CN208074289U - Steam turbine main inlet throttle-stop valve support of pipelines - Google Patents
Steam turbine main inlet throttle-stop valve support of pipelines Download PDFInfo
- Publication number
- CN208074289U CN208074289U CN201820508552.7U CN201820508552U CN208074289U CN 208074289 U CN208074289 U CN 208074289U CN 201820508552 U CN201820508552 U CN 201820508552U CN 208074289 U CN208074289 U CN 208074289U
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- China
- Prior art keywords
- steam turbine
- stop valve
- main inlet
- inlet throttle
- spring hanger
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Abstract
The utility model discloses a kind of steam turbine main inlet throttle-stop valve supports of pipelines.The steam turbine main inlet throttle-stop valve support of pipelines includes steam turbine mounting platform, the main inlet throttle-stop valve flange bracket for fixing steam turbine main inlet throttle-stop valve flange, the jet chimney holder and spring hanger for being used to support main steam line.Wherein, main inlet throttle-stop valve flange bracket is fixed on above steam turbine mounting platform, and jet chimney holder is lifted on by spring hanger below steam turbine mounting platform.The steam turbine main inlet throttle-stop valve support of pipelines of the utility model can reduce the tensile stress at steam turbine main inlet throttle-stop valve suffered by flange, prevent flange distortion and flange gasket leak, and installation transformation is simple and convenient, can direct-on-line transformation.
Description
Technical field
The utility model is related to steam turbine power generation technical field more particularly to a kind of steam turbine main inlet throttle-stop valve supports of pipelines.
Background technology
In High temperature and High pressure Steam Turbine group, the flange at main inlet throttle-stop valve is the relatively dead of expanded by heating in entire jet chimney
Point, even if jet chimney reasonable design, in place, the gravity and jet chimney of jet chimney, which thermally expand, to be become for various indemnifying measures
Shape still will produce action of pulling stress and alternation tensile stress then be will produce, when serious in load change, startup and shutdown of units in flange
Flange and flange gasket can be caused to deform leakage, endanger steam turbine generator production and equipment safety.
Therefore, how to reduce the tensile stress that flange is subject at steam turbine main inlet throttle-stop valve, flange distortion and flange gasket is avoided to let out
Leakage, becomes those skilled in the art's technical problem urgently to be resolved hurrily.
Utility model content
To solve above-mentioned the technical problems existing in the prior art, the utility model offer is a kind of to reduce steamer owner's vapour
The steam turbine main inlet throttle-stop valve support of pipelines of tensile stress at door suffered by flange.
The utility model discloses a kind of steam turbine main inlet throttle-stop valve supports of pipelines thus.The steam turbine main inlet throttle-stop valve support of pipelines packet
It includes steam turbine mounting platform, the main inlet throttle-stop valve flange bracket for fixing steam turbine main inlet throttle-stop valve flange, be used to support main steam line
Jet chimney holder and spring hanger.Wherein, it is flat to be fixed on the steam turbine installation for the main inlet throttle-stop valve flange bracket
Above platform；The jet chimney holder is lifted on by the spring hanger below the steam turbine mounting platform.
Further, in the steam turbine main inlet throttle-stop valve support of pipelines, the main inlet throttle-stop valve flange bracket is provided with through-hole, vapour
Turbine main steam line is connect across the through-hole with steam turbine main inlet throttle-stop valve air intake.
Further, in the steam turbine main inlet throttle-stop valve support of pipelines, main inlet throttle-stop valve flange bracket lower end is connected with solid
Determine footing, the main inlet throttle-stop valve flange bracket is removably mounted on by the fixed footing on the steam turbine mounting platform.
Further, in the steam turbine main inlet throttle-stop valve support of pipelines, the fixed footing passes through machinery expansion bolt
It is fixedly connected with the steam turbine mounting platform.
Further, in the steam turbine main inlet throttle-stop valve support of pipelines, the fixed footing at least two, the fixation
The relatively described main inlet throttle-stop valve flange bracket central axis of footing symmetrically is arranged.
Further, in the steam turbine main inlet throttle-stop valve support of pipelines, the height of the fixed footing is according to the steamer
Machine mounting platform between steam turbine main inlet throttle-stop valve at a distance from determine.
