CN101307897B - Device for guaranteeing cooling air stack loop medium flow uniformity in steam generator - Google Patents
Device for guaranteeing cooling air stack loop medium flow uniformity in steam generator Download PDFInfo
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- CN101307897B CN101307897B CN200810115436XA CN200810115436A CN101307897B CN 101307897 B CN101307897 B CN 101307897B CN 200810115436X A CN200810115436X A CN 200810115436XA CN 200810115436 A CN200810115436 A CN 200810115436A CN 101307897 B CN101307897 B CN 101307897B
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- steam generator
- cover plate
- flow uniformity
- enlarging
- aft cover
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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
- Y02E30/00—Energy generation of nuclear origin
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The present invention relates to a steam generator, in particular to a device which ensures the uniformity of the flow of a circuit media of a gas cooled reactor in the steam generator. The device comprises a steam generator, a flaring, and a current covering board. The device is characterized in that the flaring in a diverging pattern is, by welding, arranged on a thermal pipe from which a circuit cooling media enters into the steam generator; the current covering board is positioned inside a top chamber of the steam generator, and is connected with a pipe plate through a stand bar of the current covering board which is adjustable in length and angle. The device can meet the uniformity requirement in the aspects such as heat engineering hydropower and structure, etc. proposed by steam generators and heat exchangers, reduce the heat stress on an outlet pipe plate, and improve the efficiency of the steam generator. The application is wide and the cost is low.
Description
Technical field
The present invention relates to steam generator, be specifically related to a kind of device that guarantees HTGR one loop medium flow uniformity in steam generator.
Background technology
HTGR is to adopt graphite as structural material and moderator, with the novel reaction heap of helium as cooling agent.The 10MW HTGR builds up and the full power operation in Tsing-Hua University, is carrying out HTGR nuclear power station demonstration project (HTR-PM) at present.The HTR-PM steam generator adopts modular structure, and whole steam generator is made of 19 heat-exchanging components, and each heat-exchanging component all is independent of each other on structure and heat exchange function.In order to ensure each heat-exchanging component outlet steam temperature in the working range that limits, just necessarily require the heat-exchanging tube bundle of a loop medium (being generally helium or the carbon dioxide) steam generator of flowing through uniformly, could guarantee that like this outlet temperature of steam generator secondary side medium satisfies the homogeneity requirement.
Summary of the invention
The invention provides a kind of device that guarantees HTGR one loop medium flow uniformity in steam generator, comprise steam generator, enlarging, aft cover plate is characterized in that: enlarging enters the hot gas conduit place of steam generator at a circuit cools medium by welded and installed; Aft cover plate is connected with tube sheet by the aft cover plate support bar in the steam generator top chamber.
Described enlarging is the trumpet type enlarging.
Flexible of described aft cover plate support bar and adjusting angle.
Beneficial effect of the present invention is: the angle of described aft cover plate and and enlarging between distance can regulate by the aft cover plate support bar, the aft cover plate structure can be eliminated the effect of inertia that a loop gas medium flows out from horizontal pipe, gas medium is reached unanimity in the speed of entire top chamber; Described enlarging and aft cover plate structure can be guaranteed that a circuit cools medium enters and can enter in steam generator or the heat exchanger uniformly, to satisfy the uniformity requirement that steam generator or heat exchanger propose at aspects such as thermal-hydraulic, structures, reduce the thermal stress at outlet tube sheet place, improved the efficient of steam generator; Be widely used, remove on application and the HTGR steam generator, can also be applied on other the chemical industry heat transmission equipment.
Description of drawings
Fig. 1 is the structure installation diagram of device of the present invention.
Number in the figure:
The 1-horizontal duct; The enlarging of 2-trumpet type; The 3-top chamber; The 4-aft cover plate; The 5-tube sheet; 6-aft cover plate support bar; The heat exchange zone of 7-steam generator; The 8-heat insulation layer.
The specific embodiment
The invention provides a kind of device that guarantees HTGR one loop medium flow uniformity in steam generator, the present invention is further described below in conjunction with the drawings and specific embodiments.
Fig. 1 is the structure installation diagram of device of the present invention, and trumpet type enlarging 2 is welded on horizontal duct 1 exit of a loop medium, and aft cover plate 4 is installed in the top chamber 3, fixedlys connected with tube sheet 5 by aft cover plate support bar 6.
Loop gas medium from horizontal duct 1 flows out by the trumpet type enlarging 2 at conduit outlet place, is distributed in the top chamber 3 uniformly; By regulating the length and the angle of aft cover plate support bar 6, change the installation site and the angle of aft cover plate 4, to eliminate the effect of inertia that a loop gas medium flows out from horizontal pipe, gas medium is reached unanimity in the speed of entire top chamber; One loop gas medium of uniform and stable enters the heat transfer zone 7 of steam generator, realizes the heat exchange effect; 8 is the heat insulation layer of steam generator.
