CN203931513U - A kind of for nuclear island filtration device structure - Google Patents
A kind of for nuclear island filtration device structure Download PDFInfo
- Publication number
- CN203931513U CN203931513U CN201420150731.XU CN201420150731U CN203931513U CN 203931513 U CN203931513 U CN 203931513U CN 201420150731 U CN201420150731 U CN 201420150731U CN 203931513 U CN203931513 U CN 203931513U
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- CN
- China
- Prior art keywords
- plate
- dividing plate
- filtration device
- nuclear island
- filter screen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- Y02E30/30—Nuclear fission reactors
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- Filtration Of Liquid (AREA)
Abstract
The utility model discloses a kind of for nuclear island filtration device structure in fact, comprises filter screen unit, side plate, base plate and baffle plate, and described filter screen unit is comprised of dividing plate and pressing plate, and described modularization filter structure comprises some filter screen units.Described in several, modularization filter structure is closely connected side by side and is arranged on a side of described housing; Wherein said dividing plate is fixed on base plate by notch, and side plate is arranged on the both sides of dividing plate by notch, and pressing plate is fixed on dividing plate by notch, and side plate is arranged on the two ends of two baffle plates by notch.Adopt the utility model embodiment for nuclear island filtrator, can increase unit volume filter area, better adapt to the requirement of nuclear power plant to installing space, there is reliably connected mode easily.
Description
Technical field
The utility model relates to the core cooling system (PXS) of a kind of advanced pressurized water reactor nuclear power plant (AP1000), relate in particular to a kind of for advanced pressurized water reactor nuclear power plant for nuclear island filtration device structure.
Background technology
Occur after the accidents such as LOCA or Main steam line break in npp safety shell, core cooling system brings into operation, and makes water in containment enter reactor again reactor core is carried out to circulating cooling, to avoid reactor core major injury and containment superpressure.Due to high energy line fracture in containment, the power of spurting of cut medium will form impact failure to the japanning of insulation material, civil engineering structure and equipment around and other materials etc., thereby causes the generation of a large amount of all kinds of disintegrating slags.Must these materials be filtered by nuclear island filtrator, to guarantee that safety injection system, containment spray system normally move.So nuclear island filtrator is the important composition equipment of pressurized-water reactor nuclear power plant security system.
And conventional filter mostly is a barrel formula, as shown in Figure 1.The type filtrator is in the situation that taking same volume, and filter area is limited.Only have the layout by strengthening in containment to meet the filter area requirement of nuclear power plant to filtrator.Therefore the layout of conventional filter need to occupy suitable large space, take two generation PWR nuclear power plant be example, sump filter is arranged the ring corridor area that has occupied half.Simultaneously because circulation area is excessive, also cause by particulate and the fiber of filter screen morely, the heat that may affect reactor core is derived.
Utility model content
It is a kind of for nuclear island filtration device structure that the utility model provides, and adopts modular construction, has preferably filter area under unit volume.
The utility model is achieved through the following technical solutions: a kind of for nuclear island filtration device structure, comprise housing and several modularization filter structures.
Described in several, modularization filter structure is closely connected side by side and is arranged on a side of described housing; Wherein described in each, modularization filter structure comprises two side plates, two baffle plates, a base plate and some filter screen units; Described in each, filter screen unit is comprised of dividing plate and pressing plate, wherein said dividing plate is fixed on base plate by notch, side plate is arranged on the both sides of dividing plate by notch, pressing plate is fixed on dividing plate by notch, and side plate is arranged on the two ends of two baffle plates by notch.
The utility model further improves and is: on described dividing plate, be evenly distributed with several circular through holes.
The utility model further improves and is: on described dividing plate, have two bendings, interlude is the level of state, and two ends and interlude have certain angle, and during installation, the sideline of dividing plate contacts with side plate and forms sealing, and wherein the outstanding rectangle of separator edge is vertical with side plate.
The utility model further improves and is: on described dividing plate, have a bending and both sides at an angle, the outstanding rectangle of wherein said separator edge is vertical with side plate.
The utility model further improves and is: described dividing plate is a flat board, and centre does not have bending.
The utility model further improves and is: described dividing plate has two kinds of mounting meanss, a kind of be described filter screen unit in two dividing plates while installing bending relative, when another kind is two dividing plates installation of filter screen unit, bending is opposing.
The utility model further improves and is: described side plate is uniformly distributed circular through hole on the interval region that filter screen unit is installed, and the sideline bending of described side plate upper end at an angle.
The utility model further improves and is: described base plate is provided for the through hole of water outlet at the installed position of filter screen unit, two side bendings of wherein said base plate.
The utility model is because modularization filter structure can close arrangement, saved arrangement space, and chilled water both can enter filter body by filter screen unit, the filtration compartment that also can form by adjacent side plates enters housing, therefore taking under same volume, by adjusting the quantity of filter screen unit, change the filter area of modularization filter screen unit, also can change by changing the quantity of modularization filter structure the filter area of filtrator, therefore can meet under the prerequisite of filter area, better adapt to the requirement of nuclear power plant to installing space; In described modularization filter structure, the connection of each part relies on notch, this connected mode is reliably convenient, has got rid of the defect of the non-dismountable and environmental pollution of welding connecting mode.
Accompanying drawing explanation
Fig. 1 is the structural representation of containment sump filter in prior art;
Fig. 2 is the schematic diagram of the utility model the first embodiment modularization filter structure;
Fig. 3 is the blast structural representation of filter element in the utility model the first embodiment modularization filter structure;
Fig. 4 is part connected mode schematic diagram in the utility model embodiment;
Fig. 5 is the structural representation of base plate in the utility model the first embodiment;
Fig. 6 is the two-dimensional representation of two of the utility model the first embodiment row of modular filter structure;
Fig. 7 is the sectional view of Fig. 6 AA;
Fig. 8 is the two-dimensional representation of two of the utility model the second embodiment row of modular filter structure;
Fig. 9 is the two-dimensional representation of two of the utility model the 3rd embodiment row of modular filter structure;
Figure 10 is the two-dimensional representation of two of the utility model the 4th embodiment row of modular filter structure;
Figure 11 is the structural representation of the utility model the first embodiment nuclear island filtrator;
Wherein 10-modularization filter structure, 11-housing, 101-filter screen unit, 102-side plate, 103-base plate, 104-baffle plate, 1011-dividing plate, 1012-pressing plate.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Fig. 2,3,4,5,6,7,8,9,10,11, a kind of of the present embodiment filters recirculated cooling water for nuclear island filtration device structure, comprise a plurality of modularization filter structures 10 and housing 11, described modularization filter structure 10 is arranged on a side of described housing 11, a plurality of modularization filter structures 10 are closely connected side by side, side sheet room form to filter compartment, and described modularization filter structure 10 is comprised of two side plates 102, two baffle plates 104, base plate 103 and a plurality of filter screen unit 101.
Described modularization filter structure 10 latus inframediums 102 have two, can exchange.In described modularization filter structure, baffle plate 104 has two, can exchange.Dividing plate 1011 in described filter screen unit 101 has two, can exchange.
In described modularization filter structure 10, the connection of each part relies on the notch of part self, some rectangular blocks are evenly given prominence at the edge of a part, through after the rectangular channel of another part by the bending of rectangular block both sides of edges, the i.e. assembling of two parts, after described rectangular block and bending thereof, effect is shown in Fig. 4.
First some dividing plates 1011 are fixed on base plate 103 by notch, again two side plates 102 are arranged on to the both sides of dividing plate 1011 by notch, then pressing plate 1012 is fixed on dividing plate 1011 by notch, finally by notch, two baffle plates 104 are arranged on to the two ends of side plate 102, complete the installation of modularization filter structure 10.
On the dividing plate 1011 of the modularization filter structure 10 of described the first embodiment, be evenly distributed with the through hole of many circles, this dividing plate is reticulated, play a role in filtering.On dividing plate 1011, have two bendings, interlude is the level of state, and two ends and interlude have 4E00 to determine angle, and during installation, the sideline of dividing plate 1011 contacts with side plate 102, forms sealing.In addition, the outstanding rectangle of separator edge is parallel with the interlude of dividing plate, vertical with side plate 102, is convenient to install.
The side plate 102 of the modularization filter structure 10 of described the first embodiment is evenly distributed with the through hole of many circles at the interval region that filter screen unit is installed, this side plate is played a role in filtering.Side plate 102 sideline, upper end bending certain angles play sealing process after a plurality of module filter structure assemblings.
The base plate 103 of the modularization filter structure of described the first embodiment has two triangle through holes at the installed position of filter screen unit, for water outlet; Two side bendings of base plate 103, use and the intensity of strengthening base plate, referring to Fig. 5.
The modularization filter structure of the utility model the first embodiment in the specific implementation, described filter screen unit 101, side plate 102 and base plate 103 form an enclosure space, chilled water enters from the manhole of dividing plate 1011, and the through hole from base plate 103 flows out, and enters in the housing 11 of filtrator; In the middle of two adjacent side plates 102 of adjacent two modularization filter structures 10, form space, chilled water is side inflow space from biside plate, from side plate bottom, flows out and enters in the housing 11 of filtrator, referring to Fig. 6 and Fig. 7.
In conjunction with referring to Fig. 8, dividing plate 1011 installation directions in the filter screen unit 101 of the utility model modularization filter structure 10 are contrary with the first embodiment, and base plate 103 apopores are distributed in the centre position of base plate.
