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Custom Corrosion Resistant Anodic Protection Heat Exchanger with Extended Working Life and Improved Thermal Transmission Dry Acid Cooler

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Custom Corrosion Resistant Anodic Protection Heat Exchanger with Extended Working Life and Improved Thermal Transmission Dry Acid Cooler
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Features
Specifications
Highlight:

custom dry acid cooler

,

custom sulfuric acid cooler

,

dry sulfuric acid cooler
Basic Infomation
Payment & Shipping Terms
Packaging Details: Naked
Delivery Time: 60 Workdays
Payment Terms: T/T
Supply Ability: 1000/year
Product Description

Process parameters

Project

Design parameters

Performance parameters

 
Shell Side
Tube Side
Shell Side
Tube Side

MEDIUM

Fluid name
Sulfuric Acid
98.5%%
Cooling Water
Sulfuric Acid
98.5%%
Cooling Water

 

Temperature (Inlet)  ℃
93
32
93
32

 

Temperature (Outlet)℃
70
40
70
40

 

Liquid Kg/h
1150000
 
1150000
1260000

 

Density(inlet/outlet) Kg/m3
1767.0
1000
1767.0
1000

 

Viscosity(inlet/outlet)(cp)
4.67
0.768
4.67
0.768

 

Inlet pressure Mpa
0.46
0.3
0.46
0.3

 

Pressure drop, Mpa
≤0.06
≤0.06
0.06
0.023

PERFORMANCE

Heat exchanged quantity W
 
～11667388.9

 

Flow rate m/s
 
0.532
2.035

 

Heat transfer area affluent coefficient
 
1.15

 

Heat transfer coefficient W/m2 ℃
 
927.635

 

Heat transfer area m2
 
330

  MATERIAL

Type
shell and tube
The flow form
counter-current flow

 

Sealing form
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 450
HG20592-2009   PN6   DN 600

Size
Φ1100×8614×1570

Operating weight
15849 Kg

The scope of supply
●Complete set                                              ●Control system
         ●Special cable                                              ●Random accessories
Custom Dry Acid Cooler with Anodic Protection Heat Exchanger
Jiangsu Carpe Diem Ocean Equipment Co., Ltd. specializes in engineering and delivering high-performance heat management systems for chemical industry applications, with extensive expertise in Anodic Protection Sulfuric Acid Coolers. This equipment serves as a critical component for ensuring safe, efficient, and durable operation in modern sulfuric acid production facilities.
Equipment Overview
The Anodic Protection Sulfuric Acid Cooler is a shell-and-tube heat exchanger specifically designed to reduce the temperature of concentrated sulfuric acid (typically 93% to 99%) during drying and absorption phases in contact process plants. The highly corrosive nature of heated concentrated acid typically causes rapid degradation of conventional materials. This system overcomes these challenges through anodic protection, an electrochemical technique that maintains stainless steel in a passive, corrosion-resistant state.
Technical Principles and Operational Framework
The operating principle centers on anodic protection, where stainless steel surfaces (serving as the anode) are maintained at a specific electrical potential within their "passive range." This condition is achieved through a cathodic arrangement—either extended cathodes positioned through the shell or pin-shaped cathodes inserted into nozzles—operating in conjunction with a reference electrode and a potentiostat that controls DC power delivery.
  • Oxidative Coating Development: A low-voltage direct current is applied to stimulate the growth of a stable oxide coating across all interior surfaces. This coating serves as a protective layer, reducing corrosion rates by several orders of magnitude.
  • Voltage Monitoring and Adjustment: The electrochemical potential between the steel and reference electrode is continuously monitored. The control system applies ongoing corrections to the current, maintaining the metal reliably within the passive zone and preventing both active corrosion at lower potentials and transpassive erosion at higher potentials.
  • Structural Configuration: The cooler is engineered to withstand the thermal demands characteristic of processing environments. Design features, including rod-patterned baffles, minimize tube vibration while simultaneously enhancing heat transfer efficiency.
Core Capabilities and Operational Benefits
  • Reliable Corrosion Control: Anodic protection significantly limits chemical degradation, enabling austenitic stainless steels to perform effectively in environments where they would normally be inadequate—thereby ensuring continuous operational safety.
  • Extended Service Life: Through continuous maintenance of the passive oxide coating, the equipment remains protected against chemical deterioration, providing substantially longer service duration compared to non-protected alternatives.
  • Enhanced Heat Transfer: The system design promotes turbulent acid flow and utilizes high-efficiency heat transfer surfaces, which are essential for precise temperature control and optimal energy consumption.
  • Operational Reliability: With stable protective parameters and comprehensive monitoring systems—including remote diagnostic capabilities in modern versions—the risk of acid leakage and unexpected shutdowns is significantly reduced.
  • Thermal Recovery Capacity: By enabling safe operation at elevated temperatures (up to 160°C or higher), these systems facilitate the recovery of high-grade waste heat, thereby improving the overall thermal efficiency of sulfuric acid plants.
Jiangsu Carpe Diem Ocean Equipment Co., Ltd. provides these advanced cooling systems, ensuring clients receive durable, low-maintenance equipment engineered to meet the rigorous demands of large-scale sulfuric acid processing operations.
Tag:

anodic protection acid cooler

anodic protection oleum cooler

corrosion resistant acid cooler

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Contact Person : Leonard Chang
Tel : +8618602560456
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Nanyou Mansion, #66 Xinmofan Road, Gulou District, Nanjing, China
changle@cp-dm.com
+8618602560456
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