KR101101242B1 - Small equipment in-cell transfer lock system - Google Patents

Small equipment in-cell transfer lock system Download PDF

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Publication number
KR101101242B1
KR101101242B1 KR1020100023696A KR20100023696A KR101101242B1 KR 101101242 B1 KR101101242 B1 KR 101101242B1 KR 1020100023696 A KR1020100023696 A KR 1020100023696A KR 20100023696 A KR20100023696 A KR 20100023696A KR 101101242 B1 KR101101242 B1 KR 101101242B1
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KR
South Korea
Prior art keywords
small
opening
chamber
cart
slider
Prior art date
Application number
KR1020100023696A
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Korean (ko)
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KR20110104672A (en
Inventor
구정회
김호동
백승제
유길성
유병옥
이원경
이은표
정원명
조일제
홍동희
Original Assignee
한국수력원자력 주식회사
한국원자력연구원
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Priority to KR1020100023696A priority Critical patent/KR101101242B1/en
Publication of KR20110104672A publication Critical patent/KR20110104672A/en
Application granted granted Critical
Publication of KR101101242B1 publication Critical patent/KR101101242B1/en

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    • GPHYSICS
    • G21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21FPROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F7/00Shielded cells or rooms
    • G21F7/005Shielded passages through walls; Locks; Transferring devices between rooms

Abstract

The small device and the small material transfer device between hot cells according to the present invention, the concentration and the negative pressure of oxygen and moisture in the inert gas atmosphere hot cell when the small device and the small material transfer between the air atmosphere hot cell handling the nuclear material and the inert gas atmosphere hot cell It is configured to be easy to maintain by a remote control, while maintaining a stable, specifically, penetrated through the shielding wall between the hot cells to communicate the two hot cells, openings are formed at both ends, the opening The chamber is configured to selectively open and close; A cart on which the small device and the small material are seated and installed in the chamber so that the opening and the opening of the chamber enter and exit the opening; And a driving unit configured to move the cart for entering and exiting the opening.

Description

Small equipment in-cell transfer lock system between inert-air atmosphere hot cell

The present invention is a device for transporting between a small device and a small material transfer device between hot cells, when the small device and the small material between the inert gas atmosphere hot cell handling the nuclear material and the air atmosphere hot cell to each other, by strictly limiting the concentration of oxygen and moisture The present invention relates to a small device and a small material transfer device between hot cells capable of minimizing an increase in concentration of oxygen and moisture in an inert atmosphere hot cell being operated and capable of remote maintenance.

Existing devices for transferring small devices and materials between the air atmosphere hot cell and the inert atmosphere hot cell that handle nuclear materials are inclined in size by the opening of the opening door to be inclined and the size of the small devices and materials to be transferred is limited. It is difficult to observe the structure.

In addition, the handling of small devices and materials to be transported is difficult, and the device for driving the cart in the chamber is located in the chamber, making it very difficult to operate it.

In addition, the opening / closing door rotates around the hinge and is closed by the weight of the opening / closing door, and the O-ring side sliding phenomenon shortens the life of the O-ring and reduces sealing reliability. Driven by steel wire.

The present invention was devised to solve the above problems, and when the small device and the small material are mutually transferred between an inert gas atmosphere hot cell and an air atmosphere hot cell handling nuclear material, the oxygen and water concentrations are strictly limited to operate. An object of the present invention is to provide a small device and a small material transfer device between hot cells capable of minimizing an increase in concentration of oxygen and moisture in an inert atmosphere hot cell, which can be remotely maintained.

In order to achieve the above object, the small device and the small material transfer device between hot cells according to a preferred embodiment of the present invention, the small device and the small material transfer between the air atmosphere hot cell and inert gas atmosphere hot cell handling the nuclear material, While maintaining the atmosphere of the inert gas atmosphere hot cell stably, the remote control is configured to facilitate maintenance.

