PTB
PTB Packaged Tubular Heaters
Packaged direct-fired tubular heaters for crude oil, oil emulsions, petroleum products and other process streams.
View detailsEquipment
PPT / PP / PBTPPT Indirect-Fired Process Heaters
Process heaters using a liquid heat-transfer bath between the burner and process coil.
Purpose
Heat process streams to the target temperature considering viscosity, pressure, duty and operating mode.
Arrangement and integration
Equipment functional diagram
The diagram identifies the principal process duties, equipment connections and product handover points. Final scope, redundancy and battery limits are established from project data.
Oil / emulsionFuel gasAuxiliary line
A typical equipment arrangement is shown. Final execution, redundancy and valve scope are established during engineering.
Engineering basis
Design parameters
Final ratings, materials and supply scope are established from project-specific operating data.
| Throughput | 500–500,000 kg/h* |
|---|---|
| Heat duty | 0.1–10 MW* |
| Process inlet / outlet temperature | −50 to +50 °C / 0 to +70 °C* |
| Process pressure | up to 20 MPa* |
| Fuel | natural, associated or LPG fuel gas; diesel, fuel oil or crude oil* |
| Design life | steelwork — 20 years; coil and firebox — 10 years* |
Process functions
Principal process duties
- Heat-transfer-fluid heating by the burner
- Process-fluid heating through a coil
- Automatic control and safety shutdown
Typical scope
Main equipment
- 01
Main process vessel or package
- 02
Skid, supports, platforms and piping
- 03
Valves, instrumentation and protection systems
- 04
Insulation, heat tracing, shelter and electrical systems as required
Questionnaire
Data required for engineering
Worked examples and vessel-volume fields are retained. Use them as guidance or provide parameters from an existing design.
- 01
Process fluid and physical properties
- 02
Flow, pressure and temperature for all cases
- 03
Required process result and allowable pressure drop
- 04
Materials, climate and installation category
- 05
Dimensional constraints, battery limits and automation requirements
Proposal request
Operating data for a technical and commercial proposal
Attach the completed questionnaire or provide the principal operating data below. Equipment scope, design ratings and battery limits follow engineering review.
Email the questionnaire, specification and attachmentsRelated scope
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