Elastic compensation sealing sheet for air preheater rotor angle steel

Abstract

The application discloses an elastic compensation sealing sheet for an air preheater rotor angle steel, which comprises a sealing mounting plate, a sealing main plate, a sealing front side plate, a sealing inner side folding plate and a sealing outer side folding plate, the sealing mounting plate is fixed on the plane of the air preheater rotor angle steel, one side of the sealing mounting plate is fixedly connected with one side of the sealing main plate, the sealing outer side folding plate is fixedly connected with one side of the sealing main plate, and the sealing outer side folding plate is located at the outer side of the rotor angle steel, the other side of the sealing main plate is fixedly connected with one side of the sealing front side plate, one side of the sealing main plate close to the inner side of the rotor angle steel is fixedly connected with one side of the sealing inner side folding plate, and the sealing inner side folding plate is located at the inner side of the rotor angle steel. Compared with the prior art, the whole structure can form a complete sealing structure together with the radial sealing sheet, the air leakage channel generated between the rotor angle steel and the sector plate in the circumferential direction is compensated, and the air leakage rate of the air preheater is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to air preheater sealing device, and in particular to a kind of elastic compensation sealing sheet for air preheater rotor angle steel. BACKGROUND

[0002] At present, the air leakage rate of power plant boiler air preheater is an important indicator to measure the performance of equipment, and three-way sealing is designed on the air preheater equipment of power plant generally to reduce the air leakage rate, wherein the radial sealing plays more than 70% role in air leakage rate, and the length of existing radial sealing sheet is only to the inner edge of rotor angle steel, since the width of rotor outer edge angle steel (commonly known as rotor flange face) is 80-150mm, especially after the hot end rotor is heated and deformed like a mushroom, a leakage passage with 80-150mm width and 20-40mm height along the circumferential direction is generated between the rotor angle steel plane and the sector plate, and no compensation sealing device is designed on the entire outer rotor angle steel plane in existing equipment to reduce the area of the leakage passage and reduce the air leakage rate of air preheater, especially in the case that there is a large pressure difference between the air preheater side and the flue gas side, which will increase the air leakage rate by 1-2%. SUMMARY

[0003] In order to overcome the above technical defects, the present application provides an elastic compensation sealing sheet for air preheater rotor angle steel.

[0004] According to one aspect of the present application, an elastic compensation sealing sheet for air preheater rotor angle steel, the elastic compensation sealing sheet comprises a sealing mounting plate, a sealing main plate, a sealing front side plate, a sealing inner side fold plate and a sealing outer side fold plate, the sealing mounting plate is fixedly arranged on the plane of the air preheater rotor angle steel, a plurality of mounting holes for fixed connection are formed on the sealing mounting plate, one side of the sealing mounting plate in length direction is fixedly connected with one side of the sealing main plate in length direction, the included angle between the sealing main plate and the sealing mounting plate is obtuse, and the sealing main plate is in upwardly curved state relative to the sealing mounting plate, the sealing outer side fold plate is fixedly connected on one side of the sealing main plate in length direction, the sealing outer side fold plate is vertically downward, and the sealing outer side fold plate is located on the outer side of the rotor angle steel, the other side of the sealing main plate in length direction is fixedly connected with one side of the sealing front side plate, the included angle between the sealing main plate and the sealing front side plate is obtuse, and the sealing front side plate is in downwardly bent state relative to the sealing main plate, one side of the sealing main plate close to the inner side of the rotor angle steel is fixedly connected with one side of the sealing inner side fold plate, the sealing inner side fold plate is vertically downward relative to the sealing main plate, and the sealing inner side fold plate is located on the inner side of the rotor angle steel.

[0005] Preferably, the rotor angle steel is arranged on the outer edge of the air preheater rotor, the air preheater rotor is uniformly and equiangularly provided with a plurality of radial partitions along the circumference thereof, each of the radial partitions is fixedly connected with a radial sealing piece for compensating a radial air leakage area above the air preheater rotor, and the sealing inner side flange of the elastic compensation sealing piece is attached to the end of the radial sealing piece close to the rotor angle steel.

