WO2004110606A1

WO2004110606A1 - Dispergator

Info

Publication number: WO2004110606A1
Application number: PCT/RU2004/000053
Authority: WO
Inventors: Anatoliy Fyodorovich Motorin; Viktor Viktorovich Sidorov; Igor Anatolievich Zhirnokleev; Olga Dmitrievna Izgilova
Original assignee: Anatoliy Fyodorovich Motorin; Viktor Viktorovich Sidorov; Igor Anatolievich Zhirnokleev; Olga Dmitrievna Izgilova
Priority date: 2003-06-19
Filing date: 2004-02-19
Publication date: 2004-12-23
Also published as: RU2003118201A; RU2264850C2; BRPI0401614A

Abstract

The invention relates to dispersing mixing equipment and can be used for producing food products, fuel mixtures, the mining, petroleum, chemical, paint-and-varnish, building and other industries. The inventive dispergator consists of a body and a rotor and slotted stator which are arranged therein and whose walls are curve-surfaced. The rotor slots gradually taper down up in the direction of the stator and the stator slots gradually expand in the direction of the body, the walls of each stator slot being embodied in the form of a concave surface in order to achieve a technical result, i.e. to increase the performance and power of hydrodynamic action quanta and a hydrodynamic quantisation of moments of impulse. Each rotor slot is provided with one concave-surfaced wall and one convex-surfaced wall.

Description

Dispersant

FIELD OF TECHNOLOGY

The invention relates to dispersion-mixing-pumping equipment and can be used in the manufacture of food products, fuel mixtures, mining, petroleum, chemical, paint and varnish, construction and other industries.

BACKGROUND

Known rotary apparatus hydropercussion action (dispersant), comprising a housing, inside of which a rotor and a stator are concentrically mounted with slots in the side walls. The rotor slots are made in the form of up to sound nozzles, tapering towards the stator. The stator slots are made expanding towards the body and have concave surfaces (USSR, a.s. ÷ Na 1586759, MKI 5 V 01 F 7/00, publ.

BI JCH 31, 1991).

This dispersant does not provide industrial performance.

The closest technical solution to the claimed is a disperser containing a housing, inside of which a rotor and a stator are concentrically mounted with slots in the side walls. The slots of the rotor and stator are made in the form of curved sinus-spiral surfaces (Russia, certificate.

JYo 22621, IPC 7 V 01 F 7/00, publ. BMP JS-11, 2002). Such a dispersant allows for low productivity (pressure-transport characteristic) to intensify the mixing processes of various mixtures with the simultaneous destruction and dissolution of particles due to water hammer and steady turbulence, including cavitation.

However, this design of the dispersant due to the concentric location of the rotor and stator relative to the housing and incoherent geometric curvilinear and angular location of the slots relative to the stator and housing does not provide industrial (high) performance. This leads to the fact that the process of rotational movement of the hydrodynamic medium along the curved lateral sinus-spiral surfaces of the rotor and stator with the transition to a concentric channel between the housing and the stator does not simultaneously reach the accelerated synergetic increase in the angular momentum L MT ^' = kg-m ² / s) jet flow to the main stream. As a result, there is a decrease in the magnitude of the pumping effect, a decrease in the velocity of the hydrodynamic flow and a deterioration of the regime (re) and / or circulation characteristics of the dispersant, in particular, there is a physical decrease in the magnitude of the hydrodynamic action or quantum of action (L ² MT ^"1 = J-s) or hydrodynamic impact in a stream. SUMMARY OF THE INVENTION

The problem to which the invention is directed is to improve the design of the dispersant by eliminating the geometric (curvilinear: convex and concave) and angular incoherence of the working (sinus - spiral) side surfaces of the walls of the rotor, stator and, in addition, concentricity (symmetry) of the dispersant body location.

The technical result that will be achieved by using the invention is to increase productivity (hydrodynamic flow velocity) while increasing the rotational power of hydrodynamic quanta and hydrodynamic quantization of rotor momentum due to synchronization of mechanical, acoustic, hydropercussion, jet and cavitation (turbulent stable) effects on the processed stream flowing through the connected geometric curved side surfaces of the walls of the slots of the mouth A hole, a stator and channels of the dispersant body for given values of curvature and angles of entry, exit and, in addition, a curved angle between the inner surface of the housing and the outer surface of the stator.

