CIPP Liner Reel Control for Precise Deployment and Less Waste
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Solution Overview
Problem
Existing CIPP liner systems face challenges in efficiently dispensing and managing UV cured-in-place pipe liners due to their bulkiness and fragility, making handling and deployment difficult, especially in large pipes, where excess material is often discarded or requires cumbersome transportation and handling.
Innovation Solution
A CIPP liner reel system comprising a frame connected to a reel and drive unit, which allows for controlled winding and unwinding of the liner using a connector unit and guide members, enabling efficient deployment and transportation without affecting operation, including coupling with a tractor for easier handling and reduced material waste.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of moving object
If UV cured CIPP liners are used for pipe rehabilitation, then curing time is reduced and installation speed is improved, but the liners become bulky and heavy making handling difficult
Solution Approach 1:
The CIPP liner is divided into multiple sections or segments that can be handled separately. Each segment can be managed independently, reducing the handling burden of any single piece while maintaining the overall functionality of the complete liner system.
Solution Approach 2:
A reel system serves as an intermediary device between storage and installation. The reel allows the heavy, bulky liner to be supported and dispensed in a controlled manner, reducing the physical handling requirements and making the heavy weight manageable during installation.
2Quantity of substance
If a large section of CIPP liner is transported to the insertion point for large pipes, then sufficient material is available for installation, but moving and handling the material becomes difficult
Solution Approach 1:
The liner is stored and transported in a coiled configuration on a reel rather than as a straight section. This dimensional change from linear to circular storage allows large quantities of material to be compacted into a manageable form that is easier to transport and deploy.
Solution Approach 2:
The reel acts as an intermediary storage and deployment mechanism that holds large quantities of liner material in a compact, manageable form. The reel system enables easy dispensing of the required amount at the insertion point without requiring manual handling of the entire length.
3Productivity
If excess CIPP liner is pulled through the host pipe during installation, then the liner can be installed, but the excess material must be returned or discarded creating waste
Solution Approach 1:
The reel system serves as an intermediary that enables precise control over liner dispensing. The liner can be fed from the reel at a controlled rate, allowing the installer to stop exactly when the correct length is deployed, eliminating the need to pull excessive material through the pipe and reducing waste.
Solution Approach 2:
The reel system allows the liner to be dispensed on-demand as needed during installation. The installer can control the dispensing rate and stop point, enabling self-regulated material usage that matches the actual installation requirements and minimizes excess material that would need to be returned or discarded.
4Volume of moving object
If CIPP liner is stored in a liner box using accordion fold, then compact storage is achieved, but dispensing the liner becomes difficult
Solution Approach 1:
The liner is stored in a coiled configuration around a reel rather than folded in an accordion pattern. This dimensional change from folding to coiling allows the liner to be compactly stored while maintaining its integrity and enabling smooth, continuous dispensing without the complexity of unfolding accordion folds.
Data Source
AI summary
A CIPP liner reel system for managing the utilization and deployment of CIPP liners. The CIPP liner reel system generally includes a frame connected to a reel and drive unit. The drive unit is connected to the reel to control the rotation of its core. This core contains an opening that provides access to a connector unit within the core. This connector unit can be used to connect the reel to the end of a CIPP liner using a strap. Rotation of the core causes CIPP liner to wind on to or unwind from the reel. The reel may also contain a left guide member and a right guide member to assist in controlling the process of winding and unwinding the CIPP liner. The frame may also include a tractor connector that enables the CIPP liner reel system to be coupled to and transported by a tractor without affecting its operation.