CN203458911U - Wavelike steam-water separation plate and dryer in steam generator of nuclear power station - Google Patents
Wavelike steam-water separation plate and dryer in steam generator of nuclear power station Download PDFInfo
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- CN203458911U CN203458911U CN201320435610.5U CN201320435610U CN203458911U CN 203458911 U CN203458911 U CN 203458911U CN 201320435610 U CN201320435610 U CN 201320435610U CN 203458911 U CN203458911 U CN 203458911U
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Abstract
The utility model discloses a wavelike steam-water separation plate and a dryer in a steam generator of a nuclear power station. The wavelike steam-water separation plate comprises a wavelike plate with a plurality of zigzagged angles, multiple layers of the wavelike plates are arranged in the dryer of the steam generator, and steam flows from a steam inlet end to a steam outlet end in the wave extension direction of the wavelike plate; the wavelike steam-water separation plate also comprises a plurality of drainage hook plates which are fixed at two sides of the wavelike plate in the wave extension direction of the wavelike plate, each drainage hook plate comprises at least one flat part and a hook-like part, the flat part is fixed with the surface of the wavelike plate, at least one hook-like part has a gap with the wavelike plate, and a gap is kept between two adjacent hook-like parts of two adjacent drainage hook plates at the same side of the wavelike plate in the wave extension direction of the wavelike plate. The wavelike steam-water separation plate can effectively increase the working medium critical flow velocity and improve the steam-water separation efficiency.
Description
Technical field
The present invention relates to field of pressurized water reactor nuclear, be specifically related to waveform carbonated drink separating plate and drier in a kind of nuclear power station steam generator.
Background technology
Steam generator (hereinafter to be referred as SG) is the capital equipment that nuclear power plant adopts.The steam meeting the demands for obtaining mass dryness fraction, SG on heating surface bank top to being furnished with successively steam-water separator and drier between steam (vapor) outlet.Wherein, the structure that drier generally adopts a plurality of plate box-likes of built-in waveform carbonated drink separating plate to become is carried out carbonated drink separation.
The carbonated drink separation principle of waveform carbonated drink separating plate is: in the passage that moist steam forms at waveform carbonated drink separating plate, move along a curved path, under the resistance of inertia force, steam or the acting in conjunction of the power such as drag force, gravity and buoyancy, part drop in steam will be attached to and on waveform carbonated drink separating plate, forms moisture film and collected by hydrophobic ditch, and moisture film constantly flows downward and converges rear discharge by deadweight.
The important parameter of weighing waveform carbonated drink separating plate performance is separative efficiency and critical flow velocity.Separative efficiency and critical flow velocity are higher, and the steam inlet humidity that monolithic waveform carbonated drink separating plate allows and load are just higher, tackle identical separation requirement, can reduce waveform carbonated drink separating plate quantity and drier volume, thereby reduce SG equipment size.Under certain entrance flox condition, the separative efficiency of waveform carbonated drink separating plate and critical flow velocity are by its structures shape.The separative efficiency of current waveform carbonated drink separating plate is not very high, and therefore urgently a kind of waveform carbonated drink separating plate with higher carbonated drink separative efficiency is applied in drier.
Summary of the invention
The technical problem that will solve of the present invention is to provide the waveform carbonated drink separating plate in a kind of nuclear power station steam generator, and it has higher carbonated drink separative efficiency and working medium critical flow velocity, the invention provides the drier of this waveform carbonated drink separating plate of a kind of application simultaneously.
In order to solve the problems of the technologies described above, technical scheme of the present invention is, waveform carbonated drink separating plate in a kind of nuclear power station steam generator, comprise the ripple formboard with several angle of banks, described ripple formboard multilayer is arranged in dryer for steam generator, and steam is mobile to the steam output end of the other end along the steam upstream end of this waveform shape Lamb wave bearing of trend one end;
Also comprise several hydrophobic hook plates that are fixed on ripple formboard both sides along described waveform shape Lamb wave bearing of trend; Described hydrophobic hook plate comprises at least one smooth part and a unci, and described smooth part is fixed with described ripple formboard plate face, and described at least one unci and ripple formboard leave gap; Along described waveform shape Lamb wave bearing of trend and between the adjacent hook portion of two adjacent hydrophobic hook plates of ripple formboard homonymy, leave gap.
