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    Jet impingement recuperator
    1.
    发明授权
    Jet impingement recuperator 失效
    喷气冲击换热器

    公开(公告)号：US3908628A

    公开(公告)日：1975-09-30

    申请号：US40702773

    申请日：1973-10-16

    Applicant: THERMO ELECTRON CORP

    Inventor： LAZARIDIS LAZAROS J ,  NUNES MAURICE ,  NYDICK SANDER E

    IPC: F23C3/00 ,  F23L15/04 ,  F28D7/10 ,  F28F9/22 ,  F28F13/00 ,  F28G13/00 ,  F24C3/00

    CPC classification number: F23C3/002 ,  F23L15/04 ,  F28D7/106 ,  F28F9/22 ,  F28F13/00 ,  F28G13/00 ,  Y02E20/348

    Abstract: A recuperative heat exchanger employs a jet impingement technique for transferring heat from hot combustion products to cool combustion air. An interior conduit of the heat exchanger contains baffles for producing this jet impingement effect. The baffles are secured in place during operation of the heat exchanger by a thermally expansible lip on the open end of each baffle. When the heat exchanger is not in operation the baffles may be removed for cleaning or replacement. Certain embodiments of this heat exchanger are specifically suited for use with a radiant tube furnace requiring a low pressure drop through the recuperator.

    Abstract translation: 回热换热器采用喷射冲击技术将热量从热燃烧产物转移到冷却燃烧空气中。 热交换器的内部导管包含用于产生该喷射冲击效应的挡板。 在热交换器的操作期间，挡板通过每个挡板的开口端上的热膨胀的唇缘固定就位。 当热交换器不工作时，挡板可能会被清除或更换。 该热交换器的某些实施例特别适用于需要通过换热器的低压降的辐射管炉。

    Crucible furnace
    3.
    发明授权
    Crucible furnace 失效
    可燃炉

    公开(公告)号：US3667745A

    公开(公告)日：1972-06-06

    申请号：US3667745D

    申请日：1970-04-15

    Applicant: THERMO ELECTRON CORP

    Inventor： LAZARIDIS LAZAROS J

    IPC: F27B14/14

    CPC classification number: F27B14/143

    Abstract: A CRUCIBLE FURNACE FOR THE MELTING OF METAL OR OTHER SUBSTANCES HAVING HIGH MELTING POINTS WHICH INCLUDES A REFRACTORY VESSEL OR CRUCIBLE FOR CONTAINING THE MATERIAL TO BE MELTED, THE VESSEL BEING SURROUNDED BY A BAFFLE GENERALLY CONFORMING IN SHAPE TO VESSEL. EXTERNAL TO THE BAFFLE IS A CHAMBER AT THE BASE OF WHICH FUEL AND COMBUSTION AIR, AT TIMES PREHEATED, ARE SEPARATELY INTRODUCED, TUBULENTLY MIXED AN IGNITED. THE BAFFLE IS PERFORATED IN A PATTERN OF HOLES WHICH SERVE TO DIRECT COMBUSTION GASES IN THE FORM OF JETS UPON THE OUTER WALL OF THE VESSEL. THIS ACTION ENHANCES HEAT TRANSFER BY DISRUPTING STAGNANT BOUNDARY LAYERS OF GAS ALONG THE WALL OF THE CRUCIBLE, CONTRIBUTES TO THE UNIFORMITY OF HEAT DISTRIBUTION IN THE ERUCIBLE, AND CONTRIBUTES IN ACHIEVING HIGH OVERALL HEAT TRANSFER COEFFICIENT. THE PRODUCTS OF COMBUSTION ARE DRAWN OUT ON AN ANNULAR SPACE ABOUT THE UPPER PERIPHERY OF THE CRUCIBLE WHICH IS SEALED SO THAT NO CONTACT WITH THE CONTENTS OF THE CRUCIBLE IS POSSIBLE. THE PRODUCTS OF COMBUSTION MAY ALSO BE PASSED THROUGH A RECUPERATOR WHEN PREHEATING OF THE INCOMING COMBUSTION AIR IS DESIRABLE TO INCREASE EFFICIENCY AND FLAME TEMPERATURE.

    Glass furnace with heat pipe melting
    4.
    发明授权
    Glass furnace with heat pipe melting 失效
    玻璃炉与热管熔炼

    公开(公告)号：US3607209A

    公开(公告)日：1971-09-21

    申请号：US3607209D

    申请日：1969-05-26

    Applicant: THERMO ELECTRON CORP

    Inventor： LAZARIDIS LAZAROS J

    IPC: C03B5/183 ,  C03B5/235 ,  C03B5/04

    CPC classification number: C03B5/2356 ,  C03B5/183 ,  C03B2211/25 ,  Y02P40/57

    Abstract: An industrial furnace for the melting of glass which includes a tank of refractory material capable of containing molten glass. Heat pipes penetrate that part of the refractory wall which is wetted by glass and are immersed in the molten glass in such a manner as to heat the glass uniformly. The heat pipes are energized from burners disposed outside the tank. Molten glass may be permitted to flow between the heat pipes and the ports in the wall of the tank through which they protrude. This glass protects the heat pipes from exposure to air and burner flames. Also, when this glass freezes as it contacts the much cooler ambient air and accessory cooling collars, it forms seals to prevent the escape of additional molten glass from the tank.

    Radiant tube having uniform high-temperature distribution
    5.
    发明授权
    Radiant tube having uniform high-temperature distribution 失效
    具有均匀高温分布的辐射管

    公开(公告)号：US3570471A

    公开(公告)日：1971-03-16

    申请号：US3570471D

    申请日：1969-02-14

    Applicant: THERMO ELECTRON CORP

    Inventor： LAZARIDIS LAZAROS J

    IPC: F23D14/12 ,  F23C3/00 ,  F24C3/00

    CPC classification number: F23C3/002

    Abstract: Radiant tube heating apparatus in which rotation is imparted to a fuel-air mixture in a burner head and in which rotation continues after ignition as the flue gases travel in a helical path down the radiant tube. The continuing rotary action disrupts boundary layers permitting efficient heat transfer from flue gases to radiant tube, and further provides uniform temperature distribution along the tube. The rotation is initiated by helical channels formed in the peripheral surface of the burner head. Air is forced through those channels at high velocity and fuel is fed through the interior of the head and into the channels at right angles through a series of spaced orifices. The resultant complete mixing followed by near-adiabatic combustion create extremely high flame temperatures resulting in high radiant tube temperatures and high heat fluxes and heat release rates.

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