Stainless Steel Finned Tubes for Factory Cooling Furnaces

Stainless steel finned tubes for factory cooling furnaces

1. Excellent heat dissipation and cooling performance of stainless steel finned tubes

The base tube of the stainless steel finned tube is tightly combined with the fins. When a high-temperature fluid or object comes into contact with the stainless steel finned tube, the heat is quickly transferred from the base tube to the fins. The large area of ​​the fins increases the chance of contact with the surrounding air, and the heat is quickly dissipated into the air through strong thermal convection.

예를 들어, in the cooling furnace of a steel plant, the hot billet needs to be cooled quickly to meet the requirements of subsequent processing technology. Stainless steel finned tubes can efficiently absorb the heat of the billet and dissipate it in time, greatly shortening the cooling time.

Compared with traditional cooling methods, it can reduce the billet temperature to a suitable range in a shorter time, improving production efficiency.

This efficient cooling performance can ensure the uniformity of cooling, avoid quality problems such as stress deformation of the billet due to uneven local cooling, ensure the quality stability of the product, and lay a good foundation for subsequent processing and use.

2. Excellent corrosion resistance and high temperature resistance of stainless steel finned tubes

The working environment of factory cooling furnaces is usually harsh, with high temperature, oxidation and possible corrosive gases or media.

Stainless steel finned tubes show excellent corrosion resistance and high temperature resistance due to their stainless steel material. Stainless steel contains alloy elements such as chromium and nickel, which can form a dense passivation film on the surface, effectively resisting high temperature oxidation and erosion by various corrosive substances.

In the cooling furnace of a chemical plant, it may be exposed to some acidic or alkaline gases, steam, etc., and the stainless steel finned tube can still maintain stable performance and will not be easily corroded and damaged.

Even if it continues to work under high temperature, high pressure and corrosive environment for a long time, it can maintain good heat dissipation and cooling effect, greatly extending the service life of the equipment. This not only reduces the replacement frequency and maintenance cost of equipment, but also ensures the continuity and stability of factory production, and reduces the risk of production interruption caused by equipment failure.

3. Flexible design and convenient installation and maintenance of stainless steel finned tubes

Stainless steel finned tubes can be customized in design and layout according to the specific shape, size and cooling requirements of the cooling furnace.

Whether it is a large industrial cooling furnace or a small special cooling equipment, you can find a suitable stainless steel fin tube configuration solution.

In terms of installation, its structure is relatively light and the installation process is relatively convenient. It can be installed in a variety of ways, such as hanging and bracket, which can adapt to different factory workshop layouts and installation conditions.

In terms of maintenance, stainless steel fin tubes are not easy to accumulate dirt due to their smooth surface, and the cleaning work is relatively simple.

Moreover, once a part fails or is damaged, its modular structure facilitates local replacement or repair, and there is no need to dismantle and rebuild the entire cooling system on a large scale, which further reduces maintenance costs and time costs, and improves the efficiency and flexibility of factory equipment management.

Stainless Steel Finned Tubes: Advanced Thermal Management for Industrial Cooling Furnaces

1. Enhanced Heat Dissipation Performance

The synergistic design of base tubes and fins achieves 3-5x greater heat transfer efficiency compared to bare pipes.

Table 1: Cooling Performance Parameters

ApplicationBase Temp Range (°C)Cooling Rate (°C/min)Surface Area Ratio*Material GradeSteel Billet800-120015-258-12×304/316LChemical Reactors200-5008-156-10x316L/2205Glass Annealing600-90010-207-11x310S/314*Compared to equivalent bare tubes

2. Manufacturing Process Flow

1. Tube fabrication: Cold-drawn seamless tubes with ≤0.1mm wall tolerance
2. Fin attachment:
   • High-frequency welding (≥95% contact ratio)
   • Spiral wrapping for high-temp applications (up to 650°C)
3. Surface treatment:
   • Electropolishing (Ra ≤0.8μm) for corrosion resistance
   • Ceramic coating option for extreme environments

3. Material Advantages

• Corrosion resistance: Chromium-rich passive layer withstands pH 2-12 environments
• Thermal stability: Maintains structural integrity at 20-800°C operating range
• Modular design: Customizable lengths (1-12m) and fin densities (80-300 fins/m)

4. 유지 관리 프로토콜

• Annual NDT inspections (PT/UT methods)
• CIP cleaning cycles (every 500-800 operating hours)
• Sectional replacement capability (flanged connections)