Tube-plate heat-exchanger

专利摘要:
A heat exchanger having a plurality of parallel pipes arranged in lines and strips of fin plates fixed to the pipes perpendicularly to the lengths thereof. Turbulence-forming structures are cut out of the fin plates and are bent up at 90 DEG with respect to the planes of the plates, such structures functioning as fin plate spacers and as baffles to direct a fluid medium of inferior heat transfer coefficient which flows in a direction parallel to the planes of the finned plates and perpendicularly to the pipes. The pipes are adapted to conduct a fluid medium of superior heat transfer coefficient. The turbulence-forming structures are disposed in lines on each side of the lines of pipes and in rows which are substantially tangential to the opposite sides of the pipes. The heat exchanger may have a plurality of lines of pipes spaced equally transversely from each other and transvetsely of the direction of flow of the fluid medium of inferior heat transfer coefficient. Further turbulence-forming structures may be disposed along the center line between the successive lines of pipes.
公开号:SU1314963A3
申请号:SU813254394
申请日:1981-03-11
公开日:1987-05-30
发明作者:Бакай Арпад；Бодаш Янош；Форго Ласло；Папп Иштван；Ковач Дьюла；Ласло Карой
申请人:Трансэлектро Мадьяр Вилламошшаги Кюлькерешкеделми Валлалат (Инопредприятие)；
IPC主号:

专利说明:

113
The invention relates to heat exchangers, particularly to tube-to-plate heat exchangers.
The purpose of the invention is to intensify heat transfer.
In Fig.1 schematically shows the proposed heat exchanger, longitudinal section; in fig. 2 - the same plan view; Fig. 3 shows plates with slots having bent edges.
The heat exchanger contains a bundle of rows of round tubes 1, staggered on intersecting diagonals, and flat plates 2 fixed on tubes with a constant pitch along their length, made with slots 3 and 4 having edges 90 bent at 90 °. The angle between the diagonals and the direction of the annular medium is 45-60, and the slots 3 and 4 are located on intersecting straight lines lying midway between these diagonals parallel to the latter, with one part of the slots 3 located at the intersection points of the indicated straight lines, and the other and 4 - at the points of intersection with them tangent to the rows of tube 1 and coinciding with the direction of fluid flow annulus.
The heat exchanger operates as follows.
One of the working media passes through the pipes 1, and the other flows around the pipes
149632
and flat plates 2. At the same time, due to the arrangement of the slots 3 and 4 and the edges 5, which are turbulators, on the plates 2, an optimal distribution of heat fluxes around the pipes 1 and the annular space is ensured, which in general intensifies heat exchange.

权利要求:
Claims (1)
[1]
 About formula of invention
A tubular-plate heat exchanger with transverse washing of the tubes by the medium of the annular space, containing a bundle of rows of round tubes arranged in a checkerboard pattern on intersecting diagonals, and flat plates fixed at pipes with a constant step along their length
five
Slotted out with 90 ° bent edges, characterized in that, in order to intensify heat transfer, the angle between the diagonals and the direction of the annular space medium is 45-60, and the slots are located on the intersecting straight lines lying midway between these diagonals. parallel to the latter, one part of the slits is located at the intersection points of the indicated straight lines, and the other part — at the intersection points of the tangents, drawn to the rows of pipes and coinciding with the flow direction 5 of the annular space.
Phi2.1
Editor Y. Sereda
Compiled by Yu.Karpenko Tehred N.Glutzenko
2225/59
Circulation 612 Subscription
VNIIPI USSR State Committee
for inventions and discoveries 113035, Moscow, Zh-35, Raushsk nab., 4/5
Production and printing company, Uzhgorod, st. Project, 4
Fi.Z
Proof-reader I.Erdeyi

类似技术:

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同族专利:

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FR2478291B1|1987-03-06|

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DE3047580A1|1981-12-24|

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UA5941A1|1994-12-29|

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ZA807950B|1982-01-27|

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JPH01169983U|1989-11-30|

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GB2071304A|1981-09-16|

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GB2071304B|1984-08-15|

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EP0994321B1|1998-10-13|2004-08-18|Robert Bosch Gmbh|Heat exchanger for fuel fired water heater|

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FR2832789B1|2001-11-27|2004-07-09|Valeo Thermique Moteur Sa|HEAT EXCHANGE MODULE FIN, ESPECIALLY FOR A MOTOR VEHICLE|

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TWM403012U|2010-11-03|2011-05-01|Enermax Tech Corporation|Heat dissipating device having swirl generator|

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US20130284416A1|2011-01-21|2013-10-31|Daikin Industries, Ltd.|Heat exchanger and air conditioner|

法律状态:

优先权:

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申请号 | 申请日 | 专利标题

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HU80566A|HU181538B|1980-03-11|1980-03-11|Turbulent heat exchanger|

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