CN208184795U - Supercritical turbine cartridge type high-pressure inner cylinder casting - Google Patents
Supercritical turbine cartridge type high-pressure inner cylinder casting Download PDFInfo
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- CN208184795U CN208184795U CN201820652810.9U CN201820652810U CN208184795U CN 208184795 U CN208184795 U CN 208184795U CN 201820652810 U CN201820652810 U CN 201820652810U CN 208184795 U CN208184795 U CN 208184795U
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- inner casing
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Abstract
The utility model discloses a kind of supercritical turbine cartridge type high-pressure inner cylinder casting, including inner casing casting ontology, vaporium is provided in inner casing casting ontology, inner casing casting ontology is located at vaporium upper end position and is provided with first through hole, steam pipeline is equipped in the first through hole, at least provided with an oil duct in inner casing casting ontology, inner casing casting ontology upper end is provided with oil duct import, the bottom righthand side of inner casing casting ontology has been wholely set oil passage outlet, and one layer of refractory layer is coated on the inner wall of vaporium；The lower end of inner casing casting ontology has been wholely set a connecting flange, and multiple first screw holes are provided on connecting flange；The inner wall of first through hole is disposed with first annular groove and second annular groove from bottom to up, and the first sealing ring is provided in first annular groove, the second sealing ring is provided in second annular groove.Above-mentioned technical proposal, it is reasonable in design, structure is simple, function is more, the connection of internal layer cylinder is reliable, be not likely to produce noise and practicability is good.
Description
Technical field
The utility model relates to steam turbine technology fields, and in particular to a kind of supercritical turbine cartridge type high-pressure inner cylinder casting
Part.
Background technique
In large-size steam turbine, since initial steam pressure is very high, senior middle school's air cylinder internal and external pressure difference is also increased with it.Using double
After layer cylinder, high-pressure cylinder internal and external pressure difference can be shared by internal layer cylinder and outer layer cylinder, can make interior outward flange thick in this way
Degree reduces, and is conducive to the operation of unit.But there is also deficiencies for existing steam turbine high-pressure cylinder: structure setting is unreasonable, structure
Complexity has a single function, and the connection of internal layer cylinder is unreliable, is easy to loosen in the course of work, is easy to produce noise, the practicability is poor.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of reasonable in design, structures
Simply, function is more, the connection of internal layer cylinder is reliable, is not likely to produce noise and in supercritical turbine cartridge type high pressure that practicability is good
Cylinder casting.
To achieve the above object, the utility model provides following technical solution: a kind of supercritical turbine cartridge type is high
Inner casing casting, including inner casing casting ontology are pressed, is provided with vaporium, this position of the inner casing casting in the inner casing casting ontology
Vaporium upper end position is provided with a first through hole, a steam pipeline, the inner casing are equipped in the first through hole
At least provided with an oil duct in casting ontology, the inner casing casting ontology upper end has been wholely set oil duct import, the inner casing
The bottom righthand side of casting ontology has been wholely set oil passage outlet, and one layer of refractory layer is coated on the inner wall of the vaporium；In described
The lower end of cylinder casting ontology has been wholely set a connecting flange, and multiple first screw holes are provided on the connecting flange；It is described
The inner wall of first through hole is disposed with first annular groove and second annular groove, the first annular groove from bottom to up
It is inside provided with the first sealing ring, the second sealing ring is provided in second annular groove.
By using above-mentioned technical proposal, existing conduction oil can be added in the intrinsic oil duct of inner casing casting, it is thermally conductive
Oil can transfer heat in existing other components or article, be efficiently used to the waste heat of inner casing casting ontology,
Hygienic environment-protecting；Refractory layer, which is coated with, on the inner wall of vaporium is able to extend service life；First sealing ring and the second sealing ring are set
It sets rationally, so that inner casing casting ontology and steam pipeline junction good airproof performance；Connecting flange is easy to connect, and positioning is reliable；
It is reasonable in design, structure is simple, function is more, the connection of internal layer cylinder is reliable, be not likely to produce noise and practicability is good.
