CN206355728U - A kind of PWR steam generator steam-water separator - Google Patents
A kind of PWR steam generator steam-water separator Download PDFInfo
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- CN206355728U CN206355728U CN201620958623.4U CN201620958623U CN206355728U CN 206355728 U CN206355728 U CN 206355728U CN 201620958623 U CN201620958623 U CN 201620958623U CN 206355728 U CN206355728 U CN 206355728U
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- steam
- water separator
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- steam generator
- vane piece
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Abstract
The utility model provides a kind of PWR steam generator steam-water separator, and it includes：Section entrance, vane piece, drip ring, weep hole and hydrophobic decline passway and outlet dash diffuser are bored, wherein the bottom of the decline passway is provided with restrictor ring.The PWR steam generator steam-water separator that the utility model is provided, improves separative efficiency, reduction resistance, less steam-water separator is met steam generator design requirement.
Description
Technical field
The utility model is related to a kind of PWR steam generator steam-water separator.
Background technology
Steam generator is heat transmission equipment between PWR nuclear power plant one, secondary circuit, for by reactor coolant
Heat is transmitted to secondary side, the water of secondary side is become steam, steam leaves steam generation after steam-water separator and drier
Driving steam turbine is generated electricity after device.
Steam-water separator is the important component of steam generator, and steam generator steam water interface passes through steam-water separation
Device carries out crude separation, reduces drier entrance steam water interface humidity, is that drier produces the qualified dry saturated steam of quality, protects
Demonstrate,prove Turbine Safety economical operation and create good condition of work.
Utility model content
The utility model in view of the shortcomings of the prior art, proposes a kind of PWR steam generator steam-water separator.
PWR steam generator steam-water separator includes：Bore section entrance, vane piece, drip ring, weep hole and it is hydrophobic under
Passage and outlet dash diffuser drop, wherein the bottom of the decline passway is provided with restrictor ring.
Preferably, using cone section entrance before the vane piece.
Preferably, the vane piece is made up of 6 bent blades positioned at SMIS cylinder.
Preferably, the entrance of the bent blade is in 90 °, and is changed with 10 ° of angle steps.
Preferably, SMIS cylinder is different from the exit angle of the bent blade at wall.
Preferably, the top of the vane piece is equipped with drip ring and is provided with a number of weep hole；The drip ring with
The decline passway connection, the bottom of the decline passway is equipped with the restrictor ring；Steam-water separator outlet sets the dash
Diffuser.
Compared with prior art, the utility model has the advantages that：
1st, the PWR steam generator steam-water separator that the utility model is provided, improves separative efficiency, reduction resistance,
Less steam-water separator is set to meet steam generator design requirement.
2nd, the PWR steam generator steam-water separator that the utility model is provided, inlet flow rate is ensured by boring section entrance
It is close with flow velocity at vane piece, and then reduce pressure drop；Vane piece is made up of 6 bent blades, and steam water interface flows through vane piece, profit
Drop is thrown to barrel with centrifugal force, separation is realized；The blade is seamlessly transitted using three sections of curved surfaces, and blade inlet is in 90 °, leaf
Piece outlet is at SMIS cylinder from using different angles at barrel；Blade inlet is in 90 °, it is possible to decrease entrance fluid energy losses, leaf
Piece outlet improves flow conductivity by using different angles, on the one hand can make outlet steam water interface flow direction preferably with
Barrel is fitted, it is to avoid fluid impact wall causes energy loss, liquid splash, on the one hand can reduce the height to form stable liquid film
Degree, improves separative efficiency.
3rd, the PWR steam generator steam-water separator that the utility model is provided, steam water interface continues up flowing,
Liquid film is segregated into decline passway through weep hole, drip ring, and weep hole is located at the position for forming stable liquid film, and drip ring is located at
At liquid film liquid-vaqor interface, drop is separated to greatest extent.
