Paraffin clearing operation pipeline robot

Abstract

The invention discloses a paraffin clearing operation pipeline robot. The robot is composed of an energy supplying device, a walking device, a clearing device, a paraffin collecting device, a paraffinpreventing device and a connecting device; the energy supplying device is composed of storage batteries and is used for robot walking, clearing and collecting and paraffin preventing device rotating;the walking device is composed of three groups of sliding grooves, hydraulic supporting rods and crawler belts which are uniformly distributed in the circumferential direction, and the walking deviceis used for self-adaption of actual working conditions of different pipe diameters and different ovality; the paraffin clearing and collecting devices are composed of spiral clearing cutter heads anda spiral conveying rod, and used for clearing paraffin and transporting the paraffin to the collecting device and simultaneously utilizing a chemical reagent to perform dissolving to reduce the weight; the paraffin preventing device is composed of a spray head and a microorganism cultivating tank and is used for uniformly and widely spraying mixed bacteria on the inner wall of a pipeline to prolong the paraffin clearing cycle; and the ball socket type connecting device is composed of a ball head hydraulic rod and a socket-shaped groove, and the ball head hydraulic rod extends and compresses during turning, so that the robot can smoothly pass through a bend and flexibly rotate. The robot can be widely applied to solution of the paraffin clearing problem of an oil conveying pipeline, can improve the operation method, improve the operation efficiency and save the operation cost, and can better guarantee the pipeline transportation safety.

Description

technical field [0001] The invention belongs to the technical field of pipeline robots, in particular to a pipeline robot for paraffin wax cleaning operation. Background technique [0002] According to statistics, the wax content of 90% of my country's crude oil is between 20% and 40%. With the change of external conditions during transportation, paraffin gradually precipitates in crude oil, crystallizes, and precipitates on the inner wall of the pipeline. Viscosity increases, reducing flow area, increasing flow resistance, further increasing consumption, reducing output, and in severe cases, dangerous accidents will occur if the pipeline is blocked. Traditionally, mechanical, thermal, and chemical reagents are used to remove wax, and coatings, strong magnetism, and cold flow are used to prevent wax. However, the internal environment and operating conditions of the pipeline are complex, the work efficiency is low, and the operating cost is high. Therefore, a Pipeline robots ...

AI Technical Summary

Problems solved by technology

[0002] According to statistics, the wax content of 90% of my country's crude oil is between 20% and 40%. With the change of external conditions during transportation, paraffin gradually precipitates in crude oil, crystallizes, and precipitates on the inner wall of the pipeline. Viscosity increases, reducing flow area, increasing flow resistance, further increasing consumption, reducing output, and in severe cases, dangerous accidents will occur if the pipeline is blocked

Traditionally, mechanical, thermal, and chemical reagents are used to remove wax, and coatings, strong magnetism, and cold flow are used to prevent wax. However, the internal environment and operating conditions of the pipeline are complex, the work efficiency is low, and the operating cost is high. Therefore, a Pipeline robots have important scientific significance and obvious socioeconomic benefits

[0003] The traditional pipe wax removal robot has low adaptive pipe diameter change ability, insufficient driving force, easy to cause jamming, and poor curve passability; the paraffin is cleaned by mechanical scraping during the walking process, and the paraffin accumulated after the operation is not collected. ; The wax removal cycle of the pipeline is short, usually between 1 and 3 months, and the cost of each wax removal is relatively high

And there are unsafe factors in the smooth and reliable operation of pipeline robots

[0004] In view of the immature application of domestic pipeline robots, under the actual industrial demand, different from the traditional design and development, aiming at the easy jamming phenomenon in the process of cleaning paraffin at the thick layer of wax deposits, an efficient and environmentally friendly, low cleaning cost is invented. , a pipeline robot with variable diameter, flexible bending, and can collect the paraffin accumulated after operation to avoid jamming, and prolong the wax removal cycle through the anti-wax technology

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