WO2012036334A1 - 유도코일과 용융로 일체형 유도가열식 저온용융로 - Google Patents
유도코일과 용융로 일체형 유도가열식 저온용융로 Download PDFInfo
- Publication number
- WO2012036334A1 WO2012036334A1 PCT/KR2010/006552 KR2010006552W WO2012036334A1 WO 2012036334 A1 WO2012036334 A1 WO 2012036334A1 KR 2010006552 W KR2010006552 W KR 2010006552W WO 2012036334 A1 WO2012036334 A1 WO 2012036334A1
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- WIPO (PCT)
- Prior art keywords
- induction coil
- melt
- melting furnace
- induction
- water
- Prior art date
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/36—Coil arrangements
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- 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
- F27B14/063—Skull melting type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/08—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
- F23G5/10—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating electric
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- 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 peculiar to crucible or pot furnaces
- F27B14/14—Arrangements of heating devices
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/22—Furnaces without an endless core
- H05B6/24—Crucible furnaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2204/00—Supplementary heating arrangements
- F23G2204/20—Supplementary heating arrangements using electric energy
- F23G2204/204—Induction
Definitions
- the present invention relates to an induction coil and a melting furnace integrated induction heating low-temperature melting furnace, and more particularly, when heating and melting materials such as radioactive waste, general industrial waste, ceramic materials, metal materials, etc. by induction heating method It relates to a cold Crucible Induction Melter (CCIM) used.
- CCIM cold Crucible Induction Melter
- CCIM induction heating low temperature melting furnace
- the induction current Due to the high frequency current applied to the induction coil, the induction current is generated in the water cooler, and when the induction current is generated in the melt in the induction heating low temperature melting furnace (CCIM) by the electromagnetic field introduced between the water coolers, the Joule's effect The melt is intended to be heated.
- the induction coil is positioned at a predetermined interval to the outside of the water cooling grating and only plays a role of flowing a high frequency current.
- CCIM induction heating low temperature melting furnace
- CCIM induction heating low temperature melting furnace
- a sliding door is installed at the melt discharge port, and when the door is opened, heat of the melt is transferred and discharged downward after a predetermined time.
- the temperature is dropped in the process of discharging the melt, in the case of a ceramic or a metal having a high melting point, some of the material is solidified and the fluidity is lowered, so that the melt cannot be discharged smoothly.
- an object of the present invention is to provide an induction coil and a melting furnace integrated induction heating type low temperature melting furnace that can simplify the structure of an induction heating type low temperature melting furnace (CCIM).
- an object of the present invention is to provide an induction coil and a melting furnace integrated induction heating low-temperature melting furnace that can facilitate the discharge of the melt even in the case of a ceramic material or a metallic material having a high melting point.
- induction heating type for heating and melting waste by using an induction current generated in the water cooling grid by a high frequency current applied to the induction coil
- the water cooler and the induction coil is arranged up and down, characterized in that the induction current generated by the induction coil is directly transmitted to the melt of the waste.
- the water cooler is composed of a set of a plurality of vertical water cooler formed with a U-shaped cooling passage therein, the vertical water cooler is characterized in that the cooling medium is distributed and circulated in several groups.
- the lower side of the induction coil is provided with a water-cooled bottom plate eccentrically downwardly inclined toward one side toward the discharge direction of the melt in order to collect the melt toward the lattice melt discharge side, and the induction coil is tilted to coincide with the discharge direction of the melt. Characterized in that it consists of a photographic shape.
- the induction coil is characterized in that the heat-resistant ceramic coating layer is formed on the inner surface in contact with the melt.
- the induction coil has a structure in which a plurality of induction coil strands are stacked up and down, and a ceramic material is inserted between the plurality of induction coil strands.
- a lattice-type melt discharge part is provided below the water-cooled bottom plate so that the melt collected by the water-cooled bottom plate is discharged, and an upper surface of the lattice melt discharge part is formed with a downward inclined surface toward the melt discharge port formed at the center thereof.
- the induction coil is provided around the melt outlet water cooling lattice extending from the water outlet to the lower side through which the melt passes.
