Pipeline cleaner with automatic blockage removal function

A pipe cleaner and pigging technology, which is applied in the direction of cleaning hollow objects, cleaning methods and appliances, chemical instruments and methods, etc., can solve the problems of high structural strength, broken pipes and balls, etc., to reduce the frequency of replacement, prevent eccentricity, The effect of reducing the probability of jamming

Active Publication Date: 2018-01-09
CHINA NAT OFFSHORE OIL CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If there are many impurities in the front and the structural strength is high, the blockage of the pig can generally not be solved by the above methods, and the pipe can only be broken to take the ball, resulting in heavy losses

Method used

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  • Pipeline cleaner with automatic blockage removal function
  • Pipeline cleaner with automatic blockage removal function
  • Pipeline cleaner with automatic blockage removal function

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0018] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0019] Such as figure 1 , figure 2 As shown, the present invention provides a pipeline pig with the function of self-blocking removal, which includes a pigging device and a plugging removal device. The front end of the pigging device is provided with a plugging removal device. Inside Wall 1.

[0020] The pigging device includes a pigging cup 2 and a pig main body, and the pigging cups 2 are arranged on the main body of the pig at intervals.

[0021] The main body of the pig includes the pipe wall of the pig 3, the fixed shaft of the pig cup 4, the rotating drive of the shearing and crushing cutter head 5, the rotating transmission shaft 6, the driving motor 7, the power joint (large-capacity lithium battery) 8 and the shearing Start and stop control section 9; wherein, the pigging cup fixed shaft 4 is a hollow shaft. The inner wall of the pig pip...

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PUM

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Abstract

The invention relates to a pipeline cleaner with an automatic blockage removal function. The pipeline cleaner with the automatic blockage removal function is characterized by comprising a pipeline cleaning device and a blockage removal device. The blockage removal device is arranged at the front end of the pipeline cleaning device and comprises shearing breaking tool bit reinforcement front teeth,a shearing breaking tool bit blade and a buckle connector, and the shearing breaking tool bit reinforcement front teeth and the shearing breaking tool bit blade form a shearing breaking tool bit. Theroot of the shearing breaking tool bit is connected with the pipeline cleaning device through the buckle connector. The pipeline cleaner with the automatic blockage removal function guarantees that under the condition that high-strength impurities accumulate in front of the pipeline cleaner, the blockage removal tool, namely, the shearing breaking tool bit, of the pipeline cleaner can be used forshearing the impurities in front at a high speed, the structure strength of the impurities is lowered, and smooth passing of the pipeline cleaner is realized.

Description

technical field [0001] The invention relates to a pipeline pigging device, in particular to a pipeline pig with the function of self-blocking removal applied in the field of oil and gas pipelines. Background technique [0002] During the pigging process of the pipeline, production accidents often occur that the pig is stuck in the pipeline due to the accumulation of impurities in the pipeline. If the stuck pig cannot be cleaned out of the pipeline, the pipeline cannot operate normally, resulting in Major safety production accidents in which downstream gas sources and users stop transmission not only cause serious economic losses, but also pose a huge safety hazard to the pipeline itself. When the existing pipeline pig is blocked, the solution is very limited. In addition to using the upstream and downstream to increase the pressure difference to force the pig to pass, it is to send the pig again to break the pig hard. If there are many impurities in the front and the struct...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B08B9/057B08B13/00B02C18/14B02C18/18
Inventor 杨宏伟付子航刘方冯亮杨玉霞黄洁馨
Owner CHINA NAT OFFSHORE OIL CORP
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