1. Product Function
1, pulverized coal gasification pipeline pulverized coal flow velocity, density, flow measurement, participation in measurement, control and interlocking;
2, pulverized coal injection system pulverized coal flow velocity, density, flow measurement;
2. Product Features
1, advanced technology, mature models, accurate measurement results, stable and reliable, to avoid remote calibration;
2, the industry's unique density of the original signal acquisition technology, compared with the differential technology, in the stability, accuracy has obvious advantages for the measurement results of the stability, accuracy, real-time provided a good guarantee;
3, Mature and reliable mathematical model of density calculation, the calibration process is simple and easy, to ensure the accuracy of the measurement of density (100mg / cm3 ~ 650mg / cm3) within the scope of the whole working conditions.
4, excellent original signal amplification processing (adaptive amplification technology) technology to make the flow rate is stable and accurate measurement covers a larger range of density conditions 60mg / cm3 ~ 890mg / cm3);
5, with advanced correlation and stability algorithms, measurement results with excellent accuracy, stability, real-time;
6, high wear-resistant, high-strength structural design, unique circuit design and selection of electronic components, has good high temperature performance and anti-environmental corrosion, to ensure the safety and life of equipment.
7, assembly type lining design, easy to replace the liner, significantly reduce customer maintenance costs later;
Note: This equipment is only suitable for inert gas conveying dense phase coal powder condition, the use of air delivery there may be caused by the excitation of static electricity explosion.
3. Product Composition
System consists of two parts, namely the host and sensor:
(A) host (single wall-mounted)
(B) host (plug-in box, a rack of four hosts, a single host two signal output)
(C) Sensor
4.Technical Parameters
Parameter item |
Parameter |
Remarks |
Flow rate range |
0.0~15m/s(Pulverized coal density required for stable, accurate flow rate measurements should not be less than 60mg/cm3); |
|
Density range |
0mg/cm3~1000mg/cm3 100mg/cm3~650mg/cm3 |
|
Pulverized coal mass flow measurement |
0 ~ 1.5Akg / s. A is the pipe cross-sectional area, unit cm2; |
|
Flow measurement accuracy |
Better than ± 3% (under well-calibrated conditions); |
|
Working pressure |
The maximum working pressure 6MPa (beyond this standard to be customized); |
|
Transmission medium maximum working temperature |
120℃ |
|
Pipe diameter |
5mm~300mm |
|
Sensor power supply |
24V DC |
|
Host (secondary instrument) power supply |
220V AC |
|
Host (secondary instrument) signal output |
Two 4 ~ 20mA (two signal output, flow rate, density, flow three election two) |
|
Host (secondary instrument) power output |
24V DC |
|
Sensor and host (secondary instrument) communication |
RS485, the distance is not more than 1000m |
|
Sensor and the host (secondary instrument) connection |
Four-wire system |
|
Sensor protection rating |
IP65 |
|
Sensor explosion-proof rating |
Ex d ⅡB T6 Gb |
|