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Anodic Protection Acid System: Technical Data Sheet
Equipment Presentation
The Anodic Protection Acid System is a purpose-built assembly designed for regulated handling of high-strength sulfuric acid (concentrations above 96%) and oleum in industrial process environments. Primary installation sites include sulfuric acid alkylation units at petroleum refineries and absorption/drying sections of acid manufacturing operations.
This system addresses two critical process requirements: ensuring uniform liquid deposition over vessel internal packing while utilizing electrochemical surface stabilization to counter the aggressive nature of the acid medium.
Operational Logic
Liquid Separation Approach
The internal structure features a series of connected collection channels, calibrated overflow lips, and distribution openings. The apparatus captures incoming acid streams and separates them into multiple individual flows that fall evenly onto the packing layer below. This design guarantees complete wetting of packing elements, prevents dry patches, and creates optimal conditions for gas-liquid exchange inside the column.
Protection Against Acid Attack
Ordinary metallic materials experience rapid deterioration when exposed to heated, concentrated sulfuric acid. This installation resolves this issue through careful alloy selection combined with an impressed anodic protection system.
Technical Logic: A regulated electrical potential is maintained on the metal surface, preserving its electrochemical status within a passive zone. This encourages the growth and maintenance of a continuous, strongly attached protective layer that insulates the base material from the corrosive fluid.
Field Outcome: This practice limits material consumption to low rates (typically under 0.1 mm per year), significantly extending equipment service life and preventing metal contamination of the acid flow.
Design Elements
Material Composition: Built from austenitic stainless steel types (including 304L and 316L) selected for optimal reaction to anodic conditioning and capacity to withstand acid exposure
Hydraulic Properties: Employs carefully calculated weir elevations and hole dimensions to maintain uniform liquid distribution across the complete operating range
Mounting Method: Manufactured in segments that pass through standard vessel openings, allowing interior assembly without requiring on-site welding
Electrical Layout: Features strategically positioned conductor pieces within the acid path to complete the protective circuit without disrupting distribution patterns
Operational Benefits
Extended Equipment Life: Reduces recurring replacement expenses through effective control of corrosion-related deterioration
Acid Cleanliness: Prevents metal ions from contaminating the acid stream, meeting purity requirements for critical downstream applications
Operational Performance: Supports consistent wetting of column internals, enabling optimal mass transfer and separation outcomes
Structural Toughness: Maintains mechanical integrity during extended operation under severe chemical conditions and high temperatures
Suitable Applications
Alkylation Processes Using Sulfuric Acid as Catalyst
Drying Columns and Absorption Towers in Acid Production Facilities
Acid Temperature Control and Circulation Systems
Essential Acid Storage and Transfer Systems
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter
Year Established:
2017
Total Annual:
300$-1200$
Employee Number:
>50
Ecer Certification：
Verified Supplier
Jiangsu Carpe Diem Ocean Equipment Co., Ltd. is headquartered in the Li Shui International Enterprise R&D Park in Nanjing — a historic capital known as the “Ancient City of Six Dynasties.” The facility spans 17,000 square meters, including 8,000 square meters dedicated t... Jiangsu Carpe Diem Ocean Equipment Co., Ltd. is headquartered in the Li Shui International Enterprise R&D Park in Nanjing — a historic capital known as the “Ancient City of Six Dynasties.” The facility spans 17,000 square meters, including 8,000 square meters dedicated t...