- the induction coil and the melting furnace integrated induction heating low temperature melting furnace according to the present invention, to exclude the structure in which the water cooler is installed in the region inside the induction coil of the conventional induction heating low temperature melting furnace (CCIM) so that the induction coil itself also serves as a water cooler Therefore, electrical energy, which is mostly consumed in the water grating installed inside the induction coil, is directly transmitted to the melt in the induction heating low temperature melting furnace (CCIM), thereby greatly improving energy efficiency and simplifying the structure of the induction heating low temperature melting furnace (CCIM). Therefore, it is easy to disassemble and assemble the device for maintenance work.
- CCIM induction heating low temperature melting furnace
- the induction current generation efficiency in the discharged melt improves the ceramic material or the melting point.
- the melt of this highly metallic material can also be discharged smoothly.
- FIG. 1 is an overall configuration of the induction coil and melting furnace integrated induction heating type low temperature melting furnace according to the present invention
- FIG. 2 is a perspective view and a partially cutaway perspective view of a vertical water grating of an induction coil and a melting furnace integrated induction heating low temperature melting furnace according to the present invention
- FIG. 3 is a partially cutaway perspective view of the inclined horizontal induction coil of the induction coil and melting furnace integrated induction heating low temperature melting furnace according to the present invention
- FIG. 4 is a perspective view and a partial cutaway view of an inclined water-cooled bottom plate of an induction coil and a melting furnace integrated induction heating low temperature melting furnace according to the present invention
- FIG. 5 is a perspective view of a grid-type melt discharge part of the induction coil and the melting furnace integrated induction heating low-temperature melting furnace,
- FIG. 6 is a perspective view illustrating a state in which an induction coil is installed around a melt outlet water cooler of the lattice-type melt discharge unit illustrated in FIG. 5.
- joint portion 120 cooling water inlet and outlet distribution pipe
- coolant inlet distribution pipe 122 coolant outlet distribution pipe
- cooling water outlet 133 U-shaped cooling flow path
- cooling water outlet 143 cooling water flow path
- ceramic material insertion member 150 inclined water-cooled bottom plate
- cooling water inlet 162 cooling water outlet
- melt outlet water cooler 170 induction coil
- FIG. 1 is an overall configuration diagram of an induction coil and a melting furnace integrated induction heating low temperature melting furnace according to the present invention.
- the waste inlet 101 is injected into the melting target material, such as radioactive waste, general industrial waste, ceramic materials, metal materials and exhaust generated during the melting process
- An upper chamber 110 having an exhaust outlet 102 through which a sieve is discharged, and a lower chamber connected to a lower portion of the upper chamber 110 via a joint 105 and containing waste injected and melted and discharged. It is composed.
- the lower chamber is composed of a structure in which the vertical water cooling grid 130, the inclined horizontal induction coil 140, and the inclined water cooling bottom plate 150 are sequentially coupled from the top to the bottom, and the inclined water cooling bottom plate 150 The lower side of the) is connected to the grid-shaped melt discharge portion 160 through which the melt is discharged.
- a cooling water inlet and outlet distribution pipe 120 including a cooling water inlet distribution pipe 121 and a cooling water outlet distribution pipe 122 is installed at an upper circumference of the vertical water cooling grid 130, and the inclined horizontal induction coil 140 is disposed.
- One side of the high frequency power supply connection unit 145 is connected, the induction coil 170 is installed around the grid-shaped melt discharge unit 160.
- Figure 2 is a (a) appearance perspective view and (b) partial cutaway perspective view of the vertical water cooler of the induction coil and melting furnace integrated induction heating low temperature melting furnace according to the present invention.
- the vertical water cooler 130 is a set of units in which a U-shaped cooling passage 133 in which a cooling medium such as a cooling water flows is formed therein and is connected to each other along the circumferential direction.
- a coolant inlet 131 and a coolant outlet 132 connected to the U-shaped cooling passage 133 are formed on an upper outer surface of the vertical water cooler 130.
