CN208546197U - Elastic compensator and Steam Turbine - Google Patents
Elastic compensator and Steam Turbine Download PDFInfo
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- CN208546197U CN208546197U CN201821277868.6U CN201821277868U CN208546197U CN 208546197 U CN208546197 U CN 208546197U CN 201821277868 U CN201821277868 U CN 201821277868U CN 208546197 U CN208546197 U CN 208546197U
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- expansion joint
- connector
- flange
- steam turbine
- elastic compensator
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Abstract
The utility model relates to elastic compensator equipment technical field more particularly to a kind of elastic compensator and Steam Turbines.Elastic compensator includes expansion joint, conducting element and connector；Expansion joint is cricoid hardware, and the cross-sectional shape of expansion joint is U-shaped of the opening back to ring heart；Connector is annular plate-like structural member, and the side side wall of expansion joint and the exhaust casing of steam turbine are tightly connected, and other side side wall and connector are tightly connected；Conducting element is tubular structure, and conducting element is set in the sealed connection of the inner annular edge in the inner ring of connector and with connector, one end of conducting element and the air chamber of condenser are tightly connected, the other end is extend into the ring of expansion joint, and the steam of the exhaust casing discharge of steam turbine can enter the air chamber of condenser via expansion joint.Steam Turbine includes above-mentioned elastic compensator.Elastic compensator provided by the utility model and Steam Turbine, stability is high, and amount of deflection is small, and absorbable thermal expansion amount is larger, and the influence to steam stream is smaller.
Description
Technical field
The utility model relates to elastic compensator equipment technical field more particularly to a kind of elastic compensators and steam turbine
Group.
Background technique
Elastic compensator in Steam Turbine is for compensating because between thermal expansion bring Steam Turbine and condenser
The device of relative displacement variation, elastic compensator have very important effect in Steam Turbine, and performance directly affects
The safe operation of Steam Turbine.
Metallic elastic compensator is hardly damaged, and durability is preferable, controls cost, but existing metallic elastic compensator
It is all more wave metallic elastic compensators, these more wave metallic elastic compensators are because stability is poor, and amount of deflection is big, absorbable thermal expansion
Measure it is small, it is therefore in actual use, ineffective.
To sum up, how to overcome the drawbacks described above of existing elastic compensator is those skilled in the art's technology urgently to be resolved
Problem.
Utility model content
The purpose of this utility model is to provide a kind of elastic compensator and Steam Turbines, to alleviate bullet in the prior art
Qualitative difference existing for property compensator, amount of deflection is big, the small technical problem of absorbable thermal expansion amount.
Elastic compensator provided by the utility model, including expansion joint, conducting element and connector.
Wherein, the expansion joint be cricoid hardware, and the cross-sectional shape of the expansion joint be opening back to
The U-shaped of ring heart；The connector is annular plate-like structural member, and the side side wall of the expansion joint and the exhaust casing of steam turbine seal
Connection, other side side wall and the connector are tightly connected.
The conducting element be tubular structure, and the conducting element be set in the inner ring of the connector and with the connection
The inner annular edge of part is tightly connected, and one end of the conducting element and the air chamber of condenser are tightly connected, and the other end extend into institute
It states in the ring of expansion joint, the steam of the exhaust casing discharge of steam turbine can enter the air chamber of condenser via the expansion joint.
Preferably, as an embodiment, the elastic compensator further includes first flange and second flange, described
Expansion joint is tightly connected by the exhaust casing of the first flange and steam turbine, and the conducting element is by the second flange and coagulates
The air chamber of vapour device is tightly connected.
Preferably, as an embodiment, the expansion joint respectively can with the first flange and the connector
Dismantling connection.
Preferably, as an embodiment, the elastic compensator further includes first annular fixing piece and the second ring
Shape fixing piece, the first annular fixing piece are used to the side side wall pressing of the expansion joint being fixed on the first flange
On, second annular fixing member is used to the other side side wall pressing of the expansion joint being fixed on the connector.
Preferably, as an embodiment, the elastic compensator further includes multiple bolts, and the two of the expansion joint
Multiple first through hole are offered on the side wall of side, are offered on the first annular fixing piece and second annular fixing member
Threaded hole, multiple first through hole, Duo Gesuo are offered on multiple second through-holes, the first flange and the connector
It states the second through-hole and multiple threaded holes to correspond with the bolt, multiple bolts are each passed through corresponding described
Cooperate after second through-hole and the corresponding first through hole with the corresponding threaded hole.
