Process for synthesizing quartz glass by horizontal silicon tetrachloride vapor deposition

A horizontal silicon tetrachloride and synthetic quartz technology, which is applied in glass molding, glass production, glass deposition furnaces, etc., can solve the problems of reducing the strength of the basic rod to bear the weight, the basic rod is broken, and the efficiency of obtaining materials is low. Achieve the effects of improving strength and anti-devitrification performance, reducing self-weight, and improving deposition environment
CN100387535CActive Publication Date: 2008-05-14CHINA BUILDING MATERIALS ACAD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
CHINA BUILDING MATERIALS ACAD
Publication Date
2008-05-14

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Abstract

The invention discloses a horizontal silicon chloride vapour deposition synthesizing quartz glass method, which comprises the following parts: chimney, furnace body, deposition target surface, burner, basis bar and lathe, wherein the furnace body is blocked style furnace body; the front of furnace installs burner; the burner includes multiple-layer oxygen chamber; every oxygen chamber has a loop of oxygen lamp wick pipe; the bottom of multiple-layer oxygen chamber installs a hydrogen gas chamber; the bilateral oxygen chamber sets up two hydrogen air feeders; the basis bar forms hollow tube type, which places in furnace body; the number of the burners can be two to ten. The invention is characterized by the following: it makes the product weight reach to 100-200Kg; the diameter ratio of the quartz glass ingot is more than 250mm; the deposition rate can reach the speed at 180-500 grams an hour; the production efficiency can be improved three to five times than traditional.
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Description

technical field

[0001] The invention relates to a method for synthesizing quartz glass by vapor phase deposition of silicon tetrachloride, in particular a method for synthesizing quartz glass by using an improved horizontal deposition furnace. Background technique

[0002] For a long time, in the horizontal production process used in the production of quartz glass, the deposition furnace has been a traditional horizontal furnace, as shown in Figure 1 and Figure 2. Inside the furnace body, there is a deposition mound surface fixed to the port of the foundation rod. The furnace body is open, with a chimney in the middle, a burner outside one end of the furnace body, and a foundation rod pierced through the other end. The foundation rod passes through one end of the furnace body and a Lathe connection; the synthesis of quartz glass is usually formed by accepting the burner cutting material on the deposition target surface. There are three problems in the setting of this horizo...

Claims

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