[0006] Preferably, a plurality of the elastic compensation sealing pieces are arranged on the plane of the rotor angle steel, and the mounting positions of the plurality of the elastic compensation sealing pieces correspond to the mounting positions of the plurality of the radial sealing pieces one by one.

[0007] Preferably, the elastic compensation sealing piece is an integral molding structure, and the structure of the elastic compensation sealing piece is formed by bending the sealing mounting plate and the sealing main body plate, the sealing front side plate, the sealing inner side flange and the sealing outer side flange at a certain angle along the main body plate bending line, the front side plate bending line, the inner side flange bending line and the outer side flange bending line, respectively.

[0008] Preferably, the bending method of the elastic compensation sealing piece is to first arrange the sealing mounting plate horizontally, then bend the sealing main body plate upward along the main body plate bending line, so that the included angle between the sealing main body plate and the sealing mounting plate is 110°-150°, then bend the sealing front side plate downward along the front side plate bending line, so that the included angle between the sealing main body plate and the sealing front side plate is smaller than the included angle between the sealing main body plate and the sealing mounting plate and greater than 90°, then bend the sealing inner side flange downward along the inner side flange bending line, so that the included angle between the sealing main body plate and the sealing inner side flange is 90°, then bend the sealing outer side flange downward along the outer side flange bending line, so that the relative included angle between the sealing mounting plate and the sealing outer side flange is 90°, to form the elastic compensation sealing piece.

[0009] Preferably, the bending part of the sealing front side plate and the sealing main body plate is arranged as a circular arc segment, the circular arc segment is subjected to quenching treatment and tempering treatment at different temperatures to increase its wear resistance and ensure the wear resistance of the elastic sealing piece and the elastic contact between the outer edge of the elastic sealing piece and the sector plate above it.

[0010] Preferably, the sealing inner side flange has a notched structure, the side edge of the notch is horizontally arranged or slightly inclined upward after the elastic compensation sealing piece is mounted, and the distance between the lowest position of the notch of the sealing inner side flange and the highest position of the radial partition after the elastic compensation sealing piece is mounted is greater than the maximum elastic deformation distance of the elastic compensation sealing piece, so as to avoid collision and wear of the radial partition on the rotor when the elastic compensation sealing piece and the sector plate perform elastic sealing compensation.

[0011] Preferably, the plurality of mounting holes are horizontally equidistantly distributed along the width direction of the sealing mounting plate.

[0012] Preferably, the sealing mounting plate is fixedly connected to the rotor angle steel plane by bolting or welding.

[0013] Preferably, at least one set of roller mechanisms is arranged on the upper side of the sealing main plate, and the vertex of the roller is not lower than the highest point of the elastic compensation sealing sheet. When the elastic compensation sealing sheet is abnormally deformed, the roller can contact the sector plate to avoid malignant collision between the elastic compensation sealing sheet and the sector plate.

[0014] Preferably, a transition folded plate is arranged between the sealing main plate and the sealing mounting plate, the upper side plate of the transition folded plate is parallel to the rotor angle steel plane, a spring is fixedly arranged at the bottom of the upper side plate of the transition folded plate, and the spring is in contact with the rotor angle steel plane. When the elastic compensation sealing sheet is elastically deformed, the spring can ensure that the elastic compensation sealing sheet can still be in elastic contact with the sector plate.

[0015] Preferably, a sealing plate is further arranged on the elastic compensation sealing sheet, the sealing plate comprises a connecting portion parallel to the sealing mounting plate, an extension portion of the connecting portion of the sealing plate is upwardly bent to form a sealing portion, and then an end portion of the sealing portion is downwardly bent to form a contact portion. The highest point of the sealing plate is consistent with the highest point of the elastic compensation sealing sheet. When the elastic compensation sealing sheet is elastically deformed, the sealing plate can play a certain elastic sealing compensation role.

