TWI426250B - 測量熔融金屬內之溫度的裝置 - Google Patents
測量熔融金屬內之溫度的裝置 Download PDFInfo
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- TWI426250B TWI426250B TW095127319A TW95127319A TWI426250B TW I426250 B TWI426250 B TW I426250B TW 095127319 A TW095127319 A TW 095127319A TW 95127319 A TW95127319 A TW 95127319A TW I426250 B TWI426250 B TW I426250B
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- tube
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- thermocouple
- collecting pipe
- protective body
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/08—Protective devices, e.g. casings
- G01K1/12—Protective devices, e.g. casings for preventing damage due to heat overloading
- G01K1/125—Protective devices, e.g. casings for preventing damage due to heat overloading for siderurgical use
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/08—Protective devices, e.g. casings
- G01K1/10—Protective devices, e.g. casings for preventing chemical attack
- G01K1/105—Protective devices, e.g. casings for preventing chemical attack for siderurgical use
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/02—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/02—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances
- H01B3/10—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances metallic oxides
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- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Thermal Insulation (AREA)
Description
本發明係關於一種用於熔融金屬、特別是鐵或鋼熔體內之溫度測量之裝置,其具有一安置於一熱電偶管中之熱電偶,亦具有一本質上由石墨與金屬氧化物形成的外部保護體,其中該熱電偶管以一間隔安置於該保護體中,形成一中間空間,且其中一絕緣材料與一氧還原材料安置於該中間空間內。此外,本發明亦係關於一種用於產生該裝置之方法。
舉例而言,根據EP 558 808 B1及US 5,209,571 A已知該等裝置。在該等公開案中,描述了安置於熱電偶管與外部保護體之間以保護熱電偶管的集氣材料。該集氣材料可以管形方式包圍熱電偶管。使用期間,使該裝置之材料暴露於較大之溫度波動且因此經受熱應力。熱應力可導致個別材料之損壞。此外,根據GB 2193375已知相似裝置。
因此,本發明係基於提供一種用於測量熔融金屬內的溫度之裝置之目標,該裝置改良現存裝置。
該目標係藉由獨立請求項之特徵達成。根據本發明,用於測量熔融金屬內、特別是鐵或鋼熔體內之溫度的裝置具有安置於熱電偶管中之熱電偶。此外,其具有本質上由石墨與金屬氧化物形成的外部保護體,其中熱電偶管以一間隔安置於該保護體中,形成中間空間,且其中一絕緣材料與一氧還原材料安置於該中間空間內。應瞭解,就本發明而言,熱電偶管意指至少一端封閉且其中安置熱電偶電線之管子,其中該等熱電偶電線藉由至少一個絕緣體互相分隔開來。該絕緣體可體現為(例如)雙管或單管片段。由於絕緣材料及氧還原材料以粉末混合物之形式形成管子,該管子以一間隔環繞熱電偶管及/或被保護體以一間隔包圍,該管子亦可關於熱電偶管及/或保護體移動,從而補償熱應力,以致該裝置整體較不易破損。絕緣材料較佳為氧化物,特定言之為氧化鋁,且氧還原材料較佳為非貴(基材)金屬,特定言之為鋁。對於該粉末混合物,鋁含量有利地總計10至40重量%,特定言之為15至33重量%。
該管子可在兩端封閉、開口,或可體現為一個安置於另一個之後的複數個管子片段。除了粉末混合物之外,其亦可包括黏合劑。用於高溫應用的黏合劑通常為吾人所知,例如可使用苯酚黏合劑或甲基纖維素黏合劑。其加強管子的材料而不損及所要集氣功能。管子自身可在乾燥狀態下壓製、模製、擠壓或藉由電漿注入而產生,由此在最小孔隙率及對氧化氣體之低滲透率下產生管子的高密度。由絕緣材料及氧還原材料製成的管子(一方面)與熱電偶管或保護體(另一方面)之間的距離可至少部分地充滿氣體、纖維或球狀物,而不妨礙所要求之移動力。所提及之纖維或球狀物有助於該安置之穩定性。該等纖維或球狀物可由氧化鋁或由下列各物之混合物製成:氧化物,特定言之為氧化鋁;及氧還原材料,特定言之為基材金屬,諸如鋁。氣體可為氣體混合物,特定言之為氮氣。
以根據本發明用於產生所述裝置之方法達成該目標,以使得管子由粉末混合物形成,熱電偶插入其中,且保護體安置於該管子周圍。亦可能首先將管子(集氣管)插入保護體中(且例如,將其壓在一起),並隨後將其插入熱電偶管中。下文中,基於圖式以實例說明本發明。