Specifically, the present invention is a preferred embodiment, the penetrating through the shielding wall between the hot cells to communicate the two hot cells, the opening is formed at both ends, the opening is configured to selectively open and close; A cart on which the small device and the small material are seated and installed in the chamber so that the opening and the opening of the chamber enter and exit the opening; And a driving unit configured to move the cart for entering and exiting the opening.

At this time, the driving unit, the upper rail and the lower rail respectively installed on both sides of the chamber; A slider disposed at both sides of the inside of the chamber to move along the upper rail and the lower rail, an upper roller mounted on the upper rail, and a lower roller mounted on the lower rail; And a cart rail disposed on both outer sides of the cart so as to be interposed between the upper roller and the lower roller of the slider so that the cart is disposed between the two sliders and moved along the slider. Preferably, the cart is moved by a remote controller disposed within and remotely controlled.

In addition, the driving unit is installed in each of the inner lower surface of the chamber corresponding to the copper line of the slider, the first stopper protruding to stop the slider to be moved to one side, and the protruding to stop the slider to be moved to the other side And a second stopper, wherein a first locking step for catching the first stopper and a second locking step for catching the second stopper are formed on the bottom surface of the slider, so that the slider is fastened to the chamber. It is preferable to move while maintaining.

The driving unit may further include a stopper bolt protruding from the cart rail toward the slider side, and the stopper bolt is inserted into one side of the slider facing the cart rail such that the stopper bolt is inserted and moved in the longitudinal direction of the slider. It is preferable that a slide groove is formed so that the cart is moved while keeping the cart engaged with the slider.

On the other hand, according to another preferred embodiment of the present invention, a chamber penetrates through the shielding wall between the hot cells to communicate the two hot cells, the chamber formed with openings at both ends; And a cart on which the small device and the small material are seated and configured to enter and exit the opening when the opening of the chamber is opened. And a small opening and closing device between the hot cells, wherein the opening and closing portion is configured to open and close the opening while stably maintaining the atmosphere of the hot cell.

Here, the opening and closing portion, the bracket provided on the shielding wall; A door lever pivotally connected to the bracket; And an opening / closing door mounted to the door lever to selectively open and close the opening of the chamber according to the rotation of the door lever.

In addition, the opening and closing door is hinged to the door lever in the longitudinal direction by the fastening pin in the longitudinal direction, the opening and closing portion is screwed while passing through the door lever, the ends of the adjustment bolt to reach the central side of the opening and closing door; Further, when the opening of the chamber is closed in the opening and closing door, the opening and closing door is rotated about the hinge fastening point with respect to the door lever by the rotation of the adjusting bolt, the O-ring provided in the flange of the chamber It is desirable to block the jungle and to increase the sealing force.

In addition, the opening and closing portion, at least one toggle clamp configured on the flange of the chamber so as to press the edge of the opening and closing door relative to the flange when closing the opening of the chamber to the opening and closing door; Do.

At this time, the opening and closing portion is installed on the flange of the chamber, at least one holder formed with a fastening hole; It is preferred that the toggle clamp is mounted on one side, the cartridge is configured to be fastened to the holder; further comprising a remote control disposed in the hot cell, the remote control, the toggle clamp is preferably detachable with respect to the holder. .

The opening and closing part may further include a cylinder installed in the bracket to provide a rotational force to the door lever, and the toggle clamp and the cylinder may be driven by an inert gas.

Further, the opening and closing portion, it is preferable to further include a limit switch connected to the door lever to control the door lever to be configured so that only one of the opening of the opening of the both ends of the chamber is configured on the bracket; .

In addition, the present invention further includes a vacuum pump connected to the suction pipe to the chamber, it is preferable that the inert gas injection pipe is connected to the chamber.

The compact device and the small material transfer device between hot cells according to the present invention are systems that can be used in an inert gas atmosphere hot cell in which oxygen and moisture concentrations are strictly required, and the cart is completely exposed to the outside from the chamber to maximize the utilization of the cart. have.

