Petrolatum spraying equipment for pipeline corrosion prevention

Abstract

The invention relates to petrolatum spraying equipment for pipeline corrosion prevention. The petrolatum spraying equipment for pipeline corrosion prevention comprises a pipeline, a spraying device and a traction device, the spraying device comprises a coating barrel, walking mechanisms are arranged at the two ends of the outer side wall of the coating barrel, a stirring shaft is rotationally arranged in the coating barrel, a plurality of stirring paddles are arranged on the stirring shaft at intervals, one end of the stirring shaft extends out of the coating barrel and is in transmission connection with a driving motor, the other end of the stirring shaft extends out of the coating barrel and is fixedly connected with a hollow rotating shaft, a plurality of feeding holes are formed in theouter side wall of one end, close to the coating barrel, of the rotating shaft, sealing covers rotationally cover the outer part of the end, the sealing covers are fixedly arranged on the outer end walls of the corresponding coating barrels, the bottoms of the sealing covers communicate with the inner bottoms of the coating barrels through feeding pipes, the other end of the rotating shaft communicate with spraying discs, a plurality of sprayers are arranged on the spraying discs in the circumferential direction, a pressure control valves, a feeding pump and rotating discs are arranged on therotating shaft, and multiple sets of cleaning brushes are arranged on the rotating discs in the circumferential direction at intervals. Automatic cleaning and spraying operation of the pipeline can be achieved, and the spraying efficiency and the spraying quality can be greatly improved.

Description

technical field [0001] The invention belongs to the technical field of spraying, and in particular relates to a petrolatum spraying equipment for pipeline anticorrosion. Background technique [0002] Pipeline anticorrosion refers to measures to slow down or prevent pipelines from being corroded and deteriorated under the chemical and electrochemical action of internal and external media or by microbial metabolic activities. Preventing pipeline corrosion is an important part of pipeline engineering. Existing pipelines mostly use coating anti-corrosion methods. First, select appropriate anti-corrosion coatings according to the material of the pipeline itself and the usage scenario, and then spray the pipelines to form an anti-corrosion coating to anti-corrosion the pipelines. [0003] Petrolatum is a semi-liquid mixture of alkanes or saturated hydrocarbons, also called vaseline, which is obtained by fractional distillation of petroleum. It has strong water resistance, and its...

AI Technical Summary

Problems solved by technology

In the existing technology, when spraying petrolatum on the inner wall of the pipeline for anti-corrosion work, most of them still use the method of manual hand-held spray gun extension spraying, which has problems such as inconvenient operation, difficult construction, time-consuming and labor-intensive, which seriously affects the spraying efficiency, and Due to the limited view of the pipeline from the outside, the spraying accuracy is low, the spraying is not uniform and thorough, and the spraying effect cannot be guaranteed

In addition, for some old pipelines, it is necessary to clean the inner wall of the pipeline before spraying the anti-corrosion coating to ensure the spraying effect. The process is more cumbersome and the labor cost is high, which needs to be improved

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