- the coolant inlet 131 and the coolant outlet 132 are respectively connected to the coolant inlet distribution pipe 121 and the coolant outlet distribution pipe 122 shown in FIG. 1.
- the cooling water inlet and outlet distribution pipe 120 is configured to supply and return the cooling medium by interconnecting the vertical water cooler 130 in several group units, and thus the cooling medium of the vertical water cooler 130 is By being configured to be distributed in groups, it is possible to achieve uniform cooling between the vertical water cooler 130 and to improve the cooling efficiency.
- the top surface of the vertical water cooling grating 130 is made of a horizontal surface to be in close contact with the bottom circumference of the joint portion 105, the bottom of the vertical water cooling grate 130 is inclined horizontal induction coil coupled to the lower side It consists of an inclined surface to be in close contact with the inclined upper surface of 140.
- the vertical water cooler 130 heats the melt by transferring the induced current induced by the high frequency current of the inclined horizontal induction coil 140 to the melt contained therein.
- FIG. 3 is a partially cutaway perspective view of the inclined horizontal induction coil of the induction coil and melting furnace integrated induction heating low temperature melting furnace according to the present invention.
- the sloped horizontal inductor 140 shown in FIG. 3 is integrally located at the lower side of the vertical water cooler 130 and has a structure in which the melt is in contact with the inner side thereof.
- the melt is directly in contact with the inner surface of the inclined horizontal induction coil 140.
- the inclined horizontal induction coil 140 has a technical feature in that it is made of an integral type that directly heats the melt and simultaneously performs the role of a water cooler.
- the inclined horizontal induction coil 140 is configured to be inclined to match the direction in which the melt is discharged downward inclined while forming a lower portion of the lower chamber is characterized in that the induction current is more effectively transmitted to the discharged melt.
- the inclined horizontal induction coil 140 has a structure in which a plurality of tubular induction coil strands are stacked up and down obliquely. to be.
- the inner surface 144 of the inclined horizontal induction coil 140 in contact with the melt is first coated with a metal alloy so as to be protected from corrosion or physical damage due to contact with the melt.
- a coating layer of a ceramic material such as alumina (Al 2 O 3 ) is formed.
- a ceramic material insertion member 146 is interposed between the induction coil strands so as to minimize thermal deformation of the induction coil strands.
- a high frequency power supply connection unit 145 connected to a high frequency generator (HFG) as a power supply is electrically connected to the inclined horizontal induction coil 140.
- the high frequency power supply connection unit 145 is provided with a coolant inlet 141 and a coolant outlet 142 connected to the coolant flow path tube 143 formed inside each of the induction coil strands.
- Figure 4 is a (a) appearance perspective view and (b) partial cutaway perspective view of the inclined water-cooled bottom plate of the induction coil and melting furnace integrated induction heating low temperature melting furnace according to the present invention.
- the inclined water-cooled bottom plate 150 positioned below the inclined horizontal induction coil 140 is formed of a set in which a unit formed in an arc shape is mutually coupled in a circumferential direction.
- the inclined direction is inclined toward the downward inclined direction of the inclined horizontal induction coil 140 so that the melt can be smoothly discharged.
- Cooling water inlet 151 and cooling water outlet 152 are provided on the outer surface of the inclined water cooling bottom plate 150 to the U-shaped cooling flow path plate 153 formed in the inclined water cooling bottom plate 150. It is connected.
- the inclined water-cooled bottom plate 150 is configured as a set of units, and a cooling flow path plate 153 is provided therein for each unit of each inclined water-cooled bottom plate 150 so that the cooling medium is circulated. It is possible to effectively prevent overheating of the inclined water-cooled bottom plate 150 due to the heat of water.
- FIG. 5 is a perspective view illustrating a grid-type melt discharge part of an induction coil and a melting furnace integrated induction heating type low-temperature melting furnace
- FIG. 6 is a perspective view illustrating a shape of an induction coil installed around a melt outlet water cooler of the grid-type melt discharge part shown in FIG. 5.
- the melt discharge unit 160 positioned below the inclined water cooling bottom plate 150 includes a downward inclined surface 163 facing the melt discharge port 164 formed at the center thereof.
