SU1204241A1 - Mixing pipeline - Google Patents

Description

This invention relates to static mixing of fluids and can be used in the chemical, food, pulp and paper and other industrial sectors.

The purpose of the invention is to increase the mixing efficiency.

Figure 1 shows schematically a mixer-pipeline with packages of mixing elements in the form of a single-cavity hyperboloid of rotation, a general view; figure 2 is the same, top view; FIG. 3 shows two conventionally disconnected adjacent mixing elements, in axonometry, in FIG. 4, a mixer-pipeline with packages of mixing elements in the form of a hyperbolic-i paraboloid, a general view, in FIG. 5, a mixing element, in axonometry.

The mixer-pipeline consists of a mixing chamber, which is a section of pipeline 1, in which packages of 2 mixing elements, made in the form of sections of surfaces approximating second-order ruled surfaces, are successively installed. Intermediate chambers 3 are located between the elements. Packages are of the same type, each of them is rotated relative to adjacent packages by 90 around the longitudinal axis of pipeline 1. Mixing elements 4 and 5 approximate a single-cavity rotation hyperboloid, and element 6 - a hyperbolic paraboloid. In a mixer of such type, the effect of multidirectionality of corrugations of adjacent elements is achieved by the arrangement, corrugations along the generators of different families. For example, the corrugations of the element 4 are made on the left-inclined pattern, the corrugations of the element 5 - on the right-inclined (Fig. 3). The folded surfaces approximating the second order ruled surfaces are easy to manufacture. They can be made in consecutive multidirectional

bends of the sheet blank along the sides and diagonal of m parallelograms with the formation of Z-shaped corrugations (FIG. 3) or the bend of a pre-corrugated sheet blank along the guide curves of the surface (FIG. 3) with the formation of S-shaped corrugations. In both cases, the corrugation axes are directed along the rectilinear forming approximating surface.

In special cases, it is possible to use more complex arbitrary approximating surfaces of various shapes. In the general case, such surfaces can be made by plastic deformation of sheet blanks, for example, by hot stamping using the triangulation method, in which it is not expandable on a plane.

the surface is divided into sections, and each section is replaced by a triangular pyramid that is developed on a plane, which constitutes a corrugation of the element. ,

Mixer pipeline operates as follows.

The flow of unmixed fluids flowing through pipeline 1 at the entrance to package 2 is divided into many small flows flowing along Canada formed by the corrugations of elements 4, 5 and 6 at an angle to one another. In this case, a partial exchange of material occurs. lams between contiguous flows, providing mixing of media. The required degree of mixing is ensured by passing the stream through several packets 2.

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Compiled by T. Kruglov Editor L. Castran Tehred O. Vashchishina Proofreader S. Shekmar

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VNIIPI USSR State Committee

for inventions and discoveries 113035, Moscow, Zh-35, Raushsk nab., 4/5

Branch GOSH Patent, Uzhgorod, Proektna St., 4

Claims (2)

1. MIXER-PIPELINE containing packages of mixing elements made with corrugations intersecting in adjacent elements, characterized in that, in order to increase the mixing efficiency due to the variability of the corrugations,> mixing elements are made in the form of surface sections approximating non-deployable on plane curved surface. 2. The mixer-pipe according to claim 1, characterized in that, in order to simplify the manufacture, the mixing elements are made in the form of sections of surfaces approximating ruled surfaces of the second order. Fi1 1 1 1204241 2