JP3357964B2 - Reactor internal moving device for fusion reactor - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to relates to a fusion reactor, such as fusion devices, especially, the shape of the core internals in the inter-coil space
The present invention relates to a reactor internal structure moving device for a fusion reactor for carrying out / in from a formed upper port.

[0002]

FIG . 18 shows a nuclear fusion reactor to which the present invention is applied.
It is a perspective view which shows the internal structure of. Conventional fusion experiment equipment
In a nuclear fusion reactor such as the one shown in FIG. 18, a vacuum vessel 10 is provided inside a toroidal coil 71 and a poloidal coil 72 for plasma control housed in a nuclear fusion reactor 7.
The is provided with, confining the hot plasma by a magnetic field.

[0003] A vacuum vessel 10 includes a diverter 12 for eliminating impurities in plasma, and a vacuum vessel 10 from radiation and radiated particles generated by high-temperature plasma or fusion reaction.
Furnace structures such as a protective material for protecting the fuel , a shielding material , and a blanket 74 for generating fuel are installed.

[0004] Since these furnace internal structures are damaged by exposure to high-temperature charged particles, maintenance work is required to replace damaged parts during the service period.

FIG . 19 is a block diagram showing a block to be carried out / in according to the present invention.
FIG. 20 is an exploded perspective view of the racket, and FIG.
Module structure of blanket to be carried in / out according to the invention
It is a perspective view which shows a structure.

[0006] The blanket 74, 19 and 20
As shown in (1), it is modularized so as to be suitable for replacement and repair, and includes an inboard blanket module (inboard module) 1 , an upper shielding plug 2 , a lower shielding plug 3 , an upper center module 4, and a lower center module. 5, consisting of the outboard blanket side module (outboard module) 6.

In this case, the inboard module 1
This is a module on the peripheral side.
Shielding plug 3, upper center module 4, lower center
Module 5 and outboard module 6 are on the outer peripheral side
Module.

[0008] Toroidal coil 71 for plasma control
And Poroidarukoiru 72, because it surrounds the outside of the vacuum vessel 10 to the multi <br/> weight, the size of the upper port 13 for taking out each module 1-6 from the furnace is limited extremely small.

Therefore, each module 1 to 6 of the blanket 74 is formed between these coils 71 and 72.
Must be removed through the upper port 13. Each of the modules 1 to 6 is a heavy object of several to several tens of tons . In order to carry out / in each of the modules 1 to 6 from the narrow upper port 13 shown in FIG. 18 by remote control , a special transportation device and technology are required.

FIG . 21 illustrates a conventional remote exchange device.
It is a perspective view. Conventionally, there are two methods for remotely exchanging furnace internals.

In the first method, as shown in FIGS. 18 and 21, a long bent arm 9 is inserted into a donut-shaped vacuum vessel 10 from a horizontal port 8 of a fusion reactor 7,
Using the bending arm 9 as a trajectory, the handling device 11 of each of the modules 1 to 6 is brought into the vacuum vessel 10 to exchange the furnace internal structure. Due to the strength limitation of the bending arm 9, it is mainly used for replacing a relatively light diverter 12 or a plasma protection tile.

In the second method, the modules 1 to 6 in the furnace are vertically suspended from the upper port 13 and replaced . This
The method is applied to the exchange of such large modules 1-6 and shielding block weight.

The upper port 13 has a toroidal coil 71
Since it is provided in a narrow space between the coil and the poloidal coil 72, it is set to the minimum size that allows each module 1 to 6 to pass through. If the module is inclined when passing through the upper port 13 , the port area required for passing increases. Therefore, when passing through the upper port 13 , the module must be translated and passed while always keeping the posture of the module vertically.

To solve this problem, Japanese Patent Laid-Open No.
As disclosed in JP-A-165294, there is a method of moving and installing a furnace internal structure to a predetermined place using a guide groove provided on an inner wall surface of a furnace and a guide wheel provided on a module. In this method, a guide groove having a T-shaped cross section is provided perpendicular to the inner wall of the furnace, and a guide wheel directly attached to the rear surface of the module is fitted into the guide groove and moved. because were not unsteady relative to 13, the passage of the upper port 13 is facilitated, can be automatically positioned at a predetermined module installation position.

If two or more guide wheels are used , the module can be translated while preventing rotation of the module.
Then, it can pass through the upper port 13 with a minimum area. Further, when the guide groove is branched like a rail of a railway , the module is moved laterally , and the present invention can be applied to the installation of a side module.

Thus, the method uses a narrow upper port.
It is effective to let a large module pass without colliding with 13 .

[0017]

In a conventional apparatus for moving an internal structure of a nuclear fusion reactor , a moving guide means is provided with a module.
And the guide groove extends vertically to the furnace inner wall.
Due to the formation , the movement of the module is limited to the vertical direction along the inner wall surface .