[0016] The elastic compensation sealing sheet for the rotor angle steel of the air preheater can compensate the air leakage channel generated between the rotor angle steel and the sector plate in the circumferential direction, thereby reducing the air leakage rate of the air preheater. The elastic compensation sealing sheet arranged on the rotor angle steel is used in cooperation with the radial sealing sheet arranged on the rotor radial baffle, thereby forming a complete sealing structure in the entire radial space of the air preheater. The elastic compensation sealing sheet is in elastic contact with the sector plate, and the interference contact between the elastic compensation sealing sheet and the sector plate does not affect the movement between the moving part and the static part. The interference contact between the elastic compensation sealing sheet and the sector plate can achieve zero gap, thereby improving the operation index of the air preheater and reducing the air leakage rate. The sealing inner side folded plate of the elastic compensation sealing sheet is in contact with the end portion of the radial sealing sheet, thereby avoiding the air leakage from the side of the elastic compensation sealing sheet, and enhancing the sealing effect of the entire sealing compensation structure. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 FIG. 1 is a perspective view of an elastic compensation sealing sheet for a rotor angle steel of an air preheater according to an embodiment of the present application.

[0018] Figure 2 is a top view of a use state of an elastic compensation sealing sheet for an air preheater rotor angle steel in Embodiment 1 of the present application.

[0019] Figure 3 is a side view of a use state of an elastic compensation sealing sheet for an air preheater rotor angle steel in Embodiment 1 of the present application.

[0020] Figure 4 is a structural schematic diagram of an unfolded state of an elastic compensation sealing sheet for an air preheater rotor angle steel in Embodiment 1 of the present application.

[0021] Figure 5 is a side view of an elastic compensation sealing sheet for an air preheater rotor angle steel in Embodiment 2 of the present application.

[0022] Figure 6 is a side view of an elastic compensation sealing sheet for an air preheater rotor angle steel in Embodiment 3 of the present application.

[0023] Figure 7 is a side view of an elastic compensation sealing sheet for an air preheater rotor angle steel in Embodiment 4 of the present application.

[0024] Reference signs: 1, elastic compensation sealing sheet; 2, sealing mounting plate; 3, sealing main body plate; 4, sealing front side plate; 5, sealing inner side folding plate; 6, sealing outer side folding plate; 7, rotor angle steel; 8, mounting hole; 9, radial partition plate; 10, radial sealing sheet; 11, main body plate bending line; 12, front side plate bending line; 13, inner side folding plate bending line; 14, outer side folding plate bending line; 15, fan-shaped plate; 16, roller; 17, transition folding plate; 18, spring; 19, sealing plate; 20, connecting part; 21, sealing part; 22, contact part. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0026] Embodiment 1

