Throat pipe brick and glass substrate manufacturing device

Abstract

The invention discloses a throat pipe brick and a glass substrate manufacturing device. The invention relates to the technical field of TFT-LCD glass substrate manufacturing. The throat pipe brick comprises a throat pipe brick body, a throat pipe body and a cooling assembly; the throat pipe brick body and the throat pipe body are each of a hollow cylindrical structure; the throat pipe body is arranged in the throat pipe brick body; two ends of the throat pipe body respectively extend outwards along the radial direction to form folded edges with annular structures, and the two folded edges respectively coat two ends of the throat pipe brick body; the throat pipe brick body is used for connecting a pool wall brick of a pool furnace rear wall with a platinum channel inlet, and the cooling assembly sleeves the outer wall surface of the throat pipe brick body and is used for cooling the throat pipe brick body. The throat pipe brick can be used for uniformly cooling molten glass in the throat pipe brick along the circumferential direction.

Description

technical field [0001] The invention relates to the technical field of TFT-LCD glass substrate manufacturing, in particular to a throat brick and glass substrate manufacturing equipment. Background technique [0002] Glass substrate is an important part of thin film transistor liquid crystal display (TFT-LCD for short), which is directly related to the product quality of TFT-LCD. Therefore, the manufacturing and operating conditions of glass substrate are more stringent than ordinary glass. A glass substrate with fewer defects and better quality can be obtained to produce liquid crystal display devices. [0003] The pool furnace used for the production of glass substrates and the platinum channel are connected using throat bricks. The throat brick has been scoured by high-temperature glass liquid for a long time, accelerated erosion at the multi-phase boundary, and the large static pressure brought by the deep glass liquid in the upper part to the liquid flow hole in the lo...

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Problems solved by technology

[0004] For this reason, the throat brick is generally cooled, but since the throat brick in the prior art uses square bricks, when cooling the throat brick, it will inevitably cause the glass liquid inside the throat brick along the circumferential direction to be affected. Uneven cooling will affect subsequent further clarification and homogenization

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