Wet Electrostatic Precipitator Hexagonal Tube Bundle Assembly
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Solution Overview
Problem
Existing wet electrostatic precipitators face challenges in cost-effectiveness and material durability, particularly in constructing electrode bundles that can withstand corrosion and sparking while maintaining electrical conductivity.
Innovation Solution
The assembly of WESP electrode bundles using conductive carbon composite materials, specifically through a 'stacked panel' method where corrugated strips are molded, abraded, and bonded to form hexagonal tubes, allowing for carbon-carbon contact and structural integrity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If stainless steel electrodes are used in WESP, then electrical conductivity and durability are maintained, but construction cost and material weight increase
Solution Approach 1:
The patent applies composite materials by constructing electrode bundles from multiple conductive carbon composite panels stacked and bonded together. This composite structure replaces solid stainless steel electrodes, achieving comparable electrical conductivity and corrosion resistance while significantly reducing material weight and construction cost.
2Ease of manufacture
If conductive carbon composite materials are used, then cost and weight are reduced, but manufacturing complexity and assembly difficulty increase
Solution Approach 1:
The patent divides the electrode bundle into multiple discrete conductive carbon composite panels that can be manufactured separately and then stacked together. This segmentation allows for simplified manufacturing of individual panels while the modular stacking approach provides a systematic assembly procedure that reduces overall complexity compared to forming a single complex electrode structure.
Solution Approach 2:
The patent applies preliminary action by pre-manufacturing conductive carbon composite panels with predetermined shapes and electrical conductivity properties before assembly. The panels are prepared in advance with proper corrugations and bonding surfaces, which simplifies the final assembly process and reduces on-site manufacturing complexity.
3Strength
If corrugated panels are stacked to form hexagonal tubes, then structural integrity and conductivity are achieved, but manufacturing precision requirements increase
Solution Approach 1:
The electrode bundle is segmented into multiple corrugated panels with complementary shapes that interlock when stacked. The corrugations are designed to fit together like puzzle pieces, with mating surfaces that naturally guide alignment. This segmentation approach distributes the precision requirements across multiple simple components rather than requiring one complex precision-formed tube.
Solution Approach 2:
The patent employs a nesting principle where corrugated panels are stacked and interlocked to form hexagonal tube structures. The corrugations of adjacent panels nest together, creating a interlocking configuration that provides structural integrity while tolerating minor dimensional variations in individual panels.
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 enables the manufacture of lightweight, corrosion-resistant, and cost-effective WESP electrode bundles that can withstand sparking and corrosive environments, reducing capital and operating costs while maintaining electrical conductivity.
Implementation Method 1
The procedure described herein allows for carbon-carbon contact required for conduction
Implementation Method 2
the corrugations of mating surfaces of adjacent panels are abraded to expose carbon fibres
Implementation Method 3
adjacent corrugated strips are adhered at their abutting corrugations to form a hexagonal tube bundle
Data Source
AI summary
Wet electrostatic precipitator (WESP) collector tube bundles are formed by a procedure in which strips of conductive material are corrugated, intended abutting surfaces of the corrugated strips are abraded, adhesive is applied to the abraded surfaces, multiple ones of the corrugated strips are assembled with corrugation in abutting relationship, and outer panels are assembled with the resulting hexagonal tube bundle.