Custom Anodically Protected Sulfuric Acid Cooler With High Heat Transfer Efficiency First Absorption Acid Cooler
Price:
Negotiated Price
MOQ:
1
Delivery Time:
60 Workdays
Brand:
Carpe Diem
Product Description
Custom Anodically Protected Sulfuric Acid Cooler with High Heat Transfer Efficiency and Corrosion Resistance Second Absorption Acid Cooler
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Process parameters |
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Project |
Design parameters |
Performance parameters |
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Shell Side
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Tube Side
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Shell Side
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Tube Side
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MEDIUM |
Fluid name |
Sulfuric Acid
98%
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Cooling Water
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Sulfuric Acid
98%
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Cooling Water
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Temperature (Inlet) ℃ |
70
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33
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70
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33
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Temperature (Outlet)℃ |
40
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41
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40
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37.708
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Liquid Kg/h |
53640
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53640
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120000
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Density(inlet/outlet) Kg/m3 |
1788
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1000
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1788
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1000
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Viscosity(inlet/outlet)(cp) |
8.0
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0.76
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8.0
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0.76
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Inlet pressure Mpa |
0.36
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0.25
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0.36
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0.25
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Pressure drop, Mpa |
≤0. 1
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≤0. 1
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0.002
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0.003
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PERFORMANCE |
Heat exchanged quantity W |
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~653961.0
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Flow rate m/s |
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0.108
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0.619
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Heat transfer area affluent coefficient |
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1.15
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Heat transfer coefficient W/m2 ℃ |
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410.458
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Heat transfer area m2 |
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105
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MATERIAL |
Type |
shell and tube
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The flow form
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counter-current flow
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Sealing form |
welding connection in acid side, flange connection in water side
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Materials and specifications |
shell
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304 δ= 5
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Heat transfer tube
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316L Φ19×1.5×6000
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Tubesheet
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304 δ= 35
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Baffle-crossing
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304 δ= 5
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head
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Q235-B δ= 35
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Flange standard |
Shell Side
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Tube Side
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HG/T20592-2009(B)PN10 DN 100
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HG/T20592-2009(B) PN10 DN 200
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Size |
Φ600×7234×1060
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Operating weight |
5731 Kg
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The scope of supply |
●Complete set ●Control system
●Special cable ●Random accessories |
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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.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Jiangsu Carpe Diem Ocean Equipment Co., Ltd.
Location
Nanyou Mansion, #66 Xinmofan Road, Gulou District, Nanjing, China
Contact Person
Leonard Chang