CN212429288U - High-pressure compressor wheel disc sealing structure - Google Patents
High-pressure compressor wheel disc sealing structure Download PDFInfo
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- CN212429288U CN212429288U CN202021196979.1U CN202021196979U CN212429288U CN 212429288 U CN212429288 U CN 212429288U CN 202021196979 U CN202021196979 U CN 202021196979U CN 212429288 U CN212429288 U CN 212429288U
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- compressor
- wheel disc
- rim plate
- sealing
- pressure compressor
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Abstract
The utility model relates to a high pressure compressor rim plate seal structure belongs to small-size gas turbine unit seal structure field. For solving the not good not enough of current high pressure compressor seal structure sealing effect, the utility model provides a high pressure compressor rim plate seal structure, including the compressor movable blade, the compressor quiet leaf, rim plate and sealing member, the one end of rim plate is for stretching out the end, and the tip processing that stretches out the end has the arch, and the other end processing of rim plate has and protruding assorted recess, and two adjacent rim plates are connected through protruding cooperation with the recess and are realized the installation, and the rim plate is through the cooperation of its broach structure and sealing member, realizes the installation between its and the compressor quiet leaf, and the compressor movable blade is installed with the rim plate cooperation. The utility model discloses when can reach sealed effect, guaranteed gas turbine's safety and high-efficient operating efficiency, just the utility model discloses the dismouting of being convenient for, simple structure.
Description
Technical Field
The utility model belongs to small-size gas turbine unit seal structure field especially relates to a high pressure compressor rim plate seal structure.
Background
When the gas turbine operates, the turbine part is contacted with high-temperature gas to prevent the gas of a main flow channel from invading into a turbine chamber, so that the gas turbine can normally and efficiently move, and the wheel disc interstage of the gas turbine needs to be sealed. The sealing effect of the high-pressure compressor wheel disc is very important, and the overall thermal cycle efficiency of the gas turbine and the safe operation of the unit can be directly influenced. At present, for a small-sized gas turbine unit, the sealing structure of a high-pressure compressor wheel disc is single in design, poor in sealing effect, not easy to detach and adjust in unit operation, and the efficiency of the unit can be influenced while the safety of the unit is influenced.
SUMMERY OF THE UTILITY MODEL
For solving the above-mentioned not good not enough of current high pressure compressor rim plate seal structure seal effect, the utility model provides a high pressure compressor rim plate seal structure.
The technical scheme of the utility model:
the utility model provides a high pressure compressor rim plate seal structure, includes compressor movable blade and compressor quiet leaf, still includes rim plate, sealing member, the one end of rim plate is for stretching out the end, and the tip processing that stretches out the end has the arch, and the other end processing of rim plate has with protruding assorted recess, and two adjacent rim plates are connected through protruding cooperation with the recess and are realized the installation, the top processing that stretches out the end of rim plate has the broach structure, the sealing member is installed to the lower extreme of compressor quiet leaf, and the broach structure has constituted seal structure with the sealing member, the compressor quiet leaf passes through seal structure and rim plate cooperation installation, the top cooperation installation of the recess end of compressor movable blade and rim plate.
For solving the above-mentioned not enough of current gas turbine unit seal structure difficult dismantlement, the utility model provides a high-pressure compressor rim plate seal structure.
The utility model provides a high pressure compressor rim plate seal structure, includes compressor movable blade and compressor quiet leaf, still includes rim plate, sealing member, the one end of rim plate is for stretching out the end, and the tip processing that stretches out the end has the arch, and the other end processing of rim plate has with protruding assorted recess, and two adjacent rim plates are connected through protruding cooperation with the recess and are realized the installation, the top processing that stretches out the end of rim plate has the broach structure, the sealing member is installed to the lower extreme of compressor quiet leaf, and the broach structure has constituted seal structure with the sealing member, the compressor quiet leaf passes through seal structure and rim plate cooperation installation, the top cooperation installation of the recess end of compressor movable blade and rim plate.
Furthermore, the bulges and the grooves of two adjacent wheel discs are connected through wheel disc fixing pins.