However, in order to install the inboard module 1 , it is necessary to move the module in the furnace toward the center of the furnace. Conventionally, since this means was not provided, it was not applicable to the movement of the inner module.

Further, the structure of the cask for transporting the module outside the fusion reactor and the means for guiding the module from the cask to the guide groove are not clearly shown.

In the conventional method, since the moving guide means is directly attached to the module, the lateral movement of the side module of the outer module (outboard blanket module) depends on the structure of the guide groove laid in a curved shape. The horizontal movement force is obtained by the horizontal component force of gravity .
For this lateral movement , the side module must be moved obliquely to the direction of gravity.

However, in this case, the upper part of the module may interfere with the toroidal coil, and if the moving module is not well aligned with the adjacent module, the position and the attitude cannot be finely adjusted. There is a possibility that a gap may be formed, and there is a problem in shielding performance.

It is an object of the present invention to maintain a constant posture.
Each module can be transported vertically and horizontally in the furnace.
Fusion with means to easily pass through the upper port
It is an object of the present invention to provide a furnace internal structure moving device.

[0023]

The present invention achieves the above object.
At least the inner structure of the fusion reactor
Divided into upper and outer modules
Equipment for moving the internal structure of a fusion reactor that is carried in / out from a port
In the location, the guide mechanism that travels up and down direction of the guide groove
Move the attached slide base and guide mechanism up and down
Vertical drive mechanism and one support point on the slide base
Multiple pivotally mounted vertically and horizontally via
Parallel link mechanism and the supporting point on the other side of the parallel link mechanism
Arranged rotatably through and grips the inner module
And / or deploy and / or deploy a parallel link mechanism
Drive to move the inner peripheral module horizontally
Of a reactor internal structure moving device for a nuclear fusion reactor
I do.

[0024] The present invention also provides a reactor internal structure of a fusion reactor.
At least the inner module and the outer module
Fusion reactors that are divided into two and carried out / in from the upper port
In the internal structure moving device, run in the vertical guide groove
Column with the guide mechanism attached
Up and down drive mechanism to move and fixed laterally to column
Cross beam and lateral direction formed on the back of the outer peripheral module
On the cross beam by engaging the guide groove of
With the sliding sleeve and the rack mechanism provided on the cross beam
Mating sleeve and outer module along the cross beam
Reactor internal structure transfer of a fusion reactor consisting of a moving drive mechanism
A motion device is proposed.

The present invention further provides a nuclear reactor internal structure.
The at least the inner module and the outer module
Of the fusion reactor that is divided into
Runs in the vertical guide groove in the furnace structure moving device
Slide base with guide mechanism
A vertical drive mechanism that moves the mechanism up and down, and a slide base
It can be pivoted up and down and left and right through the support point on one side.
A plurality of parallel link mechanisms and a parallel link mechanism
Is rotatably arranged via the support point on the other side of the
A gripping mechanism for holding modules and a parallel link mechanism
Open and / or rotate to move the inner module to the horizontal
Drive mechanism to move in the up and down direction
Column with the guide mechanism attached
Up and down drive mechanism to move and fixed laterally to column
Cross beam and lateral direction formed on the back of the outer peripheral module
On the cross beam by engaging the guide groove of
With the sliding sleeve and the rack mechanism provided on the cross beam
Mating sleeve and outer module along the cross beam
Reactor internal structure transfer of a fusion reactor consisting of a moving drive mechanism
A motion device is proposed.

Movement of the internal structure of any of the above fusion reactors
The device has a guide groove connected to the vertical guide groove.
Equipped with carry-out / load-in means to store and carry out joules
Can be obtained.

[0027] The carrying out / in means is, more specifically, an upper part.
The cask installed above the port and the cask
Guide plate having a guide groove of the same shape as the inner wall of the furnace
And a moving mechanism for moving the guide plate up and down, and a moving machine
From a support mechanism that supports the structure and has a position fine adjustment mechanism
The moving mechanism lowers the guide plate into the furnace and
Close the guide plate and the vertical guide groove on the inner wall of the furnace.
The position fine adjustment mechanism is a vertical guide groove.
Guide so that the guide groove of
This is a means for adjusting the position of the plate.

[0028]

According to the present invention, the vehicle travels in a vertical guide groove.
Slide base with guide mechanism attached and guide mechanism
The module moving device on the inner peripheral side comprising a vertical drive mechanism for vertically moving the T
It is fitted and supported in the groove. The grip on the other end of the parallel link mechanism, one end of which is supported by the slide base, can be mounted on the inner peripheral module (inboard module) as necessary.
Grip or release .

