CN104766640A - Nuclear fuel fast transfer device - Google Patents
Nuclear fuel fast transfer device Download PDFInfo
- Publication number
- CN104766640A CN104766640A CN201510097507.8A CN201510097507A CN104766640A CN 104766640 A CN104766640 A CN 104766640A CN 201510097507 A CN201510097507 A CN 201510097507A CN 104766640 A CN104766640 A CN 104766640A
- Authority
- CN
- China
- Prior art keywords
- carrier
- track
- upset
- nuclear fuel
- transhipment
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- 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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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
- G21C19/18—Apparatus for bringing fuel elements to the reactor charge area, e.g. from a storage place
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- 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
-
- 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
- G21C19/32—Apparatus for removing radioactive objects or materials from the reactor discharge area, e.g. to a storage place; Apparatus for handling radioactive objects or materials within a storage place or removing them therefrom
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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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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
- Platform Screen Doors And Railroad Systems (AREA)
Abstract
The invention relates to a nuclear fuel fast transfer device, which consists of a transfer channel (1) connecting a reactor building and a fuel building and a transport bogie (2) doing reciprocating motion in the transfer channel (1). The nuclear fuel fast transfer device is characterized in that it also includes a track (4) and temporary storage units (5) respectively arranged in the reactor building and the fuel building. The track (4) consists of a transfer track (4-1) running through the transfer channel (1) and conveying tracks (4-2) that are respectively disposed in the two temporary storage units (5) and connected to two ends of the transfer track (4-1) respectively. With the device provided by the invention, the reactor building loading-unloading operation, passing of loaders through the transfer channel and fuel building loading-unloading operation that originally need sequential completion can be carried out mutually independent and simultaneously, thus enhancing the work efficiency in a nuclear power plant refueling period, and providing equipment support for improving the power plant economical efficiency and reducing the staff occupational radiation dose.
Description
Technical field
The invention belongs to nuclear fuel storage and equipment technology field of transport, be specifically related to a kind of nuclear fuel rapid transport device.
Background technology
In nuclear power engineering design, regularly must carry out the replacing of nuclear fuel.Nuclear power plant reloads in process, first the irradiated fuel assembly in reactor building to be loaded carrier, long and narrow transhipment passage is run through by travelling bogie, irradiated fuel assembly is drawn off after entering fuel factory building, lifting is positioned in storage screen work, again fresh fuel is taken out from fuel factory building, utilize fuel transfer device to send into reactor building, be placed on assigned address according to predetermined Core Design scheme.
In existing Class PWR Plants, fuel transfer device adopts the design of single-line railway usually, the on-the-spot operator being positioned at reactor building and fuel factory building must wait for that fuel transfer device completes whole two-way process, could start the fuel assembly lifting of a new round.Along with the raising of nuclear power station design power, stage of reloading needs the fuel assembly quantity changed significantly to increase, to reload time lengthening, no matter be economy of power plant, or the irradiation dose accumulation of site operation personnel, all be encountered by new problem, need research and development nuclear fuel assembly conveyer method and equipment more efficiently.
Summary of the invention
For the defect existed in prior art, the object of this invention is to provide a kind of nuclear fuel rapid transport device, adopt this device can realize nuclear power plant and to reload the parallel work-flow of technique, improve work efficiency, reduce operating cost.
For reaching above object, the technical solution used in the present invention is: a kind of nuclear fuel rapid transport device, comprise be connected to transhipment passage between reactor building and fuel factory building and can be reciprocating in transhipment passage travelling bogie, also comprise track and be located at the temporary storage location in reactor building and fuel factory building respectively; Described track comprises and runs through the transhipment transhipment track of passage and two groups and to be located at respectively in two temporary storage locations and the transmission track be connected with transhipment track two ends respectively.
Further, transhipment track is linear path, often organizing transmission track is " returning " font cover rail, and " returning " font cover rail divides upper and lower two-layer, upper strata is trapped orbit, lower floor is sliding rail, and on sliding rail, compartment of terrain is provided with some locating grooves, and the both sides of each carrier are respectively equipped with the locating shaft overlapping the locating groove on the sliding rail of rail with " returning " font and match.