[0027] As Figures 1-3As shown, an elastic compensation sealing sheet for an air preheater rotor angle steel, the elastic compensation sealing sheet 1 comprises a sealing mounting plate 2, a sealing main body plate 3, a sealing front side plate 4, a sealing inner side folding plate 5 and a sealing outer side folding plate 6, the sealing mounting plate 2 is fixedly arranged on the plane of the air preheater rotor angle steel 7, a plurality of mounting holes 8 for fixed connection are horizontally and equidistantly arranged on the sealing mounting plate 2 along the width direction of the sealing mounting plate 2, the fixed connection mode can adopt bolt connection or welding mode, that is, a through hole corresponding to the mounting hole 8 is arranged on the rotor angle steel 7, and then the elastic compensation sealing sheet 1 is fixedly connected on the rotor angle steel 7 through bolt connection, the gasket used is preferably a spring gasket having the advantages of anti-loosening and shock resistance, or the inner wall of the mounting hole 8 and the rotor angle steel 7 are welded together with the mounting hole 8 as a welding point, one side of the sealing mounting plate 2 in the length direction is fixedly connected with one side of the sealing main body plate 3 in the length direction, the included angle between the sealing main body plate 3 and the sealing mounting plate 2 is obtuse, and the sealing main body plate 3 is in an upwardly tilted state relative to the sealing mounting plate 2, the sealing outer side folding plate 6 is fixedly connected to one side of the sealing main body plate 3 in the length direction, the sealing outer side folding plate 6 is vertically downward, and the sealing outer side folding plate 6 is located on the outer side of the rotor angle steel 7, and is used for closing the air leakage gap of the outer edge end of the rotor angle steel 7, the other side of the sealing main body plate 3 in the length direction is fixedly connected with one side of the sealing front side plate 4, the included angle between the sealing main body plate 3 and the sealing front side plate 4 is obtuse, and the sealing front side plate 4 is in a downwardly bent state relative to the sealing main body plate 3, one side of the sealing main body plate 3 close to the inner side of the rotor angle steel 7 is fixedly connected with one side of the sealing inner side folding plate 5, the sealing inner side folding plate 5 is in a vertically downward state relative to the sealing main body plate 3, and the sealing inner side folding plate 5 is located on the inner side of the rotor angle steel 7, the sealing inner side folding plate 5 has a notched structure, the side edge of the notch is horizontally arranged or slightly inclined upward after the elastic compensation sealing sheet 1 is installed, and the distance between the lowest position of the notch of the sealing inner side folding plate 5 and the highest position of the radial partition plate 9 is greater than the maximum elastic deformation distance of the elastic compensation sealing sheet 1, which can avoid the collision and wear of the radial partition plate 9 on the rotor caused by the elastic movement of the sealing inner side folding plate 5 on the elastic compensation sealing sheet 1 when the elastic compensation sealing sheet 1 performs elastic sealing compensation with the sector plate 15, the elastic compensation sealing sheet 1 covering the entire width of the plane of the air preheater rotor angle steel 7 can compensate the air leakage channel generated between the rotor angle steel 7 and the sector plate 15 in the circumferential direction, thereby reducing the air leakage rate of the air preheater, the sealing main body plate 3 of the elastic compensation sealing sheet 1 is tilted to enable the elastic compensation sealing sheet 1 to perform elastic movement, thereby enabling the elastic compensation sealing sheet 1 to be elastically attached to the outer edge of the sector plate 15, reducing the friction of the elastic compensation sealing sheet 1, and solving the problem of air leakage between the moving and static parts.

[0028] In one embodiment, with reference to Figure 2 and Figure 3The air preheater rotor angle steel 7 is arranged on the outer edge of the air preheater rotor, a plurality of radial baffles 9 are arranged on the air preheater rotor in a uniform angle along the circumference, each radial baffle 9 is fixedly connected with a radial sealing sheet 10 for compensating the radial air leakage area above the air preheater rotor, and the side end of the radial sealing sheet 10 close to the rotor angle steel 7 is attached to the sealing inner side folding plate 5 of the elastic compensation sealing sheet 1. As known above, the plurality of elastic compensation sealing sheets 1 are arranged on the plane of the rotor angle steel 7, and the installation positions of the plurality of elastic compensation sealing sheets 1 correspond to the installation positions of the plurality of radial sealing sheets 10 one by one. Through the cooperation of the elastic compensation sealing sheet 1 and the radial sealing sheet 10, a complete sealing structure is formed in the entire radial space of the air preheater, thereby effectively reducing the air leakage rate. Through the attachment of the sealing inner side folding plate 5 of the elastic compensation sealing sheet 1 to the end of the radial sealing sheet 10, the air leakage from the side of the elastic compensation sealing sheet 1 is avoided, and the sealing effect of the entire sealing compensation structure is enhanced.

[0029] In one embodiment, as shown in Figure 4 , the elastic compensation sealing sheet 1 is an integrally formed structure. The structure of the elastic compensation sealing sheet 1 is formed by the horizontal arrangement of the sealing mounting plate 2, the sealing main body plate 3, the sealing front side plate 4, the sealing inner side folding plate 5 and the sealing outer side folding plate 6 being bent at a certain angle along the main body plate bending line 11, the front side plate bending line 12, the inner side folding plate bending line 13 and the outer side folding plate bending line 14, respectively.

