CN208570130U - A kind of novel reactor core filter device - Google Patents
A kind of novel reactor core filter device Download PDFInfo
- Publication number
- CN208570130U CN208570130U CN201821155532.2U CN201821155532U CN208570130U CN 208570130 U CN208570130 U CN 208570130U CN 201821155532 U CN201821155532 U CN 201821155532U CN 208570130 U CN208570130 U CN 208570130U
- Authority
- CN
- China
- Prior art keywords
- tube body
- spring
- reactor core
- filter
- receiving portion
- 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.)
- Withdrawn - After Issue
Links
- 230000006835 compression Effects 0.000 claims abstract description 17
- 238000007906 compression Methods 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 230000001154 acute effect Effects 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 4
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
Classifications
-
- 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
Landscapes
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The utility model discloses a kind of novel reactor core filter devices, in the reactor core of presurized water reactor comprising: device noumenon (1) comprising spring receiving portion (10), the first tube body (11) and the second tube body (12) for setting gradually and being connected to；Compression bar (2), the compression bar (2) is arranged in the spring receiving portion (10) and the first tube body (11), its first end extends in second tube body (12), the first end is fixedly installed two panels garter spring piece (21), its second end is provided with operation handle (20), is contained on the position of spring receiving portion (10) and is fixed with one against piece (22)；Second tube body (12) lower part is provided with relief hole (120), wears for the end of the garter spring piece (21) and exposes the second tube body (12) outside.Implement the utility model, have many advantages, such as convenient for installation and maintenance, filter effect is good and safety is good.
Description
Technical field
The utility model relates to technical field of nuclear power, more particularly to a kind of novel reactor core filter device.
Background technique
In-pile component filter assemblies are mounted in in-pile component reactor core lower plate, for retaining the foreign matter in major loop.
Existing some in-pile component filter assemblies are usually monolithic construction, need the mode compressed by using screw thread
It is fixed with reactor core lower plate.The place but existing this structure comes with some shortcomings, firstly, installation is more complicated,
It is more troublesome to carry out maintenance update；In addition, if there are when larger foreign matter, may blocking filter screen in major loop, or it is broken
Bad filter screen, so that foreign matter be made to enter in steam generator, there are biggish security risks.
Utility model content
Technical problem to be solved by the utility model is to provide a kind of novel reactor core filter devices, have installation
It is easy to maintain, the advantages that filter effect is good and safety is good.
In order to solve the above technical problems, the utility model embodiment provides a kind of novel reactor core filter device, for pressing water
In the reactor core of heap, include at least:
Device noumenon comprising spring receiving portion, the first tube body and the second tube body for setting gradually and being connected to, the bullet
It is provided with spring in spring receiving portion, filter screen is provided in first tube body, is provided with filter plate in second tube body, institute
It states and is provided with multiple filter hole on filter plate；
Compression bar, the compression bar are arranged in the spring receiving portion and the first tube body, and first end extends to described
In two tube bodies, the first end is fixedly installed two panels garter spring piece；Its second end is provided with operation handle；It is contained in bullet
One is fixed on the position of spring receiving portion against piece；
Wherein, the spring is set on the compression bar, and its one end far from first tube body and described against piece
It leans；The caliber of first tube body is greater than the caliber of second tube body, and first tube body and second tube body connect
The place of connecing forms abutment face；Second tube body lower part is provided with relief hole, wears for the end of the garter spring and exposes institute
It states outside the second tube body.
Wherein, described two two panels garter spring pieces are in an acute angle, and each tight spring leaf is towards the end of the relief hole
Portion is upward.
Wherein, it is provided with tightening slot on second inboard wall of tube body and the relief hole same plane, for the clamping
The end of spring against.
Wherein, discharge orifice is arranged at intervals on the outer wall of first tube body.
Wherein, the intracorporal filter screen of the first pipe covers the discharge orifice.
Wherein, the outer diameter of second tube body and the through-hole internal diameter of reactor core lower plate are adapted.
Wherein, it is located on second tube body on the position below the filter plate and is provided with water inlet.
