EP1985717B1 - Boules d'amalgame pour lampes à économie d'énergie et leur fabrication - Google Patents
Boules d'amalgame pour lampes à économie d'énergie et leur fabrication Download PDFInfo
- Publication number
- EP1985717B1 EP1985717B1 EP07008717A EP07008717A EP1985717B1 EP 1985717 B1 EP1985717 B1 EP 1985717B1 EP 07008717 A EP07008717 A EP 07008717A EP 07008717 A EP07008717 A EP 07008717A EP 1985717 B1 EP1985717 B1 EP 1985717B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- amalgam
- spheres
- tin
- powder
- mercury
- 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.)
- Not-in-force
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/12—Selection of substances for gas fillings; Specified operating pressure or temperature
- H01J61/18—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent
- H01J61/20—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent mercury vapour
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C13/00—Alloys based on tin
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C7/00—Alloys based on mercury
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/24—Means for obtaining or maintaining the desired pressure within the vessel
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/24—Means for obtaining or maintaining the desired pressure within the vessel
- H01J61/28—Means for producing, introducing, or replenishing gas or vapour during operation of the lamp
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
Definitions
- the invention relates to amalgam beads for the introduction of mercury in modern energy-saving lamps.
- Modern energy-saving lamps of the TFL (Tube Fluorescent Lamp) or CFL (Compact Fluorescent Lamp) type belong to the low-pressure gas discharge lamps. They consist of a gas discharge flask filled with a mixture of mercury vapor and argon and internally coated with a fluorescent phosphor. The ultraviolet radiation of mercury emitted during operation is converted from fluorescent coating to visible light by fluorescence. The lamps are therefore also referred to as fluorescent lamps.
- the mercury required for the operation of the lamps was formerly metered as liquid metal into the gas discharge flask.
- the US 4,145,634 describes the use of Amalgampellets with 36 at% indium, which contain high liquid content even at room temperature because of the high mercury content.
- the pellets tend to stick together when they get in contact with each other. By coating the pellets with suitable materials in powder form, this can be prevented.
- Stable metal oxides titanium oxide, zirconium oxide, silica, magnesia and alumina
- graphite glass powder
- phosphors phosphors
- borax antimony oxide
- metal powders that do not form an amalgam with mercury (aluminum, iron and chromium) are suggested.
- the WO 94/18692 describes the use of pellets of zinc amalgam with 5 to 60, preferably 40 to 60 wt.%, of mercury.
- For the production of spheroid Amalgampellets is in the US 4,216,178 described method used in which the molten amalgam by a vibrated spout nozzle into small Drop is divided and cooled in a cooling medium below the solidification temperature.
- the pellets are in accordance with WO 94/18692 not coated.
- amalgam balls from the melt the amalgam must be heated to a temperature at which the amalgam is completely melted. This is guaranteed with a zinc amalgam only at a temperature above 420 ° C with certainty. These high processing temperatures necessitate corresponding safety precautions because of the high mercury vapor pressure due to the toxicity of the mercury.
- the JP 2000251836 describes the use of amalgam cells of tin amalgam for the production of fluorescent lamps.
- the tin amalgam preferably has only a low mercury content with a tin / mercury atomic ratio of between 90-80: 10-20. This corresponds to a mercury content of 15.8 to 29.7 wt .-%.
- the JP 2000251836 Does not give any information about how the amalgam spherical pellets are made.
- amalgam balls of a Zinnamalgam which has a mercury content between 30 and 70 wt .-%.
- the amalgam spheres preferably have a mercury content of from 30 to 60 and in particular from 40 to 55% by weight.
- the balls can look like one in the EP 1381485 B1 described method are prepared from a melt of the amalgam. This is completely melted Amalgam dripped into a cooling medium with a temperature below the solidification temperature of the amalgam. It is advantageous here that Zinnamalgame completely melt even at temperatures below 230 ° C. The expense of ensuring job security in the production of tin amalgam balls is therefore significantly lower than in the case of zinc amalgam balls.
