Sealer for rotary air preheater

Sealer for rotary air preheater

  • CN 2,564,973 Y
  • Filed: 09/17/2002
  • Issued: 08/06/2003
  • Est. Priority Date: 09/17/2002
  • Status: Active Grant
First Claim
Patent Images

1. , a kind of sealing device of rotary regenerative air preheater, comprise fanning strip, axial plate, diaphragm seal, radially fixing seal plate and axial restraint sealing plate, it is characterized in that described radially fixing seal plate (12) is welded on the center sill (11) of preheater shell on one side, another side is fixed on the two sides of fanning strip (3) with bolt (10), the apex seal (7) and the gap value between fanning strip (3) sealing surfaces that are installed on the dividing plate (8) are that basis precomputes the thermal expansion amount of rotor and the correction value of thermal deformation is determined, and are adjusted by adjusting screw(rod) (13);

  • Described axial restraint sealing plate (15) is welded on the preheater shell (4) on one side, another side is fixed on the two sides of axial plate (5) with bolt (10), be installed on the rotor case (9) axial seal sheet (6) and axially the gap value between plate (5) sealing surfaces be according to precomputing the thermal expansion amount of rotor and the correction value of thermal deformation is determined, and adjust by adjusting screw(rod) (14).

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