CN203375866U - Sliding support of condenser - Google Patents
Sliding support of condenser Download PDFInfo
- Publication number
- CN203375866U CN203375866U CN201320301717.0U CN201320301717U CN203375866U CN 203375866 U CN203375866 U CN 203375866U CN 201320301717 U CN201320301717 U CN 201320301717U CN 203375866 U CN203375866 U CN 203375866U
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- Prior art keywords
- condenser
- radian
- sliding surface
- sliding
- sliding support
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Abstract
The utility model relates to a support in a rear water chamber of a power station condenser, in particular to a sliding support of the condenser. The sliding support of the condenser comprises a base (3), and the lower portion of the base (3) is supported by a reinforcing plate (2). A supporting leg (1) is arranged on the upper portion of the base (3), and the supporting leg (1) is formed by three steel plates in an integrated vertical welding mode. A radian face with a radian is arranged on the top of the supporting leg in a cutting mode, the radian face is provided with a sliding surface (4), and the radian of the sliding surface (4) is the same as the radian of the radian face. The radian of the sliding surface (4) is the same as the radian of the curved surface of an outer shell of a rear water chamber (5), the sliding surface (4) is attached to the outer shell of the rear water chamber (5) and is used for supporting the weight of the rear water chamber (5) and absorbing the axial thermal expansion of the rear water chamber (5), the friction coefficient of the outer shell of the rear water chamber (5) and the sliding surface (4) is made to be small, and the self-lubricating property is good.
Description
Technical field
The utility model relates to the bearing in the rear hydroecium of condenser of power station, in particular to the sliding support of condenser.
Background technology
Condenser is carried out the task of low-temperature receiver in steam-turbine plant, the steam discharge that is about to condensing turbine condenses into water, and take away the steam condensation liberated heat, set up and maintain turbine discharge interruption-forming vacuum, making the steam expansion that enters steam turbine to alap favourable pressure, increasing the usable enthalpy drop of steam, and condensate water is sent to boiler again, feedwater as boiler, recycle, thereby improve the heat-economy of whole device.
At present, in China, using more is top admission formula condenser, and top admission formula condenser is arranged in the below of steam turbine, the downward steam discharge of steam turbine, and steam turbine is connected by the flexible duct saved with waveform with condenser.And side exhaust turbine and condenser are arranged in same flooring, steam turbine is to the side steam discharge, and condenser is by the side admission, and steam turbine and condenser are rigidly connected by the pipeline of a level.
Because side exhaust turbine efficiency is high, it is simple to arrange, designing and developing abroad achieved success, and widely applies, and recent year also starts this type of steam turbine of a large amount of imports.Due to the special construction of side exhaust turbine, require only by the rigid conduit of a level, to be connected with condenser, the impact that this just needs the thermal expansion force of solution condenser to bring, and can not pass to steam turbine to the thermal expansion force of condenser.
The Chinese utility model patent that for example publication number is CN2481972Y, it discloses a kind of composite material plate sliding support of condenser for power station, it adopts steel structure support seat to be embedded in basis, lower supporting plate is welded on upper bracket, again the composite of casting is placed in mounting box, this mounting box is fixed on the lower supporting plate face, the compound layer of the stainless steel of upper backup pad is supported on the composite panel face, thereby realize composite panel-stainless steel sliding friction pair, with existing steel-steel sliding support, compare, it is little that it has a coefficient of friction, self-lubricating property is good, the advantage that corrosion resistance is good, but the structure of this bearing is comparatively complicated, and between plate and plate, be all plane contact, lifting surface area is larger, be unfavorable for the slip of composite plate.
The utility model content
The technological deficiency existed in order to solve prior art, the object of the present invention is to provide a kind of sliding support of condenser, sliding surface in the sliding support of this condenser is selected polytetrafluoroethylmaterial material, with existing steel-steel sliding support, compare, the housing of rear hydroecium and the coefficient of friction of sliding surface are less; Corrosion resistance is good; There is self-lubricating property; Not there will be the not smooth phenomenon of expansion in the condenser running; Under wet environment its service life longer, and the structure of this bearing is comparatively simple, is convenient to condenser levelling is installed; Sliding surface selects polytetrafluoroethylmaterial material to make this sliding support support the weight of hydroecium afterwards, can absorb the axial expansion power of rear hydroecium, and the thermal expansion force of condenser can not pass to steam turbine like this.
It comprises base a kind of sliding support of condenser, and its underpart has stiffener to support; The top of base is provided with supporting leg, and the top of described supporting leg is provided with sliding surface.
Preferably, described supporting leg is comprised of three block plate vertical weldings.
In above-mentioned arbitrary scheme, preferably, the top of described supporting leg cuts into the radian face with radian.
In above-mentioned arbitrary scheme, preferably, described sliding surface is the curved surface with radian.
In above-mentioned arbitrary scheme, preferably, the radian face of described supporting leg and sliding surface are fitted.
In above-mentioned arbitrary scheme, preferably, the radian of the radian face of described supporting leg is identical with the radian of sliding surface.
In above-mentioned arbitrary scheme, preferably, the top of described sliding surface is provided with rear hydroecium.
