
PPN-3 heat exchange chamber general layout.
GENERAL DATA
Modular tube furnace PPN-3 intended for heating of oil and oil emulsions during their infield transportation and treatment.
PPN-3 features
Climatic modification – U, HL by GOST 15150-69.
Placement category–1 by GOST15150-69.
Common specifications
|
Parameter |
Value |
|
Rated heat capacity, MW |
3.0 |
|
Oil emulsion related productivity, t/hr (kg/sec), within |
62.5…125 (17.4…34.7) |
|
Product temperature, °С: - at furnace input, min - at furnace output, max. |
+5 +90 |
|
Efficiency factor,% , max |
80 |
|
Product coil pressure, MPa (kgf/cm2): - working, max - estimated - hydro tested |
6.3 (63) 6.3 (63) 8.2 (82) |
|
Fuel parameters: - title - hydrogen sulphide content (H2S), % mass. max - furnace input pressure, MPa (kgf/m2), max - pressure before combustion chamber, MPa, within - air pressure inside combustion chamber, kPa - gas pressure before primer burner, MPa, within - primer burner fuel gas consumption, nm3/hr (nm3/sec) - fuel gas consumption, nm3/hr - air consumption, nm3/hr |
Natural / associated oil gas 0.002 0.1…0.3 (1.0…3.0) 0.005…0.05 3.0 0.06…0.18 3.0 (0.00085) 400 6000 |
|
Fuel parameters (diesel fuel, oil): - lower combustion heat, kcal/kg - hydrogen sulphide content (H2S), mass fraction, % max - pressure before nozzle, MPa (kgf/cm2), max - fuel consumption, kg/hr, |
6800 0.002
4.0 (40.0) 800 |
|
Number of combustion chambers |
2 |
|
Mass, kg, max: - furnace (in idle state); - heat exchange chamber; - furnace foundation block; - ventilation set block |
24600 15000 4000 1500 |
|
Service life, years, min |
10 |
|
Average overhaul life, years |
3.5 |

1) furnace foundation block;
2) heat exchange chamber;
3) ventilator set block
4) fume stack
PPN-3 general drawing.
|
Chokes and Flanges Table |
||||
|
Ref |
Designation |
Qty |
Nominal |
DN, mm |
|
A1 |
Oil inlet |
1 |
4.0 (40) |
200 |
|
Б1 |
Oil outlet |
1 |
4.0 (40) |
200 |
|
В1,2 |
Firefighting (nitrogen) choke |
2 |
1.6 (16) |
50 |
|
Г1,2 |
Fume gasoutlet |
2 |
200x1000 |
|
|
Д1 |
Gas inlet from GRP |
1 |
0.6 (6) |
50 |
|
Ж1,2 |
Safety valve |
2 |
- |
700 |
|
З1,2 |
Heat exchange chamber drainage |
2 |
0.1 (1) |
25 |
|
И1,2 |
Observation window |
2 |
- |
80 |
|
К1,2 |
Coil purge choke |
2 |
4.0 (40) |
15 (Rc 1/2) |
|
Л1,2 |
Coil medium temperature control |
4 |
- |
20 (M20x1.5) |
|
М1,2 |
Drainage of product lines |
2 |
4.0 (40) |
50 |
|
Н1,2 |
Fume gas temperature control |
2 |
- |
15 (M20x1.5) |
|
П1 |
Heat exchange chamber air sampling |
1 |
- |
50 |