Anode Protection Sulfuric Acid Cooler With Anodic Protection For Corrosion Resistance Drying Acid Cooler
Price:
Negotiated Price
MOQ:
1
Delivery Time:
60 Workdays
Brand:
Carpe Diem
Product Description
Anode Protection Sulfuric Acid Cooler with Anodic Protection for Corrosion Resistance and High Thermal Efficiency Second Absorption Acid Cooler
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Process parameters |
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Project |
Design parameters |
Performance parameters |
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Shell Side
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Tube Side
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Shell Side
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Tube Side
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MEDIUM |
Fluid name |
Sulfuric Acid
98%
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Cooling Water
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Sulfuric Acid
98%
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Cooling Water
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Temperature (Inlet) ℃ |
62
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32
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62
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32
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Temperature (Outlet)℃ |
55
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40
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55
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40
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Liquid Kg/h |
1104000
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1104000
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Density(inlet/outlet) Kg/m3 |
1840
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1000
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1840
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1000
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Viscosity(inlet/outlet)(cp) |
7.9
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0.76
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7.9
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0.76
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Inlet pressure Mpa |
0.5
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0.3
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0.5
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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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0.071
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0.004
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PERFORMANCE |
Heat exchanged quantity W |
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～3140573.3
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Flow rate m/s |
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0.584
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0.818
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Heat transfer area affluent coefficient |
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1.15
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Heat transfer coefficient |
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763.447
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Heat transfer area m2 |
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210
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MATERIAL |
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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304 δ= 8
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Heat transfer tube
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316L Φ19×1.5×6000
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Tubesheet
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304 δ= 45
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Baffle-crossing
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304 δ= 8
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head
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Q235-B δ= 8
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Flange standard |
Shell Side
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Tube Side
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HG/T20592-2009(B) PN10 DN 450
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HG/T20592-2009(B) PN10 DN 300
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Size |
Φ900×7874×1366
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Operating weight |
10978 Kg
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The scope of supply |
●Complete set ●Control system
●Special cable ●Random accessories |
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Jiangsu Carpe Diem Ocean Equipment Co., Ltd. directs its technical resources toward the engineering and provision of sophisticated heat management solutions for chemical processing applications, with notable expertise in the Anode Protection Sulfuric Acid Cooler. This apparatus occupies a key role in securing safe, streamlined, and durable operations within today's sulfuric acid production facilities.
Product Overview
The Anode Protection Sulfuric Acid Cooler is constructed as a shell-and-tube heat exchanger specifically designed to lower the temperature of concentrated sulfuric acid—typically falling between 93% and 99%—throughout the drying and absorption sections of contact process plants. The intensely corrosive nature of hot concentrated acid ordinarily results in the quick breakdown of standard construction materials. This equipment resolves such problems through anodic protection, an electrochemical method that ensures stainless steel remains in a passive and corrosion-free state.
Scientific Foundation and Operational Framework
The underlying concept centers on anodic protection, in which stainless steel components (serving as the anode) are held at a predetermined electrical point within their "passive zone." This condition is achieved through a cathodic configuration—whether extended cathodes placed through the shell or pin-shaped cathodes mounted in nozzles—functioning together with a reference electrode and a potentiostat that regulates the DC current flow.
- Shielding Layer Creation: A low-voltage direct current is applied to encourage the development of a strong oxide layer across all wetted surfaces. This layer works as a protecting barrier, reducing corrosion rates by several orders of magnitude.
- Voltage Monitoring and Correction: The electrical voltage between the steel and the reference electrode is subject to ongoing observation. The regulation system makes real-time corrections to the current, keeping the metal securely inside the passive region and preventing both active corrosion at lower levels and transpassive erosion at higher levels.
- Physical Design: The cooler is structurally arranged to handle the thermal demands typical of the operational context. Engineering elements, such as rod-patterned baffles, serve to limit tube vibration while at the same time improving heat transfer efficiency.
Primary Advantages and Performance Qualities
- Dependable Corrosion Prevention: Anodic protection substantially reduces chemical attack, allowing austenitic stainless steels to operate effectively in conditions where they would normally be insufficient—thereby reinforcing continuous operational safety.
- Extended Lifespan: Through the consistent preservation of the passive oxide film, the unit stays protected from chemical deterioration, offering a considerably extended service life compared to unprotected alternatives.
- Improved Thermal Transmission: The system layout promotes turbulent acid circulation and incorporates high-efficiency heat transfer surfaces, which are vital for accurate temperature regulation and efficient energy usage.
- Operational Stability: Through steady protective parameters and integrated monitoring capabilities—including remote diagnostic functions in contemporary designs—the risk of acid leakage and unexpected shutdowns is greatly minimized.
- Energy Recuperation Capacity: By enabling safe operation at increased temperatures (reaching up to 160°C or higher), these devices support the collection of valuable waste heat, thus improving the overall thermal performance of the sulfuric acid plant.
Jiangsu Carpe Diem Ocean Equipment Co., Ltd.
provides these high-quality cooling systems, assuring clients of access to rugged, low-maintenance equipment engineered to fulfill the stringent requirements of large-scale sulfuric acid manufacturing.
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Get in Touch
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Company
Jiangsu Carpe Diem Ocean Equipment Co., Ltd.
Location
Nanyou Mansion, #66 Xinmofan Road, Gulou District, Nanjing, China
Contact Person
Leonard Chang