SU1046017A1 - Hollow cover for drying and heating ladles - Google Patents

Abstract

FLOORING CRYUPS FOR SUPPORT AND HEATING OF THE BUCKET, comprising a body, a separator sheet with stiffening ribs dividing the body of the cover to the upper and lower cavities communicating with each other, a burner with gas supply, in the upper part of which there are holes and pipes for air supply and exhaust so that, in order to increase efficiency and save fuel, in the central part of the body of the curvature, holes are made, the separating sheet is made with a diameter equal to the diameter of the base of the body, and tion is provided with internal partitions with holes cases schimiverhnyuyu and a lower cavity in the central and peripheral ash, the air supply pipe is connected to the upper periferiyi hydrochloric zone, and pipe smoke removal with the lower peripheral area. (O 4 ;: O)

Description

The invention relates to metallurgical production, in particular, to devices for drying and heating of ladles for casting metals.

The invention can be used in smelting and foundry shops and non-ferrous metallurgy.

A device for drying ladles is known, comprising a lined lid with a burner and a lifting drive, air ducts, and ClJ gas pipelines,

The disadvantage of this 5 Device is that the expensive lining of the cover in this device is not lasting.

It is also known a device including an air-cooled lid with a burner and a lid lifting drive — an air-gas duct and a duct 21,

The disadvantage of this device is low efficiency due to the impossibility of utilizing the heat of waste products — combustion with combustion air, since for cooling the device lid it is necessary to supply cold air. Heating of air in the known device is accomplished by taking heat from the base of the cover body from the working space and not from flue gases, which is not a utilization.

The purpose of the invention is to increase the efficiency of the device and fuel economy.

This goal is achieved by the fact that in a hollow lid for drying and submersible ladles, comprising a housing, a separating sheet with stiffening ribs, dividing the housing of the lid into the upper and lower cavities connected to each other, the burner with the gas pipeline, in the upper part of the KOTORA holes and branch pipes for supplying air and removing smoke g in the central part of the base of the COVER building, holes are made, a separating sheet is made with a diameter equal to the diameter of the base of the housing, and the cover housing is additionally equipped with internal partitions apertured cases conductive upper and lower cavity of the central and peripheral zones, wherein the air supply pipe is connected to the upper peripheral zone and the drain tube smoke - a lower peripheral zone.

FIG. 1 shows the device; FIG. 2 shows section A-A in FIG. one; in fig. 3 shows a section BB in FIG. one.

The floor cover comprises a housing 1, in the base of which holes 2 are made, connecting the cavity with the working space 3, separation sheet 4 with stiffening ribs 5, upper 6 and lower 7 partitions with openings 8 and 9, dividing g with sheet 4 and the ribs 5 of the cavity of the housing 1 of the lid to the upper 10, lower 11 central zones and upper 12, lower 13 peripheral zones, air supply pipe 14, outlet pipe 15, burner 16 with openings 17 for air passage and gas pipeline 18.

Air from the fan is supplied through the nozzle 14 to the upper peripheral zone. 12 of the housing 1 of the lid, from where through the openings 8 in the upper partition b enters the upper central zones 10. The passage above the heated separating sheet 4, under which the combustion products move in countercurrent, the air cools it, while heating itself, and through the openings 17 enters the burner 16. From the working space 3, the combustion products with a high temperature are removed through the holes 2 located in the central part of the base of the housing 1; Passing through the lower central zones 11, they give some of their heat to the air-cooled part flax sheet 4, then through the holes 9 into the lower peripheral zone 13 / wherein there is a further recycling, since periferiy.noy above the lower zone 13 is disposed an upper peripheral zone 12 at which the cold air moves countercurrently. From the lower peripheral zone 13, cooled products of combustion through the pipe 15 leave the roof

The use of this invention due to the deep heat recovery of waste combustion products will allow to reduce the specific consumption and increase the efficiency of the device.

Reducing the temperature of waste combustion products, the dilution of which with cold air will be greatly reduced, and reducing the hydraulic resistance of the air path of the device will reduce energy consumption due to the use of less powerful smoke exhausters and fans.

The economic effect due to fuel economy is 52.8 thousand / p. in year.

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Claims (1)

HOLLOW COVER FOR DRYING AND HEATING OF BUCKETS, comprising a housing, a dividing sheet with stiffeners, dividing the housing of the lid into upper and lower cavities communicating with each other, a gas-fired burner in the upper part of which openings and nozzles are made for air inlet and smoke exhaust, o The reason for this is that, in order to increase the efficiency and save fuel, holes are made in the central part of the base of the hinge base, a separation sheet is made with a diameter equal to the diameter of the base of the hull, and the cover body is additionally provided with internal partitions and openings dividing the upper and lower cavities into central and peripheral zones, the air supply pipe being connected to the upper peripheral zone and the smoke exhaust pipe to the lower peripheral zone. S SU. ,,, 1 FIG. f