Modular Inline Heating Unit for Adaptable Pipeline Flow Rates
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Solution Overview
Problem
Current methods for heating water for hydraulic fracturing are inefficient, particularly when dealing with varying pipeline flow rates, as they often require continuous heating of tanks or partial superheating of water, leading to increased operational costs and complexity.
Innovation Solution
A modular heating unit that includes a base member with a main inlet pipe and header, connected by pipes with a combustion chamber, and multiple heat exchangers, allowing for efficient heating of fluid inline within a pipeline, adaptable to varying flow rates through modular design and heat exchanger configuration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If water is pumped into tanks and circulated through heating units to raise temperature, then the water can be heated to target temperature, but each tank must be heated above desired temperature and continually heated, increasing operational costs and inefficiency
Solution Approach 1:
The heating system is divided into multiple independent heating zones corresponding to different pipeline flow rate ranges. Each zone has its own heating unit optimized for specific flow conditions, allowing selective operation rather than continuous heating of entire tank systems.
Solution Approach 2:
The system dynamically selects which heating zone to operate based on real-time pipeline flow rate measurements. This dynamic adaptation eliminates the need for continuous overheating and ensures energy is only consumed when and where needed, directly addressing the inefficiency of continual tank heating.
2Loss of energy
If a portion of water is superheated and mixed back into the pipeline, then heating efficiency improves compared to tank heating, but additional components such as pumps and mixers are required, adding to cost and complexity
Solution Approach 1:
The heating function is merged directly into the pipeline structure through inline heating units that process water in-place. This eliminates the need for separate pumping and mixing systems while maintaining efficient heat transfer, as the heating occurs within the flow path itself rather than requiring extraction and re-injection cycles.
Solution Approach 2:
The pipeline system serves its own heating needs through integrated heating zones that directly treat the flowing water. The system uses its own flow dynamics to distribute heated water throughout the pipeline network without requiring external mixing mechanisms, making the system self-sufficient and simpler in design.
3Loss of energy
If the amount of water pumped and temperature are optimized for a certain flow rate, then heating efficiency is maximized, but the system is not easily adaptable to pipelines having different flow rates
Solution Approach 1:
The heating system is segmented into multiple independent zones, each calibrated for specific flow rate ranges. When pipeline flow rate changes, the system activates only the relevant zone(s) with appropriate heating parameters, maintaining optimal efficiency without requiring complete system reconfiguration.
Solution Approach 2:
The system incorporates dynamic flow rate sensing and automatic zone selection capabilities. This allows real-time adaptation to different pipeline flow conditions while maintaining optimal heating efficiency in each operational mode, eliminating the need for manual reconfiguration when flow rates vary.
4Stability of the object's composition
If tanks are continually heated to ensure water is at desired temperature, then temperature consistency is maintained, but operational costs increase
Solution Approach 1:
Instead of continuous heating, the system employs periodic or on-demand heating cycles triggered by flow detection and temperature sensing. Heating units operate only when water flows through their designated zones and when temperature thresholds indicate heating is needed, maintaining consistency while eliminating wasteful continuous operation.
Solution Approach 2:
The system incorporates temperature and flow rate feedback mechanisms that automatically control heating unit operation. When measured parameters indicate adequate temperature or no flow conditions, heating is automatically reduced or stopped, maintaining temperature consistency only when necessary and reducing operational costs through intelligent control.
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 heating unit efficiently heats fluid inline within a pipeline, ensuring consistent temperature and reducing operational costs by being adaptable to different flow rates, thus improving the efficiency of the hydraulic fracturing process.
Implementation Method 1
The base member includes a combustion chamber within the plurality of pipes and the header
Implementation Method 2
The modular heating unit comprises a first heat exchanger connected to the header
Implementation Method 3
a plurality of fins positioned between the top surface and the bottom surface
Implementation Method 4
The first heat exchanger has a top surface, a bottom surface, a plurality of fins positioned between the top surface and the bottom surface
Data Source
AI summary
Apparatus, systems, and methods for a modular heating unit that may be adapted to be inline with a pipeline. The unit includes a base member having a main inlet pipe, a header, and pipes connecting the main inlet pipe with the header. A combustion chamber is positioned within the pipes. One or more heat exchangers are connected to the header. The heat exchangers each having a top surface, bottom surface, plurality of fins, inlet ring, inlet port, outlet ring, and outlet port. The modular heating unit includes external inlet and outlet pipes. A first flow path enables fluid to flow from the header into the one or more heat exchangers. An exit flow path connected to the external outlet pipe connects the one or more heat exchangers to an exit port with a portion of the exit flow path being positioned above the one or more heat exchangers.