UA146590U - MIXER-ACTIVATOR OF DISPERSED MIXTURES - Google Patents

Abstract

The mixer-activator of dispersed mixtures contains a hermetically sealed cylindrical container with shut-off valves mounted vertically on the shock absorbers, in which concentrators, membranes and a magnetostrictive transducer are rigidly and centrally placed on a horizontally mounted membrane. The mixer-activator holds a vertical cylindrical container with a lid provided with a central inlet pipe with a cork valve, and a bottom mounted on shock absorbers, with a central outlet pipe provided with a cork valve, inside which on a horizontally mounted diaphragm, and between sides centrally and rigidly mounted cylindrical hub equipped with a conical funnel. The convector of the convex suspension suspended by holes is rigidly fixed to the funnel, to the end part of which cylindrical concentrators with a common bottom, perforated holes, which are rigidly and centrally mounted on a conical concentrator rigidly and centrally fixed on the upper side of the membrane. The space between the cylindrical concentrators is filled with balls (diameter and material of which is determined depending on the physico-mechanical and structural properties), and on the underside of the membrane centrally and rigidly fixed: magnetostrictive transducer, covered by concentrators provided with holes above the vertical axis balls. The membrane is provided with holes between the inner wall of the tank and the outer wall of the cylindrical concentrator, holes between the hemispherical concentrators, holes between the hemispherical concentrator and the magnetostrictive transducer.

Description

The useful model belongs to installations for the activation of dispersed mixtures, intensification of the processes of dispersing solid particles and mixing them with liquid, which are used in construction, electrical engineering, food, etc. industry, and can also be used for intensification of chemical processes, crystallization in liquid, biological treatment of liquids.

A well-known installation for cement activation, which contains a frame with vibrators installed on the base with the help of shock absorbers, a hermetic container with a pipeline and a hydrodynamic radiator located in it, nozzles for the introduction and removal of cement suspension and the supply of excessive pressure (a. s Mo 643346, Cl. B28С 5/46, underground, in B.V. Mo 3, 1973).

The disadvantages of this installation are: the need for excessive pressure to ensure the operation of hydrodynamic emitters; significant water consumption; significant dimensions in height.

A known installation for the activation of cement suspension, which contains a hermetic capacity on shock absorbers, equipped with shaped sections that are connected to each other and make up a hermetic volume, connected to a vacuum pump, with magnetostrictive transducers with membranes and p' isoceramic emitters with Teflon tubes located under it parallel to the inclined walls of the shaped sections (a. s. Mo 1065214, Cl. B28C 5/46, publ. in B.V. Mo 1, 1984).

The disadvantages of this installation are: insufficient degree of dispersion of the suspension and mixing of the dispersed suspension; low productivity due to the long length of suspension movement paths; laboriousness in the production of shaped sections; significant consumption of water and electricity.

A device for activating cement suspension is also known, which is equipped with magnetostrictive transducers fixed in the bottom with a membrane emitting ultrasound installed parallel to the shafts, and the shafts are made of different speeds, of which the high-speed shaft is made with discs fixed on it, alternating with washers, and the low-speed shaft is in the form of of a hollow drum with annular grooves for the entry of high-speed shaft discs (a. s Mo 1175720, Cl. B28S 5/14, publ. in B.V. Mo 32, 1985).

The disadvantages of this device are: insufficient degree of dispersion of solid particles and their mixing; lack of conditions for the formation of cavitation phenomena; lack of conditions for the use of hydrodynamic radiation and cavitation phenomena accompanying it in the presence of turbulent motion in the suspension.

There is also a known installation for the activation of cement suspension, which is equipped with emitters in each section, which are made in the form of a vertically installed capacity along the axis, open at the ends of a tube made of semi-cylindrical membranes with magnetostrictive converters and wave concentrators attached to their outer walls, which coaxially enters the tube from below. to the end of which a magnetostrictive transducer with acoustic partitions, shaped and ring inserts made of elastic material is attached (a. s. Mo 196276, Cl. B28S 5/14, publ. in B.V. Mo 45, 1986).

Disadvantages of the installation are: rapid wear of sealing shaped gaskets working in the cavitation zone; low productivity due to frequent current repairs; significant costs of electricity for powering six magnetostrictive converters; significant overall dimensions in height.

