The utility model discloses a quartz heater, which comprises a cylindrical heater shell and a plurality of sleeves arranged inside the heater shell; the two ends of the heater shell are respectively provided with first end plates and The second end plate, the two ends of the sleeve respectively penetrate the first end plate and the second end plate and extend to the outside of the heater housing, and the inside of the sleeve is provided with a heating tube, the first end plate and The second end plates are respectively provided with through holes for the sleeve to penetrate, and the two end openings of the sleeve are respectively provided with sealing plugs, and the inner end faces of the two sealing plugs are respectively provided with annular grooves, and two A retaining ring is provided on the outer peripheral surface of each of the sealing plugs, a pair of supporting convex rings are symmetrically provided on the peripheral surface of the heating tube, and the two ends of the heating tube are respectively inserted into the annular card of the two sealing plugs. In the tank, and the heating element is provided inside the heating tube. The utility model is a quartz heater with simple structure, convenient production and manufacturing, and good heating effect.
