Closed-Loop Vapor Transport for Low-Loss Feedstock Separation
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Solution Overview
Problem
Conventional refineries are large, costly, and inefficient, with significant thermal energy loss and high environmental impact, making them unsuitable for modern refinery needs.
Innovation Solution
A modular, adaptable system using a Feedback Closed Loop Vapor Transport System with Thermal Information Exchangers (TIEs) and a Binary Process Distillation (BPD) to efficiently separate volatile components, reducing energy input and emissions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If conventional atmospheric and vacuum fractionating towers are used, then feedstock separation is achieved, but thermal energy is lost into the ambient environment
Solution Approach 1:
The system employs a feedback mechanism where condensed vapors from the fractionating tower are returned to the tower base, creating a closed-loop system that recycles thermal energy and maintains separation efficiency without continuous energy input loss to the environment
Solution Approach 2:
The system utilizes phase transitions of hydrocarbon components during fractional distillation, where different components vaporize and condense at specific temperatures and pressures, enabling separation while recovering thermal energy through the condensation process
2Productivity
If conventional refinery structures are built large to effect economies of scale, then processing capacity increases, but capital costs and environmental impact increase
Solution Approach 1:
The refinery system is segmented into modular functional units including fractionating towers, heat exchangers, and vapor transport systems that can be independently configured and scaled, replacing the monolithic conventional refinery structure with adaptable modular components
Solution Approach 2:
The system incorporates dynamic control mechanisms that allow processing capacity to be adjusted by modifying operational parameters such as temperature, pressure, and vapor flow rates, rather than requiring physical expansion of the facility structure
3Object-affected harmful factors
If exhaust stacks and cooling towers are built high to avoid health risks, then emissions are dispersed, but construction costs and environmental impact increase
Solution Approach 1:
The system converts potentially harmful emissions into beneficial products by capturing and condensing vaporized hydrocarbons fractionated from the feedstock, transforming what would be pollutants into separable condensate products for further processing or utilization
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 achieves near-zero emissions and high production efficiency with reduced capital costs, enabling scalable and flexible refinery operations.
Implementation Method 1
a Feedback Preheat and Pressure Step Down Vapor Flash System that can prepare the feedstock during its passage from onsite storage vessels into a Conversion Vessel with an integral Hybrid Phase Change Accelerated Vaporization Process
Implementation Method 2
Each TIE creates a specific condensate product which has accurately defined upper and lower condensation temperature bounds at the given pressure within each of the TIEs
Implementation Method 3
a Conversion Vessel with an integral Hybrid Phase Change Accelerated Vaporization Process
Data Source
AI summary
Methods and apparatus for processing hydrocarbon and other feedstocks that contain lighter volatile component(s) along with heavier volatile or non-volatile component(s) and/or contaminant(s). The principal benefit being that a feedstock can be processed and separated into its distinct volatile components down to elemental and/or molecular levels, including the ability to handle the heaviest tars and bitumen within the system. This effectively provides onsite value add to the feedstock resource (minus the waste streams such as water, sulfur, or sand; which may have value as isolated components in their own right). The system is robust and can include innovative hardware, methods, and/or software. The system can isolate water, chemical, various hydrocarbon, and particle contaminants of arbitrary concentrations and sizes. These factors provide for significant increases in processing efficiencies and capabilities in the fields of refining and environmental recovery. In a variety of operating scenarios, near-zero emissions can be achieved while processing.