SU1235613A1 - Arrangement for heating loose materials - Google Patents

Description

The invention relates to the literary production, in particular, to units for the thermal regeneration of molding mixtures and supposi granular materials in a fluidized bed, and can be used in the metallurgical, chemical and other industries.

The purpose of the invention is to intensify heat transfer.

The drawing shows schematically a device for heating bulk materials with flue gases.

The device contains a feeder loader 1 articulated with a charging window 2, a smoke box 3, a separation device 4, shaft 5, in. the whole height of which is located along the riverbed dividers 6, made in the form of hollow conical nozzles with screenings of the lower edges 7. Along the entire height of the shaft 5, there are w-ring guides 8, which are made in the form of a diff. hole 9 and the confuser 10 inserted into it that the upper edge of the confuser 10 forms a protrusion 1 on the lower edge of the diffuser. 9. In the lower part of the shaft 5 there is a smoke box 12,

The device works as follows

Polydispersyr material is fed through the feeder-loader 1, articulated with the charging port 2, along the axis of the ottoman 5 to the dividers 6, the material falling on the conical heated surface of the divider 6 and the diffuser 9 forms a protective layer due to the outlets 7. And P, fuse tellers and 9 from and 1 tsenibnogo

ten

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wear out The heated polydisperse material along the conical planes of the dividers 6 and the annular chambers yuchitsih 8 moves from above

5 down along the entire shaft 5, repeatedly in contact with the heated surfaces of the dividers 6 and annular spacings 8, as well as the flow of hot flue gases, lifting upwards.,

The hot flue gases post-fall along the dagmoducing duct 12 into the shaft 5, where the passage through the annular channels formed by the dividers 6 and the ring 5 with the guide rails 8 heats the polydisperse material and the walls of the dividers 6 and the annular guides 1X 8, From mines 5 the flue gases enter the separation device 4, where it is deposited, polydisperse material is given and it falls back into the shaft 5. The rigid fixation of the diffusers on the casing ensures the absolute gas tightness of the shaft.

The use of the proposed device, in contrast to the known devices, will ensure uniform distribution of the material over the cross section of the mine, a high goat (the heat transfer agent from the outgoing heating gases to the {loading) material, a uniform coating of the internal surface of the fusors with a layer of friable material to protect the metal from abrasion, an increase in the residence time of the material in the device, a slight removal of material from the separation zone.

 In addition, the proposed device will provide a high degree of utilization of heat from the flue heating gases.

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Compiled by O. Belkov Editor N. Tupitsa Tehred V. Kadar Proofreader M. Maksimishinets

Order 3041/8 Circulation 757 Subscription

Supreme Soviet of the USSR State Committee

for inventions and discoveries 113035, Moscow, Zh-35, Raushsk, Embankment, 4/5

Production and printing company, Uzhgorod, st. Project, 4

Claims (1)

DEVICE FOR HEATING OF BULK MATERIALS, containing a shaft and tiered ring guides and dividers, characterized in that, in order to intensify heat transfer, the dividers are made in the form of hollow conical nozzles, and the ring guides in the form of a confuser and diffuser with a rigid fastening of the latter on the shaft body . 1 G2