KR102583162B1 - System for enhancing utilization efficiency of storage drums to store waste generated from dismantling nuclear power plants and method of the same - Google Patents

System for enhancing utilization efficiency of storage drums to store waste generated from dismantling nuclear power plants and method of the same Download PDF

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KR102583162B1
KR102583162B1 KR1020210101970A KR20210101970A KR102583162B1 KR 102583162 B1 KR102583162 B1 KR 102583162B1 KR 1020210101970 A KR1020210101970 A KR 1020210101970A KR 20210101970 A KR20210101970 A KR 20210101970A KR 102583162 B1 KR102583162 B1 KR 102583162B1
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waste
mold
waste material
frame
nuclear power
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KR20230020190A (en
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이운장
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주식회사 오리온이엔씨
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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
    • G21F9/34—Disposal of solid waste
    • 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
    • G21F9/008—Apparatus specially adapted for mixing or disposing radioactively contamined material
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/20—Waste processing or separation

Abstract

본 발명은 원전해체 폐기물 저장드럼 활용효율을 높일 수 있는 방법 및 시스템에 관한 것이다. 그러한 처리장치는, 프레임(2)과; 프레임(2)의 상부에 장착되어 아래 방향으로 승하강함으로써 건축자재 생산공정에서 발생되는 폐자재를 압축하는 압축기(1)와; 그리고 압축된 폐자재를 얇게 압출하거나 펠릿형태로 성형하여 채움재 등으로 사용할 수 있는 성형기(3)를 포함한다.The present invention relates to a method and system that can increase the utilization efficiency of nuclear power plant decommissioning waste storage drums. Such a processing device includes a frame (2); A compressor (1) mounted on the upper part of the frame (2) that compresses waste materials generated in the construction material production process by moving up and down in a downward direction; It also includes a molding machine (3) that can extrude the compressed waste material thinly or mold it into a pellet shape to use it as a filler.

Description

원전 해체 폐기물 저장드럼의 활용효율을 높일 수 있는 방법 및 시스템{System for enhancing utilization efficiency of storage drums to store waste generated from dismantling nuclear power plants and method of the same}{System for enhancing utilization efficiency of storage drums to store waste generated from dismantling nuclear power plants and method of the same}

본 발명은 원전해체 폐기물 저장드럼의 처리 방법 및 시스템에 관한 것으로서, 보다 상세하게는 폐자재를 압축하고, 압축된 슬러지를 얇게 인출하거나, 펠릿형태로 성형하여 방사성 폐기물 저장용기의 채움재로 활용할 수 있는 기술에 관한 것이다.The present invention relates to a method and system for processing nuclear power plant decommissioning waste storage drums, and more specifically, to compressing waste materials, drawing out the compressed sludge thinly, or molding it into pellets, which can be used as a filler for radioactive waste storage containers. It's about technology.

일반적으로 원자력 발전소에서는 다량의 중저준위 폐기물 등 다량의 폐기물이 발생한다. 그리고, 이러한 건축자재 제조공장에서 생산되는 폐자재는 압축기 등을 이용해서 감용을 하고 저장하는데, 현재는 200톤 용량의 압축기를 이용하여 압축하고 있다.In general, nuclear power plants generate large amounts of waste, including large amounts of low- and medium-level waste. In addition, the waste materials produced at these building material manufacturing plants are reduced and stored using compressors, etc., and are currently compressed using a compressor with a capacity of 200 tons.

이러한 잡고체 폐기물은 다양한 방식으로 감용되는 바, 예를 들면, 압축방식에 의하여 폐기물을 압축하는 경우, 폐기물을 드럼의 내부에 투입하고, 상하 왕복운동을 하는 압축기에 의하여 수차례 다짐으로써 압축을 실시하게 된다.These solid wastes are compressed in various ways. For example, when compressing waste by the compression method, the waste is put into the inside of a drum and compacted several times by a compressor that reciprocates up and down. I do it.

