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Combustion Laboratory | ThermoFlux – 7081

The Combustion Laboratory ThermoFlux – 7081 is a floor-mounted, mobile laboratory unit for studying combustion processes using a single-stage dual fuel burner rated at 22.6 to 34.3 kW on light oil (2 to 3 kg/h) or fuel gas (0.9 to 3.4 m³/h). The cylindrical water-cooled combustion chamber measures 460 mm diameter by 910 mm long, fitted with five 100 mm observation windows and a water-cooled sampling probe. This combustion laboratory unit is constructed on an anodized aluminium and stainless steel frame and is instrumented with digital indicators for air, oil, gas, and cooling water flow rates, cooling water temperature, and gas pressure, with UV sensor flame control. Optional LabVIEW-based DAQ software is available for Windows-based data acquisition and result processing.

The Combustion Laboratory ThermoFlux – 7081 is a floor-mounted laboratory unit designed for students to study combustion processes using a small-scale industrial dual fuel burner capable of burning light boiler fuel oil, LPG, or mains gas. This combustion laboratory apparatus is built around a water-cooled stainless steel combustion chamber with flame observation windows, a gas sampling probe, and full instrumentation for air flow, fuel flow, cooling water flow, temperature, and gas pressure measurement across a wide range of fuel flow rates and air-to-fuel ratios.


Product Overview

The Combustion Laboratory ThermoFlux – 7081 is a floor-standing unit comprising a dual fuel burner, a water-cooled combustion chamber, a control panel, and instruments, all at a convenient working height. The unit is built on an anodized aluminium frame with painted steel panels, and all main metallic elements are stainless steel. Wheels are fitted to facilitate mobility.

The single-stage dual fuel burner operates on light oil or fuel gas. On light oil, the burner output is 22.6 to 34.3 kW with a fuel consumption of 2 to 3 kg/h. On fuel gas, the output is 22.6 to 34.3 kW with a consumption of 0.9 to 3.4 m³/h. A self-aspiration fuel pump is fitted with a calibration pressure of 12 kg/cm². Gas pressure at the burner is 12 to 23 mbar. Flame control uses a UV sensor. Air adjustment is manual. The electrical power supply is 220V, 50Hz.

The cylindrical combustion and observation chamber measures 460 mm diameter by 910 mm long with water-cooled walls. It is fitted with five observation windows of 100 mm diameter and a water-cooled sampling probe. The cooling jacket is equipped with a thermometer, manometer, and pressure switch to prevent overpressure. All controls for air, oil, gas, and cooling water are manual.

The unit is fitted with sensors and digital indicators measuring flow rates of air, oil, gas, and cooling water, as well as cooling water temperature and gas pressure. With a flue gas analyser, the composition of flue gas can be determined and related to the air-to-fuel ratio. Optional DAQ software enables PC-based data acquisition in a LabVIEW environment.

Combustion Laboratory ThermoFlux – 7081 — Technical Specifications

Parameter Value
Unit Type Floor-mounted, dual fuel combustion laboratory
Frame Material Anodized aluminium
Panel Material Painted steel
Main Metallic Elements Stainless steel
Mobility Wheels fitted
Burner Type Single-stage, dual fuel
Burner Fuels Light boiler fuel oil, LPG, natural gas or mains gas
Burner Output (Light Oil) 22.6 to 34.3 kW
Fuel Consumption (Light Oil) 2 to 3 kg/h
Burner Output (Fuel Gas) 22.6 to 34.3 kW
Fuel Consumption (Fuel Gas) 0.9 to 3.4 m³/h
Fuel Pump Self-aspiration, calibration pressure 12 kg/cm²
Gas Pressure 12 to 23 mbar
Flame Control UV sensor
Air Adjustment Manual
Electrical Power Supply 220V, 50Hz
Combustion Chamber Shape Cylindrical
Combustion Chamber Dimensions 460 mm diameter x 910 mm long
Combustion Chamber Walls Water-cooled
Observation Windows 5 x 100 mm diameter
Sampling Probe Water-cooled
Cooling Jacket Instruments Thermometer, manometer, pressure switch
Controls Manual: air, oil, gas, cooling water
Instrumentation Digital indicators for air, oil, gas, and cooling water flow rates; cooling water temperature; gas pressure

Technical Data

Burner

Parameter Value
Type Single-stage, dual fuel (European)
Fuel Options Light oil, natural gas, LPG

Burner, Light Oil Mode

Parameter Value
Output 22.6 to 34.3 kW
Fuel Consumption 2 to 3 kg/h

Burner, Fuel Gas Mode

Parameter Value
Output 22.6 to 34.3 kW
Fuel Consumption 0.9 to 3.4 m³/h

Fuel Pump

Parameter Value
Type Self-aspiration
Calibration Pressure 12 kg/cm²

Combustion and Observation Chamber

Parameter Value
Shape Cylindrical
Dimensions 460 mm diameter x 910 mm long
Wall Cooling Water-cooled
Observation Windows 5 x 100 mm diameter
Sampling Probe Water-cooled

Cooling Jacket

Parameter Value
Instruments Thermometer, manometer, pressure switch
Protection Pressure switch to prevent overpressure

Control

Parameter Value
Air Adjustment Manual
Oil Control Manual
Gas Control Manual
Cooling Water Control Manual
Gas Pressure 12 to 23 mbar
Flame Control UV sensor
Electrical Power Supply 220V, 50Hz

Instrumentation

Parameter Value
Parameters Measured Flow rates of air, oil, gas, and cooling water; cooling water temperature; gas pressure
Display Digital indicators with sensors

Key Features

  • Combustion Laboratory Unit Type: Floor-mounted, mobile, dual fuel combustion unit with industrial-scale burner
  • Burner: Single-stage, dual fuel, light oil and gas, 22.6 to 34.3 kW output
  • Light Oil Fuel Consumption: 2 to 3 kg/h
  • Fuel Gas Consumption: 0.9 to 3.4 m³/h
  • Fuel Pump: Self-aspiration, calibration pressure 12 kg/cm²
  • Gas Pressure Range: 12 to 23 mbar
  • Flame Control: UV sensor
  • Air Adjustment: Manual
  • Combustion Chamber: Cylindrical, 460 mm diameter x 910 mm long, water-cooled walls
  • Observation Windows: 5 x 100 mm diameter ports for flame observation
  • Sampling Probe: Water-cooled, for flue gas composition analysis
  • Cooling Jacket: Thermometer, manometer, and pressure switch fitted
  • Frame: Anodized aluminium with painted steel panels, stainless steel metallic elements
  • Mobility: Wheels fitted for repositioning
  • Controls: Manual control for air, oil, gas, and cooling water
  • Instrumentation: Digital indicators for flow rates (air, oil, gas, cooling water), cooling water temperature, and gas pressure
  • Power Supply: 220V, 50Hz
  • Software: Optional LabVIEW-based DAQ software, Windows compatible

Experiments

  • Familiarization with the adjustment and operation of a commercial oil or gas burner
  • Assessment of a burner using clean light boiler fuels, natural gas, or LPG including:
    • Firing rate
    • Turndown range
    • Flame stability, flame shape, and flame radiation
    • Smoke emission
  • The effect of air/fuel ratio on combustion efficiency as measured by flue gas constituents, temperature, and heat transfer
  • Energy balance
  • Comparison of flue gas analysis with theoretical predictions
  • Comparison of oil and gas burners
  • Comparative performance of different fuels or fuel additives

Construction and Design

The Combustion Laboratory ThermoFlux – 7081 is a floor-mounted unit constructed on an anodized aluminium frame with painted steel panels. All main metallic structural elements are stainless steel. Wheels are fitted to the base to facilitate mobility. The single-stage dual fuel burner is mounted to fire into a cylindrical water-cooled combustion and observation chamber measuring 460 mm in diameter and 910 mm in length. Five observation windows of 100 mm diameter are fitted along the chamber for direct flame observation. A water-cooled sampling probe is installed for flue gas sampling and composition analysis.

The cooling jacket surrounding the combustion chamber is equipped with a thermometer, manometer, and pressure switch to prevent overpressure in the jacket. The self-aspiration fuel pump is calibrated at 12 kg/cm². Gas pressure at the burner is controlled between 12 and 23 mbar. Flame control is managed by a UV sensor. All controls for air, oil, gas, and cooling water are manual. This combustion laboratory unit is fitted with sensors and digital indicators measuring flow rates of air, oil, gas, and cooling water, as well as cooling water temperature and gas pressure. The complete assembly is arranged at a convenient working height for laboratory use.


Software

ThermoFlux – 7081 Software (Optional)

  • Developed in the National Instruments LabVIEW environment
  • Designed specifically for data acquisition with this apparatus
  • Measures, processes, and stores experimental results on a PC
  • A set of electronic sensors is included when the software option is selected
  • Compatible with any Windows operating system

Scope of Delivery

  • 1 experimental unit
  • 1 instructional manual

Q1: What fuels can the Combustion Laboratory ThermoFlux – 7081 burn?
The unit uses a single-stage dual fuel burner capable of burning light boiler fuel oil, LPG, and natural gas or mains gas. Both fuel modes deliver an output of 22.6 to 34.3 kW.

Q2: What are the dimensions and features of the combustion chamber in this combustion laboratory unit?
The cylindrical combustion and observation chamber measures 460 mm in diameter and 910 mm in length with water-cooled walls. It is fitted with five 100 mm diameter observation windows for flame observation and a water-cooled sampling probe for flue gas analysis.

Q3: How is the flame monitored and controlled?
Flame control is performed by a UV sensor. Air adjustment is manual. Gas pressure at the burner is maintained between 12 and 23 mbar.

Q4: What parameters does the instrumentation measure and display?
Digital indicators with sensors measure and display the flow rates of air, oil, gas, and cooling water, as well as cooling water temperature and gas pressure. A flue gas analyser can be used to determine flue gas composition and relate it to the air-to-fuel ratio.

Q5: Is the unit mobile and what is its frame construction?
Yes. The unit is fitted with wheels for ease of mobility. The frame is constructed from anodized aluminium with painted steel panels. All main metallic elements are stainless steel.

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