Large-diameter underground pipeline non-excavation rehabilitation method
A technology for underground pipelines and repair methods, applied in the direction of pipe elements, pipes/pipe joints/pipes, mechanical equipment, etc., can solve the problem of neglecting the research and development of complete sets of equipment, and achieve the effect of wide applicable temperature range, accelerated curing, and high degree of automation
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Embodiment 1
[0019] The steps of the technical solution of the present invention are as follows: 1. Collection of internal information of the pipeline; 2. Cleaning of the inner wall of the pipeline; 3. Inspection of the interior of the pipeline; 4. Carrying out leak repair treatment on the damaged part of the pipeline, and cleaning the pipeline by flattening the inner wall; 5. Turning over the lining, Send the CIPP lined hose into the pipeline with a turning device; 6. Use unsaturated polyester solution as the adhesive to heat and solidify the lined hose; 7. After the heating is completed, perform forming and cooling treatment on the pipeline; 8. For The repaired pipeline will be inspected and accepted.
[0020] 1. Collection of internal information of the pipeline: In this step, the damaged pipeline is first isolated and drained, and then the internal information of the pipeline is collected through a special pipeline photography system.
[0021] 2. Cleaning of the inner wall of the pipel...
Embodiment 2
[0029] The steps of the technical solution of the present invention are as follows: 1. Collection of internal information of the pipeline; 2. Cleaning of the inner wall of the pipeline; 3. Inspection of the interior of the pipeline; 4. Carrying out leakage repair treatment on the damaged part of the pipeline, and cleaning the pipeline by flattening the inner wall; 5. Turning over the lining, Send the CIPP lined hose into the pipeline with a turning device; 6. Heat and solidify the lined hose; 7. After the heating is completed, shape and cool the pipeline; 8. Test and accept the repaired pipeline.
[0030] 1. Collection of internal information of the pipeline: In this step, the damaged pipeline is first isolated and drained, and then the internal information of the pipeline is collected through a special pipeline photography system.
[0031] 2. Cleaning of the inner wall of the pipeline: Use special cleaning equipment to remove the sediment and iron filings in the pipeline, and ...
Embodiment 3
[0039] The steps of the technical solution of the present invention are as follows: 1. Collection of internal information of the pipeline; 2. Cleaning of the inner wall of the pipeline; 3. Inspection of the interior of the pipeline; 4. Carrying out leakage repair treatment on the damaged part of the pipeline, and cleaning the pipeline by flattening the inner wall; 5. Turning over the lining, Send the CIPP lined hose into the pipeline with a turning device; 6. Heat and solidify the lined hose; 7. After the heating is completed, shape and cool the pipeline; 8. Test and accept the repaired pipeline.
[0040] 1. Collection of internal information of the pipeline: In this step, the damaged pipeline is first isolated and drained, and then the internal information of the pipeline is collected through a special pipeline photography system.
[0041] 2. Cleaning of the inner wall of the pipeline: Use special cleaning equipment to remove the sediment and iron filings in the pipeline, and ...
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