그러나, 이러한 종래의 잡고체 처리장치에 의하여 압축을 실시하는 경우, 드럼의 내부에 균일하게 압축되지 못하여 일부 빈 공간이 발생하는 바, 폐기물 인수기준'에 고시되어있는 용기의 채움율이 85% 이상 되어야 한다는 조항을 충족하지 못하여 용적률이 미달되는 문제점이 있다.However, when compression is performed using such a conventional solid material processing device, the inside of the drum is not compressed uniformly, resulting in some empty space, and the filling rate of the container as specified in the 'Waste Acceptance Standard' is 85% or more. There is a problem with the floor area ratio falling short because it does not meet the requirements.

특허출원 제10-1400-79454호(명칭:중저준위 방사성 폐기물의 처리 시스템)Patent Application No. 10-1400-79454 (Name: Low and intermediate level radioactive waste disposal system)

따라서, 본 발명은 상기한 문제점을 해결하기 위하여 제안된 것으로서, 본 발명의 목적은 건축자재 제조공장에서 생산되는 폐자재를 활용하여 압축하고, 압축된 슬러지를 얇게 인출하거나, 펠릿형태로 성형하여 방사성 폐기물 저장용기의 채움재로 활용함으로써 저장용기의 용적률을 높일 수 있는 기술을 제공하는 것이다.Therefore, the present invention was proposed to solve the above problems, and the purpose of the present invention is to compress waste materials produced at a building materials manufacturing plant, draw out the compressed sludge thinly, or mold it into pellets to produce radioactive substances. It provides a technology that can increase the floor area ratio of a waste storage container by using it as a filler for the storage container.

본 발명의 다른 목적은, 차폐효과를 갖는 황산바륨과 내식성을 갖는 HDPE(High Density Polyethylene)도 채움재로 활용할 수 있는 기술을 제공하는 것이다.Another object of the present invention is to provide a technology that can utilize barium sulfate, which has a shielding effect, and HDPE (High Density Polyethylene), which has corrosion resistance, as a filler.

상기한 목적을 달성하기 위하여 본 발명의 일 실시예는, 폐기물 처리 장치를 제공하는 것으로서, 폐기물 처리장치는,In order to achieve the above object, one embodiment of the present invention provides a waste treatment device, which includes:

프레임(2)과; 프레임(2)의 상부에 장착되어 아래 방향으로 승하강함으로써 폐자재를 압축하는 압축기(1)와; 그리고 압축된 폐자재를 얇게 압출하거나 펠릿형태로 성형하여 채움재로 사용할 수 있는 성형기(3)를 포함한다.Frame (2) and; A compressor (1) mounted on the upper part of the frame (2) to compress the waste material by moving up and down in a downward direction; It also includes a molding machine (3) that can extrude the compressed waste material thinly or mold it into a pellet form and use it as a filler.

상기한 본 발명의 실시예에 따른 폐기물 처리장치는 다음과 같은 효과가 있다.The waste treatment device according to the above-described embodiment of the present invention has the following effects.

첫째, 건축자재 제조공장에서 생산되는 폐자재를 압축하고, 압축된 슬러지를 얇게 인출하거나, 펠릿형태로 성형하여 방사성 폐기물 저장용기의 채움재(충진재)로 활용함으로써 저장용기의 용적률을 높일 수 있는 효과가 있다.First, there is the effect of increasing the volume ratio of the storage container by compressing the waste materials produced at the building materials manufacturing plant, drawing out the compressed sludge thinly, or molding it into pellets and using it as a filler for the radioactive waste storage container. there is.

둘째, 건축자재 제조공장에서 생산되는 폐자재를 채움재 등으로 재활용함으로써 환경공해를 억제할 수 있고, 폐자재의 처리 비용을 절감할 수 있으며, 모래 또는 시멘트와 같은 고가의 원료를 대체할 수 있고, 이산화탄소 발생량을 99% 이상 감소할 수 있는 효과가 있다.Second, by recycling waste materials produced in building materials manufacturing plants as filler materials, environmental pollution can be suppressed, waste material disposal costs can be reduced, and expensive raw materials such as sand or cement can be replaced. It has the effect of reducing carbon dioxide emissions by more than 99%.

셋째, 차폐효과를 갖는 황산바륨과 내식성을 갖는 HDPE(High Density Polyethylene)도 채움재로 활용할 수 있는 효과가 있다.Third, barium sulfate, which has a shielding effect, and HDPE (High Density Polyethylene), which has corrosion resistance, can also be used as fillers.

