CN215337162U - Pipeline arrangement structure for internal rotation compensation of heat absorption tower of tower type photo-thermal power station - Google Patents
Pipeline arrangement structure for internal rotation compensation of heat absorption tower of tower type photo-thermal power station Download PDFInfo
- Publication number
- CN215337162U CN215337162U CN202121358424.7U CN202121358424U CN215337162U CN 215337162 U CN215337162 U CN 215337162U CN 202121358424 U CN202121358424 U CN 202121358424U CN 215337162 U CN215337162 U CN 215337162U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- tower
- tower pipeline
- rotation compensation
- compensation devices
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model discloses a pipeline arrangement structure for internal rotation compensation of a heat absorption tower of a tower type photo-thermal power station, which mainly comprises a tower top heat absorber, an upper tower pipeline and a lower tower pipeline, wherein the upper tower pipeline and the lower tower pipeline are arranged on the tower top heat absorber; the upper tower pipeline and the lower tower pipeline are respectively provided with at least one group of rotation compensation devices, the rotation compensation devices are used for converting the axial thermal expansion displacement of the pipelines into a compensation mode of a rotation angle so as to absorb the axial thermal expansion displacement of the pipelines, the upper tower pipeline and the lower tower pipeline respectively comprise a straight pipe section and a bent pipe section for mounting the rotation compensation devices, the rotation compensation devices in the same group are connected through a connecting pipe which is transversely arranged, and a plurality of support hangers used for fixing corresponding pipelines are uniformly arranged on the straight pipe sections of the upper tower pipeline and the lower tower pipeline; at least two groups of rotation compensation devices are uniformly arranged on the upper tower pipeline, and the number of the rotation compensation devices arranged on the lower tower pipeline is larger than that of the rotation compensation devices arranged on the upper tower pipeline.
Description
Technical Field
The utility model relates to the technical field of tower type photo-thermal power generation, in particular to a pipeline arrangement structure for internal rotation compensation of a heat absorption tower of a tower type photo-thermal power station.
Background
The solar thermal power generation technology has the advantages of large-capacity energy storage, flexible power grid dispatching and the like, and has wide development prospect at home and abroad. The tower type solar thermal power generation technology has the advantages of large light concentration ratio, high steam parameters, large system capacity, high efficiency and the like, and is one of typical technologies advocated by large-scale commercial operation at present. The heat absorption medium used in the tower type solar thermal power generation system mainly comprises water/steam, molten salt, air and the like, the medium is conveyed to a heat absorber at the tower top through a pump to absorb heat, and then the heat returns to the ground from the tower top to do work or store heat, wherein the heat absorption medium relates to an ascending pipe from the ground to the heat absorber at the tower top and a descending pipe from the heat absorber at the tower top to the ground in a heat absorption tower.
The risers and downcomers are typically higher in temperature and longer in length, resulting in greater thermal expansion displacements that require thermal compensation. The thermal compensation of the risers and downcomers in the absorber column often faces the following problems: 1. the space in the heat absorption tower is limited, and natural compensation occupies larger space, so that the arrangement of other equipment in the tower is influenced or the volume of the heat absorption tower is too large, and the engineering quantity is increased more; 2. the consumption of natural compensation pipeline materials is large, and the engineering investment cost is high; 3. the natural compensation pipeline is longer in whole and heavier, and the construction amount of structural supporting and hanging is increased; 4. the natural compensation pipeline has more elbows and larger resistance, thus causing the pump lift to be increased and the service power to be increased. Therefore, there is a need to develop a more economical and safer heat absorption tower pipeline arrangement structure, reduce the construction cost and finally improve the yield of the photo-thermal power station.
Disclosure of Invention
The technical problem to be solved by the utility model is to provide a pipeline arrangement structure for internal rotation compensation of a heat absorption tower of a tower type photo-thermal power station, which can effectively compress the occupied space of pipelines, reduce the length of the pipelines and the number of elbows and greatly reduce the construction cost, aiming at the defects in the prior art.
