Fig. 1

Process flow of integrated production logistics system of underground coal mining, dressing, and backfilling in a mine in Shanxi

Fig. 2

Analysis of operation process of integrated production logistics system of underground coal mining, dressing, and backfilling

Table 1

Details of queuing systems in integrated production logistics system of underground coal mining, dressing, and backfilling

Fig. 3

Influence mechanism of factors in integrated production logistics system of underground coal mining, dressing, and backfilling

Table 2

Process module setting of integrated production logistics system of underground coal mining, dressing, and backfilling

Fig. 4

Simulation modeling idea

Fig. 5

Anylogic simulation model

Table 3

Parameter setting and production task of working face of coal mining

Table 4

Parameter setting of transportation equipment

Table 5

Parameter setting of equipment for coal dressing and backfilling

Table 6

Equipment data related to the production logistics system

Table 7

Raw coal output of working face

Table 8

Simulation operation of transportation equipment

Table 9

Cause analysis of low utilization rate of two kinds of transportation equipment

Table 10

Resource utilization rate of equipment for coal dressing and ackfilling

Table 11

Simulation operation of storage facilities

Table 12

Resource utilization rate of related equipment　%

Table 13

Relevant equipment adjustment parameters

Table 14

Equipment data related to the production logistics after optimization

Table 15

Raw coal output of optimized working face　t

Fig. 6

Comparison of utilization rate of transportation equipment before and after optimization

Fig. 7

Comparison of utilization rate of equipment for coal dressing and backfilling before and after optimization

Fig. 8

Comparison of non-empty warehouse rate of storage facilities before and after optimization