Preferably, as an embodiment, annular sidewall of multiple bolts along the expansion joint two sides is uniform
Distribution setting.
Preferably, as an embodiment, the elastic compensator further includes the outer casing of arcuation, the outer casing
Side curved edge be fixedly connected with the outer edge of the connector, other side curved edge is vacantly arranged, and the outer shield
Plate can cover the upper half of the expansion joint.
Preferably, as an embodiment, the expansion joint is stainless steel structure part.
Preferably, as an embodiment, the elastic compensator further includes exhaust pipe, the both ends of the exhaust pipe
It is respectively arranged with third flange and the 4th flange, the third flange is connect with the second flange, and the 4th flange is used for
With the flanged joint on the air chamber of condenser.
Correspondingly, the utility model additionally provides a kind of Steam Turbine, including above-mentioned elastic compensator, it further include steam turbine
And condenser.
The side side wall of the exhaust casing of the steam turbine and the expansion joint is tightly connected, the conducting element and the condensing
The air chamber of device is tightly connected.
Compared with the prior art, the advantages of the utility model are:
Elastic compensator provided by the utility model is mainly made of expansion joint, conducting element and connector.
It analyzes known to the specific connection type and positional relationship of above structure: setting ring structure for expansion joint, and will
The cross-sectional shape of expansion joint is set as the U-shaped structure being open back to ring heart, and manufactures expansion joint using metal material, to be formed
Unicast metallic elastic compensator reduces amount of deflection to improve the stability of more wave metallic elastic compensators, and it is swollen to increase absorbable heat
Bulk is small, and using effect is more preferably.The steam of the exhaust casing discharge of steam turbine can be introduced into the cylindrical space that expansion joint surrounds, and
Flow to the air chamber of condenser along conducting element, whole closed, the case where being substantially not in gas leakage, wherein by with expansion joint
The connector of side side wall connection is set as annular plate-like structural member, is suitable for the shape of expansion joint and connector is avoided to interfere to steam
Flowing of the vapour in compensator.
It will be apparent that elastic compensator provided by the utility model belongs to unicast metallic elastic compensator, stability is high, amount of deflection
Small, absorbable thermal expansion amount is larger；And elastic compensator smart structural design provided by the utility model, steam flow institute
The structure whole process of process seals, and using conducting element is smoothly imported steam stream in the air chamber of condenser, reduces elastic benefit
Device is repaid to the obstruction of steam stream.
The utility model additionally provides a kind of Steam Turbine comprising has above-mentioned elastic compensator, steam turbine and condenser.
Obviously, Steam Turbine provided by the utility model has above-mentioned elastic compensating because including above-mentioned elastic compensator
All advantages of device, stability is high, and amount of deflection is small, and absorbable thermal expansion amount is larger, and the influence to steam stream is smaller.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the staple food structure schematic diagram of elastic compensator provided by the embodiment of the utility model；
Fig. 2 is the schematic cross-sectional view of the elastic compensator provided by the embodiment of the utility model not comprising exhaust pipe.
Icon: 1- expansion joint；2- conducting element；3- connector；4- first flange；5- second flange；The first ring of 6-
Shape fixing piece；The second annular fixing member of 7-；8- bolt；9- outer casing；10- exhaust pipe；11- third flange；12- the 4th
Flange.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
In the description of the present invention, it should be noted that the orientation or positional relationship of the instructions such as term "inner", "outside"
To be based on the orientation or positional relationship shown in the drawings, it is merely for convenience of describing the present invention and simplifying the description, without referring to
Show or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot manage
Solution is limitations of the present invention.In addition, term " first ", " second ", " third ", " the 4th " are used for description purposes only, and
It cannot be understood as indicating or implying relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " connection "
It shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The connection in portion.For the ordinary skill in the art, above-mentioned term can be understood in the present invention with concrete condition
Concrete meaning.
The utility model is further described in detail below through specific implementation examples and in conjunction with the accompanying drawings.