- amalgam spheres with diameters between 50 and 2000, preferably between 500 and 1500 microns are suitable.
- the tendency of the amalgam beads to stick together can be inhibited if the balls are coated with a powder of a metal which forms an amalgam with mercury. Due to the amalgamation of the metal powder, a surface layer with a low mercury content is formed on the spheres, which no longer contains any liquid phases at the usual processing temperatures of the amalgam spheres and thus prevents the tendency to adhere to the untreated spheres.
- the metal powder used for the coating should not contain particles with a grain diameter greater than 100 ⁇ m. Particles with larger grain diameters amalgamate only incomplete and lead to a rough surface of the balls, which makes it difficult to meter the balls. Preference is given to using a metal powder whose powder particles have a particle diameter of less than 80 ⁇ m. As suitable metals, tin and zinc have been found. Tin is preferred.
- the balls can be presented, for example, in a rotating vessel and sprinkled with constant circulation with the metal powder until no sticking of the balls is more noticeable.
- the following table shows calculated values for the total mass (Sn + Hg) and the mercury mass (Hg) of tin amalgam spheres as a function of the diameter of the spheres and for tin amalgams with mercury contents between 20 and 50 wt%.
- the table also shows the densities ⁇ of the different amalgams used in the calculations.
- amalgam spheres made from a SnHg50 containing 50% by weight of mercury contain about three times the mass of mercury, such as amalgam spheres made of SnHg20 with only 20% by weight of mercury.
Claims (4)
- Sphère d'amalgame pour lampes à fluorescence, caractérisées en ce que les sphères d'amalgame contiennent un amalgame d'étain avec une teneur en mercure comprise entre 40 et 55 % en poids.
- Sphères d'amalgame selon la revendication 1, caractérisées en ce que le diamètre des sphères d'amalgame est compris entre 50 et 2000 µm.
- Procédé de fabrication des sphères d'amalgame selon l'une des revendications précédentes, caractérisé en ce que l'amalgame est complètement fondu et le bain de fusion est versé goutte à goutte dans un fluide de refroidissement dont la température est inférieure à la température de solidification de l'amalgame.
- Utilisation des sphères d'amalgame selon l'une des revendications 1 à 3 pour la fabrication de lampes à fluorescence.
Priority Applications (14)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07008717A EP1985717B1 (fr) | 2007-04-28 | 2007-04-28 | Boules d'amalgame pour lampes à économie d'énergie et leur fabrication |
PL07008717T PL1985717T3 (pl) | 2007-04-28 | 2007-04-28 | Kulki amalgamatu do lamp energooszczędnych i ich wytwarzanie |
AT07008717T ATE514797T1 (de) | 2007-04-28 | 2007-04-28 | Amalgamkugeln für energiesparlampen und ihre herstellung |
US12/595,762 US8497622B2 (en) | 2007-04-28 | 2008-04-22 | Amalgam spheres for energy-saving lamps and the manufacture thereof |
