Deep cavity quartz crucible with the thick wall of 26 inches, production method and equipment thereof

A quartz crucible and crucible technology, applied in the 26-inch thick-walled quartz crucible, its production method and production equipment field, can solve the problems of long service life, large volume when melting materials, inability to manufacture thick walls, etc. Uniform wall thickness and good spraying effect

Inactive Publication Date: 2009-11-04
余姚市晶英电弧坩埚有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] An object of the present invention is to solve the problems that the above-mentioned prior art does not have a thick-walled crucible, and the existing crucible cannot meet the requirements of large volume, thick wall and long service life when melting materials in the glass and chemical industries, and the existing production process To solve the problem that the equipment cannot manufacture thick-walled crucibles, a 26-inch thick-walled quartz crucible, its production method and a production equipment for a 26-inch thick-walled quartz crucible are provided

Method used

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  • Deep cavity quartz crucible with the thick wall of 26 inches, production method and equipment thereof
  • Deep cavity quartz crucible with the thick wall of 26 inches, production method and equipment thereof
  • Deep cavity quartz crucible with the thick wall of 26 inches, production method and equipment thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0053] A 26-inch thick-walled quartz crucible:

[0054] Crucible size: outer diameter: 655mm, height: 600mm, thickness: 22mm, raw material: high-purity quartz sand (sio2 content 99.9999%), raw material weight: 260kg.

[0055] Manufactured by:

[0056] 1). Pour the quartz sand into the mold, shape it with a forming rod by centrifugal force, and then pull the mold into the melting chamber;

[0057] 2). The graphite electrode is energized and arced, and melted at a high temperature of 3500 ° C for 60 minutes;

[0058] 3). Cool naturally for 5 minutes, take it out and polish it.

Embodiment 2

[0060] A 26-inch thick-walled quartz crucible:

[0061] Crucible size: outer diameter: 665mm, height: 900mm, thickness: 50mm, raw material: high-purity quartz sand (sio2 content 99.9999%), raw material weight: 300kg;

[0062] Manufactured by:

[0063] 1). Pour the quartz sand into the mold, shape it with a forming rod by centrifugal force, and then pull the mold into the melting chamber;

[0064] 2). The graphite electrode is energized and arced, and melted at a high temperature of 3300 ° C for 90 minutes;

[0065] 3). Let it cool naturally for 10 minutes, take it out and polish it for shaping.

Embodiment 3

[0067] A 26-inch thick-walled quartz crucible:

[0068] Crucible size: outer diameter: 660mm, height: 800mm, thickness: 40mm, raw material: high-purity quartz sand (sio2 content 99.9999%), raw material weight: 280kg;

[0069] Manufactured by:

[0070] 1). Pour the quartz sand into the mold, shape it with a forming rod by centrifugal force, and then pull the mold into the melting chamber;

[0071] 2). The graphite electrode is energized and arced, and melted at a high temperature of 3400 ° C for 75 minutes;

[0072] 3). Cool naturally for 15 minutes, take it out and polish it for shaping.

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Abstract

The invention relates to the crucible product field, in particular to a quartz crucible with the thick wall of 26 inches, a production method and equipment thereof. The invention solves the problem that a crucible with thick wall does not exist in the prior art, the existing crucible can not meet the requirements of large volume, thick crucible wall, long service life during melting materials in glass, chemical industries, and the existing processing technique and equipment can not manufacture the crucible with the thick wall; therefore, the quartz crucible with the thick wall of 26 inches is provided; a quartz crucible hot forming system including a crucible founded host computer, an oil-filled transformer, a hydraulic power transmission system, a cooling system, a control system and an exhaust air system is also provided; the oil-filled transformer, the hydraulic power transmission system, the cooling system and the control system are respectively connected with the crucible founded host computer by electrical signals or pipelines. The design of the invention and the daring and scientific technical reform fill up the manufacture gas of the quartz crucible with the thick wall.

Description

technical field [0001] The invention relates to the field of crucible products, and relates to a 26-inch thick-walled quartz crucible, a production method and production equipment thereof. Background technique [0002] The old technology in the domestic chemical and glass industries uses platinum crucibles to melt raw materials, because the market price of platinum is relatively high, resulting in a substantial increase in corporate costs. Only quartz crucibles can replace platinum crucibles, because quartz crucibles have high purity and good stability , The price is low. In the past ten years, quartz crucibles have become the preferred container for melting raw materials in the chemical and glass industries. However, when melting glass and chemical raw materials, there are certain alkali metals and alkaline earth metals in the raw materials, which will corrode the inner wall of the quartz crucible, but the alkali metals or alkaline earth metals used as additives must be ad...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03B5/08C04B35/653
Inventor 黄乃军黄洁
Owner 余姚市晶英电弧坩埚有限公司
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