JPH0457068U

JPH0457068U -

Info

Publication number: JPH0457068U
Application number: JP9564590U
Authority: JP
Priority date: 1990-09-12
Filing date: 1990-09-12
Publication date: 1992-05-15

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例の一部破断側面図、
第２図は本考案の一実施例の平面図、第３図は空
気予熱器の一例を示す全体側面図、第４図は第３
図に示す空気予熱器のステータと空気フードの斜
視図、第５図は第４図に示す空気フードの斜視図
、第６図は第４図に示すステータの斜視図、第７
図は従来の空気予熱器のシールギヤツプ調整装置
の一例を示す一部破断側面図、第８図は第７図の
−矢視図である。図中、４はステータ、７は空気フード、１２は
排ガスダクト、２０はエキスパンシヨンジヨイン
ト、２３はシーリングフレーム、２４はシーリン
グシユー、２６は吊下げロツド、３１はリンク、
３３はナツト、３４は熱感応シリンダ、３５は熱
感応ロツド、３９は突起部、４０はホイール、４
１は第１ストライカ、４２は第２ストライカを示
す。 FIG. 1 is a partially cutaway side view of an embodiment of the present invention.
Fig. 2 is a plan view of one embodiment of the present invention, Fig. 3 is an overall side view showing an example of an air preheater, and Fig. 4 is a plan view of an embodiment of the present invention.
FIG. 5 is a perspective view of the air hood shown in FIG. 4, FIG. 6 is a perspective view of the stator shown in FIG. 4, and FIG.
The figure is a partially cutaway side view showing an example of a conventional seal gap adjustment device for an air preheater, and FIG. 8 is a view taken along the - arrow in FIG. 7. In the figure, 4 is a stator, 7 is an air hood, 12 is an exhaust gas duct, 20 is an expansion joint, 23 is a ceiling frame, 24 is a sealing shoe, 26 is a hanging rod, 31 is a link,
33 is a nut, 34 is a heat sensitive cylinder, 35 is a heat sensitive rod, 39 is a protrusion, 40 is a wheel, 4
1 indicates a first striker, and 42 indicates a second striker.

Claims

[Scope of utility model registration request]

Above the cylindrical stator that extends in the vertical direction,
An air hood is disposed so as to be rotatable in the circumferential direction of the stator, the air hood is circumferentially surrounded by an exhaust gas duct, the exhaust gas duct is fixed to the stator, and an expander is provided at the lower end of the air hood. A sealing frame is attached via a joint, a sealing shoe is fixed to the lower surface of the sealing frame so as to face the upper end surface of the stator, and a lower end of a hanging rod extending in the vertical direction is fixed to the sealing frame. , a heat-sensitive cylinder having a heat-sensitive rod that is expandable and retractable in the radial direction of the stator is provided on the upper surface of the air hood, and a bent portion of a link having a substantially L-shape when viewed from the side is provided on the upper surface of the air hood. is supported so as to be able to swing vertically, the tip of the heat sensitive rod is connected to one end of the link, and a nut screwed to the upper end of the hanging rod is attached to the upper surface of the other end of the link. In the seal gap adjustment device for an air preheater whose lower surface is brought into contact, a wheel having a plurality of protrusions protruding in the radial direction when viewed from above is fixed to a nut screwed onto the upper end of the hanging rod, A first striker and a second striker are provided near the wheel so as to penetrate from the outside to the inside of the exhaust gas duct and are movable in the longitudinal direction, and the first striker is arranged so that its tip end is lower than the hanging rod. The first striker is located on the exhaust gas duct side and is formed so that its tip can come into contact with the protrusion of the wheel when the first striker is advanced toward the inside of the exhaust gas duct, and the second striker is formed so that its tip comes into contact with the protrusion of the wheel. Located on the opposite side of the exhaust gas duct from the hanging rod,
A seal gap adjustment device for an air preheater, characterized in that the second striker is formed so that its tip can come into contact with the protrusion of the wheel when the second striker is retreated to the outside of the exhaust gas duct.