PCT/EP2008/054839 WO2008132089A1 (fr) | 2007-04-28 | 2008-04-22 | Billes d'amalgame pour lampes à économie d'énergie et leur production |
CN2008800124670A CN101960027B (zh) | 2007-04-28 | 2008-04-22 | 用于节能灯的汞合金球体及其制备 |
DE502008000912T DE502008000912D1 (de) | 2007-04-28 | 2008-04-22 | Amalgamkugeln fuer energiesparlampen und ihre herstellung |
EP08736446A EP2145028B1 (fr) | 2007-04-28 | 2008-04-22 | Billes d'amalgame pour lampes à économie d'énergie et leur production |
JP2010504659A JP5193285B2 (ja) | 2007-04-28 | 2008-04-22 | 省エネルギーランプ用のアマルガム球及びそれらの製造 |
AT08736446T ATE473307T1 (de) | 2007-04-28 | 2008-04-22 | Amalgamkugeln fuer energiesparlampen und ihre herstellung |
CN2013101061972A CN103194638A (zh) | 2007-04-28 | 2008-04-22 | 用于节能灯的汞合金球体及其制备 |
PL08736446T PL2145028T3 (pl) | 2007-04-28 | 2008-04-22 | Kulki amalgamatu do lamp energooszczędnych i sposób ich wytwarzania |
JP2012273008A JP5599449B2 (ja) | 2007-04-28 | 2012-12-14 | 省エネルギーランプ用のアマルガム球及びそれらの製造 |
US13/929,096 US9324555B2 (en) | 2007-04-28 | 2013-06-27 | Amalgam spheres for energy-saving lamps and their production |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07008717A EP1985717B1 (fr) | 2007-04-28 | 2007-04-28 | Boules d'amalgame pour lampes à économie d'énergie et leur fabrication |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1985717A1 EP1985717A1 (fr) | 2008-10-29 |
EP1985717B1 true EP1985717B1 (fr) | 2011-06-29 |
Family
ID=38535273
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07008717A Not-in-force EP1985717B1 (fr) | 2007-04-28 | 2007-04-28 | Boules d'amalgame pour lampes à économie d'énergie et leur fabrication |
EP08736446A Not-in-force EP2145028B1 (fr) | 2007-04-28 | 2008-04-22 | Billes d'amalgame pour lampes à économie d'énergie et leur production |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08736446A Not-in-force EP2145028B1 (fr) | 2007-04-28 | 2008-04-22 | Billes d'amalgame pour lampes à économie d'énergie et leur production |
Country Status (8)
Country | Link |
---|---|
US (2) | US8497622B2 (fr) |
EP (2) | EP1985717B1 (fr) |
JP (2) | JP5193285B2 (fr) |
CN (2) | CN101960027B (fr) |
AT (2) | ATE514797T1 (fr) |
DE (1) | DE502008000912D1 (fr) |
PL (2) | PL1985717T3 (fr) |
WO (1) | WO2008132089A1 (fr) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE514797T1 (de) | 2007-04-28 | 2011-07-15 | Umicore Ag & Co Kg | Amalgamkugeln für energiesparlampen und ihre herstellung |
EP2556182A1 (fr) * | 2010-04-09 | 2013-02-13 | Advanced Lighting Technologies, Inc. | Pastilles plaquées par voie mécanique et procédé de fabrication associé |
DE202011110608U1 (de) | 2011-03-09 | 2015-02-23 | Umicore Ag & Co. Kg | Legierungen |
EP2497841B1 (fr) | 2011-03-09 | 2015-09-02 | Umicore AG & Co. KG | Sn-Ag-Cu-Alliages |
CN102329979A (zh) * | 2011-08-13 | 2012-01-25 | 何志明 | 一种富汞型锑锡汞合金 |
CN102626783B (zh) * | 2012-03-26 | 2014-02-12 | 上海亚尔光源有限公司 | 一种锡汞齐颗粒及其制备方法和应用 |
