Coal ash contamination characteristic test method
A characteristic test and contamination technology, which is applied in the field of coal ash contamination characteristic test, can solve problems such as unformed
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Embodiment 1
[0038] The first step: Put the Baorixile lignite coal powder into the furnace and add oil for mixed combustion, the ratio is: 10:1, because the flue gas flow after the pulverized coal combustion will contaminate the heating surface passing through, the said heating surface The surface is: screen radiation superheater 8, primary superheater 9, secondary superheater 10, tertiary superheater 11, air preheater 4, after the combustion is stable, blow soot on each heating surface and stabilize for 15 minutes Then record a set of parameters as the parameters before contamination, that is, the data at time 0 in the table below;
[0039] Step 2: Measure the manual measurement parameters every 30 minutes, and the data acquisition instrument collects data every 30 seconds. The data of the first and second steps are detailed in the table below:
[0040]
time
Min
0
30
60
90
120
150 blow
...
Embodiment 2
[0046] Step 1: put Vietnamese anthracite coal powder into the furnace and add oil for co-firing, the ratio is: 50:1, because the flue gas flow after the pulverized coal combustion will contaminate the heating surface that flows through, the heating surface is: Panel radiant superheater 8, primary superheater 9, secondary superheater 10, third-stage superheater 11, air preheater 4, after the combustion is stable, blow soot on each heating surface, and record a The group parameters are used as the parameters before contamination, that is, the data at time 0 in the table below;
[0047] Step 2: Measure the manual measurement parameters every 30 minutes, and the data acquisition instrument collects data every 30 seconds. The data of the first and second steps are detailed in the table below:
[0048] time
Min
0
30
60
90
120
150 blow
gray queen
Coal amount for test coal sample
kg / h
30.41
...
Embodiment 3
[0054] Step 1: Put Shigetai coal powder into the furnace and add oil for co-combustion, the ratio is: 15:1, because the flue gas flow after the combustion of coal powder will contaminate the heating surface that flows through, the heating surface It is: panel radiant superheater 8, first-stage superheater 9, second-stage superheater 10, third-stage superheater 11, air preheater 4, after the combustion is stable, soot blowing is performed on each heating surface, and after 20 minutes of stabilization Record a set of parameters as the parameters before contamination, that is, the data at time 0 in the table below;
[0055] Step 2: Measure the manual measurement parameters every 30 minutes, and the data acquisition instrument collects data every 30 seconds. The data of the first and second steps are detailed in the table below:
[0056]
time
Min
0
30
60
90
120
150 blow
gray qu...
PUM
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Abstract
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