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Glass material preparation crucible and preparation method

A glass and crucible technology, which is applied in the field of optical glass melting production equipment, can solve problems such as platinum crucible wall erosion, and achieve the effect of avoiding service life

Inactive Publication Date: 2018-08-14
HUBEI NEW HUAGUANG NEW INFORMATION MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The object of the present invention is to provide a glass stock preparation crucible and a stock preparation method, which are used to solve the problem of fluorophosphorus glass corroding the platinum crucible wall during the melting stage, improve the yield rate of fluorophosphorus glass products, and reduce product production costs

Method used

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  • Glass material preparation crucible and preparation method
  • Glass material preparation crucible and preparation method
  • Glass material preparation crucible and preparation method

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Experimental program
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Effect test

Embodiment A

[0036] Such as figure 1 , 2 , using Al 2 o 3 20%, ZrO 2 ≥73%, SiO 2 Each part of the crucible is made of 5% ceramic material. The crucible body 1 adopts an open type, and the crucible cover 2 adopts an arc closed design. The angle of the feeding port 5 is obliquely upward. 4 is a rectangle, and the minimum distance between its minor axis direction and the stirring rod is 1 cm. After the implementation, the loss of fluorine-containing components in the product was significantly reduced, the upper limit of single-pot smelting was 35 crucibles, and the platinum foreign matter inside the product was reduced from 1.2 pieces / cm 3 down to 0.05 / cm 3 .

Embodiment B

[0038] Such as image 3 , using Al 2 o 3 ≥80%, ZrO 2 15%, SiO 2 The parts of the crucible are made of 4% ceramic materials. The crucible body 1 adopts a vertical type, the crucible cover 2 adopts a straight and closed design, the feeding port 5 is angled horizontally, the stirrer adopts a hollow "frame" design, and the stirring hole 4 It is elliptical, and the minimum distance between its short axis direction and the stirring rod is 1cm. After the implementation, the loss of fluorine-containing components in the product was significantly reduced, the upper limit of smelting in a single pot was 42 crucibles, and the platinum foreign matter inside the product was reduced from 1.2 pieces / cm 3 down to 0.03 / cm 3 .

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Abstract

The invention discloses a glass material preparation crucible and a preparation method, belonging to the technical field of optical glass smelting production equipment, and mainly used for solving theproblem of corrosion to a platinum crucible wall during fluorophosphate melting. The glass preparation crucible is mainly characterized by comprising a crucible body, a crucible cover and a stirrer;a charging opening and a stirring hole are formed in the crucible cover; the lower part of the crucible body is provided with a material leakage pipe; the charging opening is formed in a side face ofthe crucible cover in a horizontal or slantly upward direction; the stirring hole is shaped like an oval or rectangle, and a long axis direction thereof is used for the stirrer to enter and stir. Themethod comprises the following steps: (1) lifting the stirrer out of a crucible, and then charging from the charging opening; (2) enabling the stirrer to enter and stir, heating, and homogenizing; (3)when smelting is ended, after molten glass is leaked from a material pipe and discharged, directly leaking the molten glass onto a water cooling dry-type preparation platform and quenching to form glass splinter, thus achieving the preparation of a clinker. The glass material preparation crucible and the preparation method are used for fluorophosphate glass melting production by multi-crucible continuous preparation, solving the problem of powder corrosion to a platinum crucible wall during a fluorophosphate melting stage, and facilitating improving product interior quality, increasing yieldand lowering production cost.

Description

technical field [0001] The invention belongs to the technical field of optical glass smelting production equipment, and relates to a glass material preparation crucible and a material preparation method, in particular to a fluorophosphorous glass continuous material preparation melting crucible and a material preparation method. Background technique [0002] Fluorophosphate optical glass is a special optical glass with low refraction and low dispersion, which can eliminate secondary spectral chromatic aberration, improve the imaging quality of optical lenses, and has a low softening point, which can be made by one or two presses Aspheric lens is an excellent optical material for producing advanced digital products. However, fluorophosphorus glass is highly volatile and corrosive due to its high fluoride content. [0003] The most serious erosion stage in the fluorophosphorus glass melting process is the glass raw material melting stage, and the most serious erosion to the c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03B5/08C03B5/235
CPCC03B5/08C03B5/235Y02P40/57
Inventor 杨爱清徐光以霍金龙任江华谭晨
Owner HUBEI NEW HUAGUANG NEW INFORMATION MATERIALS CO LTD
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