Material for municipal pipelines maintenance and service and assessment

Key items for UV cured CIPP operation and construction:

Inner layer breakage

The inner layer of the UV curing repair material is a plastic film, which is easy to be damaged due to improper operation during construction

Once it is scraped, the materials in this section are basically discarded, and there are basically no rescue measures. Therefore, protecting the inner membrane of materials during construction is the key and difficult point of construction.

The dragging and curing operation of materials is also very important in construction. Here, the causes of inner membrane damage are summarized to ensure the actual construction

It does not occur during work.

Binding head

To bind the binding head, first check whether the binding head has any damage or burr, whether it is clean, and whether there is any sharp thorn formed after resin curing, in case of any of the above conditions, the burr must be cleaned, the burr must be ground flat, and multi-layer winding film must be wound to protect the binding head from pollution, which also serves to isolate the binding head from the inner membrane of the material, so as to protect the inner membrane from being damaged by sharp burr. In particular, the keel must be wound for several more circles.

Handle the binding head with care. If the binding head hits the inner membrane of the material, it is easy to bump the inner membrane of the material.

When binding the head, more materials must be bound and bound firmly to ensure that the head will not jump out during pressure.

Being jumped out may cause damage to the inner membrane, which is unfavorable for the smooth construction. In serious cases, it may cause construction failure and threaten personal safety. Although it is possible to rebind the head, the secondary binding head is difficult to operate and is not easy to bind firmly. Especially DN800 and above materials.

Daoyunai Energy Saving Technology Limited has been committed to manufacturing trenchless CIPP UV cure systems with liners and CCTV inspection crawlers for underground pipelines to service customers all over the world.

The product range covers four series and more than 20 models in the underground pipeline trenchless repair industry:

1. UV curing and repair integrated system D919: LED lamp curing and high-voltage mercury lamp curing.

2. UV cure liner: from diameter DN200 up to DN1800

3. Hot water cure liner: impregnated liner to invert by water gravity and cure by hot water

4. Pipeline inspection robots crawler D18 and D18s: CCTV video inspection of pipeline defects

5. Pipeline periscope D16S: quickly  view the internal defects of the pipeline

Headquartered in Shanghai, Daoyunai has a number of independent intellectual property rights and also has a manufacturing base and R&D and testing center in Suqian City, Jiangsu Province, covering an area of more than 35000 square meters, which fully implements the international quality management system.

Focused on producing trenchless CIPP system with liners and inspection CCTV

Committed to providing solutions for reducing costs and improving efficiency