BigPatents India

The present invention discloses a portable reusable total heat flux probe for measuring absorbed heat flux in a boiler furnace including indication of a trend of heat fIux. The probe comprising at least three metal tubes (6,7,8), a probe means (4,10) disposed at a proximal end of a central tube (7) of said at least three metal tubes (6,7,8); a front cover (1) provided at the proximal end having plurality of holes connected to the outer tube (8); a nipple (14) fixed to the outer tube (8) allows air for cooling front cover (1); a space formed between the probe means (4) and the central tube (7) filled with a ceramic Insulation (2); one end of an outer tube (8) of the at least three metal tubes (6,7,8) Is releasably connected to said front cover (1), the other end of the outer tube (8) fIuxed with an outer cap (12) having a central hole via which the central tube (7) is inserted, an end cap (15) disposed at a distal end, having a plurality of holes; an inner tube (6) Inserted via one of said plurality of holes thereby forming an annular passage between the central tube (7) and the Inner tube (6).