CN111780086A - Be arranged in light and heat power plant steam generation system steam pocket to prevent swirl device - Google Patents
Be arranged in light and heat power plant steam generation system steam pocket to prevent swirl device Download PDFInfo
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- CN111780086A CN111780086A CN202010671007.1A CN202010671007A CN111780086A CN 111780086 A CN111780086 A CN 111780086A CN 202010671007 A CN202010671007 A CN 202010671007A CN 111780086 A CN111780086 A CN 111780086A
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- 238000005192 partition Methods 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 238000003466 welding Methods 0.000 claims description 10
- 230000011218 segmentation Effects 0.000 claims description 7
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 6
- 239000007788 liquid Substances 0.000 abstract description 3
- 238000010248 power generation Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/22—Drums; Headers; Accessories therefor
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The invention relates to a swirl preventing device for a steam pocket in a steam generating system of a photo-thermal power station, which relates to a swirl preventing device and aims to solve the problem that a large-diameter downcomer is easy to form a swirl hopper under the condition that the liquid level of the steam pocket of the steam generating system of the high-power photo-thermal power station is limited. The vortex-preventing structure has good vortex-preventing effect, and the vortex-preventing effect is superior to that of the traditional grid or cross plate structure by utilizing the optimized combination of a plurality of partition plates (main partition plates and regional partition plates) and the inner sleeve according to the characteristics of different regions.
Description
Technical Field
The invention relates to a steam pocket vortex preventing device, in particular to a steam pocket vortex preventing device for a steam generating system of a photo-thermal power station, and belongs to the technical field of electric power and chemical systems.
Background
Energy and environmental problems are two important problems faced by the world at present, China has paid great attention to the development and utilization of new energy in recent years, wherein solar power generation is an effective way for relieving or even solving the energy problems, all countries in the world make active efforts, solar thermal power generation is an important development direction for solar energy utilization, a photothermal power generation steam generation system is important heat exchange equipment, an evaporator is a main component equipment, a steam generation device consisting of two heat exchangers and a steam pocket is a main solution of the high-power photothermal power station at present, because a downcomer of the steam pocket needs to play a role of supporting the steam pocket besides the traditional water conveying role, the pipe diameter design is often larger, because the liquid level height of the steam pocket is limited, a large-diameter downcomer easily forms half vortex to cause steam to be entrained in water, make the unable normal operating of evaporimeter, grid or cross plate can generally be equipped with to this problem is solved to traditional downcomer, and to light and heat power station drum water level fluctuation big, downcomer size and water level size gap are little, and this problem effect is not ideal to traditional scheme solution.
Disclosure of Invention
The invention provides a novel steam pocket vortex preventing device for a steam pocket of a steam generating system of a high-power photo-thermal power station, aiming at solving the problem that a large-diameter downcomer is easy to form a vortex bucket under the condition that the liquid level of the steam pocket of the steam generating system of the high-power photo-thermal power station is limited.
The technical scheme adopted by the invention for solving the problems is as follows:
the steam turbine comprises a vortex-preventing shell, a plurality of fixing plates and a dividing assembly, wherein a steam-water space dividing plate is arranged in a steam drum shell of the photo-thermal power station steam generation system, the vortex-preventing shell is connected with the steam-water space dividing plate through welding, the dividing assembly is located in the vortex-preventing shell, and the fixing plates are connected with the dividing assembly.
Further, the vortex-preventing shell comprises a lip, a funnel-shaped shell and an outer shell, the lip, the funnel-shaped shell and the outer shell are sequentially connected into a whole from top to bottom, and the segmentation assembly is located in the outer shell.
Furthermore, the lip is annular, the upper end of the lip is fixed on the steam-water space partition plate in a welding mode, the lower end of the lip is connected with the upper portion of the funnel-shaped shell in a welding mode, and the lower portion of the funnel-shaped shell is welded with the upper end of the cylindrical shell.
Furthermore, the segmentation component comprises a steel ring, a main segmentation plate, a plurality of area segmentation plates and an inner sleeve, wherein the steel ring and the inner sleeve are arranged in the outer shell from outside to inside; the plurality of regional division boards are arranged between the inner sleeve and the outer shell along the circumferential direction, the inner end of each regional division board is welded with the outer wall of the inner sleeve, and the plurality of regional division boards are welded with the steel ring.
Furthermore, two ends of the main dividing plate and two ends of the region dividing plate perpendicular to the main dividing plate are respectively provided with a first threaded hole.
Furthermore, each fixing plate is provided with a second threaded hole matched with the first threaded hole.
Further, the number of the fixing plates is four.
