• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Heat exchanger for heat-transfer between substances of high pressure difference including a shell, a region through which a cooler substance is conveyed; an inlet for the cooler substance; a bundle of tubes arranged in a cooler substance compartment; and riser conduits operatively connectible to the shell and communicating with the compartment, with the substance to be cooled being passed through the tubes having a high temperature at the inlet of the heat exchanger and at the outlet; a tube bottom of predetermined thickness arranged at the heat exchanger inlet; and a device including a support-grating arranged in the vicinity of the tube bottom, operatively connectible to the shell and extending at least nearly perpendicular to the tube bottom in the region through which the cooler substance is conveyed. The heat exchanger also includes a top provided with apertures and the like which are easily accessible from the steam-water space of the heat exchanger with cooling channels being provided which are adapted to be in communication with the apertures and riser conduits provided outside the heat exchanger proper.
    公开号:SU1026661A3
    申请号:SU792815445
    申请日:1979-09-13
    公开日:1983-06-30
    发明作者:Дойзе Карл-Хайнц；Дробка Витольд
    申请人:Борзиг Гмбх (Фирма)；
    IPC主号:
    专利说明:

    The invention relates to heat engineering, in particular to shell-and-tube heat exchangers for environments with a large pressure difference and a high temperature environment of the tube space. A shell-and-tube heat exchanger for mediums with a large pressure difference and high temperature is known in the tube space, and the tube bundle is fixed on the side of the tube bundle on the side of the tube bundle, and on the tap side - on the supply side of the high-temperature medium. thick-walled tube sheet 1. A disadvantage of the heat exchanger is the occurrence of high thermal stresses in the thick-walled tube sheet, which reduces the reliability of the heat exchanger. Also known shell-and-tube heat exchanger for environments with high pressure differences and high temperature environment of the tube space, containing the casing with the inlet and outlet nozzles of environments and placed in it a bundle of tubes, reinforced in the gratings, and the lattice on the discharge side of the high-temperature environment provided with thermal protection and made thick . with annular recesses around the pipes, interconnected by means of a system of parallel channels placed between pipes 2, to the indicated heat exchanger. the same drawback is inherent. The purpose of the invention is to improve the cooling of the thick-walled grid. Set goal (It is achieved. In a shell-and-tube heat exchanger for media with a large pressure difference and a high temperature of the medium, the tube space contains a shell with media inlet and outlet nozzles and a bundle of tubes housed in it strengthened in the grids, and the grate on the exhaust side is high-temperature the medium is made thick-walled with annular undercuts around the pipes, which are interconnected by means of a system of parallel channels located between the pipes, the undercuts are made open on the side of the intertube pipe countries and communicated with him, and the channels are connected to the nozzles of the annular space environment, and the grid on the side of the supply of high-temperature environment is thin-walled and equipped with a supporting flap-shell, located around the perimeter of the tube bundle. Channels Can be connected to the pipes of the outlet of the annular space through an annular Cameras made in the thickness of the back grate around the beam perimeter Fig. 1 shows the proposed heat exchanger with undercuts around the pipes in the thick-walled tube grate and an annular chamber on the perimeter beam / FIG. 2 - thick-walled grille with annular chamber, top view; in fig. 3 shows section A-A in FIG. 2, in FIG. 4 shows a section BB in FIG. 2, in FIG. 5 - thick-walled grille without annular chamber-, top view; in fig. 6 is a sectional view BB in FIG. 5. The shell-and-tube heat exchanger contains a tube bundle 1 placed in the shell 2, equipped with nozzles 3 for supplying and discharging 4 the high-temperature medium of the tube space and supplying 5 and discharging 6 for the annular space. The nozzle 3 is provided with an inner insulating layer 7. The tube bundle 1, from the supply side of the high-temperature environment, is fixed in a thin-walled grid 8, equipped with a supporting shim-shell 9, located in it. along the perimeter of the tube bundle 1, and from the outlet side - in a thick-walled lattice 10, made with annular recesses 11, open from the side of the intertube space, and communicated with it. The recesses 11 communicate with each other through a system of parallel channels 12, placed between pipes and connected through an annular chamber 13 and a pipeline 14 to nozzles 6. A heat exchanger in a thin-walled lattice 8 is provided with a guide casing 15. The heat exchanger works as follows. V The cooling medium enters the water space formed by the guide casing 15 inside the casing 2 through the nozzles 5, after being evenly distributed by the support shield 9, is supplied to the thin-walled grid 8 and goes to the retraction nozzles 6 through the annular space. At the same time, part of the cooling medium passes through the undercuts 11 into the system P & parallel channels 12, cool the thick-walled grid 10, and then through the annular chamber 13 and pipelines 14 into the branch pipes 6. The proposed heat exchanger improves the cooling of the thick-walled grid and allows it to be used in the processes from the output temperature of 550-650 ° C, and the temperature of the thick-walled lattice reaches ZBO-ZTO C.
