Inservice underground pipe line on-line internal coating protection construction equipment
An underground pipeline and inner coating technology, which is applied in the direction of mechanical equipment, pipe components, pipes/pipe joints/pipe fittings, etc., can solve problems such as unavoidable, high construction costs, complicated processes and tooling equipment, etc., and achieve extended service life, The effect of broad market prospects
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[0056]The main construction equipment and tooling of the underground pipeline plugging repair and internal coating anticorrosion of the present invention are on-site or field operation equipment engineering vehicles, including: pigging equipment, online internal coating equipment, internal coating quality inspection equipment and the like.
[0057] As shown in Figure 6, a schematic diagram of the pig pigging operation. The pigging equipment includes: engineering truck 1, pressure recorder 2, pig signal transmitter 3, PIG pig 4, engineering truck 1 is equipped with generator and air compressor, and the pipeline to be processed is connected with pressure recorder 2. A pig signal transmitter 3 is provided on the PIG pig 4 in the pipeline to be processed.
[0058] Its working process is as follows:
[0059] (1) Use compressed air as power to push the pipe pig pig with knives to remove the scale and rust in the pipeline. If necessary, repeat the process until the scale and rust in the ...
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