The utility model aims to provide a pipeline arrangement structure for internal rotation compensation of a heat absorption tower of a tower type photo-thermal power station, which mainly comprises a tower top heat absorber, an upper tower pipeline and a lower tower pipeline, wherein the upper tower pipeline and the lower tower pipeline are arranged on the tower top heat absorber; the upper tower pipeline and the lower tower pipeline are provided with at least one group of rotation compensation devices, the rotation compensation devices are used for converting the axial thermal expansion displacement of the pipeline into a compensation mode of a rotation angle so as to absorb the axial thermal expansion displacement of the pipeline, the upper tower pipeline and the lower tower pipeline respectively comprise straight pipe sections and bent pipe sections used for installing the rotation compensation devices, the rotation compensation devices in the same group are connected through connecting pipes transversely arranged, and a plurality of support hangers used for fixing corresponding pipelines are uniformly arranged on the straight pipe sections of the upper tower pipeline and the lower tower pipeline.
Furthermore, at least two groups of rotation compensation devices are uniformly arranged on the upper tower pipeline, and the number of the rotation compensation devices arranged on the lower tower pipeline is greater than that of the rotation compensation devices arranged on the upper tower pipeline.
Furthermore, the supporting and hanging bracket mainly comprises a plurality of fixing brackets which are uniformly arranged, and a spring hanging bracket and a limiting bracket which are arranged between two adjacent fixing brackets; at least two groups of spring hangers are arranged between the fixed support and the limiting support of the upper tower pipeline, and at least one group of spring hangers is arranged between the fixed support and the limiting support of the lower tower pipeline.
Furthermore, a damping support and hanger for sharing the medium instantaneous force borne by the fixed support is additionally arranged on the straight pipe sections of the upper tower pipeline and the lower tower pipeline.
The utility model has the beneficial technical effects that: the pipeline axial thermal expansion displacement is absorbed by a compensation mode of converting the pipeline axial thermal expansion displacement into a rotation angle, compared with natural compensation, the pipeline axial thermal expansion displacement absorption device can greatly reduce the occupied space, the length and the weight of the pipeline, effectively compress the occupied space of the pipeline and reduce the size and the engineering quantity of a heat absorption tower; the length of the pipeline and the number of the elbows are reduced, the supporting and hanging weight of the steel structure and the service power are reduced, the construction cost is greatly reduced, and the engineering benefit is effectively improved.
Drawings
FIG. 1 is a schematic structural diagram of the upper tower pipeline according to the present invention;
FIG. 2 is a schematic structural view of a lower column pipeline according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood by those skilled in the art, the present invention is further described with reference to the accompanying drawings and examples.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "inside", "outside", "lateral", "vertical", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1-2, the internal rotation compensation pipeline arrangement structure of the heat absorption tower of the tower-type photothermal power station mainly includes a tower top heat absorber 1, and an upper tower pipeline 2 and a lower tower pipeline 3 which are arranged on the tower top heat absorber 1, wherein the upper tower pipeline 2 is used for conveying a medium from the ground into the tower top heat absorber 1, the lower tower pipeline 3 is used for conveying the medium subjected to heat absorption from the tower top heat absorber 1 to the ground, and the conveyed medium generally includes an air pipeline, a molten salt pipeline, water/steam, and the like; such pipes are long, high temperature, and have large thermal expansion displacements, which require compensation measures to absorb.
In contrast, the present invention performs compensation measures by providing at least one set of rotation compensation devices 4 on both the upper tower pipeline 2 and the lower tower pipeline 3, and the rotation compensation devices 4 are used for converting the pipeline axial thermal expansion displacement into a compensation mode of a rotation angle so as to absorb the pipeline axial thermal expansion displacement. The upper tower pipeline 2 and the lower tower pipeline 3 both comprise straight pipe sections and bend pipe sections used for installing the rotary compensation devices 4, the rotary compensation devices 4 in the same group are connected through connecting pipes transversely arranged, a plurality of supporting and hanging frames used for fixing corresponding pipelines are uniformly arranged on the straight pipe sections of the upper tower pipeline 2 and the lower tower pipeline 3, and the supporting and hanging frames mainly refer to supporting and hanging devices used for supporting the pipelines and the rotary compensators.
