CN211650785U - Photo-thermal power station fused salt pipeline gallows - Google Patents
Photo-thermal power station fused salt pipeline gallows Download PDFInfo
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- CN211650785U CN211650785U CN202020047040.2U CN202020047040U CN211650785U CN 211650785 U CN211650785 U CN 211650785U CN 202020047040 U CN202020047040 U CN 202020047040U CN 211650785 U CN211650785 U CN 211650785U
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- pipeline connecting
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- type pipeline
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/47—Mountings or tracking
Abstract
The utility model relates to a light and heat power station fused salt pipeline gallows. The connection parts of the fused salt pipelines are fixedly connected through coaxial spool-shaped pipeline connecting pieces, grooves for installing the fused salt pipelines are formed in the end faces of the two ends of each spool-shaped pipeline connecting piece, the fused salt pipelines are inserted into the grooves, and the inner walls of the fused salt pipelines are level to the inner walls of the spool-shaped pipeline connecting pieces; the middle part of the bobbin type pipeline connecting piece is fixedly provided with a supporting and hanging structure, the supporting and hanging structure comprises two lantern rings matched with the side surface of the bobbin type pipeline connecting piece, the lantern rings are semicircular ring structures, the two lantern rings are welded together to form a circular ring sleeved on the outer wall of the bobbin type pipeline connecting piece, and the supporting and hanging structure further comprises section steel fixedly connected with the lantern rings and used for supporting and hanging. The utility model discloses have and replace traditional pipeline gallows, the problem in the background art can effectively be solved to the succinct and effective solution of structure, improves fused salt pipeline operation security, reduces the effect of overhauing the maintenance cost.
Description
Technical Field
The utility model relates to a light and heat power station fused salt pipeline gallows belongs to solar photothermal power technology field.
Background
The design form of a high-temperature molten salt pipeline support hanger structure is an important component in the design of a photothermal power station pipeline system, and the pipeline support hanger not only supports the weight of a molten salt pipeline and molten salt in the pipeline, but also coordinates and bears the thermal displacement and acting force during the operation of the pipeline, and limits the displacement of the high-temperature molten salt pipeline and absorbs the vibration of the pipeline.
When the fused salt pipeline is arranged and designed, the pipeline supporting and hanging bracket with a reasonable structure is adopted, the stress distribution of the pipeline and the acting force of the whole pipeline system can be obviously improved, the safe operation of the pipeline system is ensured, and the service life of the fused salt pipeline can be obviously prolonged.
The existing high-temperature pipeline support hanger structural style is difficult to meet the requirement of long-term safe and stable operation of the high-temperature molten salt pipeline of the photo-thermal power station. This is because: the most remarkable characteristics of the photothermal power station are that the working temperature of working medium molten salt is high, the power station must be started and stopped frequently, the molten salt pipeline is caused to undergo the processes of rapid temperature rise and temperature reduction every day, the temperature rise and fall is limited by strict time, and the temperature change gradient is large. The existing pipeline support and hanger structural form aims at the traditional coal-fired power plant design, the requirement of rapid temperature change of a fused salt pipeline of a photo-thermal power plant cannot be met, namely the requirements of high thermal stress and large thermal displacement of a high-temperature fused salt pipe cannot be met, and long-term stable and safe operation is difficult to carry out; and when using for a long time, current pipeline props up gallows pipe clamp and the very easy not hard up destruction of welding department, has brought very big potential safety hazard.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a light and heat power station fused salt pipeline gallows replaces traditional pipeline gallows, and the structure is succinct and can effectively solve the problem in the background art, improves fused salt pipeline operation security, reduces the effect of overhauing the maintenance cost.
In order to realize the purpose, the utility model discloses a technical scheme is:
a fused salt pipeline support and hanger for a photo-thermal power station is characterized in that the joints of fused salt pipelines are fixedly connected through coaxial spool-shaped pipeline connecting pieces, grooves for installing the fused salt pipelines are formed in the end faces of the two ends of each spool-shaped pipeline connecting piece, the fused salt pipelines are inserted into the grooves, and the inner walls of the fused salt pipelines are level to the inner walls of the spool-shaped pipeline connecting pieces; the middle part of the bobbin type pipeline connecting piece is fixedly provided with a supporting and hanging structure, the supporting and hanging structure comprises two lantern rings matched with the side surface of the bobbin type pipeline connecting piece, the lantern rings are semicircular ring structures, the two lantern rings are welded together to form a circular ring sleeved on the outer wall of the bobbin type pipeline connecting piece, and the supporting and hanging structure further comprises section steel fixedly connected with the lantern rings and used for supporting and hanging.