[0030] In one embodiment, in combination with Figure 1 and Figure 4 , the bending method of the elastic compensation sealing sheet 1 is as follows. First, the sealing mounting plate 2 is arranged horizontally. Then, the sealing main body plate 3 is bent upwards along the main body plate bending line 11, so that the included angle between the sealing main body plate 3 and the sealing mounting plate 2 is 110°-150°, which can ensure the elastic effect after bending and reduce the bending difficulty. Then, the sealing front side plate 4 is bent downwards along the front side plate bending line 12, so that the included angle between the sealing main body plate 3 and the sealing front side plate 4 is less than the included angle between the sealing main body plate 3 and the sealing mounting plate 2 and greater than 90°. Then, the sealing inner side folding plate 5 is bent downwards along the inner side folding plate bending line 13, so that the included angle between the sealing main body plate 3 and the sealing inner side folding plate 5 is 90°. Then, the sealing outer side folding plate 6 is bent downwards along the outer side folding plate bending line 14, so that the relative included angle between the sealing mounting plate 2 and the sealing outer side folding plate 6 is 90°, thereby forming the elastic compensation sealing sheet 1.

[0031] In one embodiment, the bending part of the sealing front side plate 4 and the sealing main body plate 3 is provided as a circular arc segment, and the circular arc segment is subjected to quenching and tempering at different temperatures, which can greatly improve the rigidity, hardness, wear resistance, fatigue strength and toughness of the circular arc segment, and is more conducive to the elastic contact between the circular arc segment and the sector plate 15, thereby improving the service life of the elastic compensation sealing piece 1.

[0032] Embodiment 2

[0033] Based on the embodiment 1, the following improvements are further made: as shown in the figure, at least one set of roller mechanisms is arranged on the upper side of the sealing main body plate 3 at a position above the middle part in the width direction, and the roller mechanism includes a roller bracket fixedly installed on the sealing main body plate and a roller 16 installed on the bracket, wherein the top of the roller 16 is not lower than the highest point of the elastic compensation sealing piece 1. When the elastic compensation sealing piece 1 is abnormally deformed, the elastic compensation sealing piece 1 may be excessively raised, and at this time, the roller 16 arranged can first contact the sector plate 15, thereby avoiding the elastic compensation sealing piece 1 and the sector plate 15 from being damaged due to severe collision and friction. Figure 5 Embodiment 3

[0034] Based on the embodiment 1, the following improvements are further made: as shown in the figure, a transition bending plate 17 is added between the sealing main body plate 3 and the sealing installation plate 2, the width of the transition bending plate 17 is consistent with the width of the sealing main body plate 3 and the sealing installation plate 2, the transition bending plate 17 is composed of an upper side plate and an inclined side plate, the upper side plate away from the inclined side plate is fixedly connected with the sealing main body plate 3, and the inclined side plate away from the upper side plate is fixedly connected with the sealing installation plate 2, the upper side plate of the transition bending plate 17 is parallel to the plane of the rotor angle steel 7, and a spring 18 is fixedly arranged at the bottom of the upper side plate of the transition bending plate 17 and in contact with the plane of the rotor angle steel 7, so that when the elastic compensation sealing piece 1 is elastically deformed and fails, the elastic compensation sealing piece 1 can still be in elastic contact with the sector plate 15 under the elastic action of the spring 18.

[0035] Figure 6 Embodiment 4

[0036] Based on the embodiment 1, the following improvements are further made: as shown in the figure, a transition bending plate 17 is added between the sealing main body plate 3 and the sealing installation plate 2, the width of the transition bending plate 17 is consistent with the width of the sealing main body plate 3 and the sealing installation plate 2, the transition bending plate 17 is composed of an upper side plate and an inclined side plate, the upper side plate away from the inclined side plate is fixedly connected with the sealing main body plate 3, and the inclined side plate away from the upper side plate is fixedly connected with the sealing installation plate 2, the upper side plate of the transition bending plate 17 is parallel to the plane of the rotor angle steel 7, and a spring 18 is fixedly arranged at the bottom of the upper side plate of the transition bending plate 17 and in contact with the plane of the rotor angle steel 7, so that when the elastic compensation sealing piece 1 is elastically deformed and fails, the elastic compensation sealing piece 1 can still be in elastic contact with the sector plate 15 under the elastic action of the spring 18.