Further, in the steam turbine main inlet throttle-stop valve support of pipelines, the spring hanger include the next spring hanger and
Upper spring hanger, the jet chimney pedestal upper end are equipped with the next spring hanger, the steam turbine mounting platform and/
Or main inlet throttle-stop valve flange bracket lower end is equipped with institute corresponding with the bottom spring support on the jet chimney holder
State upper spring support.
Further, in the steam turbine main inlet throttle-stop valve support of pipelines, the upper spring hanger and the next spring
Hanger is connected by intermediate connector, and the intermediate connector is rigid connector.
Further, in the steam turbine main inlet throttle-stop valve support of pipelines, the bottom spring hanger and the upper spring
Hanger is two or more, and the relatively described jet chimney carriage center axis of the bottom spring hanger is symmetrically
Arrangement.
Further, in the steam turbine main inlet throttle-stop valve support of pipelines, the length of the intermediate connector is according to the vapour
Turbine mounting platform between the main inlet throttle-stop valve flange bracket at a distance from and the steam positioned at steam turbine mounting platform lower part
The length of pipeline determines.
Steam turbine main inlet throttle-stop valve lower flange is fixed using main inlet throttle-stop valve flange bracket, main steam line can be eliminated to steam turbine
The tensile stress of flange at main inlet throttle-stop valve；The jet chimney holder branch being lifted on by using spring hanger below steam turbine mounting platform
Steam turbine main steam line is supportted, tensile stress of the main steam line gravity to flange at steam turbine main inlet throttle-stop valve can be reduced.
Steam turbine main inlet throttle-stop valve support of pipelines provided by the utility model can reduce at steam turbine main inlet throttle-stop valve suffered by flange
Tensile stress prevents flange distortion and flange gasket leak, and installation transformation is simple and convenient, can direct-on-line transformation.
Description of the drawings
Attached drawing described herein is used for providing further understanding the utility model embodiment, constitutes the utility model
A part, the exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to this practicality
Novel improper restriction.In the accompanying drawings：
Fig. 1 is the front view for the steam turbine main inlet throttle-stop valve support of pipelines that the utility model one embodiment provides；
Fig. 2 is the vertical view of steam turbine main inlet throttle-stop valve support of pipelines shown in FIG. 1.
Specific implementation mode
It is specific below in conjunction with the utility model to keep the purpose of this utility model, technical solution and advantage clearer
Technical solutions of the utility model are clearly and completely described in embodiment and corresponding attached drawing.Obviously, described embodiment
Only it is a part of the embodiment of the utility model, instead of all the embodiments.Based on the embodiments of the present invention, this field
The every other embodiment that those of ordinary skill is obtained without making creative work, belongs to the utility model
The range of protection.
Below in conjunction with attached drawing, the technical solution that the utility model embodiment provides is described in detail.
Fig. 1 is the front view for the steam turbine main inlet throttle-stop valve support of pipelines that the utility model one embodiment provides.Such as Fig. 1 institutes
Show, the steam turbine main inlet throttle-stop valve support of pipelines of the embodiment includes steam turbine mounting platform 1, for fixing steam turbine main inlet throttle-stop valve flange
Main inlet throttle-stop valve flange bracket 2, be used to support the jet chimney holder 3 and spring hanger 4 of main steam line.Wherein, main inlet throttle-stop valve
Flange bracket 2 is fixed on 1 top of steam turbine mounting platform, and jet chimney holder 3 is lifted on steamer by spring hanger 4
1 lower section of machine mounting platform.Thus, it is possible to reduce tensile stress of the steam turbine main steam line to steam turbine air intake, and then reduce
Tensile stress suffered by steam turbine main inlet throttle-stop valve flange.
Specifically, it is connected with fixed footing 5 in the lower end of main inlet throttle-stop valve flange bracket 2, main inlet throttle-stop valve flange bracket 2 passes through fixation
Footing 5, which is removably secured, is supported on 1 top of steam turbine mounting platform, wherein main inlet throttle-stop valve flange bracket 2 can with fixed footing 5
To be fixedly connected by welding manner.