The utility model discloses technical scheme's further improvement lies in: shaped steel fixed mounting is in the lantern ring middle part, and two shaped steel of fixed mounting on the lantern ring set up along lantern ring radial symmetry.
The utility model discloses technical scheme's further improvement lies in: the diameter of the two lantern rings after welding is the same as that of the end part of the spool type pipeline connecting piece, and a gap is formed between the lantern rings and the end part of the spool type pipeline connecting piece.
The utility model discloses technical scheme's further improvement lies in: the wall thickness of the spool type pipeline connecting piece is thickened, and an annular groove is formed in the end portion of the spool type pipeline connecting piece.
The utility model discloses technical scheme's further improvement lies in: the diameter of the two ends of the bobbin type pipeline connecting piece is larger than the diameter of the middle of the bobbin type pipeline connecting piece, the inner diameter of the lantern ring is larger than the diameter of the middle of the bobbin type pipeline connecting piece, and a gap is formed between the lantern ring and the end portion of the bobbin type pipeline connecting piece, so that the lantern ring can rotate and slide on the bobbin type pipeline connecting piece.
Since the technical scheme is used, the utility model discloses the technological effect who gains has:
1. when the pipeline support structure is designed, a protective plate is prevented from being directly welded on a pipeline, and the outer wall of the working pipe is not welded, so that the damage of thermal stress to the working pipe caused by the instant uneven temperature change of the fused salt pipeline is avoided;
2. the mounting workload of the support and hanger frame during field mounting is reduced, and the risk caused by the non-standard field welding and mounting of the guard plate is avoided;
3. the pipeline connecting part adopts a thickened spool-shaped structure; the structure is stable and reliable, and the load and the external acting force of the high-temperature molten salt pipeline system can be completely borne;
4. the lantern ring and the spool type pipeline connecting piece part can rotate and slide, and the manufacturing and the installation are simple and time-saving;
5. the structure is simple, and other parts such as electric tracing and the like are convenient to install;
6. the problem of high temperature pipeline gallows local stress is big is solved, fused salt pipe-line system operation security has greatly been improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a spool-type pipe coupling of the present invention;
fig. 3 is a schematic view of the structure of the collar of the present invention.
The device comprises a molten salt pipeline 1, a spool type pipeline connecting piece 2, a lantern ring 3, a lantern ring 4 and section steel.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific embodiments:
the utility model discloses a light and heat power station fused salt pipeline gallows, current high temperature pipeline gallows pattern of structure all is difficult to satisfy the requirement of the long-term safety and stability operation of light and heat power station high temperature fused salt pipeline, because the power station must frequently open and stop, cause the process that fused salt pipeline all will experience rapid heating up and cooling every day, the temperature variation gradient is very big, can not satisfy the needs of light and heat power station fused salt pipeline temperature rapid change, can't adapt to the high requirement that thermal stress height and thermal displacement are big of high temperature fused salt pipe promptly, be difficult to carry out long-term stability safe operation, very big potential safety hazard has been brought.
As shown in fig. 1, for the overall structure schematic diagram of the utility model, a spool type pipe connection member 2 is installed at the junction between two molten salt pipelines 1, the spool type pipe connection member 2 is a spool type pipe connection member, that is, the diameters of the two ends of the spool type pipe connection member 2 are larger than the diameter of the middle part thereof, and the wall thickness of the spool type pipe connection member 2 is thickened, an annular groove matched with the diameter of the end part of the molten salt pipeline 1 is opened at the position where the end parts of the two ends of the spool type pipe connection member 2 correspond to the molten salt pipeline 1, and the annular groove is used for welding and fixing after the molten salt pipeline 1 is installed; meanwhile, the inner walls of the fused salt pipeline 1 and the spool-shaped pipeline connecting piece 2 are flat, so that fused salt can smoothly flow.
As shown in fig. 1, 2 and 3, two lantern rings 3 are installed at the middle part of the spool type pipeline connecting piece 2, the lantern ring 3 is a semicircular ring structure, the two lantern rings 3 are welded together, a gap is arranged between the lantern ring 3 and the end part of the spool type pipeline connecting piece 2, the inner diameter of the lantern ring 3 is slightly larger than the middle outer diameter of the spool type pipeline connecting piece 2, meanwhile, the end part of the lantern ring 3 and the spool type pipeline connecting piece 2 is provided with a single-side gap of about 2mm, and rotation and sliding between the lantern ring 3 and the spool type pipeline connecting piece 2 can be achieved. The middle part of the lantern ring 3 is fixedly connected with the section steel 4 through welding, the two section steels 4 are symmetrically arranged, and the axial pipeline connecting piece 2 and the lantern ring 3 are arranged along the radial direction and used for supporting and hoisting. Through installing spool type pipe connection spare 2 and a structure of hanging at fused salt pipeline 1's junction, can avoid directly welding installation backplate on fused salt pipeline 1, avoided the destruction of thermal stress to fused salt pipeline 1.
