Muffle furnace, sealed cap and tool for operating sealed cap thereof

A sealing cover and muffle furnace technology, applied in muffle furnaces, manufacturing tools, furnaces, etc., can solve problems such as heat loss, affecting glass substrate production, and fluctuations in the temperature field of muffle furnaces

Active Publication Date: 2017-06-09
WUHU TUNGHSU PHOTOELECTRIC SCI & TECHCO +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In the related art, the muffle furnace is detachably provided with a sealing cover for closing the muffle furnace. By removing the sealing cover to detect the silicon carbide rods in the

Method used

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  • Muffle furnace, sealed cap and tool for operating sealed cap thereof
  • Muffle furnace, sealed cap and tool for operating sealed cap thereof
  • Muffle furnace, sealed cap and tool for operating sealed cap thereof

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Embodiment Construction

[0039] Specific embodiments of the present disclosure will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present disclosure, and are not intended to limit the present disclosure.

[0040] In the present disclosure, unless stated otherwise, the orientation words used such as "upper and lower" usually refer to the definition of the muffle furnace sealing cover provided by the present disclosure in normal use, "inner and outer" Refers to the inside and outside of the contour of the corresponding part.

[0041] In the production process of glass substrates, muffle furnace is an important forming equipment, such as figure 1 and figure 2 As shown, the muffle furnace 1 is provided with a heating element 2 for heating overflow bricks. In order to accurately measure the temperature in the muffle furnace and to observe the usage of the heating...

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Abstract

The invention relates to a muffle furnace, a sealed cap and a tool for operating sealed cap thereof. The sealed cap of the muffle furnace comprises a sealed cap body, and a temperature-measuring opening which is communicated with the outside world formed on the sealed cap body. The temperature-measuring opening is capable of opening a first dam-board and a second dam-board in a sliding mode respectively, wherein the first dam-board is covered with transparency, the second dam-board is used for blocking the volatile matter of heating elements, and the second dam-board is attached to the first dam-board. The sealed cap of the muffle furnace has a first work position and a second work position, in the first work position, both the first dam-board and the second dam-board cover the temperature-measuring opening, in the second work position, the second dam-board removes the temperature-measuring opening, then the temperature measurer is capable of measuring the temperature inside the muffle furnace through the first dam-board. Through the above technical scheme, the sealed cap is not only capable of detecting the temperature inside the muffle furnace and the service condition of the heating elements in real time, but also avoiding the influence from the heating elements in the muffle furnace and the volatile substance produced by silicon carbide rods on the observation of the situations inside the furnace, and then largely improving work efficiency.

Description

technical field [0001] The present disclosure relates to the field of glass substrate production, in particular, to a muffle furnace, its sealing cover, and a tool for operating the sealing cover. Background technique [0002] In the production process of glass substrates, after the ingredients are liquefied by heating in the kiln and filtered and clarified, the molten glass flows into the forming equipment to overflow and pull down to make products. Among them, the muffle furnace is an important molding equipment. There are overflow bricks in the muffle furnace, and silicon carbide rods for heating the overflow bricks are arranged around the overflow bricks. In order to maintain the state of the glass liquid in the muffle furnace, strict Control the temperature and usage status of silicon carbide rods. In the related art, the muffle furnace is detachably provided with a sealing cover for closing the muffle furnace. By removing the sealing cover to detect the silicon carbid...

Claims

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Application Information

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IPC IPC(8): F27B5/00F27B5/06F27D1/18F27B5/18C03B5/16C03B5/02
CPCF27B5/00F27B5/06F27B5/18F27D1/1808C03B5/02C03B5/16F27M2001/07
Inventor 刘源李青李斌杨道辉李兆廷何怀胜李震石志强张桂龙杨静怡
Owner WUHU TUNGHSU PHOTOELECTRIC SCI & TECHCO
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