GE 3000 coal analyzer

GE 300 online radiometric coal ash content analyzer

GE 300 online radiometric coal ash content analyzer

What is coal analysis?

Coal analysis techniques are specific analytical methods designed to measure the particular physical and chemical properties of coals. These methods are used primarily to determine the suitability of coal for power generation or for iron ore smelting in the manufacture of steel. Ash content of coal is the non-combustible residue left after coal is burnt. It represents the bulk mineral matter after carbon, oxygen, sulfur, and water (including from clays) has been driven off during combustion. The remaining residue or ash is expressed as a percent of the original coal sample weight. The behavior of the coal’s ash residue at high temperature is a critical factor in selecting coals for steam power generation. Most furnaces are designed to remove ash as a powdery residue. Coal which has ash that fuses into a hard glassy slag known as clinker is usually unsatisfactory in furnaces as it requires cleaning.

GE 3000 by Enelex

The GE 3000 stands for a third generation of online coal ash content analyzers (ashmeters) enables online monitoring of actual values of the non-combustible content in coal flow on the conveyer belt and can provide information on quality and quantity of coal passing through the given technology in the real time. Using the GE 3000 can improve the mining process efficiency or optimize coal consumption in combustion process, which leads to significant costs saving.
The GE 3000 as the independent measurement device is able to provide maximum of real-time information on quality and quantity of material passing through the technology. The measurement method evaluates the coal non-combustible content according to differences of attenuation of two gamma beams of different energy passing through the coal. The method fulfills all common regulations in relation to safety and health protection.

 

How Coal testing done by GE 3000

The detection stage is placed on supporting frame installed on the conveyer belt in the place of measurement. It contains two radiation sources in protecting container placed under the belt, radiation detector and intelligent mathematic unit. The design of the detection stage is focused on maximum reliability and safety. The measurement radiation beam is directed through the conveyer belt, while the presence of persons nearby the device is not limited in any way.

The control stage provides user-friendly operational interface with displaying the data on the touchscreen panel. The control stage can be installed directly in operator workplace. Inside the control stage box, there are accessible terminals for connection of communication interfaces and other analog or digital inputs and outputs.

The control stage provides user-friendly operational interface with displaying the data on the touchscreen panel. The control stage can be installed directly in operator workplace. Inside the control stage box, there are accessible terminals for connection of communication interfaces and other analog or digital inputs and outputs.

It is possible to connect several remote terminals to the GE3000 and so distribute the data to different places if needed. The terminals can handle several tasks or also more than one ashmeter according to the use of each operator workplace. Measured and diagnostic data are stored automatically for reverse evaluation.

Features

  • Enables direct measurement on the conveyer belt without crushing.
  • No sampling equipment required.
  • Doesn’t affect conveyer belt operation.
  • No contact with the running coal.
  • No limitation of coal grain size, from coal dust upto the extracted coal.
  • Measurement accuracy not influenced by the layer thickness.
  • Highly resistive to vibrations, mechanical load and electromagnetic interference.
  • Enables to build a complete coal quality management system.
  • Can be used in complex system of coal quality correction and management system.
  • GE 3000Ex modification enables the use in explosive environment.
  • Multi-lingual interface

Operation

  • Online ash content measurement
  • Online calorific value determination
  • Determination of coal quantity
  • Batch measurement in time segment
  • Measurement interrupt on stopping the conveyer
  • Calibration data switching
  • Auto power-on
  • Analog outputs
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