CN211202071U - High-pressure inner cylinder for steam turbine - Google Patents
High-pressure inner cylinder for steam turbine Download PDFInfo
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- CN211202071U CN211202071U CN201921585879.5U CN201921585879U CN211202071U CN 211202071 U CN211202071 U CN 211202071U CN 201921585879 U CN201921585879 U CN 201921585879U CN 211202071 U CN211202071 U CN 211202071U
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- pressure inner
- cylinder body
- inner casing
- steam turbine
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Abstract
The utility model provides a high-pressure inner casing for steam turbine uses, it includes the cylinder body that two halves are constituteed about, high-pressure inner casing is the rectangle design to be equipped with outside outstanding gas pocket at a side end, the both sides of its gas pocket are equipped with semicircular angle limit respectively, and be equipped with connecting grooves on the corner, the inside both sides that are close to the edge of cylinder body are equipped with transverse arrangement's blade groove respectively at top and bottom, and both sides blade groove encloses into a rectangular cavity with the cylinder body is inside, and inside is equipped with lubricating oil, in time lubricates when the blade rotates, the bottom of cavity is equipped with an oil outlet pipe way that is used for changing lubricating oil to be equipped with one at the top and go into the oilhole. The novel sealing device has the advantages of better sealing effect, labor and material conservation, simple structure, convenience in maintenance and great improvement on the service life of products.
Description
Technical Field
The utility model belongs to high-pressure inner casing field, concretely relates to high-pressure inner casing for use on steam turbine.
Background
The steam turbine is an external combustion rotary machine which can convert steam heat energy into mechanical work, and steam from a boiler enters the steam turbine and then sequentially passes through a series of annularly configured nozzles and movable blades to convert the heat energy of the steam into mechanical energy for rotating a rotor of the steam turbine. Steam turbines generally operate at high temperatures, pressures and rotational speeds, and are relatively delicate heavy machinery.
The working environment of the high-pressure cylinder of the steam turbine is extremely severe, and the high-temperature and high-pressure steam releases heat energy and converts the heat energy into mechanical energy, so that the high-pressure inner cylinder has higher material requirement, and the structural form of the high-pressure inner cylinder simultaneously has the functions of bearing blades and rotating shafts, and simultaneously ensures lubrication and airtightness, thereby being a precise mechanical part.
Disclosure of Invention
The utility model provides a technical problem provide a steam turbine high pressure inner cylinder, solve among the prior art high pressure inner cylinder longevity face short, defect such as lubricated inadequately. The purpose of the utility model can be realized by the following technical proposal: the utility model provides a high-pressure inner casing for steam turbine uses, it includes the cylinder body that two halves are constituteed about, high-pressure inner casing is the rectangle design to be equipped with outside outstanding gas pocket at a side end, the both sides of its gas pocket are equipped with semicircular angle limit respectively, and be equipped with connecting grooves on the corner, the inside both sides that are close to the edge of cylinder body are equipped with transverse arrangement's blade groove respectively at top and bottom, and both sides blade groove encloses into a rectangular cavity with the cylinder body is inside, and inside is equipped with lubricating oil, in time lubricates when the blade rotates, the bottom of cavity is equipped with an oil outlet pipe way that is used for changing lubricating oil to be equipped with one at the top and go into the oilhole.
Preferably, the method comprises the following steps: the number of the blade grooves is 6, the blade grooves are uniformly distributed from top to bottom, the distance between every two blade grooves is 2CM,
preferably, the method comprises the following steps: the outside of cylinder body still is equipped with the lug that is used for conveniently hoisting the usefulness, be equipped with anti-skidding granule on the lug for place the rope and skid.
Preferably, the method comprises the following steps: and the two sides of the cylinder body are respectively provided with a front bearing seat block and a rear bearing seat block which are protruded.
Steam turbine high pressure inner casing rational in infrastructure, guarantee steam turbine normal operating, improve the life of steam turbine.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The invention will be described in detail below with reference to the following figures: FIG. 1 shows the following steps: a high-pressure inner cylinder for a steam turbine comprises a cylinder body 1 consisting of an upper half and a lower half, wherein the high-pressure inner cylinder 1 is in a rectangular design, an air hole 2 protruding outwards is formed in one side end part, semicircular corner edges 3 are respectively arranged on two sides of the air hole 2, connecting grooves 4 are formed in the corner edges 3, blade grooves 5 which are transversely arranged are respectively arranged on two sides, close to the edges, in the cylinder body 1 at the top and the bottom, the blade grooves 5 on the two sides enclose the inside of the cylinder body into a rectangular cavity 6, lubricating oil is filled in the cavity and is lubricated in time when blades rotate, an oil outlet pipeline 7 for replacing the lubricating oil is arranged at the bottom of the cavity 6, an oil inlet hole 8 is formed in the top, the blade grooves 5 are 6 in total and are uniformly arranged up and down, the distance between every two blade grooves 5 is 2CM, and a lifting lug 9 for facilitating lifting is further arranged on the outer side of, the lifting lug 9 is provided with anti-skid particles for placing a rope to skid, and two side edges of the cylinder body are respectively provided with a front bearing seat block 10 and a rear bearing seat block 11 which are protruded.
The utility model overcomes prior art's is not enough, has done an improvement to the high pressure inner casing, improves the blade groove in the inner casing, can let the space utilize more fully to lug and bearing frame all arrange very reasonable position, let the cylinder carry out the studio more stable and reduce material, characteristics such as result of use is better.
Claims (4)
1. The utility model provides a high-pressure inner casing for steam turbine uses, it includes the cylinder body that two halves are constituteed about, its characterized in that high-pressure inner casing is the rectangle design to be equipped with outside outstanding gas pocket at a side end, the both sides of its gas pocket are equipped with semicircular angle limit respectively, and be equipped with connecting grooves on the corner, the inside both sides that are close to the edge of cylinder body are equipped with transverse arrangement's blade groove respectively at top and bottom, and both sides blade groove encloses the cylinder body inside into a rectangular cavity, and inside is equipped with lubricating oil, in time lubricates when the blade rotates, the bottom of cavity is equipped with an oil outlet pipe who is used for changing lubricating oil to be equipped with an income oilhole at the top.
2. The high pressure inner casing for use in a steam turbine according to claim 1, wherein said vane grooves are arranged in a uniform manner from top to bottom in a total of 6, and a distance between each of said vane grooves is 2 CM.
3. The high-pressure inner casing for the steam turbine according to claim 1, wherein the outer side of the cylinder body is further provided with lifting lugs for facilitating lifting, and the lifting lugs are provided with anti-skid particles for preventing a rope from slipping.
4. The high pressure inner casing for a steam turbine according to claim 1, wherein the cylinder block is provided at both side edges thereof with a front bearing block and a rear bearing block, which are protruded, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921585879.5U CN211202071U (en) | 2019-09-23 | 2019-09-23 | High-pressure inner cylinder for steam turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921585879.5U CN211202071U (en) | 2019-09-23 | 2019-09-23 | High-pressure inner cylinder for steam turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211202071U true CN211202071U (en) | 2020-08-07 |
Family
ID=71856514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921585879.5U Active CN211202071U (en) | 2019-09-23 | 2019-09-23 | High-pressure inner cylinder for steam turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211202071U (en) |
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2019
- 2019-09-23 CN CN201921585879.5U patent/CN211202071U/en active Active
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