CN221032774U - High-pressure inner cylinder steel casting of gas-steam combined cycle cogeneration gas turbine - Google Patents
High-pressure inner cylinder steel casting of gas-steam combined cycle cogeneration gas turbine Download PDFInfo
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- CN221032774U CN221032774U CN202322817726.1U CN202322817726U CN221032774U CN 221032774 U CN221032774 U CN 221032774U CN 202322817726 U CN202322817726 U CN 202322817726U CN 221032774 U CN221032774 U CN 221032774U
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- cylinder body
- inner cylinder
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- sealing ring
- gas
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 12
- 238000005266 casting Methods 0.000 title claims abstract description 12
- 239000010959 steel Substances 0.000 title claims abstract description 12
- 238000007789 sealing Methods 0.000 claims abstract description 86
- 239000002184 metal Substances 0.000 claims abstract description 21
- 238000012423 maintenance Methods 0.000 claims description 24
- 229920002379 silicone rubber Polymers 0.000 claims description 6
- 239000004945 silicone rubber Substances 0.000 claims description 6
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 3
- 229920001967 Metal rubber Polymers 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 3
- 229910052731 fluorine Inorganic materials 0.000 claims description 3
- 239000011737 fluorine Substances 0.000 claims description 3
- 229910001208 Crucible steel Inorganic materials 0.000 claims 1
- 239000012530 fluid Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/14—Combined heat and power generation [CHP]
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Abstract
The utility model discloses a high-pressure inner cylinder steel casting of a gas-steam combined cycle cogeneration gas turbine, which comprises a left inner cylinder body, wherein the right end of the left inner cylinder body is provided with a right inner cylinder body, and the right end of the left inner cylinder body is detachably connected with the left end of the right inner cylinder body; a first annular groove is formed in the left end face of the right inner cylinder body, and a first metal sealing ring is embedded in the first annular groove; a second annular groove is formed in the right end face of the left inner cylinder body, and a first elastic sealing ring is embedded in the second annular groove; a plurality of ring grooves are formed in the inner wall surface of the inner ring cavity of the right inner cylinder body; the right inner cylinder body is provided with a stepped overhaul through hole at a local position, the stepped overhaul through hole is sequentially provided with a first step surface and a second step surface from inside to outside, and a sealing block is arranged in the stepped overhaul through hole. Above-mentioned technical scheme, structural design is reasonable, overhaul convenient operation, sealing performance is good and the practicality is good.
Description
Technical Field
The utility model relates to the technical field of gas turbines, in particular to a high-pressure inner cylinder steel casting of a gas turbine for combined heat and power cogeneration of gas and steam.
Background
The Gas Turbine (Gas Turbine) is an internal combustion power machine which uses continuously flowing Gas as working medium to drive the impeller to rotate at high speed, and converts the energy of fuel into useful work, and is a rotary impeller type heat engine.
The current internal cylinder design of the gas turbine generally adopts a horizontal split structure, namely an upper half cylinder and a lower half cylinder, and the upper half cylinder and the lower half cylinder are connected together through flange bolts. Although be convenient for processing and manufacturing, design just must guarantee the leakproofness of well face for the upper half of inner cylinder and the lower half of inner cylinder, and the moving blade in the inner cylinder is generally all installed on the baffle cover earlier, then the baffle cover passes through the suspension pin and installs on the inner cylinder again, because baffle cover width is bigger than blade width, needs certain installation space, and the structure is more complicated moreover, the maintenance after the installation needs to dismantle upper half cylinder and lower half cylinder, maintenance operation is troublesome, install again after the dismantlement, leads to sealing performance to decline easily, and waste time and energy, the practicality is poor.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model aims to provide the high-pressure inner cylinder steel casting of the gas-steam combined cycle cogeneration gas turbine, which has the advantages of reasonable structural design, convenient maintenance operation, good sealing performance and good practicability.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the high-pressure inner cylinder steel casting of the gas-steam combined cycle cogeneration gas turbine comprises a left inner cylinder body, wherein the right end of the left inner cylinder body is provided with a right inner cylinder body, and the right end of the left inner cylinder body is detachably connected with the left end of the right inner cylinder body; a first annular groove is formed in the left end face of the right inner cylinder body, and a first metal sealing ring is embedded in the first annular groove; a second annular groove is formed in the right end face of the left inner cylinder body, and a first elastic sealing ring is embedded in the second annular groove;
The right inner cylinder body is provided with a steam inlet, an inner annular cavity is arranged in the right inner cylinder body, and a plurality of annular grooves are formed in the inner wall surface of the inner annular cavity;
The utility model discloses a cylinder body, including right inner cylinder body, sealing block and sealing block, wherein the local position of right inner cylinder body is provided with a cascaded maintenance through-hole, cascaded maintenance through-hole has set gradually first step face and second step face from interior to exterior, be provided with a sealing block in the cascaded maintenance through-hole, sealing block inner is aimed at every annular position and all is provided with an arc recess, be provided with the second metal seal circle between sealing block and the first step face, be provided with the second elastic seal circle between sealing block and the second step face, sealing block outer end an organic whole is provided with the connecting plate, be provided with the fastener between the surface of connecting plate and right inner cylinder body.
