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Q-Rohr® DFE - Flameless Explosion Venting for exhaust ducts of Gas-Fuelled Engines

 

The situation
Shutting down coal-fired power plants, decommissioning nuclear power stations and reducing CO2 emissions are basic ideas of the green energy revolution. But this dramatic shift in energy production methods also requires solutions that guarantee the availability of a constant energy supply. The output of wind and solar plants is not constant. When it falls, other sources such as gas-fired power stations must make up the difference.

Flameless venting Q-Rohr DFE onshore
The most cost-effective protection solution for gas-fuelled Engines:
Q-Rohr® DFE.

The challenge
An incorrectly functioning gas-fuelled engine can allow a ­flammable mixture of gas and oxygen to occur in the exhaust system. In the worst case scenario, this could ignite and cause an explosion – not only damaging the engine but also other ­components and creating a serious risk of injury to persons working in the generator building. Energy production and emergency power supplies would be out of action for an extended period. Unplanned stoppages of gas-fuelled engines therefore pose a significant threat to the stability of the electricity grid and energy supply security.

Q-Rohr® DFE

REMBE® has used its many years of experience in explosion safety to develop a system specifically for protecting gas-fuelled engines. It reduces downtimes to a minimum and thus increases power plant availability.

Q-Rohr® DFE permits flameless explosion venting in the ­generator building without the need for costly and complex ­venting ducts. If an explosion occurs, neither flames nor a ­pressure wave emerge from the vessel. Other areas of the plant and employees working in the building have the best possible protection. Normal operation of the power plant can recommence very quickly after an explosion occurs and the energy supply is secure.

Q-Rohr® DFE

is the most cost-effective solution for flameless explosion ­venting that eliminates the need for expensive conversion and construction work, e.g. breaking through walls.

Your advantages

  • Rapid restart of operations.
  • REMBE® stainless steel filter ensures a high level of noise ­reduction ­during normal operation and in the event of an explosion.
  • Eliminates the need for complex venting ducts and wall openings.
  • 100 % seal tightness, to eliminate danger of asphyxiation.
  • 100 % venting efficiency.
  • Individually definable opening pressure.
  • 100 % stainless steel for corrosion resistance.
  • Connection flange in accordance with DIN 86044.
  • No separate safety zones required in outdoor areas.
  • No maintenance required, visual inspection by a technician is sufficient.

    Certification
    Patents:
    DE 38 22 12;
    US 7,905,244    		                 


    Images

    Flameless venting Q-Rohr DFE onshore
    The most cost-effective protection solution for Dual-Fuel Engines: Q-Rohr® DFE.
    Technical information and measurements Q-Rohr
    Technical Data
    Technical data Q-Rohr® DFE in accordance with DIN 86044 Series 1/Series 2
    DN
    [mm]     		max. H
    [mm]     		max. C
    [mm]     		Ø C
    [mm]     		Ø D [mm] k [mm] Ø d2 [mm] b [mm] No. of bolts
    		 Recommended bolts
    		 Weight
    [kg]
    Series 1 Series 2 Series 1 Series 2 Series 1 Series 2 Series 1 Series 2 Series 1 Series 2 Series 1 Series 2
    200 400 410 350 320 319 280 289 18 18 16 12 8 12 M16 M16 21
    300 600 500 450 440 424 395 394 22 18 16 15 12 20 M20 M16 37
    400 600 600 550 540 507 495 477 22 18 16 15 16 20 M20 M16 47
    500 600 700 650 645 609 600 579 22 18 16 15 20 28 M20 M16 60
    600 900 820 770 754 711 700 681 22 18 20 15 20 32 M20 M16 105
    700 900 920 870 856 813 800 783 22 18 20 15 24 36 M20 M16 115
    800 1200 1020 970 958 915 900 885 22 18 20 15 24 44 M20 M16 150
    900 1200 1120 1070 1060 1017 1010 987 22 18 20 15 28 48 M20 M16 175
    1000 1400 1220 1170 1162 1119 1110 1089 22 18 20 15 32 52 M20 M16 215
    1100 1400 1320 1270 1266 1223 1210 1193 22 18 20 15 32 60 M20 M16 245
    1200 1600 1430 1380 1366 1323 1310 1293 22 18 20 15 36 64 M20 M16 300
    1300 1600 1530 1480 1466 1423 1410 1393 22 18 20 15 40 68 M20 M16 335
    1400 1600 1630 1580 1566 1523 1510 1493 22 18 20 15 40 72 M20 M16 380
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