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Bubble removal technology for glass total-oxygen kiln

A kiln and glass technology, which is applied in the field of glass all-oxygen kiln debubbling technology, can solve the problems of poor color and high-quality glass that are difficult to form, and achieve the effects of reducing heat loss, improving glass quality, and clear steps

Inactive Publication Date: 2015-06-10
WUXI SUNDIATEC TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But the quality of the whole glass is still much inferior, high-quality glass is always difficult to shape

Method used

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  • Bubble removal technology for glass total-oxygen kiln

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] A glass all-oxygen kiln defoaming process, comprising the following steps:

[0034] Step 1: Prepare a defoaming solution; the defoaming solution is a mixture of tetrabutyltin and kerosene. Among them, the tin content in tetrabutyl tin is ≥33.9%, the tetrabutyl content is ≥99%, the inert component is ≤1.5, and its composition is flammable and poisonous. A mixture of tetrabutyltin and kerosene in a ratio of 1:4.

[0035] Step 2: Mix the defoaming liquid with compressed air; the pressure of the compressed air is 2 bar.

[0036] Step 3: Spray the gas-liquid mixture into the glass all-oxygen kiln. The gas-liquid mixture is in the form of mist. The spray gun is respectively connected with the defoaming liquid and compressed air, and the defoaming liquid and the compressed air are mixed in front of the nozzle of the spray gun. The air is mixed, and the gas-liquid mixture is atomized and sprayed out. Spray into the glass all-oxygen furnace through the spray gun to form a 3-4...

Embodiment 2

[0046] A glass all-oxygen kiln defoaming process, comprising the following steps:

[0047] Step 1: Prepare a defoaming solution; the defoaming solution is a mixture of tetrabutyltin and kerosene. Among them, the tin content in tetrabutyl tin is ≥33.9%, the tetrabutyl content is ≥99%, the inert component is ≤1.5, and its composition is flammable and poisonous. A mixture of tetrabutyltin and kerosene at a ratio of 1:12.

[0048] Step 2: Mix the defoaming liquid with compressed air; the pressure of the compressed air is 4 bar.

[0049] Step 3: Spray the gas-liquid mixture into the glass all-oxygen kiln. The gas-liquid mixture is in the form of mist. The spray gun is respectively connected with the defoaming liquid and compressed air, and the defoaming liquid and the compressed air are mixed in front of the nozzle of the spray gun. The air is mixed, and the gas-liquid mixture is atomized and sprayed out. Spray into the glass all-oxygen furnace through the spray gun to form a 5-...

Embodiment 3

[0051] A glass all-oxygen kiln defoaming process, comprising the following steps:

[0052] Step 1: Prepare a defoaming solution; the defoaming solution is a mixture of tetrabutyltin and kerosene. Among them, the tin content in tetrabutyl tin is ≥33.9%, the tetrabutyl content is ≥99%, the inert component is ≤1.5, and its composition is flammable and poisonous. A mixture of tetrabutyltin and kerosene at a ratio of 1:20.

[0053] Step 2: Mix the defoaming liquid with compressed air; the pressure of the compressed air is 8 bar.

[0054] Step 3: Spray the gas-liquid mixture into the glass all-oxygen kiln. The gas-liquid mixture is in the form of mist. The spray gun is respectively connected with the defoaming liquid and compressed air, and the defoaming liquid and the compressed air are mixed in front of the nozzle of the spray gun. The air is mixed, and the gas-liquid mixture is atomized and sprayed out. Spray into the glass all-oxygen furnace through the spray gun to form a fl...

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Abstract

The invention belongs to the field of glass manufacturing, and particularly discloses a bubble removal technology for a glass total-oxygen kiln. The bubble removal technology comprises the following steps: I, preparing a bubble removal solution; II, mixing the bubble removal solution with compressed air; and III, spraying the gas-liquid mixture into the glass total-oxygen kiln, to form a flame coverage area in the glass total-oxygen kiln. According to the bubble removal technology for the glass total-oxygen kiln, the surface stress of the heterogeneous glass can be effectively damaged, the bubble layer on the surface of the glass can be effectively removed, and the quality of glass can be improved; the technology is clear in steps, convenient to operate, simple and available in raw materials, and high in operability; after the bubble layer is removed by adopting the technology, the heat energy in the space of the kiln can be fast transferred, unnecessary heat loss can be decreased, and the melting temperature and the consumption of natural gas can be reduced.

Description

technical field [0001] The invention belongs to the field of glass manufacturing, and in particular relates to a process for removing bubbles in a glass all-oxygen kiln. Background technique [0002] In the production of glass furnaces, due to the existence of bubblers, the glass liquid is delaminated more seriously, and there is a thin layer of heterogeneous glass on the surface of the glass liquid, and the surface tension of this layer of glass is relatively high. After the bubbles rise to the surface of the glass liquid, they are blocked by the heterogeneous glass layer, and a large number of them stagnate on the surface of the glass liquid, and the appearance appears as a foam layer. In the process of product formation, most of the foam breaks through the surface tension on the surface of the molten glass and breaks out, but there is still a small amount of foam that cannot break through the glass tension and forms open bubbles and long bubbles along with the pro...

Claims

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Application Information

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IPC IPC(8): C03B5/16
Inventor 张魁东廖博智姜成永陈明超刘瑞芳
Owner WUXI SUNDIATEC TECH
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