Described ripple formboard comprises and is positioned at its two ends the slab construction parallel with described waveform shape Lamb wave bearing of trend, also comprises the waveform configuration being formed by 7～9 angle of banks that connects described two ends slab construction.
Between the adjacent hook portion of two adjacent hydrophobic hook plates, stay gapped distance for being hydrophobic width, described hydrophobic width is 4mm～12mm.
The acute angle angle of the ripple formboard plate face at described angle of bank place and described waveform shape Lamb wave bearing of trend is 30 °～32 °.
Described adjacent two angle of banks are half-wavelength along the distance of described waveform shape Lamb wave bearing of trend, and described half-wavelength is 16mm～25mm.
Described angle of bank is 7.
First angle of bank starting from steam upstream end to the half-wavelength of steam output end is respectively L1, L2, L3, L4, L5, L6, L7, and L7<L1<L2<L3=L5LEs sT.LTssT.LTL6=L4.
The hydrophobic width that is positioned at ripple formboard one side from steam upstream end to steam output end is w1, w3, w5, w7, the hydrophobic width of opposite side is w2, w4, w6, and w5=w6>w1>w2=w4GreatT.GreaT.G Tw3>w7.
A kind of drier being applied in nuclear power station steam generator, comprise several plate boxes, described plate box is rectangular structure, it comprises three directions of length, in plate box, be provided with multilayer each other along the even interval of length direction and the waveform carbonated drink separating plate of erectting along high direction, the waveform bearing of trend of described waveform carbonated drink separating plate is along cross direction;
Described waveform carbonated drink separating plate comprises the ripple formboard with several angle of banks, and described ripple formboard multilayer is arranged in dryer for steam generator, and steam is mobile to the steam output end of the other end along the steam upstream end of this waveform shape Lamb wave bearing of trend one end;
Also comprise several hydrophobic hook plates that are fixed on ripple formboard both sides along described waveform shape Lamb wave bearing of trend; Described hydrophobic hook plate comprises at least one smooth part and a unci, and described smooth part is fixed with described ripple formboard plate face, and described at least one unci and ripple formboard leave gap; Along described waveform shape Lamb wave bearing of trend and between the adjacent hook portion of two adjacent hydrophobic hook plates of ripple formboard homonymy, leave gap.
Described plate box is 12, and wherein 6 plate boxes are overlapped to form and are " * " shape, other 6 plate boxes around and be fixed on described in to be 6 plate boxes of " * " shape peripheral and be regular hexagon shape.
Waveform carbonated drink separating plate and drier in a kind of nuclear power station steam generator of the present invention, can effectively improve working medium critical flow velocity and carbonated drink separative efficiency.
Accompanying drawing explanation
Fig. 1 is nuclear power station steam generator structural representation;
Fig. 2 is the end face schematic diagram of drier in nuclear power station steam generator;
Fig. 3 is the part sectioned view of desiccator plate box in nuclear power station steam generator;
Fig. 4 is a kind of waveform carbonated drink separating plate end face schematic diagram that is applied to drier in nuclear power station steam generator of the present invention;
Fig. 5 is a kind of waveform carbonated drink separating plate side schematic view that is applied to drier in nuclear power station steam generator of the present invention;
Fig. 6 is a kind of ripple formboard plate face of waveform carbonated drink separating plate and acute angle angle schematic diagram of ripple formboard bearing of trend that is applied to drier in nuclear power station steam generator of the present invention;
Fig. 7 is the half-wavelength schematic diagram of the ripple formboard of a kind of waveform carbonated drink separating plate that is applied to drier in nuclear power station steam generator of the present invention;
Fig. 8 is a kind of adjacent two drain port width indication figure that hydrophobic hook plate forms of homonymy that are applied to the waveform carbonated drink separating plate of drier in nuclear power station steam generator of the present invention;
In figure, 1-steam generator, 101-pressure vessel, 102-steam-water separator, 103-drier, 104-steam (vapor) outlet, 105-is to water ring, 106-secondary cooling water entrance, 107-tube bank, 108-primary cooling water enters chamber, 109-primary cooling water output chamber, 110-primary cooling water entrance, the outlet of 111-primary cooling water, 2-plate box, 201-perforation, 202-undulating path, 3-waveform carbonated drink separating plate, 301-ripple formboard, the hydrophobic hook plate of 302-, 303-distance block, 4-steam upstream end, 5-steam output end.
