CN105448364A - Fuel storage grid assembly - Google Patents
Fuel storage grid assembly Download PDFInfo
- Publication number
- CN105448364A CN105448364A CN201511017180.5A CN201511017180A CN105448364A CN 105448364 A CN105448364 A CN 105448364A CN 201511017180 A CN201511017180 A CN 201511017180A CN 105448364 A CN105448364 A CN 105448364A
- Authority
- CN
- China
- Prior art keywords
- bunkering
- chamber
- base
- screen work
- base plate
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C19/00—Arrangements for treating, for handling, or for facilitating the handling of, fuel or other materials which are used within the reactor, e.g. within its pressure vessel
- G21C19/02—Details of handling arrangements
- G21C19/06—Magazines for holding fuel elements or control elements
- G21C19/07—Storage racks; Storage pools
-
- 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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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Auxiliary Methods And Devices For Loading And Unloading (AREA)
Abstract
The invention provides a fuel storage grid assembly. The fuel storage grid assembly comprises a fuel storage cavity, a base and a connecting device, wherein a positioning hole is formed in the base; the lower end of the fuel storage cavity is inserted in the positioning hole; the connecting device is used for detachably connecting the fuel storage cavity and the base. According to the fuel storage grid assembly, the positioning hole is formed in a bottom plate and used for accurately positioning the fuel storage cavity, so that the assembly accuracy is improved, and the perpendicularity between the fuel storage cavity and the bottom plate can be effectively guaranteed.
Description
Technical field
The present invention relates to a kind of bunkering screen work assembly.
Background technology
Spent fuel storage rack is positioned at Spent fuel pit, and the irradiated fuel assembly be mainly used in as drawing off reactor core provides storage space.Spent fuel storage rack belongs to antidetonation class Ⅰ equipment, to require between SSE earthquake period or afterwards, can holding structure integrality keep its due function.
Spent fuel storage rack is made up of parts such as bunkering chamber, coaming plate, bearing, base plates.For depositing and protecting the bunkering screen work body construction of fuel assembly, not only to ensure sufficient intensity, reliability, be beneficial to convection current cooling, also will be easy to processing, reduce welding deformation.
All kinds of bunkering screen work of the prior art in the fabrication process, bunkering chamber and base plate generally adopt Type of Welding, there is the problems such as welding capacity is large, welding difficulty is high, bunkering chamber is yielding, need unit clamp and welding robot, cause manufacturing process complicated.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, propose a kind of bunkering screen work assembly.
Bunkering screen work assembly comprises:
Bunkering chamber;
Base; Described base is provided with pilot hole; The lower end in described bunkering chamber is planted with in described pilot hole;
Coupling arrangement; Described coupling arrangement is used for described bunkering chamber and described base to removably connect.
Preferably, described coupling arrangement comprises bolt; Described bolt runs through the base plate in described base and described bunkering chamber successively, is connected in described bunkering chamber with described base.
Preferably, pad is provided with between described bolt and described base.
Preferably, screwed one end of described bolt does not exceed the upper surface of the base plate in described bunkering chamber.
Preferably, the discharge orifice on the base plate in described bunkering chamber and the discharge orifice on described base is in the same size and position corresponding.
Preferably, the both sides of the base plate in described bunkering chamber are welded with the both sides of described base.
Compared with prior art, the present invention has following beneficial effect:
1, bunkering screen work assembly provided by the invention, by arranging pilot hole on base plate, accurately locates for by bunkering chamber, improves assembly precision, and effectively can ensure the verticality between bunkering chamber and base plate.
2, bunkering screen work assembly provided by the invention, the single bunkering chamber in bunkering screen work is connected with base plate respectively by bolt, decreases welding technology, reduces manufacture difficulty, improve production efficiency.
3, bunkering screen work assembly provided by the invention, bolt head is positioned at below base plate, and the threaded end of bolt does not exceed plane on the base plate of bunkering chamber, avoids interfering with the fuel assembly bottom nozzle in bunkering chamber.
