Research Article

The Bidirectional Information Fusion Using an Improved LSTM Model

Table 1

Some relevant measurement points used in soft computing of the coal quality.

No.Name/unit

1Active power of the generator (MW)
2Total power of the generator (MW)
3Total coal supply (T/h)
4Current of the coal feeder (A)
5Current of the coal mill (A)
6Primary air volume at mill inlet (T/h)
7Primary air temperature at mill inlet (°C)
8Steam temperature at the outlet of the final reheater (left side) (°C)
9Steam temperature at the outlet of the final superheater (left side) (°C)
10Flow of the feed water (T/h)
11Temperature of the feed water (°C)
12Pressure of the feed water (MPa)
13Drum pressure (MPa)
14Drum water level (mm)
15Secondary air flow rate (T/h)
16Desuperheating water temperature of the superheater (°C)
17Outer wall temperature of the high-pressure cylinder (°C)
18Inner wall temperature of the high-pressure cylinder (°C)
19Inlet air temperature of the secondary heater (°C)
20Primary air pressure at outlet of the air preheater (MPa)
21Secondary air pressure at the inlet of the air preheater (MPa)
22Outlet air pressure of the forced draft fan (MPa)
23Current of the supply fan (A)
24Current of the primary fan (A)
25Outlet air pressure of the primary fan (MPa)
26Differential pressure between the secondary air box and the furnace (MPa)
27Inlet air temperature of the primary fan (°C)
28Outlet air temperature of the primary air heater (°C)
29Inlet air temperature of the primary air heater (°C)
30Negative pressure at the outlet of the extension end low-temperature superheater (MPa)
31Negative pressure at the outlet flue of the fixed end superheater (MPa)
32Temperature of the primary air (°C)
33Temperature of the hot secondary air (°C)
34Primary air duct pressure of the furnace (MPA)
35Main pipe pressure of the hot primary air (MPa)
36Outlet pipe temperature of the reheater (left side) (°C)
37Outlet pressure of the reheater (left side) (MPa)
38Working environment temperature of the coal mill (°C)
39Inlet temperature of the reheater desuperheater (left side) (°C)
40Desuperheating water flow of the reheater (left side) (T/h)
41Primary air pressure at mill inlet (MPa)
42Pressure of the reheater inlet (MPa)
43Inlet steam temperature of the low-pressure cylinder (_C)
44Exhaust temperature of the high-pressure cylinder (_C)
45Exhaust pressure of the high-pressure cylinder (MPa)
46Outlet air temperature of the secondary heater (_C)
47Steam pipe pressure of the high and intermediate pressure cylinder (MPa)
48Steam pipe temperature of the high and medium pressure cylinder (_C)
49Differential pressure between the secondary air box and the furnace (MPa)
50Oxygen concentration at chimney inlet (%)
51Outlet flue gas temperature of the air preheater (_C)
52Outlet flue gas pressure of the air preheater (kPa)
53Flue gas temperature at the inlet of the air preheater (_C)
54Inlet flue gas pressure of the air preheater (kPa)
55Main motor current of the air preheater (A)
56The current of the induced draft fan (A)
57Flue gas pressure at the inlet of the induced draft fan (kPa)
58Low-pressure cylinder exhaust temperature (_C)
59Inlet flue pressure of the fixed end economizer (MPa)
60Feed water temperature at economizer inlet (_C)
61Pressure of the main water supply pipe at economizer inlet (MPa)
62Inlet flue pressure of the economizer at expansion end (MPa)