도 1은 본 발명의 일 실시예에 따른 폐기물 처리장치를 보여주는 사시도이다.
도 2는 도 1에 도시된 성형기의 내부 구조를 보여주는 측면도이다.1 is a perspective view showing a waste treatment device according to an embodiment of the present invention.
Figure 2 is a side view showing the internal structure of the molding machine shown in Figure 1.

이하, 본 발명의 일 실시예에 따른 폐기물 처리 장치에 대하여 첨부된 도면을 참조하여 상세하게 설명한다.Hereinafter, a waste treatment device according to an embodiment of the present invention will be described in detail with reference to the attached drawings.

도 1 및 도 2에 도시된 바와 같이, 본 발명이 제안하는 폐기물의 처리장치(1)는 프레임(2)과; 프레임(2)의 상부에 장착되어 아래 방향으로 승하강함으로써 폐자재를 압축하는 압축기(1)와; 압축된 폐자재를 얇게 압출하거나 펠릿형태로 성형하여 채움재로 사용할 수 있는 성형기(3)를 포함한다.As shown in Figures 1 and 2, the waste treatment device 1 proposed by the present invention includes a frame 2; A compressor (1) mounted on the upper part of the frame (2) to compress the waste material by moving up and down in a downward direction; It includes a molding machine (3) that can extrude compressed waste materials thinly or mold them into pellets and use them as filler.

이러한 구조를 갖는 폐기물의 처리장치에 있어서,In the waste treatment device having this structure,

압축기(1)는 상하로 승하강함으로써 압축몰드(5)의 내부로 진입하여 폐자재를 일정 압력으로 가압함으로써 압축하게 된다.The compressor 1 moves up and down to enter the inside of the compression mold 5 and compresses the waste material by pressurizing it to a certain pressure.

이러한 압축기(1)는 다양한 방식이 가능하며, 예를 들면 프레임(2)에 고정되는 실린더(9)와; 이 실린더(9)에 진출입 가능하게 장착되어 승하강하는 피스톤(11)과; 피스톤(11)의 하단에 장착되어 압축몰드(5)의 내부로 진입하여 폐자재를 가압하는 가압판(7)을 포함한다.This compressor (1) can be made in various ways, for example, a cylinder (9) fixed to the frame (2); A piston (11) that is mounted to be able to enter and exit the cylinder (9) and rises and falls; It includes a pressure plate 7 that is mounted at the bottom of the piston 11 and enters the interior of the compression mold 5 to pressurize the waste material.

이때, 실린더(9)는 유압 혹은 공압방식이 가능하다.At this time, the cylinder 9 can be hydraulic or pneumatic.

따라서, 가압판(7)을 아래 방향으로 하강시키고자 하는 경우에는, 실린더(9)에 유압 혹은 공압 등을 전달함으로써 피스톤(11)이 하강하도록 하여 가압판(7)을 하강시킬 수 있다.Therefore, when it is desired to lower the pressure plate 7 downward, the pressure plate 7 can be lowered by transmitting hydraulic or pneumatic pressure to the cylinder 9 to cause the piston 11 to descend.

압축몰드(5)는 내부에 빈 공간이 형성됨으로써 내부에 폐자재가 투입되면 1차적으로 압축하는 기능을 수행한다.The compression mold 5 forms an empty space inside, and thus performs the function of primarily compressing waste materials when they are input therein.

이와 같이, 압축몰드(5)의 내부에서 압축된 폐자재는 성형기(3)로 이동된다.In this way, the waste material compressed inside the compression mold 5 is moved to the molding machine 3.

성형기(3)로 이동된 폐자재는 얇은 두께를 갖고 긴 길이를 갖도록 인출되거나, 펠릿형태로 성형됨으로써 채움재(충진재)로 사용될 수 있다.The waste material moved to the molding machine 3 can be drawn out to have a thin thickness and a long length, or can be used as a filler by being molded into a pellet form.