In above-mentioned arbitrary scheme, preferably, described rear hydroecium comprises housing, and the inside of housing is provided with a plurality of stay tubes; The end of housing is provided with import and export.
In above-mentioned arbitrary scheme, preferably, the radian of described sliding surface is identical with the radian of the shell curved surface of rear hydroecium.
In above-mentioned arbitrary scheme, preferably, described sliding surface is selected polytetrafluoroethylmaterial material.
Polytetrafluoroethylene (PTFE) has, and high temperature resistant-long-term serviceability temperature is 200～260 degree, low temperature resistant-still soft when-100 spend; Corrosion-resistant-ability chloroazotic acid and all organic solvents; The aging life-span of the best in weatherability-plastics; The high coefficient of friction (0.04) with minimum in plastics; Viscosity-have minimum surface tension and do not adhere to any material in solid material not; Nonhazardous-have physiology inertia; Excellent electric property is desirable C class F insulating material F.
In above-mentioned arbitrary scheme, preferably, the vertical center line of the symmetrical center line of described sliding surface and the housing of rear hydroecium is 50 degree angles.When the vertical center line of the symmetrical center line of sliding surface and the housing of rear hydroecium is 50 degree angle, rear hydroecium is under the support of sliding support, condenser can rotate swimmingly, and this angle can strengthen accordingly or reduce according to the diameter of the housing of rear hydroecium, the height of supporting leg certainly.
In above-mentioned arbitrary scheme, preferably, the housing of described rear hydroecium and the contact position of sliding surface are provided with expansion joint.This expansion joint can absorb the axial expansion power of rear hydroecium, and the thermal expansion force of condenser can not pass to steam turbine like this.
Sliding support of the present utility model is realized according to mode once: adopt steel structure base, the bottom of base is equipped with the parts on stiffener base for supporting top, supporting leg is welded or is threaded and be fixed on base, described supporting leg by three block plate vertical weldings together, and its top cuts into the radian face with radian, again sliding surface is fixed on to the top of supporting leg, the radian face laminating at this sliding surface and supporting leg top, then the shell of sliding surface and rear hydroecium is fit together, rear hydroecium is supported by this sliding support, because the material of this sliding surface is polytetrafluoroethylene (PTFE), therefore rear hydroecium can rotate swimmingly on sliding support.
In sum, the sliding surface in the sliding support of condenser of the present utility model is selected polytetrafluoroethylmaterial material, with existing steel-steel sliding support, compares, and the housing of rear hydroecium and the coefficient of friction of sliding surface are less; Corrosion resistance is good; There is self-lubricating property; Not there will be the not smooth phenomenon of expansion in the condenser running; Under wet environment its service life longer, and the structure of this bearing is comparatively simple, is convenient to condenser levelling is installed.
The accompanying drawing explanation
Fig. 1 is the structural representation according to a preferred embodiment of the sliding support of condenser of the present utility model.
Fig. 2 is according to preferred embodiment side view shown in Fig. 1 of the sliding support of condenser of the present utility model.
Fig. 3 is the structural representation according to rear hydroecium in preferred embodiment shown in Fig. 1 of the sliding support of condenser of the present utility model.
Attached number in the figure:
Supporting leg 1, stiffener 2, base 3, sliding surface 4, rear hydroecium 5, stay tube 6, import and export 7.
The specific embodiment
The following description is only exemplary and be not in order to limit the disclosure, application or purposes in essence.The specific embodiment below in conjunction with Figure of description to the sliding support of the utility model condenser is further described.
Consult shown in Fig. 1, it comprises base 3 sliding support of condenser of the present utility model, and its underpart has stiffener 2 to support; The top of base 3 is provided with supporting leg 1, and the top of described supporting leg 1 is provided with sliding surface 4.
As shown in Figure 2, stiffener 2 is symmetrical arranged two, and wherein supporting leg 1 is comprised of three block plate vertical weldings, and the top of supporting leg 1 cuts into the radian face with radian.
As shown in Figure 3, the top of sliding surface 4 is provided with rear hydroecium 5.Described rear hydroecium 5 comprises housing, and the inside of housing is provided with a plurality of stay tubes 6; The end of housing is provided with imports and exports 7.
The radian of sliding surface 4 is identical with the radian of the shell curved surface of rear hydroecium 5.
Polytetrafluoroethylene (PTFE) has, and high temperature resistant-long-term serviceability temperature is 200～260 degree, low temperature resistant-still soft when-100 spend; Corrosion-resistant-ability chloroazotic acid and all organic solvents; The aging life-span of the best in weatherability-plastics; The high coefficient of friction (0.04) with minimum in plastics; Viscosity-have minimum surface tension and do not adhere to any material in solid material not; Nonhazardous-have physiology inertia; Excellent electric property is desirable C class F insulating material F.
The vertical center line of the housing of the symmetrical center line of sliding surface 4 and rear hydroecium 5 is 50 degree angles.When the vertical center line of the housing of the symmetrical center line of sliding surface 4 and rear hydroecium 5 is 50 degree angle, rear hydroecium 5 condenser under the support of sliding support can rotate swimmingly, and this angle can strengthen accordingly or reduce according to the diameter of the housing of rear hydroecium 5, the height of supporting leg 1 certainly.
