KR101661134B1 - A device make solid cake from papers radioactive waste of Nuclear Power Plant - Google Patents

A device make solid cake from papers radioactive waste of Nuclear Power Plant Download PDF

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Publication number
KR101661134B1
KR101661134B1 KR1020150114750A KR20150114750A KR101661134B1 KR 101661134 B1 KR101661134 B1 KR 101661134B1 KR 1020150114750 A KR1020150114750 A KR 1020150114750A KR 20150114750 A KR20150114750 A KR 20150114750A KR 101661134 B1 KR101661134 B1 KR 101661134B1
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KR
South Korea
Prior art keywords
cake
radioactive waste
immersion
dipping
paper
Prior art date
Application number
KR1020150114750A
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Korean (ko)
Inventor
박호점
김민수
박정원
Original Assignee
주식회사 액트알엠티
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Priority to KR1020150114750A priority Critical patent/KR101661134B1/en
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Publication of KR101661134B1 publication Critical patent/KR101661134B1/en

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    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
    • G21F9/28—Treating solids
    • G21F9/30—Processing
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
    • G21F9/04—Treating liquids
    • G21F9/06—Processing
    • G21F9/08—Processing by evaporation; by distillation
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
    • G21F9/28—Treating solids
    • G21F9/34—Disposal of solid waste
    • G21F9/36—Disposal of solid waste by packaging; by baling

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for manufacturing a paper-based radioactive waste solid cake in a nuclear power plant, and its object is to produce a radioactive waste solid cake having a certain size by applying moisture and compression to paper- So as to be able to dispose of a considerably larger amount of paper-based radioactive waste per unit drum; The composition comprises a radioactive waste dipping cake producing unit for producing an immersion cake by compressing and immersing the paper-type radioactive waste; A radioactive waste solid cake production unit for producing a radioactive waste solid cake by compressing and drying the radioactive waste dipping cake produced from the radioactive waste dipping cake production unit; And a radioactive waste immersion cake transfer part for collecting the radioactive waste immersion cake produced from the radioactive waste immersion cake manufacturing part and transferring the collected radioactive waste immersion cake to the radioactive waste solid cake production part.

Description

Technical Field [0001] The present invention relates to a radioactive waste disposal apparatus for a nuclear power plant,

The present invention relates to a device for manufacturing a paper-based radioactive waste solid cake in a nuclear power plant, and more particularly, to a device for manufacturing a paper cake radioactive waste cake cake by immersing the paper-type radioactive waste generated in a nuclear power plant with moisture, A nuclear power plant capable of easily discarding the paper-based radioactive waste per unit drum, by compressing and heating the radioactive waste dipping cake manufactured after the final production of the radioactive waste solid cake having moisture evaporated, The present invention relates to a paper-making radioactive waste solid cake manufacturing apparatus.

Generally, in nuclear power plants, a large amount of paper-based radioactive waste is continuously generated, and such paper-based radioactive waste is compressed and discarded by drum disposal method.

However, the conventional paper-like radioactive waste as described above has a problem in that it is practically impossible to maintain the volume in a compressed state because the porosity is large and the volume increases due to the self- there was.

Disclosure of the Invention The present invention has been made in view of the above problems, and an object of the present invention is to provide a radioactive waste solid cake having a predetermined size by applying water and compression to the paper radioactive waste to be treated for drum disposal, The present invention provides a paper-based radioactive waste solid cake manufacturing apparatus of a nuclear power plant capable of disposing a considerably large amount of paper-based radioactive waste per unit drum by storing it in a drum for use in a nuclear power plant.

An object of the present invention is to provide a radioactive waste immersion cake production unit for producing an immersion cake by compressing and immersing paper-like radioactive waste in a container; A radioactive waste solid cake production unit for producing a radioactive waste solid cake by compressing and drying the radioactive waste dipping cake produced from the radioactive waste dipping cake production unit; And a radioactive waste immersion cake transfer part for collecting the radioactive waste immersion cake produced from the radioactive waste immersion cake production part and transferring the collected radioactive waste immersion cake to the radioactive waste solid cake production part. Can be achieved by a radioactive waste solid cake manufacturing apparatus.

The apparatus for manufacturing a paper-based radioactive waste solid cake of a nuclear power plant according to the present invention comprises a disk-type radioactive waste solid cake having the same size as the inner diameter of the drum, It is possible to discard drastically a large amount of paper-based radioactive waste per drum.

