Vacuum-Insulated Transport Pipe With Modular Heating Zones
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Solution Overview
Problem
Conventional electric heat-insulating devices for pipelines face challenges with overheat breakage or short circuits, which are difficult to repair and can compromise pipeline integrity, and there is a need for safer and more efficient thermal management.
Innovation Solution
A vacuum-insulated transport pipe device with an inner and outer pipe, electric heating structure, and a control unit that includes temperature and pressure sensors, allowing for controlled operation and maintenance of a vacuum state to manage thermal energy efficiently and facilitate easy repair or replacement of faulty components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If conventional electric heat-insulating devices are deployed sequentially along the pipeline with electric heating boards connected in series, then the overall circuit arrangement is simplified, but when overheat breakage or shortcut occurs in any electric circuit, none of the electric heating boards can continue to supply thermal energy and the failing component is difficult to examine, repair or replace
Solution Approach 1:
The pipeline is divided into multiple independent heating zones, each with its own electric heating board and control circuit. Each heating board can operate independently, so if one fails, the others continue to function. This segmentation resolves the contradiction by maintaining reliability through independence while managing complexity through modular design.
Solution Approach 2:
The control system dynamically manages the heating boards based on real-time temperature feedback from sensors. Each heating board can be independently activated or deactivated based on local temperature conditions, allowing the system to adapt to failures and maintain continuous thermal energy supply where needed.
2Ease of operation
If electric heating boards are connected in series to simplify circuit arrangement, then the overall circuit is easier to manage, but examining, repairing or replacing the failing component becomes very difficult when overheat breakage or shortcut occurs
Solution Approach 1:
Each heating board is designed as an independent modular unit with separate control circuits. This allows individual boards to be easily removed, replaced, or repaired without affecting the entire pipeline system, resolving the ease of repair issue while maintaining simple overall system management through standardization.
Solution Approach 2:
The control system uses addressable identification for each heating board, allowing selective activation and monitoring of individual units. This parameter-based control enables easy identification of failing components and simplifies the repair process by isolating the specific board that needs attention.
3Power
If the electric circuit is positioned very close to the pipeline for efficient heating, then heating effectiveness is improved, but it may cause breakage of the pipeline or affect the strength or durability of the pipeline
Solution Approach 1:
The heating system uses localized temperature control with sensors positioned near each heating board to monitor pipeline temperature. The control system adjusts heating power locally based on real-time conditions, ensuring efficient heating while preventing excessive temperatures that could damage the pipeline.
Solution Approach 2:
Temperature sensors provide continuous feedback to the control system, which automatically adjusts the heating power of each board. This feedback mechanism ensures that the pipeline receives adequate heating while preventing overheating that could compromise pipeline strength or durability.
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 system maintains preset temperatures with reduced energy consumption and simplifies maintenance by enabling individual components to operate independently, even when one component fails, thus ensuring safety and efficiency.
Implementation Method 1
the chamber is in a vacuum state
Implementation Method 2
The vacuum state of each chamber can reduce the transfer of heat energy from the inner pipe and each electric heating structure to the outside through each outer pipe
Implementation Method 3
The electric heating structure is disposed within the chamber and circumferentially surrounds the inner pipe
Data Source
AI summary
Disclosed is a vacuum-insulated transport pipe device and a pipeline transport system. The system includes two transport pipe devices, a pump, and a control unit. Each transport pipe device includes an inner pipe, an outer pipe, and an electric heating structure. The inner pipe is disposed inside the outer pipe to form a closed chamber therebetween, and the electric heating structure surrounds the inner pipe, with each inner pipe being connected and communicating with each other. The pump draws air from the chamber to form a vacuum state. The control unit controls the operation of each electric heating structure and the pump to reduce heat transfer through the outer pipe. This allows the inner pipe to easily maintain a preset temperature, reducing the energy consumption of the electric heating structure.