How are finned electric heating tubes classified according to the application?

- Jul 16, 2019-

 There are many types of finned tubes, and new varieties are constantly emerging. Finned tubes are generally classified in the following aspects in applications:

 

Finned tubes are classified according to the processing technology:

 

1. a string tube (sleeve tube);

 

2. Tension winding finned tube;

 

3. Insert tube;

 

4. Overall rolling finned tube;

 

5. Casting finned tubes;

 

6. Welded finned tubes, which are divided into: high-frequency welded finned tubes, submerged arc welded finned tubes, and so on. Classified by fin shape:

 

Square, rectangular, round finned tube;

 

2. Spiral finned tube;

 

3. Corrugated finned tube;

 

4. a zigzag finned tube;

 

5. Needle finned tube;

 

6. Longitudinal finned tube;

 

7. Overall plate finned tube (plate fin) and the like.

 

Finned tubes are classified by material

 

1. copper, Al, Cu/Al finned tube;

 

2. Carbon steel, stainless steel, carbon steel / stainless steel finned tube;

 

3. Cast iron (cast steel) finned tube; and so on.

 

Finned tubes are classified by purpose:

 

Finned tube for air conditioning;

 

Air-cooled finned tube;

 

Boiler: finned tube for water wall, economizer and air preheater;

 

Various kiln, finned tube for waste heat recovery of industrial furnace; other special purpose finned tubes;