When the inboard module is carried in, the inboard module is grasped by the grasping portion of the grasping mechanism, the parallel link mechanism is contracted, and the guide plate of the carrying out / in means is lowered into the furnace . When the T-groove of the guide plate is connected to the T-groove on the inner wall of the furnace, the inboard module moving device grips the inboard module and descends into the furnace while maintaining a certain posture.

In the furnace, the inboard module is moved horizontally by deploying the parallel link mechanism to approach a predetermined installation location, and the installation error is corrected by the position fine adjustment mechanism of the support mechanism to install the inboard module.

To remove, the procedure is reversed.

The inboard module moving device is guided by T-grooves provided in the furnace inner wall surface in the vertical direction.
I have. The inboard module is always based on this T groove
Because of the parallel movement , the posture is always kept constant, and the posture control and positioning of the inboard module are easy.

Adjusting the position of the support point of the parallel link mechanism
Thus, the mismatch of the position or posture with the adjacent inboard module can be matched.

[0034] Column, the cross beam, the sleeve, the drive mechanism such as a rack, the guide mechanism, the outer peripheral side made of vertical drive mechanism
The module (outboard module / side module) moving device also has a column provided on the back surface to be fitted in the T-groove, and is supported by the T-groove of the guide plate provided in the carrying-in / out means.

The cross beam is fitted into the T-groove of the side module.
In rare cases, hold the side module. The side modules are suspended by wires, and the weight does not directly fall on the side module moving device. The position of the side module is adjusted so as to be substantially at the center by the sleeve provided on the cross beam, so that the side module can easily pass through the port.

When the guide plate is lowered into the furnace and the T-groove of the guide plate is connected to the T-groove on the inner wall of the furnace, the side module moving device grips the side module and holds the furnace in a fixed posture. Descend inside. After descending into the furnace, the side module is moved horizontally to approach a predetermined installation location, and the installation error is corrected and installed. To remove, reverse the procedure.

The moving means is guided by T-grooves provided on the inner wall surface of the furnace in a vertical direction.
Since the parallel movement is always performed on the basis of the T groove, the posture is always kept constant, and the posture control and positioning of the module are easy. Also slightly adjust the position of the upper and lower cross beams
And the misalignment of the position and posture with the adjacent module.

The guide plate supports the posture of the side module moving device with a T-groove, and guides the side module moving device to the T-groove on the inner wall surface of the furnace using a multi-stage expansion and contraction mechanism.

[0039] and the mobile device module can be moved synchronously by a lifting device.

[0040]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring to FIGS.
An embodiment of the in-core structure moving device for a nuclear fusion reactor will be described.

[0041]

FIG . 1 shows an apparatus for moving an internal structure of a fusion reactor according to the present invention .
FIG. 2 is a longitudinal sectional view showing the structure of Example 1. Nuclear fusion of Example 1
The equipment for moving the internal structure of the reactor is the upper port 1 of the fusion reactor.
3 is divided like a plurality of modules 1 from the furnace structure
Of these, in order to unload / load the inner module,
Sly sliding in guide grooves formed in the furnace wall freely
And Dobesu 15 is moved like a horizontally each module 1 in the slide base 15 engages transportation Rights
And a row link mechanism 16.

[0042] That is, FIG. 1 shows an embodiment of the inboard modules mobile device 14 using the parallel link mechanism 16, inboard module moving device 14 includes a slide base 15 underlying the parallel link mechanism 16 It is constituted by a main structure of a gripping mechanism having a gripping portion 17 and a drive mechanism (not shown).

FIG. 2 shows the internal structure of the fusion reactor shown in FIG.
It is a perspective view which expands and shows a part of parallel link mechanism of an object moving device . On the back (outside) of the slide base 15, the slide base 1 is inserted into a T-groove (guide groove) 18 on the inner wall of the furnace.
And a guide mechanism 19 for guiding the vehicle 5 freely.
The parallel link mechanism 16 is movably attached to the front (inside)
It is.

The guide mechanism 19 is rotatably mounted to, for example, a rib 20 is provided on the rear surface of the slide base 15, the guide rollers 21, the traveling path of the inner surface of the T-slot 18
Wherein, it is driven by the vertical driving mechanism (not shown).

The parallel link mechanism 16 includes upper and lower parallel links.
Two pairs of mechanisms 16 are provided on the left and right when viewed from the front.
You. As shown in FIGS. 1 and 2, each parallel link mechanism 16 is formed by a vertically long link 22 and a short link 23 rotatably attached to an intermediate point between the long link 22 and the upper end of the long link 22. The upper support point of the part is the slide base 1
5 is attached so as to be rotatable and vertically movable ,
The lower support point at the lower end of the short link 23 is rotatably attached to the slide base 15 .

The lower support point of the long link 22 is rotatably attached to the link plate 24. The link plate (grip mechanism) 24 is provided to face the slide base 15 via each parallel link mechanism 16 and has a shape that comes into contact with the outer surface of the inboard module 1 at a plurality of places. DOO in is provided with a gripping portion 17, in
The board module 1 is gripped.

Of the support points of the parallel link mechanism 16, the upper support point of the long link 22 can move up and down along the groove on the upper part of the slide base 15, as shown in FIG.

For example, as shown in FIG.
Where the lengths from the midpoint to the three support points are equal
In this case, the positions of the upper support points of the pair of upper and lower long links 22 are simultaneously changed in the upward and downward directions by the same distance in conjunction with each other.
Then, the position of the lower support point of the long link 22 can be moved horizontally. By utilizing this movement, the inboard module 1 can be horizontally moved in the furnace in the radial direction of the furnace.

FIG. 3 shows the internal structure of the fusion reactor shown in FIG.
It is a top view which shows the parallel link mechanism of an apparatus . The parallel link mechanism 16 has a parallel link structure when viewed from above,
The slide base 15 and the link plate 24 are always kept parallel. Each support point of each link has a structure that can rotate about a vertical axis, and a drive mechanism (not shown)
If the angle is further adjusted, the inboard module 1 can be moved in the circumferential direction of the furnace.

FIG . 4 is a view for adjusting a tilt in a vertical plane.
FIG. 3 is a side view for explaining the operation of the parallel link mechanism shown in FIG. 2.
You. At the installation position of each module, small deformation of the vacuum vessel
For example , the mating surface with the adjacent module may be displaced due to, for example, the above. At this time, as shown in FIG. 4, when the positions of the support points of the pair of upper and lower long links 22 are independently moved by a driving mechanism (not shown) , the slide base 15 is moved.
The inclination of the inboard module 1 in the vertical plane can be adjusted by slightly shifting the parallelism of the inboard module 1 with the link plate 24 .

For example, in the normal state, the distance between the upper support point 25 of the upper long link 22 and the upper support point 26 of the lower long link 22 is always constant. , 26 are moved synchronously .

[0052] If you are against the slide base 15 want to tilt the in-board module 1 back and forth, as shown in FIG. 4,
The position of the upper support point 25 of the upper long link 22 is moved and adjusted relative to the upper support point 26 of the lower long link. Alternatively, the position of the upper support point 26 of the lower long link 22 may be adjusted.

FIG . 5 is a view for adjusting the inclination in the horizontal plane.
FIG. 3 is a plan view illustrating the operation of the parallel link mechanism shown in FIG. 2.
You. To adjust the tilt in the horizontal plane, only the left or right parallel link mechanism is driven as shown in FIG.
The deployment length may be adjusted.

FIG . 6 is a view for adjusting the inclination around the horizontal axis.
FIG. 3 is a front view illustrating the operation of the parallel link mechanism shown in FIG.
is there. In order to adjust the inclination about the horizontal axis, as shown in FIG. 6, the heights of the four support points of the pair of upper and lower parallel link mechanisms 16 are simultaneously changed, and the heights of the left and right parallel link mechanisms 16 are changed. I just need.

FIG. 7 shows a part of the parallel link mechanism shown in FIG.
It is a perspective view which expands and shows. Top support point for each long link
In addition, the lower support point of the short link has a support structure as shown in FIG. That is, a slider 27 that moves up and down along a guide groove provided in the slide base 15 and, for example, a rack and pinion type driving device
(Drive mechanism) 28, a horizontal shaft 29 rotatably supported by the slider 27, and a vertical shaft 3 supported by the horizontal shaft 29.
0 and its rotation drive device (drive mechanism) 31 and a rotation support shaft 32 at the link end supported by the vertical shaft 30.

[0056] The slide base holding section 17 which is attached to, for example using the structure of the mounting portion of the upper diverter, the mounting holes 33 of the diverter fitting the projection of the link plate 24, the plasma inboard module 1 The inboard module 1 is firmly gripped by inserting the projection into the recess 34 provided on the surface not directly facing. The grip 17 can slide up and down with respect to the link plate 24.

The link mechanism of FIG .
Because it is rotatable, it can face the slide base 15
Not only the inboard module 1 at the position
Inboard modules located to the left and right of the
The rule 1 can also be moved.

FIG. 8 is a perspective view showing a part of the structure of the inner wall surface of the furnace. The lower portion of the inboard module 1, as shown in FIG. 8, the module fixing structure 35 provided on the central inner wall of the furnace, are inclined and utilizing projections and positioning and fixing, the upper portion of the inboard module 1, the upper It is fixed to the wall surface at port 13 and has a braided structure that can be combined without gaps with other modules incorporated,
Firmly fixed.

As shown in FIG. 1, a lifting wire 36 is connected to the slide base 15, and the weight of the inboard module 1 is supported by the wire 36 together with the inboard module moving device 14.

[0060]

[Example 2: Device for moving the internal structure of the outer periphery of a fusion reactor] Figure
9 is a schematic diagram of an apparatus for moving the internal structure of a fusion reactor according to the present invention.
FIG. 9 is a vertical sectional view showing the structure of the second embodiment. FIG. 10 shows FIG.
FIG. 2 is a perspective view showing a reactor internal structure moving device of the fusion reactor shown.
FIG. 11 shows the internal structure transfer of the fusion reactor shown in FIG.
It is a perspective view which expands and shows a part of moving device.

The internal structure moving device of the fusion reactor of the second embodiment
Location, out of the furnace structure from the upper port 13 is divided like a plurality of modules 1 fusion reactor, the outer peripheral side module
This is a side module moving device for moving a side module of an outboard blanket in order to carry out / in a tool .

On the back surface of the column 38, a T-groove
A fitted guide mechanism 39 is provided, and is driven by a vertical drive mechanism (not shown). At the front of the column 38, two cross beams 40 are attached vertically, and the cross head 4
1 are formed.

The cross beam 40 is covered with a sleeve 42 and slides the cross beam 40. This sleeve 42
Are fitted in a T-shaped groove 43 provided horizontally on the back surface of the side module 6. A latch mechanism 44 is provided on the sleeve 42, and the latch mechanism 44 abuts and is fixed to the respective lateral end faces of the side module 6 together with the projections 45 provided on the sleeve 42.

The sleeve 42 is driven by a drive mechanism such as a pinion 49 and a rack 50 by a drive motor 46 via worm gears 47 and 48. Sleeve 42
When moved in the lateral direction , the side module 6 can be moved in the lateral direction . In other finely the amount of movement of the upper and lower of each sleeve 42, can be finely adjust the inclination around the horizontal axis of the side modules.

The moving means of the second embodiment includes a driving mechanism such as a cross beam 40, a sleeve 42, a rack 50, and a guide mechanism 39.
Consisting of a vertical drive mechanism (not shown).

That is, the side module moving device 37
Takes the guide mechanism 39 running in the vertical guide groove.
To move the column 38 attached and the guide mechanism 39 up and down
Lower drive mechanism and cross beam 4 fixed laterally to column 38
0 and the lateral direction formed on the back surface of the module 6 on the outer peripheral side
Of the outer peripheral side module 2-6
A sleeve 42 that slides on the cross beam 40 and a sleeve 42
The sleeve mechanism 42 and the outer peripheral side
To move the modules 2 to 6 along the cross beam 40
Mechanism.

Since the wire 36 of the lifting device is directly connected to the side module 6, the weight of the module is not applied to the side module moving device 37.
The moment reaction force for the parallel movement is supported by the side module moving device 37. The weight of the side module moving device 37 is supported by a wire 51 of a lifting mechanism different from the lifting device.

[0068]

Example 3: core internals out / carrying means fusion reactors Figure
FIG. 12 is a longitudinal sectional view showing the structure of a carrying-out / carrying-in means installed above the fusion reactor . Incidentally, FIG. 12, and FIG. 1
It is upside down.

The unloading / loading means is provided inside the cask 52.
And a module moving device having a guide plate 53 provided with a T-shaped groove of the same shape connected to the T-shaped groove on the inner wall of the furnace, and a drive mechanism for supporting and moving the guide plate 53 up and down.
(Moving mechanism) 54 and is supported by a bracket (supporting mechanism) 55 mounted in the cask 52.

The position of the bracket 55 can be finely adjusted in the front, rear, left and right directions by a position fine adjustment mechanism 56 , and adjusts the error in the position and inclination angle between the T groove on the inner wall surface of the furnace and the T groove on the guide plate 53.

[0071] The guide plate 53, as shown in FIGS. 13 to 15, has a two-stage structure formed by the inner guide plate 57 and the outer guide plate 58, T groove 6
When the inner guide plate 57 with 8 is further lowered,
The cask 52 and the inner wall of the furnace with the T groove are separated in the vertical direction
, The two T-grooves can be connected.

A lifting device 59 comprising a traveling mechanism , a traversing mechanism , and a hoisting mechanism is provided above the cask 52 to raise and lower the furnace internals and the module moving device.
You. The lifting device 59 is provided with two sets of main and sub.

Further, an opening / closing door 60 is provided below the cask 52.
It is arranged.

An operation procedure for removing each module will be described. First, as shown in FIG. 16, the cask 52 is connected to the upper port 13 of the furnace by using a ceiling crane provided in the furnace chamber.
Place on top. The partition between the upper port 13 and the cask 52 is removed.

The guide plate 53 is lowered into the furnace, and the T groove 68 is connected to the T groove 18 shown in FIG. At this time, the protrusion 60 on the lower surface of the guide plate 53 is fitted with the recess provided on the upper surface of the furnace inner wall, and the position of the T groove 68 is determined. The vertical position of the T-groove 68 is set by the position fine adjustment mechanism 56 on the back of the module moving device 54.

Next, using the lifting device 59 , FIG.
Then, the upper shield plug 2 , the upper center module 4 , and the lower center module 5 are pulled out of the furnace to secure the outlet space of the upper port 13. These modules are housed in the cask 52, transferred to the furnace room floor together with the cask 52, mounted on the movable carriage 61, and sent to the maintenance room 62.

To pull out the inboard module 1,
As shown in FIG. 17, after setting the inboard module moving device 14 on the guide plate 53 in advance, the cask 52 is set on the upper port 13 again, and the upper port 13
The partition between the and the cask 52 is removed.

The guide plate 53 is lowered together with the inboard module moving device 14, and the T-grooves 18 and 68 are
After the connection, the inboard module moving device 14 is further lowered. After descending to a predetermined position, the position of the upper support point of the parallel link mechanism 16 is moved downward to deploy the parallel link mechanism 16 and bring the link plate 24 closer to the inboard module 1.

Further, the inboard module 1 is rotated around the vertical axis so as to be positioned in front of the mounting position of the inboard module 1 on either the left or right side.
To grip.

The inboard module 1 is slightly lifted by the lifting device 59 via the inboard module moving device 14. After closing the parallel link mechanism 16 and pulling the inboard module 1 toward the guide plate 53,
Pull up along the T groove.

The inboard module 1 is housed in the cask 52 together with the guide plate 53, the entrance of the cask 52 is sealed, and the inboard module 1 is hung down together with the cask 52. Inboard module 1
Is mounted on a mobile trolley 61 and a maintenance room 62
Sent to

Referring to FIG . 10, FIG. 11 and FIG.
The procedure for removing the outboard module 6 will now be described.
First, the side module moving device 37 is set on the guide plate 53 in the cask 52.

Next, the cask 52 is set on the upper port 13 and the partition wall between the upper port 13 and the cask 52 is removed.

The wire 36 of the lifting device is connected to the side module 6. The guide plate 53 is lowered together with the side module moving device 37, and the guide plate 5
After connecting the T-groove 3 to each T-groove on the inner wall of the furnace, the side module moving device 37 is further lowered.

After descending to a predetermined position, the sleeve 42 of the cross beam 40 is slid and fitted into the T groove 43 on the back of the side module 6, and the end face of the latch 44 passing through the T groove 43 abuts on the end face of the side module 6. And latch 4
Multiply by four.

The side module 6 is lifted a little by the lifting wire 36, and in a floating state, the sleeve 42 is moved laterally using the sleeve driving mechanism, and the side module 6 is drawn to a position below the center of the upper port 13.

The side module 6 is pulled up together with the side module moving device 37. The side module 6 is housed in the cask 52 together with the guide plate 53,
After sealing the entrance of the cask 52, the cask 52 is hung down together with the cask 52.

The side module 6 is mounted on a movable trolley 61 and sent to a maintenance room 62.

As already mentioned, the present invention provides for the upper port 13 to facilitate movement and positioning of the module.
The T-groove provided on the inner wall surface of the furnace below serves as a guide for vertical movement .
At this time, in order to move the module in parallel with the T groove as a reference and to move the module horizontally in the furnace, a moving means corresponding to each module is interposed between the guide means for the T groove on the inner wall of the furnace and each module. Let it.

These moving means are provided with a mechanism for correcting a minute angle or positional deviation.

In order to move the inboard module toward the center of the furnace while maintaining parallelism, an inboard module moving device using a pair of upper and lower parallel link mechanisms is provided.

This moving device is provided with guide means for vertical movement, ie, a slide base, which fits into the T groove on the back surface. A holding mechanism for holding the inboard module via the parallel link mechanism is provided.

The position of the support point of the parallel link has a structure capable of minute movement, so that the position and posture of the inboard module can be finely adjusted.

In order to move the side module laterally in the furnace, a T-groove is previously provided in the back of the side module in the horizontal direction, and two sets of cross members connecting the T-groove and the T-groove on the inner wall of the furnace are provided. A side module moving device provided with

The cross beam of the cross member has a slide mechanism such as a sleeve . This slide mechanism fits into the T-groove of the side module, holds the module, and moves in the horizontal direction.

When the positions of the upper and lower slide mechanisms are adjusted,
The position and attitude of the module to be able to fine-tune.

In the cask installed above the upper port 13 and accommodating the module to be replaced, a lifting device 59 for elevating and lowering the module and the moving device, and the moving device are moved into the furnace, and the T A vertical guide device such as a guide plate 53 for guiding the groove is provided.

This vertical guide device has the same T-slot as the T-slot on the inner wall of the furnace, and has a structure that expands and contracts in multiple stages and, when extended into the furnace, connects to the T-slot on the inner wall of the furnace. .

A fine position adjusting mechanism is provided on the support portion of the vertical guide device, and fine adjustment is performed so that the T groove provided on the vertical guide device and the T groove on the inner wall surface of the furnace are aligned .

The inboard module moving device and the side module moving device are guided by the T groove of the vertical guide device, pass through the upper port 13, and are moved out of the furnace.

The operation of these devices is related to each other.
Runode, between each of the control devices, installed centrally communication means these for transmitting information, to be interlocked when necessary.

[0102]

According to the present invention, each module can be conveyed vertically and horizontally in the furnace with respect to the T groove.
In addition, since the module can be moved horizontally while keeping its attitude constant , and the position and attitude of each module can be finely adjusted to adjust the installation error , it is easy to pass through the upper port, and it is carried out / stored in a predetermined place outside the furnace. it can.

[Brief description of the drawings]

FIG. 1 shows an apparatus for moving an internal structure of a fusion reactor according to the present invention .
It is a longitudinal sectional view showing the structure of the first embodiment.

2 is an enlarged perspective view showing a part of a parallel link mechanism of the in-core structure moving device of the nuclear fusion reactor shown in FIG . 1 ;

FIG. 3 is a perspective view of the parallel reactor of the reactor internal structure moving device of the fusion reactor of FIG. 2;
It is a top view which shows a link mechanism .

FIG. 4 is a side view for explaining the operation of the parallel link mechanism shown in FIG. 2 for adjusting the inclination in the vertical plane .

FIG. 5 is a plan view for explaining the operation of the parallel link mechanism shown in FIG. 2 for adjusting the inclination in the horizontal plane .

FIG. 6 is a front view illustrating the operation of the parallel link mechanism shown in FIG. 2 for adjusting the inclination around the horizontal axis .

FIG. 7 is an enlarged view showing a part of the parallel link mechanism shown in FIG. 2;
It is a to perspective view.

FIG. 8 is a perspective view showing a part of the structure of a furnace inner wall surface.

FIG. 9 shows an apparatus for moving an internal structure of a fusion reactor according to the present invention .
It is a longitudinal sectional view showing the structure of Example 2.

10 is a device for moving the internal structure of the fusion reactor shown in FIG . 9;
Is a perspective view showing a.

FIG. 11 is a diagram showing the internal structure moving device of the fusion reactor shown in FIG .
It is a perspective view which expands and shows a part of arrangement | positioning.

FIG. 12 is a schematic view of a transporter installed above a fusion reactor according to the present invention .
It is a longitudinal cross-sectional view which shows the structure of an in / out means.

FIG. 13 is a side view showing a part of the unloading / loading unit of FIG.

FIG. 14 is a front view of FIG.

FIG. 15 is a plan view of FIG.

FIG. 16 is an apparatus for moving the internal structure of a fusion reactor according to the present invention .
It is a figure explaining the work procedure of.

FIG. 17 shows the structure of the unloading / loading means according to the present invention,
It is a longitudinal section showing the state where it was installed in the upper part of the furnace.

FIG. 18 shows the internal structure of a fusion reactor to which the present invention is applied.
FIG.

FIG. 19 shows a blanket to be carried in / out according to the present invention .
It is an exploded perspective view.

FIG. 20 shows a blanket to be loaded / unloaded according to the present invention .
It is a perspective view which shows a module structure.

FIG. 21 is a perspective view illustrating a conventional remote exchange device .

[Explanation of symbols]1 Inboard module 2 Upper shielding plug 3 Lower shielding plug 4 Upper center module 5 Lower center module 6 Outboard module 7 Nuclear fusion reactor 8 Bending arm 9 Bending arm 10 Vacuum container 11 Handling device 12 Divertor 13 Upper port  14 inboard module moving device 15 slide base 16 parallel link mechanism 17 gripping part 18 T-slot(Guide groove) 19 Guide mechanism 20 Rib 21 Guide roller 22 Long link 23 Short link 24 Link plate(Gripping mechanism) 25 upper support points 26 Upper support point  27 Slider 28 Rack and pinion drive29 horizontal axis 30 vertical axis  31 Rotary drive(Drive mechanism) 32 rotation support shaft 33 Mounting hole 34 hollow  35 Module fixing structure 36 Wire 37 Side module moving device 38 Column 39 Guide mechanism 40 Cross beam 41 Crosshead 42 Sleeve 43 T groove 44 Latch mechanism 45 Projection 46 Drive motor47 Worm Gear 48 Worm Gear 49 Pinion 50 racks 51 wires  52 Cask 53 Guide plate 54 Module moving device55 bracket (support mechanism) 56 Position fine adjustment mechanism 57 Inner guide plate 58 Outer guide plate 59 Lifting device60 protrusion 61 Moving cart 62 Maintenance Room  68 T groove71 Toroidal coil 72 poloidal coil 74 blanket

──────────────────────────────────────────────────続 き Continuing from the front page (72) Inventor Kiyoshi Shibanuma, 801 Mukaiyama, Naka-cho, Naka-machi, Naka-gun, Ibaraki Pref. Inside the Japan Atomic Energy Research Institute Naka Research Institute No. 1 Atomic Research Institute, Naka Institute of Japan (72) Inventor Kiyoshi Oka 801 Mukaiyama, Nakamachi, Naka-gun, Ibaraki Prefecture 1 Within Naka Research Institute of Japan Atomic Energy Research Institute (72) Inventor, Naokazu Kanamori, Nakamachi, Naka-gun, Ibaraki Prefecture No. 801 Mukoyama 1 Inside the Naka Research Laboratory of the Japan Atomic Energy Research Institute (56) References JP-A-62-65806 (JP, A) JP-A-3-165294 (JP, A) Ji-55-106892 (JP, U) (58) Field surveyed (Int. Cl. ⁷ , DB name) G21B 1/00 G21C 19/02 G21C 19/19

Claims (5)

(57) [Claims] 1. The fusion reactorAt least the inner circumference of the furnace internals
Divided into upper and outer modules
Loading / unloading from portEquipment for moving the internal structure of a fusion reactor
In placeA switch equipped with a guide mechanism that runs in the vertical guide groove
Ride base and An up-down drive mechanism for moving the guide mechanism up and down, The slide base can be moved up and down through one support point.
Multiple parallel link machines that can be pivoted to the left and right
And Rotatable via the support point on the other side of the parallel link mechanism
Gripping mechanism arranged on the inner side to grip the module on the inner peripheral side
When, Deploying and / or rotating the parallel link mechanism,
A drive mechanism to move the inner module horizontally
Consists of For moving internal structure of a nuclear fusion reactor
Place. 2. The fusion reactorAt least the inner circumference of the furnace internals
Divided into upper and outer modules
Loading / unloading from portEquipment for moving the internal structure of a fusion reactor
In placeA guide equipped with a guide mechanism that travels in the vertical guide groove
Ram and An up-down drive mechanism for moving the guide mechanism up and down, A cross beam fixed laterally to the column; Lateral plan formed on the back of the outer peripheral module
Engage with the inner groove, grasp the outer peripheral side module, and
A sleeve sliding on the beam, The sleeve and the rack mesh with the rack mechanism provided on the cross beam.
And the outer peripheral module is moved along the cross beam.
Drive mechanism Fusion reactors characterized by the following:
Internal structure moving device. 3. The fusion reactorAt least the inner circumference of the furnace internals
Divided into upper and outer modules
Loading / unloading from portEquipment for moving the internal structure of a fusion reactor
In placeA switch equipped with a guide mechanism that runs in the vertical guide groove
Ride base and An up-down drive mechanism for moving the guide mechanism up and down, The slide base can be moved up and down through one support point.
Multiple parallel link machines that can be pivoted to the left and right
And Rotatable via the support point on the other side of the parallel link mechanism
Gripping mechanism arranged on the inner side to grip the module on the inner peripheral side
When, Deploying and / or rotating the parallel link mechanism,
Drive mechanism for moving the inner module horizontally
When, A guide equipped with a guide mechanism that travels in the vertical guide groove
Ram and An up-down drive mechanism for moving the guide mechanism up and down, A cross beam fixed laterally to the column; Lateral plan formed on the back of the outer peripheral module
Engage with the inner groove, grasp the outer peripheral side module, and
A sleeve sliding on the beam, The sleeve and the rack mesh with the rack mechanism provided on the cross beam.
And the outer peripheral module is moved along the cross beam.
Drive mechanism Fusion reactors characterized by the following:
Internal structure moving device. (4)The method according to any one of claims 1 to 3.
In the reactor internal structure moving device of the nuclear fusion reactor, A guide groove connected to the vertical guide groove;
Equipped with carry-out / load-in means to store and carry out joules
Get An apparatus for moving an internal structure of a nuclear fusion reactor. (5)An internal structure of the fusion reactor according to claim 4.
In mobile devices, Said unload / load means is located above said upper port
And the same as the furnace inner wall housed in the cask
A guide plate having a guide groove having a shape;
A moving mechanism that moves the rate up and down, and supports the moving mechanism
And a support mechanism having a position fine adjustment mechanism, The moving mechanism lowers the guide plate into the furnace.
The plan of the vertical direction of the guide plate and the inner wall surface of the furnace
It is means to make the inner groove close to, The position fine adjustment mechanism includes the vertical guide groove and the transport
Guide grooves for exit / load-in means The guide so that
It is a means to adjust the position of the plate Characterized by
For moving internal structures of nuclear fusion reactors.