WO2013042840A1 - 비대칭 경사형 바닥을 갖는 유도가열식 용융로 - Google Patents
비대칭 경사형 바닥을 갖는 유도가열식 용융로 Download PDFInfo
- Publication number
- WO2013042840A1 WO2013042840A1 PCT/KR2012/001134 KR2012001134W WO2013042840A1 WO 2013042840 A1 WO2013042840 A1 WO 2013042840A1 KR 2012001134 W KR2012001134 W KR 2012001134W WO 2013042840 A1 WO2013042840 A1 WO 2013042840A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- melting furnace
- induction heating
- furnace
- floor
- waste
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
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Classifications
-
- 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
- G21F9/16—Processing by fixation in stable solid media
- G21F9/162—Processing by fixation in stable solid media in an inorganic matrix, e.g. clays, zeolites
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
- C03B5/02—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture in electric furnaces, e.g. by dielectric heating
- C03B5/021—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture in electric furnaces, e.g. by dielectric heating by induction heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/06—Crucible or pot furnaces heated electrically, e.g. induction crucible furnaces with or without any other source of heat
- F27B14/061—Induction furnaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details specially adapted for crucible or pot furnaces
- F27B14/10—Crucibles
-
- 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
- G21F9/16—Processing by fixation in stable solid media
-
- 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
- G21F9/28—Treating solids
- G21F9/30—Processing
- G21F9/308—Processing by melting the 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
- G21F9/28—Treating solids
- G21F9/30—Processing
- G21F9/32—Processing by incineration
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
Definitions
- the present invention relates to an induction heating furnace having an asymmetrically inclined bottom, and more particularly, the bottom of the furnace is asymmetrically inclined, so that the waste inside the furnace can be completely melted and easily discharged to the outside. It relates to an induction heating furnace having an asymmetrically inclined bottom that can prevent electrical damage in advance due to insulating material.
- Nuclear power plants use glass solids that can minimize environmental impact by simultaneously injecting protective clothing, PVC and vinyl sheets, waste ion exchange resins, boric acid waste, slurry, and dried materials generated during operation and maintenance into induction heating furnaces. In addition to making it possible, techniques are being used to reduce the amount of radioactive waste drums produced.
- CCIM Cold Crucible Induction Melter
- waste such as radioactive and non-radioactive is accommodated therein.
- the melting furnace 10 is provided with a bottom member 20 in the lower portion is melted waste contained in the melting furnace 10 is discharged to the outside through the glass outlet 21 formed in the center of the bottom member 20.
- the induction coil member 30 is surrounded by the outer circumference of the melting furnace 10 to melt the waste.
- the induction coil member 30 supplies electric power in a state surrounded by the outer circumference of the melting furnace 10 to melt waste contained in the melting furnace 10.
- the conventional melting furnace has a hopper shape that narrows toward the bottom, there is a problem that the melt contained therein is not completely melted and discharged to the outside.
- an object of the present invention is that the bottom of the melting furnace is formed asymmetrically inclined, the waste inside the melting furnace can be completely melted and easily discharged to the outside, it is possible to block the electrical damage in advance due to the insulating material as a component.
- the melting furnace provided with an induction coil member for melting the waste contained in the interior of the cylindrical melting furnace to vitrify, provided in the lower portion of the melting furnace, asymmetrically in the direction of the glass outlet formed on the bottom Inclined bottom member; And a cooling member provided integrally with the bottom member. It is achieved by an induction heating melting furnace having an asymmetric inclined bottom, characterized in that it comprises a.
- the bottom member may include: a partition having a plurality of polygonal shapes and having a predetermined interval; And an insulating material portion provided between the partition portions. It is preferable to include.
- the partition is preferably made of rounded corners.
- the partition is preferably provided radially in accordance with the position of the glass outlet.
- the bottom of the melting furnace is formed in an asymmetrical inclined shape, the waste inside the melting furnace can be completely melted and easily discharged to the outside, thereby maximizing efficiency according to reduced time and cost.
- the insulating material as a component it is possible to block in advance the electrical damage caused by the electric arc.