보다 상세하게 설명하면,To explain in more detail,

성형기(3)는 폐자재가 공급되어 저장되는 몰드(13)와; 몰드(13)의 내부에 승하강 가능하게 장착되어 폐자재를 가압하는 프레스(21)와; 프레스(21)를 승하강시키는 실린더 조립체(17,19)와; 몰드(13)의 바닥면에 형성되어 가압된 폐자재를 일정 형상으로 배출시키는 성형틀(14)을 포함한다.The molding machine 3 includes a mold 13 into which waste materials are supplied and stored; A press 21 mounted to be raised and lowered inside the mold 13 to pressurize the waste material; Cylinder assemblies 17 and 19 that raise and lower the press 21; It includes a mold 14 formed on the bottom of the mold 13 to discharge the pressurized waste material in a certain shape.

이러한 성형기(3)에 있어서,In this molding machine (3),

프레스(21)는 몰드(13)의 내부 단면적과 동일 내지 유사한 형상을 갖음으로써 몰드(13) 내부에 저장된 폐자재를 효과적으로 가압할 수 있다.The press 21 can effectively pressurize the waste material stored inside the mold 13 by having a shape that is the same or similar to the internal cross-sectional area of the mold 13.

그리고, 프레스(21)는 실린더 조립체(17,19)에 의하여 승하강하는 바, 실린더 조립체(17,19)는 프레스(21)의 상면에 연결되어 승하강하는 피스톤(17)과; 피스톤(17)을 구동시키는 실린더(19)를 포함한다.In addition, the press 21 is raised and lowered by the cylinder assemblies 17 and 19, which include a piston 17 connected to the upper surface of the press 21 and raised and lowered; It includes a cylinder 19 that drives the piston 17.

따라서, 실린더(19)가 구동하는 경우, 피스톤(17)이 승하강함으로써 프레스(21)가 몰드(13) 내부의 폐자재를 가압할 수 있다.Therefore, when the cylinder 19 is driven, the piston 17 moves up and down, allowing the press 21 to pressurize the waste material inside the mold 13.

이때, 폐자재는 보다 원활한 가압을 위하여 레진을 일정 비율로 혼합할 수 있다.At this time, waste materials can be mixed with resin at a certain ratio for smoother pressurization.

이와 같이 레진이 혼합된 폐자재가 프레스(21)에 의하여 가압되는 경우, 폐자재는 성형틀(14)을 통하여 외부로 배출되며, 이 과정에서 일정 형상으로 성형될 수 있다.In this way, when the waste material mixed with resin is pressurized by the press 21, the waste material is discharged to the outside through the mold 14, and can be molded into a certain shape during this process.

예를 들면, 성형틀(14)의 홀(18)을 작은 직경을 갖도록 함으로써 이 홀(18)을 통과하여 외부로 배출된 폐자재가 얇고 긴 형상을 갖도록 할 수 있어서 채움재 등으로 사용될 수 있다. 이때, 홀(18)의 내주면에 발열부재를 배치함으로써 폐자재를 가열하여 보다 용이하게 성형할 수 있다.For example, by making the hole 18 of the mold 14 have a small diameter, the waste material discharged to the outside through the hole 18 can be made to have a thin and long shape, so that it can be used as a filler, etc. At this time, by disposing a heating member on the inner peripheral surface of the hole 18, the waste material can be heated and molded more easily.

또는, 펠릿형태로 짧게 성형할 수도 있다. 즉, 몰드(13)의 하부에 나이프(Knife)를 배치하여, 폐자재가 성형틀(14)의 홀(18)을 통과할 때 일정 길이마다 나이프(20)를 이용하여 절단함으로써 펠릿형태로 성형하여 채움재 등으로 사용할 수 있다.Alternatively, it can be briefly molded into pellet form. That is, a knife is placed at the bottom of the mold 13, and when the waste material passes through the hole 18 of the mold 14, the waste material is cut at a certain length using the knife 20 to form a pellet. It can be used as a filler, etc.

한편, 차폐효과를 갖는 황산바륨과 내식성을 갖는 HDPE(High Density Polyethylene)도 채움재로 활용할 수 있다.Meanwhile, barium sulfate, which has a shielding effect, and HDPE (High Density Polyethylene), which has corrosion resistance, can also be used as fillers.

