FLUE DUST SAMPLING GUN HAVING REPLACEABLE, HEATABLE, ANTI-STICK SAMPLING HEAD

摘要

Disclosed is a flue dust sampling gun having a replaceable, heatable, anti-stick sampling head, comprising a round tubular flue dust sampling head barrel (1). A flue dust (gas) intake end cover (2) is movably provided at a head portion of the round tubular flue dust sampling head barrel (1); a connecting plug (3) for the intake end cover is fixedly provided in the flue dust (gas) intake end cover (2); a groove (6) is provided on the connecting plug (3); the connecting plug (3) is movably inserted into an inner opening of a fixed end ring (4) of a filter cartridge (7); a terminal gas outlet end (8) of the round tubular flue dust sampling head barrel (1) is connected by threads to a flue dust sampling gun barrel (9); a spiral electric heating tube (5) is provided between an inside wall of the round tubular flue dust sampling head barrel (1) and the filter cartridge (7); the spiral electric heating tube (5) is fixed on an outer step of the fixed end ring (4) of the filter cartridge (7); the surface of the connecting plug (3), the inner surface of the flue dust (gas) intake end cover (2), the surface of the fixed end ring (4) and the outer surface of the spiral electric heating tube (5) are all provided with a Teflon anti-stick coating. The flue dust sampling gun has a sound structure, is convenient to dismantle and assemble and use, and is suitable for various flue dust sampling devices.