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IPC

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Application

99106213/06, 1999-03-25

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Start date

1999-03-25

(22)

Actual filing date

1999-03-25

(45)

Published

2000-09-20

(72)

Inventor

Zakirov D.G.Konoplin S.S.Rybin A.A.Zakirov D.D.Druzhinin L.F.Raspopov S.V.

(73)

Holder

Mezhotraslevoj Nauchno-Issledovatel'Skij Institut Ehkologii Toplivno-Ehnergeticheskogo Kompleksa

HELICAL HEAT EXCHANGER Russian patent published in 2000 - IPC

Abstract RU 2156423 C1

FIELD: heat-transfer apparatuses for power, chemical, metal-working, and mine industries. SUBSTANCE: heat exchanger has working-medium passages of which one accommodates in-line pins arranged in longitudinal and transverse directions at pitch t and provided, in addition, with vortex generators made of longitudinally coiled strip; each vortex generator is mounted on two adjacent pins; vortex generator pitch t1 makes up four pin pitches t in longitudinal direction. Heat exchanger incorporates provision for reducing settling of suspended particles on heat- transfer surfaces of passages. EFFECT: improved long-time operating efficiency in handling dirty working media. 2 dwg

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RU 2 156 423 C1

Authors

Zakirov D.G.

Konoplin S.S.

Rybin A.A.

Zakirov D.D.

Druzhinin L.F.

Raspopov S.V.

Dates

2000-09-20—Published

1999-03-25—Filed

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