UA25986U - Disperser - Google Patents

Abstract

A disperser contains hermetical vertically mounted cylindrical container with loading and unloading branch pipes, magnetostrictive transducer with radiating membrane, rotor, reflector and stop-distribution valves. It contains bottom with sealing rings located along the groove of the thickened cowling with threaded holes, reflector of its rounded part, unloading branch pipe with plug valve and drive with a shaft, at the end of which is horizontally installed the perforated disk between lower and upper membranes with magnetostrictive transducers, bent back downward edges of which form a space, and along the axis of upper membrane is rigidly fixed the loading branch pipe with plug valve, which penetrates the lower cover with openings for the guides, at the ends of which are rigidly fixed the slave gears, which are set in motion by driven gear with bushing equipped with steering control in its upper part.

Description

Description of the invention

The useful model refers to the field of construction, electrical engineering, chemical, food, paint and 2 other techniques, in particular, to installations for dispersing, activating and mixing dispersed mixtures.

The well-known device for activating cement suspension according to auto. witness USSR Mo1175720, M. Cl. B28С5/46 in B.V.

Mo32 from 1985, which is equipped with magnetostrictive transducers fixed in the bottom with an ultrasound emitting plate 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 70 low-speed one is in the form of a hollow drum with annular grooves for the entry of high-speed shaft discs.

The disadvantages of this device are: - insufficient degree of dispersion of solid particles and their displacement; - lack of conditions for the formation of cavitation phenomena; 12 - lack of conditions for using a hydrodynamic emitter and cavitation phenomena accompanying it in the presence of turbulent movement of the suspension.

A known installation for the activation of cement suspension containing a hermetic capacity on shock absorbers, equipped with shaped sections connected to each other and forming a hermetic volume connected to a vacuum pump, with magnetostrictive transducers with membranes and piezoceramics installed in it alternately horizontally in the center emitters with Teflon tubes located under them parallel to the inclined walls of the shaped sections (authorized certificate of the USSR Mo1065214, M. Cl. B828С5/46, published in B.V. Mo1 in 1984). The disadvantages of this installation are: - insufficient degree of dispersion and mixing of mixtures; - labor-intensive installation in the manufacture of containers (shaped sections); - low productivity (due to the long length of suspension movement); c - significant consumption of electricity.

Also known is the disperser-mixer according to auto. witness USSR Mo1544586, M. Cl. B828С5/46, publ. in B.V. Mo7 in 1990, which is equipped with hydrodynamic emitters and magnetostrictive converters, a glass connected by means of an elastic hose with nozzles for supplying the suspension and installed along the axis of a container having an oval cross-section, along the major axis of which on the side surface of the glass, a positive o magnetostrictive transducers are symmetrically fixed, and hydrodynamic emitters are mounted along the minor axis forming the cup. Me.

The disadvantages of this installation are: oyu - significant consumption of electricity;

Zo - complexity of structural elements; c - low efficiency of hydrodynamic emitters. Also known is "Installation for cement activation" according to author. witness USSR Mob 43346, Cl. B28S5/46, publ. in B.V. Mo3Z for 197O9, which holds a frame with shock absorbers and a container installed on it, under which vibrators are placed, which is equipped with pneumatic pumping and vacuum-forming systems with shut-off and distribution valves, the container is made in the form of hermetic C sections, interconnected by pipelines are equipped with hydrodynamic emitters with pneumoinflating and vacuum-forming systems, and vibrators are placed on the frame in mutually perpendicular planes.

Disadvantages of the installation are: - insufficient degree of suspension activation and mixing of solid particle dispersion products with liquid; - imperfection of the installation design. o Ukrainian patent Mo14204 "Disperser", publ., was accepted as a prototype. in B.V. Мо2 in 1997, which is equipped with a concave ring reflector, and the shaft is a rotor made in the shape of a spherical sector and placed with a gap relative to the bell-shaped membrane placed through a sealing gasket - on the loading nozzle, and the concave ring reflector is fixed to the side surface o 20 capacity opposite the gap between the membrane and the rotor.

The disadvantage of the prototype is the insufficient quality of dispersion of the solid phase and the degree of mixing of the products of the destruction of the solid phase with the liquid.

In common with the prototype, the disperser has a hermetic container with loading and unloading nozzles, a magnetostrictive converter with a radiating membrane, a rotor and a reflector. c The task of the invention is to improve the quality of dispersion of the solid phase of the suspension and the products of the destruction of solid particles with liquid.

The task is achieved by the fact that the disperser holds the bottom with sealing rings placed in the groove of the thickened sleeve with threaded holes, a reflector of its rounded part, a discharge nozzle 60 with a cork valve and a drive with a shaft, at the end of which a perforated disk is horizontally installed between the lower membrane and a magnetostrictive converter and an upper membrane with a similar magnetostrictive transducer, the edges of which are bent down to form a gap, and along the axis of the upper membrane a loading nozzle with a cork valve is rigidly fixed, which passes through the lower cover with holes for guides, at the lower ends of which well-known gears are rigidly fixed, which are driven into the movement is driven by a driving gear with a hub equipped with a steering wheel in its upper part.

The upper cover is rigidly and hermetically connected with the lower cover together with the custom.

The design solution of the dispersant provides a number of its advantages in comparison with known analogues and the prototype, which indicates the presence of significant differences from them.