- One side of the melt discharge unit 160 is formed with a coolant inlet 161 and a coolant outlet 162 through which a cooling medium for preventing overheating is supplied and recovered.
- An induction coil 170 is provided around the melt outlet water cooling lattice 165 extending downward from the melt outlet 164 and through which the melt passes.
- induction coil 170 around the melt outlet water cooling lattice 165, even in the case of ceramic materials such as glass and metallic materials having a high melting point, direct melting is possible by supplying high-frequency electrical energy during the discharge process. Prevents solidification and enables smooth drainage.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Crucibles And Fluidized-Bed Furnaces (AREA)
- Furnace Details (AREA)
- General Induction Heating (AREA)
Abstract
Description
Claims (6)
- 유도코일에 인가된 고주파 전류에 의해 수냉격자에서 발생하는 유도전류를 이용하여 폐기물을 가열 및 용융시키는 유도가열식 저온용융로에 있어서,상기 수냉격자와 유도코일이 상하로 배치되어 상기 유도코일에 의해 발생된 유도전류가 상기 폐기물의 용융물에 직접 전달되는 것을 특징으로 하는 유도코일과 용융로 일체형 유도가열식 저온용융로.
- 제1항에 있어서,상기 수냉격자는 그 내부에 U자형의 냉각 유로가 형성된 다수의 수직형 수냉격자의 집합으로 이루어지고, 상기 수직형 수냉격자는 몇 개의 그룹 단위로 냉각 매체가 분배되어 순환하도록 이루어진 것을 특징으로 하는 유도코일과 용융로 일체형 유도가열식 저온용융로.
- 제1항에 있어서,상기 유도코일의 하측에는 격자형 용융물 배출부 측으로 용융물을 모으기 위해 용융물의 배출 방향을 향해 일측으로 편심되어 하향 경사진 형상의 수냉 바닥판이 구비되고, 상기 유도코일은 상기 용융물의 배출 방향과 일치되도록 경사진 형상으로 이루어진 것을 특징으로 하는 유도코일과 용융로 일체형 유도가열식 저온용융로.
- 제3항에 있어서,상기 유도코일은 상기 용융물과 접촉하는 내측면에 내열성 세라믹 코팅층이 형성된 것을 특징으로 하는 유도코일과 용융로 일체형 유도가열식 저온용융로.
- 제3항에 있어서,상기 유도코일은 복수의 유도코일 가닥이 상하로 적층된 구조이며,상기 복수의 유도코일 가닥 사이에는 세라믹재가 삽입되어 있는 것을 특징으로 하는 유도코일과 용융로 일체형 유도가열식 저온용융로.
- 제3항에 있어서,상기 수냉 바닥판에 의해 모아진 용융물이 배출되도록 상기 수냉 바닥판의 하측에는 격자형 용융물 배출부가 구비되고,상기 격자형 용융물 배출부의 상면은 그 중앙부에 형성된 용융물 배출구를 향하는 하향 경사면으로 이루어지고, 상기 융융물 배출구로부터 하측으로 연장 형성되어 용융물이 통과하는 용융물 배출구 수냉격자 둘레에는 유도코일이 구비된 것을 특징으로 하는 유도코일과 용융로 일체형 유도가열식 저온용융로.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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CN201080069146.1A CN103180682B (zh) | 2010-09-15 | 2010-09-27 | 感应线圈与熔炉一体型感应加热式低温熔炉 |
US13/823,141 US9288847B2 (en) | 2010-09-15 | 2010-09-27 | Cold crucible induction melter integrating induction coil and melting furnace |
JP2013528096A JP5564150B2 (ja) | 2010-09-15 | 2010-09-27 | 誘導コイル及び溶融炉一体型コールドクルーシブル誘導溶融炉 |
EP10857319.7A EP2618086B1 (en) | 2010-09-15 | 2010-09-27 | Cold crucible induction melter integrating induction coil and melting furnace |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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KR10-2010-0090786 | 2010-09-15 | ||
KR1020100090786A KR101218923B1 (ko) | 2010-09-15 | 2010-09-15 | 유도코일과 용융로 일체형 유도가열식 저온용융로 |
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WO2012036334A1 true WO2012036334A1 (ko) | 2012-03-22 |
