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• Dec.05,2025

  Overcoming Challenges Faced by Pipe Crawler Robots in Navigating Complex Pipe Networks

  In recent years, the use of pipe crawler robots has become increasingly prevalent in various industries such as oil and gas, water management, and construction. These innovative robots are designed to navigate through intricate pipe networks with ease, carrying out inspections, maintenance, and repairs efficiently. However, despite their advanced capabilities, pipe crawler robots face several challenges when operating in complex pipe networks. In this blog post, we will explore some of the common obstacles faced by these robots and how engineers are working to overcome them.

• Dec.05,2025

  Inserted Lining High-Density Polyethylene (HDPE) Pipeline Repair Technology

  Inserted lining high-density polyethylene (HDPE) pipe is a brand new pipe rehabilitation technology. The technology is to insert a HDPE pipe of suitable size into the old pipe that needs to be repaired. It takes advantage of the rigidity and strength of the old pipeline as the bearing structure, as well as the characteristics of HDPE pipe's corrosion resistance, wear resistance and permeability resistance, to form a "pipe in pipe" composite structure, so that the repaired pipeline has the comprehensive performance of steel pipe and HDPE pipe. This technology, by using the feature of HDPE pipe that it can automatically recover its original physical shape after deformation, is to retract HDPE pipe with special equipment. Before inserting, the lining pipe is pulled into the target pipe with a certain traction force as well as speed. Then the pulling force is removed and the liner is restored to its original diameter and tightly bonded with the outer pipe. The outer diameter of the lineing pipe is slightly larger than the inner diameter of the original tube. After the lining is completed, the lining pipe and the original tube are firmly combined and the thickness of the liner can be designed according to the needs.

• Dec.05,2025

  Trenchless Rehabilitation Technology and Application of Pipeline Lining

  Since the rise of pipeline trenchless rehabilitation technology in developed countries in the 1980s, it has become a widely used method for underground pipeline rehabilitation. By avoiding large-scale excavation, this technology reduces the impact on urban traffic, the environment, and residents' lives, hence gaining extensive attention and preference. This article will provide a detailed introduction to the main methods and application fields of trenchless rehabilitation technology and analyze its important role in urban network renovation.