Further, the sealing element is fixed on the compressor stator blade through a sealing fixing piece.
The utility model has the advantages that:
1. the utility model discloses set up and constructed seal structure with the sealing member by the broach structure on the rim plate, can completely cut off the cylinder body temperature effectively, inside the prevention hot gas got into the cylinder body, reached the effect of sealed cylinder body, improved the leakproofness of high-pressure compressor rim plate, and then effectively improved the life-span of turbine jar, guaranteed gas turbine safety high efficiency operating efficiency. The movable blades and the fixed blades of the compressor are respectively arranged on the wheel discs, and the adjacent two wheel discs are matched and connected through the bulges and the grooves on the adjacent two wheel discs, so that the disassembly and the assembly can be realized, the structure is simple, and the maintenance and the replacement are convenient.
2. The utility model discloses a through rim plate fixed pin fixed mounting between two adjacent rim plates, easy dismounting just need not weld and bolt link.
3. The utility model discloses a sealing member passes through sealing fixed part and installs on the compressor quiet leaf, and sealing fixed part can be dismantled, easy dismounting, and structural design is simple, is convenient for maintain and change.
Drawings
Fig. 1 is a schematic structural diagram of the wheel disc sealing structure of the high-pressure compressor of the present invention;
FIG. 2 is a schematic structural view of the wheel disc of the present invention;
fig. 3 is a schematic structural view of the sealing structure of the present invention;
in the figure, 1, a compressor movable blade; 2. a compressor stationary blade; 3. a wheel disc; 4. a seal member; 5. a protrusion; 6. a groove; 7. a comb structure; 8. a sealing structure; 9. a wheel disc fixing pin; 10. and sealing the fixing piece.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described below with reference to specific embodiments shown in the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
The first embodiment is as follows: the present embodiment is explained with reference to fig. 1 to 3, and the following technical solutions are proposed:
a sealing structure of a wheel disc of a high-pressure compressor comprises a movable blade 1 of the compressor, a fixed blade 2 of the compressor, a wheel disc 3 and a sealing element 4, one end of the wheel disc 3 is an extension end, a bulge 5 is processed at the end part of the extension end, a groove 6 matched with the bulge 5 is processed at the other end of the wheel disc 3, two adjacent wheel discs 3 are spliced together through the bulge 5 and the groove 6, a wheel disc fixing pin 9 penetrates through the connecting part of the bulge 5 and the groove 6, namely, two adjacent wheel discs 3 are connected through a wheel disc fixing pin 9, a comb tooth structure 7 is processed above the extending end of the wheel disc 3, the lower end of the compressor stator blade 2 is provided with a sealing element 4 through a sealing fixing element 10, a comb tooth structure 7 and the sealing element form a sealing structure 8, the compressor stator blade 2 is installed with the wheel disc 3 in a matched mode through the sealing structure 8, and the compressor rotor blade 1 is installed with the upper portion of the groove end of the wheel disc 3 in a matched mode.
In the working process, air successively passes through the compressor movable blades 1 and the compressor fixed blades 2, so that the pressure is increased, the reasonable design of the wheel disc sealing structure is used for reducing high pressure and leaking the high pressure to a low pressure area through the inside of the wheel disc, the sealing effect of the unit is improved, and the pneumatic efficiency is improved. The temperature of the cylinder body can be effectively isolated, hot gas is prevented from entering the cylinder body, the effect of sealing the cylinder body is achieved, the service life of the turbine cylinder is effectively prolonged, and the safe and efficient operation efficiency of the gas turbine is guaranteed.
