SU1431821A1 - Mixer - Google Patents

Abstract

The invention relates to devices for mixing liquid, solid and gaseous media and can be used in chemical, oil refining, pulp and paper processing. The purpose of the invention is to increase productivity and reduce its energy intensity. Inside the smaller spiral roton (P), a perforated cone (K) with blades fixed on it is installed. The spiral rotor is made in the form of curved along the win- ture line of the ribbons and at least one bearing ring connecting the ribbons to each other .. Liquid and solid phases enter the loading unit, where they are pre-mixed with another phase coming from the nozzles. The resulting mixture flows on K, into the cavity, through the channel by means of an injection unit, the main gaseous medium is fed under pressure, which enters the flow of the pre-mix through perforation K along its entire length, where intermixing occurs. Under the action of centrifugal force, the mixture is ejected: through the cutout into the discharge unit. 1 hp ff, 5 ill. (ABOUT

Description

one

The invention relates to devices for mixing liquid, solid and gaseous media, and can be used in various industries,

The purpose of the invention is to increase productivity and reduce energy consumption.

FIG. 1 shows a mixer, general view; Fig. 2 shows a section A-A on, j of Fig. 3; a perforated hollow cone with pastes; in fig. 4 is a rotor, transverse f is cut; figure 5 - spiral rotor,; The mixer consists of a cylindrical body 1, at least an I spiral spiral rotor 2, installed inside the body and made in the form of a bend along a helical j line of ribbons 3, and at least one I bearing ring 4, a knot 5 boot, installed at one end I of housing 1 and made in the form of zag; tiller nozzle 6 and nozzles 7, node I 8 unloading installed on the side

the surface of the housing 1 and connected to the latter by means of a cutout 9. Inside the smaller spiral rotor 2 there is an apertured cone 10 with a cavity 11 connected to the blower 2

By a flax installation 12, located at the other end of the housing 1 through the channel 13, the perforated cone 10 is provided with blades 14 and is rotatably mounted with the aid of the actuator 15.

The substitute works as follows.

The liquid and solid phases enter the loading nozzle 6 of the loading unit 5, where they are pre-mixed due to the ejection effect with another liquid or gaseous phase coming from the nozzles 7. The resulting pre-mix flows onto the cone 10.3 cavity 11 of which through the channel 13 using an injection, . Installation 12 is supplied under pressure main gaseous medium, which enters the flow of the preliminary mixture through perforation of the cone along its entire length. During flow around a cone due to an increase in its cross-sectional area along the axis of the mixer, part of the flow is displaced into spiral rotors, where under the action of shear and shock loads it is intensively mixed, and moving in the axial direction with high growth band-shaped spirals that capture the mixture well.

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under the action of centrifugal force, bushing 9 is discharged into discharge unit 8 (fig. 1). The remaining flow continues to move inside the spirals, simultaneously being displaced onto the spiral rotors from the inside to the outside the next part of the flow, and so on. the installation of the cone 10 inside the spiral rotors solid-gas mixture enters the spiral rotors evenly along their entire length in small volumes, and as a result of the installation of the discharge unit on the lateral surface of the body each volume passed the rotors in a small area Referring length and stirring it immediately leaves the mixer.

Due to the fact that each spiral rotor consists of several tapes, the frequency of shock loads on the volume of the mixed phases is high (they are proportional to the number of tapes with one rotor and the product of the number of tapes 3 of one rotor by the second with two rotors). A: Consequently, the intensity of mixing is proportional to the frequency of shock loads. In addition, due to

. Ribbon-shaped spiral (the presence of edges and tape) in the gap between the rotors in the stream occur high-m. . pulsating pressure pulsations, resulting in improved mixing efficiency. As a result, the mixed volumes of the phases in a short time pass from the inside of the spirals into the discharge unit, and they have time to mix well. In addition, due to the fact that each spiral rotor consists of several belts, the flow, coming off from one belt, is immediately picked up by the next one, without losing the speed of movement. As a result of this, the energy losses due to stray vortices are insignificant,

To more accurately adjust the uniformity of flow to the spiral rotors of the flow of the mixed phases, the cone 10 has the ability to rotate and is equipped with blades 14. The rotation of the flow of the mixed phases on the spiral is controlled by adjusting the speed of rotation of the cone using the drive 15, and mixing on spiral rotors, contributing to the lowest energy intensity and highest productivity.

Claims (1)

Invention Formula 1, a mixer comprising a housing, at least one spiral rotor mounted inside the housing, and components loading and unloading assemblies, characterized in that, in order to increase the performance placed inside the rotor, the spiral rotor is also designed as a helix-curved tape and bearing ring connecting the tape between them. 2, The mixer according to claim 1, wherein it perforates and reduces energy consumption, it provides a hollow cone equipped with blades and wives with a perforated hollow cone, is installed rotatably. placed inside the rotor, and the spiral rotor is also designed as a helix-bent ribbons and a carrier ring connecting the ribbons to each other. II  / // / // ig fie. / ; /five / J / FIG. ft fJomoKf a offset fj Jf a30ofpOSffM foza