In addition, by constructing the system to minimize the damage of the O-ring inserted into the flange of the chamber when opening and closing the opening and closing doors, the life of the O-ring can be extended by injecting inert gas between the O-rings, as well as extending the life of the O-ring. It can be confirmed, since the fastening structure that can be completely sealed in the chamber, it is possible to sufficiently purge the inside of the chamber with an inert gas.

In addition, the toggle clamp for close contact with the opening and closing door to the chamber flange has a structure that is easy to maintain in the form of a cartridge, by using a toggle clamp and a cylinder using an inert gas to minimize the influence on the hot cell held inert gas, It has an effect which does not affect an inert atmosphere hot cell.

1 is a plan view showing a compact device and a small material transfer device between hot cells according to a preferred embodiment of the present invention.
FIG. 2 is a front view illustrating a compact device and a compact material transport device between hot cells of FIG. 1.
FIG. 3 is a right side view showing the small device and the small material conveying device between the hot cells of FIG. 1.
4 is a cross-sectional view taken along line AA of FIG. 2.
5 is a plan view showing that the opening of the chamber is opened by the operation of the opening and closing unit in the small device between the hot cells and the small material transfer device of FIG. 1 to move the cart to the outside.
FIG. 6 is a front view illustrating the small device and the small material transport device between the hot cells of FIG. 5.
7 is a front view showing the cart in the compact device between the hot cell and the small material transfer device of FIG.
8 is a plan view of the cart of FIG.
9 is a right side view of the cart of FIG.
FIG. 10 is a plan view illustrating a slider in the small device between the hot cells and the small material transport device of FIG. 1.
FIG. 11 is a front view illustrating the slider of FIG. 10.
12 is a rear view of the slider of FIG. 10.
FIG. 13 is a right side view of the slider of FIG. 10.
FIG. 14 is a plan view illustrating a holder in the compact apparatus and the compact material transfer apparatus between hot cells of FIG. 1.
15 is a front view illustrating the holder of FIG. 14.
FIG. 16 is a front view illustrating a toggle clamp in the small device between the hot cells and the small material transport device of FIG. 1.
FIG. 17 is a front view illustrating that the toggle clamp of FIG. 16 is inserted into the holder of FIG. 15.
18 is a plan view illustrating a toggle clamp inserted into the holder of FIG. 17.

The present invention is configured to facilitate maintenance by a remote controller, while maintaining a stable atmosphere of the inert gas atmosphere hot cell when transporting a small device and a small material between the air atmosphere hot cell and the inert gas atmosphere hot cell handling the nuclear material. It is characterized by.

1 is a plan view showing a small device and a small material transfer device between hot cells according to a preferred embodiment of the present invention, Figure 2 is a front view showing a small device and a small material transfer device between the hot cells of Figure 1, Figure 3 4 is a right side view illustrating the small device and the small material transfer device between hot cells of FIG. 4, and FIG. 4 is a cross-sectional view taken along line AA of FIG.

Referring to the drawings, the small device and the small material transfer device between the hot cells of the present invention, the chamber 20 is installed through the shield wall 1 between the hot cells to communicate the two hot cells, and the chamber 20 ), A cart 40, a driving unit, and an opening / closing unit.

The chamber 20 is configured to communicate between two hot cells, wherein the two hot cells are heterogeneous hot cells having different atmospheres, for example, one side may be an air atmosphere hot cell and the other side may be an inert gas atmosphere hot cell. .

Here, the chamber 20 is penetrated and fixed to the shielding wall 1 between the hot cells, and openings are formed at both ends to serve as connection paths of the hot cells on both sides.

In addition, the chamber 20 accommodates a cart 40 for transferring the material such that the small device and the small material are transferred through the chamber 20.

That is, the cart 40 has a small device and a small material is mounted, it is installed in the chamber 20 to enter and exit the opening when the opening of the chamber 20 is opened.

7 to 9, the cart 40 has a seating groove 40a which is downwardly formed so that a small device and a small material may be seated and accommodated in the seating groove 40a.