Referring to fig. 1-2, at least two sets of rotation compensation devices 4 are uniformly arranged on the upper tower pipeline 2, and the number of the rotation compensation devices 4 arranged on the lower tower pipeline 3 is greater than that of the rotation compensation devices 4 arranged on the upper tower pipeline 2. The supporting and hanging bracket mainly comprises a plurality of fixed brackets 5 which are uniformly arranged, and a spring hanging bracket 6 and a limiting bracket 7 which are arranged between two adjacent fixed brackets 5; at least two groups of spring hangers 6 are arranged between the fixing support 5 and the limiting support 7 of the upper tower pipeline 2, and at least one group of spring hangers 6 are arranged between the fixing support 5 and the limiting support 7 of the lower tower pipeline 3. The pipeline arrangement structure is characterized in that a fixed support 5 is arranged on each straight pipe section between every two rotary compensation devices 4, radial limiting supports 7 are arranged on the front straight pipe section and the rear straight pipe section of the fixed supports 5 along the direction of a pipeline, and the rest are spring support hangers 6. When only one rotary compensation device 4 is arranged or the straight pipe section is too long, a damping support hanger is additionally arranged on the straight pipe section to share the instantaneous force of the fixed support, such as a steam hammer, a water hammer, a molten salt hammer and the like.
Example (b):
referring to fig. 1-2, the lengths of the upper tower pipeline and the lower tower pipeline are about 200m, the upper tower pipeline design calculated temperature is 375 ℃, the lower tower pipeline design calculated temperature is 575 ℃, and the thermal expansion displacement is large. As shown in fig. 1, a fixing bracket is arranged at the interface of the heat absorber and the pipeline of the upper tower, and 2 rotary compensation devices are arranged at intervals of 100 m. One limiting bracket and a plurality of spring brackets are arranged between the fixed bracket and the rotary compensation device.
As shown in fig. 2, a fixing bracket is arranged at the interface of the heat absorber and the pipeline of the lower tower, and 4 rotary compensation devices are arranged at intervals of 50 m. One limiting bracket and a plurality of spring brackets are arranged between the fixed bracket and the rotary compensation device.
The upper tower pipeline and the lower tower pipeline adopt the pipeline arrangement structure, the occupied space of the rotary compensation device can be reduced to be within 4m, the rest places are only occupied space for the pipelines, the space in the heat absorption tower can be greatly compressed, and the diameter and the engineering quantity of the heat absorption tower can be greatly reduced. Thereby reducing the length of the pipeline and the number of the elbows, reducing the supporting and hanging weight of the steel structure and the service power, greatly reducing the construction cost and effectively improving the engineering benefit.
In addition, the pipeline arrangement structure adopting one or more rotation compensation devices to replace natural compensation can also be used outside a heat absorption tower in a use scene with higher requirement on pipeline arrangement space or larger thermal expansion displacement.
The specific embodiments described herein are merely illustrative of the principles and utilities of the present invention and are not intended to limit the utility model. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (4)
1. A pipeline arrangement structure for internal rotation compensation of a heat absorption tower of a tower type photo-thermal power station mainly comprises a tower top heat absorber, an upper tower pipeline and a lower tower pipeline, wherein the upper tower pipeline and the lower tower pipeline are arranged on the tower top heat absorber; the method is characterized in that: the upper tower pipeline and the lower tower pipeline are provided with at least one group of rotation compensation devices, the rotation compensation devices are used for converting the axial thermal expansion displacement of the pipeline into a compensation mode of a rotation angle so as to absorb the axial thermal expansion displacement of the pipeline, the upper tower pipeline and the lower tower pipeline respectively comprise straight pipe sections and bent pipe sections used for installing the rotation compensation devices, the rotation compensation devices in the same group are connected through connecting pipes transversely arranged, and a plurality of support hangers used for fixing corresponding pipelines are uniformly arranged on the straight pipe sections of the upper tower pipeline and the lower tower pipeline.