Embodiment one
Referring to Fig. 1 and Fig. 2, the present embodiment one provides a kind of elastic compensator, including expansion joint 1, conducting element 2 and connection
Part 3.
Wherein, the expansion joint 1 is cricoid hardware, and the cross-sectional shape of the expansion joint 1 is opening back
To the U-shaped of ring heart；The connector 3 is annular plate-like structural member, the side side wall of the expansion joint 1 and the exhaust casing of steam turbine
It is tightly connected, other side side wall and the connector 3 are tightly connected.
The conducting element 2 be tubular structure, and the conducting element 2 be set in the inner ring of the connector 3 and with it is described
The inner annular edge of connector 3 is tightly connected, and one end of the conducting element 2 and the air chamber of condenser are tightly connected, and the other end is stretched
Enter into the ring of the expansion joint 1, the steam of the exhaust casing of steam turbine discharge can enter via the expansion joint 1 condenser into
Steam chest.
It analyzes known to the specific connection type and positional relationship of above structure: setting ring structure for expansion joint 1, and will
The cross-sectional shape of expansion joint 1 is set as the U-shaped structure being open back to ring heart, and manufactures expansion joint 1 using metal material, with shape
Reduce amount of deflection to improve the stability of more wave metallic elastic compensators at unicast metallic elastic compensator, increase absorbable heat
Swell increment is small, and using effect is more preferably.The steam of the exhaust casing discharge of steam turbine can be introduced into the cylindrical space that expansion joint 1 surrounds
In, and the air chamber of condenser is flowed to along conducting element 2, whole closed, the case where being substantially not in gas leakage, wherein will be with benefit
The connector 3 for repaying the side side wall connection of section 1 is set as annular plate-like structural member, is suitable for the shape of expansion joint 1 and the company of avoiding
Fitting 3 interferes flowing of the steam in compensator.
It will be apparent that the elastic compensator that the present embodiment one provides belongs to unicast metallic elastic compensator, stability is high, amount of deflection
Small, absorbable thermal expansion amount is larger；And the elastic compensator smart structural design that the present embodiment one provides, steam flow institute
The structure whole process of process seals, and using conducting element 2 is smoothly imported steam stream in the air chamber of condenser, reduces elastic benefit
Device is repaid to the obstruction of steam stream.
Embodiment two
Referring to Fig. 1 and Fig. 2, the present embodiment two provides a kind of elastic compensator, while also using above-described embodiment one
In elastic compensator technical pattern relationship；Such as: the present embodiment two provides a kind of elastic compensator, including expansion joint 1,
Conducting element 2 and connector 3；Wherein, the expansion joint 1 is cricoid hardware, and the cross-sectional shape of the expansion joint 1
For the U-shaped back to ring heart that is open；The connector 3 is annular plate-like structural member, the side side wall and steam turbine of the expansion joint 1
Exhaust casing be tightly connected, other side side wall and the connector 3 are tightly connected；The conducting element 2 is tubular structure, and described
Conducting element 2 is set in the inner ring of the connector 3 and is tightly connected with the inner annular edge of the connector 3, the conducting element 2
One end and the air chamber of condenser be tightly connected, the other end extend into the ring of the expansion joint 1, the exhaust casing row of steam turbine
Steam out can enter the air chamber of condenser via the expansion joint 1.
The elastic compensator that the present embodiment two provides is identical as the primary structure of elastic compensator in embodiment one；
But the elastic compensator that the present embodiment two provides has further related to specific structure design；Such as: increase some technical characteristics.
The specific structure and technical effect of technical solution in relation to the present embodiment two are as follows:
Preferably, expansion joint 1 is tightly connected by the exhaust casing of first flange 4 and steam turbine, and conducting element 2 is passed through
The air chamber of second flange 5 and condenser is tightly connected, consequently facilitating when elastic compensator needs replacing, by elastic compensator
It is separated away between steam turbine and condenser.
Further, the probability damaged in use by expansion joint 1 is maximum, therefore can be by expansion joint 1 respectively with first
Flange 4 is connected by the way of being detachably connected with connector 3, in order to when expansion joint 1 needs replacing, individually more by it
It changes, so that other structures can be used again, reduces maintenance cost.
