Shenhua Ningxia Coal Industry Group Co., Ltd - Coal Liquefaction Project

End customer

Shenhua Ningxia Coal Industry Group Co. Ltd.


Ningdong, Ningxia, China

Project name

Coal Liquefaction Project

General project description

Ningxia Coal Industry Group Co., Ltd is the subsidiary of Shenhua Group, the largest energy company in China. Ningdong is located in the Ningxia province, in the Middle of the country. Up to now, the Coal Liquefaction Project is the largest single plant for coal liquefaction worldwide and is capable of producing over 4 million tons diesel oil per year.

Project scope

  • Task: Engineering, delivery and commissioning by our subsidiary company in China
  • System: Intercom, public address, warning and general alarm system
  • Scope of delivery/details:
    • Total of 9 INTRON-D plus central exchange cabinets
    • 40,000 Watts amplifier output, approx. 1,400 loudspeakers
    • 1 master control station, over 50 desktop intercom stations and more than 800 explosion-proof and weather-proof intercom stations
  • Schedule: Contract awarded in August 2014, delivery from end of 2014 to approx 2016
  • Parties involved in the project: On-site implementation via our subsidiary company, INDUSTRONIC® Beijing Industrie-Electronic Equipment Co. Ltd.

Special features

  • Two central exchange units located in the North and the South of the plant are connected via optical fiber
  • More than 40 amplifier cabinets are installed in each process area. They are controlled via two central exchange units to avoid long cable distances and thus reduce the loudspeaker signal attenuation.
  • The central exchange units have an E1 telephone interface, radio interface and F&G interface to connect to third party systems
  • N+1 redundancy central exchange board in each central unit