FIG. 1 is a perspective view showing an apparatus for manufacturing a paper-based radioactive waste solid cake in a nuclear power plant according to the present invention,
FIG. 2 is a partially enlarged cross-sectional view showing a manufacturing section of a radioactive waste dipping cake in a paper cake radioactive waste solid cake manufacturing apparatus of a nuclear power plant according to the present invention,
FIG. 3 is a partially enlarged cross-sectional view of a water supply and compression plate of the radioactive waste dipping cake producing unit shown in FIG. 2,
FIG. 4 is a partially enlarged cross-sectional view showing a section for manufacturing a solid cake of radioactive waste in a paper cake radioactive waste solid cake manufacturing apparatus of a nuclear power plant according to the present invention,
FIG. 5 is a plan view schematically showing a radioactive waste immersion cake transfer part in a radioactive waste solid cake production part,
6 is an operating state sectional view illustrating a state in which the radioactive waste dipping cake disposed on the radioactive waste dipping cake transfer portion shown in Fig. 5 is transferred to the drying cylinder of the radioactive waste solid cake production portion,
FIG. 7 is a schematic view showing an example of an apparatus for manufacturing a solid cake of paper-type radioactive waste in a nuclear power plant according to the present invention; FIG. 7 is a schematic view of the apparatus for manufacturing a radioactive waste- Fig. 2 is an illustration showing an example of a solid cake.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of a paper-based radioactive waste solid cake manufacturing apparatus of a nuclear power plant according to the present invention will be described in detail with reference to the accompanying drawings.

1, an apparatus 10 for manufacturing a paper-type radioactive waste solid cake of a nuclear power plant according to the present invention comprises a radioactive waste immersion cake producing unit 20, a radioactive waste solid cake producing unit 30, a radioactive waste immersion cake transferring unit 40).

1 and 2, the radioactive waste dipping cake producing unit 20 compresses and immerses the paper radioactive waste 100 to produce a radioactive waste dipping cake 100, and includes a base plate 21, A closed door 22, an immersion cake forming cylinder 24, a compressor 25, a water supply and compression plate 26, and a door operation cylinder 23.

The base plate 21 has an immersion cake discharge hole 21a formed therethrough, and is installed horizontally.

The discharge open / close door 22 is installed in close contact with the bottom surface of the base plate 21 so as to be slidable to open / close the discharge port 21a of the base plate 21.

The bottom of the immersion cake forming cylinder 24 is fixed to the bottom of the immersion cake discharging hole 21a of the base plate 21 in a vertical direction.

The compressor (25) is vertically installed on the upper side of the immersion cake forming cylinder (24).

The door operation cylinder 23 horizontally operates the discharge open / close door 22 to open / close the dipping cake discharge hole 21a.

3 and 4, the water supply and compression plate 26 compresses the paper-type radioactive waste 100 mounted on the lower end portion of the piston of the compressor 25 and stored inside the immersion cake forming cylinder 24 At the same time, water is supplied to the paper-type radioactive waste 100 to form the paper-like radioactive waste into the dipping cake 200, which comprises a main body 26d and a compression frame 26e.

The main body 26d is in the shape of a disk having a hollow inside and is formed in a central part of the upper surface to communicate with the inner hollow and is protruded. The main body 26d has a water inlet 26a on the outer peripheral surface, And a plurality of nozzle holes 26c formed through the lower surface of the piston assembly 26b.

The compression frame 26e is a disc-shaped grid frame and is fixed to the lower surface of the main body 26d to compress the paper-type radioactive waste 100 stored in the immersion cake forming cylinder 24, (200).

1, 4 and 7, the radioactive waste solid cake producing unit 30 compresses and dries the radioactive waste dipping cake 200 manufactured from the radioactive waste dipping cake producing unit 20 to produce a radioactive waste solid A plurality of heaters 34, a compressor 35 and a compression plate 36. The base plate 31, the discharge open / close door 32, the drying cylinder 33, And a door operating cylinder 37,

The base plate 31 has a solid cake discharging hole 31a formed therethrough and is installed horizontally.

The discharge open / close door 32 is installed to be slidably contacted with the lower surface of the base plate 31 to open / close the solid cake discharge hole 31 a of the base plate 31.

The drying cylinder 33 is a cylindrical shape having open top and bottom and is fixed vertically on the opening of the solid cake discharge hole 31a of the base plate 31. [

The plurality of heaters 34 are mounted along the outer peripheral surface of the drying cylinder 33 to heat the drying cylinder 33.

The compressor (35) is vertically installed on the drying cylinder.

The compression plate 36 is a disk having a built-in heater 36a therein. The compression plate 36 compresses and dries the radioactive waste dipping cake 200 mounted in the lower end portion of the piston of the compressor to place the radioactive waste solid cake 300 ).

The door operation cylinder 37 horizontally operates the discharge open / close door 32 to open / close the solid cake discharge hole 31a.

Referring to FIGS. 1, 5, 6 and 7, the radioactive waste dipping cake transfer part 40 collects the radioactive waste dipping cake 200 manufactured from the radioactive waste dipping cake production part 20, The immersion cake transfer path 42, the immersion cake guide path 43, and the pushing member 45. The immersion cake immersion cake 200 is transferred to the radioactive waste solid cake production section 30, 44, and an operation cylinder 45. [

The main plate 41 is a flat plate and is installed at a position lower than the base plate 21 of the radioactive waste dipping cake producing unit 20.