It is additionally provided with first annular fixing piece 6 and the second annular fixing member 7 in the specific structure of elastic compensator, utilizes
The side side wall pressing of expansion joint 1 is fixed in first flange 4 by first annular fixing piece 6, and utilizes the second annular fixing member 7
The other side side wall pressing of expansion joint 1 is fixed on connector 3, to reinforce the company of compensating part Yu first flange 4 and connector 3
Connect the structural strength at place.
Specifically, multiple first through hole can be opened up on the two sides side wall of expansion joint 1, in first annular 6 He of fixing piece
Multiple second through-holes are opened up on second annular fixing member 7, threaded hole is opened up in first flange 4 and connector 3, are arranged more
A bolt 8, and multiple bolts 8 are corresponded with multiple first through hole, multiple second through-holes and multiple threaded holes respectively, so that
Multiple bolts 8 can be each passed through after corresponding second through-hole and corresponding first through hole and cooperate with corresponding threaded hole, thus
Expansion joint 1 is fixed between first flange 4 and connector 3 using bolt 8, has both met the knot that expansion joint 1 can be dismantled individually
Structure requirement, in turn ensures the connective stability between expansion joint 1 and first flange 4 and connector 3.
Further, can the annular sidewall by multiple bolts 8 along 1 two sides of expansion joint be uniformly distributed setting, with strengthening stud 8
To the fixed function of expansion joint 1.
Preferably, the outer casing 9 of arcuation can be set in elastic compensator, by the side curved edge of outer casing 9 and company
The outer edge of fitting 3 is fixedly connected with Ei, and other side curved edge is vacantly arranged, and outer casing 9 is enabled to cover expansion joint 1
The upper half, so that external contaminants is blocked using outer casing 9, to reduce the probability that pollutant is attached on expansion joint 1.
Particularly, expansion joint 1 can be manufactured using stainless steel material, to reinforce the intensity of expansion joint 1, increases expansion joint 1
Absorbable thermal expansion amount, prolongs the service life.
As an embodiment, row can be set in elastic compensator when the space layout of Steam Turbine needs
Third flange 11 and the 4th flange 12 is respectively set in the both ends of exhaust pipe 10 by tracheae 10, and by third flange 11 and the second method
Orchid 5 connects, by the 4th flange 12 and the flanged joint on the air chamber of condenser.
Embodiment three
Correspondingly, the present embodiment three provides a kind of Steam Turbine referring to Fig. 1 comprising involved in above-described embodiment two
Elastic compensator (specific structure of the elastic compensator no longer repeats one by one), also simultaneously including steam turbine and condenser；Institute
The side side wall of the exhaust casing and the expansion joint 1 of stating steam turbine is tightly connected, the conducting element 2 and the condenser into vapour
Room is tightly connected.
Obviously, the Steam Turbine that the present embodiment three provides has because including the elastic compensator in above-described embodiment two
All advantages of above-mentioned elastic compensator, high stability, amount of deflection is smaller, and absorbable thermal expansion amount is larger, and using effect is more
It is good, and the influence to steam stream is smaller.
In conclusion the utility model embodiment discloses a kind of elastic compensator and Steam Turbine, which overcome tradition
Elastic compensator many technological deficiencies.Elastic compensator provided by the embodiment of the utility model and Steam Turbine, stability
Higher, amount of deflection is smaller, and absorbable thermal expansion amount is larger, and more preferably, and the influence to steam stream is smaller for using effect.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
In addition, it will be appreciated by those of skill in the art that although some embodiments described herein include other embodiments
In included certain features rather than other feature, but the combination of the feature of different embodiments mean it is practical new in this
Within the scope of type and form different embodiments.For example, in claims above, embodiment claimed
It is one of any can in any combination mode come using.The information disclosed in the background technology section is intended only to deepen
Understanding to the general background technology of the utility model, and be not construed as recognizing or implying in any form that the information is constituted
The prior art known to those skilled in the art.In addition, it will be appreciated by those of skill in the art that although described herein
Some embodiments include certain features included in other embodiments rather than other feature, but the spy of different embodiments
The combination of sign means within the scope of the utility model and forms different embodiments.For example, in right above
In claim, embodiment claimed it is one of any can in any combination mode come using.It is disclosed in the back
The information of scape technology segment is merely intended to deepen the understanding to the general background technology of the utility model, and is not construed as holding
Recognize or implies that the information constitutes the prior art known to those skilled in the art in any form.
