Particulate matter electricity carrying capacity measurement device and method
A technology for measuring devices and particles, which is applied in the direction of measuring devices, measuring electrical variables, particle charging/ionization places, etc., can solve the problems that the removal efficiency is less than 50%, and the removal effect of sub-micron particles is not ideal, and achieves Simple structure, reasonable design, and the effect of controlling emissions
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[0034] Example 1
[0035] refer to Figure 1~4 , a device for measuring the charged amount of particulate matter, comprising a gas cylinder 14 connected in sequence, a particle generating device 13, a charger, a detector and an induced draft fan 4, and a first flow rate is provided between the gas cylinder 14 and the particle generating device 13 Meter 24, a second flow meter 25 is arranged between the detector and the induced draft fan 4; the charger is arranged at the left end of the detector, and the right end of the detector is communicated with the induced draft fan through a pipeline; the charger is connected to the charger through the first wire 21 The electrical high-voltage power supply 7 is connected, and the detector is connected with the detector high-voltage power supply 6 through the second wire 22 .
[0036] The charger includes the upper end 8 of the charger, the middle part of the charger formed by the ground electrode 11 of the charger, the lower end 12 of t...
Example Embodiment
[0048] Example 2
[0049] refer to Figure 1~4 , a method for measuring the charge of particulate matter, comprising the steps of:
[0050] (1) After the airflow output by the gas cylinder 14 passes through the first flow meter 24 to control the flow rate, it is mixed with particulate matter in the particle generating device 13 and enters the charge through the airflow inlet 15;
[0051] (2) After the particulate matter entering the charger is charged by the corona discharge between the discharge electrode 10 and the ground electrode 11 of the charger, it moves horizontally from the air outlet 16 into the detector; where the area of the air outlet and the main structure of the charger The area of the hollow cavity circle is equal;
[0052] (3) After the particles enter the detector, they move directionally under the action of the uniform electric field generated between the upper plate 5 of the detector and the lower plate 2 of the detector, and land on different positio...
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