- FIG. 1 is a front view showing a partial cross-sectional state of the melting furnace according to the prior invention
- Figure 2 is a front view showing a partial cross-sectional state of the induction heating furnace having an asymmetrical inclined bottom according to the present invention
- FIG. 3 is a plan view showing a bottom member according to the present invention.
- Figure 4 is a cross-sectional view showing the magnetic field distribution formed inside the induction heating melting furnace having an asymmetrical inclined bottom in accordance with the present invention.
- compartment 220 insulating material
- Induction heating furnace having an asymmetrically inclined bottom according to the present invention is surrounded by an induction coil member around the outer periphery of the furnace, as shown in Figure 3, a plurality of compartments of the bottom member
- the insulating material portion is filled in the portion, and as shown in FIG. 4, current is generated from the induction coil member that surrounds the outer circumference of the furnace.
- an induction heating melting furnace having an asymmetrically inclined bottom includes a melting furnace 100, a bottom member 200, an induction coil member 300, and a cooling member 400.
- the melting furnace 100 is formed in a cylindrical shape and wastes such as radioactive and non-radioactive are contained therein.
- the melting furnace 100 is composed of a container for receiving the waste for melting and a cover for sealing the received waste.
- the bottom member 200 is provided below the melting furnace 100, and is formed to be inclined in the direction of the glass outlet 230 formed at the bottom of the bottom member 200.
- the bottom member 200 is formed to be inclined in the direction of the glass outlet 230, waste and foreign matter having a certain viscosity flows toward the glass outlet 230 by its own weight is discharged to the outside .
- the bottom member 200 has a plurality of partitions 210 having a polygonal shape and have a predetermined interval.
- the partition portion 210 is made of a polygonal shape, but mainly made of a triangular shape, it may be made of a fan shape as necessary.
- the partition portion 210 has one end portion formed in a streamlined shape, and the other ends facing each other also have a streamlined shape, but the streamlined portion at one end is formed longer than the streamlined portion at the other end facing each other.
- the partition portion 210 formed in a streamline at one end is connected to the streamline in the other end in a straight line.
- the partition 210 has a rounded corner, and together with the insulating material portion 220 described below, electric arc generation is blocked to minimize electrical damage.
- the partition 210 is provided radially according to the position of the glass outlet 230.
- the insulating material portion 220 is provided between the partition portions 210 and is made of a ceramic-based material that is physically, chemically, and thermally stable.
- the partition portion 210 is separated from the partition portions 210 by filling the insulating material portion 220 between the partition portions 210 while being provided radially around the glass outlet 230.
- the waste melted inside the melting furnace 100 due to the bottom member 200 is easily discharged to the outside.
- the cooling member 400 is provided integrally with the bottom member 200, and is provided in the partitions 210 of the bottom member 200, respectively.
- the cooling member 400 is made of a plurality of " ⁇ " shape of one end of the cooling member 400 is provided on the outer end of the partition portion 210, of the cooling member 400 facing each other The other one end is provided at the outer one end of the other partition 210 isolated.
- Partition 210 is preferably provided in consideration of the cooling efficiency and the overall structure of the melting furnace 100 by having a separate cooling water outlet inlet to be cooled separately.
- the coolant is introduced by the cooling member 400 and discharged to the outside via the respective partitions 210.
- Induction coil member 300 is used to melt the waste contained in the melting furnace 100, is provided around the outer circumference of the melting furnace 100.
- the induction coil member 300 melts the waste contained in the melting furnace 100 due to the power supplied.
- the induction coil member 300 is a current circulating at a high frequency of 100 kHz or more, the range of the circulating current extends to the bottom member 200 of the melting furnace 100.
- the waste contained in the melting furnace 100 due to the induction coil member 300 is completely melted without lumps.
- the induction heating furnace having an asymmetrical inclined bottom used to vitrify the waste, the bottom member 200 and the induction coil member 300 is standardized and modularized in the factory in advance. Improve work efficiency in the field.
- Melting furnace 100 is a waste for melting to be sequentially stacked inside.
- the induction coil member 300 is supplied with electric power in a state provided around the outer periphery of the melting furnace 100 to melt the waste contained in the interior of the melting furnace 100.