The technical result is achieved by the fact that in the dispersant containing the housing, inside which the rotor and stator are located with slots having curved wall surfaces, the rotor slots are tapering towards the stator, and the stator slots are expanding towards the body, and each stator slit has walls with concave surface, characterized in that each slit of the rotor has one wall with a convex surface and another wall with a concave surface. Moreover, the following parameters are preferable: the radius of curvature of the convex surfaces of the walls of the slots of the rotor P _tear is equal to from 60 to PO mm, the radius of curvature of the concave of the surfaces of the walls of the rotor slots p p- _in is equal to 20 to 70 mm, the radius of curvature of convex surfaces connecting the surfaces of the walls of adjacent slots inside the rotor, p _pc is 5 to 30 mm, and the radius of curvature of the concave surfaces of the walls of the stator slots p- _c is 60 to 150 mm while all the radii of curvature lie in a section perpendicular to the axis of the stator and rotor. In addition, the angle of entry of the walls of the slots of the rotor with a convex surface ti is from 115 ° to 145 °, and the angle of entry of the walls of the slots of the rotor with a convex surface az is from 95 ° to 125 °, with each angle of entry formed by a tangent to the surface of the wall of the slot in the mating point of respectively a convex surface with a radius of curvature p _pc or a concave surface with a radius of curvature p _{pc or} with a convex surface with a radius of curvature p _pc relative to the tangent to the circle that describes the outer contour of the stator cross section at the point of intersection with the previous tangential, and the exit angle of the walls of the slots of the rotor with a convex surface α ₂ is from 90.01 ° to 120 °, and the exit angle of the walls of the cracks of the rotor with a concave surface ss is from 65 ° to 89.99 °, with each exit angle formed by a tangent to the surface of the slit wall at the point of intersection of this surface with the outer surface of the rotor relative to the tangent to the circle that describes the external contour of the stator at the point of intersection with the previous tangent, all tangents and circles lying in the section of the rotor and stator perpendicular to the axial. The angle of entry of the walls of the stator slots located on the side of the walls of the slots of the rotor with with a concave surface when combining the rotor and stator slots, α ₅ is from 90.01 ° to 120 °, and the entrance angle of the opposite walls of the stator slots α ₆ is from 60 ° to 89.99 °, and the exit angles of both of these walls the stator slots α ₇ and αg are equal from 60 ° to 120 °, while each entrance angle of the walls of the stator slots is formed tangent to the surface of the wall of the stator slit at the point of intersection with the inner surface of the stator relative to the tangent to the circle describing the outer contour of the stator at the intersection with it the previous tangent, and each corner in The exit of the walls of the stator slots is formed by a tangent to the surface of the wall of the stator slit at the point of its intersection with the outer surface of the stator relative to the tangent to the circle describing the external contour of the stator at this point, while all tangents and circles lie in the section of the rotor and stator perpendicular to the axial. In this case, the rotor and the stator are preferably mounted asymmetrically relative to the inner surface of the housing with the formation of a curved angle between the inner surface of the housing and the outer surface of the stator so that the curved angle is from 0.1 ° to 20 °.

The technical result is achieved due to the connectedness of the execution of curved convex and concave surfaces of the walls of the slots of the rotor and stator. In addition, the achievement of the technical result is facilitated by the choice of the radii of curvature of the surfaces of the walls of the slots of the rotor and stator and the angles of entry and exit of the surfaces of the walls of the slots of the rotor and stator, which ensures stable turbulent flow of a dispersible medium with a - and / or chaotic fluctuations (oscillations) of the main flow parameters (speed, temperature, pressure, density, hydrodynamic quantum of action, angular momentum, etc.). Due to adaptive and / or automated control of the rotor speed frequency with variations in the physical parameter of the action (angular momentum) and deviation (deviation) velocities of the stresses in the flow created by the rotor, the modes of flow shutdown are achieved when the medium moves through slots and a channel with a resonant self-oscillation frequency and with simultaneous synchronized synergistic action of forces of various nature: centrifugal, shock, hydro-shock, hydro-acoustic, cavitation, turbulent (vortex), fr ktsionnoy. As a result of force effects, the dispersible (processed) medium is destroyed to a colloidal and / or dispersion-dispersion mixture with micro- and / or nanosized particles. The claimed design features increase the performance of the dispersant as a whole and increase the power of action quanta (angular momenta) on the dispersible medium.

LIST OF DRAWINGS

The invention is illustrated by drawings, where in Fig.l. sectional view of the dispersant; in FIG. 2 is a cross section of the rotor slit and the stator slit. EXAMPLE OF A PREFERRED EMBODIMENT

DETAILED DESCRIPTION OF THE INVENTION

The dispersant consists of a housing 1 with an inlet pipe (not shown in Fig.) And an outlet pipe 2. Inside the housing 1, a hollow cylindrical stator 3 and rotor 4 are installed asymmetrically on its inner surface. The rotor 4 is located inside the stator 3 coaxially with it and with a gap relative to it. Slots 5 are made in the lateral cylindrical walls of the rotor 4, each slot has one concave and one convex surfaces, and the slot as a whole narrows toward the stator 3. Slots 6 are made in the lateral cylindrical walls of the stator 3, each slot has two concave surfaces and extends to the side corps. In the cavity of the rotor 4 there are blades 7 for imparting a centrifugal force to the dispersible medium. Curvilinear convex and concave surfaces of the slots have corresponding radii of curvature and angle values: P _rip - curvature of the convex (issue) curved surfaces of the walls of the slots 5 of the rotor (p); p _pvog - the curvature of the concave (vog.) curved surfaces of the walls of the slots 5 of the rotor (p); p _svog - the curvature of the concave (vog.) curved surfaces of the walls of the slots 6 of the stator (s); p _pc is the radius of curvature of convex surfaces connecting the surface of the walls of adjacent slots 5 inside the rotor; axi is the angle of entry of the walls of the slots 5 of the rotor between the tangent at the junction point of the convex surface with a radius of curvature p _pout with a convex surface with a radius of curvature p _pc and tangent to a circle describing the outer contour of the stator 3 section at the intersection of the previous tangent; αg - angle of exit of the walls of the cracks 5 the rotor between the tangent at the point of intersection of the convex surface with the radius of curvature p _pByp with the outer surface of the rotor 4 and the tangent to the circle that describes the outer contour of the stator 3, at the intersection of the previous tangent; α ₃ - entrance angle walls 5 rotor slots between the tangent at the point of coupling concave surface having a radius of curvature p _pvog with a convex surface with a curvature radius p _pc and the tangent to the circle described by the outer contour of the cross section of the stator 3, at the intersection point of the previous tangent; o ^ is the angle of exit of the walls of the slots 5 of the rotor between the tangent at the point of intersection of the concave surface with the radius of curvature p _b with the outer surface of the rotor 4 and the tangent to the circle, describing the outer contour of the stator 3, at the intersection of the previous tangent; ot ₅ - the angle of entry of the walls of the slots 6 of the stator located on the side of the walls of the slots 5 of the rotor with a concave surface when combining the slots 5, 6 of the rotor and the stator, between the tangent to the surface of the wall of the slit 6 of the stator at its intersection with the inner surface of the stator 3 and the tangent to a circle describing the outer contour of the stator 3 at the point of intersection with it of the previous tangent; axis - the angle of entry of the walls of the slots 6 of the stator located on the side of the walls of the slots 5 of the rotor with a convex surface when combining slots 5 and 6 of the rotor and the stator, between the tangent to the surface of the wall of the slit 6 of the stator at its intersection with the inner surface of the stator 3 and tangent to the circle describing the external contour of the stator 3, at the point of intersection with it of the previous tangent; оtγ, α ₈ - exit angles of both other stator slots 6 indicated between the tangent to the wall surface of the stator slit 6 at the point of intersection with the outer surface of the stator 3 relative to the tangent to the circle describing the external contour of the stator 3 at this point.

In this example, the parameters of the slots have the following meanings:

_Eup ppb = 85 mm B = 130 °

p _pc = 18 mm CC ₃ = I lO ⁰

Rsvog ⁼ 95 mm ct4 = 78 ° OC ₅ = 105 ° α ₆ = 75 ° CO ₇ = 90 ° Ot ₈ = 90 °

The rotor is equipped with blades (not shown in Fig.) To create centrifugal force to the flow movement.

The invention is as follows.

The source medium through the inlet pipe of the housing 1 enters the rotating rotor 3. The rotation of the rotor 3 by the action of centrifugal forces causes uniform

