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Anodic Protection Sulfuric Acid Cooler With Corrosion Resistance And High Heat Transfer Efficiency 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%
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
Sulfuric Acid Equipment
Jiangsu Carpe Diem Ocean Equipment Co., Ltd. specializes in engineering and supplying advanced heat transfer equipment for the chemical processing industry, including the specialized Anode Protection Sulfuric Acid Cooler. This equipment represents critical technology for safe, efficient, and long-term operation of modern sulfuric acid plants.
Overview
The Anode Protection Sulfuric Acid Cooler is a shell-and-tube heat exchanger specifically designed to cool concentrated sulfuric acid (93-99%) in the drying and absorption sections of contact process sulfuric acid plants. Due to the highly corrosive nature of hot concentrated sulfuric acid, standard materials would degrade rapidly. This cooler overcomes corrosion challenges by employing anodic protection, an electrochemical technique that maintains stainless steel in a passive, non-corroding state.
Technology and Principle of Operation
The technology is based on anodic protection, which involves polarizing stainless steel components to a specific potential within their "passive range." A cathodic system, typically consisting of elongated cathodes running through the shell or pin cathodes inserted in nozzles, is used with a reference electrode and potentiostat (DC power supply).
Passivation: By applying a small direct current, the equipment's internal surfaces are forced into a passive state where a protective oxide film forms. This film acts as a barrier, reducing corrosion rates by several orders of magnitude.
Controlled Potential: The system constantly monitors electrochemical potential relative to a reference electrode. The controller adjusts current to keep the metal safely within the passive zone, avoiding both active corrosion and transpassive corrosion.
Design: The cooler is robustly designed to withstand thermal stresses. Innovations such as baffle rod designs help reduce tube vibration and improve heat transfer coefficients.
Key Advantages
Superior Corrosion Resistance: Anodic protection effectively mitigates corrosion, allowing use of austenitic stainless steels in environments where they would otherwise fail, ensuring long-term operational safety.
Long Equipment Lifespan: By maintaining a stable passive film, the equipment is protected from corrosive attack, significantly extending service life compared to unprotected alternatives.
High Heat Transfer Efficiency: The technology allows for turbulent flow conditions and efficient heat transfer surfaces, essential for process control and energy recovery.
Reliability: With stable protective parameters and smart monitoring systems (including remote diagnostic capabilities), the risk of acid leaks and unplanned downtime is greatly minimized.
Energy Recovery Potential: By enabling safe operation at elevated temperatures (up to 160°C or more), these coolers facilitate recovery of high-grade waste heat, improving overall energy efficiency of sulfuric acid plants.
Jiangsu Carpe Diem Ocean Equipment Co., Ltd. provides these high-integrity cooling solutions, ensuring clients benefit from reliable, low-maintenance equipment that meets the rigorous demands of large-scale sulfuric acid production.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter
Year Established:
2017
Total Annual:
300$-1200$
Employee Number:
>50
Ecer Certification：
Verified Supplier
Jiangsu Carpe Diem Ocean Equipment Co., Ltd. is headquartered in the Li Shui International Enterprise R&D Park in Nanjing — a historic capital known as the “Ancient City of Six Dynasties.” The facility spans 17,000 square meters, including 8,000 square meters dedicated t... Jiangsu Carpe Diem Ocean Equipment Co., Ltd. is headquartered in the Li Shui International Enterprise R&D Park in Nanjing — a historic capital known as the “Ancient City of Six Dynasties.” The facility spans 17,000 square meters, including 8,000 square meters dedicated t...