- the molten waste flows down toward the glass outlet 230 formed at the bottom of the bottom member 200 to be discharged to the outside.
- the induction coil member 300 continuously supplies power to completely melt the waste contained in the melting furnace 100.
- the induction coil member 300 is discharged without clogging in the glass outlet 230 because the waste contained in the interior of the melting furnace 100 is completely melted without lumps due to the power applied to the entire bottom member 200.
- the bottom of the melting furnace is formed in an asymmetrical inclined shape, the waste inside the melting furnace can be completely melted and easily discharged to the outside, thereby maximizing efficiency according to reduced time and cost.
- the insulating material as a component it is possible to block in advance the electrical damage caused by the electric arc.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Inorganic Chemistry (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Furnace Details (AREA)
- General Induction Heating (AREA)
- Glass Melting And Manufacturing (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Processing Of Solid Wastes (AREA)
- Crucibles And Fluidized-Bed Furnaces (AREA)
Abstract
Description
Claims (4)
- 원통형 형상의 용융로의 내부에 수용된 폐기물을 유리화되도록 용융시키는 유도 코일부재가 구비된 용융로에 있어서,상기 용융로의 하부에 구비되되, 바닥에 형성된 유리배출구 방향으로 비대칭되게 경사진 바닥부재; 및상기 바닥부재에 일체형으로 구비되는 냉각부재; 를 포함하는 것을 특징으로 하는 비대칭 경사형 바닥을 갖는 유도가열식 용융로.
- 제 1 항에 있어서,상기 바닥부재는:다각형 형상으로 다수를 가지면서 소정의 간격을 갖는 구획부; 및상기 구획부의 사이에 구비되는 절연물질부; 를 포함하는 것을 특징으로 하는 유리배출구 방향으로 비대칭 경사형 바닥을 갖는 유도가열식 용융로.
- 제 2 항에 있어서,상기 구획부는 모서리가 라운드로 이루어진 것을 특징으로 하는 유리배출구 방향으로 비대칭 경사형 바닥을 갖는 유도가열식 용융로.
- 제 2 항에 있어서,상기 구획부는 유리배출구의 위치에 따라 방사형으로 구비되는 것을 특징으로 하는 유리배출구 방향으로 비대칭 경사형 바닥을 갖는 유도가열식 용융로.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/883,789 US8718114B2 (en) | 2011-09-19 | 2012-02-15 | Induction melting furnace having asymmetrical sloping bottom |
| JP2013543115A JP5604012B2 (ja) | 2011-09-19 | 2012-02-15 | 非対称傾斜型底を持つ誘導加熱式溶融炉 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020110094290A KR101238800B1 (ko) | 2011-09-19 | 2011-09-19 | 비대칭 경사형 바닥을 갖는 유도가열식 용융로 |
| KR10-2011-0094290 | 2011-09-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2013042840A1 true WO2013042840A1 (ko) | 2013-03-28 |
Family
ID=47914581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/KR2012/001134 Ceased WO2013042840A1 (ko) | 2011-09-19 | 2012-02-15 | 비대칭 경사형 바닥을 갖는 유도가열식 용융로 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US8718114B2 (ko) |
| JP (1) | JP5604012B2 (ko) |
| KR (1) | KR101238800B1 (ko) |
| WO (1) | WO2013042840A1 (ko) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5340372A (en) * | 1991-08-07 | 1994-08-23 | Pedro Buarque de Macedo | Process for vitrifying asbestos containing waste, infectious waste, toxic materials and radioactive waste |
| US5564102A (en) * | 1993-07-06 | 1996-10-08 | Doryokuro Kakunenryo Kaihatsu Jigyodan | Glass melting treatment method |