The specific embodiment
Below in conjunction with drawings and Examples, the present invention is described further.
In Fig. 1, show a kind of example of steam generator, this steam generator 1 comprises tube bank 107, and this tube bank 107 is arranged on the bottom of pressure vessel 101 inner sides, and is immersed in secondary cooling water.Tube bank 107 is made into inverted U-shaped, one end thereof is connected on primary cooling water inlet plenum 108 with fluid mode of communicating, and another one end is connected on primary cooling water output chamber 109 with fluid mode of communicating, described primary cooling water enters chamber 108 and is communicated with reactor heat pipe section by primary cooling water entrance 110, and described primary cooling water output chamber 109 exports 111 by primary cooling water and is communicated with reactor cold leg.A plurality of centrifugal steam purifiers 102 are arranged on the top of pressure vessel 101 inner sides, are positioned at the top of tube bank 107, are especially arranged in the surface of the secondary cooling water that is contained in pressure vessel 101.A drier 103 is arranged on the top of steam-water separator 102, has applied waveform carbonated drink separating plate of the present invention on this drier 103.
The primary cooling water of high temperature is fed into primary cooling water and enters in chamber 108, and this primary cooling water is heated by reactor core in nuclear reactor.Primary cooling water enters chamber 108 from primary cooling water and flows to primary cooling water output chamber 109 by restraining 107.On the contrary, secondary cooling water is by secondary cooling water entrance 106 and be imported into the surrounding of the interior tube bank 107 of pressure vessel 101 to water ring 105, and wherein, secondary cooling water entrance 106 is arranged on pressure vessel 101.At primary cooling water, flow through in the process of tube bank 107, by carrying out heat exchange with primary cooling water, the secondary cooling water being contained in pressure vessel 101 is heated.Thus, by secondary cooling water, produce steam.
Fig. 2 shows the top view of drier 103, and it comprises 12 plate boxes 2, and wherein 6 plate boxes 2 are overlapped to form and are " * " shape, and other 6 plate boxes 2, around 6 plate box 2 peripheries of " * " shape of above-mentioned being, are roughly regular hexagon shape;
Fig. 3 shows the part section of described plate box, and described plate box 2 is rectangular structure, and it comprises three directions of length, i.e. L direction, H direction, W direction; In plate box 2, be provided with multilayer each other along the even interval of L direction and the waveform carbonated drink separating plate 3 of erectting along H direction, the waveform bearing of trend of described waveform carbonated drink separating plate 3 is along W direction;
As shown in Figure 4, Figure 5, between adjacent two layers waveform carbonated drink separating plate 3, by point, be welded in along waveform carbonated drink separating plate 3 two ends of W direction and along the spaced apart a plurality of distance blocks of H direction 303 intervals and spacing, thereby formed a plurality of undulating paths along W direction.By carrying out with primary cooling water the steam S that heat exchange produces, flow through to be arranged on a plurality of perforation 201 of plate box side and by the undulating path forming between waveform carbonated drink separating plate 3, and flow out from opposite side.At steam S, flow through in the process of undulating path 202, the drop being contained in steam S is separated, and turns back to and in pressure vessel 101, is loaded with secondary cooling water lower area.