4th, the PWR steam generator steam-water separator that the utility model is provided, decline passway bottom current limiting ring makes
Flow out area and be less than area at drip ring, on the one hand can increase back pressure, adjust thickness of liquid film, on the one hand can form certain liquid
Face, prevents from carrying under gas.Through sunykatuib analysis, weep hole may separate out about 74.8% liquid with drip ring.
5th, the PWR steam generator steam-water separator that the utility model is provided, outlet sets dash disperser, can
Drop is further separated, wherein dash partial action principle is identical with drip ring, drop is separated by decline passway and discharged, declined
Channel bottom is provided with restrictor ring.Outlet disperser is mainly change steam water interface flow direction, to reduce vertical direction flow velocity, enters
And the separative efficiency in Gravity Separation area, reduction drier inlet flow rate are improved, the performance of whole water separator can be improved.Through
Sunykatuib analysis, the steam-water separator outlet vapor humidity can reach 4% or so.
Brief description of the drawings
Fig. 1 be the utility model proposes PWR steam generator steam-water separator sunykatuib analysis；
Fig. 2 be the utility model proposes PWR steam generator steam-water separator schematic diagram.
Wherein：1. bore the dash diffusion of 6. drip ring of section 2. vane piece, 3. restrictor ring, 4. weep hole, 5. decline passway 7.
Device.
Embodiment
To enable above-mentioned purpose of the present utility model, feature and advantage more obvious understandable, below in conjunction with the accompanying drawings and tool
Body embodiment is described in further detail to the utility model.
As illustrated in fig. 1 and 2, PWR steam generator steam-water separator includes：Bore section entrance, vane piece, drip ring, dredge
Water hole and hydrophobic decline passway and outlet dash diffuser, wherein the bottom of the decline passway is provided with restrictor ring.
Using cone section entrance before the vane piece, to reduce flow resistance.The vane piece is by 6 bent blades positioned at SMIS cylinder
Composition.The entrance of the bent blade is in 90 °, and changed with 10 ° of angle steps.SMIS cylinder and the bent blade at wall
Exit angle is different.The top of the vane piece is equipped with drip ring and is provided with a number of weep hole；The drip ring and institute
Decline passway connection is stated, the bottom of the decline passway is equipped with the restrictor ring；Steam-water separator outlet sets the dash to expand
Device is dissipated, liquid, uniform steam distribution can be further separated.
Steam-water separator combination property is not up to standard in steam generator will cause steam-water separation efficiency to decline, and equipment volume increases
Plus, the economic security operation of influence nuclear power station.And the PWR steam generator steam-water separator that the utility model is provided can
Separative efficiency, reduction resistance are improved, steam generator design requirement can be met using small number of steam-water separator.
Compared with prior art, the present embodiment has the advantages that：
1st, the PWR steam generator steam-water separator that the present embodiment is provided, improves separative efficiency, reduction resistance, makes
Less steam-water separator can meet steam generator design requirement.
2nd, the present embodiment provide PWR steam generator steam-water separator, by bore section entrance ensure inlet flow rate with
Flow velocity is approached at vane piece, and then reduces pressure drop；Vane piece is made up of 6 bent blades, and steam water interface flows through vane piece, utilizes
Drop is thrown to barrel by centrifugal force, realizes separation；The blade is seamlessly transitted using three sections of curved surfaces, and blade inlet is in 90 °, blade
Outlet is at SMIS cylinder from using different angles at barrel；Blade inlet is in 90 °, it is possible to decrease entrance fluid energy losses, blade
Outlet improves flow conductivity by using different angles, on the one hand can make outlet steam water interface flow direction preferably with cylinder
Wall is fitted, it is to avoid fluid impact wall causes energy loss, liquid splash, on the one hand can reduce the height to form stable liquid film,
Improve separative efficiency.
3rd, the PWR steam generator steam-water separator that the present embodiment is provided, steam water interface continues up flowing, liquid
Film is segregated into decline passway through weep hole, drip ring, and weep hole is located at the position for forming stable liquid film, and drip ring is located at liquid
At film liquid-vaqor interface, drop is separated to greatest extent.
