Pipeline spraying repair device and method

Abstract

The present application relates to a pipeline spraying repair device and method, and relates to the technical field of building construction. It includes a spraying host and a mortar nozzle connected to the spraying host through a feeding pipe. At the wellhead, the support frame is provided with a telescopic joint pipe at the mortar nozzle, and the mortar nozzle and feeding pipe are installed in the telescopic joint pipe. The end of the telescopic joint pipe away from the support frame is provided with a plurality of first branch pipes and second branch pipes. Mortar nozzles are inserted in the branch pipes, and clean water nozzles are inserted in multiple second branch pipes. The clean water nozzles are connected to the spraying host through the water supply pipe. The end of the telescopic joint pipe away from the support frame is also equipped with multiple scrapers and cameras. The camera signal A display screen is connected, and the display screen is set on the spraying host. In this application, the clean water nozzle is used to clean the inner wall of the pipeline or the inner wall of the inspection well, the mortar nozzle is used to spray and repair, and the scraper is used to achieve more comprehensive cleaning or repair.

Description

technical field [0001] The present application relates to the technical field of building construction, in particular to a pipeline spraying repair device and method. Background technique [0002] Industrial and civil liquids and gases are mainly transported by metal pipelines. Due to the corrosiveness of liquids and gases, the inner walls of the pipelines are corroded. If the pipelines are not repaired regularly, it is easy to cause leakage and pollution hazards, and at the same time pollute the transported liquids. [0003] The surface repair of the inner surface of the pipeline usually adopts sandblasting and shot peening surface treatment. The principle is to spray abrasives onto the surface of the workpiece for impact grinding to remove impurities, variegated colors and oxide layers on the surface, and at the same time roughen the surface of the medium to increase the surface area. , so that the adhesion of the coating can be improved, so that the coating can produce th...

AI Technical Summary

Problems solved by technology

[0004] The repair work of metal pipelines in my country is still generally in a backward state of manual work. This method requires a large amount of labor, and the pollution is serious, the environment is harsh, and it is harmful to the health of the staff. At the same time, it cannot form coating anti-corrosion protection after repair. The surface roughness required by the coating, which affects the coating quality and reduces the service life of the pipe

The manual workload and labor intensity of the mechanical cleaning method are too large, and the mechanical cleaning method is not suitable for the inner diameter of the small pipe.

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