2. The internal rotation compensated piping arrangement of a tower thermal power plant heat absorption tower of claim 1, wherein: at least two groups of rotation compensation devices are uniformly arranged on the upper tower pipeline, and the number of the rotation compensation devices arranged on the lower tower pipeline is larger than that of the rotation compensation devices arranged on the upper tower pipeline.
3. The internal rotation compensated piping arrangement of a tower thermal power plant heat absorption tower of claim 1 or 2, wherein: the supporting and hanging bracket mainly comprises a plurality of fixed brackets which are uniformly arranged, and a spring hanging bracket and a limiting bracket which are arranged between two adjacent fixed brackets; at least two groups of spring hangers are arranged between the fixed support and the limiting support of the upper tower pipeline, and at least one group of spring hangers is arranged between the fixed support and the limiting support of the lower tower pipeline.
4. The internal rotation compensated piping arrangement of a tower thermal power plant heat absorption tower of claim 3, wherein: and the straight pipe sections of the upper tower pipeline and the lower tower pipeline are additionally provided with damping support hangers for sharing medium instantaneous force borne by the fixed support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121358424.7U CN215337162U (en) | 2021-06-18 | 2021-06-18 | Pipeline arrangement structure for internal rotation compensation of heat absorption tower of tower type photo-thermal power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121358424.7U CN215337162U (en) | 2021-06-18 | 2021-06-18 | Pipeline arrangement structure for internal rotation compensation of heat absorption tower of tower type photo-thermal power station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215337162U true CN215337162U (en) | 2021-12-28 |
Family
ID=79559056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121358424.7U Active CN215337162U (en) | 2021-06-18 | 2021-06-18 | Pipeline arrangement structure for internal rotation compensation of heat absorption tower of tower type photo-thermal power station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215337162U (en) |
-
2021
- 2021-06-18 CN CN202121358424.7U patent/CN215337162U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104266395B (en) | A kind of framework and there is the solar energy heat collector of this framework | |
| CN215337162U (en) | Pipeline arrangement structure for internal rotation compensation of heat absorption tower of tower type photo-thermal power station | |
| CN111156717A (en) | Tower type solar high-temperature heat absorber | |
| CN202432493U (en) | Modular afterheat boiler | |
| CN116792732A (en) | Tower type photo-thermal power area pi-shaped plane arrangement structure and salt dredging and discharging method thereof | |
| CN105222121B (en) | Boiler coal economizer | |
| CN201852314U (en) | Parallel-connection heat collection superconducting flat plate solar collector | |
| CN205102102U (en) | Coal saving device of boiler | |
| CN215962906U (en) | Supporting and lifting device for denitration inclined flue of large power station unit | |
| CN106152558A (en) | Thermal insulation casing | |
| CN202501159U (en) | Compensator special for waste heat power generation | |
| CN112325307B (en) | Rapid cooler of sintering flue gas incinerator | |
| CN208901931U (en) | Horizontally disposed fluoroplastics flue gas heat-exchange unit | |
| CN211041872U (en) | Turbo generator set condenser circulating water pipeline arrangement structure of power plant | |
| CN105021060A (en) | Natural convection cooling tower type air cooling system | |
| CN210119023U (en) | Tower type solar thermal power generation system based on semicircular heat collector | |
| CN204815726U (en) | Propylene tower reboiler | |
| CN204165418U (en) | A kind of blow-off line for compound condenser | |
| CN113639353A (en) | Heating air-conditioning system with passive heat pipe for heat transfer and phase change material energy storage | |
| CN203585244U (en) | Eccentric disk torque box | |
| CN203824368U (en) | Natural convection cooling tower-shaped air cooling system | |
| CN205939730U (en) | Double tub of solid matter solar energy collection allies oneself with soot collector | |
| CN211823946U (en) | Air temperature formula LNG vaporizer spray set | |
| CN102102946B (en) | Device for recovering radiant energy waste heat on wall surface of high-temperature cylinder of cement rotary kiln | |
| CN208365845U (en) | A kind of trough type solar heat-collector mounting bracket |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |