Datong – Qinhuangdao Railway

Datong-Qinhuangdao
HXD1 locomotive
Route length:	653 km
Gauge :	1435 mm ( standard gauge )
Power system :	25 kV 50 Hz  ~
Maximum slope :	12  ‰
Minimum radius :	400 m
Top speed:	120 km / h
Dual track :	Completely
Legend  Sections in the mountains to Yungang , Coal Mines, Puzhou after Jung-Gar-Banner and Baotou Datong -Hudong Datongxian Shanxi / Hebei border Dongjingji (abandoned) Hebei / Shanxi border Shanxi / Hebei border Yangyuan Coal mine Dongcheng Huashaoying several engineering structures Wangjiawan several tunnels Sanggan He (230 m) 3.5 km Zhanzhuang several tunnels Coal mine Zhuolu Sanggan He (1,980 m) Shayu train Fengsha Railway (1,300 m) Shacheng East G6 Beijing – Lhasa motorway Jingbao Railway Xinbao North Hebei / Beijing border Yanqing North Jundushan Tunnel (8,460 m) Tielucun several tunnels Xiazhuang several tunnels Jingtong Railway Chawu Jingcheng Railway Mulin Pinggu Beijing / Hebei border Dashi to Beijing Hebei / Tianjin border Jixian West ( Jinji Railway to Jixian ) Cuipingshan Panshan Power Plant Tianjin / Hebei border Yutian North Hebei / Tianjin border Tianjin / Hebei border Ping'an Zhangjiakou – Tangshan railway line Industrial track Zunhua North Zunhua – Xiaosigou railway line Tunnel (3,700 m) Gravel works Qianxi Luojiatun Luan He (970 m) Jiujiang Coking Plant Qian'an North Qian'an – Caofeidian railway line Lulong North Qinglong He (640 m) Funing north Bridge (1080 m) Yang He (1150 m) Tunnel (2900 m) Zhangzhuang West Tianjin – Shanhaiguan Railway Beijing – Harbin Railway Tianjin – Qinhuangdao high-speed line Qinhuangdao Beijing – Harbin Railway Liucun North Beijing – Harbin to Harbin Railway Qinhuangdao East Coal Terminal Liucun South coal terminal with a turning loop

The Datong – Qinhuangdao Railway is a 650 km long freight railway in China, which runs from Datong in Shanxi to Qinhuangdao on the Gulf of Bohai . It is primarily used to transport coal and was the first heavy haul rail line in China.

The railway line is not operated by China Railway , but by the private company Daqin Railway . It is the route with the highest transport volume in the world.

Route description

The entire route is 653 km long and has 375 bridges. The longest tunnel is the one under Jundu Shan with a length of 8.4 km. The route has two ramps of 47 km and 50 km in length with gradients of 8.2 ‰ and 9.1 ‰, respectively. The minimum curve radius is 400 m.

The Qiancao railway line is the most important feeder line from the coal mining areas of Shanxis, Shaanxis and Inner Mongolia .

In addition to the main branch to Qinhuangdao, there are branch routes to the ports of Tianjin , Tangshan Jingtang and Tangshan Caofeidian . There, the coal is unloaded with rotary tippers and shipped to southern China or abroad.

Construction and operation

Construction of the double-track, electrified railway line began in 1985. Operations began at the end of 1992, and the transport volume has increased steadily since then. In 2010, 400 million tonnes of coal were four times the originally planned capacity. This was achieved through heavier trains, longer run lengths and improved traffic management.

2009 inverted day 38 trains with 20,000 tons, 24 trains with 10,000 tonnes and 40 combined trains ( combined trains ) with 10,000 tonnes in weight. At the Hudong marshalling yard ( ), the trains are put together on 12 tracks with a length of over 2,800 m.

The 20,000 t trains consist of 2 locomotives and 210 wagons.

Rolling stock

Coal train on the Daqin Railway at Chawu Station

To increase capacity, u. A. the gondola ( gondola ) of the type C63A with 21 t axle load and load 60 t by the type C80 / C80B with 25 t and 80 t axle load replaced.

Until 2007, only double locomotives of the SS ₄ and DJ ₁ series were used. Today the Daqin Railway owns 360 locomotives of the new HXD series.

In December 2004, a train with a weight of 20,000 t ran for the first time, which consisted of four 5000 t trains remotely controlled with Locotrol technology. Since March 2006, 20,000 t trains with SS ₄ locomotives in the configuration 1 + 2 + 1 and 210 wagons have been in operation. With the introduction of the high-performance HXD1 (9.6 MW) and HXD2 (10 MW) locomotives in August 2007, the 20,000 t trains no longer require four, but only two locomotives in distributed traction (1 + 1).

The HXD locomotives are technically checked every 3,100 km.

Track equipment

Today rails with 75 kg / m m and weight points with composite are on the track crossings ( assembled frogs ) installed.

From 2005, the line was equipped with GSM-R by Huawei .

meaning

Since it was built, the Datong – Qinhuangdao railway has transported 5 billion tons of coal. In 2014 the maximum was reached with almost 450 million t per year, since then the transport performance has been falling. With the construction of the Zhunchi line from Waixigou to Shenhuang line and the Mengji line from Ordos to Caofeidian, the Daqin line has lost its monopoly on coal transport from Inner Mongolia.

In 2016, only 351.25 million tons of coal were transported on the Daqin Railway.

See also

• Watang – Rizhao railway line (completed in 2014)

Individual evidence

1. ↑ ^{a b c d} Xun Wu: A Study on Traffic organization System of Daqin Railway (2009)
2. ↑ according to OpenStreetMap relation 1976829 Daqin Railway
3. ↑ Leran Wang, Leran Wang, Bin Niu, Yonghua Su: Application Study on Elastomer Expansion Joint in Heavy Haul Railway . In: Journal of Civil Engineering and Architecture . tape 9 , no. 9 , doi : 10.17265 / 1934-7359 / 2015.09.004 .
4. ↑ ^{a b c} T. Baoshuan, Y. Hu: Technical Feasibility Study on Extending the Limits on Axle Load of Wagons on China Daqin Railway (2011)
5. ↑ ^{a b c d e} Chunming Gao, Fusheng Zhu, Jianping Zhang: Optimized Plan of Locomotive Routing of Heavy Haul Trains on Daqin Line (2011)
6. ↑ XP Gao: Research on the Strength Increase of Turnout Frame on the Heavy haul Line (2011)
7. ↑ Huawei Digital Railway Solution , p. 1
8. ↑ Daqin coal transport exceeds 5 bln T in 24 yrs. In: www.sxcoal.com. December 22, 2016, accessed December 30, 2016 . 
9. ↑ Daqin Feb coal transport down 27.4pct on yr. In: www.sxcoal.com. March 11, 2016, accessed December 30, 2016 . 
10. ↑ Daqin 2016 coal transport down 11.52pct , www.sxcoal.com, January 10, 2017