In conjunction with referring to Fig. 9, in the middle of the dividing plate 1011 of the filter screen unit 101 of the utility model modularization filter structure 10, have and only have one bending.
In conjunction with referring to Figure 10, the dividing plate 1011 of the filter screen unit 101 of the utility model modularization filter structure 10 is a flat board, there is no bending, and the apopore on base plate 103 can be rectangle, and this kind of embodiment makes part processing simpler, cuts down finished cost.
The utility model embodiment discloses a kind of nuclear island filtration device structure, because modularization filter structure 10 can close arrangement, saved arrangement space, and chilled water both can enter filter body by filter screen unit, the filtration compartment that also can form by adjacent side plates enters housing, therefore taking under same volume, the filter area of the nuclear island filtrator of the utility model embodiment is far longer than the filter area of existing nuclear island filtrator; The utility model embodiment can change by adjusting the quantity of filter screen unit the filter area of modularization filter screen unit, also can change by changing the quantity of modularization filter structure the filter area of filtrator, therefore can meet under the prerequisite of filter area, better adapt to the requirement of nuclear power plant to installing space; In described modularization filter structure, the connection of each part relies on notch, this connected mode is reliably convenient, has got rid of the defect of the non-dismountable and environmental pollution of welding connecting mode.
Above disclosed is only a kind of preferred embodiment of the present utility model, certainly can not limit according to this utility model interest field, and the equivalent variations of therefore doing according to the utility model claim, still belongs to the scope that the utility model is contained.
Claims (8)
1. for a nuclear island filtration device structure, comprise housing (11) and several modularization filter structures, it is characterized in that: described in several, modularization filter structure 10 is closely connected side by side and is arranged on a side of described housing (11); Wherein described in each, modularization filter structure (10) comprises two side plates (102), two baffle plates (104), a base plate (103) and some filter screen units (101); Filter screen unit described in each (101) is comprised of dividing plate (1011) and pressing plate (1012), wherein said dividing plate (1011) is fixed on base plate (103) by notch, side plate (102) is arranged on the both sides of dividing plate (1011) by notch, it is upper that pressing plate (1012) is fixed on dividing plate (1011) by notch, and side plate (102) is arranged on the two ends of two baffle plates (104) by notch.
2. as claimed in claim 1 a kind of for nuclear island filtration device structure, it is characterized in that: on described dividing plate (1011), be evenly distributed with several circular through holes.
3. as claimed in claim 1 a kind of for nuclear island filtration device structure, it is characterized in that: on described dividing plate (1011), have two bendings, interlude is the level of state, two ends and interlude have certain angle, the sideline of dividing plate during installation (1011) contacts with side plate (102) and forms sealing, and the outstanding rectangle at its median septum (1011) edge is vertical with side plate (102).
4. a kind of for nuclear island filtration device structure as claimed in claim 1, it is characterized in that: on described dividing plate (1011), have a bending and both sides at an angle, the outstanding rectangle at wherein said dividing plate (1011) edge is vertical with side plate (102).
5. a kind of for nuclear island filtration device structure as claimed in claim 1, it is characterized in that: described dividing plate (1011) is a flat board, and centre does not have bending.
6. a kind of for nuclear island filtration device structure as described in claim 4 or 5, it is characterized in that: described dividing plate (1011) has two kinds of mounting meanss, a kind of be described filter screen unit (101) in two dividing plates (1011) while installing bending relative, when another kind is two dividing plates (1011) installation of filter screen unit (101), bending is opposing.
7. a kind of for nuclear island filtration device structure as described in claim 1 or 2 or 3, it is characterized in that: described side plate (102) is uniformly distributed circular through hole on the interval region that filter screen unit (101) is installed, and described side plate (102) sideline, upper end bending at an angle.
8. a kind of for nuclear island filtration device structure as described in claim 1 or 2 or 3, is characterized in that: described base plate (103) is provided for the through hole of water outlet at the installed position of filter screen unit (101) two side bendings of wherein said base plate (103).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420150731.XU CN203931513U (en) | 2014-03-31 | 2014-03-31 | A kind of for nuclear island filtration device structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420150731.XU CN203931513U (en) | 2014-03-31 | 2014-03-31 | A kind of for nuclear island filtration device structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203931513U true CN203931513U (en) | 2014-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420150731.XU Expired - Fee Related CN203931513U (en) | 2014-03-31 | 2014-03-31 | A kind of for nuclear island filtration device structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103854707A (en) * | 2014-03-31 | 2014-06-11 | 中国能建集团装备有限公司南京技术中心 | Structure for nuclear island filter |
-
2014
- 2014-03-31 CN CN201420150731.XU patent/CN203931513U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103854707A (en) * | 2014-03-31 | 2014-06-11 | 中国能建集团装备有限公司南京技术中心 | Structure for nuclear island filter |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 Termination date: 20180331 |