Partially a new combination of features and the introduction of new features take place in the constructive solutions of the invention: 1. Bottom with sealing rings placed in the groove of a thickened sleeve with threaded holes; 2. Drive with a shaft, at the end of which a perforated disk is horizontally installed between the lower and upper membranes; 3. Lower membrane with a magnetostrictive converter; 70 4. Along the axis of the upper membrane, a pipe with a cork valve is rigidly fixed, which passes through the lower cover with holes for guides; 5. Fixed at the ends of the guides are known gears, which are set in motion by a driving gear with a sleeve equipped with a steering wheel; 6. The upper cover is rigidly and hermetically connected with the lower cover together with the cover.

New interpositions of features and new types of connections and interactions between features take place when using the constructive solutions outlined in clauses 1, 2, 3, 4, 516.

Increasing the quality of dispersing the solid phase of the suspension and mixing the products of their destruction with the liquid is ensured by constructive solutions: 1. Regulation of the gap between the bent edges of the upper and lower membranes, which ensures its 2o optimal operation as a hydrodynamic emitter, which, in turn, strengthens the ultrasonic field and cavitation phenomena in front of the mirror; 2. Introduction of the installation of the lower membrane with an additional magnetostrictive converter, which emits an ultrasonic field opposite to the upper membrane, which contributes to the strengthening of the cavitation effect on the suspension in the zone between these membranes;

C. The introduction of a perforated disc into the design of the installation, which rotates in the gap between the upper and lower membranes, which contributes to the strengthening of turbulent motion in this zone, which is one of the components of the emergence of powerful cavitation zones.

Fig. the scheme of the disperser, transverse, dissection is shown.

The disperser holds the bottom 1 with sealing rings 2 placed in the groove of the thickened sleeve Z with Hez thread 4, a reflector 5 of a rounded part, an outlet pipe 6 with a cork valve 7 and a drive 8 with a shaft 9, at the end of which a perforated disc 10 is horizontally installed between the lower membrane 11 with coils 12 of the magnetostrictive transducer of ultrasonic waves 12 and the upper membrane 13 with a similar Ge! magnetostrictive transducer 14. Between the bent ends of the membranes 11 and 13 there is a gap 15 that performs the functions of a hydrodynamic transducer. Along the axis of the upper membrane 13, a pipe 16 is rigidly fixed to the cork valve 17, which passes through the lower cover 18 with holes for guides 19, at the ends of which are rigidly fixed known gears 20, which are set in motion by a driving gear 21 with a sleeve 22, equipped steering wheel 23 in its upper part.

The upper cover 24 is rigidly and hermetically connected, together with the lower cover 18, to the sleeve 25.

The dispersant works like this. "

When the cork valve 7 of the outlet nozzle 6 is closed, the cork valve 17 is open and the actuators) with 8 are turned on, the ultrasonic wave generators (not shown) of the coils 12 and 14 of the magnetostrictive transducers are supplied through the inlet nozzle 16 to the suspension to be dispersed, which at the end of the nozzle on the horizontal;" the perforated disk 10 is exposed to the turbulent motion and ultrasonic fields of the membranes 11 and 13, and at the exit, after passing through the gap 15, which acts as a hydrodynamic emitter, to an additional ultrasonic field

And turbulent motion, which is enhanced by a circular reflector and cavitation zones. Dispersion of solids

The GI of particles in the suspension takes place along the entire path of its passage due to the action of cavitation, ultrasonic fields, collisions of solid particles and friction between themselves and against the surface of the installation nodes. o As the container fills, the factors of destruction of solid particles continue at the expense of turbulence

Ge) movement in suspension and emission of ultrasonic vibrations by the outer surfaces of the membranes 11 and 13, the housings of the magnetostrictive converters 12 and 14 and the hydrodynamic emitter 15, which acts around the membranes 11 and

So 13.

Ф After filling the container with the suspension, partially or completely open the cork valve 7 and remove the dispersed suspension through the outlet pipe 6. After that, cork taps 7 and 17 act as regulators for the removal of finished products and supply of the suspension to be dispersed, and the process continues in continuous mode.

At the end of the operation, the installation is washed in the same way, generators (not shown) with ultrasonic waves and drive 8 are turned off.

When the work is resumed, the processes are repeated.

Claims (2)

60 Formula of the invention 1. The disperser, which contains a sealed vertically installed cylindrical container with loading and unloading nozzles, a magnetostrictive converter with a radiating membrane, a rotor, a 65 reflector and a shut-off valve, which is distinguished by the fact that it holds the bottom with sealing rings placed in the groove of the thickened sleeve with threaded holes, a reflector of its rounded part, a discharge nozzle with a cork valve and a drive with a shaft, at the end of which there is a horizontally installed perforated disk between the lower and upper membranes with magnetostrictive transducers, the edges of which are bent downwards to form a gap, and a loading valve is rigidly fixed along the axis of the upper membrane a spigot with a cork tap, which passes through a lower cover with holes for guides, at the ends of which driven gears are rigidly fixed, which are set in motion by a driven gear with a bushing provided with a handwheel in its upper part. 2. The dispersant according to claim 1, which is characterized by the fact that the upper cover is rigidly and hermetically connected, together with the lower cover, to the sleeve. that 2 (Se) (ee) (o) IF) p - and? ime) 1 se) (ee) 4) 60 b5