In addition, the grip bar 46 is formed in both directions to be moved, and in particular, is configured by connecting the ends of the cart rails 42 on both sides. The grip bar 46 is to allow the cart 40 to be pulled out of the chamber 20 or pushed into the chamber 20 by a remote controller (not shown) disposed in the hot cell and remotely controlled.

In addition, on both sides of the upper portion of the cart 40, the input preventing plate 49 may be configured so that the small device and the small material do not enter the components of the drive unit described later.

In addition, the driving unit is configured to be moved for entering and exiting the chamber 20 of the cart 40.

The driving unit includes an upper rail 22, a lower rail 24, a slider 30, and a cart rail 42 configured in the chamber 20.

The upper rail 22 and the lower rail 24, as shown in Figure 4, are installed on both sides of the interior of the chamber 20, respectively. Of course, the upper rail 22 and the lower rail 24 are configured to face each other for the slider 30 which is disposed between and moved.

In addition, the slider 30 is disposed on both sides of the inside of the chamber 20, and is configured to move along the upper rail 22 and the lower rail 24.

Specifically, as shown in FIGS. 4 and 10 to 13, the slider 30 is mounted on the upper roller 32 which is in contact with the upper rail 22 on the upper side, and the lower rail 24 on the lower side. The lower roller 34 which is in close contact with is mounted.

Of course, a plurality of upper rollers 32 and lower rollers 34 may be installed in an appropriate number to correspond to the size and shape of the slider 30.

At this time, in order for the cart 40 to move in the longitudinal direction of the slider 30, the space between the upper roller 32 and the lower roller 34 to which the cart rail 42 of the cart 40 is fitted is fastened to the slider ( The plurality of upper rollers 32 and the lower rollers 34 are appropriately arranged so as to be straight in the longitudinal direction of 30.

As the upper roller 32 and the lower roller 34 rotate in contact with the upper rail 22 and the lower rail 24, respectively, the slider 30 moves in the longitudinal direction of the upper rail 22 and the lower rail 24. That is, the both ends of the chamber 20 may be moved toward the opening side.

Meanwhile, as shown in FIGS. 4 and 7 to 9, the cart rail 42 includes a slider such that the cart 40 is disposed between the two sliders 30 and moved along the slider 30. The upper roller 32 and the lower roller 34 of the 30 is sandwiched between the two sides of the cart 40 so as to be fastened to each other.

In other words, the cart 40 is provided with cart rails 42 formed on both outer surfaces of the cart 40 so as to be fastened to the slider 30 and movable along the longitudinal direction of the slider 30.

At this time, the cart rail 42 is sandwiched between the upper roller 32 and the lower roller 34 of the slider 30 so as to be in contact with each other up and down.

By the driving unit configured as described above, a process of moving the cart 40 will be described.

First, the remote controller, which is disposed in the hot cell and is remotely controlled, applies an external force to the grip bar 46 of the cart 40 to move the cart 40.

At this time, the cart rail 42 on both sides of the cart 40 moves while rotating the upper roller 32 and the lower roller 34 of the slider 30 disposed above and below.

When the upper roller 32 and the lower roller 34 rotate in this way, the slider 30 moves along the upper rail 22 and the lower rail 24 fixed in the chamber 20.

As a result, the cart 40 supported by the slider 30 moves outward through the opening of the chamber 20, and at the same time the slider 30 also moves outward through the opening of the chamber 20, whereby the cart ( 40 may be completely moved to the outside of the chamber 20 and placed in the hot cell.

Meanwhile, the driving unit further includes a first stopper 26 and a second stopper 28 installed in the chamber 20 so that the slider 30 moves while maintaining the state in which the slider 30 is fastened to the chamber 20. The first locking step 36 and the second locking step 38 are formed at 30.

As shown in FIGS. 4 and 10 to 13, the first stopper 26 and the second stopper 28 are respectively installed at portions corresponding to the copper wires of the slider 30 among the lower surfaces of the chamber 20. do.

In addition, the first locking step 36 and the second locking step 38 are formed on the lower surface of the slider 30.