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PCT/KR2010/006552 WO2012036334A1 (ko) | 2010-09-15 | 2010-09-27 | 유도코일과 용융로 일체형 유도가열식 저온용융로 |
Country Status (6)
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US (1) | US9288847B2 (ko) |
EP (1) | EP2618086B1 (ko) |
JP (1) | JP5564150B2 (ko) |
KR (1) | KR101218923B1 (ko) |
CN (1) | CN103180682B (ko) |
WO (1) | WO2012036334A1 (ko) |
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KR101485529B1 (ko) | 2013-08-07 | 2015-01-22 | 주식회사 포스코 | 용탕의 정련 방법 및 그 장치 |
KR101457368B1 (ko) * | 2013-10-04 | 2014-11-03 | 한국수력원자력 주식회사 | 용융물의 유도가열식 배출장치 및 방법 |
EP2881663B2 (de) * | 2013-12-06 | 2019-11-13 | Hitachi Zosen Inova AG | Müllaufgabevorrichtung |
WO2016029085A2 (en) * | 2014-08-21 | 2016-02-25 | Ppg Industries Ohio, Inc. | Induction melter for glass melting and systems and methods for controlling induction-based melters |
FR3037058B1 (fr) * | 2015-06-05 | 2017-06-23 | Areva Nc | Outil de lissage en milieu radioactif, comprenant une grille vibrante |
AT517241B1 (de) * | 2015-06-08 | 2017-12-15 | Engel Austria Gmbh | Formgebungsmaschine und Verfahren zum induktiven Erhitzen |
CN104962987B (zh) * | 2015-07-01 | 2017-09-26 | 哈尔滨工业大学 | 一种水平定向区熔结晶制备法中的单晶生长炉用水平箱式发热体 |
KR101723443B1 (ko) | 2015-08-19 | 2017-04-18 | 주식회사 포스코 | 배출장치 및 배출방법 |
US10383179B2 (en) * | 2016-12-06 | 2019-08-13 | Metal Industries Research & Development Centre | Crucible device with temperature control design and temperature control method therefor |
CN106910545B (zh) * | 2017-03-23 | 2018-08-24 | 中国原子能科学研究院 | 一种用于放射性废液冷坩埚玻璃固化处理的启动方法 |
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CN113421680A (zh) * | 2021-06-21 | 2021-09-21 | 中国原子能科学研究院 | 放射性废物处理系统 |
KR102659682B1 (ko) | 2021-12-13 | 2024-04-19 | 인제대학교 산학협력단 | 안와골절 시술용 리트랙터 |
CN117091398B (zh) * | 2023-10-17 | 2024-01-19 | 太原开元智能装备有限公司 | 管式感应加热烧结炉 |
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- 2010-09-15 KR KR1020100090786A patent/KR101218923B1/ko active IP Right Grant
- 2010-09-27 EP EP10857319.7A patent/EP2618086B1/en active Active
- 2010-09-27 JP JP2013528096A patent/JP5564150B2/ja active Active
- 2010-09-27 WO PCT/KR2010/006552 patent/WO2012036334A1/ko active Application Filing
- 2010-09-27 CN CN201080069146.1A patent/CN103180682B/zh active Active
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Also Published As
Publication number | Publication date |
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CN103180682B (zh) | 2015-06-17 |
EP2618086A1 (en) | 2013-07-24 |
EP2618086A4 (en) | 2014-03-05 |
JP5564150B2 (ja) | 2014-07-30 |
JP2013542552A (ja) | 2013-11-21 |
KR101218923B1 (ko) | 2013-01-04 |
EP2618086B1 (en) | 2015-04-01 |
CN103180682A (zh) | 2013-06-26 |
US9288847B2 (en) | 2016-03-15 |
KR20120028761A (ko) | 2012-03-23 |
US20130182740A1 (en) | 2013-07-18 |
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