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Anode Protection Sulfuric Acid Cooler with Anodic Protection, Corrosion Resistant Design, and Heat Recovery Capability Dry Acid Cooler

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Anode Protection Sulfuric Acid Cooler with Anodic Protection, Corrosion Resistant Design, and Heat Recovery Capability Dry Acid Cooler
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Features
Specifications
Highlight:

Anodic Protection Sulfuric Acid Cooler

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Corrosion Resistant Sulfuric Acid Cooler

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Heat Recovery Capability Acid Handling Equipment
Basic Infomation
Place of Origin: China
Brand Name: Capre 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

Process parameters

Project

Design parameters

Performance parameters


Shell Side
Tube Side
Shell Side
Tube Side

MEDIUM

Fluid name
Sulfuric Acid
96%
Cooling Water
Sulfuric Acid
96%
Cooling Water


Temperature (Inlet)  ℃
69.3
33
69.3
33


Temperature (Outlet)℃
50
41
50
40.96


Liquid Kg/h
686811
 
686811
655000


Density(inlet/outlet) Kg/m3
1801
1000
1801
1000


Viscosity(inlet/outlet)(cp)
7.35
0.76
7.35
0.76


Inlet pressure Mpa
0.54
0.3
0.54
0.3


Pressure drop, Mpa
≤0.1
≤0.1
0.049
0.032

PERFORMANCE

Heat exchanged quantity W
 
～6034912.9


Flow rate m/s
 
0.514
1.717


Heat transfer area affluent coefficient
 
1.15


Heat transfer coefficient
W/m2 ℃
 
831.236


Heat transfer area m2
 
399

 
 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) PN10 DN 350
HG/T20592-2009(B) PN10 DN 400

Size
Φ1000×7294×1470

Operating weight
14207 Kg

The scope of supply
●Complete set                                              ●Control system
●Special cable                                             ●Random accessories
Acid Handling Equipment
Jiangsu Carpe Diem Ocean Equipment Co., Ltd. specializes in the engineering and supply of advanced heat transfer systems for the chemical industry, particularly the Anode Protection Sulfuric Acid Cooler. This unit plays a vital role in ensuring safe, efficient, and durable operations within modern sulfuric acid plants.
General Description
The Anode Protection Sulfuric Acid Cooler is a shell-and-tube type heat exchanger designed to lower the temperature of concentrated sulfuric acid—typically in the 93% to 99% range—within the drying and absorption stages of contact process facilities. Given the intensely corrosive nature of hot concentrated acid, conventional construction materials are prone to rapid deterioration. This equipment overcomes such challenges through anodic protection, an electrochemical technique that preserves stainless steel in a passive and corrosion-resistant state.
Technical Principles and Functionality
The system operates on the principle of anodic protection, which maintains stainless steel surfaces (functioning as the anode) within a defined "passive range" of electrochemical potential. This is achieved via a cathodic assembly—typically incorporating extended cathodes inside the shell or pin-type cathodes installed in nozzles—working alongside a reference electrode and a potentiostat that regulates the direct current.
  • Passivation Process: A low-level direct current is applied to promote the formation of a stable oxide layer on internal surfaces. This layer functions as a protective shield, reducing corrosion rates by several orders of magnitude.
  • Potential Regulation: The electrochemical potential between the steel and the reference electrode is monitored continuously. The control system adjusts the current as needed to keep the metal securely within the passive zone, preventing both active and transpassive corrosion.
  • Structural Design: The cooler is constructed to endure thermal stresses inherent in the process. Features such as rod-type baffles help limit tube vibration and contribute to improved heat transfer efficiency.
Performance Advantages
  • High-Level Corrosion Resistance: Anodic protection effectively suppresses corrosive activity, allowing austenitic stainless steels to perform reliably in environments where they would otherwise be unsuitable—supporting ongoing operational safety.
  • Longer Service Life: By maintaining a consistent passive layer, the equipment is protected from chemical attack, resulting in a significantly extended lifespan compared to non-protected alternatives.
  • Efficient Thermal Transfer: The configuration supports turbulent acid flow and incorporates high-performance heat exchange surfaces, which are critical for accurate temperature control and energy management.
  • Operational Stability: With steady protective parameters and advanced monitoring capabilities—including remote diagnostics in more recent designs—the likelihood of acid leakage and unexpected shutdowns is kept to a minimum.
  • Heat Recovery Capability: Enabling safe operation at temperatures up to 160°C or more, the cooler supports the recovery of high-grade waste heat, enhancing the overall energy efficiency of the sulfuric acid plant.
Jiangsu Carpe Diem Ocean Equipment Co., Ltd. supplies these high-performance cooling systems, ensuring that clients receive durable, low-maintenance equipment capable of meeting the exacting 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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