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Device for preheating charging materials for glass melting facilities

A glass and equipment technology, applied in the field of material preheating equipment for glass melting systems, can solve problems such as affecting heat balance, interference, process interference, etc., and achieve the effect of compensating for pressure loss

Inactive Publication Date: 2013-08-28
索尔格投资有限及两合公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It leads to material sticking up to insurmountable process disturbances
In addition, excess air / secondary air / infiltration air (falschluft) sucked in from the environment can also be disturbing because, for example, it adversely affects the thermal balance or promotes the release of dust and prevents outgassing

Method used

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  • Device for preheating charging materials for glass melting facilities
  • Device for preheating charging materials for glass melting facilities
  • Device for preheating charging materials for glass melting facilities

Examples

Experimental program
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Effect test

Embodiment Construction

[0018] exist figure 1 A preheating well 1 is shown in , which has a feed opening 2 at the upper end for the material 3 , which forms a descending / settling column in the preheating well 1 . The feed of the material takes place via a belt conveyor 4 whose conveying power is adjusted via a level sensor 5 such that the feed opening 2 is not closed. The removal device 6 for the preheated material 3 is located at the lower end. The removal device 6 has a conveyor screw 7 driven by an electric motor 8 . The rotational speed of the conveying screw, and thus the conveyed quantity per unit of time, is controlled via a sensor 9 which is connected to a level gauge (not shown) on the bath for the glass melt. The preheating well 1 is insulated from the external heat so that the vast majority of the heat input is transferred to the material 3 . The movement of the material in the preheating well 1 is effected by gravity.

[0019] The preheating of the material 3 takes place by means of e...

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PUM

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Abstract

The invention relates to a device for preheating charging materials (3) for glass melting facilities by means of exhaust gases thereof, having a vertical preheating shaft (1) through which a heat exchanger (10) extends, through which the exhaust gases are directed, wherein the upper end of the preheating shaft (1) has a charging opening (2) for the charging materials (3) and the lower end has a discharge device (6) for the preheated charging materials (3), and wherein the inlet of the heat exchanger is connected to a supply line and the outlet is connected to an outlet line for the exhaust gases. In order that a higher portion of the heat is recovered from the exhaust gases at a lower installation height and lower volume and the suctioning in of ambient air as false air and environmental contamination can be reduced to a minimum degree in such a device, the supply line (10b) for the exhaust gases has at least one branch in the form of an outlet line (13a) for the outlet of a partial volume of the hot gases (13) and the outlet line (13a) is connected to at least one sealing gas line (16) which is open to the bottom and which is arranged in the region of the charging materials (3) above the at least one exhaust gas lead-through (10) of the heat exchanger for releasing the hot gases into the charging materials (3).

Description

technical field [0001] The invention relates to an apparatus for preheating granular material for a glass melting system by means of the exhaust gas of the glass melting system, said apparatus comprising an upright preheating shaft through which extends a a heat exchanger through which the exhaust gas is guided, wherein an exhaust gas passage of the heat exchanger which is not penetrated by particles has openings along its circumference, and wherein the preheating well The upper end has a feed opening for the material and the lower end has a withdrawal device for the preheated material, and wherein the inlet of at least one exhaust gas passage of the heat exchanger is connected to an inlet line And the outlet is connected with a lead-out pipeline for exhaust. Background technique [0002] The preheating of the material before being fed into the glass melting system is a complex work influenced by the fields of chemistry and physics which is extremely difficult to control in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03B3/02F28C3/14
CPCC03B3/023F28C3/14F28D7/0058F28D2021/0045Y02P40/50F27D7/02
Inventor M·林迪希H·索尔格
Owner 索尔格投资有限及两合公司
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