RISK-INFORMED STRENGTH DESIGN OF HOT MOLTEN SALT STORAGE TANK FOR CSP PLANTS
Hot molten salt storage tank is the key energy storage equipment in solar thermal power stations. The accidents of similar equipment indicates that there is a risk of periodic cracking for storage tanks based on general strength design specifications. Based on the high-temperature structural strengt...
| Main Authors: | , , , , , , |
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| Format: | Article |
| Language: | zho |
| Published: |
Editorial Office of Journal of Mechanical Strength
2022-01-01
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| Series: | Jixie qiangdu |
| Subjects: | |
| Online Access: | http://www.jxqd.net.cn/thesisDetails#10.16579/j.issn.1001.9669.2022.03.023 |
| _version_ | 1797768012568199168 |
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| author | ZENG Xin CAI Jun ZHENG WeiDong LI FangYa YE DongTing HU JingDong LIU ChangJun |
| author_facet | ZENG Xin CAI Jun ZHENG WeiDong LI FangYa YE DongTing HU JingDong LIU ChangJun |
| author_sort | ZENG Xin |
| collection | DOAJ |
| description | Hot molten salt storage tank is the key energy storage equipment in solar thermal power stations. The accidents of similar equipment indicates that there is a risk of periodic cracking for storage tanks based on general strength design specifications. Based on the high-temperature structural strength design theory, risk-informed design methods were introduced to a 100 MW CSP plant. Quantitative control indicators for risk sources were reversely calculated. The results show that when the equivalent friction coefficient of bottom plate is greater than 0.65, the tank could have ratchet damage during heat-up stage. When the thickness of sand layer is greater than 60 mm, the sidewall of the storage tank could be instantaneously fractured. The range of temperature fluctuation should be limited between-20℃ and +25℃ to avoid high cycle fatigue fracture and buckling. Meanwhile, it is recommended to appropriately increase the center height of the tank bottom（<29 mm） to prevent thermal stress failure. |
| first_indexed | 2024-03-12T20:48:18Z |
| format | Article |
| id | doaj.art-9a5952ca7b544cb282bf5f649b2d8442 |
| institution | Directory Open Access Journal |
| issn | 1001-9669 |
| language | zho |
| last_indexed | 2024-03-12T20:48:18Z |
| publishDate | 2022-01-01 |
| publisher | Editorial Office of Journal of Mechanical Strength |
| record_format | Article |
| series | Jixie qiangdu |
| spelling | doaj.art-9a5952ca7b544cb282bf5f649b2d84422023-08-01T07:38:55ZzhoEditorial Office of Journal of Mechanical StrengthJixie qiangdu1001-96692022-01-014467668329913271RISK-INFORMED STRENGTH DESIGN OF HOT MOLTEN SALT STORAGE TANK FOR CSP PLANTSZENG XinCAI JunZHENG WeiDongLI FangYaYE DongTingHU JingDongLIU ChangJunHot molten salt storage tank is the key energy storage equipment in solar thermal power stations. The accidents of similar equipment indicates that there is a risk of periodic cracking for storage tanks based on general strength design specifications. Based on the high-temperature structural strength design theory, risk-informed design methods were introduced to a 100 MW CSP plant. Quantitative control indicators for risk sources were reversely calculated. The results show that when the equivalent friction coefficient of bottom plate is greater than 0.65, the tank could have ratchet damage during heat-up stage. When the thickness of sand layer is greater than 60 mm, the sidewall of the storage tank could be instantaneously fractured. The range of temperature fluctuation should be limited between-20℃ and +25℃ to avoid high cycle fatigue fracture and buckling. Meanwhile, it is recommended to appropriately increase the center height of the tank bottom（<29 mm） to prevent thermal stress failure.http://www.jxqd.net.cn/thesisDetails#10.16579/j.issn.1001.9669.2022.03.023Hot storage tank;Risk-informed design;Friction;Foundation settlement;Temperature fluctuation |
| spellingShingle | ZENG Xin CAI Jun ZHENG WeiDong LI FangYa YE DongTing HU JingDong LIU ChangJun RISK-INFORMED STRENGTH DESIGN OF HOT MOLTEN SALT STORAGE TANK FOR CSP PLANTS Jixie qiangdu Hot storage tank;Risk-informed design;Friction;Foundation settlement;Temperature fluctuation |
| title | RISK-INFORMED STRENGTH DESIGN OF HOT MOLTEN SALT STORAGE TANK FOR CSP PLANTS |
| title_full | RISK-INFORMED STRENGTH DESIGN OF HOT MOLTEN SALT STORAGE TANK FOR CSP PLANTS |
| title_fullStr | RISK-INFORMED STRENGTH DESIGN OF HOT MOLTEN SALT STORAGE TANK FOR CSP PLANTS |
| title_full_unstemmed | RISK-INFORMED STRENGTH DESIGN OF HOT MOLTEN SALT STORAGE TANK FOR CSP PLANTS |
| title_short | RISK-INFORMED STRENGTH DESIGN OF HOT MOLTEN SALT STORAGE TANK FOR CSP PLANTS |
| title_sort | risk informed strength design of hot molten salt storage tank for csp plants |
| topic | Hot storage tank;Risk-informed design;Friction;Foundation settlement;Temperature fluctuation |
| url | http://www.jxqd.net.cn/thesisDetails#10.16579/j.issn.1001.9669.2022.03.023 |
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