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Convection heating furnace for heating glass sheet

A convection heating, glass plate technology, applied in glass tempering, glass manufacturing equipment, manufacturing tools, etc., can solve problems such as incompatibility, glass quality damage, etc., to achieve the effect of high heating efficiency

Active Publication Date: 2012-02-29
GLASTON FINLAND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The quality of the glass is thereby compromised and it is inevitably unsuitable for its purpose

Method used

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  • Convection heating furnace for heating glass sheet
  • Convection heating furnace for heating glass sheet
  • Convection heating furnace for heating glass sheet

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0019] figure 1 A part of a convection furnace is shown with rollers 4 as supports and as glass drive means. Only the heating system on the upper side of the glass 3 is shown in the figure, but of course the same system could be placed upside down on the lower side of the glass. The heated air flow proceeds along channel 1, which is mounted in the direction of the glass, heated by heating elements 12, and from which the air flow is directed downwards to each nozzle group. Each nozzle group is shaped as a housing 2 . Housings like this are produced, for example, by extruding sheet metal so that when viewed from the direction of the glass sheet, two sheets so shaped form a base when fitted together. image 3 The directional exhaust nozzle 6. The air flow direction in the shaped shell 2 is substantially the same as in the exhaust nozzle 6 .

[0020] For example, the formed sheets can be joined to each other by spot welding from points on the surfaces, wherein the sheets abut ...

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Abstract

A convection heating furnace for a glass sheet, into which oven glass sheet (3) arrives along a hauling track, as on moving rolls (4), and said furnace further comprises of heating elements (12), in order to heat the air, which is blasted against glass sheet (3), a blaster and blast air channelling in order to blast said air against the glass sheet, and the blast air channelling has, elongated channels (1), into which at least a part of the blast air heating elements 12 are fitted, and each channel comprises air blasting means on its flank directed against the glass sheet (3). As air blast elements there are nozzle groups fixed on the channel (1) flank, where the nozzle group formed of sheet metal, as of two, into shape formed sheets joined together to form a casing, whereby said casing comprises one or several for blast air directed discharge channels (6), and the direction of air flow in said casing (2) is essentially in the same direction as in said discharge channels (6).

Description

technical field [0001] The invention relates to a convection furnace for a glass sheet, which enters the furnace along a traction track when the glass sheet is on moving rollers, said furnace moreover comprising a heater for heating the air blown against the glass sheet element, a blower for blowing air to the glass sheet, and a blowing channel, and the blowing channel has an elongated channel along the moving direction of the glass sheet, at least a part of the heating element for heating the blast is mounted to the elongated channels, and each channel comprises on its side blowing means directed towards the glass sheet. Background technique [0002] Previously known are heating convection ovens according to the above introduction, from publication number EPO0910553B1 and FI application publication number 20030482 and others. In these furnaces, the blown air is not evenly distributed over the glass surface in the transverse direction of glass advance. This is due to the f...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03B27/02C03B29/08C03B27/044
Inventor P·拉米E·拉米
Owner GLASTON FINLAND