JPS5932894A - Nuclear fuel hanging and transporting device - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a nuclear refueling rod used for exchanging fuel in a fast breeder reactor. The dimensions related to the transfer device are also L7).

Fast breeder reactor type H1 is launched by force (J place υτ circle I/).
Fuel exchange is done by nuclear/fuel lifting/transfer/transfer equipment.)
f1 core I], (7) IUV of fuel (nuclear fuel assembly)
Output and furnace 1.・-\ loading is done, 1:
r) iv ノ, (Ritefu・1), A conventional nuclear fuel suspension transfer device (σ) is shown in Figure 1. , shellfish (4), the fuel 1
)・■Put the nuclear fuel assembly (5) through the tool (4) 2 at -1F.
The wire lobe (6) to be created, winds up the wire lobe (6), unwinds it, -f winds it up (3+,
and a pulley (2) on which a wire rope (6) is hung.
The hanging f! Ill VC interposed 4) From the low I cell (1) to the second line (3), the winding and unwinding operation of the vertical line (6) (/co up) The nuclear fuel assembly (5) is moved by 10 toes, and when the nuclear fuel is suspended by the driving mechanism and the whole is moved at 1ε position (a), the reactor core of the nuclear fuel assembly (5) is moved. Loading and removal from the core
.

It's a cow, a nuclear/fuel assembly (5) (, ], 2 2 figure fA + concave] - than Takumi's many combustion F + rods (ria), it's a Dalit F who wrapped it d).

(5h), fuel tomometer B11 'N' (5c)
and fuel, 14)/.

Department (5d) or E-) 1. C, the nuclear fuel suspension R
' When loading and unloading υζ of one nuclear 1g fuel 1F coalescence (5) using the feeding device ff(σ)L, 1~, drying with the adjacent nuclear fuel assembly i*, 3.) 2. For getting caught etc.
Shiri nuclear fuel assembly ('', i)'x: J'il damage 1 non)
Therefore, the operation of the nuclear fuel assembly (5) f/[middle &(
:i-s pulling pulley (2) (11 t・) 1st pulley l
・゛・Cell (1) K, L are detected and the supervisor is activated. 2. When the load changes suddenly, the hoisting machine (3) is manually operated (stop +t-), and the nuclear The operation of the fuel assembly (5) is as follows: [Tete L
・So, what about the mix-up measures?+”fFI
Note f Aoju (the target value is 21, when it is reached, the volume + I
! ! A mechanism (not shown) for automatically stopping the (:s) is also attached.

1~ or I2, 7) Nuclear fuel suspension (''
lJ strain', j', :b'+.

", - turn, L, join the pulley side':)? 4F heavy, 1111-TannoC-), 1111-Tanno C-), 1111-Tano C-), 4F heavy, 1111-1, 1'C-), manual operation, one-tau to stop the cordless handset F-1Ai) (・r
The hoisting machine will automatically stop at t1'i when the sudden load change, k/1, occurs. The grid of the aggregate may break 1 (1, -\, so to prevent that Jl +
V) It is necessary to significantly reduce the shear of the wire rope.
A-1', j, operability of nuclear fuel assembly f? I wrote L<
``Low'' J-X-Ti8.14 points are high.

The present invention provides 1. Conventional nuclear fuel 11 detriment transfer calyx 1σ:
＆>(As shown in the front cylinder 4) 1.C Study Deficiency Eliminated - d) Also developed in σ), the nuclear fuel assembly height F'
The wire rope of the river is 411 [7sit-] and the load interposed on the suspension side of the pulley (designed 1ij: %-j, - and the change of 1.1' small according to the above-mentioned pulley 1 rule) ° Automatically 1 and slow f
balan A, which is suppressed by fu L, and the Lanzano flow 1 body pressure n1l) ff1l p, lj i, J to, n
fl Note y'-Rough Low k(, I I) Load (7
) meeting, 1 sensitive change test (1 blatant J, 1. knee)'? '
i no 1 catch [-: So ear mouth - l's volume - 1 - (! Pigeon stop - ``stop (back and side) li! i Characteristic at Lk point >i1' 1 ~, that [" target location N-, wire "
J--7' 71 families l') Wataru t, Z -jL, f
lA7. ,ll slip,Qj (ill &'i'-jJ
II h 7) Load ill: ff) 7. ! , the sudden 1. (,, $11j Luc 1+ y power base (stopped the -rH1 nuclear fuel nuclear fuel assembly 11.
- Prevention 1] Nuclear fuel suspension transfer device that can be operated safely and reliably! ? The point is that it provides

The present invention has a configuration in which the wire rope is passed ↑I゛1,
The change in weight is interposed in the 11111 suspension of the 11th slide. Therefore, nuclear combustion *
-1 Assembly phase-t7 interference, grid catching, etc. 1 (therefore, during operation 6)] Abnormal load applied to the nuclear/fuel assembly Suppression-
t 7->, the sudden change in the load if (K P
++ At 1-1], the Rokuto machine is automatically and immediately stopped by the Ranley and stop mechanism, and manual operation is also possible from the exact load detector 1/i7, which prevents damage to the nuclear fuel assembly. But prevention t1. It will be possible to operate safely and reliably, and the 4+% production +1 capacity of nuclear fuel assemblies will be significantly improved.

Hereinafter, an actual Mli example of the present invention will be illustrated.
Figure 1 shows 11 examples of the present invention. The nuclear fuel suspension transfer device 1 (A) shown in Figure 6 is a nuclear fuel suspension transfer device 1 (A) shown in Fig.
), a fuel gripping tool (1) for gripping the fuel iμm LflL
(4) 4, ・Through the 4 wire ropes υ), vertically move the wire rope (3), and the wire rope (6) is the shuttle). 1N2+, b and pulley (2)
A load detector (1) installed on the suspension side of the
:) Together with a thousand colors, L:) Takumi, 11 cases of this fruit.
ζ・I↑ corresponds to the suspension side of the pulley (2) -) Load detector (
1) is interposed on the suspension side.
ll +, Upper Shiranden - (1 (1) fluid pressure control j hair structure (11), o? and winding' second line 3) stop mechanism (17
Prepare 1 for 1~! , -structure-)te2.

At +15 shown in Figure 4, a balancer (
+ n) Ke cylinder〃゛-shape σ)・ζ Lanza wood body (10
σ) and a piston (I
Oh) The balancer air section 1E (A) formed above K and the piston rod (10'C) connected to the pulley (2) side.
) is formed in the t' part by the C stone (IOC) on
1- Balunry hydraulic section (b) and twisting structure K 7
', C->te7). (o) tg is an adjustment spring interposed between the main body (,1, On,) and the piston rod (io'C). On the other hand, Ballanro (1
0) Fluid pressure control mechanism (marked r, balancer hydraulic section (b)
Converter (illσ) for converting oil l into air pressure;
+ril converter (+-1σ) dead band ta 1i on the empty YF side
Transmit the same air force with the constant 1-1,) Wire rope ((
5) Winding or unwinding t, pneumatic transducer for 1l11 (
ICl3), (ill'), before? 7+4 pneumatic converter (,
+17)) (+1./]) The switching valve (11C
), L, same switching valve (llC) and balancer pneumatic section (
(a) in the pneumatic section (a) of the same balunuri.
) Determine the air pressure '-from the dry control valve (lid)! , "There is one in the structure. Nao-(1,11') (Illp)
The pipe line of the part is formed by frame N-shi/rujikoso,
j Kai ii J function 1c': ctsuf Ia 1° At 17, the above balun +1-++ +++ is, Pf') the load 71'iW on the car (2) side, ) is converted into oil pressure in the converter (114), and the same air pressure is converted into air pressure by the converter (114). converter (1], b),
Off 16 [Valve (Ilr) O, and pressure regulating valve (11d)
The air pressure is transmitted to the balun relay pneumatic section (a) through the
The hydraulic pressure in the baranve hydraulic section (b) and the air pressure in the pneumatic section (a) of the silane-1 are automatically balanced, and the pulley (2)
Equipped with a suppression function that automatically slows down changes in the side load W.
7. Due to the volume change r of the Miranza pneumatic part (a), the balun → body (11σ) moves up and down and expands and contracts.
(lσ), (T-iro, and the pulley (2+ (
For a small change in the load W of +111, the pneumatic transducer (1
1h) (IIA) K is no longer responsive due to the dead zone, and b is on the pulley (2) side, that is, the fuel is on the side (4)
) E, - and nuclear fuel assembly (designed to prevent vertical vibrations from occurring in the 5th sub-11).

In addition, (12α) shown in FIG.
[1) &de soil,・ke7. ) Balunry body (10σ
) There is a limit switch that opens and closes when a large movement occurs, and the limit switch (]0σ) activates the stop mechanism (12) and stops the 7-pheasant machine (3).
-Haro structure (Haro).

Illustrated (Example G, ↑, mentioned above.) Category 1) Agony [1 (411, 1-colored nuclear fuel assembly suspended by a lever (5) Me) 1 Sen (7) Interfering with the nuclear fuel assembly properties, -soJ) Grishi l-' ( 5h
) is quoted [7 and the load 11vJ on the pulley (2) side changes (1 so 2 / decrease) 1, and -f becomes Z Yoyukawabe ([I)
As the oil pressure inside changes, the fluid EE control mechanism
lf/C, l: The atmospheric pressure in the 1F part of the rebalancing air (a) changes and the +-1-dynamic υC of the rebalancing tree body (11σ)
Therefore, the change in the load W is made more gradual (!ii
t, -r suppression toro), dream, nuclear fuel] L-, union (!1
)Vc power 1 mountain7. ) Abnormality 4'+, load is loose i'li sa f + its damage is 1 (q city sagi 1 otsu, the said load W
(Pi) When the change is sudden and f1 is changed (, ↑Furthermore, the stop mechanism (12
) and the hoisting machine (3) Stops at the dynamic j/kokatsu direct f- [
Nisa 11. b) ΔSecond, nuclear fuel assembly (5 (safety 11)
This operation can be performed reliably.

That is, in response to a sudden change in the load W, the balancer body (1,0σ) expands and contracts by 1c on the force side during suppression with the same load change fire rate 12; Stop at 1−υ11
Complete stop of stone juki 3) Balan with 1 cow! J-(I
fil is expanding (contracting),
(In the state of load change)), the sudden change in the load is suppressed and stopped. As a result, 1 hoisting machine (3) completely stopped -l
6. Sufficiently damage the union (5)! ,,'j City can do it.

-Also, the buoyancy change of the static E1 fold change, that is, the buoyancy change of the nucleus Pl-'I aggregate (5) in the T(y treated JL7, Start, stop [-, ICY culm degree, normal load change C, 1', iir body pressure 11, I punishment i
Pneumatic transducer (11h) (II
h) & Teyotsu) Balun-tJ-(ltl
+ must be able to safely and reliably operate the nuclear fuel assembly (5) without causing any unnecessary 10F movement in the iJ nuclear/P judge assembly (5) which + has been inefficiently maintaining.

Furthermore, according to the example, the pulley (2) ri publication-@
The load detector (1) installed in the flllll is
The pulley (21 ([1 ()) serves as a load detection unit for constantly monitoring the load W.
It is possible to perform 1,000 jl↓1 operation depending on the mind, and 2'li safety measures are taken.

According to the above-mentioned example, when a nuclear fuel assembly is in operation, it may cause a sudden load change (... While mechanically relaxing (17) and hoisting (sometimes stopping may occur), an excessive abnormal load may be placed on the core, core assembly, and body (4') Damage to the I/C corner (1) January 1. Completed, nuclear +1, ]i material assembly safely and (r1r real υC operation - completed).

Relying on the experience and feeling of the conventional method 4) Eliminates the need to use gauze, making it possible to change the operation to a diagonal! i! : Tobu 4S, the operability of the core y 11% union should be the direction.
'Deki'::)r・L':1+hon i6mei・jitsu [i1
Regarding +lJ, there is a poem, explanation 7, -, but of course the present invention is based on this 3.
L゛)na fruit/if! i Example 1.1 Limited to the spirit of the present invention.
・1] Modification of the 11th dl in the inner part 51・(kawa~
Hit with scales).

4 [1': l t(7) t rl', 7': 丙i),
1. IJJ ] 24 pieces 1 figure I' - Conventional nuclear health charge suspension - thorn transfer 'k h4f, Y not shown (j'1 figure, 2 figure f
A] (B+ is nuclear fuel! The purpose of the private merger is ``f 蓓・show-J side view, 1... and turn 1 (11 and 1-!j's ii+i'i
111 (Ixl, 3rd ill let A'departure'
! jJ]] An example example
,? l', Figure 4 (1-61st 1st block, ・iJru balun + 1-=-1 fluid pressure 1llll camera), ・shows the i-th h111 of the stop machine tf'i jjλi (1・i l
tl 'Hi aru.

1: Load detector 2: Pulley 5: Hoisting machine 4: Fuel grip, )+1-↓r):
Nuclear/Fuel It:, Combination 6: Wa, Yellow--2-
.

1E1: Balancer-11: 1 system tyranny is also '111 (zo')
E! ：1112=Stopping mechanism for the width of the driver's hand 2-.

7-1 4th V l/ 17-- Shigiri"'l) Continued from page 1 7i) Application ノ (Kansai Electric Power Co., Ltd. No. 22 Shizu Procedural Amendment 1981 IJ] 2411 Special 1γ1 Office IQ Officer 4 I2 □11 Yo, Sir 1.
Incident indication 1987 157 Patent Application No. 142150 2 Invention a
> Name X31: Nuclear fuel suspension transfer device; 3. One person who plays a catch pattern, one person in elementary school f'lhi's 'l, 1+', i
'l layer (name (620) - 1 person outside of Rabichu 1 Gyo Co., Ltd.
% 2 'R7, in the statement of contents of the amendment (1) 1 Fast Breeder Reactor K J: A) 1?
Calendar

(2) First combination, line 17 σ) "Fast breeder reactor type" [Example k.

It is corrected as "Light water cooled type".

Claims (1)

[Claims] Nuclear fuel assembly 11 Fage River waffle earrings are hanging across the river] Hanging 1'll! 4 disguised as l
1 small detector, ti and the change in the load on the name river side i1
i purpose is to buffer (-7 to suppress the load on the paralyzer) and the body pressure controller (with the stand and the sudden load on the paralyzer); A nuclear fuel suspension transfer device is equipped with a stop mechanism and a nuclear fuel suspension transfer device.