The utility model is further provided with: the side of the sealing block is fixedly provided with a silicone rubber sealing layer, the sealing block is sealed with the lower end of the inner wall surface of the stepped overhaul through hole through the silicone rubber sealing layer, the sealing block is sealed with the first step surface through a second metal sealing ring, and the sealing block is sealed with the second step surface through a second elastic sealing ring.
The utility model is further arranged to: the first metal sealing ring and the second metal sealing ring are metal rubber sealing rings, a first seal is formed between the right end face of the left inner cylinder body and the left end face of the right inner cylinder body through the first metal sealing ring, and a second seal is formed between the right end face of the left inner cylinder body and the left end face of the right inner cylinder body through the first elastic sealing ring.
The utility model is further arranged to: the first elastic sealing ring and the second elastic sealing ring are both fluorine rubber sealing rings.
The utility model is further arranged to: the fastener comprises a plurality of first bolts, a plurality of right threaded blind holes are formed in the edge of the stepped overhaul through hole of the right inner cylinder body, a plurality of bolt through holes are formed in the connecting plate of the sealing block, the inner end of each first bolt is in threaded connection with the aligned threaded blind holes, and the connecting plate is locked on the outer surface of the right inner cylinder body through the first bolts.
The utility model is further arranged to: a plurality of fixing bolts are arranged between the right end of the left inner cylinder body and the left end of the right inner cylinder body, and the right end of the left inner cylinder body and the left end of the right inner cylinder body are locked and fixed through the fixing bolts; the outer end face of the sealing block is integrally provided with a disassembling handle.
The beneficial effects of the utility model are as follows: compared with the prior art, the utility model has reasonable structural arrangement, the right end of the left inner cylinder body is detachably connected with the left end of the right inner cylinder body, the right end surface of the left inner cylinder body and the left end surface of the right inner cylinder body form a first seal through the first metal sealing ring, the right end surface of the left inner cylinder body and the left end surface of the right inner cylinder body form a second seal through the first elastic sealing ring, the assembly and the disassembly are easy, and the maintenance work can not influence the sealing performance of the inner cylinder body; and be provided with a cascaded maintenance through-hole in the local position of cylinder body in the right, be provided with a sealed chock in the cascaded maintenance through-hole, little maintenance and maintenance need not dismantle interior cylinder body, only need dismantle sealed chock just can overhaul and add lubricating fluid maintenance, and it is more convenient to overhaul the operation, and sealing performance is good, and the practicality is good.
The utility model is further described below with reference to the drawings and specific examples.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
fig. 2 is an enlarged schematic view of the section I in fig. 1.
Detailed Description
In the description of the present embodiment, it should be noted that, if terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", and the like are presented, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, only for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the indicated apparatus or element must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like, as used herein, are used for descriptive purposes only and are not to be construed as indicating or implying any relative importance.