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    权利要求:
    Claims (2)
    [1]
    1. A SHELL-TUBE HEAT EXCHANGER for media with a large pressure difference and a high temperature of the tube space medium, comprising a casing with inlet and outlet pipes and a tube bundle placed therein, mounted in gratings, the grate on the high-temperature medium outlet side is thick-walled with ring grooves around the pipes interconnected by means of a system of parallel channels placed between the pipes, characterized in that, in order to improve cooling of the thick-walled grating, the recesses are made open They are connected from the side of the annulus and communicated with it, and the channels are connected to the branch pipes of the annulus of the annulus, and the grill on the supply side of the high-temperature medium is thin-walled and equipped with a supporting shield-shell located around the perimeter of the tube bundle.
    [2]
    2. The heat exchanger on the basis of the fact that the channels are connected to the branch pipes of the medium-1 and the annular space by means of an annular chamber made | in a thick-walled grating around the perimeter of the beam.
    >
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    同族专利:
    公开号 | 公开日
    RO84478A|1984-06-21|
    GB2029955B|1982-11-03|
    FR2436354B1|1983-05-13|
    NL7905640A|1980-03-18|
    JPS5841440B2|1983-09-12|
    RO84478B|1984-08-30|
    CS208124B2|1981-08-31|
    ES482982A1|1980-04-16|
    IT7925642D0|1979-09-12|
    IT1123130B|1986-04-30|
    FR2436354A1|1980-04-11|
    US4236576A|1980-12-02|
    BE878479A|1979-12-17|
    GB2029955A|1980-03-26|
    JPS5541397A|1980-03-24|
    CA1111835A|1981-11-03|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US2834581A|1952-05-20|1958-05-13|Schefels Gerhard|Steel recuperator|
    US2893701A|1956-02-07|1959-07-07|Foster Wheeler Corp|Pressurized tube plate|
    US3140792A|1957-05-28|1964-07-14|Babcock & Wilcox Ltd|Pressure vessel closure member|
    FR1324945A|1962-02-19|1963-04-26|Equip Thermiques Et De Recuper|Process for protecting the exchange surfaces of heat recovery units for furnaces operating at high temperatures and with variable heating regimes|
    DE1294981B|1964-05-28|1969-05-14|Borsig Ag|Tube bundle heat exchanger|
    FR1407775A|1964-06-24|1965-08-06|Commissariat Energie Atomique|Tube sheet and enclosure including application|
    US3356135A|1964-12-24|1967-12-05|Robert K Sayre|Once-through steam generator with means to provide saturated feed water|
    NL6807673A|1968-05-30|1969-12-02|
    NL7106714A|1971-05-17|1972-11-21|
    BE790200A|1971-10-27|1973-04-17|Babcock & Wilcox Co|IMPROVEMENTS RELATING TO EXCHANGERS OF|
    US3913531A|1974-06-20|1975-10-21|Combustion Eng|Sediment blowdown arrangement for a shell and tube vapor generator|
    JPS5844960B2|1976-03-29|1983-10-06|Hitachi Ltd|
    JPS5389063A|1977-01-14|1978-08-05|Hitachi Ltd|Tube type heat exchanger pipe panel structure|US4584003A|1983-05-06|1986-04-22|Asahi Glass Company Ltd.|Apparatus for treating dust-containing gas|
    JPS6012094U|1983-06-29|1985-01-26|
    DE3323781C2|1983-07-01|1986-04-03|Uhde Gmbh, 4600 Dortmund|Device for cooling thick-walled, horizontally arranged tube sheets of heat exchangers|
    JPS61165989U|1985-03-30|1986-10-15|
    DE3533219C1|1985-09-18|1986-11-13|Borsig Gmbh, 1000 Berlin|Tube bundle heat exchanger|
    FR2599133B1|1986-05-21|1990-09-21|Struthers Wells Sa|TUBULAR HEAT EXCHANGER WITH DOUBLE TUBE BEAM SUPPORT PLATE|
    DE3641710A1|1986-12-06|1988-06-16|Uhde Gmbh|DEVICE FOR EXCHANGING HEAT BETWEEN A CIRCUIT GAS AND WATER LEAVING AN NH3CONVERTER|
    DE3930205A1|1989-09-09|1991-03-14|Borsig Babcock Ag|TUBE BUNCH HEAT EXCHANGER|
    DE4000527A1|1990-01-10|1991-07-11|Borsig Babcock Ag|HEAT EXCHANGER FOR COOLING HOT REACTION GAS|
    JP2522856Y2|1991-03-01|1997-01-16|石川島播磨重工業株式会社|Heat exchanger|
    US5425415A|1993-06-15|1995-06-20|Abb Lummus Crest Inc.|Vertical heat exchanger|
    DE4416932C2|1994-05-13|1997-10-16|Shg Schack Gmbh|Heat exchanger|
    DE4445687A1|1994-12-21|1996-06-27|Borsig Babcock Ag|Heat exchanger for cooling cracked gas|
    JP4451520B2|1999-11-08|2010-04-14|株式会社日本触媒|Vertical heat exchanger|
    US8376034B2|2007-09-26|2013-02-19|General Electric Company|Radiant coolers and methods for assembling same|
    FR3012212B1|2013-10-18|2018-01-12|Safran Aircraft Engines|HEAT EXCHANGER FOR TURBOMACHINE|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    DE2840221|1978-09-14|
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