At this time, the first stopper 26 has a protruding shape such that the slider 30 which is moved to one side stops at a predetermined point, and the first locking step 36 is engaged with the first stopper 26 by the slider 30. ) Has a stepped shape, i.e., a groove formed long in the longitudinal direction by a predetermined length.

Here, the first stopper 26 fixed to the chamber 20 at the portion where the groove ends while the first stopper 26 is inserted into the groove along with the movement of the slider 30 is fixed. If is caught, the slider 30 can no longer move to one side.

Similarly, the second stopper 28 has a protruding shape so that the slider 30 which is moved to the other side stops at a predetermined point, and the second locking step 38 is engaged by the second stopper 28. 30) has a stepped shape, that is, a groove formed in the longitudinal direction by a predetermined length.

Here, the second stopper 28 fixed to the chamber 20 at the portion where the groove is moved and the groove ends, with the second stopper 28 introduced into the groove along with the movement of the slider 30. If is caught, the slider 30 can no longer move to one side.

Of course, the first locking step 36 and the second locking step 38, as shown in Figs. 11 and 12, are formed on the front and rear of the lower surface of the slider 30, respectively, corresponding to the first The stopper 26 and the second stopper 28 are also disposed on the lower surface of the chamber 20.

Accordingly, the first stopper 26 and the second stopper 28, and the first locking step 36 and the second locking step 38, as shown in FIGS. 5 and 6, the slider 30. ) Is moved to one side or the other side so that the state coupled with the chamber 20 is not released to be moved within a stable state.

In addition, the drive unit further includes a stopper bolt 43 installed on the cart 40 so that the cart 40 moves while maintaining the state in which the cart 40 is fastened to the slider 30, and the slider 30 includes a slide groove ( 30a) is formed.

As shown in FIGS. 4 and 10 to 13, the stopper bolt 43 protrudes from the cart rail 42 toward the slider 30.

In addition, the slide groove 30a is formed on one surface of the slider 30 facing the cart rail 42 such that the stopper bolt 43 is inserted and moved along the longitudinal direction of the slider 30.

Accordingly, as shown in FIGS. 5 and 6, the stopper bolt 43 and the slide groove 30a are not released when the cart 40 is moved to one side or the other side of the stopper bolt 43 and the slide groove 30a. To move in a stable state.

On the other hand, the opening and closing portion is configured to open and close the opening while maintaining a stable atmosphere of the hot cell.

The opening and closing part includes a bracket 60 installed on the shielding wall 1, a door lever 70 connected to be rotated to the bracket 60, and an opening and closing door 80 mounted on the door lever 70.

The bracket 60 is installed on the shielding wall 1, and the door lever 70 and the opening / closing door 80 are configured to open and close the chamber 20. The door lever 70 and the opening / closing door 80 are installed. ) Can be supported while fixing the position is not limited by the present invention for the installation position and structure.

In addition, the door lever 70 is pivotally connected to the bracket 60, the opening and closing door 80 is mounted to the door lever 70 to open the opening of the chamber 20 in accordance with the rotation of the door lever 70 And selectively open and close.

The opening and closing door 80 may further include an adjustment bolt 82 which is centrally hinged to the door lever 70 by the fastening pin 81 in the longitudinal direction, and is screwed while passing through the door lever 70. have.

The adjustment bolt 82 is screwed through the door lever 70 toward the opening and closing door 80 side, the head is located on the opposite side of the opening and closing door 80, the passing end is both sides of the center of the opening and closing door 80 Leads to

To close the opening of the O-ring 21 provided on the flange of the chamber 20 and increase the sealing force, when the opening of the chamber 20 is closed by the opening / closing door 80, the opening / closing door is rotated by the adjustment bolt 82. 80 is rotated about the hinge fastening point for the door lever 70, thereby forming an opening and closing structure close to the flange of the chamber 20.

And, the opening and closing portion, as shown in Fig. 14 to 18, the chamber 20 to press the edge of the opening and closing door 80 against the flange when closing the opening of the chamber 20 with the opening and closing door 80, At least one toggle clamp 84 is configured on the flange of the) may be further included.