4th, the PWR steam generator steam-water separator that the present embodiment is provided, decline passway bottom current limiting ring makes stream
Go out area less than area at drip ring, on the one hand can increase back pressure, adjust thickness of liquid film, on the one hand can form certain liquid
Face, prevents from carrying under gas.Through sunykatuib analysis, weep hole may separate out about 74.8% liquid with drip ring.
5th, the PWR steam generator steam-water separator that the present embodiment is provided, outlet sets dash disperser, can entered
One step separates drop, and wherein dash partial action principle is identical with drip ring, and drop is separated by decline passway and discharged, and declines logical
Road bottom is provided with restrictor ring.Outlet disperser is mainly change steam water interface flow direction, to reduce vertical direction flow velocity, and then
Separative efficiency, the reduction drier inlet flow rate in Gravity Separation area are improved, the performance of whole water separator can be improved.Through mould
Intend analysis, the steam-water separator outlet vapor humidity can reach 4% or so.
The embodiment of each in this specification is described by the way of progressive, and what each embodiment was stressed is and other
Between the difference of embodiment, each embodiment identical similar portion mutually referring to.For system disclosed in embodiment
For, due to corresponding to the method disclosed in Example, so description is fairly simple, related part is referring to method part illustration
.
Those skilled in the art can realize described function to each specific application using distinct methods, but
It is this realize it is not considered that beyond scope of the present utility model.
Obviously, those skilled in the art can be new without departing from this practicality to the various changes of utility model progress and modification
The spirit and scope of type.So, if these modifications and variations of the present utility model belong to the utility model claim and its
Within the scope of equivalent technologies, then the utility model is also intended to including these changes and modification.
Claims (6)
1. a kind of PWR steam generator steam-water separator, it is characterised in that including：Bore section entrance, vane piece, drip ring,
Weep hole and hydrophobic decline passway and outlet dash diffuser, wherein the bottom of the decline passway is provided with restrictor ring.
2. PWR steam generator steam-water separator according to claim 1, it is characterised in that adopted before the vane piece
With cone section entrance.
3. PWR steam generator steam-water separator according to claim 1, it is characterised in that the vane piece is by position
In 6 bent blade compositions of SMIS cylinder.
4. PWR steam generator steam-water separator according to claim 3, it is characterised in that the bent blade enters
Mouth section is in 90 °, and changed with 10 ° of angle steps.
5. PWR steam generator steam-water separator according to claim 3, it is characterised in that at SMIS cylinder and wall
The bent blade exit angle it is different.
6. PWR steam generator steam-water separator according to claim 1, it is characterised in that the vane piece it is upper
Portion is equipped with drip ring and is provided with a number of weep hole；The drip ring is connected with the decline passway, the decline passway
Bottom be equipped with the restrictor ring；Steam-water separator outlet sets the dash diffuser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620958623.4U CN206355728U (en) | 2016-08-26 | 2016-08-26 | A kind of PWR steam generator steam-water separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620958623.4U CN206355728U (en) | 2016-08-26 | 2016-08-26 | A kind of PWR steam generator steam-water separator |
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| Publication Number | Publication Date |
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| CN206355728U true CN206355728U (en) | 2017-07-28 |
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| CN201620958623.4U Active CN206355728U (en) | 2016-08-26 | 2016-08-26 | A kind of PWR steam generator steam-water separator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106345186A (en) * | 2016-08-26 | 2017-01-25 | 上海核工程研究设计院 | Pressurized water reactor steam generator steam-water separator |
-
2016
- 2016-08-26 CN CN201620958623.4U patent/CN206355728U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106345186A (en) * | 2016-08-26 | 2017-01-25 | 上海核工程研究设计院 | Pressurized water reactor steam generator steam-water separator |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee after: Shanghai Nuclear Engineering Research and Design Institute Co.,Ltd. Address before: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE |