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Novel muffle furnace

A muffle furnace, a new type of technology, applied in glass forming, glass blowing, glass manufacturing equipment, etc., can solve the problems of unguaranteed diameter and roundness of glass tubes, non-environmental waste gas, uneven temperature, etc., to achieve Uniform and controllable temperature, clean energy and environmental protection, high thermal efficiency

Inactive Publication Date: 2017-03-01
赵建
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Such a muffle furnace has low thermal efficiency, is not environmentally friendly and exhaust gas is discharged, and the temperature in the furnace cavity is uneven and difficult to control, so the diameter and roundness of the glass tube cannot be guaranteed.

Method used

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Embodiment Construction

[0009] as attached figure 1 , 2 As shown, the heat-resistant plate 4 is made into a straight cylinder to form the furnace chamber 3 , and the outer periphery of the straight-cylindrical heating chamber 5 is made of a steel plate 6 to form the heating chamber 5 between the heat-resistant plate 4 and the steel plate 6 . Three silicon-molybdenum rods 2 are arranged on the radial section of each one-third of the axial direction from the heating chamber 5 and are separated in an equilateral triangle. Turn on the power supply of the silicon molybdenum rod 2 , the temperature in the heating chamber 5 is raised, and the temperature is transferred to the furnace chamber 3 through the heat-resistant plate 4 . When the temperature in the furnace cavity 3 rises to the set temperature, the silicon-molybdenum rod 2 is instructed by the temperature controller to be de-energized (to be energized after falling to the set temperature). Thus, the molten glass passes through the furnace chamber...

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Abstract

The invention provides a novel muffle furnace to overcome the problems of pollution to glassware and influence on the shape of the glassware due to heating manners of traditional muffle furnaces. The novel muffle furnace comprises a furnace chamber, a heating chamber, silicon-molybdenum rods and a heat-insulation layer. The novel muffle furnace is characterized in that the furnace chamber is made of a heatproof plate; the periphery of the heating chamber is made of a steel plate; six silicon-molybdenum rods are arranged in the heating chamber and divided into two groups; the two groups of silicon-molybdenum rods are in the shape of a regular triangle and coat the outer side of a glass tube at positions one third and two thirds of the axial height of the glass tube respectively; and the number of the silicon-molybdenum rods is plural, and each group of silicon-molybdenum rods coats the outer side of the glass tube in the form of a regular polygon. The novel muffle furnace provided by the invention has the advantages of high thermal efficiency, usage of clean and environment-friendly energy, uniform and controllable temperature in the furnace chamber, etc.

Description

technical field [0001] The invention relates to a novel muffle furnace, which is particularly suitable for forming, processing and manufacturing glass pipes such as energy-saving lamp tubes and solar hot water pipes, and belongs to the technical field of glass smelting and forming. Background technique [0002] In the process of processing various glass tube products by the maintenance method, the glass raw materials are made into glass tubes with various diameters. The most critical process is to blow the glass liquid formed after heating and pass through a set temperature of the muffle furnace to obtain glass tubes of the desired diameter. The traditional muffle furnace is made of refractory materials. Its radial shape is generally a regular hexagon. There are two upper and lower flame holes on the wall of each side. The natural gas or city gas fuel used is injected The fire hole sprays fire into the furnace cavity for heating. Such a muffle furnace has low thermal effic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03B9/00
Inventor 不公告发明人
Owner 赵建
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