Furthermore, two of the fixing plates are fixed at two ends of the main dividing plate respectively through bolts, the other two fixing plates are fixed at two ends of the region dividing plate perpendicular to the main dividing plate respectively through bolts, and the outer end of each fixing plate is welded with the inner wall of the outer shell.
The invention has the beneficial effects that:
1. the invention has simple structure, and can be realized by simply splicing a plurality of steel plates;
2. the vortex-preventing effect is good, the optimized grouping of a plurality of partition plates (a main partition plate and a region partition plate) and the inner sleeve is utilized according to different region characteristics, the vortex-preventing effect is superior to that of a traditional grid or cross plate structure, and compared with the traditional structure, the requirement of a steam drum water level is not less than 4 times of the inner diameter of the downcomer so as to avoid the occurrence of vortex;
3. adopt bolted connection mode fixed, be convenient for later maintenance and change.
Drawings
FIG. 1 is a schematic view of the installation of the present invention;
FIG. 2 is a cross-sectional view of a vortex breaker device;
fig. 3 is a top view of fig. 2.
Detailed Description
The first embodiment is as follows: the present embodiment is described with reference to fig. 1 to 3, and the drum vortex preventing device for a steam generating system of a photo-thermal power station according to the present embodiment includes a vortex preventing casing 3, a plurality of fixing plates 7, and a dividing assembly, wherein a steam-water space dividing plate 2 is disposed in the drum casing 1 of the photo-thermal power station steam generating system, the vortex preventing casing 3 is connected to the steam-water space dividing plate 2 by welding, the dividing assembly is disposed in the vortex preventing casing 3, and the fixing plates 7 are connected to the dividing assembly.
The second embodiment is as follows: the embodiment is described with reference to fig. 2, the vortex preventing casing 3 in the embodiment includes a lip 4, a funnel-shaped casing 5 and an outer casing 6, the lip 4, the funnel-shaped casing 5 and the outer casing 6 are sequentially connected from top to bottom into a whole, and the dividing assembly is located in the outer casing 6. The vortex-proof shell adopts a funnel rectification structure, so that a sudden change area is avoided, a new vortex is avoided from being generated due to sudden change, and meanwhile, the vortex-proof shell 3 can also offset part of original vortex through flow control.
Other components and connections are the same as those in the first embodiment.
The third concrete implementation mode: the present embodiment is described with reference to fig. 2, in which the lip 4 is circular, the upper end of the lip 4 is fixed to the steam-water space partition plate 2 by welding, the lower end of the lip 4 is connected to the upper portion of the funnel-shaped housing 5 by welding, and the lower portion of the funnel-shaped housing 5 is welded to the upper end of the cylindrical outer housing 6.
The appearance ruler rain of the steam-water space partition plate is optimally designed according to factors such as the steam pocket internal space, the fluid flow resistance requirement, the steam-water separation effect and the like, the steam-water space partition plate 2 is provided with a round hole at the position corresponding to the down pipe, the inner diameter of the ring of the lip 4 is slightly smaller than the diameter of the round hole formed in the steam-water space partition plate 2, and the outer diameter of the ring is larger than the diameter of the round hole formed in the steam-water space partition plate.
Other components are connected in the same manner as in the second embodiment.
The fourth concrete implementation mode: the embodiment is described with reference to fig. 2 to 3, the partition assembly of the embodiment comprises a steel ring 8, a main partition plate 9, a plurality of regional partition plates 10 and an inner sleeve 11, the steel ring 8 and the inner sleeve 11 are arranged in the outer shell 6 from outside to inside, the main partition plate 9 is horizontally arranged in the outer shell 6, and the steel ring 8 and the inner sleeve 11 are both welded with the main partition plate 9; the plurality of regional division plates 10 are welded to the inner sleeve 11 according to a certain angle according to fluid flow characteristics, the plurality of regional division plates 10 are arranged between the inner sleeve 11 and the outer shell 6 along the circumferential direction, the inner end of each regional division plate 10 is welded to the outer wall of the inner sleeve 11, the plurality of regional division plates 10 are welded to the steel ring 8, and the steel ring is welded to each regional division plate 10 and the main division plate 9 through welding, so that the rigidity of the regional division plates is improved, and the vibration problem is avoided.
Other components and connection relationships are the same as those in the first, second or third embodiment.
The fifth concrete implementation mode: in the present embodiment, first screw holes are provided at both ends of the main dividing plate 10 and both ends of the region dividing plate 10 provided perpendicular to the main dividing plate 9, respectively, as described with reference to fig. 3.
Other components and connections are the same as those of the first, second, third or fourth embodiments.
