System of video surveillance and thermography D-VTA 200
A modular system for monitoring industrial high-temperature processes provides continuous non-contact
optical and thermal analysis of the combustion process in the combustion chamber.
Application area:

• Fixing the temperature distribution in the combustion chamber; unbalanced combustion analysis
• Visualization and analysis of the temperature distribution on the grate during biomass burning and mixed combustion
• Analysis of the combustion process and control of slag formation at power plants
• Visualization and analysis of the combustion process in waste processing plants
• Monitoring processes of ore calcination and pyrolysis of hazardous waste in the chemical industry
• Control of annealing furnaces and continuous furnaces in metallurgy
• Control of scale formation and monitoring of charge melting in glass production

Video probe
The probe design is specially designed for use in the most difficult conditions. The video probe includes the optical part - a borescope or videooscope used to transmit images, and an industrial CCD camera located outside the furnace in a cooled case.
The probe body serves to protect the lens from mechanical and thermal influences.
The purge air is used to cool the camera body and protect the lens system from contamination.
The absence of moving parts (mirrors, drives) in the combustion zone ensures high reliability of the system with minimal maintenance.
Field components

• A pneumatic actuator equipped with measuring instruments to control the flow, pressure and temperature of the air supplied to the purge, as well as a reservoir with an emergency supply of air, is designed to remove the sensor from the furnace at the command of the operator or if there is a danger of destruction
• The field control cabinet is used to control the video probe, as well as process and transmit the signal to the system PC and video monitor via fiber optic communication

Information Processing and Presentation Tools

• System PC for calculating process temperature, processing, storage and presentation of thermography data
• Video monitor

Basic equipment
The basic equipment of the system includes all the components described above, except for the system PC. The system in the basic configuration allows you to get a video image of the process in real time on a color monitor.
Termografiya
Thermographic analysis
For thermographic analysis, in addition to the basic configuration of the system, a system PC with special software operating on the principle of an optical pyrometer is required. Thermographic analysis allows the system to perform the following additional functions:

• Determination of temperature at any point falling within the surveillance zone of the video probe
• Formation of a thermographic image of the process and analysis of temperature distribution over the volume of the furnace
• Determination of temperatures in areas of interest and along lines (ROI = area of ​​interest / LOI = line of interest)
• Determination of abnormal areas in the combustion zone

All thermography data can be transferred to the process control system via a standard interface.
Application

• Garbage processing plants
• Power plants
• Chemical and petrochemical industry

1. Control of gas or liquid fuel burners of any power
2. Suitable for intermittent as well as continuous operation (AAL 75 POD only)
3. Easy DIN Rail Mounting TS 35

The flame monitor consists of a flame sensor and a control unit.

• Optical sensors convert the ultraviolet radiation of a flame into an electrical signal
• In the presence of a flame, an ionization sensor generates an ionization current.

Flame detector for monitoring the combustion of gas and liquid fuels for use in gas turbines and other types of equipment with especially harsh operating conditions
Operating principle
Combining the high sensitivity of the photocell and the robust design, the D-GT800 / 801 is suitable for use in harsh environments such as gas turbines.
A photodiode detects almost all types of blue flame, for example a gas having a low content of radiating components in the visible spectrum.
The D-GT 800/801 is available with various photocells, which allows you to choose the best sensor for your specific application.

Flame sensor for monitoring the combustion of a gas, liquid, coal type of flame.
It is used in single burner systems.
Operating principle
The sensor element integrated in the sensor will generate an electrical signal, depending on the flame intensity, which is sent to the flame sensor control unit or the burner control unit.
Depending on the fuel used, various sensors are used for the D-LE 103 flame detector.
Models:

• - CG - with cable gland
• - P - with plug connector

A unit with a self-diagnosis function, fail-safe for controlling optical flame sensors DURAG UV, UV + IR or IR range for monitoring torch burners for liquid, gas and coal fuels for use in multi-burner units.
The D-UG 660 flame sensor control unit processes the signal received from the flame sensor.
Information about the current settings and the status of the flame signal is constantly displayed on the display.
Flame intensity and flame signal can be transmitted via two 0 / 4..20 mA outputs for subsequent analysis.

The automatic control unit for burners operating on gas and liquid fuels, as well as combined burners on liquid / gas fuels of any power with a self-diagnosis function, is fail-safe.
Operating principle
When starting gas and liquid fuel burners, a certain ignition sequence must be required, which is ensured and controlled automatically by the burner control unit.
The D-GF 150 implements several programs that provide the following automatic sequences:

• Gas burner ignition with chamber pre-purge
• Gas burner ignition without first purging the chamber
• Ignition of a liquid fuel burner with preliminary purging of the combustion chamber
• Ignition of a liquid fuel burner without first purging the combustion chamber

Pneumatic device for automatically moving the ignition peak to the ignition position and its subsequent
withdrawal from the combustion zone.
Operating principle
For reliable ignition using a high energy electric igniter, it is necessary that the electric discharges generated at the end of the ignition peak are in direct contact with the gas-air mixture. But the temperature in the optimum ignition zone during burner operation is usually extremely high and can damage the tip of the ignition peak.
The pneumatic feeding device is designed to move the ignition peak to the ignition position and then return it to the position in which the ignition tip will be outside the hot zone.