As the closest analogue, the accepted "Activator of dispersed mixtures" according to the patent of Ukraine Mo 33152, Cl. B28C 5/46, publ. in Bul. Mo 11, 2008, which holds a vertically installed cylindrical container, which is provided with a bottom with a central outlet pipe, equipped with a cork valve placed on shock absorbers, and a cover with a central inlet pipe, equipped with a cork valve, under which between shock-absorbing and sealing ring gaskets horizontally a membrane with holes around the perimeter of a rigidly and centrally fixed on it from the upper side of the magnetostrictive transducer, which coincide with the gap between the rigidly and centrally fixed larger bases on the lower side of the membrane - a conical hollow concentrator with its central and side holes, the smaller base of which is the central a hole with a gap to its outer surface, and coincides with the lower side of the bottom of the central glass, and rigidly fixed with the open part to the lower surface of the membrane, and in which the concentrators are placed, while an additional conical cone is rigidly fixed to the bottom of the central glass A concentrator with central and side holes, which is placed in a spherical concentrator with a central hole. Disadvantages of the closest analogue are: insufficient degree of activation of components of dispersed mixtures; complexity of installation and repair of concentrators and membranes.

The task of the mixer-activator of dispersed mixtures is to improve the quality of the mixture and improve the design of the installation.

The task is solved by the fact that the mixer-activator of dispersed mixtures holds a vertical cylindrical container with a lid equipped with a central inlet pipe with a cork valve, and a bottom mounted on shock absorbers with a central outlet pipe equipped with a cork valve, inside of which on a horizontally installed membrane, between sealing and shock-absorbing circular gaskets, on its upper side a cylindrical concentrator is centrally and rigidly installed, equipped with a conical funnel, to which a convex-shaped suspension distributor perforated with holes is rigidly fixed, to the end part of which cylindrical concentrators with a common bottom, perforated with holes, are fixed in a similar way, which is rigid and centrally installed on a conical concentrator rigidly and centrally fixed on the upper side of the membrane, and the space between the cylindrical concentrators is filled with balls (the diameter and material of which are made depending on the physical and mechanical x and structural properties).

On the lower side, the membrane is centrally and rigidly fixed: a magnetostrictive converter, covered by concentrators equipped with holes within the vertical axis, above which balls are placed.

The membrane is equipped with holes between the inner wall of the container and the outer wall of the cylindrical concentrator, holes between the hemispherical concentrators, holes between the hemispherical concentrator and the magnetostrictive converter.

Compatible features for the mixer-activator of dispersed mixtures and the prototype are a vertically mounted on shock absorbers, a hermetic container of cylindrical shape with shut-off and distribution fittings, in which concentrators, membranes and a magnetostrictive transducer of ultrasonic vibrations are centrally and rigidly fixed on a horizontally installed membrane.

The design solutions of the mixer-activator of dispersed mixtures are significantly different compared to the closest analogue, the main of these differences are: 1. Partially new combinations of features, which indicates the presence of significant differences: the horizontal membrane is placed between the bottom and the cylindrical body; the magnetostrictive transducer is rigidly and centrally fixed on the lower side of the horizontal membrane; cylindrical concentrators are equipped with a bottom with holes. 2. The introduction of new features, which also indicates the presence of significant differences: ring-cone funnel; convex membrane; hemispherical concentrators installed with gaps; balls in hemispherical and annular cylindrical concentrators. 3. The replacement of some features by others, which also indicates the presence of significant differences: the hollow conical concentrators of the prototype were replaced by cylindrical ones with bottoms and hemispherical concentrators with balls placed in them. 4. Taking into account paragraphs 1, 2 and C, the design solutions of the installation provide new interpositions of features and new types of connections and interactions between features, which also indicates the presence of significant differences between the closest analogue and the mixer-activator of dispersed mixtures.

The drawing shows a mixer-activator of dispersed mixtures in cross-section.

The mixer-activator of dispersed mixtures holds a vertical cylindrical container 1 with a cover 2 equipped with a central inlet pipe 4 with a cork valve 3, and a bottom 5 mounted on shock absorbers 6 with a central outlet pipe 7 equipped with a cork valve 8, inside which a horizontally installed membrane 9, between the sealing and shock-absorbing circular gaskets 10 and 11, a cylindrical concentrator 12 is centrally and rigidly installed on its upper side, equipped with a conical funnel 13, to which a convex suspension distributor 15 perforated with holes 14 is rigidly fixed, to the end of which cylindrical concentrators are similarly fixed 16, 17 and 18 with a common bottom 19, perforated with holes 20, which is rigidly and centrally mounted on a conical concentrator 21, rigidly and centrally fixed on the upper side of the membrane 9, and the space between the cylindrical concentrators 16, 17 and 18 is filled with balls 22 (diameter and the material of manufacture of which determines depending on the physico-mechanical and structural properties).