Fig. 2 is the vertical view of steam turbine main inlet throttle-stop valve support of pipelines shown in FIG. 1.As depicted in figs. 1 and 2, fixed footing 5
Upper end is connect with main inlet throttle-stop valve flange bracket 2, and 5 lower end of fixed footing is connect with steam turbine mounting platform 1, the height of fixed footing 5
According to steam turbine mounting platform 1 between steam turbine main inlet throttle-stop valve at a distance from determine.In order to make fixed footing 5 and steam turbine mounting platform
1 is connected firmly, and 5 lower end of fixed footing can be provided with mounting plate, and fixed footing 5 passes through mounting plate and steam turbine mounting platform
1 connection.Meanwhile the installation and removal of fixed footing 5 and steam turbine mounting platform 1 for convenience, the mounting plate of fixed footing 5 can
Connecting hole is arranged, fixed footing 5 can be mounted on bolt connecting mode on steam turbine mounting platform 1 by connecting hole, excellent
Selection of land, connection bolt can be machinery expansion bolt.
Further, in order to make the stress equalization of main inlet throttle-stop valve flange bracket 2, and then ensure the stationarity of equipment, fixed bottom
Foot 5 at least two, while the central axis of 5 opposite main inlet throttle-stop valve flange bracket 2 of fixed footing symmetrically is arranged, preferably
Ground, fixed footing 5 can be four, and four fixed footing 5 are arranged in uniform way with respect to the central axis of main inlet throttle-stop valve flange bracket 2
The surrounding of main inlet throttle-stop valve flange bracket 2.
As shown in Fig. 2, main inlet throttle-stop valve flange bracket 2 is provided with through-hole, so as to be arranged below steam turbine mounting platform 1 by
The main steam line that jet chimney holder 3 supports can by the through-hole of main inlet throttle-stop valve flange bracket 2 and steam turbine main inlet throttle-stop valve into
Steam ports connects.
As described above, steam turbine main steam line is by 3, the jet chimney holder mounted on 1 lower section of steam turbine mounting platform
Support, jet chimney holder 3 are lifted on 1 lower section of steam turbine mounting platform by spring hanger 4.As shown in Figure 1, spring hanger 4 can
To include the next spring hanger 401 and upper spring hanger 402,3 upper end of jet chimney holder is equipped with the next spring hanger
401, steam turbine mounting platform 1 and/or main inlet throttle-stop valve flange bracket 2 are equipped with and the next spring support on jet chimney holder 3
401 corresponding upper spring supports 402.Wherein, the next spring hanger 401 and upper spring hanger 402 pass through intermediate connector 6
Connection, intermediate connector 6 are preferably rigid connector, such as reinforcing bar.Thus, it is possible to ensure heated in steam turbine main steam line
When expansion, jet chimney holder 3 can realize that the position of jet chimney holder 3 is moved by the elastic element of spring hanger 4, change
Become the relative distance between jet chimney holder 3 and steam turbine mounting platform 1, and then compensates because main steam line expanded by heating causes
Main steam line length variation.Meanwhile being acted on by the elastic force of 4 elastic element of spring hanger, jet chimney holder 3 is right
Its main steam line supported has upward support force effect, can reduce main steam line gravity to steam turbine main inlet throttle-stop valve method
The tensile stress that orchid generates.
Further, in order to make the stress equalization of jet chimney holder 3, ensure the stability of equipment, the next spring hanger
401 and upper spring hanger 402 be two or more, in 401 relative steam support of pipelines 3 of the next spring hanger
Mandrel line symmetrically is arranged.Preferably, the next spring hanger 401 and upper spring hanger 402 are two, the next spring
Hanger 401 is mounted on the symmetrical both sides of central axis of relative steam support of pipelines 3 on jet chimney holder 3, and upper spring is hung
Frame 402 is mounted on the surface of the next spring hanger 401.
As described above, upper spring hanger 402 may be mounted at steam turbine mounting platform 1, main inlet throttle-stop valve can also be mounted on
Flange bracket 2, when upper spring hanger 402 is mounted on steam turbine mounting platform 1, the next spring hanger 401 and the upper bullet
The length of intermediate connector 6 between spring hanger 402 is determined according to the length of the main steam line of 1 lower part of steam turbine mounting platform；
When upper spring hanger 402 is mounted on main inlet throttle-stop valve flange bracket 2, between the next spring hanger 401 and the upper spring hanger 402
Intermediate connector 6 length according to steam turbine mounting platform 1 between main inlet throttle-stop valve flange bracket 2 at a distance from and steam turbine pacify
The length of the main steam line of 1 lower part of assembling platform determines.
The steam turbine main inlet throttle-stop valve support of pipelines of the utility model can reduce the tensile stress suffered by steam turbine main inlet throttle-stop valve flange,
Prevent flange distortion and flange gasket leak；Simultaneously can on-line implement transformation, without equipment downtime, easy for construction, and be transformed
It is low-cost, without especially safeguard.
