Corrosion Mitigation Waste Heat Recovery Anodic Protection Sulfuric Acid Cooler Drying Acid Cooler
Anodic Protection Sulfuric Acid Cooler with Corrosion Mitigation and Waste Heat Recovery for Chemical Processing First Absorption Acid Cooler
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Process parameters |
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Project |
Design parameters |
Performance parameters |
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Shell Side |
Tube Side |
Shell Side |
Tube Side |
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MEDIUM |
Fluid name |
Sulfuric Acid
98.5%
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Cooling Water
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Sulfuric Acid
98.5%
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Cooling Water
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Temperature (Inlet) ℃ |
87.3
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33
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87.3
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33
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Temperature (Outlet)℃ |
70
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41
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70
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40.979
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Liquid Kg/h |
1331286
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1331286
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1100000
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Density(inlet/outlet) Kg/m3 |
1783
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1000
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1783
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1000
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Viscosity(inlet/outlet)(cp) |
5.04
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0.76
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5.04
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0.76
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Inlet pressure Mpa |
0.54
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0.3
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0.54
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0.3
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Pressure drop, Mpa |
≤0.1
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≤0.1
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0.073
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0.02
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PERFORMANCE |
Heat exchanged quantity W |
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～10159339.3
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Flow rate m/s |
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0.584
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1.896
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Heat transfer area affluent coefficient |
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1.1
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Heat transfer coefficient W/m2 ℃ |
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936.325
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Heat transfer area m2 |
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290
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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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304L δ= 10
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Heat transfer tube
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316L Φ19×2.0×6000
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Tubesheet
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304L δ= 55
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Baffle-crossing
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304L δ= 10
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head
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Q235-B δ= 12
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Flange standard |
Shell Side
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Tube Side
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HG/T20592-2009(B) PN10 DN 500
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HG/T20592-2009(B) PN10 DN 500
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Size |
Φ1100×7834×1570
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Operating weight |
15719 Kg
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The scope of supply |
●Complete set ●Control system |
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- Passive Layer Formation: Low-voltage direct current induces a durable oxide film on all wetted surfaces, reducing corrosion rates by several orders of magnitude.
- Potential Management: Continuous monitoring of electrochemical potential between steel and reference electrode, with dynamic current adjustments to maintain metal within the passive region.
- Engineering Design: Structurally engineered to accommodate thermal stresses with advanced elements like rod-type baffle arrangements that reduce tube vibration while improving heat transfer coefficients.
- Robust Corrosion Mitigation: Substantially reduces corrosive attack, enabling austenitic stainless steels to perform reliably in aggressive environments.
- Extended Operational Lifespan: Consistent preservation of passive oxide film protects against chemical degradation, significantly prolonging service life.
- Superior Thermal Performance: Promotes turbulent acid flow and integrates high-efficiency heat transfer surfaces for precise process regulation.
- Enhanced System Reliability: Maintains stable protective parameters with sophisticated monitoring features to reduce acid leakage and unplanned interruptions.
- Waste Heat Recovery: Enables safe operation at elevated temperatures (up to 160°C or higher), facilitating valuable waste heat capture for improved energy efficiency.
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