The toggle clamp 84 closes the opening / closing door 80 to the flange of the chamber 20 to compress the O-ring 21 to enable a complete sealing, thereby maintaining a stable and secure closed structure.

At this time, the opening and closing portion is installed on the flange of the chamber 20, at least one holder 86, the fastening hole (86a) is formed, and the toggle clamp 84 is mounted on one side, the cartridge configured to be inserted into the holder 86 Further comprising 85, the toggle clamp 84 can be configured to be detachable with respect to the holder 86 by means of a remote controller disposed in the hot cell and remotely controlled.

Toggle clamp 84 of such a structure has a simple coupling structure of the fastening, the assembly is improved and at the same time has the advantage of easy maintenance by the remote control.

On the other hand, the opening and closing portion further includes a cylinder 72 installed in the bracket 60 to provide a rotational force for the door lever 70, the cylinder 72 and the toggle clamp 84 is driven with an inert gas.

This is to avoid affecting oxygen and moisture in the inert gas atmosphere hot cell.

In addition, the opening and closing portion may be configured an interlock system in which only one of the openings of the opening of the both ends of the chamber 20 is opened.

To this end, the opening and closing part further includes a limit switch 74 connected to the door lever 70 and installed on the bracket 60 to control the door lever 70.

In addition, the present invention further includes a vacuum pump 90 connected to the suction pipe 91 to the chamber 20, and the inert gas injection pipe 94 is connected to the chamber 20.

In this way, by constructing a system for purging the air atmosphere in the chamber 20 to the inert gas atmosphere, when the small device and the small material is transferred from the air atmosphere hot cell to the inert gas atmosphere hot cell, oxygen and moisture in the inert gas atmosphere hot cell Do not affect.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. It is to be understood that various changes and modifications may be made without departing from the scope of the appended claims.

1: shielding wall 20: chamber
21: O-ring 22: upper rail
24: lower rail 26: first stopper
28: second stopper 30: slider
32: upper roller 34: lower roller
36: first stepped step 38: second stepped step
30a: slide groove 40: cart
42: cart rail 43: stopper bolt
46: grip bar 49: injection prevention plate
60: bracket 70: door lever
72: cylinder 74: limit switch
80: opening and closing door 81: fastening pin
82: adjusting bolt 84: toggle clamp
85: cartridge 86: holder
86a: fastening hole 90: vacuum pump
91: suction pipe 94: inert gas injection pipe

Claims (13)

