deceased Richard Irving (LATE OF Pocatello ID BY Kate Johnson Howard
executrix)
출원인 / 주소
FMC Corporation (Philadelphia PA 02)
인용정보
피인용 횟수 :
23인용 특허 :
2
초록▼
An improved process is described for producing glass in which a glass batch is mixed with a binder, aged, compacted, and compressed into briquettes, which are heated to partially react the contents of the batch in a prereaction stage. Prereacted briquettes are then placed in a fuel-fired furnace and
An improved process is described for producing glass in which a glass batch is mixed with a binder, aged, compacted, and compressed into briquettes, which are heated to partially react the contents of the batch in a prereaction stage. Prereacted briquettes are then placed in a fuel-fired furnace and heated at a temperature not above 2,600°F (1,430°C) to refine them into glass.
대표청구항▼
A process for the continuous manufacture of glass from glass batch comprising silicon dioxIde, soda ash and a calcium carbonate or calcium oxide in a glass furnace comprising: a. adding to the glass batch a binder selected from the group consisting of water and an aqueous caustic soda solution, in a
A process for the continuous manufacture of glass from glass batch comprising silicon dioxIde, soda ash and a calcium carbonate or calcium oxide in a glass furnace comprising: a. adding to the glass batch a binder selected from the group consisting of water and an aqueous caustic soda solution, in amounts up to 10% by weight of the batch, b. aging the glass batch and binder for a period of at least 10 minutes, c. compacting the glass batch and binder by compressing same in a prebriquetting stage, d. dividing the compacted glass batch and binder into particulate form, e. briquetting the particulates of glass batch and binder by compressing same into discrete briquetted shapes, f. heating the briquetted shapes to temperatures of from about 750°C to about 900°C for a time sufficient to convert said silicon dioxide through a fluid state to a solid state to obtain substantial conversion of said silicon dioxide in the glass batch to silicates, g. introducing the heat-treated briquetted shapes of step (f) into a glass furnace at a temperature not above 2,600°F (1,430°C) whereby volatilization of sodium values from the furnace is reduced, and h. recovering refined molten glass from the furnace. Process of producing partially reacted, strong, shock-resistant briquetted shapes, suitable as a glass batch feed to a glass furnace comprising: a. adding to a glass batch comprising silicon dioxide, soda ash and a calcium carbonate or calcium oxide a binder selected from the group consisting of water and an aqueous caustic soda solution, in amounts up to 10% by weight of the batch, b. aging the glass batch and binder for a period of at least 10 minutes, c. compacting the glass batch and binder by compressing same in a prebriquetting stage, d. dividing the compacted glass batch and binder into particulate form, e. briquetting the particulates of glass batch and binder by compressing same into discrete briquetted shapes, f. heating the briquetted shapes to temperatures of from about 750°C to about 900°C for a time sufficient to convert said silicon dioxide through a fluid state to a solid state to obtain substantial conversion of said silicon dioxide in the glass batch to silicates, and g. recovering partially reacted, strong, shock-resistant briquetted shapes. A partially reacted, strong, shock-resistant briquetted shape, suitable as a glass batch feed to a glass furnace produced by: a. adding to a glass batch comprising silicon dioxide, soda ash and a calcium carbonate or calcium oxide a binder selected from the group consisting of water and an aqueous caustic soda solution, in amounts up to 10% by weight of the batch, b. aging the glass batch and binder for a period of at least 10 minutes, c. compacting the glass batch and binder by compressing same in a prebriquetting stage, d. dividing the compacted glass batch and binder into particulate form, e. briquetting the particulates of glass batch and binder by compressing same into a discrete briquetted shape, f. heating the briquetted shape to temperatures of from about 750°C to about 900°C for a time sufficient to convert said silicon dioxide through a fluid state to a solid state to obtain substantial conversion of said silicon dioxide in the glass batch to silicates, and g. recovering a partially reacted, strong, shock-resistant briquetted shape.
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이 특허에 인용된 특허 (2)
Pierce Richard H. (Broomall PA), Compacted alkali metal silicate.
Seng Stephen (Frazeysburg OH) Henry Richard K. (Newark OH) Propster Mark A. (Gahanna OH) Hohman Charles M. (Granville OH), Pollution abating, energy conserving glass manufacturing apparatus.
Seng Stephen (Frazeysburg OH) Henry Richard K. (Newark OH) Propster Mark A. (Gahanna OH) Hohman Charles M. (Granville OH), Pollution abating, energy conserving glass manufacturing process.
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