Claims (10)
1. a kind of elastic compensator, which is characterized in that including expansion joint, conducting element and connector；
Wherein, the expansion joint is cricoid hardware, and the cross-sectional shape of the expansion joint is to be open back to ring heart
U-shaped；The connector is annular plate-like structural member, and the side side wall of the expansion joint and the exhaust casing of steam turbine seal and connect
It connects, other side side wall and the connector are tightly connected；
The conducting element be tubular structure, and the conducting element be set in the inner ring of the connector and with the connector
Inner annular edge is tightly connected, and one end of the conducting element and the air chamber of condenser are tightly connected, and the other end extend into the benefit
It repays in the ring of section, the steam of the exhaust casing discharge of steam turbine can enter the air chamber of condenser via the expansion joint.
2. elastic compensator according to claim 1, which is characterized in that it further include first flange and second flange, it is described
Expansion joint is tightly connected by the exhaust casing of the first flange and steam turbine, and the conducting element is by the second flange and coagulates
The air chamber of vapour device is tightly connected.
3. elastic compensator according to claim 2, which is characterized in that the expansion joint respectively with the first flange and
The connector is detachably connected.
4. elastic compensator according to claim 3, which is characterized in that further include first annular fixing piece and the second annular
Fixing piece, the first annular fixing piece are used to the side side wall pressing of the expansion joint being fixed on the first flange,
Second annular fixing member is used to the other side side wall pressing of the expansion joint being fixed on the connector.
5. elastic compensator according to claim 4, which is characterized in that it further include multiple bolts, the two of the expansion joint
Multiple first through hole are offered on the side wall of side, are offered on the first annular fixing piece and second annular fixing member
Threaded hole, multiple first through hole, Duo Gesuo are offered on multiple second through-holes, the first flange and the connector
It states the second through-hole and multiple threaded holes to correspond with the bolt, multiple bolts are each passed through corresponding described
Cooperate after second through-hole and the corresponding first through hole with the corresponding threaded hole.
6. elastic compensator according to claim 5, which is characterized in that multiple bolts are along the expansion joint two sides
Annular sidewall is uniformly distributed setting.
7. elastic compensator according to claim 1-6, which is characterized in that further include the outer casing of arcuation, institute
The side curved edge for stating outer casing is fixedly connected with the outer edge of the connector, and other side curved edge is vacantly arranged, and
The outer casing can cover the upper half of the expansion joint.
8. elastic compensator according to claim 1-6, which is characterized in that the expansion joint is stainless steel knot
Component.
9. according to the described in any item elastic compensators of claim 2-6, which is characterized in that it further include exhaust pipe, the exhaust
The both ends of pipe are respectively arranged with third flange and the 4th flange, and the third flange is connect with the second flange, and the described 4th
Flange is used for and the flanged joint on the air chamber of condenser.
10. a kind of Steam Turbine, which is characterized in that including such as described in any item elastic compensators of claim 1-9, also wrap
Include steam turbine and condenser；
The side side wall of the exhaust casing of the steam turbine and the expansion joint is tightly connected, the conducting element and the condenser
Air chamber is tightly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821277868.6U CN208546197U (en) | 2018-08-08 | 2018-08-08 | Elastic compensator and Steam Turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821277868.6U CN208546197U (en) | 2018-08-08 | 2018-08-08 | Elastic compensator and Steam Turbine |
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| Publication Number | Publication Date |
|---|---|
| CN208546197U true CN208546197U (en) | 2019-02-26 |
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ID=65426105
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821277868.6U Active CN208546197U (en) | 2018-08-08 | 2018-08-08 | Elastic compensator and Steam Turbine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109779703A (en) * | 2019-03-29 | 2019-05-21 | 上海电气电站设备有限公司 | The axial exhaust exhaust casing and steam turbine of bearing block floor-type support |
-
2018
- 2018-08-08 CN CN201821277868.6U patent/CN208546197U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109779703A (en) * | 2019-03-29 | 2019-05-21 | 上海电气电站设备有限公司 | The axial exhaust exhaust casing and steam turbine of bearing block floor-type support |
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