The utility model is further arranged to: one piece of first company has been wholely set on the left side of the inner casing casting ontology
Convex block is connect, is provided with multiple first connecting holes on the first connection convex block.By this setting, the first connection convex block setting is reasonable,
The connection of inner casing casting ontology is more convenient, and connection is reliable.
The utility model is further arranged to: being wholely set one piece second on the right side of the inner casing casting ontology
Convex block is connected, is provided with multiple second connecting holes on the second connection convex block.By this setting, the second connection convex block setting is closed
Reason, the connection of inner casing casting ontology is more convenient, and connection is reliable.
The utility model is further arranged to: the first connection convex block and the second connection convex block are symmetrical arranged.
The utility model is further arranged to: the refractory layer be chrome layer, and refractory layer with a thickness of 0.1-
1.5mm。
The utility model is further arranged to: being provided with external screw thread on the oil duct import and oil passage outlet.
The utility model has the advantages that: compared with prior art, the utility model structure setting is more reasonable, inner casing casting
Existing conduction oil can be added in intrinsic oil duct, conduction oil can transfer heat to existing other components or article
It is interior, the waste heat of inner casing casting ontology is efficiently used, hygienic environment-protecting；Being coated with refractory layer on the inner wall of vaporium can
Prolong the service life；First sealing ring and the setting of the second sealing ring are reasonable, so that inner casing casting ontology is connect with steam pipeline
Locate good airproof performance；Connecting flange is easy to connect, and positioning is reliable；It is reasonable in design, structure is simple, function is more, internal layer cylinder connect
Connect it is reliable, be not likely to produce noise and practicability is good.
The utility model is described in further detail with specific embodiment with reference to the accompanying drawings of the specification.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment；
Fig. 2 is the enlarged diagram in the portion I in Fig. 1.
Specific embodiment
Referring to Fig. 1 and Fig. 2, a kind of supercritical turbine cartridge type high-pressure inner cylinder casting disclosed by the utility model, including
Inner casing casting ontology 1 is provided with vaporium 11 in the inner casing casting ontology 1, and the inner casing casting ontology 1 is located at vaporium 11
Upper end position is provided with a first through hole 12, and a steam pipeline 2, the inner casing casting are equipped in the first through hole 12
At least provided with an oil duct 13 in ontology 1,1 upper end of inner casing casting ontology has been wholely set oil duct import 14, described interior
The bottom righthand side of cylinder casting ontology 1 has been wholely set oil passage outlet 15, and one layer of refractory layer is coated on the inner wall of the vaporium 11
3；The lower end of the inner casing casting ontology 1 has been wholely set a connecting flange 16, is provided on the connecting flange 16 multiple
First screw hole 161；The inner wall of the first through hole 12 is disposed with first annular groove 121 and the second annular from bottom to up
Groove 122 is provided with the first sealing ring 4 in the first annular groove 121, and it is close to be provided with second in second annular groove 122
Seal 5.
Preferably, first sealing ring 4 and the second sealing ring 5 are existing high temperature resistant O-ring seal.
To keep the utility model structure setting more reasonable, preferably, inner casing casting ontology 1 described in the present embodiment
It has been wholely set one piece of first connection convex block 17 on left side, has been provided with multiple first connecting holes on the first connection convex block 17
171。
One piece of second connection convex block 18 is wholely set on the right side of the inner casing casting ontology 1, second connection is convex
Multiple second connecting holes 181 are provided on block 18.
The first connection convex block 17 and the second connection convex block 18 are symmetrical arranged.
The refractory layer 3 be chrome layer, and refractory layer 3 with a thickness of 0.1-1.5mm.
External screw thread is provided on the oil duct import 14 and oil passage outlet 15.