4, bunkering screen work assembly provided by the invention, the discharge orifice on the base plate of bunkering chamber and the discharge orifice on screen work base plate in the same size, threaded connection hole is positioned at the surrounding of discharge orifice.
5, bunkering screen work assembly provided by the invention, bunkering chamber is welded or other connected mode with can adopt between storage chamber.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of the bunkering screen work assembly meeting the preferred embodiment of the present invention.
Fig. 2 is the partial sectional view of structure shown in Fig. 1.
Another angle schematic diagram that Fig. 3 is structure shown in Fig. 2.
Fig. 4 is the cut-open view of the base plate meeting the preferred embodiment of the present invention.
Embodiment
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, and below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
As Figure 1-4, bunkering screen work assembly comprises:
Bunkering chamber 1;
Base 2; Described base 2 is provided with pilot hole 21; The lower end in described bunkering chamber 1 is planted with in described pilot hole 21;
Coupling arrangement; Described coupling arrangement is used for described bunkering chamber and described base to removably connect.
Preferably, described coupling arrangement comprises bolt 4; Described bolt 4 runs through the base plate 11 in described base 2 and described bunkering chamber successively, is connected in described bunkering chamber 1 with described base 2.
Preferably, pad 3 is provided with between described bolt 4 and described base 2.
Preferably, screwed one end of described bolt 4 does not exceed the upper surface of the base plate 11 in described bunkering chamber.
Preferably, the discharge orifice 12 on the base plate 11 in described bunkering chamber and the discharge orifice 22 on described base 2 is in the same size and position corresponding.
Preferably, the both sides of the base plate 11 in described bunkering chamber are welded with the both sides of described base.
Compared with prior art, the present invention has following beneficial effect:
1, bunkering screen work assembly provided by the invention, by arranging pilot hole on base plate, accurately locates for by bunkering chamber, improves assembly precision, and effectively can ensure the verticality between bunkering chamber and base plate.
2, bunkering screen work assembly provided by the invention, the single bunkering chamber in bunkering screen work is connected with base plate respectively by bolt, decreases welding technology, reduces manufacture difficulty, improve production efficiency.
3, bunkering screen work assembly provided by the invention, bolt head is positioned at below base plate, and the threaded end of bolt does not exceed plane on the base plate of bunkering chamber, avoids interfering with the fuel assembly bottom nozzle in bunkering chamber.
4, bunkering screen work assembly provided by the invention, the discharge orifice on the base plate of bunkering chamber and the discharge orifice on screen work base plate in the same size, threaded connection hole is positioned at the surrounding of discharge orifice.
5, bunkering screen work assembly provided by the invention, bunkering chamber is welded or other connected mode with can adopt between storage chamber.
In this instructions, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.For system disclosed in embodiment, owing to corresponding to the method disclosed in Example, so description is fairly simple, relevant part illustrates see method part.
Those skilled in the art can use distinct methods to realize described function to each specifically should being used for, but this realization should not thought and exceeds scope of the present invention.
Obviously, those skilled in the art can carry out various change and modification to invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (6)
1. a bunkering screen work assembly, is characterized in that, comprising:
Bunkering chamber;
Base; Described base is provided with pilot hole; The lower end in described bunkering chamber is planted with in described pilot hole;
Coupling arrangement; Described coupling arrangement is used for described bunkering chamber and described base to removably connect.
2. bunkering screen work assembly as claimed in claim 1, it is characterized in that, described coupling arrangement comprises bolt; Described bolt runs through the base plate in described base and described bunkering chamber successively, is connected in described bunkering chamber with described base.
3. bunkering screen work assembly as claimed in claim 2, is characterized in that, be provided with pad between described bolt and described base.
4. bunkering screen work assembly as claimed in claim 2, it is characterized in that, screwed one end of described bolt does not exceed the upper surface of the base plate in described bunkering chamber.
5. bunkering screen work assembly as claimed in claim 1, is characterized in that, the discharge orifice on the base plate in described bunkering chamber and the discharge orifice on described base is in the same size and position corresponding.