在圖式中,圖1至3展示根據本發明之裝置的各種實施例。
圖1展示作為實例之本發明之一實施例。在由石墨與氧化鋁之混合物(氧化鋁含量約介於50重量%至60重量%之間)製成的外部保護體1中,其中心孔安置有由氧化鋁與鋁之混合物(鋁含量總計約20重量%)製成的作為集氣管2之絕緣材料與氧還原材料。集氣管2與外部保護體1壓縮在一起。熱電偶管3安置於集氣管2中,其中在熱電偶管3與集氣管2之間形成一間隔4。熱電偶管3自外部保護體1凸出,其一端開口於所謂接觸元件5中,該接觸元件具有用於接觸之另一測量電線。熱電偶管3藉由外部保護體1中之膠結劑6固定至接觸元件5。同樣,將膠結劑7引入接觸元件5內部以將熱電偶管3固定在管形接觸元件5中。間隔4中存在空氣。
圖2展示本發明之另一實施例。其中,集氣管2'安置於外部保護體1中,該集氣管由複數個互相固定之管子片段形成。集氣管2'與外部保護體1形成間隔4'且與安置於集氣管2'中的熱電偶管3形成間隔4。熱電偶管3開口於接觸元件5中且以膠結劑7固定至其中。接觸元件5以膠結劑6固定在外部保護體1中。
圖3展示本發明之一相似實施例,其中集氣管2"製為單一元件且安置於外部保護體1中,形成間隔4'。在集氣管2"與安置於其中之熱電偶管3之間亦提供間隔4。
1...外部保護體
2...集氣管
2'...集氣管
2"...集氣管
3...熱電偶管
4...間隔
4'...間隔
5...接觸元件
6...膠結劑
7...膠結劑
圖1係一具有封閉氧還原管之裝置。
圖2係一具有由複數個管子片段製成之管子的裝置。
圖3係一具有開口氧還原管之裝置。
1...外部保護體
2...集氣管
3...熱電偶管
4...間隔
5...接觸元件
6...膠結劑
7...膠結劑
Claims (14)
- 一種用於金屬熔體之溫度測量之裝置,該裝置包括一安置於一熱電偶管中之熱電偶,一本質上由石墨與金屬氧化物形成的外部保護體,該熱電偶管以一間隔安置於該保護體中,因此形成位於該管與該體之間之一中間空間,且一絕緣材料與一氧還原材料安置於該中間空間內,該絕緣材料與該氧還原材料以一粉末混合物之形式形成一集氣管(2;2';2"),其以一間隔包圍該熱電偶管(3),及/或其被該保護體(1)以一間隔包圍,其中該集氣管(2;2';2")一端封閉,兩端均開口,或作為複數個集氣管片段形成。
- 如請求項1之裝置,其中該集氣管(2;2';2")之該粉末混合物包含一黏合劑。
- 如請求項1之裝置,其中該裝置係設計作為鐵或金屬熔體之溫度量測。
- 一種用於產生如請求項1之一裝置之方法,包括由該粉末混合物形成一集氣管,將該熱電偶管(3)插入該集氣管,及將該保護體(1)安置於該集氣管周圍。
- 如請求項1之裝置,其中該絕緣材料包括氧化物,及該氧還原材料包括基材金屬。
- 如請求項5之裝置,其中該絕緣材料包括氧化鋁,及該基材金屬包括鋁。
- 如請求項6之裝置,其中對於該粉末混合物,鋁含量介於10重量%至40重量%之間。
- 如請求項7之裝置,其中對於該粉末混合物,鋁含量介於15重量%至33重量%之間。
- 如請求項1之裝置,其中該集氣管(2;2';2")及該熱電偶管(3)或該保護體(1)之間的間隔至少部分地充滿氣體、纖維或球狀物。
- 如請求項9之裝置,其中該氣體為一氣體混合物。
- 如請求項10之裝置,其中該氣體包含氮氣。
- 如請求項9之裝置,其中該纖維或球狀物係由氧化鋁或氧化物與氧還原材料之混合物所形成。
- 如請求項12之裝置,其中該纖維或球狀物係由氧化鋁或氧化鋁與基材金屬所形成。
- 如請求項13之裝置,其中該基材金屬包括鋁。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005040311A DE102005040311B3 (de) | 2005-08-24 | 2005-08-24 | Vorrichtung zur Temperaturmessung in Metallschmelzen |
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TW200712459A TW200712459A (en) | 2007-04-01 |
TWI426250B true TWI426250B (zh) | 2014-02-11 |
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TW095127319A TWI426250B (zh) | 2005-08-24 | 2006-07-26 | 測量熔融金屬內之溫度的裝置 |
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US (2) | US7712957B2 (zh) |
EP (1) | EP1757915B1 (zh) |
JP (1) | JP4937668B2 (zh) |
KR (1) | KR100816634B1 (zh) |
CN (2) | CN103017923A (zh) |
AR (1) | AR054178A1 (zh) |
AU (1) | AU2006203262B8 (zh) |
BR (1) | BRPI0603517B1 (zh) |
CA (1) | CA2551860C (zh) |
DE (1) | DE102005040311B3 (zh) |
ES (1) | ES2604200T3 (zh) |
MX (1) | MXPA06009425A (zh) |
PL (1) | PL1757915T3 (zh) |
RU (1) | RU2337332C2 (zh) |
TW (1) | TWI426250B (zh) |
UA (1) | UA87129C2 (zh) |
ZA (1) | ZA200607065B (zh) |
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GB2543319A (en) * | 2015-10-14 | 2017-04-19 | Heraeus Electro Nite Int | Cored wire, method and device for the production |
