The automated tubular block heater is designed for heating oil emulsions and oil at processing facilities with daily performance of 1500-3000 tons. The principle of the furnace operation is to heat the oil emulsion passing through the coil pipes due to the heat released by the combustion products and entering to the heat exchange chamber. Heat exchange process take place in chamber between the products of gas fuel combustion contacting the outer surfaces of the coil tubes and the heated fluid moving inside.
The furnace is controlled by a microprocessor automation system SA-PPN.M1-1B built according to the block-functional principle and consisting of control and signaling devices placed directly on the technological part of the furnace as well as in the room of the hardware block.
The hardware block is an insulated room which includes: Control panel, power rack, room heater and lighting.
Control system SA-PPN.M1-1B is performed on the basis of industrial controller Direct Logic type DL-260 (controller of another manufacturer can be installed optionally).
For communication with the top-level control the RS-232 or RS-485 interface with MODBUS RTU protocol is used which makes easy to integrate the furnace into the process control system of the site, and also to organize remote monitoring and control of its parameters.
If necessary, communication can be organized using any standard industrial protocol.
All this provides increased safety and reliability of the furnace.
Net heat capacity of the furnace, mW (gcal / h)
Oil emulsion performance, (t/h), within
Temperature of the oil emulsion at the inlet to the furnace (°C), min
Temperature of the oil emulsion at the outnlet to the furnace (°C), max
Pressure inside the coil, MPa, max
Natural or associated gas, liquid fuel (oil, mazut, diesel fuel)
Fuel gas pressure, MPa, within:
- at the inlet to the heater (after pressure reducer)
- at the combustion chamber
Fuel gas consumption, sm3/h
air consumption, sm3/h
Number of combustion chambers, pcs
Air pressure in the combustion chamber, MPa
Gas pressure at the pilot burner, MPa
Gas consumption for pilot burner, sm3/h
Fuel oil characteristics:
- density, kg/m³, max
- viscosity, m²/sec (cSt)
- hydrogen sulphide H2S, mole %, not max 2
- carbon dioxide, mole %, max 2
- operating temperature, (ºC), max
- inlet pressure at the heater, MPa, within
- pressure before burner, MPa, max
- fuel oil consumption, kg/h, within
Heated fluid - oil, oil emulsion, formation water, gas with content of, mole %, max:
- hydrogen sulphide H2S
- carbon dioxide CO2
Efficiency factor, % min
Power of the fan motor, kW
Weight, kg, max:
- heat exchange chamber
- heater base block
- fan assembly
Overall dimensions (length x width x height), mm, max
- average life before overhaul, years
- average service life, years