[0037] Based on the embodiment 1, the following improvements are further made: as shown in the figure, a transition bending plate 17 is added between the sealing main body plate 3 and the sealing installation plate 2, the width of the transition bending plate 17 is consistent with the width of the sealing main body plate 3 and the sealing installation plate 2, the transition bending plate 17 is composed of an upper side plate and an inclined side plate, the upper side plate away from the inclined side plate is fixedly connected with the sealing main body plate 3, and the inclined side plate away from the upper side plate is fixedly connected with the sealing installation plate 2, the upper side plate of the transition bending plate 17 is parallel to the plane of the rotor angle steel 7, and a spring 18 is fixedly arranged at the bottom of the upper side plate of the transition bending plate 17 and in contact with the plane of the rotor angle steel 7, so that when the elastic compensation sealing piece 1 is elastically deformed and fails, the elastic compensation sealing piece 1 can still be in elastic contact with the sector plate 15 under the elastic action of the spring 18. Figure 7 ​As shown, the elastic compensation sealing sheet 1 is further provided with a sealing plate 19, the sealing plate 19 comprises a connecting portion 20 parallel to the sealing mounting plate 2, an extension of the connecting portion 20 of the sealing plate 19 is bent upwards to form a sealing portion 21, the bending angle of the sealing portion 21 is greater than that of the sealing main plate 3, then the end of the sealing portion 21 is bent downwards to form a contact portion 22, the highest point of the sealing plate 19 is consistent with the highest point of the elastic compensation sealing sheet 1, in use, the connecting portion 20 of the sealing plate 19 is fixedly connected with the sealing mounting plate 2, the contact portion 22 and the bending portion of the sealing portion 21 are elastically contacted with the sector plate 15, the structure can make the sealing plate 19 have a certain elastic sealing compensation effect when the elastic compensation sealing sheet 1 is elastically deformed and fails.

[0038] Working principle: in the installation, the bent elastic compensation sealing sheet 1 is installed on the plane of the rotor angle steel 7 corresponding to the position of the radial baffle 9 of the air preheater rotor by welding or bolt connection, at the same time, the sealing inner side bent plate 5 is attached to the end of the radial sealing sheet 9, and the sealing outer side bent plate 6 is located outside the rotor angle steel 7, in use, the elastic compensation sealing sheet 1 can be elastically contacted with the sector plate 15.

[0039] The above examples are only used to illustrate the technical solutions of the embodiments of the present application, but not to limit them. Although the embodiments of the present application are described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can be modified or some technical features can be replaced by equivalents without departing from the spirit and scope defined by the claims of the present application.

