In order to adapt to industry development and market demand，Increase shipping capacity，After multiple investigations，Discussed and determined by shareholders meeting，The dedicated line upgrade and construction will start on March 9, 2023，The new interlocking system will be put into operation on September 1st。To this point，The upgrade of Longhua dedicated line was successfully completed。
Longhua Railway Company’s special line loading station is connected to Yanjiata Station of Shenshuo Railway，Special line station center mileage k1+308,There are 3 arrival and departure lines、The effective length is 940m respectively、905m、940m，Existing 1 912*40 container loading and unloading platform，On the right side of the line，A set of coal pit loading system、A 10,000-ton coal storage bin，The loading capacity is 10 million tons。
The upgrade of Longhua special line adds 2 sets of switches，New line 880m。At the south end of the throat, the existing Long 1 channel is inserted into the 74# turnout group 1，Added 1 new set of 72# turnouts at the north throat end，The existing 48# turnout has been converted from a right-hand turnout to a left-hand turnout，The existing 68# turnout has been changed from a left-hand turnout to a right-hand turnout。A new lane 1 will be built on the left side of the existing lane 1 on the west side of the station，Effective length 880m (New Dragon 1)，The existing Dragon Path 1 has been changed to Dragon Path 2，The effective length is reduced from 940m to 883m，The existing Dragon Path 2 has been changed to Dragon Path 3，The effective length is reduced from 905m to 898m，The existing dragon path 3 has been changed to dragon path 4，The effective length is reduced from 940m to 900m。
After upgrade，The loading capacity of Longhua Station has increased from the original 10 million tons to 12 million tons，Improved shipping performance，While ensuring the stability of coal mine production capacity, it also expanded the platform’s shipping function，Provides more efficient logistics guarantee for energy supply。（Li Qiang）