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Characteristics and application fields of high frequency welding finned tube radiator

The base tube and the fin are firmly welded, the contact thermal resistance is small, the sheet distance is uniform, the wrinkle is small, it is not easy to accumulate dust, and the heat exchange efficiency is greatly improved. It is widely used in the waste heat recovery of heating furnaces, boilers, kilns, hot air furnaces and drying towers. Compared with traditional wound-tube air coolers, the outstanding advantages of high-frequency welded finned tube radiators are large heat dissipation area and cooling capacity. High, low air resistance, and its performance remains basically unchanged with the increase of service life.

Jul 04,2023

How to buy SRZ finned tube radiator

The base tube of the traditional SRZ finned tube radiator is generally Φ 21*2 stainless steel or carbon steel tube, the height of the strip steel used for winding the sheet is 15mm, and the sheet distance is 5-8mm. The thickness of the sheet is generally 0.23-0.38mm.

Jul 04,2023

Advantages of spiral high frequency welding finned tube

As a commonly used heat exchange element, high frequency welding finned tube needs to work for a long time under high temperature flue gas environment. For example, finned tubes used in boiler heat exchangers are used in harsh environments, high temperature and pressure, and corrosive environments. High-frequency welded finned tubes should have high-performance indicators, mainly including: corrosion resistance, wear resistance, low contact thermal resistance, high stability and anti-fouling ability.

Jul 04,2023

How to choose the material of finned tube radiator

The choice of finned tube radiator material determines the life of the heat exchanger and the cost of the equipment. When we choose the material according to the working conditions, we can choose the radiator with high cost performance, thereby reducing the production cost of the enterprise.

Jul 04,2023

What is the use temperature of the finned tube radiator related?

And fin material, such as fin material for aluminum, melting point is 660 ℃. Therefore, the steel-aluminum composite finned tube is not suitable for the heat exchange system of high temperature flue gas. Considering that the high-temperature flue gas has sulfur components, the finned tube radiator uses ND steel, and the fin type uses high-frequency spiral finned tubes.

Jul 04,2023

Seven Key Points of Finned Tube Radiator Purchase

How to choose a finned tube radiator is indeed a problem that consumers need to think about. Some customers pay attention to thermal efficiency and care about whether they can obtain obvious results in a short period of time; some focus on corrosion resistance due to environmental factors; and care about whether the appearance is beautiful, so on.

Jul 04,2023

The main advantages of high frequency welding finned tube

The main advantages of high-frequency welded finned tubes are: high production efficiency, continuous winding production; low cost, it relies on the characteristics of high-frequency welding itself-skin effect to heat the surface of the workpiece to achieve the purpose of welding, welding process does not need to add any filler metal material; Since the high-frequency current only passes through the shallow surface of the steel pipe and the welding heat affected zone is small, it is not necessary to consider the additional wall thickness caused by the design calculation; the workpiece does not require heat treatment after welding.

Jul 04,2023

Factors of selecting finned tube for steam radiator

As the name implies, the steam radiator is a fin heat exchanger that uses steam for heat exchange. Its basic structure is composed of steel frame and heat dissipation tube, the core part of the heat transfer is finned tube.

Jul 04,2023

Three Mistakes in Maintenance of Finned Tube Radiator

The good maintenance of the finned tube radiator can guarantee the heating effect of the radiator and increase the service life of the radiator. However, if the repair method is improper, it will also bring adverse effects. There are three errors in the maintenance of the finned tube radiator:

Jul 04,2023

Use of finned tube radiator

Fins are installed on the heat exchange tubes to increase the heat dissipation area of the cold heat exchanger, which can be summarized as "finned tube radiator". Finned tube radiators can be divided into wound type, tandem type, welded type, and rolled type according to the structure of the fins. Commonly used materials are steel, stainless steel, copper, aluminum, etc.

Jul 04,2023

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