Anodically Protected Sulfuric Acid Cooler Corrosion Resistance Second Absorption

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Payment Terms	T/T
Delivery Time	60 Workdays
Supply Ability	1000/year
Packaging Details	Naked
Place of Origin	China
Brand Name	Carpe Diem
Model Number	CD-001

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Product Specification


Payment Terms	T/T	Delivery Time	60 Workdays
Supply Ability	1000/year	Packaging Details	Naked
Place of Origin	China	Brand Name	Carpe Diem
Model Number	CD-001
High Light	Acid Cooler Anodically Protected ，Acid Cooler Corrosion Resistance ，sulfuric acid cooler Second Absorption

Anodically Protected Sulfuric Acid Cooler with High Heat Transfer Efficiency and Corrosion Resistance Second Absorption Acid Cooler

Process parameters
Project		Design parameters			Performance parameters
		Shell Side	Tube Side		Shell Side	Tube Side
MEDIUM	Fluid name	Sulfuric Acid 98%	Cooling Water		Sulfuric Acid 98%	Cooling Water
	Temperature (Inlet) ℃	60	32		60	32
	Temperature (Outlet)℃	40	40		40	39.83
	Liquid Kg/h	36800			36800	33000
	Density(inlet/outlet) Kg/m3	1840	1000		1840	1000
	Viscosity(inlet/outlet)(cp)	7.9	0.76		7.9	0.76
	Inlet pressure Mpa	0.5	0.3		0.5	0.3
	Pressure drop, Mpa	≤0.1	≤0.1		0.0007	0.0002
PERFORMANCE	Heat exchanged quantity W				～299102.2
	Flow rate m/s				0.059		0.142
	Heat transfer area affluent coefficient				1.15
	Heat transfer coefficient W/m2 ℃				266.349
	Heat transfer area m2				125
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		304 δ= 5
		Heat transfer tube		316L Φ19×1.5×6000
		Tubesheet		304 δ= 35
		Baffle-crossing		304 δ= 5
		head		Q235-B δ= 5
	Flange standard	Shell Side			Tube Side
		HG/T20592-2009(B) PN10 DN 80			HG/T20592-2009(B) PN10 DN 100
Size		Φ600×7274×1060
Operating weight		5844 Kg
The scope of supply		●Complete set ●Control system ●Special cable ●Random accessories

High Quality Sulfuric Acid Drying Anodically Protection Cooler

Jiangsu Carpe Diem Ocean Equipment Co., Ltd. applies its engineering expertise to the design and delivery of advanced thermal control equipment for chemical sector operations, with specialized proficiency in Anode Protection Sulfuric Acid Coolers. This unit serves as a critical component for ensuring safe, productive, and long-term performance within modern sulfuric acid production facilities.

Equipment Overview

The Anode Protection Sulfuric Acid Cooler is engineered as a shell-and-tube heat exchanger specifically designed to reduce the temperature of concentrated sulfuric acid—typically maintained within the 93% to 99% range—during the drying and absorption stages of contact method facilities. The highly corrosive nature of heated concentrated acid typically causes conventional construction metals to fail rapidly. This system addresses these challenges through anodic protection, an electrochemical technique that maintains stainless steel in a passive, non-corroding state.

Technical Basis and Operating Principle

The core technology relies on anodic protection, where stainless steel surfaces (functioning as the anode) are maintained at a controlled electrical potential within their "passive region." This state is achieved through a cathodic configuration—using either extended cathodes running through the shell or pin-type cathodes fitted into nozzles—working in conjunction with a reference electrode and a potentiostat that regulates the DC power supply.

Protective Coating Formation: A minimal direct current is applied to initiate the formation of a durable oxide coating across all interior surfaces. This coating serves as a protective barrier, reducing corrosion rates by several orders of magnitude.
Potential Monitoring and Fine-Tuning: The electrical potential between the steel and the reference electrode is continuously monitored. The control system provides real-time adjustments to the current, maintaining the metal securely within the passive zone and preventing both active corrosion at lower levels and transpassive breakdown at higher levels.
Structural Design: The cooler is engineered to withstand the thermal stresses common in processing environments. Design features, such as rod-configured baffles, minimize tube vibration while simultaneously enhancing heat transfer efficiency.

Core Benefits and Functional Advantages

Superior Corrosion Control: Anodic protection significantly limits chemical erosion, enabling austenitic stainless steels to operate reliably in environments where they would typically be unsuitable—thereby ensuring ongoing operational safety.
Extended Equipment Lifespan: Through consistent maintenance of the passive oxide film, the unit remains protected from chemical attack, delivering substantially longer service life compared to unprotected alternatives.
Enhanced Heat Transfer: The system design promotes turbulent acid flow and utilizes high-performance heat transfer surfaces, which are essential for precise temperature control and optimal energy efficiency.
System Reliability: With stable protective parameters and comprehensive monitoring capabilities—including remote diagnostic tools in newer models—the risk of acid leakage and unplanned shutdowns is significantly reduced.
Heat Recovery Capability: By enabling safe operation at elevated temperatures (reaching up to 160°C or higher), these systems facilitate the capture of valuable waste heat, thereby improving the overall energy efficiency of sulfuric acid plants.

Jiangsu Carpe Diem Ocean Equipment Co., Ltd. provides these premium cooling solutions, ensuring customers benefit from durable, low-maintenance equipment engineered to meet 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...

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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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