Dust online monitoring device

Product overview

FKD-600C series dust online monitoringThe measuring instrument measures the electrostatic induction of dust particles passing through a fixed probe. Dust particles and probes induce static charges, which are amplified by the probe and transmitted to the monitoring and control system.

The size of static charge is proportional to the flow rate of dust particles. The high-tech electronic circuit of this system converts this part of the charge into a control signal output, activates the dust over limit emission alarm, and is used to continuously record the total amount or concentration of dust particles.

FKD-600CThe series of devices provides the latest communication coupling technology in the world. This is the most accurate and stable monitoring technology in modern times, particularly suitable for continuous emission recording and data accumulation. The working principle of this monitoring system is to use the charge induction generated by the flow of dust particles around the probe to confirm the online emission of dust particles（Mg/sec) or emission concentration (mg/m3).

Under relatively stable combustion conditions (i.e. at the same emission point, there is no significant change in flow rate, temperature, pressure, humidity, and particulate properties of smoke particles, with a variation of less than ± 90%), this system can also be used for online monitoring of emission concentration (unit=mg/M3) after direct calibration.

technical specifications

Operating environment temperature -20℃～60℃ (electronic components)

Operating environment humidityNo condensation90%

Operating environment vibrationMaximum continuous oscillation, any direction, any frequency: root mean square value2g (20m/s2)

Operating environment electromagnetic fieldexist50Maximum value at Hertz=60A/m (Equivalent to one1Mi x1Inside the square electromagnetic coil, there is50ATThe magnetic field)

Protection of operating environmentProtection level:IP66/NEMA4Aluminum alloy shell, suitable for installation in non corrosive environments, stainless steel probe

Pipeline gas pressure -0.1–1MPa

Pipeline gas flow rate 1m/s～30m/s

Pipeline gas temperature 0℃～250℃（260℃-800C can be customized)

Outer diameter of pipeline 0.1Mi~4 rice

Probe structureThe standard probe isφ16mm, Length100mm-1000mmProbe material: Rare earth amorphous alloy,

Dust particle size rangenominal0.1μM～200 μMIt can still receive signals outside the nominal range, but the signal characteristics are slightly different.

Powder materials include various particulate matter such as dust, coal powder, flour, dust, smoke, graphite, manganese dioxide, quicklime, etc

Zero drift（time)Below range every year1%.

Zero drift（temperature)Within the specified temperature range, below the measuring range1%.

Full-scale drift（time)Below range every year1%

Full-scale drift（temperature)Within the specified temperature range, below the measuring range1%.

All components of the line stability system are made of high stability electronic assemblies.

Noise resistanceall50 perhaps60 Hertz audio and harmonics are all filtered out before the signal is received

Measurement range 0-10mg/50mg/100mg/200mg/1000mg/30g/100g/mg?

Transmitter output modetwo-wire system4 –20mA(Built in isolator, explosion-proof and anti-interference)

Transmitter power supply 24V (15V)–32VDCAvailable within the scope)

Measurement accuracy ±5%

Probe length selectionPlease select the probe length according to the formula, that isD/3≤L≤2D/3

(Among them:D- Inner diameter of the pipeline,L- Probe length)