Discharging control method and system for nose electrical precipitator for reducing air leakage rate of sintering system
A technology of electrostatic precipitator and control method, applied in power supply technology, electrostatic separation and other directions, can solve the problems of large air leakage rate of sintering system, fragile material level switch, unreliable material sealing method, etc.
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Embodiment 1
[0059] Please refer to the attached image 3 , image 3 It shows the flow of the control method for dust discharge of the head electrostatic precipitator for reducing the air leakage rate of the sintering system provided by Embodiment 1 of the present invention.
[0060] The head electrostatic precipitator in Embodiment 1 of the present invention includes a plurality of electric fields, and each electric field is provided with a plurality of ash storage bins, and each electric field has the same scale, and each electric field is provided with a plurality of ash storage bins, and each ash storage bin The bin is provided with a dust discharge valve. image 3 The process shown includes:
[0061] S101. Obtain the electric field serial number of the first ash storage bin of the electrostatic precipitator at the machine head.
[0062] The head electrostatic precipitator has multiple electric fields, and each electric field has multiple ash storage bins, and each ash storage bin h...
Embodiment 2
[0103] The second embodiment is improved on the basis of the first embodiment, how to determine the actual ash unloading period when the ash storage bin belongs to the first electric field.
[0104] Please refer to the attached Figure 4 , Figure 4 What is shown is the process of obtaining the actual ash unloading period of the head electrostatic precipitator provided by the second embodiment of the present invention.
[0105] Figure 4 The process shown includes:
[0106] S201. Empty the dust in the ash storage bin.
[0107] S202. Close the ash unloading valve of the ash storage bin after emptying.
[0108] S203. Detecting the first settling time for the dust in the ash storage bin to settle from an empty bin to a low material level.
[0109] S204. Detect the second settling time for the dust in the ash storage bin to settle from the empty bin to the high material level.
[0110] In steps S203 and S204, it is usually realized by detecting the time elapsed from the star...
Embodiment 3
[0119] Please refer to the attached Figure 5 , Figure 5 It shows the process of calculating the actual dust removal ratio between the current rear electric field and the first electric field to which the ash storage bin belongs according to the third embodiment of the present invention.
[0120] Figure 5 The process shown includes:
[0121] S301. Detect the third settling time for the dust in the ash storage bin to settle from an empty bin to a high material level.
[0122] In this step S301, the ash storage bin does not belong to the first electric field, but belongs to a subsequent electric field of the first electric field, that is, the current and subsequent electric field. As described in the above two embodiments, usually the detection of the third settling time is also realized by detecting the action of the material level switch.
[0123] S302. Calculate the actual dust removal ratio between the current rear electric field and the first electric field.
[0124]...
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