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PTB

PTB Packaged Tubular Heaters

Packaged direct-fired tubular heaters for crude oil, oil emulsions, petroleum products and other process streams.

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PTB packaged tubular heater arrangement
PTB packaged tubular heater arrangement

Purpose

Direct process-fluid heating in a coil for field treatment and pipeline transport duties.

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.

PTBPTB direct-fired heater functional diagramFunctional diagram
PTB Packaged Tubular Heaters: PTB direct-fired heater functional diagramHeater boundaryHeat dutyCold productProcess coilHeated productFuel and airBurner assemblyCombustion chamberFlue gas
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.

Model rangePTB-5-40E, PTB-5-63E, PTB-10E, PTB-10A/10AE*
Feed water cut0–90%*
Process throughput125–500 t/h depending on model*
Heat duty3.5–13.9 MW*
Coil operating pressureup to 4.0 or 6.3 MPa depending on model*
Outlet process temperatureup to +90 °C*
Design lifeheater — 20 years; coil — 10 years*

Process functions

Principal process duties

  • Firing of conditioned natural or associated gas
  • Direct heating of the process fluid in the tubular coil
  • Combustion and product-temperature control with safety shutdown

Typical scope

Main equipment

  • 01

    Heat-exchange chamber and process coil

  • 02

    Heater base with burner assemblies

  • 03

    Stacks, forced-draft package and access platforms

  • 04

    Fuel-gas conditioning, instrumentation and control system

Questionnaire

Data required for engineering

Worked examples and vessel-volume fields are retained. Use them as guidance or provide parameters from an existing design.

PTB questionnaire
  1. 01

    Process fluid and physical properties

  2. 02

    Flow, pressure and temperature for all cases

  3. 03

    Required process result and allowable pressure drop

  4. 04

    Materials, climate and installation category

  5. 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 attachments

Related scope

Equipment in the same category