Referring to fig. 1 and 2, the high-pressure inner cylinder steel casting of the gas-steam combined cycle cogeneration gas turbine disclosed by the utility model comprises a left inner cylinder body 1, wherein the right end of the left inner cylinder body 1 is provided with a right inner cylinder body 2, and the right end of the left inner cylinder body 1 is detachably connected with the left end of the right inner cylinder body 2; a first annular groove 21 is formed in the left end face of the right inner cylinder body 2, and a first metal sealing ring 3 is embedded in the first annular groove 21; a second annular groove 11 is formed in the right end face of the left inner cylinder body 2, and a first elastic sealing ring 4 is embedded in the second annular groove 11;
The right inner cylinder body 2 is provided with a steam inlet 22, an inner annular cavity 23 is arranged in the right inner cylinder body 2, and a plurality of annular grooves 231 are arranged on the inner wall surface of the inner annular cavity 23;
The part position of the right inner cylinder body 2 is provided with a stepped overhaul through hole 24, the stepped overhaul through hole 24 is provided with a first step surface 241 and a second step surface 242 from inside to outside in sequence, the stepped overhaul through hole 24 is internally provided with a sealing block 5, the inner end of the sealing block 5 is aligned with each annular groove 231 and is provided with an arc-shaped groove 51, a second metal sealing ring 6 is arranged between the sealing block 5 and the first step surface 241, a second elastic sealing ring 7 is arranged between the sealing block 5 and the second step surface 242, the outer end of the sealing block 5 is integrally provided with a connecting plate 52, and a fastener 8 is arranged between the connecting plate 52 and the outer surface of the right inner cylinder body 2.
Preferably, the axial center lines of the right end of the left inner cylinder body 1 and the left end of the right inner cylinder body 2 are overlapped after being connected and locked, and the number of the annular grooves 231 on the inner wall surface of the inner annular cavity 23 is more than 3.
In order to make the structural arrangement of the present utility model more reasonable, as a preferred embodiment, the side surface of the sealing block 5 is fixedly provided with a silicone rubber sealing layer 53, the sealing block 5 is sealed with the lower end of the inner wall surface of the stepped maintenance through hole 24 through the silicone rubber sealing layer 53, the sealing block 5 is sealed with the first step surface 241 through the second metal sealing ring 6, and the sealing block 5 is sealed with the second step surface 242 through the second elastic sealing ring 7.
The first metal sealing ring 3 and the second metal sealing ring 6 are metal rubber sealing rings, a first seal is formed between the right end face of the left inner cylinder body 1 and the left end face of the right inner cylinder body 2 through the first metal sealing ring 3, and a second seal is formed between the right end face of the left inner cylinder body 2 and the left end face of the right inner cylinder body 2 through the first elastic sealing ring 4.
The first elastic sealing ring 4 and the second elastic sealing ring 7 are both fluorine rubber sealing rings.
The fastener 8 comprises a plurality of first bolts, a plurality of right threaded blind holes are formed in the edge position of the stepped overhaul through hole of the right inner cylinder body 2, a plurality of bolt through holes are formed in the connecting plate 52 of the sealing block 5, the inner end of each first bolt is in threaded connection with the aligned threaded blind holes, and the connecting plate 52 is locked on the outer surface of the right inner cylinder body 2 through the first bolts. Preferably, the number of the first bolts is set to be 4 or more.
A plurality of fixing bolts 9 are arranged between the right end of the left inner cylinder body 1 and the left end of the right inner cylinder body 2, and the right end of the left inner cylinder body 1 and the left end of the right inner cylinder body 2 are locked and fixed through the fixing bolts 9; the outer end surface of the sealing block 5 is integrally provided with a disassembling handle 54. Preferably, the number of the fixing bolts 9 is set to 4 or more.
When the novel hydraulic cylinder is in practical application, the right end of the left inner cylinder body is detachably connected with the left end of the right inner cylinder body, the right end face of the left inner cylinder body and the left end face of the right inner cylinder body form a first seal through the first metal sealing ring, the right end face of the left inner cylinder body and the left end face of the right inner cylinder body form a second seal through the first elastic sealing ring, the assembly and the disassembly are easy, and the maintenance work cannot influence the sealing performance of the inner cylinder body; and be provided with a cascaded maintenance through-hole in the local position of cylinder body in the right, be provided with a sealed chock in the cascaded maintenance through-hole, little maintenance and maintenance need not dismantle interior cylinder body, only need dismantle sealed chock just can overhaul and add lubricating fluid maintenance, maintenance operation is more convenient, structural design is reasonable, sealing performance is good, the practicality is good.
The foregoing embodiments are provided for further explanation of the present utility model and are not to be construed as limiting the scope of the present utility model, and some insubstantial modifications and variations of the present utility model, which are within the scope of the utility model, will be suggested to those skilled in the art in light of the foregoing teachings.