Implement the utility model, have it is following the utility model has the advantages that
Implement device provided by the utility model, by being provided with filter plate at water inlet end, the can be carried out to foreign matter
Then the filtering of one step is further filtered by filter screen again；So as to ensure nuclear steam supply system string wash, it is cold
Soft, hard foreign matter in heat run is all trapped in underseal head cavity (the second tube body), prevents hardware damage nuclear steam supply system
Component devices, filter effect is good and safe enough；
Meanwhile the filter element of the utility model can change according to the size of panel aperture under reactor core, to adapt to different shaped
Number presurized water reactor unit；
In addition, the device of the utility model and the installation maintenance process of core bottom are very easy, in actual application
In, it can quickly install in the only hole of monomer, can also will carry out integral installation after multiple be combined；It is also possible to pass through length
The installation of bar tool progress certain distance.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of longitudinal section view of one embodiment of novel reactor core filter device provided by the utility model；
Fig. 2 is the sectional view along A-A of Fig. 1.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1, being a kind of vertical profile view of one embodiment of novel reactor core filter device provided by the utility model
Figure；Together as shown in connection with fig. 2.In this embodiment, the novel reactor core filter device is used in the reactor core of presurized water reactor, feature
It is, includes at least:
Device noumenon 1 comprising spring receiving portion 10, the first tube body 11 and the second tube body for setting gradually and being connected to
12；Spring 4 is provided in the spring receiving portion 10；Multiple discharge orifices are arranged at intervals on the outer wall of first tube body 11
110, first tube body 11 is internally provided with filter screen 3；Filter plate 5, the filter plate 5 are provided in second tube body 12
On be provided with multiple filter hole 50；
Compression bar 2, the compression bar 2 are arranged in the spring receiving portion 10 and the first tube body 11, and first end extends to
In second tube body 12, the first end is fixedly installed two panels garter spring piece 21, and second end is provided with operation handle
20, it is contained on the position of spring receiving portion 10 and is fixed with one against piece 22；
Wherein, the spring 4 is set on the compression bar 2, the spring 4 one end and institute far from first tube body 11
It states and leans against piece 22；The caliber of first tube body 11 is greater than the caliber of second tube body 12, first tube body 11
Abutment face 112 is formed with 12 junction of the second tube body；Second tube body, 12 lower part is provided with relief hole 120, for described
The end of garter spring piece 21 wears and exposes outside second tube body 12.
Wherein, the two panels garter spring piece 21 is in an acute angle, and each tight spring leaf 21 is towards the relief hole 120
End is upward.
Wherein, it is provided with tightening slot 121 on 12 inner wall of the second tube body and 120 same plane of relief hole, supplies
The end of the garter spring piece 21 against.
Wherein, the filter plate 5 is located at the downside of the first end of the compression bar 2.
Wherein, the filter screen 3 in first tube body 11 covers the discharge orifice 110.
Wherein, the outer diameter of second tube body 12 and the through-hole internal diameter of reactor core lower plate 5 are adapted.
Wherein, it is located on the position below the filter plate 5 in second tube body 12 and is provided with water inlet (not shown).
It is understood that following installations and use process for briefly introducing device provided by the utility model.
Novel reactor core filter device is mounted on 4 holes in reactor core lower plate corresponding to every group fuel assembly in reactor
It is interior.Before the hole of insertion reactor core lower plate, the two panels clamping leaf spring 21 of 2 end of compression bar is accommodated into tightening slot 121, at this time
The torsional spring of two panels clamping leaf spring 21 is in contraction state.When inserting in the hole, it connect the first tube body 11 with, the second tube body 12
After the upper surface fitting for locating the abutment face 112 formed and reactor core lower plate 5, it is pressed downward operation handle 20, receives clamping leaf spring 21
It is reduced to a certain degree, clamping leaf spring 21 is skidded off from tightening slot 121.Then operation handle 20 is rotated by 90 °, compression bar 2 drives
Clamping leaf spring 21 is also rotated by 90 °, so that clamping leaf spring 21 be made to be directed at relief hole 120.Operation handle 20 is unclamped, at this point, bullet
Spring 4 drives compression bar 2 to rise, and the torsional spring of clamping leaf spring 21 also starts to release stress, to make clamping leaf spring 21 from relief hole
120 stretch out, and end is bonded with 5 lower surface of reactor core lower plate, to realize the compression of filter device.
When starting to work, water flow (such as coolant) enters novel reactor core filter device, when in water flow there are when foreign matter,
Can once be filtered in the filter hole 50 of the filter plate 5 of device lower part, biggish foreign matter is filtered, and lesser foreign matter into
It is filtered after entering filter device by closeer filter screen 3, so that reaching prevents foreign matter from entering steam generator.So as to avoid
In the prior art because larger foreign matter destroys filter screen because blocking filter screen, enter foreign matter in steam generator.
