Pulse Detonation Gasifier Shockwave Heating
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Traditional gasification methods face challenges in efficiently converting organic materials into synthesis gas due to high energy requirements and the formation of aerosol-tars and carbon-char, which reduce net conversion efficiency and increase costs.
Innovation Solution
The use of pulse detonation burners to create supersonic shockwaves that heat organic materials and form a jet spouted bed within a gasifier, enhancing thermal chemical reactivity and reducing parasitic power consumption by integrating a reformer to convert residual materials into additional synthesis gas.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional gasification methods are used to convert organic materials into synthesis gas, then the conversion process can be achieved, but high energy requirements and formation of aerosol-tars and carbon-char reduce net conversion efficiency and increase costs
Solution Approach 1:
The patent employs pulse detonation technology that uses periodic explosive shocks to gasify organic materials. Instead of continuous heating, the system applies repeated detonation pulses that efficiently convert biomass into synthesis gas, reducing overall energy consumption while maintaining high conversion rates.
Solution Approach 2:
The invention changes the thermal and mechanical parameters by using high-temperature detonation shocks rather than conventional low-temperature continuous heating. This parameter change enables faster reaction rates and improved conversion efficiency while reducing the total energy input required for the gasification process.
2Productivity
If traditional gasification methods are used, then synthesis gas can be produced, but aerosol-tars and carbon-char form which pose problems for energy conversion equipment
Solution Approach 1:
The patent converts the harmful byproducts (aerosol-tars and carbon-char) into beneficial synthesis gas components through the high-temperature detonation process. The explosive shocks completely vaporize and gasify the organic material, transforming potential contaminants into useful combustible gases rather than allowing tar and char formation.
Solution Approach 2:
By changing the temperature and pressure parameters through detonation shocks, the system achieves complete gasification of organic materials. The extreme conditions prevent the formation of aerosol-tars and carbon-char by ensuring all organic matter is converted to gas phase products, eliminating the harmful byproducts associated with conventional gasification.
3Object-affected harmful factors
If reforming of tars and carbon-char is performed to address the harmful byproducts, then the equipment problems are mitigated, but this adds significantly to costs and energy requirements
Solution Approach 1:
The patent eliminates the need for separate reforming processes by converting all organic material directly into synthesis gas through pulse detonation. The harmful tars and carbon-char are prevented from forming in the first place, and any remaining residues are completely gasified by subsequent detonation pulses, removing the need for energy-intensive reforming operations.
Solution Approach 2:
The gasification system is self-cleaning through the pulse detonation mechanism. The repeated explosive shocks automatically vaporize and remove any potential tar or char deposits from equipment surfaces, eliminating the need for separate maintenance and reforming systems while reducing overall energy requirements.
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
This approach increases process intensity while reducing energy consumption and costs, achieving efficient conversion of organic materials into synthesis gas and mitigating environmental risks associated with byproducts.
Implementation Method 1
The pulse detonation burner can be located under the gasifier body and connected to the gasifier body such that the pulse detonator directs supersonic shockwaves upward into the gasifier body
Implementation Method 2
a pulse detonation burner to direct supersonic shockwaves into the gasifier body
Data Source
AI summary
Gasifiers, gasification systems, and methods for producing synthesis gas are disclosed. A gasifier can include a gasifier body. A feeder can be positioned to feed an organic material into the gasifier body. A pulse detonation burner can be located under or above the gasifier body and connected to the gasifier body to direct supersonic shockwaves upward into the gasifier body to heat the organic material and to form a jet spouted bed of the organic material or to operate as an entrained flow reactor. An outlet can be located at the gasifier body to allow removal of synthesis gas, residual ash, and other reaction products.