CWS Swirl Pre-chamber

Swirl prechamber (furnace) is designed for the effective combustion of liquid fuel, mostly slurry fuel, autonomously or with support fuel. Air slots in a prechamber’s wall form a stable swirl which makes combustion process stable and effective. Liquid fuel has enough time for ignition and full combustion.

Description

  • Prechamber is designed to keep optimal number of CWS-torch turnovers inside a pre-chamber what makes both total carbon combustion and transfer (convection) of hot gases into boiler possible.
  • Thermal balance of prechamber is designed to keep optimal combustion mode for CWS combustion. Prechamber isolation is chosen to minimize heat losses, quick warming-up period, resistant to quick temperature bursts up to 1300 С° and long-term stable work

Usage

  • Swirl prechamber is designed to burn liquid fuels, preferably CWS. Prechamber is installed in front or side of a boiler. CWS is sprayed into prechamber where it is preheated and burned. Combustion products (hot gases) further moved to a boiler.
  • Boiler which is equipped with a prechamber can burn both CWS and other fuels: diesel of heavy fuel oil (depending on boiler type)
  • There is a range of prechambers produced between 0.8 and 11MW
  • Connection to boiler is made individually

Prechamber consists of

  • Prechamber consists of door with a diesel/gas burner, prechamber body, blower, CWS-nozzle, control system.
  • Front door has mounting holes for mounting mazut and/or diesel burner required for initial preheating. Additionally it has eye holes for visual control.
  • Prechamber body is a horizontal or vertical cylinder equipped with thermo-sensors, CWS nozzle, secondary air input and secondary air slots for creating a swirl. Body is isolated with fireclay bricks
  • Blower creates a secondary air flow which makes a swirl inside a prechamber
  • Control system makes possible to vary parameters of combustion depending on fuel characteristics

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Prechamber, side cut

Prechamber, side cut

CWS Swirl Prechamber

CWS Swirl Prechamber

CWS Swirl Prechamber, 1MW

CWS Swirl Prechamber, 1MW

CWS Spraying Nozzle

CWS Spraying Nozzle

CWS Swirl Combustion

CWS Swirl Combustion