The waveform carbonated drink separating plate that is applied to dryer for steam generator of the present invention, multilayer is arranged between the steam upstream end 4 and steam output end 5 in dryer for steam generator, comprise the ripple formboard 301 being formed by several angle of banks, along described ripple formboard 301 ripple bearing of trends, be fixed on several hydrophobic hook plates 302 of ripple formboard 301 both sides;
Described hydrophobic hook plate 302 comprises at least one smooth part and a unci, described smooth part is fixed with described ripple formboard 301 plate millet cake solid weldings, and described at least one unci does not contact with ripple formboard 301 compared with described ripple formboard 301 plate face perks; Along distances described ripple formboard 301 ripple bearing of trends and between the adjacent hook portion of two of ripple formboard 301 homonymies adjacent hydrophobic hook plates 302, be hydrophobic width, described hydrophobic width selection range is 4mm～12mm;
Described angle of bank is 7～9;
The selection range of the ripple formboard 301 plate faces at described angle of bank place and the acute angle angle d of described ripple formboard 301 ripple bearing of trends is 30 °～32 °;
Described adjacent two angle of banks are along the distance of described ripple formboard 301 ripple bearing of trends, and the half-wavelength of described ripple formboard 301 is 16mm～25mm;
As shown in Fig. 4 to Fig. 8, showing particularly described ripple formboard 301 has 7 angle of banks, and its two ends are fixed as the slab construction parallel with described ripple formboard 301 ripple bearing of trends for the ease of spacing; And there is shown three kinds of difform hydrophobic hook plates 302, the hydrophobic hook plate 302 of steam upstream end comprises 2 smooth parts and 1 unci; The hydrophobic hook plate 302 of steam output end comprises a smooth part and 1 unci; During the wave regions of ripple formboard 301 in being formed by 7 angle of banks, described hydrophobic hook plate 302 comprises 1 smooth part and 2 uncis; As shown in Figure 7, first angle of bank starting from steam upstream end 4 to the half-wavelength of steam output end is respectively L1, L2, L3, L4, L5, L6, L7, and L7<L1<L2<L3=L5LEs sT.LTssT.LTL6=L4; The hydrophobic width that is positioned at ripple formboard 301 homonymies that starts to start to steam output end 5 from steam upstream end 4 is as shown in Figure 8 w1, w3, w5, w7, the hydrophobic width of opposite side is w2, w4, w6, and w5=w6>w1>w2=w4GreatT.GreaT.G Tw3>w7; Being designed with is like this beneficial near the collection of the large drop of steam upstream end 4 and hydrophobic, and near the collection of the droplet of steam output end 5 and hydrophobic, thereby better realizes the function of the separated and dry steam of drier carbonated drink.
Claims (10)
1. the waveform carbonated drink separating plate in a nuclear power station steam generator, it is characterized in that: comprise the ripple formboard with several angle of banks, described ripple formboard multilayer is arranged in dryer for steam generator, and steam is mobile to the steam output end of the other end along the steam upstream end of this waveform shape Lamb wave bearing of trend one end;
Also comprise several hydrophobic hook plates that are fixed on ripple formboard both sides along described waveform shape Lamb wave bearing of trend; Described hydrophobic hook plate comprises at least one smooth part and a unci, and described smooth part is fixed with described ripple formboard plate face, and described at least one unci and ripple formboard leave gap; Along described waveform shape Lamb wave bearing of trend and between the adjacent hook portion of two adjacent hydrophobic hook plates of ripple formboard homonymy, leave gap.
2. according to waveform carbonated drink separating plate claimed in claim 1, it is characterized in that: described ripple formboard comprises and is positioned at its two ends the slab construction parallel with described waveform shape Lamb wave bearing of trend, also comprises the waveform configuration being formed by 7～9 angle of banks that connects described two ends slab construction.
3. according to waveform carbonated drink separating plate claimed in claim 2, it is characterized in that: between the adjacent hook portion of two adjacent hydrophobic hook plates, stay gapped distance for being hydrophobic width, described hydrophobic width is 4mm～12mm.
4. according to waveform carbonated drink separating plate claimed in claim 3, it is characterized in that: the acute angle angle of the ripple formboard plate face at described angle of bank place and described waveform shape Lamb wave bearing of trend is 30 °～32 °.
5. according to waveform carbonated drink separating plate claimed in claim 4, it is characterized in that: described adjacent two angle of banks are half-wavelength along the distance of described waveform shape Lamb wave bearing of trend, and described half-wavelength is 16mm～25mm.
6. according to waveform carbonated drink separating plate claimed in claim 5, it is characterized in that: described angle of bank is 7.
7. according to waveform carbonated drink separating plate claimed in claim 6, it is characterized in that: first angle of bank starting from steam upstream end to the half-wavelength of steam output end is respectively L1, L2, L3, L4, L5, L6, L7, and L7<L1<L2<L3=L5LEs sT.LTssT.LTL6=L4.