The sixth specific implementation mode: the present embodiment will be described with reference to fig. 3, and each of the fixing plates 7 of the present embodiment is provided with a second screw hole that is engaged with the first screw hole.
Other components and connection relationships are the same as those in the first, second, third, fourth or fifth embodiment.
The seventh embodiment: in the present embodiment, the number of the fixing plates 7 is four, which is described with reference to fig. 3. Other components and connection relationships are the same as those in the first, second, third, fourth, fifth or sixth embodiment.
The specific implementation mode is eight: referring to fig. 3, the embodiment is described, wherein two fixing plates 7 are respectively fixed at two ends of a main dividing plate 10 by bolts 13 and nuts 14, the other two fixing plates 7 are respectively fixed at two ends of a region dividing plate 11 vertically arranged with the main dividing plate 10 by bolts 13, and the outer end of each fixing plate 7 is welded with the inner wall of an outer shell 6, and a certain space is left at the upper part to play a role of pre-rectification.
Other components and connection relations are the same as those of the first, second, third, fourth, fifth, sixth or seventh embodiment.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. The utility model provides a be arranged in light and heat power station steam generation system steam pocket vortex-preventing device which characterized in that: the utility model provides a steam pocket vortex-preventing device for among light and heat power station steam generation system is including preventing vortex casing (3), a plurality of fixed plate (7) and cutting apart the subassembly, be equipped with soda space partition plate (2) in steam pocket casing (1) of light and heat power station steam generation system, prevent that vortex casing (3) are connected with soda space partition plate (2) through the welding, cut apart the subassembly and be located and prevent vortex casing (3), fixed plate (7) are connected with cutting apart the subassembly.
2. The apparatus of claim 1, wherein the apparatus further comprises: prevent swirl casing (3) including lip (4), infundibulate casing (5) and shell body (6), lip (4), infundibulate casing (5) and shell body (6) from top to bottom link into an organic whole in proper order, it is located shell body (6) to cut apart the subassembly.
3. The apparatus of claim 2, wherein the apparatus further comprises: the lip (4) is in a circular ring shape, the upper end of the lip (4) is fixed on the steam-water space partition plate (2) in a welding mode, the lower end of the lip (4) is connected with the upper portion of the funnel-shaped shell (5) in a welding mode, and the lower portion of the funnel-shaped shell (5) is welded with the upper end of the cylindrical shell (6).
4. The apparatus of claim 1, wherein the apparatus further comprises: the segmentation component comprises a steel ring (8), a main segmentation plate (9), a plurality of region segmentation plates (10) and an inner sleeve (11),
the steel ring (8) and the inner sleeve (11) are arranged in the outer shell (6) from outside to inside,
the main dividing plate (9) is horizontally arranged in the outer shell (6),
the steel ring (8) and the inner sleeve (11) are welded with the main dividing plate (9);
a plurality of zone partition plates (10) are arranged between the inner sleeve (11) and the outer shell (6) in the circumferential direction, the inner end of each zone partition plate (10) is welded to the outer wall of the inner sleeve (11),
the plurality of area division plates (10) are welded with the steel ring (8).
5. The apparatus of claim 4, wherein the apparatus further comprises: two ends of the main dividing plate (10) and two ends of the region dividing plate (10) which is perpendicular to the main dividing plate (9) are respectively provided with a first threaded hole.
6. The apparatus of claim 1, wherein the apparatus further comprises: and a second threaded hole matched with the first threaded hole is formed in each fixing plate (7).