6. bunkering screen work assembly as claimed in claim 1, it is characterized in that, the both sides of the base plate in described bunkering chamber are welded with the both sides of described base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511017180.5A CN105448364A (en) | 2015-12-29 | 2015-12-29 | Fuel storage grid assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511017180.5A CN105448364A (en) | 2015-12-29 | 2015-12-29 | Fuel storage grid assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105448364A true CN105448364A (en) | 2016-03-30 |
Family
ID=55558459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511017180.5A Pending CN105448364A (en) | 2015-12-29 | 2015-12-29 | Fuel storage grid assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105448364A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107093477A (en) * | 2017-04-07 | 2017-08-25 | 中国核电工程有限公司 | A kind of bushing type bunkering screen work |
| CN108708891A (en) * | 2018-05-22 | 2018-10-26 | 广东核电合营有限公司 | Spent Fuel Pool dilatation screen work attachment device and attaching method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5311563A (en) * | 1991-10-16 | 1994-05-10 | Siemens Aktiengesellschaft | Storage frame for nuclear reactor fuel assemblies |
| JPH10227890A (en) * | 1996-12-13 | 1998-08-25 | Nuclear Fuel Ind Ltd | Spent fuel rack |
| CN101777394A (en) * | 2009-01-09 | 2010-07-14 | Cci公开股份有限公司 | Storage rack arrangement for the storage of nuclear fuel elements |
| CN102460599A (en) * | 2009-04-10 | 2012-05-16 | 株式会社东芝 | Used-fuel storage rack |
| CN102479560A (en) * | 2010-11-23 | 2012-05-30 | 大连创达技术交易市场有限公司 | Spent fuel storage grillwork for nuclear power station |
| CN102737741A (en) * | 2012-07-12 | 2012-10-17 | 中广核工程有限公司 | Spent fuel storage framework of nuclear power plant |
| JP2013246014A (en) * | 2012-05-25 | 2013-12-09 | Hitachi-Ge Nuclear Energy Ltd | Fuel storage rack |
| CN205881481U (en) * | 2015-12-29 | 2017-01-11 | 上海核工程研究设计院 | Fuel storage screen work subassembly |
-
2015
- 2015-12-29 CN CN201511017180.5A patent/CN105448364A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5311563A (en) * | 1991-10-16 | 1994-05-10 | Siemens Aktiengesellschaft | Storage frame for nuclear reactor fuel assemblies |
| JPH10227890A (en) * | 1996-12-13 | 1998-08-25 | Nuclear Fuel Ind Ltd | Spent fuel rack |
| CN101777394A (en) * | 2009-01-09 | 2010-07-14 | Cci公开股份有限公司 | Storage rack arrangement for the storage of nuclear fuel elements |
| CN102460599A (en) * | 2009-04-10 | 2012-05-16 | 株式会社东芝 | Used-fuel storage rack |
| CN102479560A (en) * | 2010-11-23 | 2012-05-30 | 大连创达技术交易市场有限公司 | Spent fuel storage grillwork for nuclear power station |
| JP2013246014A (en) * | 2012-05-25 | 2013-12-09 | Hitachi-Ge Nuclear Energy Ltd | Fuel storage rack |
| CN102737741A (en) * | 2012-07-12 | 2012-10-17 | 中广核工程有限公司 | Spent fuel storage framework of nuclear power plant |
| CN205881481U (en) * | 2015-12-29 | 2017-01-11 | 上海核工程研究设计院 | Fuel storage screen work subassembly |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107093477A (en) * | 2017-04-07 | 2017-08-25 | 中国核电工程有限公司 | A kind of bushing type bunkering screen work |
| CN108708891A (en) * | 2018-05-22 | 2018-10-26 | 广东核电合营有限公司 | Spent Fuel Pool dilatation screen work attachment device and attaching method thereof |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160330 |
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| WD01 | Invention patent application deemed withdrawn after publication |