When practical application, it can be added existing conduction oil in the intrinsic oil duct of inner casing casting, conduction oil can will be warm
Amount is transmitted in existing other components or article, is efficiently used to the waste heat of inner casing casting ontology, hygienic environment-protecting；It steams
Refractory layer, which is coated with, on the inner wall of steam chest is able to extend service life；First sealing ring and the setting of the second sealing ring are reasonable, so that
Inner casing casting ontology and steam pipeline junction good airproof performance；Connecting flange is easy to connect, and positioning is reliable；Structure design is closed
Reason, structure is simple, function is more, the connection of internal layer cylinder is reliable, be not likely to produce noise and practicability is good.
Above-described embodiment is served only for that the utility model is further described, no to the specific descriptions of the utility model
It can be interpreted as the restriction to scope of protection of the utility model, the technician of this field is according to the content pair of above-mentioned utility model
The utility model is made some nonessential modifications and adaptations and is each fallen within the protection scope of the utility model.
Claims (6)
1. a kind of supercritical turbine cartridge type high-pressure inner cylinder casting, including inner casing casting ontology (1), the inner casing casting ontology
(1) it is provided with vaporium (11) in, the inner casing casting ontology (1) is located at vaporium (11) upper end position and is provided with one first
Through-hole (12), the first through hole (12) is interior to be equipped with a steam pipeline (2), it is characterised in that: the inner casing casting ontology
(1) at least provided with an oil duct (13) in, inner casing casting ontology (1) upper end has been wholely set oil duct import (14), institute
The bottom righthand side for stating inner casing casting ontology (1) has been wholely set oil passage outlet (15), is coated on the inner wall of the vaporium (11)
One layer of refractory layer (3)；The lower end of the inner casing casting ontology (1) has been wholely set a connecting flange (16), the connection method
Multiple first screw holes (161) are provided on blue (16)；The inner wall of the first through hole (12) is disposed with from bottom to up
One annular groove (121) and second annular groove (122), the first annular groove (121) is interior to be provided with the first sealing ring
(4), the second sealing ring (5) are provided in second annular groove (122).
2. a kind of supercritical turbine cartridge type high-pressure inner cylinder casting according to claim 1, it is characterised in that: in described
It has been wholely set one piece of first connection convex block (17) on the left side of cylinder casting ontology (1), has been set in first connection convex block (17)
It is equipped with multiple first connecting holes (171).
3. a kind of supercritical turbine cartridge type high-pressure inner cylinder casting according to claim 2, it is characterised in that: in described
It has been wholely set one piece of second connection convex block (18) on the right side of cylinder casting ontology (1), has been set in second connection convex block (18)
It is equipped with multiple second connecting holes (181).
4. a kind of supercritical turbine cartridge type high-pressure inner cylinder casting according to claim 3, it is characterised in that: described
One connection convex block (17) and the second connection convex block (18) are symmetrical arranged.
5. a kind of supercritical turbine cartridge type high-pressure inner cylinder casting according to claim 1, it is characterised in that: described resistance to
Thermosphere (3) be chrome layer, and refractory layer (3) with a thickness of 0.1-1.5mm.
6. a kind of supercritical turbine cartridge type high-pressure inner cylinder casting according to claim 1, it is characterised in that: the oil
External screw thread is provided on road import (14) and oil passage outlet (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820652810.9U CN208184795U (en) | 2018-05-03 | 2018-05-03 | Supercritical turbine cartridge type high-pressure inner cylinder casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820652810.9U CN208184795U (en) | 2018-05-03 | 2018-05-03 | Supercritical turbine cartridge type high-pressure inner cylinder casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208184795U true CN208184795U (en) | 2018-12-04 |
Family
ID=64432530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820652810.9U Active CN208184795U (en) | 2018-05-03 | 2018-05-03 | Supercritical turbine cartridge type high-pressure inner cylinder casting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208184795U (en) |
-
2018
- 2018-05-03 CN CN201820652810.9U patent/CN208184795U/en active Active
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