7. The apparatus of claim 6, wherein the apparatus further comprises: the number of the fixing plates (7) is four.
8. The apparatus of claim 7, wherein the apparatus further comprises: wherein two fixed plates (7) are respectively fixed at two ends of a main partition plate (10) through bolts (13), the other two fixed plates (7) are respectively fixed at two ends of a region partition plate (11) which is vertically arranged with the main partition plate (10) through bolts (13), and the outer end of each fixed plate (7) is welded with the inner wall of the outer shell (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010671007.1A CN111780086A (en) | 2020-07-13 | 2020-07-13 | Be arranged in light and heat power plant steam generation system steam pocket to prevent swirl device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010671007.1A CN111780086A (en) | 2020-07-13 | 2020-07-13 | Be arranged in light and heat power plant steam generation system steam pocket to prevent swirl device |
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| Publication Number | Publication Date |
|---|---|
| CN111780086A true CN111780086A (en) | 2020-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010671007.1A Pending CN111780086A (en) | 2020-07-13 | 2020-07-13 | Be arranged in light and heat power plant steam generation system steam pocket to prevent swirl device |
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| CN (1) | CN111780086A (en) |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3216400A (en) * | 1959-02-25 | 1965-11-09 | Babcock & Wilcox Ltd | Vertical nuclear boiler |
| US3572015A (en) * | 1967-05-31 | 1971-03-23 | Sulzer Ag | Water separator for saturated-steam generators |
| GB8404554D0 (en) * | 1983-02-22 | 1984-03-28 | Foster Wheeler Energy Corp | Steam separating apparatus |
| JP2001252511A (en) * | 2000-03-14 | 2001-09-18 | Ishikawajima Harima Heavy Ind Co Ltd | Steam separator |
| RU2304455C1 (en) * | 2006-05-10 | 2007-08-20 | Валерий Григорьевич Биндас | Vortex gas separator |
| US20090205489A1 (en) * | 2008-02-18 | 2009-08-20 | Alstom Technology Ltd | Hybrid separator |
| CN203501138U (en) * | 2013-08-02 | 2014-03-26 | 黑龙江大明乳品机械有限公司 | Natural circulation boiler |
| CN203628613U (en) * | 2013-12-17 | 2014-06-04 | 苏州海陆重工股份有限公司 | Water feeding and water outlet structure in drum |
| CN204986956U (en) * | 2015-06-24 | 2016-01-20 | 扬州正宇锅炉有限公司 | Power plant boiler water separator |
| CN206753667U (en) * | 2017-04-12 | 2017-12-15 | 恒力石化（大连）有限公司 | A kind of gas turbine exhaust gas water conservancy diversion, fairing |
| CN207438556U (en) * | 2017-10-27 | 2018-06-01 | 北京奥林匹亚锅炉有限公司 | Steam boiler and its steam-water separator |
| CN207555576U (en) * | 2017-12-08 | 2018-06-29 | 四川川锅科泰达能源技术有限公司 | Super-pressure corner tube boiler structure of boiler barrel |
| CN110145254A (en) * | 2019-06-14 | 2019-08-20 | 天津大学 | A kind of standpipe vortex-induced vibration suppression device |
| CN110566932A (en) * | 2019-10-11 | 2019-12-13 | 中国船舶重工集团公司第七0三研究所 | Combined efficient steam-water separation device |
| CN212511083U (en) * | 2020-07-13 | 2021-02-09 | 中国船舶重工集团公司第七0三研究所 | A swirl device is prevented to steam pocket for light and heat power plant steam generation system |
-
2020
- 2020-07-13 CN CN202010671007.1A patent/CN111780086A/en active Pending
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3216400A (en) * | 1959-02-25 | 1965-11-09 | Babcock & Wilcox Ltd | Vertical nuclear boiler |
| US3572015A (en) * | 1967-05-31 | 1971-03-23 | Sulzer Ag | Water separator for saturated-steam generators |
| GB8404554D0 (en) * | 1983-02-22 | 1984-03-28 | Foster Wheeler Energy Corp | Steam separating apparatus |
| JP2001252511A (en) * | 2000-03-14 | 2001-09-18 | Ishikawajima Harima Heavy Ind Co Ltd | Steam separator |
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| US20090205489A1 (en) * | 2008-02-18 | 2009-08-20 | Alstom Technology Ltd | Hybrid separator |
| CN203501138U (en) * | 2013-08-02 | 2014-03-26 | 黑龙江大明乳品机械有限公司 | Natural circulation boiler |
| CN203628613U (en) * | 2013-12-17 | 2014-06-04 | 苏州海陆重工股份有限公司 | Water feeding and water outlet structure in drum |
| CN204986956U (en) * | 2015-06-24 | 2016-01-20 | 扬州正宇锅炉有限公司 | Power plant boiler water separator |
| CN206753667U (en) * | 2017-04-12 | 2017-12-15 | 恒力石化（大连）有限公司 | A kind of gas turbine exhaust gas water conservancy diversion, fairing |
| CN207438556U (en) * | 2017-10-27 | 2018-06-01 | 北京奥林匹亚锅炉有限公司 | Steam boiler and its steam-water separator |
| CN207555576U (en) * | 2017-12-08 | 2018-06-29 | 四川川锅科泰达能源技术有限公司 | Super-pressure corner tube boiler structure of boiler barrel |
| CN110145254A (en) * | 2019-06-14 | 2019-08-20 | 天津大学 | A kind of standpipe vortex-induced vibration suppression device |
| CN110566932A (en) * | 2019-10-11 | 2019-12-13 | 中国船舶重工集团公司第七0三研究所 | Combined efficient steam-water separation device |
| CN212511083U (en) * | 2020-07-13 | 2021-02-09 | 中国船舶重工集团公司第七0三研究所 | A swirl device is prevented to steam pocket for light and heat power plant steam generation system |
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| Title |
|---|
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