(rotoidal = rotor mass + liquid mass) the connected motion of the medium along a curved conical surface and the distribution of the surface moving along the “machining” surface while the centrifugal direction of the moving flow in the cavity and on the blades 7 of the rotor 4 is uniformly accelerated. Due to the non-braking medium flow around the blades 7, an additional soft (spiral) acceleration of the motion of particles of the medium, accompanied by impact-friction destruction of particles, including those moving along the blades 7 under the action of centrifugal forces and Coriolis forces. Further, the movement occurs through the smooth direction of the flow to curved convex (with entry angles αi and αз and radius of curvature P _pБЬШ and p _pc ) and concave (with entry angle αз and radius of curvature Р _рвол ) surfaces of the walls of the slots 5 of the rotor. As a result of a sliding directional movement of the medium along curved convex and concave surfaces, forming a gap 5 narrowing between the walls. rotor, there is a sharp and at the same time smooth increase in the moving velocity of the medium along the curved surfaces of the walls of the slits with a synchronous pressure drop in the medium until the maximum centrifugal values of the forces, mechanical forces and the velocities of the medium and particles at the exit are reached (exit angles os and (X ₄ O around the perimeter of the rotor 4. At the moment of overlapping of the slots 5 of the rotor along its perimeter with the concentrically located inner surface of the stator 3, a sharp increase in pressure occurs - a direct hydraulic shock. Over the next period of time, the medium, moved with a sharply slowed-down acceleration, experiences the action of the centrifugal forces of the rotor 4 and the moment of impulse (action) of the mass attached forces of the centrifugal inertia of the dispersible one. reactive, volumetric compressive stresses, which determines the process of dispersion of the medium between curved convex and concave surfaces of the walls of the cracks 5 of the rotor. This is followed by mechanical impact of particles with a curved concave lateral surface of the wall of the slit 5 of the rotor and in the gap between the rotor 4 and the stator 3. In the case of direct impact shock treatment of the dispersion medium near the walls of the rotor 4 covered by the stator 3, stable cavitation / turbulence / vortex formation occurs. Further, with the frequency of overlapping of the slots 5 of the rotor by the stator 3 in a moving medium, local stable turbulences arise in the form of cavitation-acoustic (ultrasonic) accelerated flows with an adjustable frequency of overlapping of the slots 5 and 6 of the rotor and stator using a frequency converter (not shown in Fig.). At the moment of combining the rotor slots 5 and the stator slots 6 (at the angles otg, u, α ₅ and α ₆ ), the pressure increased from the overlap of the slots is sharply released in the stator slit 6 by accelerating the hydromass to open. The stator slots 6 are formed by the curved concave surfaces of the walls of the stator slots 6 with a curvature p _cb and input angles αs and output Oc ₇ and with a curvature p _cb and input angles ot _b and output α ₈ . Between the curved concave surfaces of the walls of the stator slots 6, a secondary hydraulic shock is formed (hydrodynamic cavitation-resistant turbulence) or a powerful force-energy quantum of action. The hydrodynamic actions of quanta turn into the jet moment of pulses directed to the outer surface of the stator 3 through curved concave surfaces (with curvature p _b ) of the walls of the stator 3 at expanding angles Ot ₅ = α. ₆ , α ₇ = αg to the inner surface of the housing 1, which has a curvilinear orientation relative to the outer surface of the stator 3 at an angle α as a result of the asymmetric arrangement of the rotor 4 and the stator 3 relative to the housing 1. Between the inner surface of the housing 1 and the outer surface of the stator 3 when the medium moves from the action of the moment of pulses, a flow is created in which a powerful pressure drop occurs as the curvilinear angle unfolds (grows) to the outlet pipe 2. Moreover, the hydrodynamic movement of the medium between the inner surface of the housing 1 and the outer surface of the stat Ora 3 (at a curved angle α) to the outlet pipe 2 is accompanied by a stator 3 along the perimeter of the stator 3 with a powerful slotted and at the same time uniformly distributed extinction (quenching) nonholonomic, cross, tolerable saturation of turbulent hydro-power flow constantly flowing at high speed by flooded cavitational steady-state jet hydro-jet pulses along the inner and outer surfaces, respectively, of the stator and housing. Between the curved concave surfaces of the walls of the slots 6 of the stator with an asymmetric arrangement of the inner surface of the housing 1 and a given curved angle of 0.1 ° - 20 °, an additional pressure drop (gradient) is created with stably turbulent (wave) movement of the medium to the outlet. Due to the additional pressure drop and the connectivity of the flows along the curved concave and convex side surfaces of the walls of the slots 5 and 6 of the rotor and stator, additional sequential and local operating modes are created conditions for the accelerated flow of the hydro-mass flow and increase in the rate of re - and / or circulation of the flow in the dispersion unit as a whole. An increase in the speed of the connected flow of the medium leads to an increase in productivity (flow, pressure, feed and other parameters characterizing the work and the pump-dispersion effect of the dispersant) while synchronizing the processes of smooth sliding and simultaneous extinction braking of the dispersed masses transferred by the flow during the transition of the jet flow from the rotor slots in the gap of the stator and then into the hydrodynamic flow moving between the inner surface of the housing and the outer surface of the stator.