CN102626781B (zh) * | 2012-03-26 | 2014-04-16 | 上海亚尔光源有限公司 | 一种锌锡汞齐颗粒及其制备方法和应用 |
CN102626782B (zh) * | 2012-03-26 | 2014-07-16 | 上海亚尔光源有限公司 | 一种锌汞齐颗粒及其制备工艺和用途 |
CN104148628B (zh) * | 2013-05-13 | 2017-02-08 | 上海亚尔光源有限公司 | 一种汞齐涂粉工艺 |
US20150041713A1 (en) * | 2013-08-06 | 2015-02-12 | Advanced Lighting Technologies, Inc. | Intermetallic compounds for releasing mercury |
CN103730307B (zh) * | 2013-12-17 | 2016-09-07 | 家雄灯饰(濮阳)有限公司 | 节能灯全自动注汞封口装置 |
CN108998691A (zh) * | 2017-12-25 | 2018-12-14 | 中国地质大学(北京) | 一种无害化处理液态汞的方法 |
Family Cites Families (28)
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---|---|---|---|---|
US4015162A (en) * | 1975-07-07 | 1977-03-29 | Westinghouse Electric Corporation | Fluorescent lamp having implanted amalgamative metal for mercury vapor regulation |
US4216178A (en) * | 1976-02-02 | 1980-08-05 | Scott Anderson | Process for producing sodium amalgam particles |
US4145634A (en) * | 1978-02-17 | 1979-03-20 | Westinghouse Electric Corp. | Fluorescent lamp having integral mercury-vapor pressure control means |
JPS5595254A (en) * | 1979-01-16 | 1980-07-19 | Mitsubishi Electric Corp | Manufacturing method of high-pressure metal vapor discharge lamp |
AR223024A1 (es) | 1980-01-31 | 1981-07-15 | Macrodent Sa | Un producto para ser utilizado en amalgamas dentales comprimidos o pastillas desintegrables obtenidos por aglomeracion de dicho producto y amalgamas obtenidas a partir de este ultimo |
EP0136866B1 (fr) * | 1983-09-30 | 1991-12-27 | Kabushiki Kaisha Toshiba | Procédé de fabrication d'un alliage à bas point de fusion pour fermer hermétiquement une lampe fluorescente |
JPS6210838A (ja) * | 1986-03-14 | 1987-01-19 | Toshiba Corp | 蛍光灯 |
DE3717048C1 (de) | 1987-05-21 | 1988-11-03 | Degussa | Verfahren zur Herstellung von Legierungspulvern fuer Dentalamalgame |
EP0683919B1 (fr) | 1993-02-12 | 2000-08-16 | Advanced Lighting Technologies, Inc. | Lampe fluorescente contenant un amalgame de zinc et de mercure et procede de fabrication |
JPH07192689A (ja) * | 1993-12-28 | 1995-07-28 | Toshiba Lighting & Technol Corp | 水銀蒸気放電ランプ、その製造方法ならびに照明装置 |
IT1273338B (it) * | 1994-02-24 | 1997-07-08 | Getters Spa | Combinazione di materiali per dispositivi erogatori di mercurio metodo di preparazione e dispositivi cosi' ottenuti |
US5882237A (en) * | 1994-09-01 | 1999-03-16 | Advanced Lighting Technologies, Inc. | Fluorescent lamp containing a mercury zinc amalgam and a method of manufacture |
CA2177108C (fr) * | 1996-05-22 | 2002-10-22 | Minoru Myojo | Lampe a decharge a vapeur de mercure basse pression |
JP4228046B2 (ja) * | 1999-02-27 | 2009-02-25 | 松垣薬品工業株式会社 | 蛍光灯用のアマルガムペレット及びこれを用いた蛍光灯 |
US6312499B1 (en) * | 1999-05-07 | 2001-11-06 | Institute Of Gas Technology | Method for stabilization of liquid mercury |
US6427492B1 (en) | 2000-03-31 | 2002-08-06 | Owens Corning Fiberglas Technology, Inc. | Bushing including a terminal ear |
DE10120612A1 (de) | 2001-04-26 | 2002-11-21 | Omg Ag & Co Kg | Verfahren und Vorrichtung zur Herstellung von kugelförmigen Metallteilchen |
