Collection chamber for making mats of inorganic fibers专利检索-发散冷却空气动力学专利检索查询-专利查询网

Collection chamber for making mats of inorganic fibers

阅读：419发布：2021-09-27

专利汇可以提供Collection chamber for making mats of inorganic fibers专利检索，专利查询，专利分析的服务。并且A collection chamber located between a source of gas entrained inorganic fibers and a collection surface upon which mats of the fibers are formed. The side walls of the chamber in various configurations enhance the mixing of cooling gas, binder and the entrained fibers while reducing turbulence and enhancing control of fiber deposition. Divergent side walls above the collection surface diffuse the binder coated fiber and reduce its velocity so that it is deposited in a blanket of uniform density and thickness across the collection surface. Convergent side walls from a region adjacent the fiber source reduce turbulence and back flow in this region while facilitating the mixing of cooling air with the hot fiber entraining, high velocity blast, and the distribution of binder in the mixed fiber-gas stream. A collection chamber having walls of the general form of a hyperbola is disclosed with given height, width of collection surface, throat dimensions and throat location relationships for superior results. Compromise collection chamber forms to accommodate plant and equipment restrictions are discussed.，下面是Collection chamber for making mats of inorganic fibers专利的具体信息内容。

权利要求

1. Apparatus for producing a mat of mineral fibers comprising: discharging means for discharging mineral fibers in a primary stream directed toward a collection surface lowered below said discharging means; said collection surface being foraminous and movable in a substantially horizontal direction. means for developing a suction to draw gas through said collection surface to draw fibers down onto said collection surface; and opposed side walls extending generally from said discharging means to said collection surface, upper portions of said walls and lower positions of said walls being connected by a throat region, said upper portions of said walls converging toward said throat region and defining an open mouth adjacent said discharging means, said lower portions of said walls diverging from said throat region as said lower portions approach said collection surface to define a discharge opening for said opposed walls adjacent said collection surface, said throat region having a width in a direction transverse of the direction of movement of said collection surface about 45 percent of the width of the collection surface in the transverse direction, and said throat region being spaced from said collection surface a distance of about 150 percent of the width of the collection surface in the transverse direction.

2. Apparatus according to claim 1 wherein said side walls extend in a direction normal to said collection surface a distance of about 330 percent of the dimension of said collection surface transverse of the direction in which said surface is movable.

3. Apparatus according to claim 1 wherein said side walls define a section normal to the direction in which said collection surface is movable which is bordered by smooth curves from said open mouth to said collection surface.

4. Apparatus according to claim 1 wherein said open mouth has a width parallel to the dimension of said collection surface transverse of the direction in which said surface is movable which is about three times the width of said surface in the transverse direction.

5. Apparatus according to claim 1 wherein said lower portions of said wide walls are generally pLanar.

6. Apparatus according to claim 1 wherein said upper and lower portions of said side walls are generally planar and said throat section forms a smooth curved transition between said upper and lower portions.

7. Apparatus according to claim 1 including a rotating element for centrifugally forming fibers from a molten mass of material; means generating a stream of gas directed downwardly to intersect said fibers whereby said fibers are entrained in the gas as said primary stream; and an open region intermediate said primary stream and said upper portions of said walls to admit ambient cooling air with said primary stream between said walls.

8. Apparatus according to claim 1 including a plurality of discharging means spaced longitudinally above said fiber collecting surface, wherein said opposed walls extend along each side longitudinally of said collecting surface, and end walls closing the space between said opposed walls at a region beyond the most distantly spaced of said discharging means.

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Collection chamber for making mats of inorganic fibers

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