On the lower side of the membrane 9 are centrally and rigidly fixed: the magnetostrictive converter 23, covered by concentrators 24, 25 and 26, equipped with holes 27, 28 and 29 in the boundaries of the vertical axis, above which balls 30 are placed.

The membrane 9 is equipped with holes 31 between the inner wall of the container 1 and the outer wall of the cylindrical concentrator 12, holes 32 between the hemispherical concentrators 24 and 25, holes 33 between the hemispherical concentrator 26 and the magnetostrictive converter 23.

The mixer-activator of dispersed mixtures works as follows.

When the cork valve 8 is closed, the generator (not shown) of ultrasonic waves connected to the magnetostrictive converter 23 is turned on, and the cork valve C is open, a mixture of solid dispersed particles with a liquid is supplied to the distributor 15 through the inlet pipe 4, which is to be activated by dispersing these particles , increasing their specific active surface and mixing the products of the destruction of the solid phase with the liquid.

At the distributor 15, the mixture is subjected to ultrasonic irradiation and, passing through the holes 14, which act as hydrodynamic emitters, enters the zone of action of the cylindrical concentrators 16, 17 and 18. In the zone of action of the ultrasonic fields of these fixing concentrators and in the presence of turbulent motion in the suspension, cavitation phenomena occur , which are the most powerful factors of dispersion and mixing of the components of the mixture. These actions complement impacts and co-impacts of solid particles, similar types of friction and mechanical erosion. Passing through the holes, the effect of cavitation is enhanced by hydrodynamic radiation. On the surface of the membrane 9, the suspension is exposed to the ultrasonic field of the upper side of the membrane 9. Under the membrane, the ultrasonic fields of the lower side of the membrane 9, the case of the magnetostrictive converter 23 and hemispherical concentrators 24, 25 and 26 act alternately. A special role is assigned to balls 22 and 30, which in this case perform the role of a vibrating mill and additionally grind solid particles in the process of chaotic vibration. When filling the container, the action of cavitation is supported in the ultrasonic fields of the outer sides of the cylindrical concentrator 12, the conical funnel 13, the hemispherical concentrator 24 and the surfaces of the membrane 9.

After filling the container 1, partially or completely open the cork valve 8 and remove the finished product through the nozzle 7, and with the cork valve 3, the supply of the mixture into the container 1 through the inlet nozzle 4 is regulated and the process continues in continuous mode.

After the end of work, the installation is washed in a similar way and the generator (not shown) of ultrasonic waves, connected to the magnetostrictive converter 23, is turned off.

When the work is resumed, the processes are repeated.

Claims (1)

USEFUL MODEL FORMULA The mixer-activator of dispersed mixtures, containing a hermetically sealed container of a cylindrical shape with a shut-off and distribution valve installed vertically on shock absorbers, in which concentrators, membranes and a magnetostrictive converter are rigidly and centrally placed on a horizontally installed membrane, which is distinguished by the fact that it holds a vertical cylindrical container with a cover equipped with a central inlet pipe with a cork valve, and a bottom mounted on shock absorbers, with a central outlet pipe equipped with a cork valve, inside of which a cylindrical concentrator is centrally and rigidly installed on a horizontally installed membrane, between the sealing and shock-absorbing circular gaskets on its upper side, equipped with a conical funnel, to which a convex-shaped suspension distributor perforated with holes is rigidly fixed, to the end part of which cylindrical concentrators with a common bottom, perforated with holes, which are rigid and central, are similarly fixed installed on a conical concentrator rigidly and centrally fixed on the upper side of the membrane, and the space between the cylindrical concentrators is filled with balls (the diameter and material of which is determined depending on the physical, mechanical and structural properties), and on the lower side of the membrane centrally and rigidly fixed: magnetostrictive a converter covered by concentrators provided with holes in the boundaries of the vertical axis, above which the balls are placed, while the membrane is provided with holes between the inner wall of the container and the outer wall of the cylindrical concentrator, holes between the hemispherical concentrators, holes between the hemispherical concentrator and the magnetostrictive converter.