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2 117 860

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C1

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IPC

(21) (22)

Application

96120546/06, 1996-10-09

(22)

Actual filing date

1996-10-09

(45)

Published

1998-08-20

(72)

Inventor

Kostjuchenko A.A.Kobjakov I.N.Najdenov F.T.Podoba B.P.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa Zavod Ehnergeticheskogo Mashinostroenija"

FIRE-TUBE BOILER-GAS-TUBE BOILER Russian patent published in 1998 - IPC

Abstract RU 2117860 C1

FIELD: fire-tube and gas-tube boilers. SUBSTANCE: boiler includes drum 1 formed by cylindrical shell 2 fastened over ends with front head 3 and rear 4 of boiler, tube bank, fire tube 5 and swivel chamber 7 fastened with front head 6 and rear head 9 braced by means of anchor ties 14 brought out of boundaries of tube heads; mounted on the outside of tube heads are stiffeners 15 fastened with ends of anchor ties 16 which are fastened in their turn with twin fins 17. Anchor ties 16 and extreme ends of fins 17 are also located over circle coaxial relative to shell 2; ends of fins located between anchor ties 17 are deflected from above-mentioned circle from fire tube 5 towards shell 2. EFFECT: reduction of stress in boiler tube sheets. 3 cl, 5 dwg

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RU 2 117 860 C1

Authors

Kostjuchenko A.A.

Kobjakov I.N.

Najdenov F.T.

Podoba B.P.

Dates

1998-08-20—Published

1996-10-09—Filed

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