Activated Carbon Adsorption Tower with Serpentine Gas Flow
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Activated carbon absorption towers with cross-flow moving beds face issues of low utilization rate, low removal efficiency of impurities, complicated mechanisms, and high gas flow resistance.
Innovation Solution
An activated carbon absorption tower design featuring a U-shaped or serpentine gas flow passage that passes through the activated carbon multiple times, with baffle plates and gas holes, and an ammonia injection grid to enhance contact and efficiency, along with a simple structure to reduce gas flow resistance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If gas passes through activated carbon once in a straight line, then the structure is simple, but the utilization rate of activated carbon is low
Solution Approach 1:
The gas flow passage is designed in a U-shape or serpentine shape instead of a straight line, causing the gas to pass through the activated carbon multiple times in different directions. This curved path design increases the contact between gas and activated carbon, improving utilization rate while maintaining structural simplicity
Solution Approach 2:
The gas flow passage is designed to pass through the same activated carbon passage from opposite directions at least once, ensuring continuous contact between gas and activated carbon. This continuous action maximizes the utilization of activated carbon throughout the purification process
2Area of moving object
If multiple gas outlet branch pipes are distributed in the tower, then the gas-solid contact area is large, but the process becomes complicated and gas flow resistance increases
Solution Approach 1:
The gas flow passage is divided into multiple segments (U-shape or serpentine sections) that pass through different regions of the activated carbon. This segmentation increases gas-solid contact area while avoiding the complexity of multiple separate outlet branch pipes
Solution Approach 2:
A single gas flow passage performs multiple functions by winding through the activated carbon multiple times, achieving both large gas-solid contact area and simplified structure compared to multiple separate outlet pipes
3Area of stationary object
If concentric inner and outer cylinders with rectangular activated carbon moving layers are used, then the footprint is smaller and processing gas volume is large, but the structure becomes complicated and manufacturing cost increases
Solution Approach 1:
Instead of using concentric cylinders with rectangular activated carbon layers, the invention uses a single activated carbon passage with a U-shaped or serpentine gas flow path. This inverted approach achieves compact footprint while maintaining simple structure and lower manufacturing cost
4Productivity
If two separate methods (limestone for SO2 and activated carbon with ammonia for NOX) are superimposed, then denitration efficiency is higher, but the process is not truly integrated and becomes complicated
Solution Approach 1:
The invention merges desulfurization and denitration into a single integrated process using one activated carbon passage. Both SO2 and NOX are removed simultaneously through the same activated carbon bed, achieving true process integration while maintaining high efficiency
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 design significantly improves the utilization rate of activated carbon, enhancing desulfurization and denitration efficiencies while maintaining a simple structure and low gas flow resistance.
Implementation Method 1
The technology for removing pollutants from a flue gas by an activated carbon method, as a technology of solid phase removal by adsorption
Implementation Method 2
the gas flow passage is separated by the baffle plate into a U shape or serpentine shape, making the gas flow passage pass through the same activated carbon passage from opposite directions at least once
Data Source
AI summary
Disclosed are an activated carbon adsorption tower and a gas purification device. An activated carbon adsorption tower comprises an adsorption tower body (1), a gas inlet (2) and a gas outlet (3) arranged on the adsorption tower body (1); the adsorption tower body (1) is provided with an activated carbon passage (11), a swash plate (12) and a gas passage in communication with the gas inlet (2) and the gas outlet (3); the gas passage is separated by the swash plate (12) into a U shape or serpentine shape, making the gas passage pass through the same activated carbon passage (11) from the opposite direction at least once; and the activated carbon passage (11) is provided with flowing activated carbon inside and gas holes on the passage wall for communicating with the gas passages on both sides.