique based on the generation of static electricity by particle collisions.

Method used

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  • Electrostatic generation measuring device and method for collision particles
  • Electrostatic generation measuring device and method for collision particles

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Embodiment Construction

[0033] The technical solution of the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that these embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention. After reading the present invention, those skilled in the art Modifications to various equivalent forms of the present invention fall within the scope defined by the appended claims of the present application.

[0034] It should be noted that when an element is referred to as being “disposed on” another element, it may be directly on the other element or there may also be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar exp...

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Abstract

The invention discloses an electrostatic generation measuring device and method for collision particles. The device comprises a bracket, a collision body, a Faraday cup, an electrometer and a computer. The collision body is arranged on the bracket. The Faraday cup is located below the collision body. A particle to be measured forms a charged particle after colliding with the collision body and canfall into the Faraday cup, and the charged particle moves to generate a current. The electrometer is electrically connected with the Faraday cup, and is used for measuring the electrostatic capacitycorresponding to the current. The computer is electrically connected with the electrometer, and is used for recording the measured electrostatic capacity. Through the electrostatic generation measuring device and method for collision particles provided by the invention, the size of the static electricity generated by single particle collision can be obtained, the factors affecting electrostatic generation can be determined, and thus, actual production can be guided.

Description

technical field [0001] The invention relates to the technical field of static electricity measurement, in particular to a device and method for measuring static electricity generated by colliding particles. Background technique [0002] Pellets are an important industrial raw material for a wide range of applications, including chemical, energy, pharmaceutical, food and mineral transportation. In the process of particle transportation, the movement of fixed particles with the fluid in the pipeline is complicated, and the collision between the particles and the wall not only brings about wear problems, but also generates a large amount of static electricity. On the one hand, electrical discharges can occur from charged particles, which can cause hazards such as particle coalescence, clogging, sparks, and explosions. In addition, in fluids, such as gas-solid two-phase flow, the static electricity on particles may also affect the measurement accuracy of related instruments and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R29/24G01N27/60
CPCG01N27/60G01R29/24
Inventor 赵彦琳姚军房佳
Owner CHINA UNIV OF PETROLEUM (BEIJING)
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