The present invention can satisfy the uniformity requirement that steam generator or heat exchanger propose at aspects such as thermal-hydraulic, structures, has reduced the thermal stress at outlet tube sheet place, has improved the efficient of steam generator.
Claims (3)
1. a device that guarantees HTGR one loop medium flow uniformity in steam generator comprises steam generator, enlarging, aft cover plate, it is characterized in that, enlarging enters the hot gas conduit place of steam generator at a circuit cools medium by welded and installed; Aft cover plate is connected with steam generation outlet tube sheet by the aft cover plate support bar in the steam generator top chamber.
2. the device of assurance HTGR one loop medium according to claim 1 flow uniformity in steam generator is characterized in that described enlarging is the trumpet type enlarging.
3. the device of assurance HTGR one loop medium according to claim 1 flow uniformity in steam generator is characterized in that flexible of described aft cover plate support bar and adjusting angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810115436XA CN101307897B (en) | 2008-06-24 | 2008-06-24 | Device for guaranteeing cooling air stack loop medium flow uniformity in steam generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810115436XA CN101307897B (en) | 2008-06-24 | 2008-06-24 | Device for guaranteeing cooling air stack loop medium flow uniformity in steam generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101307897A CN101307897A (en) | 2008-11-19 |
| CN101307897B true CN101307897B (en) | 2010-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200810115436XA Active CN101307897B (en) | 2008-06-24 | 2008-06-24 | Device for guaranteeing cooling air stack loop medium flow uniformity in steam generator |
Country Status (1)
| Country | Link |
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| CN (1) | CN101307897B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9230697B2 (en) * | 2012-04-20 | 2016-01-05 | Nuscale Power, Llc | Steam generator for a nuclear reactor |
| CN103806887B (en) * | 2012-11-06 | 2018-06-01 | 中国石油化工股份有限公司 | The mass dryness fractions distributor such as oil well |
| CN108278586A (en) * | 2018-03-14 | 2018-07-13 | 西安热工研究院有限公司 | A kind of system and method for HTGR Nuclear Power Plant primary Ioops heating and dehumidification |
| CN112098131B (en) * | 2020-09-15 | 2021-12-24 | 上海交通大学 | Steam generator simulation device for simulating non-uniform incoming flow of nuclear main pump inlet |
| CN113205894B (en) * | 2021-04-29 | 2022-08-02 | 西安热工研究院有限公司 | High-temperature gas cooled reactor primary loop device |
| CN115116633B (en) * | 2022-06-24 | 2023-11-03 | 华能核能技术研究院有限公司 | Helium gas diversion device of high-temperature gas cooled reactor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4243487A (en) * | 1977-05-03 | 1981-01-06 | Hochtemperatur-Kernkraftwerk Gmbh (Hkg) Gemeinsames Europaisches Unternehmen | Gas-cooled high temperature nuclear reactors |
| US4863676A (en) * | 1985-12-19 | 1989-09-05 | Proto-Power Corporation | Inherently safe, modular, high-temperature gas-cooled reactor system |
| CN1266267A (en) * | 2000-04-24 | 2000-09-13 | 清华大学 | High temp gas cooled reactor heat-exchanger equipment |
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2008
- 2008-06-24 CN CN200810115436XA patent/CN101307897B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4243487A (en) * | 1977-05-03 | 1981-01-06 | Hochtemperatur-Kernkraftwerk Gmbh (Hkg) Gemeinsames Europaisches Unternehmen | Gas-cooled high temperature nuclear reactors |
| US4863676A (en) * | 1985-12-19 | 1989-09-05 | Proto-Power Corporation | Inherently safe, modular, high-temperature gas-cooled reactor system |
| CN1266267A (en) * | 2000-04-24 | 2000-09-13 | 清华大学 | High temp gas cooled reactor heat-exchanger equipment |
Non-Patent Citations (6)
| Title |
|---|
| 厉日竹, 傅激扬, 李笑天.HTR-10蒸汽发生器设计.高技术通讯 1999年12期.1999,(1999年12期),51-54. |
| 厉日竹, 傅激扬, 李笑天.HTR-10蒸汽发生器设计.高技术通讯 1999年12期.1999,(1999年12期),51-54. * |
| 尹清辽,孙玉良,居怀明,吴莘馨,何树延.模块式高温气冷堆超临界蒸汽发生器设计.原子能科学技术40 6.2006,40(6),707～713. |
| 尹清辽,孙玉良,居怀明,吴莘馨,何树延.模块式高温气冷堆超临界蒸汽发生器设计.原子能科学技术40 6.2006,40(6),707～713. * |
| 符晓铭,王捷.高温气冷堆在我国的发展综述.现代电力23 5.2006,23(5),70-75. |
| 符晓铭,王捷.高温气冷堆在我国的发展综述.现代电力23 5.2006,23(5),70-75. * |
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| CN101307897A (en) | 2008-11-19 |
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