21 samples can be placed at one time, with high testing efficiency.
1. The test results are accurate, accurate, and stable. Optimize system design to ensure complete combustion of coal samples, complete SO electrolysis, and complete current (charge) integration in all aspects.
2. High accuracy and low drift hardware integration signal circuit design. A single microcontroller performs hardware integration in a timely manner during the electrolysis process, completely overcoming the disadvantage of software integration that is prone to missing data. The integration is complete, effectively ensuring the accuracy of measured values;
3. The high-temperature furnace is heated by silicon carbon tubes, with platinum rhodium platinum thermocouples for temperature measurement and computer temperature control
4. The double rod sample sending mechanism greatly improves the stability of sample sending, and the unique lifting and pushing structure effectively avoids sample sending and sample clamping failures;
5. Widened and thickened platinum electrolytic electrode sheet (195mm ²) And indicator electrode piece (77mm ²)， Compared to ordinary instruments, their area increases by 30% and 4 times respectively, with large contact surfaces and more accurate and complete integration.
6. High degree of automation, automatic heating, constant temperature, cooling; Store and process test data.
7. After placing 21 samples at a time, the system automatically sends samples, conducts experiments, produces samples, and loses samples, which can be unattended. During the experiment, samples can be added or replaced at any time;
8. The system design fully considers the fatigue resistance of instruments (especially components in high-temperature environments). The high-temperature furnace uses imported new materials, which has good thermal insulation effect and long service life;
9. Unique working model and device design minimize the water vapor flowing into the drying tube; Assisted by a large capacity drying tube, effectively reducing the frequency of drying agent replacement, operator labor intensity, and operating costs;
10. Adopt a maintenance free air pump with stable performance, no need to replace the rubber bowl, and long service life;
11. The air tightness inspection is convenient, and the operator can automatically complete it with a flick of his finger;
12. A new corrosion protection design for electrolytic cell leakage prevents abnormal leakage from causing corrosion to the instrument;
13. Equipped with a sound attenuation device, healthy and environmentally friendly.

The WDL-9000B microcomputer fully automatic sulfur analyzer adopts the coulometric titration principle and is suitable for detecting the total sulfur content in combustible materials such as coal, coke, petroleum, and solid biomass fuels, as well as the SO3 content in cement.

1. Sulfur measurement range: 0.01%~100%
2. Single sample test time: 3-5 min/sample
3. Number of small lofts: not less than 21
4. Temperature control accuracy: ± 1 ℃
5. Electrolytic cell volume: not less than 400mL
6. Electrolytic electrode area: 195mm ²
7. Indicator electrode area: 77mm ²
8. Power supply: (220 ± 22) V, (50 ± 1) Hz
9. Instantaneous high power of high-temperature furnace: ≤ 3Kw
10. High temperature furnace temperature: 1150 ℃ (coal) 900 ℃ (oil) 1190 ℃ (cement)
11. Temperature rise time: rise to (1150 ± 5) ℃ for no more than 25min