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Aluminum Tank Roofs

Swiss engineering company ENCE GmbH (ЭНЦЕ ГмбХ) together with its close-knit team consisting of technical and commercial specialists of service facilities and affiliated companies in different CIS countries — ООО «ИНТЕХ ГмбХ» (LLC INTECH GmbH) Moscow, Russia, ООО «ЭНЦЕ инжиниринг» (ENCE engineering) Moscow, Russia, ТОО «ИНТЕХ СА» (LLC INTECH SA) Almaty, Kazakhstan, ООО «ИНТЕХ СА» (LLC INTECH SA) Kiev, Ukraine, is willing to carry out the following complex projects on the turnkey basis.

Tank Internal Floating Roofs
The floating roof design

The floating roof design corresponds to requirements of the following standards:

  • API 650 Appendix H
  • The Oil Company Material Association ST-1
  • BS 2654 Appendix E
Main Advantages
  • Maintenance is not required
  • 95-98% loss reduce
  • Life of the structure
  • Small costs for installation
  • Easy assembly
Materials
  • Stainless steel
  • Aluminum
Example calculation of evaporation losses (Example 1)
Tank characteristics:
Tank diameter: 12 m
Oil product: petrol
Tank height: 10 m
Product temperature: 15°С
Average filling depth: 50%
Average temperature change: 10°С

Annualized losses:

Without floating roof:
10 years 20 years 30 years
Constant losses: 8641 l 8641 l 8641 l
Operating losses: 20347 l 40694 l 61041 l
Total: 28988 l 49335 l 69682 l
With floating roof:
Constant losses: 2799 l 2799 l 2799 l
Operating losses: 10 l 19 l 29 l
Total: 2809 l 2818 l 2828 l
Oil product annual savings: 26179 l (91,5%) 46517 l (95%) 66854 l (96,4%)
Example calculation of evaporation losses (Example 2)
Tank characteristics:
Tank diameter: 25 m
Oil product: petrol
Tank height: 20 m
Product temperature: 13°С
Average filling depth: 50%
Average temperature change: 7°С

Annualized losses:

Without floating roof:
5 year 10 year
Constant losses: 33803 l 33803 l
Operating losses: 82684 l 165368 l
Total: 116487 l 199171 l
With floating roof:
Constant losses: 6708 l 6708 l
Operating losses: 20 l 40 l
Total: 6728 l 6728 l
Oil product annual savings: 109759 l (94,9%) 192403 l (97%)
Aluminum Dome-Tank Roofs
Advantages of the offered dome-tank roofs
  • Long operating life
  • Built-up construction, easy installation and transportation
  • High corrosion resistance
  • Low cost maintenance
  • Particularly light construction
Additional Information

More information at the web-site of company ENCE GmbH (ЭНЦЕ ГмбХ): www.aluminium-tank-roofs.ru/floating_roof.php, www.aluminium-tank-roofs.ru/index.php

Our specialists are always there to help you

Our engineers will provide advice or additional technical information about the offered oil and gas production and transport equipment

Please send your RFQs for oil and gas production and transport equipment to our Technical Department.

+7 (495) 225 57 86