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EG series

The Shock Pulse Generator system consists of the following components:

  • Shock Pulse Generator, mounted on the outside wall of the boiler. The Shock Pulse is led by means of an outlet nozzle through a nozzle or through a manhole into the boiler interior.
  • Control cabinet, controls the Shock Pulse, connected to the process control system (PCS).
  • Pressure regulating lines, reduce cylinder pressure to 40 bar.
  • Valve panel, assembly of valves, pressure transmitter and terminal box
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Shock Pulse Generators are manufactured in Switzerland, from special high pressure and high temperature resistant stainless-steel qualities and other high quality components. Quality assurance includes hydrostatic pressure tests as well as explosion tests. Shock Pulse Generators are CE-certified as pressure equipments of Category II and III respectively. The Shock Pulse Generator is available within two different type series, the EG10 and the Twin type series. A design description of both type series as well as a table with technical information can be found in the following picture series.
Design Series EG10
Design Series TwinL

Technical data
EG10 EG10L EG10XL TwinL
Volume combustion chamber [l] 2.5 3.5 4.4 2 × 3.5 = 7.0
Dosing system Predosing Predosing Predosing Direct Injection
Combustion chamber filling pressure [bar],
EG10-series: Filling pressure of the dosing tanks 26.5 – 32.5 bar, regulated by control system		 20 20 20 20
Gas consumption per shock pulse [g, ca.],
CH4 or natural gas / O2 / N2		 15 / 32 / 1 21 / 45 / 1 26 / 57 / 1 42 / 90 / 2
Purge Air: Compressed air consumption (6 bar) [Nm³/h] for 1 Shock Pulse (SP)/h and per additional SP/h 3 (+0.2/SP) 3 (+0.2/SP) 7 (+0.2/SP) 6 (+0.4/SP)
Sealing/cooling air consumption (>20 mbar) [Nm³/h]
(if flue gas temperature > 700 °C and/or if the boiler is operated at positive pressure)		 10 10 10 20
Sound level, average 8 h [dB(A)] / peak [dB(C)] < 80 / 137 < 80 / 137 < 80 / 137 < 80 / 137
Installation flange [DN] 125 125 200 2×125 (500)
Weight [kg] incl. nozzle (varies by nozzle length) 265 275 300 435