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(19)

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2 091 688

(13)

(51)

IPC

(21) (22)

Application

93029870/03, 1993-06-08

(22)

Actual filing date

1993-06-08

(45)

Published

1997-09-27

(72)

Inventor

Abbakumov V.G.Mosin O.S.Novikov V.L.Tarakanchikov G.A.

(73)

Holder

Sankt-Peterburgskij Gosudarstvennyj Institut Nauchno-Issledovatel'Skikh I Proektnykh Rabot Ogneupornoj Promyshlennosti

TUNNEL FURNACE Russian patent published in 1997 - IPC

Abstract RU 2091688 C1

FIELD: tunnel furnaces. SUBSTANCE: furnace walls are provided with channels in area of heating for supply of medium being controlled; in roasting area, walls are provided with channels for discharge of mixture of medium being controlled and process gases. These channels are provided with gates. They are connected with inter-arch space which is in communication with flue gas discharge channel. EFFECT: enhanced reliability. 3 dwg

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RU 2 091 688 C1

Authors

Abbakumov V.G.

Mosin O.S.

Novikov V.L.

Tarakanchikov G.A.

Dates

1997-09-27—Published

1993-06-08—Filed