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Durable Shell and Tube Heat Exchanger for High-Temperature Resilience and Flue Gas Waste Heat Recovery with Corrosion and Erosion Control
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Durable Shell and Tube Heat Exchanger for High-Temperature Resilience and Flue Gas Waste Heat Recovery with Corrosion and Erosion Control
| MOQ: | 1 Sets |
| Price: | 10000 USD |
| Delivery Period: | 2 months |
| Payment Method: | L/C,T/T |
| Supply Capacity: | 200 sets / days |
Detail Information
Place of Origin
China
Brand Name
Center Enamel
Certification
ASME,ISO 9001,CE, NSF/ANSI 61, WRAS, ISO 28765, LFGB, BSCI, ISO 45001
Material:
Stainless Steel, Carbon Steel
Size:
Customized
Design Pressure:
0.1-10 Mpa
Applications:
Chemical, Food Processing, Beverage Processing, Brewing, Metallurgy, Oil Refining, Pharmaceuticals
Highlight:
High-Temperature Resilience Shell and Tube Heat Exchanger
,Corrosion and Erosion Control STHE
,Flue Gas Waste Heat Recovery Heat Exchanger
Product Description
Turning Exhaust into Energy: Shell and Tube Exchangers for High-Grade Waste Heat Recovery
In heavy industries such as cement, steel, glass, and thermal power, exhaust stacks represent significant untapped energy sources. Flue gas streams exit industrial processes at temperatures ranging from 300°C to over 700°C. This high-grade thermal energy, when properly recovered, can substantially reduce fossil fuel consumption, lower operational costs, and advance industrial sustainability objectives.
However, capturing heat from flue gas presents exceptional challenges due to harsh operating conditions. These include extreme temperatures, corrosive compounds (such as sulfur and nitrogen oxides), and abrasive particulate matter. This demanding environment requires specialized equipment engineered for both efficiency and uncompromising durability.
The proven solution for this critical application is the Durable Shell and Tube Heat Exchanger (STHE), custom-designed to safely and continuously extract maximum thermal energy from exhaust streams. Shijiazhuang Zhengzhong Technology Co., Ltd (Center Enamel) provides the high-integrity engineering required for these demanding applications.
The New Energy Frontier: The Imperative of Flue Gas WHR
Waste Heat Recovery (WHR) from flue gas has become a strategic necessity in modern industry. The recovered heat serves to maximize thermal efficiency while reducing carbon emissions.
Primary applications for captured energy include:
Recuperation (Preheating Combustion Air): Recovered heat efficiently preheats air supplied to furnaces or kilns, reducing fuel requirements and delivering continuous energy savings.
Process Integration: Heat can generate steam, hot oil, or hot water for internal utilities, or feed Organic Rankine Cycle (ORC) systems for auxiliary power generation.
STHE units must function flawlessly in environments where standard equipment quickly fails due to high heat, acid dew point corrosion, and particulate erosion. The STHE design is preferred because its mechanical structure is inherently customizable and robust enough to handle working fluid pressures while accommodating corrosive, high-temperature gas flow dynamics.
Advanced STHE Design for High-Temperature Resilience
The STHE engineered for flue gas WHR is a high-temperature pressure vessel that emphasizes sophisticated material science and mechanical protection for decades of reliable service.
Principle of Operation: Due to large volumes and particulate content, flue gas is typically routed through the shell side to minimize pressure drop. Gas passages are designed wider than conventional STHEs, utilizing straight, wide-bore tubes to prevent blockage and facilitate cleaning. Working fluids (air, water, steam) are contained within the tubes, with design success depending on managing flue gas flow to maximize heat transfer while minimizing particulate abrasion.
Key design features for corrosion and erosion control:
Specialized High-Temperature Alloys: Tubes and tube sheets are fabricated from high-chrome, high-nickel alloy steels. In extreme cases, advanced ceramic coatings provide additional thermal and chemical protection.
Particulate Management: Design modifications include straight-tube bundles, wider tube spacing, and strategically placed sacrificial baffles or deflector plates to slow gas flow and divert high-velocity particulates from vulnerable tube ends.
Acid Dew Point Prevention: Precise design and operation maintain tube wall temperatures above the acid dew point of flue gas, preventing corrosive sulfuric acid condensation.
Structural integrity and safety are paramount for continuous high-temperature service and thermal stress management during operational cycles. Shijiazhuang Zhengzhong Technology Co., Ltd (Center Enamel) demonstrates exceptional engineering capability in large-scale, durable fabrication and high-integrity containment, ensuring these critical pressure vessels meet international safety and performance specifications.
Driving Unmatched Efficiency and Sustainability
Deploying robust STHE systems for flue gas WHR delivers sustained economic and environmental benefits:
Optimizing Energy Savings: Recovered high-grade heat directly offsets primary fuel consumption, achieving significant improvements in thermal efficiency and superior return on investment.
Ensuring Process Stability and Longevity: Robust construction resists extreme mechanical and thermal stresses, maximizing operational uptime and minimizing maintenance requirements.
High Performance for Large Flows: Custom-designed for massive industrial exhaust volumes, STHEs ensure high heat recovery efficiency while maintaining acceptably low pressure drop.
Versatile Heat Utilization: Recovered energy can be deployed flexibly for internal process heating, electricity generation via ORC technology, or integration into nearby facilities.
Partnership for Industrial Energy Efficiency
Successful flue gas WHR implementation requires partnership with manufacturers combining deep heat transfer expertise with uncompromising fabrication standards. The choice of heat exchanger represents a direct investment in a plant's long-term energy profile.
Shijiazhuang Zhengzhong Technology Co., Ltd (Center Enamel) offers more than equipment—they provide partnerships rooted in industrial integrity and engineering excellence. Their established track record in delivering durable, reliable solutions demonstrates capability to build heat exchangers that are both highly effective and structurally sound for challenging high-temperature WHR operations.
Durable Shell and Tube Heat Exchangers form the cornerstone of efficient and safe flue gas waste heat recovery. By offering maximum heat capture, unparalleled resistance to high temperatures, corrosion, and erosion, and providing foundational process stability, STHEs are indispensable to modern industrial operations. These advanced devices are core components of a resilient and efficient global industrial sector, powered by the engineering expertise and quality standards of companies like Shijiazhuang Zhengzhong Technology Co., Ltd (Center Enamel).
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