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Custom Anodically Protected Sulfuric Acid Cooler With High Heat Transfer Efficiency

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Custom Anodically Protected Sulfuric Acid Cooler With High Heat Transfer Efficiency
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Custom Acid Cooler

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Anodically Protected Acid Cooler

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Second Absorption sulfuric acid cooler
Basic Infomation
Place of Origin: China
Brand Name: Carpe Diem
Model Number: CD-001
Payment & Shipping Terms
Packaging Details: Naked
Delivery Time: 60 Workdays
Payment Terms: T/T
Supply Ability: 1000/year
Product Description

Custom Anodically Protected Sulfuric Acid Cooler with High Heat Transfer Efficiency and Corrosion Resistance Second Absorption Acid Cooler

 

Process parameters

Project

Design parameters

Performance parameters

 
Shell Side
Tube Side
Shell Side
Tube Side

MEDIUM

Fluid name
Sulfuric Acid
98%
Cooling Water
Sulfuric Acid
98%
Cooling Water

 

Temperature (Inlet)  ℃
70
33
70
33

 

Temperature (Outlet)℃
40
41
40
37.708

 

Liquid Kg/h
53640
 
53640
120000

 

Density(inlet/outlet) Kg/m3
1788
1000
1788
1000

 

Viscosity(inlet/outlet)(cp)
8.0
0.76
8.0
0.76

 

Inlet pressure Mpa
0.36
0.25
0.36
0.25

 

Pressure drop, Mpa
≤0. 1
≤0. 1
0.002
0.003

PERFORMANCE

Heat exchanged quantity W
 
~653961.0

 

Flow rate m/s
 
0.108
0.619

 

Heat transfer area affluent coefficient
 
1.15

 

Heat transfer coefficient W/m2 ℃
 
410.458

 

Heat transfer area m2
 
105

 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
304          δ= 5

 

 
Heat transfer tube
316L        Φ19×1.5×6000

 

 
Tubesheet
304          δ= 35

 

 
Baffle-crossing
304          δ= 5

 

 
head
Q235-B    δ= 35

 

Flange standard
Shell Side
Tube Side

 

 
HG/T20592-2009(B)PN10 DN 100
HG/T20592-2009(B) PN10 DN 200

Size
Φ600×7234×1060

Operating weight
5731 Kg

The scope of supply
●Complete set                                              ●Control system
         ●Special cable                                              ●Random accessories
Customize Anodically Protected Acid Cooler
Jiangsu Carpe Diem Ocean Equipment Co., Ltd.
stands at the forefront of engineering and delivering advanced heat transfer solutions tailored to the chemical processing sector. Among its specialized offerings, the Anode Protection Sulfuric Acid Cooler represents a cornerstone technology for ensuring safety, efficiency, and longevity in modern sulfuric acid plants.
At a Glance
The Anode Protection Sulfuric Acid Cooler is a shell-and-tube heat exchanger purpose-built to cool concentrated sulfuric acid—typically ranging from 93% to 99%—within the drying and absorption stages of contact process facilities. The challenge is straightforward: hot concentrated acid is aggressively corrosive and quickly degrades standard construction materials. The solution lies in anodic protection, an electrochemical technique that maintains stainless steel in a passive, non-corroding state throughout operation.
Inside the Technology
The operating principle centers on anodic protection, which involves polarizing stainless steel components (the anode) to a specific electrical potential within their "passive range." This is achieved through a cathodic system—typically comprising elongated cathodes running through the shell or pin cathodes inserted in nozzles—working in concert with a reference electrode and a potentiostat that regulates the DC power supply.
  • Forming the Protective Layer: A low-voltage direct current prompts the formation of a stable oxide film on all internal surfaces. This film functions as an impermeable barrier, reducing corrosion rates by several orders of magnitude.
  • Maintaining the Right Potential: The system continuously monitors the electrochemical potential between the steel and the reference electrode. A controller makes instant adjustments to the current, keeping the metal safely within the passive zone and preventing both active corrosion at the lower end and transpassive corrosion at the upper end.
  • Built for the Long Run: The cooler's robust construction is engineered to withstand the thermal stresses inherent to the process. Advanced features like rod-type baffles help minimize tube vibration while actually enhancing heat transfer coefficients.
Why It Makes a Difference
  • Superior Corrosion Resistance: By effectively neutralizing corrosive attack, anodic protection allows austenitic stainless steels to perform reliably in environments where they would otherwise fail—directly supporting long-term operational safety.
  • Extended Service Life: The consistent preservation of the passive oxide film shields the equipment from chemical degradation, delivering a service life that significantly outlasts unprotected alternatives.
  • High Heat Transfer Efficiency: The design promotes turbulent flow conditions and incorporates efficient heat transfer surfaces—both critical for precise process control and optimal energy recovery.
  • Reliability at Its Core: With stable protective parameters and smart monitoring systems (including remote diagnostic capabilities in advanced configurations), the risk of acid leaks and unplanned downtime is kept to an absolute minimum.
  • Unlocking Energy Recovery: By enabling safe operation at elevated temperatures—up to 160°C or beyond—these coolers make it possible to recover high-grade waste heat, directly improving the overall energy efficiency of the sulfuric acid plant.
The Bottom Line
Jiangsu Carpe Diem Ocean Equipment Co., Ltd. delivers these high-integrity cooling solutions with a clear commitment: providing clients with durable, low-maintenance equipment engineered to meet the exacting demands of large-scale sulfuric acid production—and built to perform reliably year after year.
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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