Claims

1. An elastic compensation sealing sheet for an air preheater rotor angle steel, the elastic compensation sealing sheet (1) comprising a sealing mounting plate (2), a sealing main body plate (3), a sealing front side plate (4), a sealing inner side fold plate (5), and a sealing outer side fold plate (6), characterized in that, The sealing mounting plate (2) is fixed on the plane of the air preheater rotor angle steel (7), a plurality of mounting holes (8) for fixed connection are arranged on the sealing mounting plate (2), one side of the sealing mounting plate (2) in the length direction is fixedly connected with one side of the sealing main body plate (3) in the length direction, the included angle between the sealing main body plate (3) and the sealing mounting plate (2) is obtuse, and the sealing main body plate (3) is in an upwardly curved state relative to the sealing mounting plate (2), the sealing main body plate (3) is fixedly connected with the sealing outer side folding plate (6) on one side in the length direction, the sealing outer side folding plate (6) is vertically downward, and the sealing outer side folding plate (6) is located on the outer side of the rotor angle steel (7), the other side of the sealing main body plate (3) in the length direction is fixedly connected with one side of the sealing front side plate (4), the included angle between the sealing main body plate (3) and the sealing front side plate (4) is obtuse, and the sealing front side plate (4) is in a downwardly curved state relative to the sealing main body plate (3), one side of the sealing main body plate (3) close to the inner side of the rotor angle steel (7) is fixedly connected with one side of the sealing inner side folding plate (5), the sealing inner side folding plate (5) is vertically downward relative to the sealing main body plate (3), and the sealing inner side folding plate (5) is located on the inner side of the rotor angle steel (7); The air preheater rotor angle steel (7) is arranged on the outer edge of the air preheater rotor, a plurality of radial baffles (9) are uniformly and equiangularly arranged on the air preheater rotor in the circumferential direction, and a radial sealing sheet (10) for compensating the radial air leakage area above the air preheater rotor is fixedly connected to each radial baffle (9), and the end part close to the rotor angle steel (7) of the sealing inner side folding plate (5) on the elastic compensation sealing sheet (1) is attached to the radial sealing sheet (10); A plurality of the elastic compensation sealing sheets (1) are arranged on the plane of the rotor angle steel (7), and the mounting positions of the plurality of elastic compensation sealing sheets (1) correspond to the mounting positions of the plurality of radial sealing sheets (10) one by one.

2. The elastic compensating gasket of claim 1, wherein, The elastic compensation sealing sheet (1) is an integral molding structure, and the structure of the elastic compensation sealing sheet (1) is formed by bending the sealing mounting plate (2) and the sealing main body plate (3), the sealing front side plate (4), the sealing inner side folding plate (5) and the sealing outer side folding plate (6) along the main body plate bending line (11), the front side plate bending line (12), the inner side folding plate bending line (13) and the outer side folding plate bending line (14) by a certain angle.

3. The elastic compensating gasket of claim 2, wherein, The bending method of the elastic compensation sealing sheet (1) is that the sealing installation plate (2) is horizontally arranged first, then the sealing main plate (3) is bent upwards along the main plate bending line (11), so that the included angle between the sealing main plate (3) and the sealing installation plate (2) is 110°-150°, then the sealing front side plate (4) is bent downwards along the front side plate bending line (12), so that the included angle between the sealing main plate (3) and the sealing front side plate (4) is less than the included angle between the sealing main plate (3) and the sealing installation plate (2) and greater than 90°, then the sealing inner side folding plate (5) is bent downwards along the inner side folding plate bending line (13), so that the included angle between the sealing main plate (3) and the sealing inner side folding plate (5) is 90°, then the sealing outer side folding plate (6) is bent downwards along the outer side folding plate bending line (14), so that the relative included angle between the sealing installation plate (2) and the sealing outer side folding plate (6) is 90°, and the elastic compensation sealing sheet (1) is formed.

4. The elastic compensating gasket of claim 3, wherein, The bending part of the sealing front side plate (4) and the sealing main plate (3) is arranged as a circular arc segment, and the circular arc segment is subjected to quenching treatment and tempering treatment at different temperatures.

5. The elastic compensating gasket of claim 1 wherein, The sealing inner side folding plate (5) has a notched structure, and the side edge of the notched structure is horizontally arranged or slightly inclined upwards after the elastic compensation sealing sheet (1) is installed.

6. The elastic compensating gasket of claim 5, wherein, After the elastic compensation sealing sheet (1) is installed, the distance between the lowest position of the notched structure of the sealing inner side folding plate (5) and the highest position of the radial partition plate (9) is greater than the maximum elastic deformation distance of the elastic compensation sealing sheet (1).

7. The elastic compensating gasket of claim 1 wherein, A plurality of the installation holes (8) are horizontally and equidistantly distributed along the width direction of the sealing installation plate (2).

8. The elastic compensating gasket of claim 1, wherein, The fixed connection mode between the sealing installation plate (2) and the plane of the rotor angle steel (7) is bolt connection or welding.

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