Modular Conduit Heater Assembly for Faster Installation and Replacement
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Solution Overview
Problem
The existing methods for heating fluid conduits, such as heat trace cables, are time-consuming and costly to install and replace, especially in continuous manufacturing processes, and require custom-made prefabricated pipes that increase inventory and maintenance costs.
Innovation Solution
A modular heater system comprising modular units with a thermally conducting carrier member, a heating element, a conductor, and a thermal insulation jacket, where the modular units can be easily aligned and connected to an external power source, reducing wiring complexity and allowing for scalable and aesthetically improved heating solutions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If heat trace cables are used to heat fluid conduits, then heating function is provided, but installation and replacement are time-consuming and burdensome
Solution Approach 1:
The heater is divided into multiple modular segments that can be independently handled and installed. Each module contains a heating element, insulation layer, and connection terminals, allowing workers to install sections rather than handling long continuous cables, thereby reducing installation time and effort
Solution Approach 2:
The heater modules are pre-assembled with insulation and electrical connections before delivery to the site. This preliminary preparation eliminates time-consuming on-site assembly steps, allowing for quick installation by simply mounting the complete modules onto the conduit
2Loss of time
If prefabricated heat-traced pipes are used, then replacement time is reduced, but inventory space and manufacturing costs increase
Solution Approach 1:
Instead of manufacturing complete prefabricated pipes with integrated heaters, the solution segments the heating system into separate modular units that can be installed on standard conduits. This avoids the need for custom-made prefabricated pipes while maintaining quick replacement capability
Solution Approach 2:
The modular heater modules are designed to be universally applicable to standard conduit sizes and configurations. The standardized design with adjustable mounting mechanisms allows the same module to fit different pipe dimensions, eliminating the need for custom manufacturing while enabling rapid replacement
3Reliability
If heat trace cables are fastened with bands and retaining straps, then the heater is secured to the conduit, but the process is time-consuming and burdensome
Solution Approach 1:
The mounting brackets are integrated into the modular heater assembly itself rather than being separate components. This merging of the securing mechanism with the heater module eliminates the need for separate bands and retaining straps, reducing the number of fastening steps while maintaining secure attachment
Solution Approach 2:
Mounting brackets serve as intermediary components that simplify the attachment process. These brackets provide pre-configured mounting points and mechanical advantage, making it easier to secure the heater module to the conduit without requiring multiple bands and straps
4Adaptability or versatility
If custom-made heat-traced pipes are manufactured, then specific heating requirements are met, but inventory space and maintenance costs increase
Solution Approach 1:
The heating system is segmented into standardized modular units that can be combined in different configurations. This segmentation allows a limited inventory of standard modules to serve multiple custom heating requirements, reducing the need to stock diverse custom-made solutions
Solution Approach 2:
The modular heater modules incorporate adjustable parameters such as power output, length, and mounting configuration. By changing these parameters rather than manufacturing different custom pipes, the system can adapt to specific heating requirements while using the same basic module design, minimizing inventory needs
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The modular heater system provides a cost-effective, efficient, and easily adaptable heating solution that simplifies the installation and replacement process, reducing time and inventory costs while maintaining effective heat transfer to fluid conduits.
Implementation Method 1
a heating element (18) disposed on the carrier member (16)... the heating element (18) contacts the fluid conduit (14)
Implementation Method 2
a thermal insulation jacket (24) enclosing the fluid conduit (14), the carrier member (16), the heating element (18), and the conductor (20)
Data Source
Figure 1~2
Figure 3~4
Figure 5~6
AI summary
A modular heater system includes a plurality of modular units aligned along a longitudinal direction of a fluid conduit for heating a fluid contained in the fluid conduit. The modular units each include a carrier member, a heating element mounted on the carrier member and a thermal insulation jacket surrounding the carrier member and the heating element. The carrier member defines a receiving space for receiving the fluid conduit therein and includes side slots recessed from outer surfaces of the carrier member. The thermal insulation jacket includes an upper half portion and a lower half portion. The upper half portion and the lower half portion are self-locked in the side slots of the carrier member.