Gasification Feed Pipe Cooling for Tar, Soot, and Dust
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Solution Overview
Problem
Existing gasification systems face issues with pipe clogging due to the generation of non-gaseous combustible substances like tar, soot, and dust, which are difficult to handle and costly to mitigate, affecting energy efficiency and safety.
Innovation Solution
A pipe configuration with integrated temperature measurement and cooling units that maintain temperatures between 300°C and 600°C, using cooling gases or liquids to prevent excessive cooling and clogging, enhancing energy efficiency and safety without additional equipment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-generated harmful factors
If the degree of partial combustion is increased to reduce non-gaseous combustible substances, then pipe clogging is suppressed, but energy consumption increases and handling becomes difficult
Solution Approach 1:
The patent changes the temperature parameter inside the pipe by introducing a cooling unit that maintains the pipe temperature between 300-600°C. This temperature control allows sufficient combustion to occur while preventing excessive heat that would generate harmful non-gaseous substances, thereby resolving the contradiction between energy consumption and harmful factor generation.
Solution Approach 2:
The cooling unit acts as an intermediary element between the combustion process and the pipe walls. It mediates the thermal energy by removing excess heat from the pipe interior, enabling the combustion process to proceed efficiently while preventing the formation of tar, soot, and dust that cause clogging.
2Ease of operation
If cooling units are introduced to suppress pipe clogging, then handling becomes easier and safety improves, but device complexity increases
Solution Approach 1:
The cooling unit is segmented into multiple cooling holes distributed along the pipe interior. This segmentation allows the cooling function to be distributed rather than concentrated, making the system easier to operate and maintain while managing the complexity through modular design. The cooling holes are simply formed in the pipe wall without requiring complex external cooling systems.
3Productivity
If temperature is increased to improve gasification efficiency, then productivity increases, but pipe clogging worsens due to excessive non-gaseous combustible substances
Solution Approach 1:
The patent optimizes the temperature parameter by maintaining it within a specific range (300-600°C) through the cooling unit. This parameter control ensures that the gasification process operates at sufficiently high temperatures for efficient productivity while preventing temperatures that would generate excessive tar, soot, and dust. The cooling holes enable precise temperature management throughout the pipe length.
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 solution effectively suppresses pipe clogging, improves energy efficiency, and reduces costs by maintaining optimal temperature ranges, facilitating safe and efficient biomass gasification.
Implementation Method 1
a pipe cooling unit for cooling at least a part of the pipe
Data Source
AI summary
There is provided a pipe through which a biomass raw material supply device for supplying a biomass raw material to a gasification device and a synthesis gas production device including a gasification furnace for gasifying the biomass raw material to produce a synthesis gas communicate with each other, the synthesis gas production device including a gasification furnace temperature measuring unit for measuring a temperature of an upper end portion of the gasification furnace, the pipe including: a pipe temperature measuring unit for measuring a temperature inside the pipe; and a pipe cooling unit for cooling at least a part of the pipe.