8. according to waveform carbonated drink separating plate claimed in claim 6, it is characterized in that: the hydrophobic width that is positioned at ripple formboard one side from steam upstream end to steam output end is w1, w3, w5, w7, the hydrophobic width of opposite side is w2, w4, w6, and w5=w6>w1>w2=w4GreatT.GreaT.G Tw3>w7.
9. the drier being applied in nuclear power station steam generator, it is characterized in that: comprise several plate boxes, described plate box is rectangular structure, it comprises three directions of length, in plate box, be provided with multilayer each other along the even interval of length direction and the waveform carbonated drink separating plate of erectting along high direction, the waveform bearing of trend of described waveform carbonated drink separating plate is along cross direction;
Described waveform carbonated drink separating plate comprises the ripple formboard with several angle of banks, and described ripple formboard multilayer is arranged in dryer for steam generator, and steam is mobile to the steam output end of the other end along the steam upstream end of this waveform shape Lamb wave bearing of trend one end;
Also comprise several hydrophobic hook plates that are fixed on ripple formboard both sides along described waveform shape Lamb wave bearing of trend; Described hydrophobic hook plate comprises at least one smooth part and a unci, and described smooth part is fixed with described ripple formboard plate face, and described at least one unci and ripple formboard leave gap; Along described waveform shape Lamb wave bearing of trend and between the adjacent hook portion of two adjacent hydrophobic hook plates of ripple formboard homonymy, leave gap.
10. according to drier claimed in claim 9, it is characterized in that: described plate box is 12, wherein 6 plate boxes are overlapped to form and are " * " shape, other 6 plate boxes around and be fixed on described in to be 6 plate boxes of " * " shape peripheral and be regular hexagon shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320435610.5U CN203458911U (en) | 2013-07-22 | 2013-07-22 | Wavelike steam-water separation plate and dryer in steam generator of nuclear power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320435610.5U CN203458911U (en) | 2013-07-22 | 2013-07-22 | Wavelike steam-water separation plate and dryer in steam generator of nuclear power station |
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| Publication Number | Publication Date |
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| CN203458911U true CN203458911U (en) | 2014-03-05 |
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| CN201320435610.5U Expired - Lifetime CN203458911U (en) | 2013-07-22 | 2013-07-22 | Wavelike steam-water separation plate and dryer in steam generator of nuclear power station |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104324556A (en) * | 2013-07-22 | 2015-02-04 | 中国核动力研究设计院 | Wavelike steam-water separation plate and dryer in steam generator of nuclear power station |
| CN105135410A (en) * | 2015-09-21 | 2015-12-09 | 上海东海压力容器制造有限公司 | Corrugated plate assembly for dryer of ACP1000 nuclear power vapor generator |
| CN107485928A (en) * | 2014-06-25 | 2017-12-19 | 普尔利斯（中国）环保分离设备制造有限公司 | For double pouch-type blade-type separators from gas separation liquid |
| CN109893914A (en) * | 2019-02-12 | 2019-06-18 | 中广核工程有限公司 | A kind of pouch-type corrugated sheet drier for pressurized water reactor nuclear power station steam generator |
-
2013
- 2013-07-22 CN CN201320435610.5U patent/CN203458911U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104324556A (en) * | 2013-07-22 | 2015-02-04 | 中国核动力研究设计院 | Wavelike steam-water separation plate and dryer in steam generator of nuclear power station |
| CN104324556B (en) * | 2013-07-22 | 2016-08-31 | 中国核动力研究设计院 | Waveform steam-water separation plate in a kind of nuclear power station steam generator and drier |
| CN107485928A (en) * | 2014-06-25 | 2017-12-19 | 普尔利斯（中国）环保分离设备制造有限公司 | For double pouch-type blade-type separators from gas separation liquid |
| CN105135410A (en) * | 2015-09-21 | 2015-12-09 | 上海东海压力容器制造有限公司 | Corrugated plate assembly for dryer of ACP1000 nuclear power vapor generator |
| CN109893914A (en) * | 2019-02-12 | 2019-06-18 | 中广核工程有限公司 | A kind of pouch-type corrugated sheet drier for pressurized water reactor nuclear power station steam generator |
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Granted publication date: 20140305 |