Claims (6)
1. The utility model provides a gas steam combined cycle cogeneration gas turbine high pressure inner cylinder cast steel, includes left inner cylinder body (1), its characterized in that: the right end of the left inner cylinder body (1) is provided with a right inner cylinder body (2), and the right end of the left inner cylinder body (1) is detachably connected with the left end of the right inner cylinder body (2); a first annular groove (21) is formed in the left end face of the right inner cylinder body (2), and a first metal sealing ring (3) is embedded in the first annular groove (21); a second annular groove (11) is formed in the right end face of the left inner cylinder body (1), and a first elastic sealing ring (4) is embedded in the second annular groove (11);
A steam inlet (22) is formed in the right inner cylinder body (2), an inner annular cavity (23) is formed in the right inner cylinder body (2), and a plurality of annular grooves (231) are formed in the inner wall surface of the inner annular cavity (23);
The utility model discloses a cylinder body, including cylinder body (2) in the right side, the local position of cylinder body (2) is provided with a cascaded maintenance through-hole (24), cascaded maintenance through-hole (24) has set gradually first step face (241) and second step face (242) from interior to exterior, be provided with a sealed sprue (5) in cascaded maintenance through-hole (24), every annular (231) position is all provided with an arc recess (51) in sealed sprue (5) inner, be provided with second metal seal circle (6) between sealed sprue (5) and first step face (241), be provided with second elastic seal circle (7) between sealed sprue (5) and second step face (242), sealed sprue (5) outer end an organic whole is provided with connecting plate (52), be provided with fastener (8) between the surface of connecting plate (52) and cylinder body (2) in the right side.
2. A gas and steam combined cycle cogeneration gas turbine high pressure inner casing steel casting according to claim 1, wherein: the side of sealing block (5) is fixed and is provided with silicone rubber sealing layer (53), sealing block (5) are sealed with the inner wall surface lower extreme of ladder type maintenance through-hole (24) through silicone rubber sealing layer (53), and sealing block (5) are sealed with first step face (241) through second metal seal circle (6), and sealing block (5) are sealed with second step face (242) through second elastic seal circle (7).
3. A gas and steam combined cycle cogeneration gas turbine high pressure inner casing steel casting according to claim 2, wherein: the first metal sealing ring (3) and the second metal sealing ring (6) are metal rubber sealing rings, a first seal is formed between the right end face of the left inner cylinder body (1) and the left end face of the right inner cylinder body (2) through the first metal sealing ring (3), and a second seal is formed between the right end face of the left inner cylinder body (1) and the left end face of the right inner cylinder body (2) through the first elastic sealing ring (4).
4. A gas and steam combined cycle cogeneration gas turbine high pressure inner casing steel casting according to claim 3, wherein: the first elastic sealing ring (4) and the second elastic sealing ring (7) are both fluorine rubber sealing rings.
5. A gas and steam combined cycle cogeneration gas turbine high pressure inner casing steel casting according to claim 4, wherein: the fastener (8) comprises a plurality of first bolts, a plurality of threaded blind holes are formed in the edge position of the stepped overhaul through hole of the right inner cylinder body (2), a plurality of bolt through holes are formed in the connecting plate (52) of the sealing block (5), the inner end of each first bolt is in threaded connection with the aligned threaded blind holes, and the connecting plate (52) is locked on the outer surface of the right inner cylinder body (2) through the first bolts.
6. A gas and steam combined cycle cogeneration gas turbine high pressure inner casing steel casting according to claim 5, wherein: a plurality of fixing bolts (9) are arranged between the right end of the left inner cylinder body (1) and the left end of the right inner cylinder body (2), and the right end of the left inner cylinder body (1) and the left end of the right inner cylinder body (2) are locked and fixed through the fixing bolts (9); the outer end face of the sealing block (5) is integrally provided with a disassembling handle (54).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322817726.1U CN221032774U (en) | 2023-10-20 | 2023-10-20 | High-pressure inner cylinder steel casting of gas-steam combined cycle cogeneration gas turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322817726.1U CN221032774U (en) | 2023-10-20 | 2023-10-20 | High-pressure inner cylinder steel casting of gas-steam combined cycle cogeneration gas turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221032774U true CN221032774U (en) | 2024-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322817726.1U Active CN221032774U (en) | 2023-10-20 | 2023-10-20 | High-pressure inner cylinder steel casting of gas-steam combined cycle cogeneration gas turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221032774U (en) |
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2023
- 2023-10-20 CN CN202322817726.1U patent/CN221032774U/en active Active
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