The second embodiment is as follows: the present embodiment is explained with reference to fig. 2 and 3, and the following technical solutions are proposed:
a sealing structure of a wheel disc of a high-pressure compressor comprises a movable blade 1 of the compressor, a fixed blade 2 of the compressor, a wheel disc 3 and a sealing element 4, one end of the wheel disc 3 is an extension end, a bulge 5 is processed at the end part of the extension end, a groove 6 matched with the bulge 5 is processed at the other end of the wheel disc 3, two adjacent wheel discs 3 are spliced together through the bulge 5 and the groove 6, a bolt penetrates through the connecting part of the bulge 5 and the groove 6, namely, two adjacent wheel discs 3 are connected through bolts, a comb structure 7 is processed above the extending end of the wheel discs 3, the lower end of the compressor stator blade 2 is provided with a sealing element 4 through a sealing fixing element 10, a comb tooth structure 7 and the sealing element form a sealing structure 8, the compressor stator blade 2 is installed with the wheel disc 3 in a matched mode through the sealing structure 8, and the compressor rotor blade 1 is installed with the upper portion of the groove end of the wheel disc 3 in a matched mode.
The third concrete implementation mode: the present embodiment is explained with reference to fig. 2 and 3, and the following technical solutions are proposed:
a sealing structure of a wheel disc of a high-pressure compressor comprises a movable blade 1 of the compressor, a fixed blade 2 of the compressor, a wheel disc 3 and a sealing element 4, one end of the wheel disc 3 is an extension end, a bulge 5 is processed at the end part of the extension end, a groove 6 matched with the bulge 5 is processed at the other end of the wheel disc 3, two adjacent wheel discs 3 are spliced together through the bulge 5 and the groove 6, a wheel disc fixing pin 9 penetrates through the connecting part of the bulge 5 and the groove 6, namely, two adjacent wheel discs 3 are connected through bolts, a comb structure 7 is processed above the extending end of the wheel discs 3, the lower end of the compressor stator blade 2 is provided with a sealing element 4, a comb tooth structure 7 and the sealing element form a sealing structure 8, the compressor stator blade 2 is installed with the wheel disc 3 in a matched mode through the sealing structure 8, and the compressor rotor blade 1 is installed with the upper portion of the groove end of the wheel disc 3 in a matched mode.
Claims (3)
1. A sealing structure of a wheel disc of a high-pressure compressor comprises a movable blade (1) of the compressor and a fixed blade (2) of the compressor, the device is characterized by further comprising a wheel disc (3) and a sealing element (4), wherein one end of the wheel disc (3) is an extending end, a bulge (5) is processed at the end part of the extending end, a groove (6) matched with the bulge (5) is processed at the other end of the wheel disc (3), two adjacent wheel discs (3) are connected through the matching of the bulge (5) and the groove (6) to realize installation, a comb tooth structure (7) is processed above the extending end of the wheel disc (3), the lower end of the compressor stator blade (2) is provided with a sealing element (4), the comb tooth structure (7) and the sealing element form a sealing structure (8), the compressor stator blade (2) is matched and installed with the wheel disc (3) through a sealing structure (8), the compressor movable blades (1) are installed above the groove end of the wheel disc (3) in a matched mode.
2. The high-pressure compressor wheel disc sealing structure as claimed in claim 1, characterized in that the bulges (5) and the grooves (6) of two adjacent wheel discs (3) are connected by means of wheel disc fixing pins (9).
3. The high-pressure compressor disk seal according to claim 1, characterized in that the seal (4) is fixed to the compressor stator blade (2) by a seal holder (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021196979.1U CN212429288U (en) | 2020-06-24 | 2020-06-24 | High-pressure compressor wheel disc sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021196979.1U CN212429288U (en) | 2020-06-24 | 2020-06-24 | High-pressure compressor wheel disc sealing structure |
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| CN212429288U true CN212429288U (en) | 2021-01-29 |
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| CN202021196979.1U Active CN212429288U (en) | 2020-06-24 | 2020-06-24 | High-pressure compressor wheel disc sealing structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113847273A (en) * | 2021-10-15 | 2021-12-28 | 大连海事大学 | Compressor interstage sealing containing cavity structure with impeller |
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2020
- 2020-06-24 CN CN202021196979.1U patent/CN212429288U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113847273A (en) * | 2021-10-15 | 2021-12-28 | 大连海事大学 | Compressor interstage sealing containing cavity structure with impeller |
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