A Safe and Reliable Active Oil Static Eliminator

Abstract

The invention provides a safe and reliable active oil product static electricity eliminator. The problem that oil product static electricity in a slim pipeline cannot be eliminated is mainly solved. The eliminator comprises a pipeline, a connecting flange, a discharging pin, an insulation block, an oil product charge density monitor, a positive voltage generating device, a negative voltage generating device and a control device. The static electricity eliminator is connected to the pipeline in series through the connecting flange; the discharging voltage of the discharging pin is controllable;the insulation block is used for ensuring that no high voltage breakdown is caused between the charging pin and the pipeline; the oil product charge density monitor is used for detecting the static electricity charging condition of an oil product in the detecting pipeline, and is connected with the control module through a data line; the positive voltage generating device and the negative voltagegenerating device are used for outputting voltage; the control device receives data of the oil product charge density monitor, and output of the positive voltage generating device or the negative voltage generating device is controlled; when the data detected by the oil product charge density monitor exceeds a threshold value, the control device starts the positive voltage generating device or the negative voltage generating device.

Description

technical field [0001] The invention relates to a static eliminator for oil pipelines in inflammable and explosive places such as petrochemical oil gas storage and transportation, in particular to a safe and reliable active oil static eliminator. Background technique [0002] During the transportation of oil products, a large amount of static electricity will be generated during the transportation of oil products due to reasons such as low electrical conductivity of the oil products, excessive oil delivery speed, and impurities in the oil products. GB 12158-2006 "General Guidelines for the Prevention of Electrostatic Accidents" and GB 13348-2009 "Static Safety Regulations for Liquid Petroleum Products" clearly stipulate that a liquid static eliminator can be installed at the end of the pipeline to reduce static electricity accumulation. However, at present, static eliminators for oil pipelines are mainly passive static eliminators, which eliminate static electricity from oil...

AI Technical Summary

Problems solved by technology

At present, no active oil static eliminator has been applied to oil pipelines with small diameters

And the existing active oil static eliminator exists, when there is no oil in the pipeline or the fluid section of the oil in the pipeline is smaller than the diameter of the pipeline, in both cases a large amount of oil and gas will remain in the pipeline, if the discharge needle at this time If it is exposed to oil and gas, the discharge may directly generate electric sparks in the pipeline, which will detonate the oil and gas and cause danger.

[0003] In order to eliminate the static electricity of the oil in the thin pipeline and prevent the explosion hazard caused by the direct discharge of the discharge needle in the pipeline where the oil and gas are stored, it is necessary to develop a safe and reliable active static eliminator. This invention proposes a safe and reliable active oil product static eliminator

Images