At the indicated sequence and modes of the dispersion process, the medium being processed is crushed, which then passes through the outlet pipe under pressure for further use or, for industrial and technological purposes, to another redistribution (operation) or to the consumer.

INDUSTRIAL APPLICABILITY The claimed dispersant, in comparison with the closest analogue, has 3 to 5 times higher productivity due to increased dispersion rates and the creation of a powerful sliding extinction (damping) of hydro quantized energy deviating (deflecting) stresses in the processed medium, the magnitude of which varies (in magnitude and direction) and increases from changes in the sequence and / or dispersion modes during regulation (automated and / or adaptive) the rotational speed of the rotor (rotunda) of centrifugal hydrodynamic shock, shock-mechanical actions and hydrodynamic momenta of pulses (hydrodynamic action quanta) is proportional to the increase in the degree of cavitation and / or stable turbulence from a connected (sliding) high-speed flow of a moving medium along smoothly streamlined curved external and internal surfaces of the walls slots of the stator, rotor and housing. The materials processed in such a dispersant are colloidal (dispersion <5 μm) and / or dispersed (finely divided <50 μm) particles in the activated and / or initiated state. In addition, such a dispersant can be used for dry (activation) and wet (initiated) destruction (grinding) of abrasive and / or active media at high (sterilization) and / or low (passivation) modes of operation.

Claims

Claim

1. Dispersant containing a housing, inside of which the rotor and stator are located with slots having curved wall surfaces, the rotor slots are tapering towards the stator, and the stator slots are expanding towards the body, each stator slit having walls with a concave surface, characterized in that each slit of the rotor has one wall with a convex surface and another wall with a concave surface.

2. The dispersant according to claim 1, characterized in that the radius of curvature of the convex surfaces of the walls of the slots of the rotor p _pout is from 60 to PO mm, the radius of curvature of the concave surfaces of the walls of the cracks of the rotor p _pout is from 20 to 70 mm, the radius of curvature of the convex surfaces connecting wall surfaces adjacent slits inside the rotor, p _pc is from 5 to 30 mm, and the radius of curvature of the concave wall surfaces of stator slots p _cvog is from 60 to 150 mm, the radii of curvature all lying in the cross section perpendicular to the axis of the stator and rotor.

3. The dispersant according to claim 1 or claim 2, characterized in that the angle of entry of the walls of the slots of the rotor with a convex surface ti is from 115 ° to 145 °, and the angle of entry of the walls of the cracks of the rotor with a convex surface α ₃ is from 95 ° to 125 °, and each angle of the entrance is formed tangent to the surface of the rotor slot wall at the point of interface, respectively a convex surface with a radius of curvature p _pvsh or concave surface with a radius of curvature p _pvog with a convex surface with a radius of curvature p _pc relative to the tangent to the circumference describing the outer cross section contour st the atom at the point of intersection with it the previous tangent, and the angle of exit of the walls of the slots of the rotor with a convex surface osg is from 90.01 ° to 120 °, and the angle of exit of the walls of the cracks of the rotor with a concave surface α ₄ is from 65 ° to 89.99 °, with each exit angle formed tangent to the surface of the wall of the slit of the rotor at the point of intersection of this surface with the outer surface of the rotor relative to the tangent to the circle describing the external contour of the stator at the point of intersection with the previous tangent, while all tangents and circles lie in the section of the rotor and stator, perpendi ulyarnom axial.

4. Dispersant according to claim 3, characterized in that the angle of entry of the walls of the stator slots located on the side of the walls of the rotor slots with a concave surface when combining the rotor and stator slots, α ₅ is from 90.01 ° to 120 °, and the entrance angle is opposite the walls of the stator slots ot _b is equal to from 60 ° to 89.99 °, and the exit angles of both of these indicated walls of the stator slots α ₇ and α ₈ are equal to 60 ° to 120 °, with each entrance angle of the walls of the stator slots being formed by a tangent to the surface of the wall of the stator slit at the point of intersection with the inner surface of the stator relative to the is tangent to a circle describing the external contour of the stator at the point of intersection with the previous tangent, and each exit angle of the walls of the stator slots is formed tangent to the surface of the wall of the stator slit at the point of intersection with the tangent to the circle describing the external contour of the stator in this point, while all tangents and circles lie in the cross section of the rotor and stator perpendicular to the axial.

5. Dispersant according to any one of claims 1 to 4, characterized in that the rotor and stator are mounted asymmetrically relative to the inner surface of the housing with the formation of a curved angle between the inner surface of the housing and the outer surface of the stator.

6. The dispersant according to claim 5, characterized in that the curved angle is from 0.1 ° to 20 °.