The specific implementation manner of this embodiment: when the pipeline is installed on site, the fused salt pipeline 1 is installed in a groove at the end part of the spool type pipeline connecting piece 2 and then is fixed, so that the pipeline is fixedly installed; then fixedly installing section steel 4 arranged along the radial direction on each lantern ring 3 through welding; and finally, after the two lantern rings 3 provided with the section steel 4 are arranged in the middle of the spool-shaped pipeline connecting piece 2, the two lantern rings 3 are welded, the lantern rings 3 which are welded can rotate and slide on the spool-shaped pipeline connecting piece 2, and the section steel 4 is supported and hung during supporting and hanging.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape, principle and the like of the invention are covered by the protection scope of the invention.
Claims (5)
1. The utility model provides a light and heat power station fused salt pipeline gallows which characterized in that: the joint of the fused salt pipeline (1) is fixedly connected through a coaxial spool type pipeline connecting piece (2), grooves for installing the fused salt pipeline (1) are formed in the end faces of two ends of the spool type pipeline connecting piece (2), the fused salt pipeline (1) is inserted into the grooves, and the inner wall of the fused salt pipeline (1) is level to the inner wall of the spool type pipeline connecting piece (2); a suspended structure is fixedly installed in the middle of the bobbin type pipeline connecting piece (2), the suspended structure comprises two lantern rings (3) matched with the side surfaces of the bobbin type pipeline connecting piece (2), the lantern rings (3) are semicircular ring structures, the two lantern rings (3) are welded together to form a circular ring sleeved on the outer wall of the bobbin type pipeline connecting piece, and the suspended structure further comprises section steel (4) fixedly connected with the lantern rings (3) and used for supporting and suspending.
2. The solar-thermal power station molten salt pipeline supporting and hanging frame as claimed in claim 1, characterized in that: shaped steel (4) fixed mounting is in the lantern ring middle part, and two shaped steel (4) of fixed mounting on the lantern ring (3) set up along lantern ring (3) radial symmetry.
3. The solar-thermal power station molten salt pipeline supporting and hanging frame as claimed in claim 1, characterized in that: the diameter of the two welded lantern rings (3) is the same as that of the end part of the bobbin-type pipeline connecting piece (2), and a gap is formed between the lantern rings (3) and the end part of the bobbin-type pipeline connecting piece (2).
4. The solar-thermal power station molten salt pipeline supporting and hanging frame as claimed in claim 1, characterized in that: the wall thickness of the bobbin type pipeline connecting piece (2) is thickened, and an annular groove is formed in the end portion of the bobbin type pipeline connecting piece.
5. The solar-thermal power station molten salt pipeline supporting and hanging frame as claimed in claim 1, characterized in that: the diameter of the two ends of the bobbin type pipeline connecting piece (2) is larger than the diameter of the middle of the bobbin type pipeline connecting piece, the inner diameter of the lantern ring (3) is larger than the diameter of the middle of the bobbin type pipeline connecting piece (2), and a gap is formed between the lantern ring (3) and the end of the bobbin type pipeline connecting piece (2), so that the lantern ring (3) can rotate and slide on the bobbin type pipeline connecting piece (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020047040.2U CN211650785U (en) | 2020-01-10 | 2020-01-10 | Photo-thermal power station fused salt pipeline gallows |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020047040.2U CN211650785U (en) | 2020-01-10 | 2020-01-10 | Photo-thermal power station fused salt pipeline gallows |
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| CN211650785U true CN211650785U (en) | 2020-10-09 |
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| CN202020047040.2U Active CN211650785U (en) | 2020-01-10 | 2020-01-10 | Photo-thermal power station fused salt pipeline gallows |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112268827A (en) * | 2020-10-14 | 2021-01-26 | 西安热工研究院有限公司 | Thermal fatigue cracking resistant method for stainless steel hot molten salt pipeline of photo-thermal power station |
| CN112344097A (en) * | 2020-10-14 | 2021-02-09 | 中国石油化工股份有限公司 | Rolling type hanging bracket for constant-force spring |
-
2020
- 2020-01-10 CN CN202020047040.2U patent/CN211650785U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112268827A (en) * | 2020-10-14 | 2021-01-26 | 西安热工研究院有限公司 | Thermal fatigue cracking resistant method for stainless steel hot molten salt pipeline of photo-thermal power station |
| CN112344097A (en) * | 2020-10-14 | 2021-02-09 | 中国石油化工股份有限公司 | Rolling type hanging bracket for constant-force spring |
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