Custom Corrosion Resistant Anodic Protection Heat Exchanger with Extended

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Payment Terms	T/T
Supply Ability	1000/year
Delivery Time	60 Workdays
Packaging Details	Naked

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Product Specification


Payment Terms	T/T	Supply Ability	1000/year
Delivery Time	60 Workdays	Packaging Details	Naked
High Light	custom dry acid cooler ，custom sulfuric acid cooler ，dry sulfuric 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

Custom Dry Acid Cooler with Anodic Protection Heat Exchanger

Jiangsu Carpe Diem Ocean Equipment Co., Ltd. specializes in engineering and delivering high-performance heat management systems for chemical industry applications, with extensive expertise in Anodic Protection Sulfuric Acid Coolers. This equipment serves as a critical component for ensuring safe, efficient, and durable operation in modern sulfuric acid production facilities.

Equipment Overview

The Anodic Protection Sulfuric Acid Cooler is a shell-and-tube heat exchanger specifically designed to reduce the temperature of concentrated sulfuric acid (typically 93% to 99%) during drying and absorption phases in contact process plants. The highly corrosive nature of heated concentrated acid typically causes rapid degradation of conventional materials. This system overcomes these challenges through anodic protection, an electrochemical technique that maintains stainless steel in a passive, corrosion-resistant state.

Technical Principles and Operational Framework

The operating principle centers on anodic protection, where stainless steel surfaces (serving as the anode) are maintained at a specific electrical potential within their "passive range." This condition is achieved through a cathodic arrangement—either extended cathodes positioned through the shell or pin-shaped cathodes inserted into nozzles—operating in conjunction with a reference electrode and a potentiostat that controls DC power delivery.

Oxidative Coating Development: A low-voltage direct current is applied to stimulate the growth of a stable oxide coating across all interior surfaces. This coating serves as a protective layer, reducing corrosion rates by several orders of magnitude.
Voltage Monitoring and Adjustment: The electrochemical potential between the steel and reference electrode is continuously monitored. The control system applies ongoing corrections to the current, maintaining the metal reliably within the passive zone and preventing both active corrosion at lower potentials and transpassive erosion at higher potentials.
Structural Configuration: The cooler is engineered to withstand the thermal demands characteristic of processing environments. Design features, including rod-patterned baffles, minimize tube vibration while simultaneously enhancing heat transfer efficiency.

Core Capabilities and Operational Benefits

Reliable Corrosion Control: Anodic protection significantly limits chemical degradation, enabling austenitic stainless steels to perform effectively in environments where they would normally be inadequate—thereby ensuring continuous operational safety.
Extended Service Life: Through continuous maintenance of the passive oxide coating, the equipment remains protected against chemical deterioration, providing substantially longer service duration compared to non-protected alternatives.
Enhanced Heat Transfer: The system design promotes turbulent acid flow and utilizes high-efficiency heat transfer surfaces, which are essential for precise temperature control and optimal energy consumption.
Operational Reliability: With stable protective parameters and comprehensive monitoring systems—including remote diagnostic capabilities in modern versions—the risk of acid leakage and unexpected shutdowns is significantly reduced.
Thermal Recovery Capacity: By enabling safe operation at elevated temperatures (up to 160°C or higher), these systems facilitate the recovery of high-grade waste heat, thereby improving the overall thermal efficiency of sulfuric acid plants.

Jiangsu Carpe Diem Ocean Equipment Co., Ltd. provides these advanced cooling systems, ensuring clients receive durable, low-maintenance equipment engineered to meet the rigorous demands of large-scale sulfuric acid processing operations.

Company Details

Bronze Gleitlager

Bronze Sleeve Bushings

and

Graphite Plugged Bushings

from Quality China Factory

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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...

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Jiangsu Carpe Diem Ocean Equipment Co., Ltd.
Nanyou Mansion, #66 Xinmofan Road, Gulou District, Nanjing, China
https://www.acidcooler.com/

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