It is understood that in other examples, it can be that 4 novel reactor core filter devices can be combined into one
The new filter device of monoblock type, to increase the safety of filter device.
Implement the utility model, have it is following the utility model has the advantages that
Implement device provided by the utility model, by being provided with filter plate at water inlet end, the can be carried out to foreign matter
Then the filtering of one step is further filtered by filter screen again；So as to ensure nuclear steam supply system string wash, it is cold
Soft, hard foreign matter in heat run is all trapped in underseal head cavity (the second tube body), prevents hardware damage nuclear steam supply system
Component devices, filter effect is good and safe enough；
Meanwhile the filter element of the utility model can change according to the size of panel aperture under reactor core, to adapt to different shaped
Number presurized water reactor unit；
In addition, the device of the utility model and the installation maintenance process of core bottom are very easy, in actual application
In, it can quickly install in the only hole of monomer, can also will carry out integral installation after multiple be combined；It is also possible to pass through stock
The installation of tool progress certain distance.
Above disclosed is only a kind of preferred embodiment of the utility model, certainly cannot be practical to limit with this
Novel interest field, therefore equivalent variations made according to the claim of the utility model still belong to what the utility model was covered
Range.
Claims (7)
1. a kind of novel reactor core filter device, in the reactor core of presurized water reactor, which is characterized in that it is included at least:
Device noumenon (1) comprising spring receiving portion (10), the first tube body (11) and the second tube body for setting gradually and being connected to
(12)；Spring 4 is provided in the spring receiving portion (10)；Multiple streams are arranged at intervals on the outer wall of first tube body (11)
Water hole (110), first tube body (11) are internally provided with filter screen (3)；Second tube body (12) is inner to be provided with filter plate
(5), multiple filter hole (50) are provided on the filter plate (5)；
Compression bar (2), the compression bar (2) are arranged in the spring receiving portion (10) and the first tube body (11), and first end is prolonged
It extends in second tube body (12), the first end is fixedly installed two panels garter spring piece (21), and second end is provided with
Operation handle (20) is contained on the position of spring receiving portion (10) and is fixed with one against piece (22)；
Wherein, the spring 4 is set on the compression bar (2), the spring 4 one end and institute far from first tube body (11)
It states and leans against piece (22)；The caliber of first tube body (11) be greater than second tube body (12) caliber, described first
Tube body (11) and the second tube body (12) junction form abutment face 112；Second tube body (12) lower part is provided with release
Hole (120) wears for the end of the garter spring piece (21) and exposes the second tube body (12) outside.
2. device as described in claim 1, which is characterized in that the two panels garter spring piece (21) is in an acute angle, and each
Tight spring leaf (21) towards the end of the relief hole (120) upward.
3. device as claimed in claim 2, which is characterized in that in the second tube body (12) inner wall and the relief hole
(120) be provided on same plane tightening slot (121), for the garter spring piece (21) end against.
4. device as claimed in claim 3, which is characterized in that the filter plate (5) is located at the first end of the compression bar (2)
Downside.
5. device as claimed in claim 4, which is characterized in that the filter screen (3) in first tube body (11) covers
The discharge orifice (110).
6. device as claimed in claim 5, which is characterized in that the outer diameter of second tube body (12) and the through-hole of reactor core lower plate
Internal diameter is adapted.
7. device as claimed in claim 6, which is characterized in that in the case where second tube body (12) is located at the filter plate (5)
Water inlet is provided on the position of side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821155532.2U CN208570130U (en) | 2018-07-20 | 2018-07-20 | A kind of novel reactor core filter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821155532.2U CN208570130U (en) | 2018-07-20 | 2018-07-20 | A kind of novel reactor core filter device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208570130U true CN208570130U (en) | 2019-03-01 |
Family
ID=65446874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821155532.2U Withdrawn - After Issue CN208570130U (en) | 2018-07-20 | 2018-07-20 | A kind of novel reactor core filter device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208570130U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109036604A (en) * | 2018-07-20 | 2018-12-18 | 中广核研究院有限公司 | A kind of novel reactor core filter device |
-
2018
- 2018-07-20 CN CN201821155532.2U patent/CN208570130U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109036604A (en) * | 2018-07-20 | 2018-12-18 | 中广核研究院有限公司 | A kind of novel reactor core filter device |
| CN109036604B (en) * | 2018-07-20 | 2024-01-16 | 中广核研究院有限公司 | Reactor core filtering device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190301 Effective date of abandoning: 20240116 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190301 Effective date of abandoning: 20240116 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |