Analysis of Risk Factors of Coal Chemical Enterprises Based on Text Mining

Table 1

Feature item weight value (top 30).

No.	Feature item	Weight
1	Gasifier	0.1053
2	Central control room	0.0954
3	Coke oven gas	0.0795
4	Interlocking	0.0729
5	Coke quenching vehicle	0.0648
6	Pressure	0.0640
7	Liquid level	0.0623
8	Load	0.0601
9	Induced draft fan	0.0589
10	Coking plant	0.0542
11	Compressor	0.0532
12	Vibration	0.0504
13	Temperature	0.0518
14	Flow	0.0472
15	Reactor	0.0441
16	Pipeline	0.0437
17	Speed of revolution	0.0426
18	High-pressure cylinder	0.0424
19	Shut down	0.0399
20	Pure benzene	0.0399
21	Feed pump	0.0377
22	Slag lock bucket	0.0376
23	Boiler	0.0355
24	Electric machinery	0.0355
25	Coking plant	0.0349
26	Lean solution pump	0.0349
27	Valve	0.0331
28	Surge	0.0330
29	Trip	0.0322
30	Overhaul	0.0320