| KR20020049946A (ko) * | 2000-12-20 | 2002-06-26 | 최양우 | 저항 발열체를 이용한 가연성 중·저준위 방사성폐기물유리화용 저온 용융로의 초기 점화 수단 |
| KR20020050331A (ko) * | 2000-12-21 | 2002-06-27 | 최양우 | 중저준위 방사성 폐기물의 처리시스템 |
| KR20040018856A (ko) * | 2002-08-27 | 2004-03-04 | 한국수력원자력 주식회사 | 중·저준위 방사성폐기물 유리화 장치 및 공정 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3108694C2 (de) * | 1981-03-07 | 1986-03-20 | Deutsche Gesellschaft für Wiederaufarbeitung von Kernbrennstoffen mbH, 3000 Hannover | Vorrichtung zur kontinuierlichen Herstellung von radioaktiven Abfall enthaltenden Glaskörpern |
| JPS5918322B2 (ja) * | 1981-05-28 | 1984-04-26 | 株式会社ニコン | ガラスの連続溶解炉 |
| JP2581837B2 (ja) * | 1990-10-25 | 1997-02-12 | 動力炉・核燃料開発事業団 | 溶融炉 |
| US5188649A (en) | 1991-08-07 | 1993-02-23 | Pedro Buarque de Macedo | Process for vitrifying asbestos containing waste, infectious waste, toxic materials and radioactive waste |
| US6097750A (en) * | 1997-12-31 | 2000-08-01 | General Electric Company | Electroslag refining hearth |
| KR100348746B1 (ko) | 1998-10-12 | 2002-08-14 | 닛폰 고칸 가부시키가이샤 | 폐기물처리장치 |
| JP4501285B2 (ja) * | 2001-02-05 | 2010-07-14 | 株式会社Ihi | ガラス溶融炉 |
| KR100470730B1 (ko) | 2001-02-12 | 2005-02-21 | 주식회사 자원리싸이클링 연구소 | 폐기물의 용융소각장치 및 이를 이용한 용융소각방법 |
| JP2003039048A (ja) * | 2001-04-25 | 2003-02-12 | Fuji Electric Co Ltd | 焼却灰溶融処理方法及び装置 |
| TWI271500B (en) | 2002-07-26 | 2007-01-21 | Nissei Ltd | Molten material discharge device and molten material heating device of a molten furnace |
| JP3848302B2 (ja) * | 2003-06-04 | 2006-11-22 | 核燃料サイクル開発機構 | ガラス溶融炉及びその運転方法 |
| US20060291529A1 (en) * | 2005-05-26 | 2006-12-28 | Haun Robert E | Cold wall induction nozzle |
| JP4496356B2 (ja) * | 2006-05-12 | 2010-07-07 | 独立行政法人 日本原子力研究開発機構 | 導電性沈殿物を抜き出すための炉内構造物を有するガラス溶融炉及びこれを用いた高レベル放射性廃液のガラス固化処理方法 |
-
2011
- 2011-09-19 KR KR1020110094290A patent/KR101238800B1/ko active Active
-
2012
- 2012-02-15 WO PCT/KR2012/001134 patent/WO2013042840A1/ko not_active Ceased
- 2012-02-15 US US13/883,789 patent/US8718114B2/en active Active
- 2012-02-15 JP JP2013543115A patent/JP5604012B2/ja active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5340372A (en) * | 1991-08-07 | 1994-08-23 | Pedro Buarque de Macedo | Process for vitrifying asbestos containing waste, infectious waste, toxic materials and radioactive waste |
| US5564102A (en) * | 1993-07-06 | 1996-10-08 | Doryokuro Kakunenryo Kaihatsu Jigyodan | Glass melting treatment method |
| KR20020049946A (ko) * | 2000-12-20 | 2002-06-26 | 최양우 | 저항 발열체를 이용한 가연성 중·저준위 방사성폐기물유리화용 저온 용융로의 초기 점화 수단 |
| KR20020050331A (ko) * | 2000-12-21 | 2002-06-27 | 최양우 | 중저준위 방사성 폐기물의 처리시스템 |
| KR20040018856A (ko) * | 2002-08-27 | 2004-03-04 | 한국수력원자력 주식회사 | 중·저준위 방사성폐기물 유리화 장치 및 공정 |
Also Published As
| Publication number | Publication date |
|---|---|
| US8718114B2 (en) | 2014-05-06 |
| JP2014505862A (ja) | 2014-03-06 |
| KR101238800B1 (ko) | 2013-03-04 |
| JP5604012B2 (ja) | 2014-10-08 |
| US20130266037A1 (en) | 2013-10-10 |
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