Further again, described device also comprise for loaded with nuclear fuel assembly carrier and be located at the switching mechanism in transhipment exit, passage two ends, carrier can be turned to by the vertical state be on travelling bogie the horizontality that is on transmission track or be turned to the vertical state be on travelling bogie by the horizontality be on transmission track by described switching mechanism.
Further, described switching mechanism comprises upset cutting ferrule and upset hoist cable, the upset motor for carrying carrier upset and suspends post in midair, and the output shaft of upset motor is connected with suspention post; Upset hoist cable is made up of hoist cable A, B that two overlap independently adjustable in length, and hoist cable A, B one end is separately connected with the side of upset cutting ferrule respectively, and hoist cable A, B other end is separately connected with suspention post respectively; The sidewall that upset two of cutting ferrule is relative has the open slot matched with carrier both sides locating shaft, and the entrance area of open slot is provided with the boot section that wide-mouth reduces.
Again further, travelling bogie is provided with the locating groove matched with carrier both sides locating shaft.
The present invention is by setting up switching mechanism and the temporary storage location of carrier, and be " returning " zig-zag path of similar streamline form by the Track desigh being positioned at temporary storage location, the technological process of reloading of the serial that must adopt under existing weaponry and equipment condition is made to change operating procedure parallel more efficiently into, by the transporter improved, the reactor building dress discharging operations that needs order originally completes can be realized, carrier passes through the separate of the dress discharging operations of transhipment passage and fuel factory building and carries out simultaneously, improve the work efficiency during nuclear power plant reloads, for improving economy of power plant, reduce staff's occupational radiation dose and provide equipment Safeguard.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of nuclear fuel assembly transporter provided by the invention, is the object of clear display, omits switching mechanism in Fig. 1;
Fig. 2 shows the fit system of the transmission track of carrier and track in Fig. 1;
Fig. 3 is that the H of Fig. 2 is to schematic diagram;
Fig. 4 shows the application and uses switching mechanism carrier to be turned to the mode of operation of vertical state from horizontal attitude;
Fig. 5 shows the application and uses switching mechanism carrier to be turned to the mode of operation of horizontality from vertical attitude;
Fig. 6 (1)-6 (6) is the view of travelling bogie when arriving several exemplary position, and in figure, A, B, C, D, E, F, G represent that being in circulation reloads the carrier at technique diverse location place respectively.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
As shown in Figure 1, a kind of nuclear fuel rapid transport device provided by the present invention, comprise be connected to transhipment passage between reactor building (not shown) and fuel factory building (not shown) 1 and can be reciprocating in transhipment passage 1 travelling bogie 2, also comprise track 4 and be located at the temporary storage location 5 (illustrate only a temporary storage location in Fig. 1) in reactor building and fuel factory building respectively; Described track 4 comprises transhipment track 4-1 and transmission track 4-2, wherein transports track 4-1 and runs through transhipment passage 1, and transmission track 4-2 is located at respectively in two temporary storage locations 5 and is also connected with transhipment track 4-1 two ends respectively.
In a preferred embodiment, transhipment track 4-1 is linear path, and transmission track 4-2 is " returning " font cover rail.This " time " font cover rail completes from entering temporary storage location 5 to the overall process circulation of sailing out of for guiding carrier 3.
In the present invention, the similar continuous print travelling belt of transmission track 4-2 itself, be divided into upper and lower two-layer, lower floor is the trapped orbit 4-22 of load-bearing, upper strata is the sliding rail 4-21 that carrier 3 can be driven to move in a circle, and the sliding rail 4-21 on upper strata is provided with locating groove 4-210 every certain distance, and this locating groove 4-210 is used for the location of single carrier 3, the general assembly (TW) that carrier 3 adds fuel assembly can be born, and have certain design capacity; Correspondingly, carrier 3 is provided with the locating shaft 3-1 matched with locating groove 4-210 on sliding rail 4-21 outside two relative sides.The assembling form of transmission track 4-2 and carrier 3 is shown in Fig. 2, and when carrier 3 is placed on transmission track 4-2, the locating shaft 3-1 of carrier 3 is convex outside the locating groove 4-210 of transmission track 4-2.
Along with the circular motion that sliding rail 4-21 on transmission track 4-2 carries out, transmission track 4-2 will drive a series of carrier 3 with the steady movement at the uniform velocity of fixed intervals.
In addition, the carrier 3 that device of the present invention can also comprise for loaded with nuclear fuel assembly is (not shown in Fig. 1 with the switching mechanism being located at transhipment exit, passage 1 two ends, concrete structure is shown in Fig. 2,3), carrier 3 can be turned to by the vertical state be on travelling bogie 2 horizontality that is on transmission track 4-2 or be turned to the vertical state be on travelling bogie 2 by the horizontality be on transmission track 4-2 by described switching mechanism.
Under preferable case, described switching mechanism can comprise upset cutting ferrule 6 and upset hoist cable, the upset motor for carrying carrier upset and suspend post 8 in midair, and the output shaft of upset motor is connected with suspention post 8; Upset hoist cable is made up of hoist cable A 7-1, the hoist cable B 7-2 that two overlap independently adjustable in length, hoist cable A7-1, hoist cable B 7-2 one end are separately connected with the side of upset cutting ferrule respectively, and hoist cable A 7-1, the hoist cable B 7-2 other end are separately connected with suspention post 8 respectively; The sidewall that upset two of cutting ferrule 6 is relative has the open slot 6-1 matched with carrier 3 both sides locating shaft 3-1, and the entrance area of open slot 6-1 is provided with the boot section 6-10 that wide-mouth reduces.When carrier 3 is loaded in upset cutting ferrule 6, the locating shaft 3-1 of carrier 3 is convex outside the open slot 6-1 of upset cutting ferrule 6.
The present invention, by the separate hoist cable A 7-1 of two series of upset hoist cable and hoist cable B 7-2, by adjusting the length of two cover hoist cable A 7-1 and hoist cable B 7-2, can realize the upset height of cutting ferrule 6 and the adjustment of attitude.Structure and the principle of work of a whole set of switching mechanism are shown in Fig. 4,5.
Fig. 4 illustrates method carrier 3 being turned to vertical state from horizontal attitude, namely carrier 3 is under the propelling movement of travelling bogie 2, enter the upset cutting ferrule 6 that horizontal attitude is placed, arrive at after bottom upset cutting ferrule 6, trigger the travel switch that upset cutting ferrule 6 is built-in, start switching mechanism, by tightening up upset hoist cable A 7-1, unclamp upset hoist cable B 7-2, can realize overturning cutting ferrule 6 and overturn together with the attitude of its inside carrier 3, become vertical state.Owing to overturning the thickness less (namely the degree of depth of open slot 6-1 is less) of cutting ferrule 6, locating shaft 3-1 on carrier 3 can protrude from outside upset cutting ferrule 6, utilize this point, locating shaft 3-1 can be positioned in the locating groove 4-210 on the sliding rail 4-21 of transmission track 4-2, then make upset cutting ferrule 6 exit, complete a complete set of flow process shifted from travelling bogie 2 to transmission track 4-2 by carrier 3.
Fig. 5 illustrates method carrier 3 being turned to horizontality from vertical attitude; namely first the upset cutting ferrule 6 of vertical state is aimed at bottom carrier 3; rise; complete interim loading and protection to carrier 3, fix; then upset hoist cable B 7-2 is tightened up; unclamp upset hoist cable A 7-1, can realize overturning cutting ferrule 6 and overturn together with the attitude of its inside carrier 3, become horizontality.In order to by carrier 3 pull-out from upset cutting ferrule 6, be similar to the locating groove 4-210 that sliding rail 4-21 is arranged, can the locating groove matched with the locating shaft 3-1 of carrier 3 be set on travelling bogie 2.Owing to overturning the thickness less (namely the thickness of open slot 6-1 is less) of cutting ferrule 6, the locating shaft 3-1 of carrier 3 can protrude from outside upset cutting ferrule 6, utilize this point, can the locating shaft 3-1 of carrier 3 be positioned in the locating groove on travelling bogie 2, by travelling bogie 2 by carrier 3 level pull-out upset cutting ferrule 6, complete a complete set of flow process shifted from transmission track 4-2 to travelling bogie 4 by carrier 3.
Device of the present invention is unusual convenient and efficient when operating, and is described below in conjunction with Fig. 6 (1)-6 (6).A, B, C, D, E, F, G on Fig. 6 (1)-6 (6) represent the carrier being in and circulating and reload in technique.
As shown in Fig. 6 (1), when the carrier 3 that travelling bogie 2 load level is placed arrives the temporary storage location 5 of side through transhipment passage 1, the upset of the carrier 3 (as A) of horizontality can be vertical state by the switching mechanism in transhipment passage 1 exit, facilitates power plant operator loaded by fuel assembly or hang out carrier 3; As shown in Fig. 6 (2), when carrier 3 (as D) completes " returning " zig-zag path of transmission track 4-2, when preparation enters transhipment passage 1, vertical carrier 3 can overturn as horizontal (see Fig. 6 (3)) by switching mechanism, facilitates carrier 3 to carry travelling bogie 2 smoothly through transhipment passage 1; As shown in Fig. 6 (4), when the carrier 3 that travelling bogie 2 load level is placed arrives the temporary storage location 5 of transhipment passage 1 opposite side, the upset of the carrier 3 (as D) of horizontality can be vertical state by the switching mechanism in transhipment passage 1 exit; As shown in Fig. 6 (5), when carrier 3 (as G) completes " returning " zig-zag path of track 4-2, when preparation enters transhipment passage 1, vertical carrier 3 can overturn as horizontal (see Fig. 6 (6)) by switching mechanism.In the process, the operator being positioned at reactor building and fuel factory building can continue lifting and the charge and discharge operations of implementing fuel, and travelling bogie also can carry out the reciprocal transport of carrier simultaneously.
Structure of the present invention is not limited to the embodiment described in embodiment, and those skilled in the art's technical scheme according to the present invention draws and other embodiment belongs to technological innovation scope of the present invention equally.
Claims (5)
1. a nuclear fuel rapid transport device, comprise be connected to transhipment passage (1) between reactor building and fuel factory building and can be reciprocating in transhipment passage (1) travelling bogie (2), it is characterized in that, described device also comprises track (4) and is located at the temporary storage location (5) in reactor building and fuel factory building respectively; Described track (4) comprises the transhipment track (4-1) that runs through transhipment passage (1) and two groups and to be located at respectively in two temporary storage locations (5) and the transmission track (4-2) be connected with transhipment track (4-1) two ends respectively.
2. a kind of nuclear fuel rapid transport device according to claim 1, it is characterized in that, transhipment track (4-1) is linear path, often organize transmission track (4-2) for " returning " font cover rail, and " returning " font cover rail divides, lower two-layer, upper strata is sliding rail (4-21), lower floor is trapped orbit (4-22), the upper compartment of terrain of sliding rail (4-21) is provided with some locating grooves (4-210), the both sides of each carrier (3) are respectively equipped with the locating shaft (3-1) overlapping the locating groove (4-210) on the sliding rail (4-21) of rail with " returning " font and match.
3. a kind of nuclear fuel rapid transport device according to claim 1 and 2, it is characterized in that, described device also comprise for loaded with nuclear fuel assembly carrier (3) and be located at the switching mechanism in transhipment passage (1) exit, two ends, carrier (3) can be turned to by the vertical state be on travelling bogie (2) horizontality that is on transmission track (4-2) or be turned to the vertical state be on travelling bogie (2) by the horizontality be on transmission track (4-2) by described switching mechanism.
4. a kind of nuclear fuel rapid transport device according to claim 3, is characterized in that,
Described switching mechanism comprises upset cutting ferrule (6) and upset hoist cable, the upset motor for carrying carrier upset and suspends post (8) in midair, and the output shaft of upset motor is connected with suspention post (8);
Upset hoist cable is made up of hoist cable A, B (7-1,7-2) that two overlap independently adjustable in length, the respective one end of hoist cable A, B (7-1,7-2) is connected with the side of upset cutting ferrule respectively, the respective other end of hoist cable A, B (7-1,7-2) respectively with suspend post (8) in midair and be connected;
The sidewall that upset cutting ferrule (6) two is relative has the open slot (6-1) matched with carrier (3) both sides locating shaft (3-1), and the entrance area of open slot (6-1) is provided with the boot section (6-10) that wide-mouth reduces.
5. a kind of nuclear fuel rapid transport device according to claim 4, is characterized in that, travelling bogie (2) is provided with the locating groove matched with carrier (3) both sides locating shaft (3-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510097507.8A CN104766640B (en) | 2015-03-05 | 2015-03-05 | A kind of nuclear fuel rapid transport device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510097507.8A CN104766640B (en) | 2015-03-05 | 2015-03-05 | A kind of nuclear fuel rapid transport device |
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| Publication Number | Publication Date |
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| CN104766640A true CN104766640A (en) | 2015-07-08 |
| CN104766640B CN104766640B (en) | 2017-10-24 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105161153A (en) * | 2015-08-06 | 2015-12-16 | 中国核电工程有限公司 | Nuclear fuel element transferring apparatus |
| CN105803869A (en) * | 2016-05-24 | 2016-07-27 | 中国核动力研究设计院 | Overturning folding rail for receiving hot cell |
| CN106935295A (en) * | 2015-12-31 | 2017-07-07 | 中核建中核燃料元件有限公司 | A kind of fuel rod automatic box packing device |
| CN107610794A (en) * | 2017-10-13 | 2018-01-19 | 四川大学 | Electron gun repair apparatus under a kind of nuclear radiation environment |
| CN107610795A (en) * | 2017-10-13 | 2018-01-19 | 四川大学 | Electron gun repair apparatus under a kind of nuclear radiation environment |
| CN109930758A (en) * | 2019-03-01 | 2019-06-25 | 中国核工业华兴建设有限公司 | Tilting nuclear power station transport channel system and its construction method |
| CN113284639A (en) * | 2020-12-31 | 2021-08-20 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Refueling system of multi-box transfer mode of marine nuclear power platform |
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| CN103219056A (en) * | 2013-03-29 | 2013-07-24 | 中国核电工程有限公司 | Fuel transfer device, and control system and control method for relay driving of conveying bogie thereof |
| CN204596434U (en) * | 2015-03-05 | 2015-08-26 | 中国核电工程有限公司 | A kind of nuclear fuel rapid transport device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105161153A (en) * | 2015-08-06 | 2015-12-16 | 中国核电工程有限公司 | Nuclear fuel element transferring apparatus |
| CN106935295A (en) * | 2015-12-31 | 2017-07-07 | 中核建中核燃料元件有限公司 | A kind of fuel rod automatic box packing device |
| CN105803869A (en) * | 2016-05-24 | 2016-07-27 | 中国核动力研究设计院 | Overturning folding rail for receiving hot cell |
| CN107610794A (en) * | 2017-10-13 | 2018-01-19 | 四川大学 | Electron gun repair apparatus under a kind of nuclear radiation environment |
| CN107610795A (en) * | 2017-10-13 | 2018-01-19 | 四川大学 | Electron gun repair apparatus under a kind of nuclear radiation environment |
| CN107610795B (en) * | 2017-10-13 | 2023-09-19 | 四川大学 | Electron gun overhauling equipment under nuclear radiation environment |
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| CN109930758A (en) * | 2019-03-01 | 2019-06-25 | 中国核工业华兴建设有限公司 | Tilting nuclear power station transport channel system and its construction method |
| CN109930758B (en) * | 2019-03-01 | 2020-08-25 | 中国核工业华兴建设有限公司 | Inclined nuclear power station transportation channel system and construction method thereof |
| CN113284639A (en) * | 2020-12-31 | 2021-08-20 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Refueling system of multi-box transfer mode of marine nuclear power platform |
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|---|---|
| CN104766640B (en) | 2017-10-24 |
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