One end of the immersion cake transfer path 42 is disposed below the immersion cake discharge hole 21a of the radioactive waste immersion cake producing section 20 and the other end is integrally connected to one end of the main plate 41 And is sent to the main plate 41 by the own weight of the radioactive waste dipping cake 200 by receiving the radioactive waste dipping cake 200 discharged through the dipping cake discharge hole 21a of the radioactive waste dipping cake producing part 20 .

One end of the immersion cake guide path 43 is slantly connected to the upper end of the drying cylinder 33 of the radioactive waste solid cake producing unit 30 and the other end is integrally connected to the other end of the main plate 41 The radioactive waste dipping cake 200 disposed on the main plate 41 is guided to the upper end of the drying cylinder 33 of the radioactive waste solid cake producing unit 30. [

The plunger 44 is disposed at the end of the main plate 41 opposite to the immersion cake guide path 42 and the immersion liquid immersion cake 200 disposed on the main plate 41, The radioactive waste immersion cake 200 is received in the drying cylinder 33 by pushing the radioactive waste to the upper end of the drying cylinder 33 of the radioactive waste solid cake producing unit 30 along the path 42, And has a pushing portion 44b at the front end portion which abuts against the immersion cake to push the immersion cake to the upper end of the drying cylinder and the rear end portion is mounted to the piston end of the operation cylinder 45. [

The actuating cylinder 45 drives the plunger 44 in a straight line.

The apparatus 10 for manufacturing paper-based radioactive waste solid cakes according to the present invention having the above-described structure can supply water to the paper-type radioactive waste 100 from the radioactive waste dipping cake producing unit 20, The radioactive waste dipping cake 200 produced after the first production of the cake 200 is transferred to the drying cylinder 33 of the radioactive waste solid cake production section 30 by the radioactive waste dipping cake transfer section 40 And the radioactive waste solid cake 300 is produced by compressively drying the radioactive waste dipping cake 200 in the radioactive waste solid cake producing unit 30. [

7, the radioactive waste dipping cake 200 and the radioactive waste solid cake 300 are formed in the shape of a disk and have the same diameter as the inner diameter of the drum used in the drum disposal treatment, It is possible to significantly increase the storage amount of the paper radioactive waste per unit drum by merely stacking and storing the radioactive waste solid cake 300.

10: Paper type radioactive waste solid cake manufacturing equipment of nuclear power plant
20: Manufacture of radioactive waste dipping cake
21, 31: base plate 22, 32: discharge open closed door
23, 37: door operating cylinder 24: immersion cake forming cylinder
25, 35: compressor 26: water supply compression plate
30: Radioactive waste solid cake production department
33: drying cylinder 34: heater
36: Compression plate 40: Radioactive waste immersion cake transfer part
41: main plate 42: immersion cake transport path
43: immersion cake guide passage 44:
45: Operation cylinder

Claims (6)

delete A radioactive waste dipping cake producing unit 20 for producing the radioactive waste dipping cake 200 by compressing and dipping the paper radioactive waste 100; A radioactive waste solid cake producing unit 30 for producing a radioactive waste solid cake 300 by compressing and drying the radioactive waste dipping cake 200 produced from the radioactive waste dipping cake producing unit 20; A radioactive waste immersion cake (200) for collecting the radioactive waste immersion cake (200) manufactured from the radioactive waste immersion cake production section (20) and transferring the collected radioactive waste immersion cake (200) to the radioactive waste solid cake production section And a transferring unit (40), characterized in that the apparatus for manufacturing a paper-like radioactive waste solid cake of a nuclear power plant comprises:

The radioactive waste dipping cake producing section 20 is a device
A base plate 21 having a through hole 21a formed therein so as to be horizontally installed; A discharge open / close door 22 installed to be in close contact with the lower surface of the base plate 21 to open / close the discharge port 21a of the base plate 21; An immersion cake forming cylinder 24 in which a lower end portion is fixed vertically on the opening of the immersion cake discharging hole 21a of the base plate 21; A compressor 25 installed vertically above the immersion cake forming cylinder 24; The paper-type radioactive waste 100, which is mounted on the lower end portion of the piston of the compressor 25 and stored inside the immersion cake forming cylinder 24, is compressed while moisture is supplied to the paper-type radioactive waste 100, A water supply compression plate 26 for forming the water supply compartment plate 200; And a door operation cylinder (23) for horizontally operating the discharge open closed door (22) to open and close the dip cake discharge hole (21a);

