High-blackness glass melting furnace crown without attenuating blackness

A glass melting furnace, high blackness technology, applied in the field of glass melting furnace, can solve the problem of attenuation and failure of black body coating, and achieve the effect of excellent furnace enclosure extension, improved melting capacity, and increased heat transfer area

Active Publication Date: 2017-05-10
ZHEJIANG XIHUA ENERGY SAVING TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, with the production and operation of the flame kiln, this layer of sprayed black body coating will rapidly decay and fail

Method used

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  • High-blackness glass melting furnace crown without attenuating blackness

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] A large wall 1 of a glass melting furnace with high blackness and non-attenuating blackness, comprising a fire-facing lining of the main body of the large wall, characterized in that a black body element 2 is arranged in the shallow surface layer 3 of the fire-facing lining , so that the glass melting furnace can absorb and emit the radiant energy in the furnace with an absorptivity and emissivity of ≮0.98, respectively. The blackbody element is an inner cylinder or an inner prism with an opening, and the opening end faces the melting pool of the glass melting furnace. The arrangement density of the black body elements is γ=120~400 pieces / m 2 . The section diameter of the blackbody element is Φ14mm˜Φ20mm, and the depth dimension of the blackbody element is H=60mm˜120mm.

Embodiment 2

[0033] A large wall for a glass melting furnace with high blackness and non-attenuating blackness as described in Example 1, the difference is that the material of the black body element is the same as that of the main body of the large wall.

Embodiment 3

[0035] A glass melting furnace with high blackness and no blackness attenuation as described in Example 1. The difference is that the thickness δ=60mm-120mm shallow surface layer inside the furnace lining on the fire facing side of the said Dalong , set with tens of thousands of blackbody elements.

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Abstract

A high-blackness glass melting furnace crown without attenuating blackness comprises a counter-fire side furnace lining of a crown main body. The glass melting furnace crown is characterized that the shallow surface of the counter-fire side furnace lining is internally provided with a blackbody element, the glass melting furnace crown absorbs and emits the radiant energy in a hearth at the absorption rate and emission rate of being larger than or equal to 0.98, and the blackness is not attenuated in use. According to the high-blackness glass melting furnace crown without attenuating the blackness, the pressure fluctuation amplitude and temperature fluctuation amplitude which are caused by reversing heating of a melting furnace are decreased by 10%. The energy conservation rate of the melting furnace can reach 8%-10%.

Description

technical field [0001] The invention relates to a glass melting kiln with high blackness and no attenuation of blackness, and belongs to the technical field of high-efficiency heat energy utilization glass melting kilns. Background technique [0002] China is a big glass-producing country, and the output of flat glass ranks first in the world. In addition to the traditional and ancient flat glass, automotive glass, instrument glass, medical glass, optical glass, art glass and other large glass industries, glass fiber products are widely used. Various fields of the national economy, such as large-scale construction, renovation and reconstruction of electronics (glass fiber reinforced substrates), infrastructure (highways, bridges, docks), construction (house surface waterproof materials, thermal insulation materials) and wind power generation equipment It has a very wide range of applications. [0003] The glass industry is not only an important material for traditional indu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03B5/42
Inventor 李治岷魏玉文
Owner ZHEJIANG XIHUA ENERGY SAVING TECH
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