KR100726035B1 (ko) * | 2003-02-17 | 2007-06-08 | 도시바 라이텍쿠 가부시키가이샤 | 형광램프, 전구형 형광램프, 및 조명기구 |
JP4235720B2 (ja) * | 2004-04-21 | 2009-03-11 | 松垣薬品工業株式会社 | 蛍光灯用アマルガム及びこれを用いた蛍光灯 |
CN1694221A (zh) * | 2004-05-07 | 2005-11-09 | 东芝照明技术株式会社 | 灯泡型荧光灯及照明装置 |
ITMI20041494A1 (it) * | 2004-07-23 | 2004-10-23 | Getters Spa | Composizioni per il rilascio di mercurio e processo per la loro produzione |
JP4077448B2 (ja) * | 2004-07-30 | 2008-04-16 | 松下電器産業株式会社 | 蛍光ランプ、照明装置及び蛍光ランプの製造方法 |
CN100383909C (zh) * | 2005-07-05 | 2008-04-23 | 朱升和 | 一种低温汞齐 |
CN100434552C (zh) * | 2006-03-13 | 2008-11-19 | 高邮高和光电器材有限公司 | 高含汞量固汞 |
WO2007146196A2 (fr) | 2006-06-09 | 2007-12-21 | Advanced Lighting Technologies, Inc. | Amalgame de bismuth-zinc-mercure, lampes fluorescentes, et procédés associés |
ATE514797T1 (de) | 2007-04-28 | 2011-07-15 | Umicore Ag & Co Kg | Amalgamkugeln für energiesparlampen und ihre herstellung |
EP2556182A1 (fr) | 2010-04-09 | 2013-02-13 | Advanced Lighting Technologies, Inc. | Pastilles plaquées par voie mécanique et procédé de fabrication associé |
EP2497841B1 (fr) | 2011-03-09 | 2015-09-02 | Umicore AG & Co. KG | Sn-Ag-Cu-Alliages |
-
2007
- 2007-04-28 AT AT07008717T patent/ATE514797T1/de active
- 2007-04-28 EP EP07008717A patent/EP1985717B1/fr not_active Not-in-force
- 2007-04-28 PL PL07008717T patent/PL1985717T3/pl unknown
-
2008
- 2008-04-22 US US12/595,762 patent/US8497622B2/en not_active Expired - Fee Related
- 2008-04-22 CN CN2008800124670A patent/CN101960027B/zh not_active Expired - Fee Related
- 2008-04-22 DE DE502008000912T patent/DE502008000912D1/de active Active
- 2008-04-22 AT AT08736446T patent/ATE473307T1/de active
- 2008-04-22 CN CN2013101061972A patent/CN103194638A/zh active Pending
- 2008-04-22 PL PL08736446T patent/PL2145028T3/pl unknown
- 2008-04-22 EP EP08736446A patent/EP2145028B1/fr not_active Not-in-force
- 2008-04-22 WO PCT/EP2008/054839 patent/WO2008132089A1/fr active Application Filing
- 2008-04-22 JP JP2010504659A patent/JP5193285B2/ja not_active Expired - Fee Related
-
2012
- 2012-12-14 JP JP2012273008A patent/JP5599449B2/ja not_active Expired - Fee Related
-
2013
- 2013-06-27 US US13/929,096 patent/US9324555B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP5599449B2 (ja) | 2014-10-01 |
CN103194638A (zh) | 2013-07-10 |
JP2010527097A (ja) | 2010-08-05 |
DE502008000912D1 (de) | 2010-08-19 |
JP5193285B2 (ja) | 2013-05-08 |
CN101960027A (zh) | 2011-01-26 |
JP2013069700A (ja) | 2013-04-18 |
WO2008132089A1 (fr) | 2008-11-06 |
EP1985717A1 (fr) | 2008-10-29 |
US20140009059A1 (en) | 2014-01-09 |
CN101960027B (zh) | 2013-05-01 |
US9324555B2 (en) | 2016-04-26 |
US8497622B2 (en) | 2013-07-30 |
ATE473307T1 (de) | 2010-07-15 |
US20100130092A1 (en) | 2010-05-27 |
ATE514797T1 (de) | 2011-07-15 |
EP2145028B1 (fr) | 2010-07-07 |
PL1985717T3 (pl) | 2011-11-30 |
PL2145028T3 (pl) | 2010-12-31 |
EP2145028A1 (fr) | 2010-01-20 |
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