Claims (4)

프레임(2)과;
프레임(2)의 상부에 장착되어 아래 방향으로 승하강함으로써 폐자재를 압축하는 압축기(1)와; 그리고
압축된 폐자재를 얇게 압출하거나 펠릿형태로 성형하는 성형기(3)를 포함하고,
성형기(3)는 폐자재가 공급되어 저장되는 몰드(13)와;
몰드(13)의 내부에 승하강 가능하게 장착되어 폐자재를 가압하는 프레스(21)와;
프레스(21)를 승하강시키는 실린더 조립체(17,19)와;
몰드(13)의 바닥면에 형성되어 가압된 폐자재를 홀(18)을 통하여 가압함으로써 일정 형상으로 배출시켜서 채움재로 사용하는 성형틀(14)을 포함하며,
홀(18)의 내주면에 발열부재를 배치하여 폐자재를 가열하는 폐기물 처리 장치.Frame (2) and;
A compressor (1) mounted on the upper part of the frame (2) to compress the waste material by moving up and down in a downward direction; and
It includes a molding machine (3) that extrudes the compressed waste material thinly or molds it into a pellet form,
The molding machine 3 includes a mold 13 into which waste materials are supplied and stored;
A press 21 mounted to be raised and lowered inside the mold 13 to pressurize the waste material;
Cylinder assemblies 17 and 19 that raise and lower the press 21;
It includes a mold 14 that is formed on the bottom of the mold 13 and discharges the pressurized waste material into a certain shape by pressing it through the hole 18 and uses it as a filler,
A waste disposal device that heats waste materials by placing a heating member on the inner peripheral surface of the hole (18). 제 1항에 있어서,
압축기(1)는 프레임(2)에 고정되는 실린더와; 이 실린더(9)에 진출입 가능하게 장착되어 승하강하는 피스톤(11)과; 피스톤(11)의 하단에 장착되어 압축몰드(5)의 내부로 진입하여 폐자재를 가압하는 가압판(7)을 포함하는 폐기물 처리 장치.According to clause 1,
The compressor (1) includes a cylinder fixed to the frame (2); A piston (11) that is mounted to be able to enter and exit the cylinder (9) and rises and falls; A waste disposal device including a pressure plate (7) mounted at the bottom of the piston (11) that enters the inside of the compression mold (5) and pressurizes the waste material. 삭제delete 제 1항에 있어서,
성형틀(14)의 하부에는 나이프(20)를 장착하여 외부로 압출되는 폐자재를 일정 길이로 절단함으로써 펠릿 형태로 성형할 수 있는 폐기물 처리 장치.According to clause 1,
A waste disposal device that is equipped with a knife (20) at the bottom of the mold (14) and can be molded into pellets by cutting the waste material extruded to the outside to a certain length.
KR1020210101970A 2021-08-03 2021-08-03 System for enhancing utilization efficiency of storage drums to store waste generated from dismantling nuclear power plants and method of the same KR102583162B1 (en)

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KR101661134B1 (en) * 2015-08-13 2016-09-29 주식회사 액트알엠티 A device make solid cake from papers radioactive waste of Nuclear Power Plant
KR101676274B1 (en) * 2016-05-24 2016-11-29 세안기술 주식회사 A pelletizing system of the concentrated waste solidified by paraffin and controll method thereof
KR101752729B1 (en) * 2016-05-31 2017-06-30 주식회사 오리온이엔씨 Method for compressing miscellaneous radioactive waste and the system of the same

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Publication number Priority date Publication date Assignee Title
JP5463397B2 (en) 2011-09-14 2014-04-09 国立大学法人京都大学 Frozen desserts and frozen dessert ingredients

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101661134B1 (en) * 2015-08-13 2016-09-29 주식회사 액트알엠티 A device make solid cake from papers radioactive waste of Nuclear Power Plant
KR101676274B1 (en) * 2016-05-24 2016-11-29 세안기술 주식회사 A pelletizing system of the concentrated waste solidified by paraffin and controll method thereof
KR101752729B1 (en) * 2016-05-31 2017-06-30 주식회사 오리온이엔씨 Method for compressing miscellaneous radioactive waste and the system of the same

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