Product Overview
The Fluorine and Chlorine Analyzer is designed for elemental analysis in coal-quality laboratories, power plants, coal-chemical facilities, and research institutions. The supplied method description focuses on fluorine determination in coal using high-temperature combustion hydrolysis followed by fluoride ion-selective electrode measurement. The fluorine procedure is designed in accordance with GB/T 4633-2014, Determination of Fluorine in Coal, and combines controlled furnace heating, automatic sample introduction, hydrolysis, and high-precision ion measurement.
How It Works
A coal sample is mixed with a small quantity of quartz sand and heated in a flowing mixture of oxygen and steam at approximately 1100 deg C. Fluorine compounds in the coal are converted into volatile fluorides, carried into the condensate, and quantitatively dissolved in water. A fluoride ion-selective electrode is used as the indicator electrode and a saturated calomel electrode as the reference electrode. The fluoride-ion concentration is determined by the standard-addition method and used to calculate the fluorine content of the coal sample.
Key Advantages
A Chinese-language LCD interface provides clear parameter display and straightforward operation for routine laboratory testing.
PID furnace-current control provides accurate temperature regulation and helps extend the service life of the silicon carbide heating element.
Precision, low-drift components support long-term measurement stability during high-temperature combustion hydrolysis.
The automated feeding system reduces manual handling and helps improve consistency between sample tests.
Fault self-diagnosis and overtemperature protection support safer operation and easier troubleshooting.
A high-accuracy digital ion meter is supplied for fluoride-ion determination, while a TOCOS evaporation-adjustment potentiometer provides stable linear control and long service life.
Applications
Suitable for coal-testing laboratories, thermal power plants, coal-chemical enterprises, environmental and industrial testing organizations, universities, and research institutes that require fluorine analysis in coal samples. Confirm the applicable chlorine method and hardware configuration if chlorine determination is required.
Model Selection Guide
| Parameter | Specification |
| Temperature Control Accuracy | 1000± 2 deg C at the controller, corresponding to a furnace temperature of 1100± 2 deg C |
| Heating Time | Approximately 25 minutes to reach 1100 ± 2 deg C |
| Temperature Setting Range | 900 to 1200 deg C |
| Test Method | High-temperature combustion hydrolysis |
| Method Precision | Designed to meet GB/T 4633-2014 requirements for fluorine determination in coal |
| Power Supply | AC 220 V± 10 percent, 50 Hz |
| Maximum Power | No more than 3.5 kW |