The contact position of the housing of rear hydroecium 5 and sliding surface 4 is provided with expansion joint.This expansion joint can absorb the axial expansion power of rear hydroecium 5, and the thermal expansion force of condenser can not pass to steam turbine like this.
Sliding support of the present utility model is realized according to mode once: adopt steel structure base 3, the bottom of base 3 is equipped with the parts on stiffener 2 base for supporting 3 tops, supporting leg 1 is welded or is threaded and be fixed on base 3, described supporting leg 1 by three block plate vertical weldings together, and its top cuts into the radian face with radian, again sliding surface 4 is fixed on to the top of supporting leg 1, this sliding surface 4 is fitted with the radian face at supporting leg 1 top, then sliding surface 4 and the shell of rear hydroecium 5 are fit together, rear hydroecium 5 is supported by this sliding support, because the material of this sliding surface 4 is polytetrafluoroethylene (PTFE), therefore rear hydroecium 5 can rotate swimmingly on sliding support.
In sum, the sliding surface 4 in the sliding support of condenser of the present utility model is selected polytetrafluoroethylmaterial material, with existing steel-steel sliding support, compares, and the coefficient of friction of the housing of rear hydroecium 5 and sliding surface 4 is less; Corrosion resistance is good; There is self-lubricating property; Not there will be the not smooth phenomenon of expansion in the condenser running; Under wet environment its service life longer, and the structure of this bearing is comparatively simple, is convenient to condenser levelling is installed.
The sliding support that it will be apparent to those skilled in the art that condenser of the present utility model comprises any combination of each several part in this specification.As space is limited and in order to make specification simple and clear, at this, these combinations are not introduced one by one in detail, but, after having seen this specification, the scope of the present utility model that any combination of the each several part consisted of this specification forms is self-evident.
Claims (12)
1. the sliding support of a condenser, comprise base (3), and the bottom of this base (3) has stiffener (2) to support; The top of base (3) is provided with supporting leg (1), it is characterized in that: the top of supporting leg (1) is provided with sliding surface (4).
2. the sliding support of condenser as claimed in claim 1, it is characterized in that: described supporting leg (1) is comprised of three block plate vertical weldings.
3. the sliding support of condenser as claimed in claim 1, it is characterized in that: the top of described supporting leg (1) cuts into the radian face with radian.
4. the sliding support of condenser as claimed in claim 1 is characterized in that: described sliding surface (4) is the curved surface with radian.
5. the sliding support of condenser as claimed in claim 3, is characterized in that: the radian face of described supporting leg (1) and sliding surface (4) laminating.
6. the sliding support of condenser as claimed in claim 3, it is characterized in that: the radian of the radian face of described supporting leg (1) is identical with the radian of sliding surface (4).
7. the sliding support of condenser as claimed in claim 1, it is characterized in that: the top of described sliding surface (4) is provided with rear hydroecium (5).
8. the sliding support of condenser as claimed in claim 7, it is characterized in that: described rear hydroecium (5) comprises housing, the inside of housing is provided with a plurality of stay tubes (6); The end of housing is provided with import and export (7).
9. the sliding support of condenser as claimed in claim 4, it is characterized in that: the radian of described sliding surface (4) is identical with the radian of the shell curved surface of rear hydroecium (5).
10. as the sliding support of claim 1 or 4 described condenser, it is characterized in that: described sliding surface (4) is selected polytetrafluoroethylmaterial material.
11. the sliding support as claim 1 or 4 described condenser is characterized in that: the vertical center line of the housing of the symmetrical center line of described sliding surface (4) and rear hydroecium (5) is 50 degree angles.
12. the sliding support of condenser as claimed in claim 8 is characterized in that: the contact position of the housing of described rear hydroecium (5) and sliding surface (4) is provided with expansion joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320301717.0U CN203375866U (en) | 2013-05-29 | 2013-05-29 | Sliding support of condenser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320301717.0U CN203375866U (en) | 2013-05-29 | 2013-05-29 | Sliding support of condenser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203375866U true CN203375866U (en) | 2014-01-01 |
Family
ID=49838391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320301717.0U Expired - Fee Related CN203375866U (en) | 2013-05-29 | 2013-05-29 | Sliding support of condenser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203375866U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105110183A (en) * | 2015-09-01 | 2015-12-02 | 山东电力建设第一工程公司 | Special tool for assembling condenser water chambers and method thereof |
| CN110207504A (en) * | 2019-06-27 | 2019-09-06 | 上海电气电站设备有限公司 | A kind of design structure of axis row rigid connection condenser |
-
2013
- 2013-05-29 CN CN201320301717.0U patent/CN203375866U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105110183A (en) * | 2015-09-01 | 2015-12-02 | 山东电力建设第一工程公司 | Special tool for assembling condenser water chambers and method thereof |
| CN110207504A (en) * | 2019-06-27 | 2019-09-06 | 上海电气电站设备有限公司 | A kind of design structure of axis row rigid connection condenser |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140101 Termination date: 20160529 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |