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Anodically Protected Acid Cooler With Corrosion Prevention Shell And Tube

Anodically Protected Acid Cooler With Corrosion Prevention Shell And Tube
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Anodically Protected Acid Cooler

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Acid Cooler Corrosion Prevention

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Shell And Tube dry acid cooler
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Product Description

Anodically Protected Acid Cooler with Corrosion Prevention, Extended Equipment Life, and Efficient Thermal Transmission for Sulfuric Acid Plants First Absorption Acid Cooler

Process parameters

Project

Design parameters

Performance parameters

 
Shell Side
Tube Side
Shell Side
Tube Side

MEDIUM

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

 

Temperature (Inlet)  ℃
80
45
80
45

 

Temperature (Outlet)℃
72
 
72
68.522

 

Liquid Kg/h
1791000
220000
1791000
220000

 

Density(inlet/outlet) Kg/m3
1791
1000
1791
1000

 

Viscosity(inlet/outlet)(cp)
7.45/10.82
0.76
7.45/10.82
0.76

 

Inlet pressure Mpa
0.4
0.3
0.4
0.3

 

Pressure drop, Mpa
≤0.1
≤0.1
0.072
0.002

PERFORMANCE

Heat exchanged quantity W
 
～5989900.0

 

Flow rate m/s
 
0.590
0.411

 

Heat transfer area affluent coefficient
 
1.1

 

Heat transfer coefficient W/m2 ℃
 
959.367

 

Heat transfer area m2
 
410

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

 

 
HG/T20592-2009(B) PN16 DN 600
HG/T20592-2009(B) PN10 DN 200

Size
Φ1400×5794×1878

Operating weight
17761 Kg

The scope of supply
 ●Complete set                                              ●Control system
 ●Special cable                                              ●Random accessories

 

 

Anodically Protected Acid Cooler
Jiangsu Carpe Diem Ocean Equipment Co., Ltd. specializes in engineering and delivering advanced heat transfer technologies for chemical processing applications, with particular expertise in Anode Protection Sulfuric Acid Coolers. This equipment is essential for ensuring safe, efficient, and sustained performance in modern sulfuric acid plants.
Product Overview
The Anode Protection Sulfuric Acid Cooler is a shell-and-tube heat exchanger designed to reduce the temperature of concentrated sulfuric acid (typically 93% to 99% concentration) in the drying and absorption sections of contact process facilities. The system overcomes the aggressive nature of heated concentrated acid through anodic protection technology, which maintains stainless steel components in a passive, non-corroding state.
Technical Operation Principles
The system operates on anodic protection principles, where stainless steel components function as the anode and are maintained at a specific electrical potential within their passive range. This is achieved through a cathodic system (extended cathodes through the shell or pin-type cathodes in nozzles) operating alongside a reference electrode and potentiostat that regulates the DC power supply.
  • Oxide Layer Formation: Low-intensity direct current promotes the development of a durable oxide coating on all wetted surfaces, reducing corrosion rates by several orders of magnitude
  • Voltage Monitoring & Adjustment: Continuous monitoring of electrochemical potential between steel and reference electrode, with real-time current adjustments to maintain optimal passive conditions
  • Structural Design: Engineered to accommodate thermal stresses with rod-based baffle arrangements that limit tube vibration while enhancing heat transfer coefficients
Key Advantages
  • Superior Corrosion Protection: Anodic protection significantly reduces corrosive attack, enabling austenitic stainless steels to perform reliably in aggressive environments
  • Extended Equipment Lifespan: Sustained preservation of the passive oxide film protects against chemical breakdown, resulting in significantly longer service life
  • Efficient Heat Transfer: System configuration promotes turbulent acid flow and employs high-efficiency heat transfer surfaces for precise process control
  • Operational Reliability: Consistent protective parameters and advanced monitoring capabilities minimize acid leakage and unplanned shutdowns
  • Heat Recovery Capability: Enables secure operation at elevated temperatures (up to 160°C or higher), supporting valuable waste heat capture
Jiangsu Carpe Diem Ocean Equipment Co., Ltd. provides these high-performance cooling systems, delivering durable, low-maintenance equipment designed to meet the rigorous demands of large-scale sulfuric acid production.
Tag:

Sulfuric Acid Cooler

acid cooler

dry acid cooler

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Tel : +8618602560456
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changle@cp-dm.com
+8618602560456
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