The radioactive waste solid cake production part (30)
A base plate 31 having a solid cake discharge hole 31a formed therethrough and horizontally installed; And a discharge open / close door (32) installed in close contact with the lower surface of the base plate (31) so as to be slidable to open / close the solid cake discharge hole (31a) of the base plate (31); A drying cylinder 33 vertically fixed on the opening of the solid cake discharge hole 31a of the base plate 31; A plurality of heaters (34) mounted along an outer peripheral surface of the drying cylinder (33) to heat the drying cylinder (33); A compressor 35 installed vertically above the drying cylinder; A disk having a built-in heater (36a) therein, compressing and drying the radioactive waste dipping cake (200) placed in the lower end of the piston of the compressor and disposed in the drying cylinder to produce a radioactive waste solid cake (300) 36); And a door operation cylinder (37) for horizontally operating the discharge open / close door (32) to open / close the solid cake discharge hole (31a);

The radioactive waste submerged cake transfer part (40)
A main plate 41 provided at a position lower than the base plate 21 of the radioactive waste dipping cake producing unit 20 as a flat plate; And the other end is integrally connected to one end of the main plate 41 to form the radioactive waste dipping cake producing section 20 An immersion cake transfer path 42 for receiving the radioactive waste immersion cake 200 discharged through the immersion cake discharge hole 21a of the main body 40 and transferring it to the main plate 41 by its own weight of the radioactive waste immersion cake 200; And the other end is integrally connected to the other end of the main plate 41 and is disposed on the main plate 41. The other end of the radioactive waste solid cake producing part 30 is connected to the upper end of the drying cylinder 33, An immersion cake guide path (43) for guiding the radioactive waste immersion cake (200) to the upper end of the drying cylinder (33) of the radioactive waste solid cake production part (30); The radioactive waste immersion cake 200 disposed at the end of the main plate 41 facing the immersion cake guide path 42 and disposed on the main plate 41 is moved along the immersion cake guide path 42 A pushing member 44 for pushing the radioactive waste dipping cake 200 up to the upper end of the drying cylinder 33 of the radioactive waste solid cake producing unit 30 to receive the radioactive waste dipping cake 200 into the drying cylinder 33; And an operating cylinder (45) for linearly driving the pushing member (44).
delete delete 3. The method of claim 2,
The pusher member (44)
(44a) at the middle portion, and a pushing portion (44b) for pushing the immersion cake against the upper end portion of the drying cylinder by abutting against the immersion cake at the front end, and the rear end portion has a piston end Wherein the apparatus is mounted to a nuclear power plant.
3. The method of claim 2,
The water supply and compression plate (26)
(26a) formed on the outer circumferential surface thereof and a recessed portion (26a) formed to be fixedly assembled to the piston end of the compressor (25) A main body 26d having a piston assembly hole 26b and a plurality of nozzle holes 26c formed through the lower surface thereof;
Shaped grid frame which is fixed to the lower surface of the main body 26d and compresses the paper-type radioactive waste 100 stored in the immersion cake forming cylinder 24 to form a radioactive waste jam cake 200 And a frame (26e). ≪ RTI ID = 0.0 > 26. < / RTI >
KR1020150114750A 2015-08-13 2015-08-13 A device make solid cake from papers radioactive waste of Nuclear Power Plant KR101661134B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101960721B1 (en) * 2017-09-28 2019-03-22 한국원자력연구원 Packing method of sintered radioactive solid waste in drum
KR20230020190A (en) * 2021-08-03 2023-02-10 주식회사 오리온이엔씨 System for enhancing utilization efficiency of storage drums to store waste generated from dismantling nuclear power plants and method of the same

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06154199A (en) * 1992-11-27 1994-06-03 Toshiba Medical Eng Co Ltd Image processing device
JPH07284749A (en) * 1994-04-15 1995-10-31 Toufuku Kk General waste treatment plant
JP2013047623A (en) * 2011-08-29 2013-03-07 Hitachi-Ge Nuclear Energy Ltd Volume reduction processing method of radioactive waste

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06154199A (en) * 1992-11-27 1994-06-03 Toshiba Medical Eng Co Ltd Image processing device
JPH07284749A (en) * 1994-04-15 1995-10-31 Toufuku Kk General waste treatment plant
JP2013047623A (en) * 2011-08-29 2013-03-07 Hitachi-Ge Nuclear Energy Ltd Volume reduction processing method of radioactive waste

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101960721B1 (en) * 2017-09-28 2019-03-22 한국원자력연구원 Packing method of sintered radioactive solid waste in drum
KR20230020190A (en) * 2021-08-03 2023-02-10 주식회사 오리온이엔씨 System for enhancing utilization efficiency of storage drums to store waste generated from dismantling nuclear power plants and method of the same
KR102583162B1 (en) * 2021-08-03 2023-09-26 주식회사 오리온이엔씨 System for enhancing utilization efficiency of storage drums to store waste generated from dismantling nuclear power plants and method of the same

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