  1. delete
  2. A chamber penetrated by a shielding wall between the hot cells to communicate two hot cells, with openings formed at both ends thereof, the opening being configured to be opened and closed selectively;
    A cart on which the small device and the small material are seated and installed in the chamber so that the opening and the opening of the chamber enter and exit the opening; And
    A driving unit configured to move the cart for entering and exiting the opening;
    Small device and a small material transfer device between the hot-cell comprising a.
  3. The method of claim 2,
    The driving unit,
    Upper and lower rails respectively installed on both sides of the chamber;
    A slider disposed at both sides of the inside of the chamber to move along the upper rail and the lower rail, an upper roller mounted on the upper rail, and a lower roller mounted on the lower rail; And
    And a cart rail disposed between two outer sides of the cart so that the cart is sandwiched between the two sliders and moved between the sliders so as to move between the upper rollers and the lower rollers of the sliders.
    The small device and the small material transfer device between hot cells, characterized in that the cart is moved by a remote controller that is disposed in the hot cell to be remotely controlled.
  4. The method of claim 3,
    The driving unit,
    A first stopper protruding from each of the inner lower surfaces of the chamber to correspond to the copper line of the slider, the first stopper protruding to stop the slider that is moved to one side, and the second stopper protruding to stop the slider to be moved to the other side; Including,
    The lower surface of the slider is provided with a first locking step that is caught by the first stopper and a second locking step that is caught by the second stopper,
    Small device between the hot cell and the small material transfer device, characterized in that the slider is moved while maintaining the state coupled to the chamber.
  5. The method of claim 3,
    The driving unit,
    And a stopper bolt protruding from the cart rail toward the slider.
    A slide groove is formed on one surface of the slider facing the cart rail so that the stopper bolt is inserted to move in the longitudinal direction of the slider.
    Small apparatus between the hot cell and the small material transfer device, characterized in that the cart is moved while maintaining the state coupled to the slider.
  6. A chamber formed through the shielding wall between the hot cells to communicate two hot cells with openings formed at both ends thereof; And
    A cart on which the small device and the small material are seated and configured to enter and exit the opening when the opening of the chamber is opened; And
    An opening and closing portion configured to open and close the opening while stably maintaining the atmosphere of the hot cell;
    Small device and a small material transfer device between the hot-cell comprising a.
  7. In accordance with claim 6,
    The opening /
    A bracket installed on the shielding wall;
    A door lever pivotally connected to the bracket; And
    An opening / closing door mounted on the door lever to selectively open and close the opening of the chamber according to the rotation of the door lever;
    Small device and a small material transfer device between the hot-cell comprising a.
  8. The method of claim 7, wherein
    The opening and closing door is hinged to the door lever by the fastening pin in the center of the longitudinal direction,
    The opening /
    Further comprising a; adjusting bolts that are screwed while passing through the door lever and the ends reach both sides of the center of the opening and closing door;
    When closing the opening of the chamber by the opening and closing door, the opening and closing door is rotated about the hinge fastening point with respect to the door lever by the rotation of the adjustment bolt, to block the sliding of the O-ring provided in the flange of the chamber Small device and small material transfer device between hot cells characterized in that to increase the sealing force.
  9. The method of claim 7, wherein
    The opening /
    At least one toggle clamp configured on a flange of the chamber to press secure the edge of the open / close door to the flange of the chamber when the opening of the chamber is closed;
    Small device between the hot cell and the small material transfer device further comprises a.
  10. 10. The method of claim 9,
    The opening /
    At least one holder installed on a flange of the chamber and having a fastening hole formed therein;
    The toggle clamp is mounted on one side, the cartridge is configured to be inserted into the holder; further comprising,
    And the toggle clamp is detachable with respect to the holder by a remote controller disposed in the hot cell and remotely controlled.
  11. 10. The method of claim 9,
    The opening /
    And a cylinder installed on the bracket to provide a rotational force to the door lever.
    Small device and small material transfer device between the hot cell, characterized in that the toggle clamp and the cylinder is driven with an inert gas.
  12. The method of claim 7, wherein
    The opening /
    A limit switch connected to the door lever so as to control the door lever so that only one opening of one of the openings at both ends of the chamber is opened;
    Small device between the hot cell and the small material transfer device further comprises a.
  13. 7. The method according to claim 2 or 6,
    Further comprising; a vacuum pump connected to the suction pipe to the chamber,
    The small device and the small material transfer device between hot cells, characterized in that the inert gas injection pipe is connected to the chamber.
KR1020100023696A 2010-03-17 2010-03-17 Small equipment in-cell transfer lock system KR101101242B1 (en)

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KR20110104672A KR20110104672A (en) 2011-09-23
KR101101242B1 true KR101101242B1 (en) 2012-01-04

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KR20180064641A (en) 2016-12-06 2018-06-15 한국원자력연구원 Device for driving hot cell shielding door

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KR101249905B1 (en) * 2011-11-07 2013-04-03 한국원자력연구원 Apparatus for transferring hot cell equipment
KR101538558B1 (en) * 2013-12-31 2015-07-23 한국원자력연구원 System for the safe transfer of neutron irradiated radioactive material between pools

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KR20030093452A (en) * 2002-06-03 2003-12-11 김병두 A Ti based welding wire with superior resistance to wearing
KR200393452Y1 (en) 2005-06-09 2005-08-22 주식회사 핵광산업 Hot cell

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180064641A (en) 2016-12-06 2018-06-15 한국원자력연구원 Device for driving hot cell shielding door

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