Intelligentize device used for fine material pipeline pneumatic conveying monitoring

A pneumatic conveying and pipeline technology, applied in the field of online monitoring devices, can solve the problems of complex algorithm, large amount of calculation, poor reliability, etc., and achieve the effect of less operation and maintenance, low cost, and overcoming measurement errors.

Inactive Publication Date: 2008-05-21
TIANJIN UNIV
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

However, the algorithm is complex, the amount of calculation is large, and the reliability is poor.

Method used

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  • Intelligentize device used for fine material pipeline pneumatic conveying monitoring
  • Intelligentize device used for fine material pipeline pneumatic conveying monitoring

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Embodiment Construction

[0015] The intelligent device for powder pipeline pneumatic conveying monitoring of the present invention will be described in conjunction with the accompanying drawings and examples. The arrows near the axis of the pipeline in Figure 1 represent the flow direction of the powder in the delivery pipeline.

[0016] As shown in Figure 1, the intelligent device for powder pipeline pneumatic conveying monitoring of the present invention is installed on the powder material conveying pipeline 6, and the device includes an organic casing 7, which includes static electricity connected by electricity in the casing 7. The sensor electrode array 1 and the electronic circuit board 10 , the electronic circuit board 10 includes a signal processing acquisition unit 2 , a data processing unit 3 , a system control unit 4 and a user interface unit 5 connected electrically. The device picks up the electrostatic signal induced by the powder in the conveying pipeline through the electrostatic senso...

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Abstract

The present invention provides an intelligent device used for monitoring a powder pipe pneumatic conveying. The present invention comprises an electrostatic sensor electrode array, an electronic circuit board and a casing. The electrostatic sensor electrode array and the electronic circuit board which are electrically connected are fixed on the casing which is shielded. The electronic circuit board consists of a signal processing unit, a data processing unit, a system control unit and a user interface unit. The device uses the electrostatic sensor electrode array which is embedded on the inner wall of a transmission pipeline in non-invading way to pick up the electrostatic signal sensed by the powder in the transmission pipeline and give the velocity and flow state of the powder in the transmission pipeline. The beneficial effects are that the device carries out online real time monitoring to the velocity and flow state of the powder; the flow of the powder is not interfered by the electrode; the present invention is of no abrasion problem and little operational maintenance. The present invention overcomes the measurement error caused by improper selection of electrode center distance and enlarges the measurement ranged of the velocity. The present invention is of accurate measurement result and stable and reliable device and can be used for the powder pneumatic conveying monitoring in power, cement, food and other industries.

Description

technical field [0001] The invention relates to an online monitoring device, in particular to an intelligent device for monitoring pneumatic conveying of powder material pipelines. Background technique [0002] The powder pneumatic conveying process is a complex gas-solid two-phase flow process. This process exists in a large number of various industrial production processes. For example, coal-fired thermal power plant primary air powder delivery, wind pipeline transportation of cement, pneumatic transportation of flour in food factories, etc. The flow velocity of the powder in the conveying pipeline is an important independent measurement parameter. If the flow rate is too slow, some powder will break away from the fluidized state and gradually deposit at the bottom of the pipeline, which will lead to pipeline blockage in severe cases. Therefore, the powder velocity must be large enough to ensure that the powder is in a fluidized state. On the contrary, if the powder fl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/048G01P5/08
Inventor 闫勇邵嘉庆
Owner TIANJIN UNIV
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