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DE10106476C1 (de) * | 2001-02-13 | 2002-10-10 | Fraunhofer Ges Forschung | Temperaturmessanordnung für den Einsatz in chemisch aggressiven Medien und bei Temperaturen von größer 1000 Grad C |
JP2002296122A (ja) * | 2001-03-30 | 2002-10-09 | Tokyo Electron Ltd | 熱処理装置および熱処理方法 |
CN2708284Y (zh) | 2004-07-03 | 2005-07-06 | 重庆仪表材料研究所 | 抗氧化钨铼热电偶 |
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2005
- 2005-08-24 DE DE102005040311A patent/DE102005040311B3/de active Active
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2006
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- 2006-07-06 EP EP06014000.1A patent/EP1757915B1/de active Active
- 2006-07-11 CA CA2551860A patent/CA2551860C/en active Active
- 2006-07-26 AR ARP060103234A patent/AR054178A1/es active IP Right Grant
- 2006-07-26 TW TW095127319A patent/TWI426250B/zh active
- 2006-07-27 AU AU2006203262A patent/AU2006203262B8/en active Active
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- 2006-08-10 CN CN201210317235.4A patent/CN103017923A/zh active Pending
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EP0454846A1 (en) * | 1989-11-22 | 1991-11-06 | Nippon Steel Corporation | Thermocouple-type temperature sensor and method of measuring temperature of molten steel |
EP0558808A1 (de) * | 1992-03-06 | 1993-09-08 | Heraeus Electro-Nite International N.V. | Vorrichtung zur Messung der Temperatur von Metallschmelzen |
TW432206B (en) * | 1998-09-30 | 2001-05-01 | Texaco Development Corp | Thermocouple installation in a reactor |
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Also Published As
Publication number | Publication date |
---|---|
CA2551860C (en) | 2012-09-04 |
CA2551860A1 (en) | 2007-02-24 |
JP2007057528A (ja) | 2007-03-08 |
RU2337332C2 (ru) | 2008-10-27 |
RU2006130456A (ru) | 2008-02-27 |
BRPI0603517B1 (pt) | 2018-01-30 |
CN103017923A (zh) | 2013-04-03 |
TW200712459A (en) | 2007-04-01 |
AU2006203262B8 (en) | 2008-12-18 |
EP1757915B1 (de) | 2016-08-31 |
MXPA06009425A (es) | 2007-03-26 |
ES2604200T3 (es) | 2017-03-03 |
US8033717B2 (en) | 2011-10-11 |
KR100816634B1 (ko) | 2008-03-27 |
EP1757915A1 (de) | 2007-02-28 |
CN1920504A (zh) | 2007-02-28 |
AU2006203262B2 (en) | 2008-11-27 |
BRPI0603517A (pt) | 2007-04-24 |
KR20070023518A (ko) | 2007-02-28 |
AR054178A1 (es) | 2007-06-06 |
JP4937668B2 (ja) | 2012-05-23 |
US7712957B2 (en) | 2010-05-11 |
AU2006203262A1 (en) | 2007-03-15 |
UA87129C2 (ru) | 2009-06-25 |
PL1757915T3 (pl) | 2017-02-28 |
DE102005040311B3 (de) | 2006-10-26 |
US20100046578A1 (en) | 2010-02-25 |
ZA200607065B (en) | 2008-04-30 |
US20070053405A1 (en) | 2007-03-08 |
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