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{"title":"Anodic Protection Acid Unit with Electrochemical Passivation for Uniform Fluid","imgUrl":"https:\/\/img.chinax.com\/nimg\/b6\/bc\/7818a45825ad31eb72b22ede0ff5-200x200-1\/anodic_protection_acid_unit_with_electrochemical_passivation_for_uniform_fluid_dispersion_and_corrosion_resistance.jpg","attrs":{"Brand Name":"Carpe Diem","Model Number":"CD-002","Place of Origin":"China","Minimum Order Quantity":"1"}}
welding connection in acid side, flange connection in water side
Materials and specifications
shell
304L δ= 10
Heat transfer tube
316L Φ19×2.0×6000
Tubesheet
304L δ= 55
Baffle-crossing
304L δ= 10
head
Q235-B δ= 12
flange standard
Shell Side
Tube Side
HG20592-2009 PN10 DN 100
HG20592-2009 PN6 DN 100
size
Φ500×7174×960
Operating weight
3391 Kg
The scope of supply
●Complete set ●Control system ●Special cable ●Random accessories
Anode Protection Sulfuric Acid Cooler
Jiangsu Carpe Diem Ocean Equipment Co., Ltd. specializes in engineering sophisticated heat transfer systems for chemical processing applications, with particular expertise in Anode Protection Sulfuric Acid Coolers. This advanced equipment plays a crucial role in maintaining operational safety, efficiency, and longevity in modern sulfuric acid production facilities.
Technology Overview
The Anode Protection Sulfuric Acid Cooler represents a specialized shell-and-tube heat exchanger engineered to cool concentrated sulfuric acid (93-99% concentration) within the drying and absorption stages of contact process plants. Given the highly corrosive nature of hot concentrated acid, conventional materials would rapidly deteriorate. This system overcomes this challenge through anodic protection—an electrochemical method that maintains stainless steel surfaces in a passive, corrosion-resistant state.
Operating Principle
The technology operates on the principle of anodic protection, where stainless steel components function as the anode and are maintained at a controlled potential within their passive range. This is achieved using a cathodic assembly—either extended cathodes within the shell or pin-type cathodes in nozzles—alongside a reference electrode and a potentiostat that regulates DC current.
Passive Layer Formation: A minimal direct current induces a passive state on internal surfaces, creating a durable oxide layer that serves as a protective barrier, significantly reducing corrosion rates.
Potential Regulation: Continuous monitoring of the steel's electrochemical status against the reference electrode ensures the controller dynamically adjusts current to maintain the metal within the safe passive zone, preventing both active deterioration and excessive oxidation.
Structural Integrity: The cooler features robust construction to handle thermal expansion and process stresses. Advanced engineering elements, such as rod-type baffles, minimize tube vibration while enhancing thermal transfer efficiency.
Key Advantages
Exceptional Corrosion Resistance: Anodic protection enables austenitic stainless steels to perform reliably in severely corrosive environments, ensuring long-term operational safety.
Extended Service Life: Consistent maintenance of the protective oxide film shields equipment from chemical attack, resulting in significantly longer operational lifespan compared to unprotected alternatives.
Optimized Thermal Performance: The design supports turbulent acid flow and employs high-efficiency heat transfer surfaces, essential for precise process control and effective energy utilization.
Operational Reliability: Stable protective parameters and sophisticated monitoring capabilities—including remote diagnostics in modern configurations—significantly reduce the risk of acid leakage and unplanned shutdowns.
Heat Recovery Potential: By enabling secure operation at elevated temperatures (up to 160°C or beyond), these units facilitate the capture of valuable waste heat, enhancing the plant's overall energy efficiency.
Jiangsu Carpe Diem Ocean Equipment Co., Ltd. delivers these robust and dependable cooling solutions, ensuring clients benefit from durable, low-maintenance technology specifically designed for the rigorous demands of large-scale sulfuric acid manufacturing.
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...
