Heat exchangers such as "pipe in pipe"
Heat exchangers steel enameled type "pipe in the pipe" are designed for heat exchange with corrosive liquids (in the tube space).
Working pressure, MPa (kgf/cm2):
in the case: 0,6 (6,0) or residual not less than 0.04 (300 mm Hg)
in a shirt: 0,6 (6,0)
Permissible wall temperature:
in the case:
• in an acidic environment - from minus 20 to plus 200°C;
• in a neutral environment - from minus 20 to plus 150°C;
• in an alkaline medium:
○ at pH=11 - from minus 20 to plus 130°C;
○ at pH=12 - from minus 20 to plus 110°C;
○ at pH=13 - from minus 20 to plus 90°C;
○ at pH=14 - from minus 20 to plus 80°C.
in a shirt: from minus 20 to plus 200°C.
Fittings table
| Area of heat exchange, m2 | Characteristic | |
|---|---|---|
| А | Б | |
| Steam input, for instrumentation | Steam output, for instrumentation | |
| Nominal passage, mm | ||
| 0,25 | 40 | 40 |
| 0,4 | 65 | 65 |
| 1,0 | 65 | 65 |
Technical characteristics of heat exchangers
| Notation | Heat exchange surface, m2 | D, mm | D1, mm | d, mm | d1, mm | n, шт | l, mm | l1, mm | Overall dimensions | Weight, kg | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| length, L | width, B | height, H | ||||||||||
| СЕтв 0,25-12-01 | 0,2 | 57х6 | 82 | 110 | 14 | 4 | 130 | 1240 | 1575 | 140 | 395 | 35 |
| СЕтв 0,4-12-01 | 0,4 | 108х8 | 120 | 170 | 18 | 4 | 200 | 1100 | 1500 | 205 | 400 | 75 |
| СЕтв 1,0-12-01 | 1,0 | 219х6 | 268 | 280 | 18 | 8 | 250 | 1100 | 1500 | 205 | 400 | 75 |