It should be noted that herein, the relational terms of such as " first " and " second " or the like are used merely to one
A entity or operation with another entity or operate distinguish, without necessarily requiring or implying these entities or operation it
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to
Cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements includes not only those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or setting
Standby intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in the process, method, article or apparatus that includes the element.In addition, " preceding " herein,
" rear ", "left", "right", "upper", "lower" are using the placement status indicated in attached drawing as reference.
Finally it should be noted that：Above example is merely to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：
It still can be with technical scheme described in the above embodiments is modified, or is carried out to which part technical characteristic etc.
With replacement；And these modifications or replacements, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (10)
1. a kind of steam turbine main inlet throttle-stop valve support of pipelines, including steam turbine mounting platform, which is characterized in that further include for fixing vapour
The main inlet throttle-stop valve flange bracket of turbine main inlet throttle-stop valve flange, the jet chimney holder and spring hanger for being used to support main steam line,
Wherein：
The main inlet throttle-stop valve flange bracket is fixed on above the steam turbine mounting platform；
The jet chimney holder is lifted on by the spring hanger below the steam turbine mounting platform.
2. steam turbine main inlet throttle-stop valve support of pipelines according to claim 1, which is characterized in that the main inlet throttle-stop valve flange bracket is set
It is equipped with through-hole, steam turbine main steam line is connect across the through-hole with the air intake of steam turbine main inlet throttle-stop valve.
3. steam turbine main inlet throttle-stop valve support of pipelines according to claim 1, which is characterized in that under the main inlet throttle-stop valve flange bracket
End is connected with fixed footing, and the main inlet throttle-stop valve flange bracket is removably mounted on the steam turbine by the fixed footing pacifies
On assembling platform.
4. steam turbine main inlet throttle-stop valve support of pipelines according to claim 3, which is characterized in that the fixed footing passes through machinery
It is fixedly connected with expansion bolt with the steam turbine mounting platform.
5. steam turbine main inlet throttle-stop valve support of pipelines according to claim 4, which is characterized in that the fixed footing is at least two
A, the relatively described main inlet throttle-stop valve flange bracket central axis of the fixed footing symmetrically is arranged.
6. steam turbine main inlet throttle-stop valve support of pipelines according to any one of claim 3 to 5, which is characterized in that the fixation
The height of footing according to the steam turbine mounting platform between steam turbine main inlet throttle-stop valve at a distance from determine.
7. steam turbine main inlet throttle-stop valve support of pipelines according to claim 1, which is characterized in that the spring hanger includes bottom
Spring hanger and upper spring hanger, the jet chimney pedestal upper end are equipped with the next spring hanger, the steam turbine
Mounting platform and/or main inlet throttle-stop valve flange bracket lower end are equipped with the upper spring corresponding with the bottom spring support
Holder.
8. steam turbine main inlet throttle-stop valve support of pipelines according to claim 7, which is characterized in that the upper spring hanger and institute
It states the next spring hanger to connect by intermediate connector, the intermediate connector is rigid connector.
9. steam turbine main inlet throttle-stop valve support of pipelines according to claim 8, which is characterized in that the bottom spring hanger and institute
It is two or more to state upper spring hanger, the relatively described jet chimney carriage center axis of the bottom spring hanger
Symmetrically arrange.
10. steam turbine main inlet throttle-stop valve support of pipelines according to claim 8 or claim 9, which is characterized in that the intermediate connector
Length according to the steam turbine mounting platform between the main inlet throttle-stop valve flange bracket at a distance from and positioned at the steam turbine install
The length of the jet chimney of platform lower determines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820508552.7U CN208074289U (en) | 2018-04-11 | 2018-04-11 | Steam turbine main inlet throttle-stop valve support of pipelines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820508552.7U CN208074289U (en) | 2018-04-11 | 2018-04-11 | Steam turbine main inlet throttle-stop valve support of pipelines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208074289U true CN208074289U (en) | 2018-11-09 |
Family
ID=64040623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820508552.7U Expired - Fee Related CN208074289U (en) | 2018-04-11 | 2018-04-11 | Steam turbine main inlet throttle-stop valve support of pipelines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208074289U (en) |
-
2018
- 2018-04-11 CN CN201820508552.7U patent/CN208074289U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181109 Termination date: 20200411 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |